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/* |
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Copyright (c) 2009, Yahoo! Inc. All rights reserved. |
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Code licensed under the BSD License: |
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http://developer.yahoo.net/yui/license.txt |
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version: 3.0.0 |
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build: 1549 |
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*/ |
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YUI.add('dd-drag', function(Y) { |
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/** |
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* The Drag & Drop Utility allows you to create a draggable interface efficiently, buffering you from browser-level abnormalities and enabling you to focus on the interesting logic surrounding your particular implementation. This component enables you to create a variety of standard draggable objects with just a few lines of code and then, using its extensive API, add your own specific implementation logic. |
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* @module dd |
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* @submodule dd-drag |
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*/ |
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/** |
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* This class provides the ability to drag a Node. |
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* @class Drag |
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* @extends Base |
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* @constructor |
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* @namespace DD |
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*/ |
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var DDM = Y.DD.DDM, |
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NODE = 'node', |
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DRAGGING = 'dragging', |
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DRAG_NODE = 'dragNode', |
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OFFSET_HEIGHT = 'offsetHeight', |
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OFFSET_WIDTH = 'offsetWidth', |
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MOUSE_UP = 'mouseup', |
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MOUSE_DOWN = 'mousedown', |
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DRAG_START = 'dragstart', |
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/** |
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* @event drag:mouseDown |
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* @description Handles the mousedown DOM event, checks to see if you have a valid handle then starts the drag timers. |
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* @preventable _defMouseDownFn |
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* @param {Event.Facade} ev The mousedown event. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_MOUSE_DOWN = 'drag:mouseDown', |
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/** |
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* @event drag:afterMouseDown |
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* @description Fires after the mousedown event has been cleared. |
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* @param {Event.Facade} ev The mousedown event. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_AFTER_MOUSE_DOWN = 'drag:afterMouseDown', |
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/** |
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* @event drag:removeHandle |
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* @description Fires after a handle is removed. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_REMOVE_HANDLE = 'drag:removeHandle', |
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/** |
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* @event drag:addHandle |
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* @description Fires after a handle is added. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_ADD_HANDLE = 'drag:addHandle', |
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/** |
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* @event drag:removeInvalid |
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* @description Fires after an invalid selector is removed. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_REMOVE_INVALID = 'drag:removeInvalid', |
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/** |
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* @event drag:addInvalid |
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* @description Fires after an invalid selector is added. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_ADD_INVALID = 'drag:addInvalid', |
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/** |
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* @event drag:start |
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* @description Fires at the start of a drag operation. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_START = 'drag:start', |
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/** |
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* @event drag:end |
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* @description Fires at the end of a drag operation. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_END = 'drag:end', |
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/** |
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* @event drag:drag |
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* @description Fires every mousemove during a drag operation. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_DRAG = 'drag:drag', |
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/** |
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* @event drag:align |
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* @preventable _defAlignFn |
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* @description Fires when this node is aligned. |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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EV_ALIGN = 'drag:align', |
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/** |
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* @event drag:over |
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* @description Fires when this node is over a Drop Target. (Fired from dd-drop) |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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/** |
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* @event drag:enter |
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* @description Fires when this node enters a Drop Target. (Fired from dd-drop) |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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/** |
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* @event drag:exit |
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* @description Fires when this node exits a Drop Target. (Fired from dd-drop) |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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/** |
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* @event drag:drophit |
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* @description Fires when this node is dropped on a valid Drop Target. (Fired from dd-ddm-drop) |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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/** |
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* @event drag:dropmiss |
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* @description Fires when this node is dropped on an invalid Drop Target. (Fired from dd-ddm-drop) |
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* @bubbles DDM |
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* @type {Event.Custom} |
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*/ |
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Drag = function(o) { |
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this._lazyAddAttrs = false; |
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Drag.superclass.constructor.apply(this, arguments); |
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var valid = DDM._regDrag(this); |
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if (!valid) { |
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Y.error('Failed to register node, already in use: ' + o.node); |
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} |
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}; |
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Drag.NAME = 'drag'; |
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Drag.ATTRS = { |
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/** |
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* @attribute node |
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* @description Y.Node instanace to use as the element to initiate a drag operation |
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* @type Node |
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*/ |
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node: { |
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setter: function(node) { |
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var n = Y.get(node); |
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if (!n) { |
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Y.error('DD.Drag: Invalid Node Given: ' + node); |
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} else { |
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n = n.item(0); |
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} |
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return n; |
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} |
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}, |
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/** |
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* @attribute dragNode |
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* @description Y.Node instanace to use as the draggable element, defaults to node |
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* @type Node |
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*/ |
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dragNode: { |
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setter: function(node) { |
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var n = Y.Node.get(node); |
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if (!n) { |
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Y.error('DD.Drag: Invalid dragNode Given: ' + node); |
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} |
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return n; |
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} |
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}, |
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/** |
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* @attribute offsetNode |
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* @description Offset the drag element by the difference in cursor position: default true |
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* @type Boolean |
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*/ |
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offsetNode: { |
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value: true |
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}, |
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/** |
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* @attribute clickPixelThresh |
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* @description The number of pixels to move to start a drag operation, default is 3. |
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* @type Number |
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*/ |
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clickPixelThresh: { |
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value: DDM.get('clickPixelThresh') |
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}, |
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/** |
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* @attribute clickTimeThresh |
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* @description The number of milliseconds a mousedown has to pass to start a drag operation, default is 1000. |
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* @type Number |
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*/ |
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clickTimeThresh: { |
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value: DDM.get('clickTimeThresh') |
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}, |
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/** |
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* @attribute lock |
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* @description Set to lock this drag element so that it can't be dragged: default false. |
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* @type Boolean |
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*/ |
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lock: { |
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value: false, |
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setter: function(lock) { |
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if (lock) { |
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this.get(NODE).addClass(DDM.CSS_PREFIX + '-locked'); |
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} else { |
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this.get(NODE).removeClass(DDM.CSS_PREFIX + '-locked'); |
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} |
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return lock; |
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} |
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}, |
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/** |
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* @attribute data |
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* @description A payload holder to store arbitrary data about this drag object, can be used to store any value. |
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* @type Mixed |
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*/ |
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data: { |
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value: false |
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}, |
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/** |
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* @attribute move |
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* @description If this is false, the drag element will not move with the cursor: default true. Can be used to "resize" the element. |
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* @type Boolean |
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*/ |
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move: { |
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value: true |
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}, |
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/** |
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* @attribute useShim |
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* @description Use the protective shim on all drag operations: default true. Only works with dd-ddm, not dd-ddm-base. |
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* @type Boolean |
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*/ |
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useShim: { |
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value: true |
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}, |
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/** |
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* @attribute activeHandle |
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* @description This config option is set by Drag to inform you of which handle fired the drag event (in the case that there are several handles): default false. |
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* @type Node |
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*/ |
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activeHandle: { |
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value: false |
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}, |
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/** |
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* @attribute primaryButtonOnly |
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* @description By default a drag operation will only begin if the mousedown occurred with the primary mouse button. Setting this to false will allow for all mousedown events to trigger a drag. |
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* @type Boolean |
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*/ |
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primaryButtonOnly: { |
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value: true |
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}, |
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/** |
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* @attribute dragging |
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* @description This attribute is not meant to be used by the implementor, it is meant to be used as an Event tracker so you can listen for it to change. |
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* @type Boolean |
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*/ |
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dragging: { |
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value: false |
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}, |
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parent: { |
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value: false |
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}, |
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/** |
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* @attribute target |
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* @description This attribute only works if the dd-drop module has been loaded. It will make this node a drop target as well as draggable. |
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* @type Boolean |
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*/ |
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target: { |
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value: false, |
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setter: function(config) { |
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this._handleTarget(config); |
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return config; |
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} |
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}, |
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/** |
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* @attribute dragMode |
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* @description This attribute only works if the dd-drop module is active. It will set the dragMode (point, intersect, strict) of this Drag instance. |
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* @type String |
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*/ |
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dragMode: { |
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value: null, |
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setter: function(mode) { |
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return DDM._setDragMode(mode); |
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} |
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}, |
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/** |
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* @attribute groups |
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* @description Array of groups to add this drag into. |
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* @type Array |
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*/ |
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groups: { |
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value: ['default'], |
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getter: function() { |
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if (!this._groups) { |
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this._groups = {}; |
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} |
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var ret = []; |
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Y.each(this._groups, function(v, k) { |
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ret[ret.length] = k; |
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}); |
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return ret; |
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}, |
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setter: function(g) { |
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this._groups = {}; |
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Y.each(g, function(v, k) { |
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this._groups[v] = true; |
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}, this); |
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return g; |
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} |
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}, |
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/** |
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* @attribute handles |
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* @description Array of valid handles to add. Adding something here will set all handles, even if previously added with addHandle |
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* @type Array |
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*/ |
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handles: { |
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value: null, |
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setter: function(g) { |
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if (g) { |
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this._handles = {}; |
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Y.each(g, function(v, k) { |
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this._handles[v] = true; |
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}, this); |
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} else { |
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this._handles = null; |
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} |
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return g; |
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} |
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}, |
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/** |
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* @attribute bubbles |
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* @description Controls the default bubble parent for this Drag instance. Default: Y.DD.DDM. Set to false to disable bubbling. |
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* @type Object |
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*/ |
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bubbles: { |
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writeOnce: true, |
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value: Y.DD.DDM |
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} |
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}; |
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Y.extend(Drag, Y.Base, { |
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/** |
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* @method addToGroup |
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* @description Add this Drag instance to a group, this should be used for on-the-fly group additions. |
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* @param {String} g The group to add this Drag Instance to. |
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* @return {Self} |
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* @chainable |
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*/ |
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addToGroup: function(g) { |
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this._groups[g] = true; |
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DDM._activateTargets(); |
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return this; |
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}, |
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/** |
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* @method removeFromGroup |
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* @description Remove this Drag instance from a group, this should be used for on-the-fly group removals. |
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* @param {String} g The group to remove this Drag Instance from. |
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* @return {Self} |
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* @chainable |
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*/ |
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removeFromGroup: function(g) { |
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delete this._groups[g]; |
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DDM._activateTargets(); |
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return this; |
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}, |
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/** |
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* @property target |
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* @description This will be a reference to the Drop instance associated with this drag if the target: true config attribute is set.. |
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* @type {Object} |
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*/ |
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target: null, |
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/** |
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* @private |
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* @method _handleTarget |
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* @description Attribute handler for the target config attribute. |
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* @param {Boolean/Object} |
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* @return {Boolean/Object} |
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*/ |
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_handleTarget: function(config) { |
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if (Y.DD.Drop) { |
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if (config === false) { |
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if (this.target) { |
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DDM._unregTarget(this.target); |
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this.target = null; |
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} |
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return false; |
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} else { |
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if (!Y.Lang.isObject(config)) { |
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config = {}; |
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} |
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config.bubbles = ('bubbles' in config) ? config.bubbles : this.get('bubbles'); |
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config.node = this.get(NODE); |
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config.groups = config.groups || this.get('groups'); |
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this.target = new Y.DD.Drop(config); |
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} |
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} else { |
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return false; |
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} |
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}, |
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/** |
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* @private |
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* @property _groups |
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* @description Storage Array for the groups this drag belongs to. |
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* @type {Array} |
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*/ |
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_groups: null, |
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/** |
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* @private |
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* @method _createEvents |
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|
419 |
* @description This method creates all the events for this Event Target and publishes them so we get Event Bubbling. |
|
|
420 |
*/ |
|
|
421 |
_createEvents: function() { |
|
|
422 |
|
|
|
423 |
this.publish(EV_MOUSE_DOWN, { |
|
|
424 |
defaultFn: this._defMouseDownFn, |
|
|
425 |
queuable: false, |
|
|
426 |
emitFacade: true, |
|
|
427 |
bubbles: true, |
|
|
428 |
prefix: 'drag' |
|
|
429 |
}); |
|
|
430 |
|
|
|
431 |
this.publish(EV_ALIGN, { |
|
|
432 |
defaultFn: this._defAlignFn, |
|
|
433 |
queuable: false, |
|
|
434 |
emitFacade: true, |
|
|
435 |
bubbles: true, |
|
|
436 |
prefix: 'drag' |
|
|
437 |
}); |
|
|
438 |
|
|
|
439 |
this.publish(EV_DRAG, { |
|
|
440 |
defaultFn: this._defDragFn, |
|
|
441 |
queuable: false, |
|
|
442 |
emitFacade: true, |
|
|
443 |
bubbles: true, |
|
|
444 |
prefix: 'drag' |
|
|
445 |
}); |
|
|
446 |
|
|
|
447 |
this.publish(EV_END, { |
|
|
448 |
preventedFn: this._prevEndFn, |
|
|
449 |
queuable: false, |
|
|
450 |
emitFacade: true, |
|
|
451 |
bubbles: true, |
|
|
452 |
prefix: 'drag' |
|
|
453 |
}); |
|
|
454 |
|
|
|
455 |
var ev = [ |
|
|
456 |
EV_AFTER_MOUSE_DOWN, |
|
|
457 |
EV_REMOVE_HANDLE, |
|
|
458 |
EV_ADD_HANDLE, |
|
|
459 |
EV_REMOVE_INVALID, |
|
|
460 |
EV_ADD_INVALID, |
|
|
461 |
EV_START, |
|
|
462 |
'drag:drophit', |
|
|
463 |
'drag:dropmiss', |
|
|
464 |
'drag:over', |
|
|
465 |
'drag:enter', |
|
|
466 |
'drag:exit' |
|
|
467 |
]; |
|
|
468 |
|
|
|
469 |
Y.each(ev, function(v, k) { |
|
|
470 |
this.publish(v, { |
|
|
471 |
type: v, |
|
|
472 |
emitFacade: true, |
|
|
473 |
bubbles: true, |
|
|
474 |
preventable: false, |
|
|
475 |
queuable: false, |
|
|
476 |
prefix: 'drag' |
|
|
477 |
}); |
|
|
478 |
}, this); |
|
|
479 |
|
|
|
480 |
if (this.get('bubbles')) { |
|
|
481 |
this.addTarget(this.get('bubbles')); |
|
|
482 |
} |
|
|
483 |
|
|
|
484 |
|
|
|
485 |
}, |
|
|
486 |
/** |
|
|
487 |
* @private |
|
|
488 |
* @property _ev_md |
|
|
489 |
* @description A private reference to the mousedown DOM event |
|
|
490 |
* @type {Event.Facade} |
|
|
491 |
*/ |
|
|
492 |
_ev_md: null, |
|
|
493 |
/** |
|
|
494 |
* @private |
|
|
495 |
* @property _startTime |
|
|
496 |
* @description The getTime of the mousedown event. Not used, just here in case someone wants/needs to use it. |
|
|
497 |
* @type Date |
|
|
498 |
*/ |
|
|
499 |
_startTime: null, |
|
|
500 |
/** |
|
|
501 |
* @private |
|
|
502 |
* @property _endTime |
|
|
503 |
* @description The getTime of the mouseup event. Not used, just here in case someone wants/needs to use it. |
|
|
504 |
* @type Date |
|
|
505 |
*/ |
|
|
506 |
_endTime: null, |
|
|
507 |
/** |
|
|
508 |
* @private |
|
|
509 |
* @property _handles |
|
|
510 |
* @description A private hash of the valid drag handles |
|
|
511 |
* @type {Object} |
|
|
512 |
*/ |
|
|
513 |
_handles: null, |
|
|
514 |
/** |
|
|
515 |
* @private |
|
|
516 |
* @property _invalids |
|
|
517 |
* @description A private hash of the invalid selector strings |
|
|
518 |
* @type {Object} |
|
|
519 |
*/ |
|
|
520 |
_invalids: null, |
|
|
521 |
/** |
|
|
522 |
* @private |
|
|
523 |
* @property _invalidsDefault |
|
|
524 |
* @description A private hash of the default invalid selector strings: {'textarea': true, 'input': true, 'a': true, 'button': true, 'select': true} |
|
|
525 |
* @type {Object} |
|
|
526 |
*/ |
|
|
527 |
_invalidsDefault: {'textarea': true, 'input': true, 'a': true, 'button': true, 'select': true }, |
|
|
528 |
/** |
|
|
529 |
* @private |
|
|
530 |
* @property _dragThreshMet |
|
|
531 |
* @description Private flag to see if the drag threshhold was met |
|
|
532 |
* @type {Boolean} |
|
|
533 |
*/ |
|
|
534 |
_dragThreshMet: null, |
|
|
535 |
/** |
|
|
536 |
* @private |
|
|
537 |
* @property _fromTimeout |
|
|
538 |
* @description Flag to determine if the drag operation came from a timeout |
|
|
539 |
* @type {Boolean} |
|
|
540 |
*/ |
|
|
541 |
_fromTimeout: null, |
|
|
542 |
/** |
|
|
543 |
* @private |
|
|
544 |
* @property _clickTimeout |
|
|
545 |
* @description Holder for the setTimeout call |
|
|
546 |
* @type {Boolean} |
|
|
547 |
*/ |
|
|
548 |
_clickTimeout: null, |
|
|
549 |
/** |
|
|
550 |
* @property deltaXY |
|
|
551 |
* @description The offset of the mouse position to the element's position |
|
|
552 |
* @type {Array} |
|
|
553 |
*/ |
|
|
554 |
deltaXY: null, |
|
|
555 |
/** |
|
|
556 |
* @property startXY |
|
|
557 |
* @description The initial mouse position |
|
|
558 |
* @type {Array} |
|
|
559 |
*/ |
|
|
560 |
startXY: null, |
|
|
561 |
/** |
|
|
562 |
* @property nodeXY |
|
|
563 |
* @description The initial element position |
|
|
564 |
* @type {Array} |
|
|
565 |
*/ |
|
|
566 |
nodeXY: null, |
|
|
567 |
/** |
|
|
568 |
* @property lastXY |
|
|
569 |
* @description The position of the element as it's moving (for offset calculations) |
|
|
570 |
* @type {Array} |
|
|
571 |
*/ |
|
|
572 |
lastXY: null, |
|
|
573 |
/** |
|
|
574 |
* @property actXY |
|
|
575 |
* @description The xy that the node will be set to. Changing this will alter the position as it's dragged. |
|
|
576 |
* @type {Array} |
|
|
577 |
*/ |
|
|
578 |
actXY: null, |
|
|
579 |
/** |
|
|
580 |
* @property realXY |
|
|
581 |
* @description The real xy position of the node. |
|
|
582 |
* @type {Array} |
|
|
583 |
*/ |
|
|
584 |
realXY: null, |
|
|
585 |
/** |
|
|
586 |
* @property mouseXY |
|
|
587 |
* @description The XY coords of the mousemove |
|
|
588 |
* @type {Array} |
|
|
589 |
*/ |
|
|
590 |
mouseXY: null, |
|
|
591 |
/** |
|
|
592 |
* @property region |
|
|
593 |
* @description A region object associated with this drag, used for checking regions while dragging. |
|
|
594 |
* @type Object |
|
|
595 |
*/ |
|
|
596 |
region: null, |
|
|
597 |
/** |
|
|
598 |
* @private |
|
|
599 |
* @method _handleMouseUp |
|
|
600 |
* @description Handler for the mouseup DOM event |
|
|
601 |
* @param {Event.Facade} |
|
|
602 |
*/ |
|
|
603 |
_handleMouseUp: function(ev) { |
|
|
604 |
this._fixIEMouseUp(); |
|
|
605 |
if (DDM.activeDrag) { |
|
|
606 |
DDM._end(); |
|
|
607 |
} |
|
|
608 |
}, |
|
|
609 |
/** |
|
|
610 |
* @private |
|
|
611 |
* @method _fixDragStart |
|
|
612 |
* @description The function we use as the ondragstart handler when we start a drag in Internet Explorer. This keeps IE from blowing up on images as drag handles. |
|
|
613 |
*/ |
|
|
614 |
_fixDragStart: function(e) { |
|
|
615 |
e.preventDefault(); |
|
|
616 |
}, |
|
|
617 |
/** |
|
|
618 |
* @private |
|
|
619 |
* @method _ieSelectFix |
|
|
620 |
* @description The function we use as the onselectstart handler when we start a drag in Internet Explorer |
|
|
621 |
*/ |
|
|
622 |
_ieSelectFix: function() { |
|
|
623 |
return false; |
|
|
624 |
}, |
|
|
625 |
/** |
|
|
626 |
* @private |
|
|
627 |
* @property _ieSelectBack |
|
|
628 |
* @description We will hold a copy of the current "onselectstart" method on this property, and reset it after we are done using it. |
|
|
629 |
*/ |
|
|
630 |
_ieSelectBack: null, |
|
|
631 |
/** |
|
|
632 |
* @private |
|
|
633 |
* @method _fixIEMouseDown |
|
|
634 |
* @description This method copies the onselectstart listner on the document to the _ieSelectFix property |
|
|
635 |
*/ |
|
|
636 |
_fixIEMouseDown: function() { |
|
|
637 |
if (Y.UA.ie) { |
|
|
638 |
this._ieSelectBack = Y.config.doc.body.onselectstart; |
|
|
639 |
Y.config.doc.body.onselectstart = this._ieSelectFix; |
|
|
640 |
} |
|
|
641 |
}, |
|
|
642 |
/** |
|
|
643 |
* @private |
|
|
644 |
* @method _fixIEMouseUp |
|
|
645 |
* @description This method copies the _ieSelectFix property back to the onselectstart listner on the document. |
|
|
646 |
*/ |
|
|
647 |
_fixIEMouseUp: function() { |
|
|
648 |
if (Y.UA.ie) { |
|
|
649 |
Y.config.doc.body.onselectstart = this._ieSelectBack; |
|
|
650 |
} |
|
|
651 |
}, |
|
|
652 |
/** |
|
|
653 |
* @private |
|
|
654 |
* @method _handleMouseDownEvent |
|
|
655 |
* @description Handler for the mousedown DOM event |
|
|
656 |
* @param {Event.Facade} |
|
|
657 |
*/ |
|
|
658 |
_handleMouseDownEvent: function(ev) { |
|
|
659 |
this.fire(EV_MOUSE_DOWN, { ev: ev }); |
|
|
660 |
}, |
|
|
661 |
/** |
|
|
662 |
* @private |
|
|
663 |
* @method _defMouseDownFn |
|
|
664 |
* @description Handler for the mousedown DOM event |
|
|
665 |
* @param {Event.Facade} |
|
|
666 |
*/ |
|
|
667 |
_defMouseDownFn: function(e) { |
|
|
668 |
var ev = e.ev; |
|
|
669 |
this._dragThreshMet = false; |
|
|
670 |
this._ev_md = ev; |
|
|
671 |
|
|
|
672 |
if (this.get('primaryButtonOnly') && ev.button > 1) { |
|
|
673 |
return false; |
|
|
674 |
} |
|
|
675 |
if (this.validClick(ev)) { |
|
|
676 |
this._fixIEMouseDown(); |
|
|
677 |
ev.halt(); |
|
|
678 |
this._setStartPosition([ev.pageX, ev.pageY]); |
|
|
679 |
|
|
|
680 |
DDM.activeDrag = this; |
|
|
681 |
|
|
|
682 |
this._clickTimeout = Y.later(this.get('clickTimeThresh'), this, this._timeoutCheck); |
|
|
683 |
} |
|
|
684 |
this.fire(EV_AFTER_MOUSE_DOWN, { ev: ev }); |
|
|
685 |
}, |
|
|
686 |
/** |
|
|
687 |
* @method validClick |
|
|
688 |
* @description Method first checks to see if we have handles, if so it validates the click against the handle. Then if it finds a valid handle, it checks it against the invalid handles list. Returns true if a good handle was used, false otherwise. |
|
|
689 |
* @param {Event.Facade} |
|
|
690 |
* @return {Boolean} |
|
|
691 |
*/ |
|
|
692 |
validClick: function(ev) { |
|
|
693 |
var r = false, n = false, |
|
|
694 |
tar = ev.target, |
|
|
695 |
hTest = null, |
|
|
696 |
els = null, |
|
|
697 |
set = false; |
|
|
698 |
if (this._handles) { |
|
|
699 |
Y.each(this._handles, function(i, n) { |
|
|
700 |
if (Y.Lang.isString(n)) { |
|
|
701 |
//Am I this or am I inside this |
|
|
702 |
if (tar.test(n + ', ' + n + ' *') && !hTest) { |
|
|
703 |
hTest = n; |
|
|
704 |
r = true; |
|
|
705 |
} |
|
|
706 |
} |
|
|
707 |
}); |
|
|
708 |
} else { |
|
|
709 |
n = this.get(NODE) |
|
|
710 |
if (n.contains(tar) || n.compareTo(tar)) { |
|
|
711 |
r = true; |
|
|
712 |
} |
|
|
713 |
} |
|
|
714 |
if (r) { |
|
|
715 |
if (this._invalids) { |
|
|
716 |
Y.each(this._invalids, function(i, n) { |
|
|
717 |
if (Y.Lang.isString(n)) { |
|
|
718 |
//Am I this or am I inside this |
|
|
719 |
if (tar.test(n + ', ' + n + ' *')) { |
|
|
720 |
r = false; |
|
|
721 |
} |
|
|
722 |
} |
|
|
723 |
}); |
|
|
724 |
} |
|
|
725 |
} |
|
|
726 |
if (r) { |
|
|
727 |
if (hTest) { |
|
|
728 |
els = ev.currentTarget.queryAll(hTest); |
|
|
729 |
set = false; |
|
|
730 |
els.each(function(n, i) { |
|
|
731 |
if ((n.contains(tar) || n.compareTo(tar)) && !set) { |
|
|
732 |
set = true; |
|
|
733 |
this.set('activeHandle', n); |
|
|
734 |
} |
|
|
735 |
}, this); |
|
|
736 |
} else { |
|
|
737 |
this.set('activeHandle', this.get(NODE)); |
|
|
738 |
} |
|
|
739 |
} |
|
|
740 |
return r; |
|
|
741 |
}, |
|
|
742 |
/** |
|
|
743 |
* @private |
|
|
744 |
* @method _setStartPosition |
|
|
745 |
* @description Sets the current position of the Element and calculates the offset |
|
|
746 |
* @param {Array} xy The XY coords to set the position to. |
|
|
747 |
*/ |
|
|
748 |
_setStartPosition: function(xy) { |
|
|
749 |
this.startXY = xy; |
|
|
750 |
|
|
|
751 |
this.nodeXY = this.lastXY = this.realXY = this.get(NODE).getXY(); |
|
|
752 |
|
|
|
753 |
if (this.get('offsetNode')) { |
|
|
754 |
this.deltaXY = [(this.startXY[0] - this.nodeXY[0]), (this.startXY[1] - this.nodeXY[1])]; |
|
|
755 |
} else { |
|
|
756 |
this.deltaXY = [0, 0]; |
|
|
757 |
} |
|
|
758 |
}, |
|
|
759 |
/** |
|
|
760 |
* @private |
|
|
761 |
* @method _timeoutCheck |
|
|
762 |
* @description The method passed to setTimeout to determine if the clickTimeThreshold was met. |
|
|
763 |
*/ |
|
|
764 |
_timeoutCheck: function() { |
|
|
765 |
if (!this.get('lock') && !this._dragThreshMet) { |
|
|
766 |
this._fromTimeout = this._dragThreshMet = true; |
|
|
767 |
this.start(); |
|
|
768 |
this._alignNode([this._ev_md.pageX, this._ev_md.pageY], true); |
|
|
769 |
} |
|
|
770 |
}, |
|
|
771 |
/** |
|
|
772 |
* @method removeHandle |
|
|
773 |
* @description Remove a Selector added by addHandle |
|
|
774 |
* @param {String} str The selector for the handle to be removed. |
|
|
775 |
* @return {Self} |
|
|
776 |
* @chainable |
|
|
777 |
*/ |
|
|
778 |
removeHandle: function(str) { |
|
|
779 |
if (this._handles[str]) { |
|
|
780 |
delete this._handles[str]; |
|
|
781 |
this.fire(EV_REMOVE_HANDLE, { handle: str }); |
|
|
782 |
} |
|
|
783 |
return this; |
|
|
784 |
}, |
|
|
785 |
/** |
|
|
786 |
* @method addHandle |
|
|
787 |
* @description Add a handle to a drag element. Drag only initiates when a mousedown happens on this element. |
|
|
788 |
* @param {String} str The selector to test for a valid handle. Must be a child of the element. |
|
|
789 |
* @return {Self} |
|
|
790 |
* @chainable |
|
|
791 |
*/ |
|
|
792 |
addHandle: function(str) { |
|
|
793 |
if (!this._handles) { |
|
|
794 |
this._handles = {}; |
|
|
795 |
} |
|
|
796 |
if (Y.Lang.isString(str)) { |
|
|
797 |
this._handles[str] = true; |
|
|
798 |
this.fire(EV_ADD_HANDLE, { handle: str }); |
|
|
799 |
} |
|
|
800 |
return this; |
|
|
801 |
}, |
|
|
802 |
/** |
|
|
803 |
* @method removeInvalid |
|
|
804 |
* @description Remove an invalid handle added by addInvalid |
|
|
805 |
* @param {String} str The invalid handle to remove from the internal list. |
|
|
806 |
* @return {Self} |
|
|
807 |
* @chainable |
|
|
808 |
*/ |
|
|
809 |
removeInvalid: function(str) { |
|
|
810 |
if (this._invalids[str]) { |
|
|
811 |
this._invalids[str] = null; |
|
|
812 |
delete this._invalids[str]; |
|
|
813 |
this.fire(EV_REMOVE_INVALID, { handle: str }); |
|
|
814 |
} |
|
|
815 |
return this; |
|
|
816 |
}, |
|
|
817 |
/** |
|
|
818 |
* @method addInvalid |
|
|
819 |
* @description Add a selector string to test the handle against. If the test passes the drag operation will not continue. |
|
|
820 |
* @param {String} str The selector to test against to determine if this is an invalid drag handle. |
|
|
821 |
* @return {Self} |
|
|
822 |
* @chainable |
|
|
823 |
*/ |
|
|
824 |
addInvalid: function(str) { |
|
|
825 |
if (Y.Lang.isString(str)) { |
|
|
826 |
this._invalids[str] = true; |
|
|
827 |
this.fire(EV_ADD_INVALID, { handle: str }); |
|
|
828 |
} |
|
|
829 |
return this; |
|
|
830 |
}, |
|
|
831 |
/** |
|
|
832 |
* @private |
|
|
833 |
* @method initializer |
|
|
834 |
* @description Internal init handler |
|
|
835 |
*/ |
|
|
836 |
initializer: function() { |
|
|
837 |
this.get(NODE).dd = this; |
|
|
838 |
|
|
|
839 |
if (!this.get(NODE).get('id')) { |
|
|
840 |
var id = Y.stamp(this.get(NODE)); |
|
|
841 |
this.get(NODE).set('id', id); |
|
|
842 |
} |
|
|
843 |
|
|
|
844 |
this.actXY = []; |
|
|
845 |
|
|
|
846 |
this._invalids = Y.clone(this._invalidsDefault, true); |
|
|
847 |
|
|
|
848 |
this._createEvents(); |
|
|
849 |
|
|
|
850 |
if (!this.get(DRAG_NODE)) { |
|
|
851 |
this.set(DRAG_NODE, this.get(NODE)); |
|
|
852 |
} |
|
|
853 |
|
|
|
854 |
//Fix for #2528096 |
|
|
855 |
//Don't prep the DD instance until all plugins are loaded. |
|
|
856 |
this.on('initializedChange', Y.bind(this._prep, this)); |
|
|
857 |
|
|
|
858 |
//Shouldn't have to do this.. |
|
|
859 |
this.set('groups', this.get('groups')); |
|
|
860 |
}, |
|
|
861 |
/** |
|
|
862 |
* @private |
|
|
863 |
* @method _prep |
|
|
864 |
* @description Attach event listners and add classname |
|
|
865 |
*/ |
|
|
866 |
_prep: function() { |
|
|
867 |
this._dragThreshMet = false; |
|
|
868 |
var node = this.get(NODE); |
|
|
869 |
node.addClass(DDM.CSS_PREFIX + '-draggable'); |
|
|
870 |
node.on(MOUSE_DOWN, Y.bind(this._handleMouseDownEvent, this)); |
|
|
871 |
node.on(MOUSE_UP, Y.bind(this._handleMouseUp, this)); |
|
|
872 |
node.on(DRAG_START, Y.bind(this._fixDragStart, this)); |
|
|
873 |
}, |
|
|
874 |
/** |
|
|
875 |
* @private |
|
|
876 |
* @method _unprep |
|
|
877 |
* @description Detach event listeners and remove classname |
|
|
878 |
*/ |
|
|
879 |
_unprep: function() { |
|
|
880 |
var node = this.get(NODE); |
|
|
881 |
node.removeClass(DDM.CSS_PREFIX + '-draggable'); |
|
|
882 |
node.detachAll(); |
|
|
883 |
}, |
|
|
884 |
/** |
|
|
885 |
* @method start |
|
|
886 |
* @description Starts the drag operation |
|
|
887 |
* @return {Self} |
|
|
888 |
* @chainable |
|
|
889 |
*/ |
|
|
890 |
start: function() { |
|
|
891 |
if (!this.get('lock') && !this.get(DRAGGING)) { |
|
|
892 |
var node = this.get(NODE), ow = node.get(OFFSET_WIDTH), oh = node.get(OFFSET_HEIGHT); |
|
|
893 |
this._startTime = (new Date()).getTime(); |
|
|
894 |
|
|
|
895 |
DDM._start(); |
|
|
896 |
node.addClass(DDM.CSS_PREFIX + '-dragging'); |
|
|
897 |
this.fire(EV_START, { |
|
|
898 |
pageX: this.nodeXY[0], |
|
|
899 |
pageY: this.nodeXY[1], |
|
|
900 |
startTime: this._startTime |
|
|
901 |
}); |
|
|
902 |
var xy = this.nodeXY; |
|
|
903 |
|
|
|
904 |
|
|
|
905 |
this.region = { |
|
|
906 |
'0': xy[0], |
|
|
907 |
'1': xy[1], |
|
|
908 |
area: 0, |
|
|
909 |
top: xy[1], |
|
|
910 |
right: xy[0] + ow, |
|
|
911 |
bottom: xy[1] + oh, |
|
|
912 |
left: xy[0] |
|
|
913 |
}; |
|
|
914 |
this.set(DRAGGING, true); |
|
|
915 |
} |
|
|
916 |
return this; |
|
|
917 |
}, |
|
|
918 |
/** |
|
|
919 |
* @method end |
|
|
920 |
* @description Ends the drag operation |
|
|
921 |
* @return {Self} |
|
|
922 |
* @chainable |
|
|
923 |
*/ |
|
|
924 |
end: function() { |
|
|
925 |
this._endTime = (new Date()).getTime(); |
|
|
926 |
if (this._clickTimeout) { |
|
|
927 |
this._clickTimeout.cancel(); |
|
|
928 |
} |
|
|
929 |
this._dragThreshMet = false; |
|
|
930 |
this._fromTimeout = false; |
|
|
931 |
if (!this.get('lock') && this.get(DRAGGING)) { |
|
|
932 |
this.fire(EV_END, { |
|
|
933 |
pageX: this.lastXY[0], |
|
|
934 |
pageY: this.lastXY[1], |
|
|
935 |
startTime: this._startTime, |
|
|
936 |
endTime: this._endTime |
|
|
937 |
}); |
|
|
938 |
} |
|
|
939 |
this.get(NODE).removeClass(DDM.CSS_PREFIX + '-dragging'); |
|
|
940 |
this.set(DRAGGING, false); |
|
|
941 |
this.deltaXY = [0, 0]; |
|
|
942 |
|
|
|
943 |
return this; |
|
|
944 |
}, |
|
|
945 |
/** |
|
|
946 |
* @private |
|
|
947 |
* @method _prevEndFn |
|
|
948 |
* @description Handler for preventing the drag:end event. It will reset the node back to it's start position |
|
|
949 |
*/ |
|
|
950 |
_prevEndFn: function(e) { |
|
|
951 |
//Bug #1852577 |
|
|
952 |
this.get(DRAG_NODE).setXY(this.nodeXY); |
|
|
953 |
}, |
|
|
954 |
/** |
|
|
955 |
* @private |
|
|
956 |
* @method _align |
|
|
957 |
* @description Calculates the offsets and set's the XY that the element will move to. |
|
|
958 |
* @param {Array} xy The xy coords to align with. |
|
|
959 |
*/ |
|
|
960 |
_align: function(xy) { |
|
|
961 |
this.fire(EV_ALIGN, {pageX: xy[0], pageY: xy[1] }); |
|
|
962 |
}, |
|
|
963 |
/** |
|
|
964 |
* @private |
|
|
965 |
* @method _defAlignFn |
|
|
966 |
* @description Calculates the offsets and set's the XY that the element will move to. |
|
|
967 |
* @param {Event.Facade} e The drag:align event. |
|
|
968 |
*/ |
|
|
969 |
_defAlignFn: function(e) { |
|
|
970 |
this.actXY = [e.pageX - this.deltaXY[0], e.pageY - this.deltaXY[1]]; |
|
|
971 |
}, |
|
|
972 |
/** |
|
|
973 |
* @private |
|
|
974 |
* @method _alignNode |
|
|
975 |
* @description This method performs the alignment before the element move. |
|
|
976 |
* @param {Array} eXY The XY to move the element to, usually comes from the mousemove DOM event. |
|
|
977 |
*/ |
|
|
978 |
_alignNode: function(eXY) { |
|
|
979 |
this._align(eXY); |
|
|
980 |
this._moveNode(); |
|
|
981 |
}, |
|
|
982 |
/** |
|
|
983 |
* @private |
|
|
984 |
* @method _moveNode |
|
|
985 |
* @description This method performs the actual element move. |
|
|
986 |
*/ |
|
|
987 |
_moveNode: function(scroll) { |
|
|
988 |
//if (!this.get(DRAGGING)) { |
|
|
989 |
// return; |
|
|
990 |
//} |
|
|
991 |
var diffXY = [], diffXY2 = [], startXY = this.nodeXY, xy = this.actXY; |
|
|
992 |
|
|
|
993 |
diffXY[0] = (xy[0] - this.lastXY[0]); |
|
|
994 |
diffXY[1] = (xy[1] - this.lastXY[1]); |
|
|
995 |
|
|
|
996 |
diffXY2[0] = (xy[0] - this.nodeXY[0]); |
|
|
997 |
diffXY2[1] = (xy[1] - this.nodeXY[1]); |
|
|
998 |
|
|
|
999 |
|
|
|
1000 |
this.region = { |
|
|
1001 |
'0': xy[0], |
|
|
1002 |
'1': xy[1], |
|
|
1003 |
area: 0, |
|
|
1004 |
top: xy[1], |
|
|
1005 |
right: xy[0] + this.get(DRAG_NODE).get(OFFSET_WIDTH), |
|
|
1006 |
bottom: xy[1] + this.get(DRAG_NODE).get(OFFSET_HEIGHT), |
|
|
1007 |
left: xy[0] |
|
|
1008 |
}; |
|
|
1009 |
|
|
|
1010 |
this.fire(EV_DRAG, { |
|
|
1011 |
pageX: xy[0], |
|
|
1012 |
pageY: xy[1], |
|
|
1013 |
scroll: scroll, |
|
|
1014 |
info: { |
|
|
1015 |
start: startXY, |
|
|
1016 |
xy: xy, |
|
|
1017 |
delta: diffXY, |
|
|
1018 |
offset: diffXY2 |
|
|
1019 |
} |
|
|
1020 |
}); |
|
|
1021 |
|
|
|
1022 |
this.lastXY = xy; |
|
|
1023 |
}, |
|
|
1024 |
/** |
|
|
1025 |
* @private |
|
|
1026 |
* @method _defDragFn |
|
|
1027 |
* @description Default function for drag:drag. Fired from _moveNode. |
|
|
1028 |
* @param {Event.Facade} ev The drag:drag event |
|
|
1029 |
*/ |
|
|
1030 |
_defDragFn: function(e) { |
|
|
1031 |
if (this.get('move')) { |
|
|
1032 |
if (e.scroll) { |
|
|
1033 |
e.scroll.node.set('scrollTop', e.scroll.top); |
|
|
1034 |
e.scroll.node.set('scrollLeft', e.scroll.left); |
|
|
1035 |
} |
|
|
1036 |
this.get(DRAG_NODE).setXY([e.pageX, e.pageY]); |
|
|
1037 |
this.realXY = [e.pageX, e.pageY]; |
|
|
1038 |
} |
|
|
1039 |
}, |
|
|
1040 |
/** |
|
|
1041 |
* @private |
|
|
1042 |
* @method _move |
|
|
1043 |
* @description Fired from DragDropMgr (DDM) on mousemove. |
|
|
1044 |
* @param {Event.Facade} ev The mousemove DOM event |
|
|
1045 |
*/ |
|
|
1046 |
_move: function(ev) { |
|
|
1047 |
if (this.get('lock')) { |
|
|
1048 |
return false; |
|
|
1049 |
} else { |
|
|
1050 |
this.mouseXY = [ev.pageX, ev.pageY]; |
|
|
1051 |
if (!this._dragThreshMet) { |
|
|
1052 |
var diffX = Math.abs(this.startXY[0] - ev.pageX), |
|
|
1053 |
diffY = Math.abs(this.startXY[1] - ev.pageY); |
|
|
1054 |
if (diffX > this.get('clickPixelThresh') || diffY > this.get('clickPixelThresh')) { |
|
|
1055 |
this._dragThreshMet = true; |
|
|
1056 |
this.start(); |
|
|
1057 |
this._alignNode([ev.pageX, ev.pageY]); |
|
|
1058 |
} |
|
|
1059 |
} else { |
|
|
1060 |
if (this._clickTimeout) { |
|
|
1061 |
this._clickTimeout.cancel(); |
|
|
1062 |
} |
|
|
1063 |
this._alignNode([ev.pageX, ev.pageY]); |
|
|
1064 |
} |
|
|
1065 |
} |
|
|
1066 |
}, |
|
|
1067 |
/** |
|
|
1068 |
* @method stopDrag |
|
|
1069 |
* @description Method will forcefully stop a drag operation. For example calling this from inside an ESC keypress handler will stop this drag. |
|
|
1070 |
* @return {Self} |
|
|
1071 |
* @chainable |
|
|
1072 |
*/ |
|
|
1073 |
stopDrag: function() { |
|
|
1074 |
if (this.get(DRAGGING)) { |
|
|
1075 |
DDM._end(); |
|
|
1076 |
} |
|
|
1077 |
return this; |
|
|
1078 |
}, |
|
|
1079 |
/** |
|
|
1080 |
* @private |
|
|
1081 |
* @method destructor |
|
|
1082 |
* @description Lifecycle destructor, unreg the drag from the DDM and remove listeners |
|
|
1083 |
*/ |
|
|
1084 |
destructor: function() { |
|
|
1085 |
this._unprep(); |
|
|
1086 |
this.detachAll(); |
|
|
1087 |
if (this.target) { |
|
|
1088 |
this.target.destroy(); |
|
|
1089 |
} |
|
|
1090 |
DDM._unregDrag(this); |
|
|
1091 |
} |
|
|
1092 |
}); |
|
|
1093 |
Y.namespace('DD'); |
|
|
1094 |
Y.DD.Drag = Drag; |
|
|
1095 |
|
|
|
1096 |
|
|
|
1097 |
|
|
|
1098 |
|
|
|
1099 |
|
|
|
1100 |
}, '3.0.0' ,{requires:['dd-ddm-base'], skinnable:false}); |