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+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="utf-8">
+ <title>Example: Drag - Interaction Groups</title>
+ <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic">
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+<div id="doc">
+ <div id="hd">
+ <h1><img src="http://yuilibrary.com/img/yui-logo.png"></h1>
+ </div>
+
+ <a href="#toc" class="jump">Jump to Table of Contents</a>
+
+
+ <h1>Example: Drag - Interaction Groups</h1>
+ <div class="yui3-g">
+ <div class="yui3-u-3-4">
+ <div id="main">
+ <div class="content"><div class="intro">
+<p>This example shows a simple drag interaction that doesn't require a drop interaction.</p>
+</div>
+
+<div class="example">
+ <style>
+ .slot {
+ border: 2px solid #808080;
+ background-color: #CDCDCD;
+ color: #666666;
+ text-align: center;
+ position: relative;
+ float: left;
+ margin: 4px;
+ width: 60px;
+ height: 60px;
+ z-index: 0;
+}
+.player {
+ border: 2px solid #808080;
+ color: #ffffff;
+ text-align: center;
+ position: relative;
+ float: left;
+ margin: 4px;
+ width: 60px;
+ height: 60px;
+ top: 150px;
+ z-index: 1;
+ cursor: move;
+}
+#pt1 {
+ clear: both;
+}
+.bottom {
+ top: 50px;
+}
+
+#pt1, #pt2 {
+ background-color: #71241A;
+}
+#pb1, #pb2 {
+ background-color: #004C6D;
+}
+
+#pboth1, #pboth2 {
+ background-color: #FFA928;
+}
+
+#workarea {
+ position: relative;
+ height: 300px;
+ width: 500px;
+}
+#workarea .yui3-dd-drop-active-valid {
+ border: 2px solid green;
+}
+#workarea .yui3-dd-drop-over {
+ background-color: green;
+}
+#workarea .yui3-dd-drop-active-invalid {
+ border: 2px solid red;
+}
+
+</style>
+
+<div id="workarea">
+ <div class="slot" id="t1">1</div>
+ <div class="slot bottom" id="b1">3</div>
+ <div class="slot bottom" id="b2">4</div>
+ <div class="slot bottom" id="b3">5</div>
+ <div class="slot bottom" id="b4">6</div>
+ <div class="slot" id="t2">2</div>
+ <div class="player" id="pt1">1</div>
+ <div class="player" id="pt2">2</div>
+ <div class="player" id="pb1">3</div>
+ <div class="player" id="pb2">4</div>
+ <div class="player" id="pboth1">5</div>
+ <div class="player" id="pboth2">6</div>
+</div>
+
+
+
+<script>
+ YUI().use('dd-drop', 'dd-proxy', 'dd-constrain', function(Y) {
+
+ var slots = Y.one('#workarea').all('.slot');
+ Y.each(slots, function(v, k) {
+ var id = v.get('id'), groups = ['two'];
+ switch (id) {
+ case 't1':
+ case 't2':
+ groups = ['one'];
+ break;
+ }
+ var drop = new Y.DD.Drop({
+ node: v,
+ groups: groups
+ });
+ });
+
+ var players = Y.one('#workarea').all('.player');
+ Y.each(players, function(v, k) {
+ var id = v.get('id'), groups = ['one', 'two'];
+ switch (id) {
+ case 'pt1':
+ case 'pt2':
+ groups = ['one'];
+ break;
+ case 'pb1':
+ case 'pb2':
+ groups = ['two'];
+ break;
+ }
+ var drag = new Y.DD.Drag({
+ node: v,
+ groups: groups
+ }).plug(Y.Plugin.DDProxy, {
+ moveOnEnd: false
+ }).plug(Y.Plugin.DDConstrained, {
+ constrain2node: '#workarea'
+ });
+ drag.on('drag:start', function() {
+ var p = this.get('dragNode'),
+ n = this.get('node');
+ n.setStyle('opacity', .25);
+ if (!this._playerStart) {
+ this._playerStart = this.nodeXY;
+ }
+ p.set('innerHTML', n.get('innerHTML'));
+ p.setStyles({
+ backgroundColor: n.getStyle('backgroundColor'),
+ color: n.getStyle('color'),
+ opacity: .65
+ });
+ });
+ drag.on('drag:end', function() {
+ var n = this.get('node');
+ n.setStyle('opacity', '1');
+ });
+ drag.on('drag:drophit', function(e) {
+ var xy = e.drop.get('node').getXY();
+ this.get('node').setXY(xy, Y.UA.ie);
+ });
+ drag.on('drag:dropmiss', function(e) {
+ if (this._playerStart) {
+ this.get('node').setXY(this._playerStart, Y.UA.ie);
+ this._playerStart = null;
+ }
+ });
+ });
+});
+
+
+</script>
+
+</div>
+
+<h3 id="setting-up-the-work-area">Setting up the Work Area</h3>
+<p>First we need to create the work area, players (drags) and slots (drops).</p>
+
+<pre class="code prettyprint"><div id="workarea">
+ <div class="slot" id="t1">1</div>
+ <div class="slot bottom" id="b1">3</div>
+ <div class="slot bottom" id="b2">4</div>
+ <div class="slot bottom" id="b3">5</div>
+ <div class="slot bottom" id="b4">6</div>
+ <div class="slot" id="t2">2</div>
+ <div class="player" id="pt1">1</div>
+ <div class="player" id="pt2">2</div>
+ <div class="player" id="pb1">3</div>
+ <div class="player" id="pb2">4</div>
+ <div class="player" id="pboth1">5</div>
+ <div class="player" id="pboth2">6</div>
+</div></pre>
+
+
+<p>Now we give them some CSS to make them visible.</p>
+
+<pre class="code prettyprint">.slot {
+ border: 2px solid #808080;
+ background-color: #CDCDCD;
+ color: #666666;
+ text-align: center;
+ position: relative;
+ float: left;
+ margin: 4px;
+ width: 60px;
+ height: 60px;
+ z-index: 0;
+}
+.player {
+ border: 2px solid #808080;
+ color: #ffffff;
+ text-align: center;
+ position: relative;
+ float: left;
+ margin: 4px;
+ width: 60px;
+ height: 60px;
+ top: 150px;
+ z-index: 1;
+ cursor: move;
+}
+#pt1 {
+ clear: both;
+}
+.bottom {
+ top: 50px;
+}
+
+#pt1, #pt2 {
+ background-color: #71241A;
+}
+#pb1, #pb2 {
+ background-color: #004C6D;
+}
+
+#pboth1, #pboth2 {
+ background-color: #FFA928;
+}
+
+#workarea {
+ position: relative;
+ height: 300px;
+ width: 500px;
+}
+#workarea .yui3-dd-drop-active-valid {
+ border: 2px solid green;
+}
+#workarea .yui3-dd-drop-over {
+ background-color: green;
+}
+#workarea .yui3-dd-drop-active-invalid {
+ border: 2px solid red;
+}</pre>
+
+
+<h4 id="setting-up-the-yui-instance">Setting up the YUI Instance</h4>
+<p>Now we need to create our YUI instance and tell it to load the <code>dd-drop</code>, <code>dd-proxy</code> and <code>dd-constrain</code> modules.</p>
+
+<pre class="code prettyprint">YUI().use('dd-drop', 'dd-proxy', 'dd-constrain');</pre>
+
+
+<h4 id="setting-up-the-drop-targets">Setting up the Drop Targets</h4>
+<p>Now that we have a YUI instance with the requested modules, we are going to create our Drop Targets.</p>
+
+<pre class="code prettyprint">YUI().use('dd-drop', 'dd-proxy', 'dd-constrain', function(Y) {
+ //Get all the nodes with the class of .slot under #workarea
+ var slots = Y.one('#workarea').all('.slot');
+ //Loop through them
+ Y.each(slots, function(v, k) {
+ var id = v.get('id'), groups = ['two'];
+ //Assign them to different groups
+ switch (id) {
+ case 't1':
+ case 't2':
+ groups = ['one'];
+ break;
+ }
+ //Create the Drop object
+ var drop = new Y.DD.Drop({
+ node: v,
+ //With the new groups array as a config option
+ groups: groups
+ });
+ });
+});</pre>
+
+
+<h4 id="setting-up-the-drag-nodes">Setting up the Drag Nodes</h4>
+<p>Now we need to create the Drag Nodes and assign them to the proper group.</p>
+
+<pre class="code prettyprint">YUI().use('dd-drop', 'dd-proxy', 'dd-constrain', function(Y) {
+ //Snipped
+ var players = Y.one('#workarea').all('.player');
+ Y.each(players, function(v, k) {
+ var id = v.get('id'), groups = ['one', 'two'];
+ switch (id) {
+ case 'pt1':
+ case 'pt2':
+ groups = ['one'];
+ break;
+ case 'pb1':
+ case 'pb2':
+ groups = ['two'];
+ break;
+ }
+ var drag = new Y.DD.Drag({
+ node: v,
+ //Assign the Groups
+ groups: groups,
+ //Use Intersect Mode for the Target Calculations
+ dragMode: 'intersect',
+ }).plug(Y.Plugin.DDProxy, {
+ //We don't want the node to move on end drag
+ moveOnEnd: false
+ }).plug(Y.Plugin.DDConstrained, {
+ //Keep me inside the workarea
+ constrain2node: '#workarea'
+ });
+});</pre>
+
+
+<h4 id="handling-the-drops-and-moments">Handling the Drops and Moments</h4>
+<p>Now we are going to listen for the following Drag Events: <code>drag:start, drag:end, drag:drophit, drag:dropmiss</code></p>
+
+<pre class="code prettyprint">drag.on('drag:start', function() {
+ //In this event we setup some styles to make the nodes look pretty
+ var p = this.get('dragNode'),
+ n = this.get('node');
+ n.setStyle('opacity', .25);
+ if (!this._playerStart) {
+ this._playerStart = this.nodeXY;
+ }
+ //Put the Drag's HTML inside the proxy
+ p.set('innerHTML', n.get('innerHTML'));
+ //set some styles on the proxy
+ p.setStyles({
+ backgroundColor: n.getStyle('backgroundColor'),
+ color: n.getStyle('color'),
+ opacity: .65
+ });
+});
+drag.on('drag:end', function() {
+ //Undo some of the styles from the start
+ var n = this.get('node');
+ n.setStyle('opacity', '1');
+});
+drag.on('drag:drophit', function(e) {
+ //If we drop on a target, move to its position
+ var xy = e.drop.get('node').getXY();
+ this.get('node').setXY(xy);
+});
+drag.on('drag:dropmiss', function(e) {
+ //If we miss a target, move back to our start position
+ if (this._playerStart) {
+ this.get('node').setXY(this._playerStart);
+ this._playerStart = null;
+ }
+});</pre>
+
+
+<h4 id="full-javascript-code">Full Javascript Code</h4>
+<pre class="code prettyprint">YUI().use('dd-drop', 'dd-proxy', 'dd-constrain', function(Y) {
+
+ var slots = Y.one('#workarea').all('.slot');
+ Y.each(slots, function(v, k) {
+ var id = v.get('id'), groups = ['two'];
+ switch (id) {
+ case 't1':
+ case 't2':
+ groups = ['one'];
+ break;
+ }
+ var drop = new Y.DD.Drop({
+ node: v,
+ groups: groups
+ });
+ });
+
+ var players = Y.one('#workarea').all('.player');
+ Y.each(players, function(v, k) {
+ var id = v.get('id'), groups = ['one', 'two'];
+ switch (id) {
+ case 'pt1':
+ case 'pt2':
+ groups = ['one'];
+ break;
+ case 'pb1':
+ case 'pb2':
+ groups = ['two'];
+ break;
+ }
+ var drag = new Y.DD.Drag({
+ node: v,
+ groups: groups
+ }).plug(Y.Plugin.DDProxy, {
+ moveOnEnd: false
+ }).plug(Y.Plugin.DDConstrained, {
+ constrain2node: '#workarea'
+ });
+ drag.on('drag:start', function() {
+ var p = this.get('dragNode'),
+ n = this.get('node');
+ n.setStyle('opacity', .25);
+ if (!this._playerStart) {
+ this._playerStart = this.nodeXY;
+ }
+ p.set('innerHTML', n.get('innerHTML'));
+ p.setStyles({
+ backgroundColor: n.getStyle('backgroundColor'),
+ color: n.getStyle('color'),
+ opacity: .65
+ });
+ });
+ drag.on('drag:end', function() {
+ var n = this.get('node');
+ n.setStyle('opacity', '1');
+ });
+ drag.on('drag:drophit', function(e) {
+ var xy = e.drop.get('node').getXY();
+ this.get('node').setXY(xy, Y.UA.ie);
+ });
+ drag.on('drag:dropmiss', function(e) {
+ if (this._playerStart) {
+ this.get('node').setXY(this._playerStart, Y.UA.ie);
+ this._playerStart = null;
+ }
+ });
+ });
+});</pre>
+
+</div>
+ </div>
+ </div>
+
+ <div class="yui3-u-1-4">
+ <div class="sidebar">
+
+ <div id="toc" class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Table of Contents</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="toc">
+<li>
+<a href="#setting-up-the-work-area">Setting up the Work Area</a>
+<ul class="toc">
+<li>
+<a href="#setting-up-the-yui-instance">Setting up the YUI Instance</a>
+</li>
+<li>
+<a href="#setting-up-the-drop-targets">Setting up the Drop Targets</a>
+</li>
+<li>
+<a href="#setting-up-the-drag-nodes">Setting up the Drag Nodes</a>
+</li>
+<li>
+<a href="#handling-the-drops-and-moments">Handling the Drops and Moments</a>
+</li>
+<li>
+<a href="#full-javascript-code">Full Javascript Code</a>
+</li>
+</ul>
+</li>
+</ul>
+ </div>
+ </div>
+
+
+
+ <div class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Examples</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="examples">
+
+
+ <li data-description="A simple drag interaction that doesn't require a drop interaction.">
+ <a href="simple-drag.html">Simple Drag</a>
+ </li>
+
+
+
+ <li data-description="How to apply the Drag Plugin to a node.">
+ <a href="drag-plugin.html">Drag - Node plugin</a>
+ </li>
+
+
+
+ <li data-description="A simple proxy drag interaction that doesn't require a drop interaction.">
+ <a href="proxy-drag.html">Drag - Proxy</a>
+ </li>
+
+
+
+ <li data-description="How to constrain a draggable Node to another Node's region.">
+ <a href="constrained-drag.html">Drag - Constrained to a Region</a>
+ </li>
+
+
+
+ <li data-description="Using interaction groups, this example demonstrates how to tie into the Drag & Drop Utility's interesting moments to provide visual affordances for the current drag operation.">
+ <a href="groups-drag.html">Drag - Interaction Groups</a>
+ </li>
+
+
+
+ <li data-description="The use of the drag shim when dragging nodes over other troublesome nodes.">
+ <a href="shim-drag.html">Using the Drag Shim</a>
+ </li>
+
+
+
+ <li data-description="How to use the Drop Target events to code your application.">
+ <a href="drop-code.html">Using Drop Based Coding</a>
+ </li>
+
+
+
+ <li data-description="How you can use the DD Scroll plugin to scroll the browser window as you drag.">
+ <a href="winscroll.html">Window Scrolling</a>
+ </li>
+
+
+
+ <li data-description="How to use DD.Delegate to create a scalable solution which supports multiple draggable items.">
+ <a href="delegate.html">Drag Delegation</a>
+ </li>
+
+
+
+ <li data-description="Using DD.Delegate to support dragging multiple items and dropping them onto a Drop Target.">
+ <a href="delegate-drop.html">Drag Delegation with a Drop Target</a>
+ </li>
+
+
+
+ <li data-description="How to use Drag plugins with a DD Delegate based solution.">
+ <a href="delegate-plugins.html">Using Drag Plugins with Delegate</a>
+ </li>
+
+
+
+ <li data-description="This example shows how to make a sortable list using Custom Event Bubbling.">
+ <a href="list-drag.html">List Reorder w/Bubbling</a>
+ </li>
+
+
+
+ <li data-description="This example shows how to make a sortable list using Custom Event Bubbling and Node Scrolling.">
+ <a href="scroll-list.html">List Reorder w/Scrolling</a>
+ </li>
+
+
+
+ <li data-description="How to make an animated node a Drop target.">
+ <a href="anim-drop.html">Animated Drop Targets</a>
+ </li>
+
+
+
+ <li data-description="Example Photo Browser application.">
+ <a href="photo-browser.html">Photo Browser</a>
+ </li>
+
+
+
+ <li data-description="Portal style example using Drag & Drop Event Bubbling and Animation.">
+ <a href="portal-drag.html">Portal Style Example</a>
+ </li>
+
+
+
+
+
+
+ </ul>
+ </div>
+ </div>
+
+
+
+ <div class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Examples That Use This Component</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="examples">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ <li data-description="Working with multiple YUI instances.">
+ <a href="../yui/yui-multi.html">Multiple Instances</a>
+ </li>
+
+
+
+ <li data-description="Use StyleSheet to adjust the CSS rules applying a page theme from user input">
+ <a href="../stylesheet/stylesheet-theme.html">Adjusting a Page Theme on the Fly</a>
+ </li>
+
+
+ </ul>
+ </div>
+ </div>
+
+ </div>
+ </div>
+ </div>
+</div>
+
+<script src="../assets/vendor/prettify/prettify-min.js"></script>
+<script>prettyPrint();</script>
+
+<script>
+YUI.Env.Tests = {
+ examples: [],
+ project: '../assets',
+ assets: '../assets/dd',
+ name: 'groups-drag',
+ title: 'Drag - Interaction Groups',
+ newWindow: '',
+ auto: false
+};
+YUI.Env.Tests.examples.push('simple-drag');
+YUI.Env.Tests.examples.push('drag-plugin');
+YUI.Env.Tests.examples.push('proxy-drag');
+YUI.Env.Tests.examples.push('constrained-drag');
+YUI.Env.Tests.examples.push('groups-drag');
+YUI.Env.Tests.examples.push('shim-drag');
+YUI.Env.Tests.examples.push('drop-code');
+YUI.Env.Tests.examples.push('winscroll');
+YUI.Env.Tests.examples.push('delegate');
+YUI.Env.Tests.examples.push('delegate-drop');
+YUI.Env.Tests.examples.push('delegate-plugins');
+YUI.Env.Tests.examples.push('list-drag');
+YUI.Env.Tests.examples.push('scroll-list');
+YUI.Env.Tests.examples.push('anim-drop');
+YUI.Env.Tests.examples.push('photo-browser');
+YUI.Env.Tests.examples.push('portal-drag');
+YUI.Env.Tests.examples.push('yui-multi');
+YUI.Env.Tests.examples.push('stylesheet-theme');
+
+</script>
+<script src="../assets/yui/test-runner.js"></script>
+
+
+
+</body>
+</html>