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+++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/api/Attribute.js.html Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,989 @@
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+ <title>API: attribute Attribute.js (YUI Library)</title>
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+ <h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
+ <h3>attribute <span class="subtitle">3.0.0b1</span></h3>
+ <a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a>
+ > <a href="./module_attribute.html" title="attribute">attribute</a>
+
+ > Attribute.js (source view)
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+<div class="highlight" ><pre> <span class="c">/**</span>
+<span class="c"> * The attribute module provides an augmentable Attribute implementation, which </span>
+<span class="c"> * adds configurable attributes and attribute change events to the class being </span>
+<span class="c"> * augmented. It also provides a State class, which is used internally by Attribute,</span>
+<span class="c"> * but can also be used independently to provide a name/property/value data structure to</span>
+<span class="c"> * store state.</span>
+<span class="c"> *</span>
+<span class="c"> * @module attribute</span>
+<span class="c"> */</span>
+
+ <span class="k">var</span> <span class="nx">O</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Object</span><span class="o">,</span>
+ <span class="nx">EventTarget</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">EventTarget</span><span class="o">,</span>
+
+ <span class="nx">DOT</span> <span class="o">=</span> <span class="s2">"."</span><span class="o">,</span>
+ <span class="nx">CHANGE</span> <span class="o">=</span> <span class="s2">"Change"</span><span class="o">,</span>
+
+ <span class="c">// Externally configurable props</span>
+<span class="c"></span> <span class="nx">GETTER</span> <span class="o">=</span> <span class="s2">"getter"</span><span class="o">,</span>
+ <span class="nx">SETTER</span> <span class="o">=</span> <span class="s2">"setter"</span><span class="o">,</span>
+ <span class="nx">READ_ONLY</span> <span class="o">=</span> <span class="s2">"readOnly"</span><span class="o">,</span>
+ <span class="nx">WRITE_ONCE</span> <span class="o">=</span> <span class="s2">"writeOnce"</span><span class="o">,</span>
+ <span class="nx">VALIDATOR</span> <span class="o">=</span> <span class="s2">"validator"</span><span class="o">,</span>
+ <span class="nx">VALUE</span> <span class="o">=</span> <span class="s2">"value"</span><span class="o">,</span>
+ <span class="nx">VALUE_FN</span> <span class="o">=</span> <span class="s2">"valueFn"</span><span class="o">,</span>
+ <span class="nx">BROADCAST</span> <span class="o">=</span> <span class="s2">"broadcast"</span><span class="o">,</span>
+ <span class="nx">LAZY_ADD</span> <span class="o">=</span> <span class="s2">"lazyAdd"</span><span class="o">,</span>
+
+ <span class="c">// Used for internal state management</span>
+<span class="c"></span> <span class="nx">ADDED</span> <span class="o">=</span> <span class="s2">"added"</span><span class="o">,</span>
+ <span class="nx">INITIALIZING</span> <span class="o">=</span> <span class="s2">"initializing"</span><span class="o">,</span>
+ <span class="nx">INIT_VALUE</span> <span class="o">=</span> <span class="s2">"initValue"</span><span class="o">,</span>
+ <span class="nx">PUBLISHED</span> <span class="o">=</span> <span class="s2">"published"</span><span class="o">,</span>
+ <span class="nx">DEF_VALUE</span> <span class="o">=</span> <span class="s2">"defaultValue"</span><span class="o">,</span>
+ <span class="nx">LAZY</span> <span class="o">=</span> <span class="s2">"lazy"</span><span class="o">,</span>
+ <span class="nx">IS_LAZY_ADD</span> <span class="o">=</span> <span class="s2">"isLazyAdd"</span><span class="o">,</span>
+
+ <span class="nx">INVALID_VALUE</span><span class="o">,</span>
+ <span class="nx">MODIFIABLE</span> <span class="o">=</span> <span class="o">{};</span>
+
+ <span class="c">// Properties which can be changed after the attribute has been added.</span>
+<span class="c"></span> <span class="nx">MODIFIABLE</span><span class="o">[</span><span class="nx">READ_ONLY</span><span class="o">]</span> <span class="o">=</span> <span class="m">1</span><span class="o">;</span>
+ <span class="nx">MODIFIABLE</span><span class="o">[</span><span class="nx">WRITE_ONCE</span><span class="o">]</span> <span class="o">=</span> <span class="m">1</span><span class="o">;</span>
+ <span class="nx">MODIFIABLE</span><span class="o">[</span><span class="nx">GETTER</span><span class="o">]</span> <span class="o">=</span> <span class="m">1</span><span class="o">;</span>
+ <span class="nx">MODIFIABLE</span><span class="o">[</span><span class="nx">BROADCAST</span><span class="o">]</span> <span class="o">=</span> <span class="m">1</span><span class="o">;</span>
+
+ <span class="c">/**</span>
+<span class="c"> * <p></span>
+<span class="c"> * Attribute provides configurable attribute support along with attribute change events. It is designed to be </span>
+<span class="c"> * augmented onto a host class, and provides the host with the ability to configure attributes to store and retrieve state, </span>
+<span class="c"> * along with attribute change events.</span>
+<span class="c"> * </p></span>
+<span class="c"> * <p>For example, attributes added to the host can be configured:</p></span>
+<span class="c"> * <ul></span>
+<span class="c"> * <li>As read only.</li></span>
+<span class="c"> * <li>As write once.</li></span>
+<span class="c"> * <li>With a setter function, which can be used to manipulate</span>
+<span class="c"> * values passed to Attribute's <a href="#method_set">set</a> method, before they are stored.</li></span>
+<span class="c"> * <li>With a getter function, which can be used to manipulate stored values,</span>
+<span class="c"> * before they are returned by Attribute's <a href="#method_get">get</a> method.</li></span>
+<span class="c"> * <li>With a validator function, to validate values before they are stored.</li></span>
+<span class="c"> * </ul></span>
+<span class="c"> *</span>
+<span class="c"> * <p>See the <a href="#method_addAttr">addAttr</a> method, for the complete set of configuration</span>
+<span class="c"> * options available for attributes</p>.</span>
+<span class="c"> * </span>
+<span class="c"> * <p><strong>NOTE:</strong> Most implementations will be better off extending the <a href="Base.html">Base</a> class, </span>
+<span class="c"> * instead of augmenting Attribute directly. Base augments Attribute and will handle the initial configuration </span>
+<span class="c"> * of attributes for derived classes, accounting for values passed into the constructor.</p></span>
+<span class="c"> *</span>
+<span class="c"> * @class Attribute</span>
+<span class="c"> * @uses EventTarget</span>
+<span class="c"> */</span>
+ <span class="k">function</span> <span class="nx">Attribute</span><span class="o">()</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute constructor called'</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+
+ <span class="c">// Perf tweak - avoid creating event literals if not required.</span>
+<span class="c"></span> <span class="k">this</span><span class="o">.</span><span class="nx">_ATTR_E_FACADE</span> <span class="o">=</span> <span class="o">{};</span>
+
+ <span class="nx">EventTarget</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="o">{</span><span class="nx">emitFacade</span><span class="o">:</span><span class="kc">true</span><span class="o">});</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">State</span><span class="o">();</span>
+ <span class="o">}</span>
+
+ <span class="c">/**</span>
+<span class="c"> * <p>The value to return from an attribute setter in order to prevent the set from going through.</p></span>
+<span class="c"> * </span>
+<span class="c"> * <p>You can return this value from your setter if you wish to combine validator and setter </span>
+<span class="c"> * functionality into a single setter function, which either returns the massaged value to be stored or </span>
+<span class="c"> * Attribute.INVALID_VALUE to prevent invalid values from being stored.</p></span>
+<span class="c"> *</span>
+<span class="c"> * @property Attribute.INVALID_VALUE</span>
+<span class="c"> * @type Object</span>
+<span class="c"> * @static</span>
+<span class="c"> * @final</span>
+<span class="c"> */</span>
+ <span class="nx">Attribute</span><span class="o">.</span><span class="nx">INVALID_VALUE</span> <span class="o">=</span> <span class="o">{};</span>
+ <span class="nx">INVALID_VALUE</span> <span class="o">=</span> <span class="nx">Attribute</span><span class="o">.</span><span class="nx">INVALID_VALUE</span><span class="o">;</span>
+
+ <span class="c">/**</span>
+<span class="c"> * The list of properties which can be configured for </span>
+<span class="c"> * each attribute (e.g. setter, getter, writeOnce etc.).</span>
+<span class="c"> *</span>
+<span class="c"> * This property is used internally as a whitelist for faster</span>
+<span class="c"> * Y.mix operations.</span>
+<span class="c"> *</span>
+<span class="c"> * @property Attribute._ATTR_CFG</span>
+<span class="c"> * @type Array</span>
+<span class="c"> * @static</span>
+<span class="c"> * @protected</span>
+<span class="c"> */</span>
+ <span class="nx">Attribute</span><span class="o">.</span><span class="nx">_ATTR_CFG</span> <span class="o">=</span> <span class="o">[</span><span class="nx">SETTER</span><span class="o">,</span> <span class="nx">GETTER</span><span class="o">,</span> <span class="nx">VALIDATOR</span><span class="o">,</span> <span class="nx">VALUE</span><span class="o">,</span> <span class="nx">VALUE_FN</span><span class="o">,</span> <span class="nx">WRITE_ONCE</span><span class="o">,</span> <span class="nx">READ_ONLY</span><span class="o">,</span> <span class="nx">LAZY_ADD</span><span class="o">,</span> <span class="nx">BROADCAST</span><span class="o">];</span>
+
+ <span class="nx">Attribute</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span>
+ <span class="c">/**</span>
+<span class="c"> * <p></span>
+<span class="c"> * Adds an attribute with the provided configuration to the host object.</span>
+<span class="c"> * </p></span>
+<span class="c"> * <p></span>
+<span class="c"> * The config argument object supports the following properties:</span>
+<span class="c"> * </p></span>
+<span class="c"> * </span>
+<span class="c"> * <dl></span>
+<span class="c"> * <dt>value &#60;Any&#62;</dt></span>
+<span class="c"> * <dd>The initial value to set on the attribute</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>valueFn &#60;Function&#62;</dt></span>
+<span class="c"> * <dd>A function, which will return the initial value to set on the attribute. This is useful</span>
+<span class="c"> * for cases where the attribute configuration is defined statically, but needs to </span>
+<span class="c"> * reference the host instance ("this") to obtain an initial value.</span>
+<span class="c"> * If defined, this precedence over the value property.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>readOnly &#60;boolean&#62;</dt></span>
+<span class="c"> * <dd>Whether or not the attribute is read only. Attributes having readOnly set to true</span>
+<span class="c"> * cannot be modified by invoking the set method.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>writeOnce &#60;boolean&#62;</dt></span>
+<span class="c"> * <dd>Whether or not the attribute is "write once". Attributes having writeOnce set to true, </span>
+<span class="c"> * can only have their values set once, be it through the default configuration, </span>
+<span class="c"> * constructor configuration arguments, or by invoking set.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>setter &#60;Function&#62;</dt></span>
+<span class="c"> * <dd>The setter function used to massage or normalize the value passed to the set method for the attribute. </span>
+<span class="c"> * The value returned by the setter will be the final stored value. Returning</span>
+<span class="c"> * <a href="#property_Attribute.INVALID_VALUE">Attribute.INVALID_VALUE</a>, from the setter will prevent</span>
+<span class="c"> * the value from being stored.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>getter &#60;Function&#62;</dt></span>
+<span class="c"> * <dd>The getter function used to massage or normalize the value returned by the get method for the attribute.</span>
+<span class="c"> * The value returned by the getter function is the value which will be returned to the user when they </span>
+<span class="c"> * invoke get.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>validator &#60;Function&#62;</dt></span>
+<span class="c"> * <dd>The validator function invoked prior to setting the stored value. Returning</span>
+<span class="c"> * false from the validator function will prevent the value from being stored.</dd></span>
+<span class="c"> * </span>
+<span class="c"> * <dt>broadcast &#60;int&#62;</dt></span>
+<span class="c"> * <dd>If and how attribute change events for this attribute should be broadcast. See CustomEvent's <a href="CustomEvent.html#property_broadcast">broadcast</a> property for </span>
+<span class="c"> * valid values. By default attribute change events are not broadcast.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * <dt>lazyAdd &#60;boolean&#62;</dt></span>
+<span class="c"> * <dd>Whether or not to delay initialization of the attribute until the first call to get/set it. </span>
+<span class="c"> * This flag can be used to over-ride lazy initialization on a per attribute basis, when adding multiple attributes through </span>
+<span class="c"> * the <a href="#method_addAttrs">addAttrs</a> method.</dd></span>
+<span class="c"> *</span>
+<span class="c"> * </dl></span>
+<span class="c"> *</span>
+<span class="c"> * <p>The setter, getter and validator are invoked with the value and name passed in as the first and second arguments, and with</span>
+<span class="c"> * the context ("this") set to the host object.</p></span>
+<span class="c"> *</span>
+<span class="c"> * @method addAttr</span>
+<span class="c"> *</span>
+<span class="c"> * @param {String} name The name of the attribute.</span>
+<span class="c"> * @param {Object} config An object with attribute configuration property/value pairs, specifying the configuration for the attribute.</span>
+<span class="c"> *</span>
+<span class="c"> * <p></span>
+<span class="c"> * <strong>NOTE:</strong> The configuration object is modified when adding an attribute, so if you need </span>
+<span class="c"> * to protect the original values, you will need to merge the object.</span>
+<span class="c"> * </p></span>
+<span class="c"> *</span>
+<span class="c"> * @param {boolean} lazy (optional) Whether or not to add this attribute lazily (on the first call to get/set). </span>
+<span class="c"> *</span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> *</span>
+<span class="c"> * @chainable</span>
+<span class="c"> */</span>
+ <span class="nx">addAttr</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">config</span><span class="o">,</span> <span class="nx">lazy</span><span class="o">)</span> <span class="o">{</span>
+
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Adding attribute: '</span> <span class="o">+</span> <span class="nx">name</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="k">var</span> <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">;</span>
+
+ <span class="nx">lazy</span> <span class="o">=</span> <span class="o">(</span><span class="nx">LAZY_ADD</span> <span class="k">in</span> <span class="nx">config</span><span class="o">)</span> <span class="o">?</span> <span class="nx">config</span><span class="o">[</span><span class="nx">LAZY_ADD</span><span class="o">]</span> <span class="o">:</span> <span class="nx">lazy</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">lazy</span> <span class="o">&&</span> <span class="o">!</span><span class="k">this</span><span class="o">.</span><span class="nx">attrAdded</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Lazy Add: '</span> <span class="o">+</span> <span class="nx">name</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">LAZY</span><span class="o">,</span> <span class="nx">config</span> <span class="o">||</span> <span class="o">{});</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">ADDED</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">attrAdded</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">IS_LAZY_ADD</span><span class="o">))</span> <span class="o">{</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute: '</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">' already exists. Cannot add it again without removing it first'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span> <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">attrAdded</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">||</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">IS_LAZY_ADD</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Non-Lazy Add: '</span> <span class="o">+</span> <span class="nx">name</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+
+ <span class="nx">config</span> <span class="o">=</span> <span class="nx">config</span> <span class="o">||</span> <span class="o">{};</span>
+
+ <span class="k">var</span> <span class="nx">value</span><span class="o">,</span> <span class="nx">hasValue</span> <span class="o">=</span> <span class="o">(</span><span class="nx">VALUE</span> <span class="k">in</span> <span class="nx">config</span><span class="o">);</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">config</span><span class="o">.</span><span class="nx">readOnly</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">hasValue</span><span class="o">)</span> <span class="o">{</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'readOnly attribute: '</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">', added without an initial value. Value will be set on initial call to set'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);}</span>
+
+ <span class="k">if</span><span class="o">(</span><span class="nx">hasValue</span><span class="o">)</span> <span class="o">{</span>
+ <span class="c">// We'll go through set, don't want to set value in _conf directory</span>
+<span class="c"></span> <span class="nx">value</span> <span class="o">=</span> <span class="nx">config</span><span class="o">.</span><span class="nx">value</span><span class="o">;</span>
+ <span class="nx">delete</span> <span class="nx">config</span><span class="o">.</span><span class="nx">value</span><span class="o">;</span>
+ <span class="o">}</span>
+
+ <span class="nx">config</span><span class="o">.</span><span class="nx">added</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
+ <span class="nx">config</span><span class="o">.</span><span class="nx">initializing</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
+
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">addAll</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">config</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">hasValue</span><span class="o">)</span> <span class="o">{</span>
+ <span class="c">// Go through set, so that raw values get normalized/validated</span>
+<span class="c"></span> <span class="k">this</span><span class="o">.</span><span class="nx">set</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">value</span><span class="o">);</span>
+ <span class="o">}</span>
+
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">remove</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">INITIALIZING</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">return</span> <span class="k">this</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Checks if the given attribute has been added to the host</span>
+<span class="c"> *</span>
+<span class="c"> * @method attrAdded</span>
+<span class="c"> * @param {String} name The name of the attribute to check.</span>
+<span class="c"> * @return {boolean} true if an attribute with the given name has been added, false if it hasn't. This method will return true for lazily added attributes.</span>
+<span class="c"> */</span>
+ <span class="nx">attrAdded</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">return</span> <span class="o">!!</span><span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">ADDED</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Updates the configuration of an attribute which has already been added.</span>
+<span class="c"> * <p></span>
+<span class="c"> * The properties which can be modified through this interface are limited</span>
+<span class="c"> * to the following subset of attributes, which can be safely modified</span>
+<span class="c"> * after a value has already been set on the attribute: readOnly, writeOnce, </span>
+<span class="c"> * broadcast and getter.</span>
+<span class="c"> * </p></span>
+<span class="c"> * @method modifyAttr</span>
+<span class="c"> * @param {String} name The name of the attribute whose configuration is to be updated.</span>
+<span class="c"> * @param {Object} config An object with configuration property/value pairs, specifying the configuration properties to modify.</span>
+<span class="c"> */</span>
+ <span class="nx">modifyAttr</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">config</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">attrAdded</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_isLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_addLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">);</span>
+ <span class="o">}</span>
+
+ <span class="k">var</span> <span class="nx">prop</span><span class="o">,</span> <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">;</span>
+ <span class="k">for</span> <span class="o">(</span><span class="nx">prop</span> <span class="k">in</span> <span class="nx">config</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">MODIFIABLE</span><span class="o">[</span><span class="nx">prop</span><span class="o">]</span> <span class="o">&&</span> <span class="nx">config</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">prop</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">prop</span><span class="o">,</span> <span class="nx">config</span><span class="o">[</span><span class="nx">prop</span><span class="o">]);</span>
+
+ <span class="c">// If we reconfigured broadcast, need to republish</span>
+<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">prop</span> <span class="o">===</span> <span class="nx">BROADCAST</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">remove</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">PUBLISHED</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">attrAdded</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span><span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute modifyAttr:'</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">' has not been added. Use addAttr to add the attribute'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);}</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Removes an attribute from the host object</span>
+<span class="c"> *</span>
+<span class="c"> * @method removeAttr</span>
+<span class="c"> * @param {String} name The name of the attribute to be removed.</span>
+<span class="c"> */</span>
+ <span class="nx">removeAttr</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">removeAll</span><span class="o">(</span><span class="nx">name</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Returns the current value of the attribute. If the attribute</span>
+<span class="c"> * has been configured with a 'getter' function, this method will delegate</span>
+<span class="c"> * to the 'getter' to obtain the value of the attribute.</span>
+<span class="c"> *</span>
+<span class="c"> * @method get</span>
+<span class="c"> *</span>
+<span class="c"> * @param {String} name The name of the attribute. If the value of the attribute is an Object, </span>
+<span class="c"> * dot notation can be used to obtain the value of a property of the object (e.g. <code>get("x.y.z")</code>)</span>
+<span class="c"> *</span>
+<span class="c"> * @return {Any} The value of the attribute</span>
+<span class="c"> */</span>
+ <span class="nx">get</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+
+ <span class="k">var</span> <span class="nx">fullName</span> <span class="o">=</span> <span class="nx">name</span><span class="o">,</span>
+ <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">,</span>
+ <span class="nx">path</span><span class="o">,</span>
+ <span class="nx">getter</span><span class="o">,</span>
+ <span class="nx">val</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">name</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">DOT</span><span class="o">)</span> <span class="o">!==</span> <span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">path</span> <span class="o">=</span> <span class="nx">name</span><span class="o">.</span><span class="nx">split</span><span class="o">(</span><span class="nx">DOT</span><span class="o">);</span>
+ <span class="nx">name</span> <span class="o">=</span> <span class="nx">path</span><span class="o">.</span><span class="nx">shift</span><span class="o">();</span>
+ <span class="o">}</span>
+
+ <span class="c">// On Demand - Should be rare - handles out of order valueFn references</span>
+<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span><span class="o">[</span><span class="nx">name</span><span class="o">])</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">cfg</span> <span class="o">=</span> <span class="o">{};</span>
+ <span class="nx">cfg</span><span class="o">[</span><span class="nx">name</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span><span class="o">[</span><span class="nx">name</span><span class="o">];</span>
+ <span class="nx">delete</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span><span class="o">[</span><span class="nx">name</span><span class="o">];</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_addAttrs</span><span class="o">(</span><span class="nx">cfg</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tVals</span><span class="o">);</span>
+ <span class="o">}</span>
+
+ <span class="c">// Lazy Init</span>
+<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_isLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_addLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">);</span>
+ <span class="o">}</span>
+
+ <span class="nx">val</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">VALUE</span><span class="o">);</span>
+ <span class="nx">getter</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">GETTER</span><span class="o">);</span>
+
+ <span class="nx">val</span> <span class="o">=</span> <span class="o">(</span><span class="nx">getter</span><span class="o">)</span> <span class="o">?</span> <span class="nx">getter</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">fullName</span><span class="o">)</span> <span class="o">:</span> <span class="nx">val</span><span class="o">;</span>
+ <span class="nx">val</span> <span class="o">=</span> <span class="o">(</span><span class="nx">path</span><span class="o">)</span> <span class="o">?</span> <span class="nx">O</span><span class="o">.</span><span class="nx">getValue</span><span class="o">(</span><span class="nx">val</span><span class="o">,</span> <span class="nx">path</span><span class="o">)</span> <span class="o">:</span> <span class="nx">val</span><span class="o">;</span>
+
+ <span class="k">return</span> <span class="nx">val</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Checks whether or not the attribute is one which has been</span>
+<span class="c"> * added lazily and still requires initialization.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _isLazyAttr</span>
+<span class="c"> * @private</span>
+<span class="c"> * @param {String} name The name of the attribute</span>
+<span class="c"> * @return {boolean} true if it's a lazily added attribute, false otherwise.</span>
+<span class="c"> */</span>
+ <span class="nx">_isLazyAttr</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">LAZY</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Finishes initializing an attribute which has been lazily added.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _addLazyAttr</span>
+<span class="c"> * @private</span>
+<span class="c"> * @param {Object} name The name of the attribute</span>
+<span class="c"> */</span>
+ <span class="nx">_addLazyAttr</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">;</span>
+ <span class="k">var</span> <span class="nx">lazyCfg</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">LAZY</span><span class="o">);</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">IS_LAZY_ADD</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">remove</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">LAZY</span><span class="o">);</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">addAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">lazyCfg</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Sets the value of an attribute.</span>
+<span class="c"> *</span>
+<span class="c"> * @method set</span>
+<span class="c"> * @chainable</span>
+<span class="c"> *</span>
+<span class="c"> * @param {String} name The name of the attribute. If the </span>
+<span class="c"> * current value of the attribute is an Object, dot notation can be used</span>
+<span class="c"> * to set the value of a property within the object (e.g. <code>set("x.y.z", 5)</code>).</span>
+<span class="c"> *</span>
+<span class="c"> * @param {Any} value The value to set the attribute to.</span>
+<span class="c"> *</span>
+<span class="c"> * @param {Object} opts (Optional) Optional event data to be mixed into</span>
+<span class="c"> * the event facade passed to subscribers of the attribute's change event. This </span>
+<span class="c"> * can be used as a flexible way to identify the source of a call to set, allowing </span>
+<span class="c"> * the developer to distinguish between set called internally by the host, vs. </span>
+<span class="c"> * set called externally by the application developer.</span>
+<span class="c"> *</span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> */</span>
+ <span class="nx">set</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">opts</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">_setAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">opts</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Resets the attribute (or all attributes) to its initial value, as long as</span>
+<span class="c"> * the attribute is not readOnly, or writeOnce.</span>
+<span class="c"> *</span>
+<span class="c"> * @method reset</span>
+<span class="c"> * @param {String} name Optional. The name of the attribute to reset. If omitted, all attributes are reset.</span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> * @chainable</span>
+<span class="c"> */</span>
+ <span class="nx">reset</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">name</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_isLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_addLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">set</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">INIT_VALUE</span><span class="o">));</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">added</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">data</span><span class="o">.</span><span class="nx">added</span><span class="o">;</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">each</span><span class="o">(</span><span class="nx">added</span><span class="o">,</span> <span class="k">function</span><span class="o">(</span><span class="nx">v</span><span class="o">,</span> <span class="nx">n</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">reset</span><span class="o">(</span><span class="nx">n</span><span class="o">);</span>
+ <span class="o">},</span> <span class="k">this</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="k">return</span> <span class="k">this</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Allows setting of readOnly/writeOnce attributes. See <a href="#method_set">set</a> for argument details.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _set</span>
+<span class="c"> * @protected</span>
+<span class="c"> * @chainable</span>
+<span class="c"> * </span>
+<span class="c"> * @param {String} name The name of the attribute.</span>
+<span class="c"> * @param {Any} val The value to set the attribute to.</span>
+<span class="c"> * @param {Object} opts (Optional) Optional event data to be mixed into</span>
+<span class="c"> * the event facade passed to subscribers of the attribute's change event.</span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> */</span>
+ <span class="nx">_set</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">opts</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">_setAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">opts</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Provides the common implementation for the public set and protected _set methods.</span>
+<span class="c"> *</span>
+<span class="c"> * See <a href="#method_set">set</a> for argument details.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _setAttr</span>
+<span class="c"> * @protected</span>
+<span class="c"> * @chainable</span>
+<span class="c"> *</span>
+<span class="c"> * @param {String} name The name of the attribute.</span>
+<span class="c"> * @param {Any} value The value to set the attribute to.</span>
+<span class="c"> * @param {Object} opts (Optional) Optional event data to be mixed into</span>
+<span class="c"> * the event facade passed to subscribers of the attribute's change event.</span>
+<span class="c"> * @param {boolean} force If true, allows the caller to set values for </span>
+<span class="c"> * readOnly or writeOnce attributes which have already been set.</span>
+<span class="c"> *</span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> */</span>
+ <span class="nx">_setAttr</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">opts</span><span class="o">,</span> <span class="nx">force</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">true</span><span class="o">,</span>
+ <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">,</span>
+ <span class="nx">data</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">data</span><span class="o">,</span>
+ <span class="nx">initialSet</span><span class="o">,</span>
+ <span class="nx">strPath</span><span class="o">,</span>
+ <span class="nx">path</span><span class="o">,</span>
+ <span class="nx">currVal</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">name</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">DOT</span><span class="o">)</span> <span class="o">!==</span> <span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">strPath</span> <span class="o">=</span> <span class="nx">name</span><span class="o">;</span>
+ <span class="nx">path</span> <span class="o">=</span> <span class="nx">name</span><span class="o">.</span><span class="nx">split</span><span class="o">(</span><span class="nx">DOT</span><span class="o">);</span>
+ <span class="nx">name</span> <span class="o">=</span> <span class="nx">path</span><span class="o">.</span><span class="nx">shift</span><span class="o">();</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_isLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_addLazyAttr</span><span class="o">(</span><span class="nx">name</span><span class="o">);</span>
+ <span class="o">}</span>
+
+ <span class="nx">initialSet</span> <span class="o">=</span> <span class="o">(!</span><span class="nx">data</span><span class="o">.</span><span class="nx">value</span> <span class="o">||</span> <span class="o">!(</span><span class="nx">name</span> <span class="k">in</span> <span class="nx">data</span><span class="o">.</span><span class="nx">value</span><span class="o">));</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">attrAdded</span><span class="o">(</span><span class="nx">name</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Set attribute:'</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">', aborted; Attribute is not configured'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="nx">initialSet</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">force</span><span class="o">)</span> <span class="o">{</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">WRITE_ONCE</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Set attribute:'</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">', aborted; Attribute is writeOnce'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">READ_ONLY</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Set attribute:'</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">', aborted; Attribute is readOnly'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">allowSet</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">currVal</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">path</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">val</span> <span class="o">=</span> <span class="nx">O</span><span class="o">.</span><span class="nx">setValue</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">clone</span><span class="o">(</span><span class="nx">currVal</span><span class="o">),</span> <span class="nx">path</span><span class="o">,</span> <span class="nx">val</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">val</span> <span class="o">===</span> <span class="kc">undefined</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Set attribute path:'</span> <span class="o">+</span> <span class="nx">strPath</span> <span class="o">+</span> <span class="s1">', aborted; Path is invalid'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">allowSet</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">INITIALIZING</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_setAttrVal</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">strPath</span><span class="o">,</span> <span class="nx">currVal</span><span class="o">,</span> <span class="nx">val</span><span class="o">);</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_fireAttrChange</span><span class="o">(</span><span class="nx">name</span><span class="o">,</span> <span class="nx">strPath</span><span class="o">,</span> <span class="nx">currVal</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span> <span class="nx">opts</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">return</span> <span class="k">this</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Utility method to help setup the event payload and fire the attribute change event.</span>
+<span class="c"> * </span>
+<span class="c"> * @method _fireAttrChange</span>
+<span class="c"> * @private</span>
+<span class="c"> * @param {String} attrName The name of the attribute</span>
+<span class="c"> * @param {String} subAttrName The full path of the property being changed, </span>
+<span class="c"> * if this is a sub-attribute value being change. Otherwise null.</span>
+<span class="c"> * @param {Any} currVal The current value of the attribute</span>
+<span class="c"> * @param {Any} newVal The new value of the attribute</span>
+<span class="c"> * @param {Object} opts Any additional event data to mix into the attribute change event's event facade.</span>
+<span class="c"> */</span>
+ <span class="nx">_fireAttrChange</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">subAttrName</span><span class="o">,</span> <span class="nx">currVal</span><span class="o">,</span> <span class="nx">newVal</span><span class="o">,</span> <span class="nx">opts</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">eventName</span> <span class="o">=</span> <span class="nx">attrName</span> <span class="o">+</span> <span class="nx">CHANGE</span><span class="o">,</span>
+ <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">,</span>
+ <span class="nx">facade</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">PUBLISHED</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">publish</span><span class="o">(</span><span class="nx">eventName</span><span class="o">,</span> <span class="o">{</span>
+ <span class="nx">queuable</span><span class="o">:</span><span class="kc">false</span><span class="o">,</span>
+ <span class="nx">defaultFn</span><span class="o">:</span><span class="k">this</span><span class="o">.</span><span class="nx">_defAttrChangeFn</span><span class="o">,</span>
+ <span class="nx">silent</span><span class="o">:</span><span class="kc">true</span><span class="o">,</span>
+ <span class="nx">broadcast</span> <span class="o">:</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">BROADCAST</span><span class="o">)</span>
+ <span class="o">});</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">PUBLISHED</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span>
+ <span class="o">}</span>
+
+ <span class="nx">facade</span> <span class="o">=</span> <span class="o">(</span><span class="nx">opts</span><span class="o">)</span> <span class="o">?</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">merge</span><span class="o">(</span><span class="nx">opts</span><span class="o">)</span> <span class="o">:</span> <span class="k">this</span><span class="o">.</span><span class="nx">_ATTR_E_FACADE</span><span class="o">;</span>
+
+ <span class="nx">facade</span><span class="o">.</span><span class="nx">type</span> <span class="o">=</span> <span class="nx">eventName</span><span class="o">;</span>
+ <span class="nx">facade</span><span class="o">.</span><span class="nx">attrName</span> <span class="o">=</span> <span class="nx">attrName</span><span class="o">;</span>
+ <span class="nx">facade</span><span class="o">.</span><span class="nx">subAttrName</span> <span class="o">=</span> <span class="nx">subAttrName</span><span class="o">;</span>
+ <span class="nx">facade</span><span class="o">.</span><span class="nx">prevVal</span> <span class="o">=</span> <span class="nx">currVal</span><span class="o">;</span>
+ <span class="nx">facade</span><span class="o">.</span><span class="nx">newVal</span> <span class="o">=</span> <span class="nx">newVal</span><span class="o">;</span>
+
+ <span class="k">this</span><span class="o">.</span><span class="nx">fire</span><span class="o">(</span><span class="nx">facade</span><span class="o">);</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Default function for attribute change events.</span>
+<span class="c"> *</span>
+<span class="c"> * @private</span>
+<span class="c"> * @method _defAttrChangeFn</span>
+<span class="c"> * @param {EventFacade} e The event object for attribute change events.</span>
+<span class="c"> */</span>
+ <span class="nx">_defAttrChangeFn</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">e</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">_setAttrVal</span><span class="o">(</span><span class="nx">e</span><span class="o">.</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">e</span><span class="o">.</span><span class="nx">subAttrName</span><span class="o">,</span> <span class="nx">e</span><span class="o">.</span><span class="nx">prevVal</span><span class="o">,</span> <span class="nx">e</span><span class="o">.</span><span class="nx">newVal</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'State not updated and stopImmediatePropagation called for attribute: '</span> <span class="o">+</span> <span class="nx">e</span><span class="o">.</span><span class="nx">attrName</span> <span class="o">+</span> <span class="s1">' , value:'</span> <span class="o">+</span> <span class="nx">e</span><span class="o">.</span><span class="nx">newVal</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="c">// Prevent "after" listeners from being invoked since nothing changed.</span>
+<span class="c"></span> <span class="nx">e</span><span class="o">.</span><span class="nx">stopImmediatePropagation</span><span class="o">();</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="nx">e</span><span class="o">.</span><span class="nx">newVal</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">e</span><span class="o">.</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">VALUE</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Updates the stored value of the attribute in the privately held State object,</span>
+<span class="c"> * if validation and setter passes.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _setAttrVal</span>
+<span class="c"> * @private</span>
+<span class="c"> * @param {String} attrName The attribute name.</span>
+<span class="c"> * @param {String} subAttrName The sub-attribute name, if setting a sub-attribute property ("x.y.z").</span>
+<span class="c"> * @param {Any} prevVal The currently stored value of the attribute.</span>
+<span class="c"> * @param {Any} newVal The value which is going to be stored.</span>
+<span class="c"> * </span>
+<span class="c"> * @return {booolean} true if the new attribute value was stored, false if not.</span>
+<span class="c"> */</span>
+ <span class="nx">_setAttrVal</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">subAttrName</span><span class="o">,</span> <span class="nx">prevVal</span><span class="o">,</span> <span class="nx">newVal</span><span class="o">)</span> <span class="o">{</span>
+
+ <span class="k">var</span> <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">true</span><span class="o">,</span>
+ <span class="nx">conf</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">,</span>
+
+ <span class="nx">validator</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">VALIDATOR</span><span class="o">),</span>
+ <span class="nx">setter</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">SETTER</span><span class="o">),</span>
+ <span class="nx">initializing</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">INITIALIZING</span><span class="o">),</span>
+
+ <span class="nx">name</span> <span class="o">=</span> <span class="nx">subAttrName</span> <span class="o">||</span> <span class="nx">attrName</span><span class="o">,</span>
+ <span class="nx">retVal</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">validator</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">valid</span> <span class="o">=</span> <span class="nx">validator</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">newVal</span><span class="o">,</span> <span class="nx">name</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="nx">valid</span> <span class="o">&&</span> <span class="nx">initializing</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">newVal</span> <span class="o">=</span> <span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">DEF_VALUE</span><span class="o">);</span>
+ <span class="nx">valid</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> <span class="c">// Assume it's valid, for perf.</span>
+<span class="c"></span> <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="nx">validator</span> <span class="o">||</span> <span class="nx">valid</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">setter</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">retVal</span> <span class="o">=</span> <span class="nx">setter</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">newVal</span><span class="o">,</span> <span class="nx">name</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">retVal</span> <span class="o">===</span> <span class="nx">INVALID_VALUE</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute: '</span> <span class="o">+</span> <span class="nx">attrName</span> <span class="o">+</span> <span class="s1">', setter returned Attribute.INVALID_VALUE for value:'</span> <span class="o">+</span> <span class="nx">newVal</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">retVal</span> <span class="o">!==</span> <span class="kc">undefined</span><span class="o">){</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute: '</span> <span class="o">+</span> <span class="nx">attrName</span> <span class="o">+</span> <span class="s1">', raw value: '</span> <span class="o">+</span> <span class="nx">newVal</span> <span class="o">+</span> <span class="s1">' modified by setter to:'</span> <span class="o">+</span> <span class="nx">retVal</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">newVal</span> <span class="o">=</span> <span class="nx">retVal</span><span class="o">;</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">allowSet</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span><span class="o">(!</span><span class="nx">subAttrName</span> <span class="o">&&</span> <span class="nx">newVal</span> <span class="o">===</span> <span class="nx">prevVal</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute: '</span> <span class="o">+</span> <span class="nx">attrName</span> <span class="o">+</span> <span class="s1">', value unchanged:'</span> <span class="o">+</span> <span class="nx">newVal</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="c">// Store value</span>
+<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">INIT_VALUE</span><span class="o">)</span> <span class="o">===</span> <span class="kc">undefined</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">INIT_VALUE</span><span class="o">,</span> <span class="nx">newVal</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="nx">conf</span><span class="o">.</span><span class="nx">add</span><span class="o">(</span><span class="nx">attrName</span><span class="o">,</span> <span class="nx">VALUE</span><span class="o">,</span> <span class="nx">newVal</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Attribute:'</span> <span class="o">+</span> <span class="nx">attrName</span> <span class="o">+</span> <span class="s1">', Validation failed for value:'</span> <span class="o">+</span> <span class="nx">newVal</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+ <span class="nx">allowSet</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
+ <span class="o">}</span>
+
+ <span class="k">return</span> <span class="nx">allowSet</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Sets multiple attribute values.</span>
+<span class="c"> *</span>
+<span class="c"> * @method setAttrs</span>
+<span class="c"> * @param {Object} attrs An object with attributes name/value pairs.</span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> * @chainable</span>
+<span class="c"> */</span>
+ <span class="nx">setAttrs</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">for</span> <span class="o">(</span><span class="k">var</span> <span class="nx">attr</span> <span class="k">in</span> <span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span> <span class="nx">attrs</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">attr</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">set</span><span class="o">(</span><span class="nx">attr</span><span class="o">,</span> <span class="nx">attrs</span><span class="o">[</span><span class="nx">attr</span><span class="o">]);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="k">return</span> <span class="k">this</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Gets multiple attribute values.</span>
+<span class="c"> *</span>
+<span class="c"> * @method getAttrs</span>
+<span class="c"> * @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are</span>
+<span class="c"> * returned. If set to true, all attributes modified from their initial values are returned.</span>
+<span class="c"> * @return {Object} An object with attribute name/value pairs.</span>
+<span class="c"> */</span>
+ <span class="nx">getAttrs</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">o</span> <span class="o">=</span> <span class="o">{},</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">l</span><span class="o">,</span> <span class="nx">attr</span><span class="o">,</span> <span class="nx">val</span><span class="o">,</span>
+ <span class="nx">modifiedOnly</span> <span class="o">=</span> <span class="o">(</span><span class="nx">attrs</span> <span class="o">===</span> <span class="kc">true</span><span class="o">);</span>
+
+ <span class="nx">attrs</span> <span class="o">=</span> <span class="o">(</span><span class="nx">attrs</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">modifiedOnly</span><span class="o">)</span> <span class="o">?</span> <span class="nx">attrs</span> <span class="o">:</span> <span class="nx">O</span><span class="o">.</span><span class="nx">keys</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">data</span><span class="o">.</span><span class="nx">added</span><span class="o">);</span>
+
+ <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">l</span> <span class="o">=</span> <span class="nx">attrs</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">l</span><span class="o">;</span> <span class="nx">i</span><span class="o">++)</span> <span class="o">{</span>
+ <span class="c">// Go through get, to honor cloning/normalization</span>
+<span class="c"></span> <span class="nx">attr</span> <span class="o">=</span> <span class="nx">attrs</span><span class="o">[</span><span class="nx">i</span><span class="o">];</span>
+ <span class="nx">val</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attr</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="nx">modifiedOnly</span> <span class="o">||</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attr</span><span class="o">,</span> <span class="nx">VALUE</span><span class="o">)</span> <span class="o">!=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_conf</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attr</span><span class="o">,</span> <span class="nx">INIT_VALUE</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">o</span><span class="o">[</span><span class="nx">attr</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="nx">attr</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="k">return</span> <span class="nx">o</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Configures a group of attributes, and sets initial values.</span>
+<span class="c"> *</span>
+<span class="c"> * <p></span>
+<span class="c"> * <strong>NOTE:</strong> This method does not isolate the configuration object by merging/cloning. </span>
+<span class="c"> * The caller is responsible for merging/cloning the configuration object if required.</span>
+<span class="c"> * </p></span>
+<span class="c"> *</span>
+<span class="c"> * @method addAttrs</span>
+<span class="c"> * @chainable</span>
+<span class="c"> *</span>
+<span class="c"> * @param {Object} cfgs An object with attribute name/configuration pairs.</span>
+<span class="c"> * @param {Object} values An object with attribute name/value pairs, defining the initial values to apply.</span>
+<span class="c"> * Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only.</span>
+<span class="c"> * @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set.</span>
+<span class="c"> * Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration.</span>
+<span class="c"> * See <a href="#method_addAttr">addAttr</a>.</span>
+<span class="c"> * </span>
+<span class="c"> * @return {Object} A reference to the host object.</span>
+<span class="c"> */</span>
+ <span class="nx">addAttrs</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">cfgs</span><span class="o">,</span> <span class="nx">values</span><span class="o">,</span> <span class="nx">lazy</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">cfgs</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span> <span class="o">=</span> <span class="nx">cfgs</span><span class="o">;</span>
+ <span class="k">this</span><span class="o">.</span><span class="nx">_tVals</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_splitAttrVals</span><span class="o">(</span><span class="nx">values</span><span class="o">);</span>
+
+ <span class="k">this</span><span class="o">.</span><span class="nx">_addAttrs</span><span class="o">(</span><span class="nx">cfgs</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tVals</span><span class="o">,</span> <span class="nx">lazy</span><span class="o">);</span>
+
+ <span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tVals</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span>
+ <span class="o">}</span>
+
+ <span class="k">return</span> <span class="k">this</span><span class="o">;</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Implementation behind the public addAttrs method. </span>
+<span class="c"> * </span>
+<span class="c"> * This method is invoked directly by get if it encounters a scenario </span>
+<span class="c"> * in which an attribute's valueFn attempts to obtain the </span>
+<span class="c"> * value an attribute in the same group of attributes, which has not yet </span>
+<span class="c"> * been added (on demand initialization).</span>
+<span class="c"> *</span>
+<span class="c"> * @method _addAttrs</span>
+<span class="c"> * @private</span>
+<span class="c"> * @param {Object} cfgs An object with attribute name/configuration pairs.</span>
+<span class="c"> * @param {Object} values An object with attribute name/value pairs, defining the initial values to apply.</span>
+<span class="c"> * Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only.</span>
+<span class="c"> * @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set.</span>
+<span class="c"> * Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration.</span>
+<span class="c"> * See <a href="#method_addAttr">addAttr</a>.</span>
+<span class="c"> */</span>
+ <span class="nx">_addAttrs</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">cfgs</span><span class="o">,</span> <span class="nx">values</span><span class="o">,</span> <span class="nx">lazy</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">attr</span><span class="o">,</span>
+ <span class="nx">attrCfg</span><span class="o">,</span>
+ <span class="nx">value</span><span class="o">;</span>
+
+ <span class="k">for</span> <span class="o">(</span><span class="nx">attr</span> <span class="k">in</span> <span class="nx">cfgs</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">cfgs</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">attr</span><span class="o">))</span> <span class="o">{</span>
+
+ <span class="c">// Not Merging. Caller is responsible for isolating configs</span>
+<span class="c"></span> <span class="nx">attrCfg</span> <span class="o">=</span> <span class="nx">cfgs</span><span class="o">[</span><span class="nx">attr</span><span class="o">];</span>
+ <span class="nx">attrCfg</span><span class="o">.</span><span class="nx">defaultValue</span> <span class="o">=</span> <span class="nx">attrCfg</span><span class="o">.</span><span class="nx">value</span><span class="o">;</span>
+
+ <span class="c">// Handle simple, complex and user values, accounting for read-only</span>
+<span class="c"></span> <span class="nx">value</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_getAttrInitVal</span><span class="o">(</span><span class="nx">attr</span><span class="o">,</span> <span class="nx">attrCfg</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tVals</span><span class="o">);</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">value</span> <span class="o">!==</span> <span class="kc">undefined</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">attrCfg</span><span class="o">.</span><span class="nx">value</span> <span class="o">=</span> <span class="nx">value</span><span class="o">;</span>
+ <span class="o">}</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span><span class="o">[</span><span class="nx">attr</span><span class="o">])</span> <span class="o">{</span>
+ <span class="nx">delete</span> <span class="k">this</span><span class="o">.</span><span class="nx">_tCfgs</span><span class="o">[</span><span class="nx">attr</span><span class="o">];</span>
+ <span class="o">}</span>
+
+ <span class="k">this</span><span class="o">.</span><span class="nx">addAttr</span><span class="o">(</span><span class="nx">attr</span><span class="o">,</span> <span class="nx">attrCfg</span><span class="o">,</span> <span class="nx">lazy</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Utility method to split out simple attribute name/value pairs ("x") </span>
+<span class="c"> * from complex attribute name/value pairs ("x.y.z"), so that complex</span>
+<span class="c"> * attributes can be keyed by the top level attribute name.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _splitAttrVals</span>
+<span class="c"> * @param {Object} valueHash An object with attribute name/value pairs</span>
+<span class="c"> *</span>
+<span class="c"> * @return {Object} An object literal with 2 properties - "simple" and "complex",</span>
+<span class="c"> * containing simple and complex attribute values respectively keyed </span>
+<span class="c"> * by the top level attribute name, or null, if valueHash is falsey.</span>
+<span class="c"> *</span>
+<span class="c"> * @private</span>
+<span class="c"> */</span>
+ <span class="nx">_splitAttrVals</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">valueHash</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">var</span> <span class="nx">vals</span> <span class="o">=</span> <span class="o">{},</span>
+ <span class="nx">subvals</span> <span class="o">=</span> <span class="o">{},</span>
+ <span class="nx">path</span><span class="o">,</span>
+ <span class="nx">attr</span><span class="o">,</span>
+ <span class="nx">v</span><span class="o">,</span> <span class="nx">k</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(</span><span class="nx">valueHash</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">for</span> <span class="o">(</span><span class="nx">k</span> <span class="k">in</span> <span class="nx">valueHash</span><span class="o">)</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">valueHash</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">k</span><span class="o">))</span> <span class="o">{</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">k</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">DOT</span><span class="o">)</span> <span class="o">!==</span> <span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">path</span> <span class="o">=</span> <span class="nx">k</span><span class="o">.</span><span class="nx">split</span><span class="o">(</span><span class="nx">DOT</span><span class="o">);</span>
+ <span class="nx">attr</span> <span class="o">=</span> <span class="nx">path</span><span class="o">.</span><span class="nx">shift</span><span class="o">();</span>
+ <span class="nx">v</span> <span class="o">=</span> <span class="nx">subvals</span><span class="o">[</span><span class="nx">attr</span><span class="o">]</span> <span class="o">=</span> <span class="nx">subvals</span><span class="o">[</span><span class="nx">attr</span><span class="o">]</span> <span class="o">||</span> <span class="o">[];</span>
+ <span class="nx">v</span><span class="o">[</span><span class="nx">v</span><span class="o">.</span><span class="nx">length</span><span class="o">]</span> <span class="o">=</span> <span class="o">{</span>
+ <span class="nx">path</span> <span class="o">:</span> <span class="nx">path</span><span class="o">,</span>
+ <span class="nx">value</span><span class="o">:</span> <span class="nx">valueHash</span><span class="o">[</span><span class="nx">k</span><span class="o">]</span>
+ <span class="o">};</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="nx">vals</span><span class="o">[</span><span class="nx">k</span><span class="o">]</span> <span class="o">=</span> <span class="nx">valueHash</span><span class="o">[</span><span class="nx">k</span><span class="o">];</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="k">return</span> <span class="o">{</span> <span class="nx">simple</span><span class="o">:</span><span class="nx">vals</span><span class="o">,</span> <span class="nx">complex</span><span class="o">:</span><span class="nx">subvals</span> <span class="o">};</span>
+ <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
+ <span class="k">return</span> <span class="kc">null</span><span class="o">;</span>
+ <span class="o">}</span>
+ <span class="o">},</span>
+
+ <span class="c">/**</span>
+<span class="c"> * Returns the initial value of the given attribute from</span>
+<span class="c"> * either the default configuration provided, or the </span>
+<span class="c"> * over-ridden value if it exists in the set of initValues </span>
+<span class="c"> * provided and the attribute is not read-only.</span>
+<span class="c"> *</span>
+<span class="c"> * @param {String} attr The name of the attribute</span>
+<span class="c"> * @param {Object} cfg The attribute configuration object</span>
+<span class="c"> * @param {Object} initValues The object with simple and complex attribute name/value pairs returned from _splitAttrVals</span>
+<span class="c"> *</span>
+<span class="c"> * @return {Any} The initial value of the attribute.</span>
+<span class="c"> *</span>
+<span class="c"> * @method _getAttrInitVal</span>
+<span class="c"> * @private</span>
+<span class="c"> */</span>
+ <span class="nx">_getAttrInitVal</span> <span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">attr</span><span class="o">,</span> <span class="nx">cfg</span><span class="o">,</span> <span class="nx">initValues</span><span class="o">)</span> <span class="o">{</span>
+
+ <span class="k">var</span> <span class="nx">val</span> <span class="o">=</span> <span class="o">(</span><span class="nx">cfg</span><span class="o">.</span><span class="nx">valueFn</span><span class="o">)</span> <span class="o">?</span> <span class="nx">cfg</span><span class="o">.</span><span class="nx">valueFn</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">)</span> <span class="o">:</span> <span class="nx">cfg</span><span class="o">.</span><span class="nx">value</span><span class="o">,</span>
+ <span class="nx">simple</span><span class="o">,</span>
+ <span class="nx">complex</span><span class="o">,</span>
+ <span class="nx">i</span><span class="o">,</span>
+ <span class="nx">l</span><span class="o">,</span>
+ <span class="nx">path</span><span class="o">,</span>
+ <span class="nx">subval</span><span class="o">,</span>
+ <span class="nx">subvals</span><span class="o">;</span>
+
+ <span class="k">if</span> <span class="o">(!</span><span class="nx">cfg</span><span class="o">.</span><span class="nx">readOnly</span> <span class="o">&&</span> <span class="nx">initValues</span><span class="o">)</span> <span class="o">{</span>
+
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Checking initValues in _getAttrIniVal: '</span> <span class="o">+</span> <span class="nx">attr</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+
+ <span class="c">// Simple Attributes</span>
+<span class="c"></span> <span class="nx">simple</span> <span class="o">=</span> <span class="nx">initValues</span><span class="o">.</span><span class="nx">simple</span><span class="o">;</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">simple</span> <span class="o">&&</span> <span class="nx">simple</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">attr</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">val</span> <span class="o">=</span> <span class="nx">simple</span><span class="o">[</span><span class="nx">attr</span><span class="o">];</span>
+ <span class="o">}</span>
+
+ <span class="c">// Complex Attributes (complex values applied, after simple, incase both are set)</span>
+<span class="c"></span> <span class="nx">complex</span> <span class="o">=</span> <span class="nx">initValues</span><span class="o">.</span><span class="nx">complex</span><span class="o">;</span>
+ <span class="k">if</span> <span class="o">(</span><span class="nx">complex</span> <span class="o">&&</span> <span class="nx">complex</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">attr</span><span class="o">))</span> <span class="o">{</span>
+ <span class="nx">subvals</span> <span class="o">=</span> <span class="nx">complex</span><span class="o">[</span><span class="nx">attr</span><span class="o">];</span>
+ <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">l</span> <span class="o">=</span> <span class="nx">subvals</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">l</span><span class="o">;</span> <span class="o">++</span><span class="nx">i</span><span class="o">)</span> <span class="o">{</span>
+ <span class="nx">path</span> <span class="o">=</span> <span class="nx">subvals</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">path</span><span class="o">;</span>
+ <span class="nx">subval</span> <span class="o">=</span> <span class="nx">subvals</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">value</span><span class="o">;</span>
+ <span class="nx">O</span><span class="o">.</span><span class="nx">setValue</span><span class="o">(</span><span class="nx">val</span><span class="o">,</span> <span class="nx">path</span><span class="o">,</span> <span class="nx">subval</span><span class="o">);</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+ <span class="o">}</span>
+
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'initValue for '</span> <span class="o">+</span> <span class="nx">attr</span> <span class="o">+</span> <span class="s1">':'</span> <span class="o">+</span> <span class="nx">val</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'attribute'</span><span class="o">);</span>
+
+ <span class="k">return</span> <span class="nx">val</span><span class="o">;</span>
+ <span class="o">}</span>
+ <span class="o">};</span>
+
+ <span class="c">// Basic prototype augment - no lazy constructor invocation.</span>
+<span class="c"></span> <span class="nx">Y</span><span class="o">.</span><span class="nx">mix</span><span class="o">(</span><span class="nx">Attribute</span><span class="o">,</span> <span class="nx">EventTarget</span><span class="o">,</span> <span class="kc">false</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="m">1</span><span class="o">);</span>
+
+ <span class="nx">Y</span><span class="o">.</span><span class="nx">Attribute</span> <span class="o">=</span> <span class="nx">Attribute</span><span class="o">;</span>
+</pre></div>
+ </div>
+ </div>
+ </div>
+ <div class="yui-b">
+ <div class="nav">
+
+ <div id="moduleList" class="module">
+ <h4>Modules</h4>
+ <ul class="content">
+ <li class=""><a href="module_anim.html" title="anim">anim</a></li>
+ <li class="selected"><a href="module_attribute.html" title="attribute">attribute</a></li>
+ <li class=""><a href="module_base.html" title="base">base</a></li>
+ <li class=""><a href="module_cache.html" title="cache">cache</a></li>
+ <li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li>
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+ <li class=""><a href="module_console.html" title="console">console</a></li>
+ <li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li>
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+ <li class=""><a href="module_datasource.html" title="datasource">datasource</a></li>
+ <li class=""><a href="module_datatype.html" title="datatype">datatype</a></li>
+ <li class=""><a href="module_dd.html" title="dd">dd</a></li>
+ <li class=""><a href="module_dom.html" title="dom">dom</a></li>
+ <li class=""><a href="module_dump.html" title="dump">dump</a></li>
+ <li class=""><a href="module_event.html" title="event">event</a></li>
+ <li class=""><a href="module_event-custom.html" title="event-custom">event-custom</a></li>
+ <li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li>
+ <li class=""><a href="module_history.html" title="history">history</a></li>
+ <li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li>
+ <li class=""><a href="module_io.html" title="io">io</a></li>
+ <li class=""><a href="module_json.html" title="json">json</a></li>
+ <li class=""><a href="module_node.html" title="node">node</a></li>
+ <li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li>
+ <li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li>
+ <li class=""><a href="module_oop.html" title="oop">oop</a></li>
+ <li class=""><a href="module_overlay.html" title="overlay">overlay</a></li>
+ <li class=""><a href="module_plugin.html" title="plugin">plugin</a></li>
+ <li class=""><a href="module_profiler.html" title="profiler">profiler</a></li>
+ <li class=""><a href="module_queue.html" title="queue">queue</a></li>
+ <li class=""><a href="module_slider.html" title="slider">slider</a></li>
+ <li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li>
+ <li class=""><a href="module_substitute.html" title="substitute">substitute</a></li>
+ <li class=""><a href="module_test.html" title="test">test</a></li>
+ <li class=""><a href="module_widget.html" title="widget">widget</a></li>
+ <li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li>
+ <li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li>
+ <li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li>
+ <li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li>
+ <li class=""><a href="module_yui.html" title="yui">yui</a></li>
+ </ul>
+ </div>
+
+ <div id="classList" class="module">
+ <h4>Classes</h4>
+ <ul class="content">
+ <li class=""><a href="Attribute.html" title="Attribute">Attribute</a></li>
+ <li class=""><a href="State.html" title="State">State</a></li>
+ </ul>
+ </div>
+
+ <div id="fileList" class="module">
+ <h4>Files</h4>
+ <ul class="content">
+ <li class="selected"><a href="Attribute.js.html" title="Attribute.js">Attribute.js</a></li>
+ <li class=""><a href="State.js.html" title="State.js">State.js</a></li>
+ </ul>
+ </div>
+
+
+
+
+
+ </div>
+ </div>
+ </div>
+ <div id="ft">
+ <hr />
+ Copyright © 2009 Yahoo! Inc. All rights reserved.
+ </div>
+</div>
+<script type="text/javascript">
+ ALL_YUI_PROPS = [{"access": "", "host": "State", "name": "add", "url": "State.html#method_add", "type": "method"}, {"access": "", "host": "State", "name": "addAll", "url": "State.html#method_addAll", "type": "method"}, {"access": "", "host": "Attribute", "name": "addAttr", "url": "Attribute.html#method_addAttr", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_addAttrs", "url": "Attribute.html#method__addAttrs", "type": "method"}, {"access": "", "host": "Attribute", "name": "addAttrs", "url": "Attribute.html#method_addAttrs", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_addLazyAttr", "url": "Attribute.html#method__addLazyAttr", "type": "method"}, {"access": "", "host": "Attribute", "name": "attrAdded", "url": "Attribute.html#method_attrAdded", "type": "method"}, {"access": "protected", "host": "Attribute", "name": "Attribute._ATTR_CFG", "url": "Attribute.html#property_Attribute._ATTR_CFG", "type": "property"}, {"access": "", "host": "Attribute", "name": "Attribute.INVALID_VALUE", "url": "Attribute.html#property_Attribute.INVALID_VALUE", "type": "property"}, {"access": "", "host": "State", "name": "data", "url": "State.html#property_data", "type": "property"}, {"access": "private", "host": "Attribute", "name": "_defAttrChangeFn", "url": "Attribute.html#method__defAttrChangeFn", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_fireAttrChange", "url": "Attribute.html#method__fireAttrChange", "type": "method"}, {"access": "", "host": "Attribute", "name": "get", "url": "Attribute.html#method_get", "type": "method"}, {"access": "", "host": "State", "name": "get", "url": "State.html#method_get", "type": "method"}, {"access": "", "host": "State", "name": "getAll", "url": "State.html#method_getAll", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_getAttrInitVal", "url": "Attribute.html#method__getAttrInitVal", "type": "method"}, {"access": "", "host": "Attribute", "name": "getAttrs", "url": "Attribute.html#method_getAttrs", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_isLazyAttr", "url": "Attribute.html#method__isLazyAttr", "type": "method"}, {"access": "", "host": "Attribute", "name": "modifyAttr", "url": "Attribute.html#method_modifyAttr", "type": "method"}, {"access": "", "host": "State", "name": "remove", "url": "State.html#method_remove", "type": "method"}, {"access": "", "host": "State", "name": "removeAll", "url": "State.html#method_removeAll", "type": "method"}, {"access": "", "host": "Attribute", "name": "removeAttr", "url": "Attribute.html#method_removeAttr", "type": "method"}, {"access": "", "host": "Attribute", "name": "reset", "url": "Attribute.html#method_reset", "type": "method"}, {"access": "protected", "host": "Attribute", "name": "_set", "url": "Attribute.html#method__set", "type": "method"}, {"access": "", "host": "Attribute", "name": "set", "url": "Attribute.html#method_set", "type": "method"}, {"access": "protected", "host": "Attribute", "name": "_setAttr", "url": "Attribute.html#method__setAttr", "type": "method"}, {"access": "", "host": "Attribute", "name": "setAttrs", "url": "Attribute.html#method_setAttrs", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_setAttrVal", "url": "Attribute.html#method__setAttrVal", "type": "method"}, {"access": "private", "host": "Attribute", "name": "_splitAttrVals", "url": "Attribute.html#method__splitAttrVals", "type": "method"}];
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