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/* |
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YUI 3.10.3 (build 2fb5187) |
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Copyright 2013 Yahoo! Inc. All rights reserved. |
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Licensed under the BSD License. |
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http://yuilibrary.com/license/ |
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*/ |
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YUI.add('dd-drag', function (Y, NAME) { |
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/** |
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* Provides the ability to drag a Node. |
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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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* 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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/** |
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* Handles the mouseup DOM event, does nothing internally just fires. |
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* @event drag:mouseup |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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/** |
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* Handles the mousedown DOM event, checks to see if you have a valid handle then starts the drag timers. |
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* @event drag:mouseDown |
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* @preventable _defMouseDownFn |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl><dt>ev</dt><dd>The original mousedown event.</dd></dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_MOUSE_DOWN = 'drag:mouseDown', |
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/** |
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* Fires after the mousedown event has been cleared. |
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* @event drag:afterMouseDown |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl><dt>ev</dt><dd>The original mousedown event.</dd></dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_AFTER_MOUSE_DOWN = 'drag:afterMouseDown', |
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/** |
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* Fires after a handle is removed. |
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* @event drag:removeHandle |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl><dt>handle</dt><dd>The handle that was removed.</dd></dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_REMOVE_HANDLE = 'drag:removeHandle', |
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/** |
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* Fires after a handle is added. |
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* @event drag:addHandle |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl><dt>handle</dt><dd>The handle that was added.</dd></dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_ADD_HANDLE = 'drag:addHandle', |
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/** |
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* Fires after an invalid selector is removed. |
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* @event drag:removeInvalid |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl><dt>handle</dt><dd>The handle that was removed.</dd></dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_REMOVE_INVALID = 'drag:removeInvalid', |
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/** |
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* Fires after an invalid selector is added. |
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* @event drag:addInvalid |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl><dt>handle</dt><dd>The handle that was added.</dd></dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_ADD_INVALID = 'drag:addInvalid', |
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/** |
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* Fires at the start of a drag operation. |
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* @event drag:start |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>pageX</dt><dd>The original node position X.</dd> |
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* <dt>pageY</dt><dd>The original node position Y.</dd> |
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* <dt>startTime</dt><dd>The startTime of the event. getTime on the current Date object.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_START = 'drag:start', |
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/** |
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* Fires at the end of a drag operation. |
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* @event drag:end |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>pageX</dt><dd>The current node position X.</dd> |
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* <dt>pageY</dt><dd>The current node position Y.</dd> |
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* <dt>startTime</dt><dd>The startTime of the event, from the start event.</dd> |
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* <dt>endTime</dt><dd>The endTime of the event. getTime on the current Date object.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_END = 'drag:end', |
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/** |
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* Fires every mousemove during a drag operation. |
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* @event drag:drag |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>pageX</dt><dd>The current node position X.</dd> |
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* <dt>pageY</dt><dd>The current node position Y.</dd> |
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* <dt>scroll</dt><dd>Should a scroll action occur.</dd> |
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* <dt>info</dt><dd>Object hash containing calculated XY arrays: start, xy, delta, offset</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_DRAG = 'drag:drag', |
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/** |
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* Fires when this node is aligned. |
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* @event drag:align |
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* @preventable _defAlignFn |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>pageX</dt><dd>The current node position X.</dd> |
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* <dt>pageY</dt><dd>The current node position Y.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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EV_ALIGN = 'drag:align', |
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/** |
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* Fires when this node is over a Drop Target. (Fired from dd-drop) |
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* @event drag:over |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>drop</dt><dd>The drop object at the time of the event.</dd> |
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* <dt>drag</dt><dd>The drag object at the time of the event.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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/** |
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* Fires when this node enters a Drop Target. (Fired from dd-drop) |
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* @event drag:enter |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>drop</dt><dd>The drop object at the time of the event.</dd> |
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* <dt>drag</dt><dd>The drag object at the time of the event.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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/** |
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* Fires when this node exits a Drop Target. (Fired from dd-drop) |
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* @event drag:exit |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>drop</dt><dd>The drop object at the time of the event.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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/** |
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* Fires when this node is dropped on a valid Drop Target. (Fired from dd-ddm-drop) |
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* @event drag:drophit |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>drop</dt><dd>The best guess on what was dropped on.</dd> |
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* <dt>drag</dt><dd>The drag object at the time of the event.</dd> |
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* <dt>others</dt><dd>An array of all the other drop targets that was dropped on.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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*/ |
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/** |
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* Fires when this node is dropped on an invalid Drop Target. (Fired from dd-ddm-drop) |
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* @event drag:dropmiss |
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* @param {EventFacade} event An Event Facade object with the following specific property added: |
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* <dl> |
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* <dt>pageX</dt><dd>The current node position X.</dd> |
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* <dt>pageY</dt><dd>The current node position Y.</dd> |
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* </dl> |
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* @bubbles DDM |
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* @type {CustomEvent} |
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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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/** |
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* This property defaults to "mousedown", but when drag-gestures is loaded, it is changed to "gesturemovestart" |
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* @static |
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* @property START_EVENT |
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*/ |
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Drag.START_EVENT = 'mousedown'; |
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Drag.ATTRS = { |
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/** |
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* Y.Node instance to use as the element to initiate a drag operation |
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* @attribute node |
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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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if (this._canDrag(node)) { |
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return node; |
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} |
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var n = Y.one(node); |
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if (!n) { |
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Y.error('DD.Drag: Invalid Node 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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* Y.Node instance to use as the draggable element, defaults to node |
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* @attribute dragNode |
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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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if (this._canDrag(node)) { |
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return node; |
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} |
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var n = Y.one(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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* Offset the drag element by the difference in cursor position: default true |
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* @attribute offsetNode |
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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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* Center the dragNode to the mouse position on drag:start: default false |
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* @attribute startCentered |
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* @type Boolean |
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*/ |
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startCentered: { |
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value: false |
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}, |
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/** |
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* The number of pixels to move to start a drag operation, default is 3. |
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* @attribute clickPixelThresh |
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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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* The number of milliseconds a mousedown has to pass to start a drag operation, default is 1000. |
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* @attribute clickTimeThresh |
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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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* Set to lock this drag element so that it can't be dragged: default false. |
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* @attribute lock |
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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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* A payload holder to store arbitrary data about this drag object, can be used to store any value. |
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* @attribute data |
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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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* 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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* @attribute move |
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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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* Use the protective shim on all drag operations: default true. Only works with dd-ddm, not dd-ddm-base. |
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* @attribute useShim |
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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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* 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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* @attribute activeHandle |
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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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* By default a drag operation will only begin if the mousedown occurred with the primary mouse button. |
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* Setting this to false will allow for all mousedown events to trigger a drag. |
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* @attribute primaryButtonOnly |
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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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* 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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* @attribute dragging |
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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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* 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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* @attribute target |
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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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* 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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* @attribute dragMode |
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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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* Array of groups to add this drag into. |
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* @attribute groups |
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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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return []; |
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} |
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return Y.Object.keys(this._groups); |
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}, |
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setter: function(g) { |
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this._groups = Y.Array.hash(g); |
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return g; |
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} |
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}, |
|
|
398 |
/** |
|
|
399 |
* Array of valid handles to add. Adding something here will set all handles, even if previously added with addHandle |
|
|
400 |
* @attribute handles |
|
|
401 |
* @type Array |
|
|
402 |
*/ |
|
|
403 |
handles: { |
|
|
404 |
value: null, |
|
|
405 |
setter: function(g) { |
|
|
406 |
if (g) { |
|
|
407 |
this._handles = {}; |
|
|
408 |
Y.Array.each(g, function(v) { |
|
|
409 |
var key = v; |
|
|
410 |
if (v instanceof Y.Node || v instanceof Y.NodeList) { |
|
|
411 |
key = v._yuid; |
|
|
412 |
} |
|
|
413 |
this._handles[key] = v; |
|
|
414 |
}, this); |
|
|
415 |
} else { |
|
|
416 |
this._handles = null; |
|
|
417 |
} |
|
|
418 |
return g; |
|
|
419 |
} |
|
|
420 |
}, |
|
|
421 |
/** |
|
|
422 |
* Controls the default bubble parent for this Drag instance. Default: Y.DD.DDM. Set to false to disable bubbling. Use bubbleTargets in config |
|
|
423 |
* @deprecated |
|
|
424 |
* @attribute bubbles |
|
|
425 |
* @type Object |
|
|
426 |
*/ |
|
|
427 |
bubbles: { |
|
|
428 |
setter: function(t) { |
|
|
429 |
Y.log('bubbles is deprecated use bubbleTargets: HOST', 'warn', 'dd'); |
|
|
430 |
this.addTarget(t); |
|
|
431 |
return t; |
|
|
432 |
} |
|
|
433 |
}, |
|
|
434 |
/** |
|
|
435 |
* Should the mousedown event be halted. Default: true |
|
|
436 |
* @attribute haltDown |
|
|
437 |
* @type Boolean |
|
|
438 |
*/ |
|
|
439 |
haltDown: { |
|
|
440 |
value: true |
|
|
441 |
} |
|
|
442 |
}; |
|
|
443 |
|
|
|
444 |
Y.extend(Drag, Y.Base, { |
|
|
445 |
/** |
|
|
446 |
* Checks the object for the methods needed to drag the object around. |
|
|
447 |
* Normally this would be a node instance, but in the case of Graphics, it |
|
|
448 |
* may be an SVG node or something similar. |
|
|
449 |
* @method _canDrag |
|
|
450 |
* @private |
|
|
451 |
* @param {Object} n The object to check |
|
|
452 |
* @return {Boolean} True or false if the Object contains the methods needed to Drag |
|
|
453 |
*/ |
|
|
454 |
_canDrag: function(n) { |
|
|
455 |
if (n && n.setXY && n.getXY && n.test && n.contains) { |
|
|
456 |
return true; |
|
|
457 |
} |
|
|
458 |
return false; |
|
|
459 |
}, |
|
|
460 |
/** |
|
|
461 |
* The default bubbleTarget for this object. Default: Y.DD.DDM |
|
|
462 |
* @private |
|
|
463 |
* @property _bubbleTargets |
|
|
464 |
*/ |
|
|
465 |
_bubbleTargets: Y.DD.DDM, |
|
|
466 |
/** |
|
|
467 |
* Add this Drag instance to a group, this should be used for on-the-fly group additions. |
|
|
468 |
* @method addToGroup |
|
|
469 |
* @param {String} g The group to add this Drag Instance to. |
|
|
470 |
* @return {Self} |
|
|
471 |
* @chainable |
|
|
472 |
*/ |
|
|
473 |
addToGroup: function(g) { |
|
|
474 |
this._groups[g] = true; |
|
|
475 |
DDM._activateTargets(); |
|
|
476 |
return this; |
|
|
477 |
}, |
|
|
478 |
/** |
|
|
479 |
* Remove this Drag instance from a group, this should be used for on-the-fly group removals. |
|
|
480 |
* @method removeFromGroup |
|
|
481 |
* @param {String} g The group to remove this Drag Instance from. |
|
|
482 |
* @return {Self} |
|
|
483 |
* @chainable |
|
|
484 |
*/ |
|
|
485 |
removeFromGroup: function(g) { |
|
|
486 |
delete this._groups[g]; |
|
|
487 |
DDM._activateTargets(); |
|
|
488 |
return this; |
|
|
489 |
}, |
|
|
490 |
/** |
|
|
491 |
* This will be a reference to the Drop instance associated with this drag if the target: true config attribute is set.. |
|
|
492 |
* @property target |
|
|
493 |
* @type {Object} |
|
|
494 |
*/ |
|
|
495 |
target: null, |
|
|
496 |
/** |
|
|
497 |
* Attribute handler for the target config attribute. |
|
|
498 |
* @private |
|
|
499 |
* @method _handleTarget |
|
|
500 |
* @param {Boolean/Object} config The Config |
|
|
501 |
*/ |
|
|
502 |
_handleTarget: function(config) { |
|
|
503 |
if (Y.DD.Drop) { |
|
|
504 |
if (config === false) { |
|
|
505 |
if (this.target) { |
|
|
506 |
DDM._unregTarget(this.target); |
|
|
507 |
this.target = null; |
|
|
508 |
} |
|
|
509 |
} else { |
|
|
510 |
if (!Y.Lang.isObject(config)) { |
|
|
511 |
config = {}; |
|
|
512 |
} |
|
|
513 |
config.bubbleTargets = config.bubbleTargets || this.getTargets(); |
|
|
514 |
config.node = this.get(NODE); |
|
|
515 |
config.groups = config.groups || this.get('groups'); |
|
|
516 |
this.target = new Y.DD.Drop(config); |
|
|
517 |
} |
|
|
518 |
} |
|
|
519 |
}, |
|
|
520 |
/** |
|
|
521 |
* Storage Array for the groups this drag belongs to. |
|
|
522 |
* @private |
|
|
523 |
* @property _groups |
|
|
524 |
* @type {Array} |
|
|
525 |
*/ |
|
|
526 |
_groups: null, |
|
|
527 |
/** |
|
|
528 |
* This method creates all the events for this Event Target and publishes them so we get Event Bubbling. |
|
|
529 |
* @private |
|
|
530 |
* @method _createEvents |
|
|
531 |
*/ |
|
|
532 |
_createEvents: function() { |
|
|
533 |
|
|
|
534 |
this.publish(EV_MOUSE_DOWN, { |
|
|
535 |
defaultFn: this._defMouseDownFn, |
|
|
536 |
queuable: false, |
|
|
537 |
emitFacade: true, |
|
|
538 |
bubbles: true, |
|
|
539 |
prefix: 'drag' |
|
|
540 |
}); |
|
|
541 |
|
|
|
542 |
this.publish(EV_ALIGN, { |
|
|
543 |
defaultFn: this._defAlignFn, |
|
|
544 |
queuable: false, |
|
|
545 |
emitFacade: true, |
|
|
546 |
bubbles: true, |
|
|
547 |
prefix: 'drag' |
|
|
548 |
}); |
|
|
549 |
|
|
|
550 |
this.publish(EV_DRAG, { |
|
|
551 |
defaultFn: this._defDragFn, |
|
|
552 |
queuable: false, |
|
|
553 |
emitFacade: true, |
|
|
554 |
bubbles: true, |
|
|
555 |
prefix: 'drag' |
|
|
556 |
}); |
|
|
557 |
|
|
|
558 |
this.publish(EV_END, { |
|
|
559 |
defaultFn: this._defEndFn, |
|
|
560 |
preventedFn: this._prevEndFn, |
|
|
561 |
queuable: false, |
|
|
562 |
emitFacade: true, |
|
|
563 |
bubbles: true, |
|
|
564 |
prefix: 'drag' |
|
|
565 |
}); |
|
|
566 |
|
|
|
567 |
var ev = [ |
|
|
568 |
EV_AFTER_MOUSE_DOWN, |
|
|
569 |
EV_REMOVE_HANDLE, |
|
|
570 |
EV_ADD_HANDLE, |
|
|
571 |
EV_REMOVE_INVALID, |
|
|
572 |
EV_ADD_INVALID, |
|
|
573 |
EV_START, |
|
|
574 |
'drag:drophit', |
|
|
575 |
'drag:dropmiss', |
|
|
576 |
'drag:over', |
|
|
577 |
'drag:enter', |
|
|
578 |
'drag:exit' |
|
|
579 |
]; |
|
|
580 |
|
|
|
581 |
Y.Array.each(ev, function(v) { |
|
|
582 |
this.publish(v, { |
|
|
583 |
type: v, |
|
|
584 |
emitFacade: true, |
|
|
585 |
bubbles: true, |
|
|
586 |
preventable: false, |
|
|
587 |
queuable: false, |
|
|
588 |
prefix: 'drag' |
|
|
589 |
}); |
|
|
590 |
}, this); |
|
|
591 |
}, |
|
|
592 |
/** |
|
|
593 |
* A private reference to the mousedown DOM event |
|
|
594 |
* @private |
|
|
595 |
* @property _ev_md |
|
|
596 |
* @type {EventFacade} |
|
|
597 |
*/ |
|
|
598 |
_ev_md: null, |
|
|
599 |
/** |
|
|
600 |
* The getTime of the mousedown event. Not used, just here in case someone wants/needs to use it. |
|
|
601 |
* @private |
|
|
602 |
* @property _startTime |
|
|
603 |
* @type Date |
|
|
604 |
*/ |
|
|
605 |
_startTime: null, |
|
|
606 |
/** |
|
|
607 |
* The getTime of the mouseup event. Not used, just here in case someone wants/needs to use it. |
|
|
608 |
* @private |
|
|
609 |
* @property _endTime |
|
|
610 |
* @type Date |
|
|
611 |
*/ |
|
|
612 |
_endTime: null, |
|
|
613 |
/** |
|
|
614 |
* A private hash of the valid drag handles |
|
|
615 |
* @private |
|
|
616 |
* @property _handles |
|
|
617 |
* @type {Object} |
|
|
618 |
*/ |
|
|
619 |
_handles: null, |
|
|
620 |
/** |
|
|
621 |
* A private hash of the invalid selector strings |
|
|
622 |
* @private |
|
|
623 |
* @property _invalids |
|
|
624 |
* @type {Object} |
|
|
625 |
*/ |
|
|
626 |
_invalids: null, |
|
|
627 |
/** |
|
|
628 |
* A private hash of the default invalid selector strings: {'textarea': true, 'input': true, 'a': true, 'button': true, 'select': true} |
|
|
629 |
* @private |
|
|
630 |
* @property _invalidsDefault |
|
|
631 |
* @type {Object} |
|
|
632 |
*/ |
|
|
633 |
_invalidsDefault: {'textarea': true, 'input': true, 'a': true, 'button': true, 'select': true }, |
|
|
634 |
/** |
|
|
635 |
* Private flag to see if the drag threshhold was met |
|
|
636 |
* @private |
|
|
637 |
* @property _dragThreshMet |
|
|
638 |
* @type {Boolean} |
|
|
639 |
*/ |
|
|
640 |
_dragThreshMet: null, |
|
|
641 |
/** |
|
|
642 |
* Flag to determine if the drag operation came from a timeout |
|
|
643 |
* @private |
|
|
644 |
* @property _fromTimeout |
|
|
645 |
* @type {Boolean} |
|
|
646 |
*/ |
|
|
647 |
_fromTimeout: null, |
|
|
648 |
/** |
|
|
649 |
* Holder for the setTimeout call |
|
|
650 |
* @private |
|
|
651 |
* @property _clickTimeout |
|
|
652 |
* @type {Boolean} |
|
|
653 |
*/ |
|
|
654 |
_clickTimeout: null, |
|
|
655 |
/** |
|
|
656 |
* The offset of the mouse position to the element's position |
|
|
657 |
* @property deltaXY |
|
|
658 |
* @type {Array} |
|
|
659 |
*/ |
|
|
660 |
deltaXY: null, |
|
|
661 |
/** |
|
|
662 |
* The initial mouse position |
|
|
663 |
* @property startXY |
|
|
664 |
* @type {Array} |
|
|
665 |
*/ |
|
|
666 |
startXY: null, |
|
|
667 |
/** |
|
|
668 |
* The initial element position |
|
|
669 |
* @property nodeXY |
|
|
670 |
* @type {Array} |
|
|
671 |
*/ |
|
|
672 |
nodeXY: null, |
|
|
673 |
/** |
|
|
674 |
* The position of the element as it's moving (for offset calculations) |
|
|
675 |
* @property lastXY |
|
|
676 |
* @type {Array} |
|
|
677 |
*/ |
|
|
678 |
lastXY: null, |
|
|
679 |
/** |
|
|
680 |
* The xy that the node will be set to. Changing this will alter the position as it's dragged. |
|
|
681 |
* @property actXY |
|
|
682 |
* @type {Array} |
|
|
683 |
*/ |
|
|
684 |
actXY: null, |
|
|
685 |
/** |
|
|
686 |
* The real xy position of the node. |
|
|
687 |
* @property realXY |
|
|
688 |
* @type {Array} |
|
|
689 |
*/ |
|
|
690 |
realXY: null, |
|
|
691 |
/** |
|
|
692 |
* The XY coords of the mousemove |
|
|
693 |
* @property mouseXY |
|
|
694 |
* @type {Array} |
|
|
695 |
*/ |
|
|
696 |
mouseXY: null, |
|
|
697 |
/** |
|
|
698 |
* A region object associated with this drag, used for checking regions while dragging. |
|
|
699 |
* @property region |
|
|
700 |
* @type Object |
|
|
701 |
*/ |
|
|
702 |
region: null, |
|
|
703 |
/** |
|
|
704 |
* Handler for the mouseup DOM event |
|
|
705 |
* @private |
|
|
706 |
* @method _handleMouseUp |
|
|
707 |
* @param {EventFacade} ev The Event |
|
|
708 |
*/ |
|
|
709 |
_handleMouseUp: function() { |
|
|
710 |
this.fire('drag:mouseup'); |
|
|
711 |
this._fixIEMouseUp(); |
|
|
712 |
if (DDM.activeDrag) { |
|
|
713 |
DDM._end(); |
|
|
714 |
} |
|
|
715 |
}, |
|
|
716 |
/** |
|
|
717 |
* The function we use as the ondragstart handler when we start a drag |
|
|
718 |
* in Internet Explorer. This keeps IE from blowing up on images as drag handles. |
|
|
719 |
* @private |
|
|
720 |
* @method _fixDragStart |
|
|
721 |
* @param {Event} e The Event |
|
|
722 |
*/ |
|
|
723 |
_fixDragStart: function(e) { |
|
|
724 |
if (this.validClick(e)) { |
|
|
725 |
e.preventDefault(); |
|
|
726 |
} |
|
|
727 |
}, |
|
|
728 |
/** |
|
|
729 |
* The function we use as the onselectstart handler when we start a drag in Internet Explorer |
|
|
730 |
* @private |
|
|
731 |
* @method _ieSelectFix |
|
|
732 |
*/ |
|
|
733 |
_ieSelectFix: function() { |
|
|
734 |
return false; |
|
|
735 |
}, |
|
|
736 |
/** |
|
|
737 |
* We will hold a copy of the current "onselectstart" method on this property, and reset it after we are done using it. |
|
|
738 |
* @private |
|
|
739 |
* @property _ieSelectBack |
|
|
740 |
*/ |
|
|
741 |
_ieSelectBack: null, |
|
|
742 |
/** |
|
|
743 |
* This method copies the onselectstart listner on the document to the _ieSelectFix property |
|
|
744 |
* @private |
|
|
745 |
* @method _fixIEMouseDown |
|
|
746 |
*/ |
|
|
747 |
_fixIEMouseDown: function() { |
|
|
748 |
if (Y.UA.ie) { |
|
|
749 |
this._ieSelectBack = Y.config.doc.body.onselectstart; |
|
|
750 |
Y.config.doc.body.onselectstart = this._ieSelectFix; |
|
|
751 |
} |
|
|
752 |
}, |
|
|
753 |
/** |
|
|
754 |
* This method copies the _ieSelectFix property back to the onselectstart listner on the document. |
|
|
755 |
* @private |
|
|
756 |
* @method _fixIEMouseUp |
|
|
757 |
*/ |
|
|
758 |
_fixIEMouseUp: function() { |
|
|
759 |
if (Y.UA.ie) { |
|
|
760 |
Y.config.doc.body.onselectstart = this._ieSelectBack; |
|
|
761 |
} |
|
|
762 |
}, |
|
|
763 |
/** |
|
|
764 |
* Handler for the mousedown DOM event |
|
|
765 |
* @private |
|
|
766 |
* @method _handleMouseDownEvent |
|
|
767 |
* @param {EventFacade} ev The Event |
|
|
768 |
*/ |
|
|
769 |
_handleMouseDownEvent: function(ev) { |
|
|
770 |
this.fire(EV_MOUSE_DOWN, { ev: ev }); |
|
|
771 |
}, |
|
|
772 |
/** |
|
|
773 |
* Handler for the mousedown DOM event |
|
|
774 |
* @private |
|
|
775 |
* @method _defMouseDownFn |
|
|
776 |
* @param {EventFacade} e The Event |
|
|
777 |
*/ |
|
|
778 |
_defMouseDownFn: function(e) { |
|
|
779 |
var ev = e.ev; |
|
|
780 |
|
|
|
781 |
this._dragThreshMet = false; |
|
|
782 |
this._ev_md = ev; |
|
|
783 |
|
|
|
784 |
if (this.get('primaryButtonOnly') && ev.button > 1) { |
|
|
785 |
return false; |
|
|
786 |
} |
|
|
787 |
if (this.validClick(ev)) { |
|
|
788 |
this._fixIEMouseDown(ev); |
|
|
789 |
if (Drag.START_EVENT.indexOf('gesture') !== 0) { |
|
|
790 |
//Only do these if it's not a gesture |
|
|
791 |
if (this.get('haltDown')) { |
|
|
792 |
Y.log('Halting MouseDown', 'info', 'drag'); |
|
|
793 |
ev.halt(); |
|
|
794 |
} else { |
|
|
795 |
Y.log('Preventing Default on MouseDown', 'info', 'drag'); |
|
|
796 |
ev.preventDefault(); |
|
|
797 |
} |
|
|
798 |
} |
|
|
799 |
|
|
|
800 |
this._setStartPosition([ev.pageX, ev.pageY]); |
|
|
801 |
|
|
|
802 |
DDM.activeDrag = this; |
|
|
803 |
|
|
|
804 |
this._clickTimeout = Y.later(this.get('clickTimeThresh'), this, this._timeoutCheck); |
|
|
805 |
} |
|
|
806 |
this.fire(EV_AFTER_MOUSE_DOWN, { ev: ev }); |
|
|
807 |
}, |
|
|
808 |
/** |
|
|
809 |
* Method first checks to see if we have handles, if so it validates the click |
|
|
810 |
* against the handle. Then if it finds a valid handle, it checks it against |
|
|
811 |
* the invalid handles list. Returns true if a good handle was used, false otherwise. |
|
|
812 |
* @method validClick |
|
|
813 |
* @param {EventFacade} ev The Event |
|
|
814 |
* @return {Boolean} |
|
|
815 |
*/ |
|
|
816 |
validClick: function(ev) { |
|
|
817 |
var r = false, n = false, |
|
|
818 |
tar = ev.target, |
|
|
819 |
hTest = null, |
|
|
820 |
els = null, |
|
|
821 |
nlist = null, |
|
|
822 |
set = false; |
|
|
823 |
if (this._handles) { |
|
|
824 |
Y.Object.each(this._handles, function(i, n) { |
|
|
825 |
if (i instanceof Y.Node || i instanceof Y.NodeList) { |
|
|
826 |
if (!r) { |
|
|
827 |
nlist = i; |
|
|
828 |
if (nlist instanceof Y.Node) { |
|
|
829 |
nlist = new Y.NodeList(i._node); |
|
|
830 |
} |
|
|
831 |
nlist.each(function(nl) { |
|
|
832 |
if (nl.contains(tar)) { |
|
|
833 |
r = true; |
|
|
834 |
} |
|
|
835 |
}); |
|
|
836 |
} |
|
|
837 |
} else if (Y.Lang.isString(n)) { |
|
|
838 |
//Am I this or am I inside this |
|
|
839 |
if (tar.test(n + ', ' + n + ' *') && !hTest) { |
|
|
840 |
hTest = n; |
|
|
841 |
r = true; |
|
|
842 |
} |
|
|
843 |
} |
|
|
844 |
}); |
|
|
845 |
} else { |
|
|
846 |
n = this.get(NODE); |
|
|
847 |
if (n.contains(tar) || n.compareTo(tar)) { |
|
|
848 |
r = true; |
|
|
849 |
} |
|
|
850 |
} |
|
|
851 |
if (r) { |
|
|
852 |
if (this._invalids) { |
|
|
853 |
Y.Object.each(this._invalids, function(i, n) { |
|
|
854 |
if (Y.Lang.isString(n)) { |
|
|
855 |
//Am I this or am I inside this |
|
|
856 |
if (tar.test(n + ', ' + n + ' *')) { |
|
|
857 |
r = false; |
|
|
858 |
} |
|
|
859 |
} |
|
|
860 |
}); |
|
|
861 |
} |
|
|
862 |
} |
|
|
863 |
if (r) { |
|
|
864 |
if (hTest) { |
|
|
865 |
els = ev.currentTarget.all(hTest); |
|
|
866 |
set = false; |
|
|
867 |
els.each(function(n) { |
|
|
868 |
if ((n.contains(tar) || n.compareTo(tar)) && !set) { |
|
|
869 |
set = true; |
|
|
870 |
this.set('activeHandle', n); |
|
|
871 |
} |
|
|
872 |
}, this); |
|
|
873 |
} else { |
|
|
874 |
this.set('activeHandle', this.get(NODE)); |
|
|
875 |
} |
|
|
876 |
} |
|
|
877 |
return r; |
|
|
878 |
}, |
|
|
879 |
/** |
|
|
880 |
* Sets the current position of the Element and calculates the offset |
|
|
881 |
* @private |
|
|
882 |
* @method _setStartPosition |
|
|
883 |
* @param {Array} xy The XY coords to set the position to. |
|
|
884 |
*/ |
|
|
885 |
_setStartPosition: function(xy) { |
|
|
886 |
this.startXY = xy; |
|
|
887 |
|
|
|
888 |
this.nodeXY = this.lastXY = this.realXY = this.get(NODE).getXY(); |
|
|
889 |
|
|
|
890 |
if (this.get('offsetNode')) { |
|
|
891 |
this.deltaXY = [(this.startXY[0] - this.nodeXY[0]), (this.startXY[1] - this.nodeXY[1])]; |
|
|
892 |
} else { |
|
|
893 |
this.deltaXY = [0, 0]; |
|
|
894 |
} |
|
|
895 |
}, |
|
|
896 |
/** |
|
|
897 |
* The method passed to setTimeout to determine if the clickTimeThreshold was met. |
|
|
898 |
* @private |
|
|
899 |
* @method _timeoutCheck |
|
|
900 |
*/ |
|
|
901 |
_timeoutCheck: function() { |
|
|
902 |
if (!this.get('lock') && !this._dragThreshMet && this._ev_md) { |
|
|
903 |
this._fromTimeout = this._dragThreshMet = true; |
|
|
904 |
this.start(); |
|
|
905 |
this._alignNode([this._ev_md.pageX, this._ev_md.pageY], true); |
|
|
906 |
} |
|
|
907 |
}, |
|
|
908 |
/** |
|
|
909 |
* Remove a Selector added by addHandle |
|
|
910 |
* @method removeHandle |
|
|
911 |
* @param {String} str The selector for the handle to be removed. |
|
|
912 |
* @return {Self} |
|
|
913 |
* @chainable |
|
|
914 |
*/ |
|
|
915 |
removeHandle: function(str) { |
|
|
916 |
var key = str; |
|
|
917 |
if (str instanceof Y.Node || str instanceof Y.NodeList) { |
|
|
918 |
key = str._yuid; |
|
|
919 |
} |
|
|
920 |
if (this._handles[key]) { |
|
|
921 |
delete this._handles[key]; |
|
|
922 |
this.fire(EV_REMOVE_HANDLE, { handle: str }); |
|
|
923 |
} |
|
|
924 |
return this; |
|
|
925 |
}, |
|
|
926 |
/** |
|
|
927 |
* Add a handle to a drag element. Drag only initiates when a mousedown happens on this element. |
|
|
928 |
* @method addHandle |
|
|
929 |
* @param {String} str The selector to test for a valid handle. Must be a child of the element. |
|
|
930 |
* @return {Self} |
|
|
931 |
* @chainable |
|
|
932 |
*/ |
|
|
933 |
addHandle: function(str) { |
|
|
934 |
if (!this._handles) { |
|
|
935 |
this._handles = {}; |
|
|
936 |
} |
|
|
937 |
var key = str; |
|
|
938 |
if (str instanceof Y.Node || str instanceof Y.NodeList) { |
|
|
939 |
key = str._yuid; |
|
|
940 |
} |
|
|
941 |
this._handles[key] = str; |
|
|
942 |
this.fire(EV_ADD_HANDLE, { handle: str }); |
|
|
943 |
return this; |
|
|
944 |
}, |
|
|
945 |
/** |
|
|
946 |
* Remove an invalid handle added by addInvalid |
|
|
947 |
* @method removeInvalid |
|
|
948 |
* @param {String} str The invalid handle to remove from the internal list. |
|
|
949 |
* @return {Self} |
|
|
950 |
* @chainable |
|
|
951 |
*/ |
|
|
952 |
removeInvalid: function(str) { |
|
|
953 |
if (this._invalids[str]) { |
|
|
954 |
this._invalids[str] = null; |
|
|
955 |
delete this._invalids[str]; |
|
|
956 |
this.fire(EV_REMOVE_INVALID, { handle: str }); |
|
|
957 |
} |
|
|
958 |
return this; |
|
|
959 |
}, |
|
|
960 |
/** |
|
|
961 |
* Add a selector string to test the handle against. If the test passes the drag operation will not continue. |
|
|
962 |
* @method addInvalid |
|
|
963 |
* @param {String} str The selector to test against to determine if this is an invalid drag handle. |
|
|
964 |
* @return {Self} |
|
|
965 |
* @chainable |
|
|
966 |
*/ |
|
|
967 |
addInvalid: function(str) { |
|
|
968 |
if (Y.Lang.isString(str)) { |
|
|
969 |
this._invalids[str] = true; |
|
|
970 |
this.fire(EV_ADD_INVALID, { handle: str }); |
|
|
971 |
} |
|
|
972 |
return this; |
|
|
973 |
}, |
|
|
974 |
/** |
|
|
975 |
* Internal init handler |
|
|
976 |
* @private |
|
|
977 |
* @method initializer |
|
|
978 |
*/ |
|
|
979 |
initializer: function() { |
|
|
980 |
|
|
|
981 |
this.get(NODE).dd = this; |
|
|
982 |
|
|
|
983 |
if (!this.get(NODE).get('id')) { |
|
|
984 |
var id = Y.stamp(this.get(NODE)); |
|
|
985 |
this.get(NODE).set('id', id); |
|
|
986 |
} |
|
|
987 |
|
|
|
988 |
this.actXY = []; |
|
|
989 |
|
|
|
990 |
this._invalids = Y.clone(this._invalidsDefault, true); |
|
|
991 |
|
|
|
992 |
this._createEvents(); |
|
|
993 |
|
|
|
994 |
if (!this.get(DRAG_NODE)) { |
|
|
995 |
this.set(DRAG_NODE, this.get(NODE)); |
|
|
996 |
} |
|
|
997 |
|
|
|
998 |
//Fix for #2528096 |
|
|
999 |
//Don't prep the DD instance until all plugins are loaded. |
|
|
1000 |
this.on('initializedChange', Y.bind(this._prep, this)); |
|
|
1001 |
|
|
|
1002 |
//Shouldn't have to do this.. |
|
|
1003 |
this.set('groups', this.get('groups')); |
|
|
1004 |
}, |
|
|
1005 |
/** |
|
|
1006 |
* Attach event listners and add classname |
|
|
1007 |
* @private |
|
|
1008 |
* @method _prep |
|
|
1009 |
*/ |
|
|
1010 |
_prep: function() { |
|
|
1011 |
this._dragThreshMet = false; |
|
|
1012 |
var node = this.get(NODE); |
|
|
1013 |
node.addClass(DDM.CSS_PREFIX + '-draggable'); |
|
|
1014 |
node.on(Drag.START_EVENT, Y.bind(this._handleMouseDownEvent, this)); |
|
|
1015 |
node.on('mouseup', Y.bind(this._handleMouseUp, this)); |
|
|
1016 |
node.on('dragstart', Y.bind(this._fixDragStart, this)); |
|
|
1017 |
}, |
|
|
1018 |
/** |
|
|
1019 |
* Detach event listeners and remove classname |
|
|
1020 |
* @private |
|
|
1021 |
* @method _unprep |
|
|
1022 |
*/ |
|
|
1023 |
_unprep: function() { |
|
|
1024 |
var node = this.get(NODE); |
|
|
1025 |
node.removeClass(DDM.CSS_PREFIX + '-draggable'); |
|
|
1026 |
node.detachAll('mouseup'); |
|
|
1027 |
node.detachAll('dragstart'); |
|
|
1028 |
node.detachAll(Drag.START_EVENT); |
|
|
1029 |
this.mouseXY = []; |
|
|
1030 |
this.deltaXY = [0,0]; |
|
|
1031 |
this.startXY = []; |
|
|
1032 |
this.nodeXY = []; |
|
|
1033 |
this.lastXY = []; |
|
|
1034 |
this.actXY = []; |
|
|
1035 |
this.realXY = []; |
|
|
1036 |
}, |
|
|
1037 |
/** |
|
|
1038 |
* Starts the drag operation |
|
|
1039 |
* @method start |
|
|
1040 |
* @return {Self} |
|
|
1041 |
* @chainable |
|
|
1042 |
*/ |
|
|
1043 |
start: function() { |
|
|
1044 |
if (!this.get('lock') && !this.get(DRAGGING)) { |
|
|
1045 |
var node = this.get(NODE), ow, oh, xy; |
|
|
1046 |
this._startTime = (new Date()).getTime(); |
|
|
1047 |
|
|
|
1048 |
DDM._start(); |
|
|
1049 |
node.addClass(DDM.CSS_PREFIX + '-dragging'); |
|
|
1050 |
this.fire(EV_START, { |
|
|
1051 |
pageX: this.nodeXY[0], |
|
|
1052 |
pageY: this.nodeXY[1], |
|
|
1053 |
startTime: this._startTime |
|
|
1054 |
}); |
|
|
1055 |
node = this.get(DRAG_NODE); |
|
|
1056 |
xy = this.nodeXY; |
|
|
1057 |
|
|
|
1058 |
ow = node.get(OFFSET_WIDTH); |
|
|
1059 |
oh = node.get(OFFSET_HEIGHT); |
|
|
1060 |
|
|
|
1061 |
if (this.get('startCentered')) { |
|
|
1062 |
this._setStartPosition([xy[0] + (ow / 2), xy[1] + (oh / 2)]); |
|
|
1063 |
} |
|
|
1064 |
|
|
|
1065 |
|
|
|
1066 |
this.region = { |
|
|
1067 |
'0': xy[0], |
|
|
1068 |
'1': xy[1], |
|
|
1069 |
area: 0, |
|
|
1070 |
top: xy[1], |
|
|
1071 |
right: xy[0] + ow, |
|
|
1072 |
bottom: xy[1] + oh, |
|
|
1073 |
left: xy[0] |
|
|
1074 |
}; |
|
|
1075 |
this.set(DRAGGING, true); |
|
|
1076 |
} |
|
|
1077 |
return this; |
|
|
1078 |
}, |
|
|
1079 |
/** |
|
|
1080 |
* Ends the drag operation |
|
|
1081 |
* @method end |
|
|
1082 |
* @return {Self} |
|
|
1083 |
* @chainable |
|
|
1084 |
*/ |
|
|
1085 |
end: function() { |
|
|
1086 |
this._endTime = (new Date()).getTime(); |
|
|
1087 |
if (this._clickTimeout) { |
|
|
1088 |
this._clickTimeout.cancel(); |
|
|
1089 |
} |
|
|
1090 |
this._dragThreshMet = this._fromTimeout = false; |
|
|
1091 |
|
|
|
1092 |
if (!this.get('lock') && this.get(DRAGGING)) { |
|
|
1093 |
this.fire(EV_END, { |
|
|
1094 |
pageX: this.lastXY[0], |
|
|
1095 |
pageY: this.lastXY[1], |
|
|
1096 |
startTime: this._startTime, |
|
|
1097 |
endTime: this._endTime |
|
|
1098 |
}); |
|
|
1099 |
} |
|
|
1100 |
this.get(NODE).removeClass(DDM.CSS_PREFIX + '-dragging'); |
|
|
1101 |
this.set(DRAGGING, false); |
|
|
1102 |
this.deltaXY = [0, 0]; |
|
|
1103 |
|
|
|
1104 |
return this; |
|
|
1105 |
}, |
|
|
1106 |
/** |
|
|
1107 |
* Handler for fixing the selection in IE |
|
|
1108 |
* @private |
|
|
1109 |
* @method _defEndFn |
|
|
1110 |
*/ |
|
|
1111 |
_defEndFn: function() { |
|
|
1112 |
this._fixIEMouseUp(); |
|
|
1113 |
this._ev_md = null; |
|
|
1114 |
}, |
|
|
1115 |
/** |
|
|
1116 |
* Handler for preventing the drag:end event. It will reset the node back to it's start position |
|
|
1117 |
* @private |
|
|
1118 |
* @method _prevEndFn |
|
|
1119 |
*/ |
|
|
1120 |
_prevEndFn: function() { |
|
|
1121 |
this._fixIEMouseUp(); |
|
|
1122 |
//Bug #1852577 |
|
|
1123 |
this.get(DRAG_NODE).setXY(this.nodeXY); |
|
|
1124 |
this._ev_md = null; |
|
|
1125 |
this.region = null; |
|
|
1126 |
}, |
|
|
1127 |
/** |
|
|
1128 |
* Calculates the offsets and set's the XY that the element will move to. |
|
|
1129 |
* @private |
|
|
1130 |
* @method _align |
|
|
1131 |
* @param {Array} xy The xy coords to align with. |
|
|
1132 |
*/ |
|
|
1133 |
_align: function(xy) { |
|
|
1134 |
this.fire(EV_ALIGN, {pageX: xy[0], pageY: xy[1] }); |
|
|
1135 |
}, |
|
|
1136 |
/** |
|
|
1137 |
* Calculates the offsets and set's the XY that the element will move to. |
|
|
1138 |
* @private |
|
|
1139 |
* @method _defAlignFn |
|
|
1140 |
* @param {EventFacade} e The drag:align event. |
|
|
1141 |
*/ |
|
|
1142 |
_defAlignFn: function(e) { |
|
|
1143 |
this.actXY = [e.pageX - this.deltaXY[0], e.pageY - this.deltaXY[1]]; |
|
|
1144 |
}, |
|
|
1145 |
/** |
|
|
1146 |
* This method performs the alignment before the element move. |
|
|
1147 |
* @private |
|
|
1148 |
* @method _alignNode |
|
|
1149 |
* @param {Array} eXY The XY to move the element to, usually comes from the mousemove DOM event. |
|
|
1150 |
*/ |
|
|
1151 |
_alignNode: function(eXY, scroll) { |
|
|
1152 |
this._align(eXY); |
|
|
1153 |
if (!scroll) { |
|
|
1154 |
this._moveNode(); |
|
|
1155 |
} |
|
|
1156 |
}, |
|
|
1157 |
/** |
|
|
1158 |
* This method performs the actual element move. |
|
|
1159 |
* @private |
|
|
1160 |
* @method _moveNode |
|
|
1161 |
*/ |
|
|
1162 |
_moveNode: function(scroll) { |
|
|
1163 |
//if (!this.get(DRAGGING)) { |
|
|
1164 |
// return; |
|
|
1165 |
//} |
|
|
1166 |
var diffXY = [], diffXY2 = [], startXY = this.nodeXY, xy = this.actXY; |
|
|
1167 |
|
|
|
1168 |
diffXY[0] = (xy[0] - this.lastXY[0]); |
|
|
1169 |
diffXY[1] = (xy[1] - this.lastXY[1]); |
|
|
1170 |
|
|
|
1171 |
diffXY2[0] = (xy[0] - this.nodeXY[0]); |
|
|
1172 |
diffXY2[1] = (xy[1] - this.nodeXY[1]); |
|
|
1173 |
|
|
|
1174 |
|
|
|
1175 |
this.region = { |
|
|
1176 |
'0': xy[0], |
|
|
1177 |
'1': xy[1], |
|
|
1178 |
area: 0, |
|
|
1179 |
top: xy[1], |
|
|
1180 |
right: xy[0] + this.get(DRAG_NODE).get(OFFSET_WIDTH), |
|
|
1181 |
bottom: xy[1] + this.get(DRAG_NODE).get(OFFSET_HEIGHT), |
|
|
1182 |
left: xy[0] |
|
|
1183 |
}; |
|
|
1184 |
|
|
|
1185 |
this.fire(EV_DRAG, { |
|
|
1186 |
pageX: xy[0], |
|
|
1187 |
pageY: xy[1], |
|
|
1188 |
scroll: scroll, |
|
|
1189 |
info: { |
|
|
1190 |
start: startXY, |
|
|
1191 |
xy: xy, |
|
|
1192 |
delta: diffXY, |
|
|
1193 |
offset: diffXY2 |
|
|
1194 |
} |
|
|
1195 |
}); |
|
|
1196 |
|
|
|
1197 |
this.lastXY = xy; |
|
|
1198 |
}, |
|
|
1199 |
/** |
|
|
1200 |
* Default function for drag:drag. Fired from _moveNode. |
|
|
1201 |
* @private |
|
|
1202 |
* @method _defDragFn |
|
|
1203 |
* @param {EventFacade} ev The drag:drag event |
|
|
1204 |
*/ |
|
|
1205 |
_defDragFn: function(e) { |
|
|
1206 |
if (this.get('move')) { |
|
|
1207 |
if (e.scroll && e.scroll.node) { |
|
|
1208 |
var domNode = e.scroll.node.getDOMNode(); |
|
|
1209 |
//If it's the window |
|
|
1210 |
if (domNode === Y.config.win) { |
|
|
1211 |
domNode.scrollTo(e.scroll.left, e.scroll.top); |
|
|
1212 |
} else { |
|
|
1213 |
e.scroll.node.set('scrollTop', e.scroll.top); |
|
|
1214 |
e.scroll.node.set('scrollLeft', e.scroll.left); |
|
|
1215 |
} |
|
|
1216 |
} |
|
|
1217 |
this.get(DRAG_NODE).setXY([e.pageX, e.pageY]); |
|
|
1218 |
this.realXY = [e.pageX, e.pageY]; |
|
|
1219 |
} |
|
|
1220 |
}, |
|
|
1221 |
/** |
|
|
1222 |
* Fired from DragDropMgr (DDM) on mousemove. |
|
|
1223 |
* @private |
|
|
1224 |
* @method _move |
|
|
1225 |
* @param {EventFacade} ev The mousemove DOM event |
|
|
1226 |
*/ |
|
|
1227 |
_move: function(ev) { |
|
|
1228 |
if (this.get('lock')) { |
|
|
1229 |
return false; |
|
|
1230 |
} |
|
|
1231 |
|
|
|
1232 |
this.mouseXY = [ev.pageX, ev.pageY]; |
|
|
1233 |
if (!this._dragThreshMet) { |
|
|
1234 |
var diffX = Math.abs(this.startXY[0] - ev.pageX), |
|
|
1235 |
diffY = Math.abs(this.startXY[1] - ev.pageY); |
|
|
1236 |
if (diffX > this.get('clickPixelThresh') || diffY > this.get('clickPixelThresh')) { |
|
|
1237 |
this._dragThreshMet = true; |
|
|
1238 |
this.start(); |
|
|
1239 |
//This only happens on gestures to stop the page from scrolling |
|
|
1240 |
if (ev && ev.preventDefault) { |
|
|
1241 |
ev.preventDefault(); |
|
|
1242 |
} |
|
|
1243 |
this._alignNode([ev.pageX, ev.pageY]); |
|
|
1244 |
} |
|
|
1245 |
} else { |
|
|
1246 |
if (this._clickTimeout) { |
|
|
1247 |
this._clickTimeout.cancel(); |
|
|
1248 |
} |
|
|
1249 |
this._alignNode([ev.pageX, ev.pageY]); |
|
|
1250 |
} |
|
|
1251 |
}, |
|
|
1252 |
/** |
|
|
1253 |
* Method will forcefully stop a drag operation. For example calling this from inside an ESC keypress handler will stop this drag. |
|
|
1254 |
* @method stopDrag |
|
|
1255 |
* @return {Self} |
|
|
1256 |
* @chainable |
|
|
1257 |
*/ |
|
|
1258 |
stopDrag: function() { |
|
|
1259 |
if (this.get(DRAGGING)) { |
|
|
1260 |
DDM._end(); |
|
|
1261 |
} |
|
|
1262 |
return this; |
|
|
1263 |
}, |
|
|
1264 |
/** |
|
|
1265 |
* Lifecycle destructor, unreg the drag from the DDM and remove listeners |
|
|
1266 |
* @private |
|
|
1267 |
* @method destructor |
|
|
1268 |
*/ |
|
|
1269 |
destructor: function() { |
|
|
1270 |
this._unprep(); |
|
|
1271 |
if (this.target) { |
|
|
1272 |
this.target.destroy(); |
|
|
1273 |
} |
|
|
1274 |
DDM._unregDrag(this); |
|
|
1275 |
} |
|
|
1276 |
}); |
|
|
1277 |
Y.namespace('DD'); |
|
|
1278 |
Y.DD.Drag = Drag; |
|
|
1279 |
|
|
|
1280 |
|
|
|
1281 |
|
|
|
1282 |
|
|
|
1283 |
}, '3.10.3', {"requires": ["dd-ddm-base"]}); |