diff -r 000000000000 -r 40c8f766c9b8 src/cm/media/js/lib/yui/yui_3.0.0b1/build/dd/dd-ddm-base-debug.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/build/dd/dd-ddm-base-debug.js Mon Nov 23 15:14:29 2009 +0100 @@ -0,0 +1,280 @@ +/* +Copyright (c) 2009, Yahoo! Inc. All rights reserved. +Code licensed under the BSD License: +http://developer.yahoo.net/yui/license.txt +version: 3.0.0b1 +build: 1163 +*/ +YUI.add('dd-ddm-base', function(Y) { + + + /** + * Provides the base Drag Drop Manger required for making a Node draggable. + * @module dd + * @submodule dd-ddm-base + */ + /** + * Provides the base Drag Drop Manger required for making a Node draggable. + * @class DDM + * @extends Base + * @constructor + * @namespace DD + */ + + var DDMBase = function() { + DDMBase.superclass.constructor.apply(this, arguments); + }; + + DDMBase.NAME = 'ddm'; + + DDMBase.ATTRS = { + /** + * @attribute dragCursor + * @description The cursor to apply when dragging, if shimmed the shim will get the cursor. + * @type String + */ + dragCursor: { + value: 'move' + }, + /** + * @attribute clickPixelThresh + * @description The number of pixels to move to start a drag operation, default is 3. + * @type Number + */ + clickPixelThresh: { + value: 3 + }, + /** + * @attribute clickTimeThresh + * @description The number of milliseconds a mousedown has to pass to start a drag operation, default is 1000. + * @type Number + */ + clickTimeThresh: { + value: 1000 + }, + /** + * @attribute dragMode + * @description This attribute only works if the dd-drop module is active. It will set the dragMode (point, intersect, strict) of all future Drag instances. + * @type String + */ + dragMode: { + value: 'point', + setter: function(mode) { + this._setDragMode(mode); + return mode; + } + } + + }; + + Y.extend(DDMBase, Y.Base, { + /** + * @property _active + * @description flag set when we activate our first drag, so DDM can start listening for events. + * @type {Boolean} + */ + _active: null, + /** + * @private + * @method _setDragMode + * @description Handler for dragMode attribute setter. + * @param String/Number The Number value or the String for the DragMode to default all future drag instances to. + * @return Number The Mode to be set + */ + _setDragMode: function(mode) { + if (mode === null) { + mode = Y.DD.DDM.get('dragMode'); + } + switch (mode) { + case 1: + case 'intersect': + return 1; + case 2: + case 'strict': + return 2; + case 0: + case 'point': + return 0; + } + return 0; + }, + /** + * @property CSS_PREFIX + * @description The PREFIX to attach to all DD CSS class names + * @type {String} + */ + CSS_PREFIX: 'yui-dd', + _activateTargets: function() {}, + /** + * @private + * @property _drags + * @description Holder for all registered drag elements. + * @type {Array} + */ + _drags: [], + /** + * @property activeDrag + * @description A reference to the currently active draggable object. + * @type {Drag} + */ + activeDrag: false, + /** + * @private + * @method _regDrag + * @description Adds a reference to the drag object to the DDM._drags array, called in the constructor of Drag. + * @param {Drag} d The Drag object + */ + _regDrag: function(d) { + this._drags[this._drags.length] = d; + if (!this._active) { + this._setupListeners(); + } + }, + /** + * @private + * @method _unregDrag + * @description Remove this drag object from the DDM._drags array. + * @param {Drag} d The drag object. + */ + _unregDrag: function(d) { + var tmp = []; + Y.each(this._drags, function(n, i) { + if (n !== d) { + tmp[tmp.length] = n; + } + }); + this._drags = tmp; + }, + /** + * @private + * @method _setupListeners + * @description Add the document listeners. + */ + _setupListeners: function() { + this._active = true; + var doc = Y.get(document); + doc.on('mousemove', Y.bind(this._move, this)); + //Y.Event.nativeAdd(document, 'mousemove', Y.bind(this._move, this)); + doc.on('mouseup', Y.bind(this._end, this)); + }, + /** + * @private + * @method _start + * @description Internal method used by Drag to signal the start of a drag operation + * @param {Number} x The x position of the drag element + * @param {Number} y The y position of the drag element + * @param {Number} w The width of the drag element + * @param {Number} h The height of the drag element + */ + _start: function(x, y, w, h) { + this.fire('ddm:start'); + this._startDrag.apply(this, arguments); + }, + /** + * @private + * @method _startDrag + * @description Factory method to be overwritten by other DDM's + * @param {Number} x The x position of the drag element + * @param {Number} y The y position of the drag element + * @param {Number} w The width of the drag element + * @param {Number} h The height of the drag element + */ + _startDrag: function() {}, + /** + * @private + * @method _endDrag + * @description Factory method to be overwritten by other DDM's + */ + _endDrag: function() {}, + _dropMove: function() {}, + /** + * @private + * @method _end + * @description Internal method used by Drag to signal the end of a drag operation + */ + _end: function() { + //@TODO - Here we can get a (click - drag - click - release) interaction instead of a (mousedown - drag - mouseup - release) interaction + //Add as a config option?? + if (this.activeDrag) { + this._endDrag(); + this.fire('ddm:end'); + this.activeDrag.end.call(this.activeDrag); + this.activeDrag = null; + } + }, + /** + * @method stopDrag + * @description Method will forcefully stop a drag operation. For example calling this from inside an ESC keypress handler will stop this drag. + * @return {Self} + * @chainable + */ + stopDrag: function() { + if (this.activeDrag) { + this._end(); + } + return this; + }, + /** + * @private + * @method _move + * @description Internal listener for the mousemove DOM event to pass to the Drag's move method. + * @param {Event.Facade} ev The Dom mousemove Event + */ + _move: function(ev) { + if (this.activeDrag) { + this.activeDrag._move.call(this.activeDrag, ev); + this._dropMove(); + } + }, + /** + * //TODO Private, rename??... + * @private + * @method cssSizestoObject + * @description Helper method to use to set the gutter from the attribute setter. + * @param {String} gutter CSS style string for gutter: '5 0' (sets top and bottom to 5px, left and right to 0px), '1 2 3 4' (top 1px, right 2px, bottom 3px, left 4px) + * @return {Object} The gutter Object Literal. + */ + cssSizestoObject: function(gutter) { + var x = gutter.split(' '); + + switch (x.length) { + case 1: x[1] = x[2] = x[3] = x[0]; break; + case 2: x[2] = x[0]; x[3] = x[1]; break; + case 3: x[3] = x[1]; break; + } + + return { + top : parseInt(x[0],10), + right : parseInt(x[1],10), + bottom: parseInt(x[2],10), + left : parseInt(x[3],10) + }; + }, + /** + * @method getDrag + * @description Get a valid Drag instance back from a Node or a selector string, false otherwise + * @param {String/Object} node The Node instance or Selector string to check for a valid Drag Object + * @return {Object} + */ + getDrag: function(node) { + var drag = false, + n = Y.get(node); + if (n instanceof Y.Node) { + Y.each(this._drags, function(v, k) { + if (n.compareTo(v.get('node'))) { + drag = v; + } + }); + } + return drag; + } + }); + + Y.namespace('DD'); + Y.DD.DDM = new DDMBase(); + + + + + +}, '3.0.0b1' ,{requires:['node', 'base'], skinnable:false});