--- /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.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});