--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/build/dd/dd.js Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,3496 @@
+/*
+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});
+YUI.add('dd-ddm', function(Y) {
+
+
+ /**
+ * Extends the dd-ddm-base Class to add support for the viewport shim to allow a draggable node to drag to be dragged over an iframe or any other node that traps mousemove events.
+ * It is also required to have Drop Targets enabled, as the viewport shim will contain the shims for the Drop Targets.
+ * @module dd
+ * @submodule dd-ddm
+ * @for DDM
+ * @namespace DD
+ */
+ Y.mix(Y.DD.DDM, {
+ /**
+ * @private
+ * @property _pg
+ * @description The shim placed over the screen to track the mousemove event.
+ * @type {Node}
+ */
+ _pg: null,
+ /**
+ * @private
+ * @property _debugShim
+ * @description Set this to true to set the shims opacity to .5 for debugging it, default: false.
+ * @type {Boolean}
+ */
+ _debugShim: false,
+ _activateTargets: function() {},
+ _deactivateTargets: function() {},
+ _startDrag: function() {
+ if (this.activeDrag.get('useShim')) {
+ this._pg_activate();
+ this._activateTargets();
+ }
+ },
+ _endDrag: function() {
+ this._pg_deactivate();
+ this._deactivateTargets();
+ },
+ /**
+ * @private
+ * @method _pg_deactivate
+ * @description Deactivates the shim
+ */
+ _pg_deactivate: function() {
+ this._pg.setStyle('display', 'none');
+ },
+ /**
+ * @private
+ * @method _pg_activate
+ * @description Activates the shim
+ */
+ _pg_activate: function() {
+ var ah = this.activeDrag.get('activeHandle'), cur = 'auto';
+ if (ah) {
+ cur = ah.getStyle('cursor');
+ }
+ if (cur == 'auto') {
+ cur = this.get('dragCursor');
+ }
+
+ this._pg_size();
+ this._pg.setStyles({
+ top: 0,
+ left: 0,
+ display: 'block',
+ opacity: ((this._debugShim) ? '.5' : '0'),
+ cursor: cur
+ });
+ },
+ /**
+ * @private
+ * @method _pg_size
+ * @description Sizes the shim on: activatation, window:scroll, window:resize
+ */
+ _pg_size: function() {
+ if (this.activeDrag) {
+ var b = Y.get('body'),
+ h = b.get('docHeight'),
+ w = b.get('docWidth');
+ this._pg.setStyles({
+ height: h + 'px',
+ width: w + 'px'
+ });
+ }
+ },
+ /**
+ * @private
+ * @method _createPG
+ * @description Creates the shim and adds it's listeners to it.
+ */
+ _createPG: function() {
+ var pg = Y.Node.create('<div></div>'),
+ bd = Y.get('body');
+ pg.setStyles({
+ top: '0',
+ left: '0',
+ position: 'absolute',
+ zIndex: '9999',
+ overflow: 'hidden',
+ backgroundColor: 'red',
+ display: 'none',
+ height: '5px',
+ width: '5px'
+ });
+ pg.set('id', Y.stamp(pg));
+ pg.addClass('yui-dd-shim');
+ if (bd.get('firstChild')) {
+ bd.insertBefore(pg, bd.get('firstChild'));
+ } else {
+ bd.appendChild(pg);
+ }
+ this._pg = pg;
+ this._pg.on('mouseup', Y.bind(this._end, this));
+ this._pg.on('mousemove', Y.bind(this._move, this));
+
+ var win = Y.get(window);
+ win.on('resize', Y.bind(this._pg_size, this));
+ win.on('scroll', Y.bind(this._pg_size, this));
+ }
+ }, true);
+
+ Y.on('domready', Y.bind(Y.DD.DDM._createPG, Y.DD.DDM));
+
+
+
+
+
+}, '3.0.0b1' ,{requires:['dd-ddm-base'], skinnable:false});
+YUI.add('dd-ddm-drop', function(Y) {
+
+
+ /**
+ * Extends the dd-ddm Class to add support for the placement of Drop Target shims inside the viewport shim. It also handles all Drop Target related events and interactions.
+ * @module dd
+ * @submodule dd-ddm-drop
+ * @for DDM
+ * @namespace DD
+ */
+
+ //TODO CSS class name for the bestMatch..
+ Y.mix(Y.DD.DDM, {
+ /**
+ * @private
+ * @property _noShim
+ * @description This flag turns off the use of the mouseover/mouseout shim. It should not be used unless you know what you are doing.
+ * @type {Boolean}
+ */
+ _noShim: false,
+ /**
+ * @private
+ * @property _activeShims
+ * @description Placeholder for all active shims on the page
+ * @type {Array}
+ */
+ _activeShims: [],
+ /**
+ * @private
+ * @method _hasActiveShim
+ * @description This method checks the _activeShims Object to see if there is a shim active.
+ * @return {Boolean}
+ */
+ _hasActiveShim: function() {
+ if (this._noShim) {
+ return true;
+ }
+ return this._activeShims.length;
+ },
+ /**
+ * @private
+ * @method _addActiveShim
+ * @description Adds a Drop Target to the list of active shims
+ * @param {Object} d The Drop instance to add to the list.
+ */
+ _addActiveShim: function(d) {
+ this._activeShims[this._activeShims.length] = d;
+ },
+ /**
+ * @private
+ * @method _removeActiveShim
+ * @description Removes a Drop Target to the list of active shims
+ * @param {Object} d The Drop instance to remove from the list.
+ */
+ _removeActiveShim: function(d) {
+ var s = [];
+ Y.each(this._activeShims, function(v, k) {
+ if (v._yuid !== d._yuid) {
+ s[s.length] = v;
+ }
+
+ });
+ this._activeShims = s;
+ },
+ /**
+ * @method syncActiveShims
+ * @description This method will sync the position of the shims on the Drop Targets that are currently active.
+ * @param {Boolean} force Resize/sync all Targets.
+ */
+ syncActiveShims: function(force) {
+ Y.later(0, this, function(force) {
+ var drops = ((force) ? this.targets : this._lookup());
+ Y.each(drops, function(v, k) {
+ v.sizeShim.call(v);
+ }, this);
+ }, force);
+ },
+ /**
+ * @private
+ * @property mode
+ * @description The mode that the drag operations will run in 0 for Point, 1 for Intersect, 2 for Strict
+ * @type Number
+ */
+ mode: 0,
+ /**
+ * @private
+ * @property POINT
+ * @description In point mode, a Drop is targeted by the cursor being over the Target
+ * @type Number
+ */
+ POINT: 0,
+ /**
+ * @private
+ * @property INTERSECT
+ * @description In intersect mode, a Drop is targeted by "part" of the drag node being over the Target
+ * @type Number
+ */
+ INTERSECT: 1,
+ /**
+ * @private
+ * @property STRICT
+ * @description In strict mode, a Drop is targeted by the "entire" drag node being over the Target
+ * @type Number
+ */
+ STRICT: 2,
+ /**
+ * @property useHash
+ * @description Should we only check targets that are in the viewport on drags (for performance), default: true
+ * @type {Boolean}
+ */
+ useHash: true,
+ /**
+ * @property activeDrop
+ * @description A reference to the active Drop Target
+ * @type {Object}
+ */
+ activeDrop: null,
+ /**
+ * @property validDrops
+ * @description An array of the valid Drop Targets for this interaction.
+ * @type {Array}
+ */
+ //TODO Change array/object literals to be in sync..
+ validDrops: [],
+ /**
+ * @property otherDrops
+ * @description An object literal of Other Drop Targets that we encountered during this interaction (in the case of overlapping Drop Targets)
+ * @type {Object}
+ */
+ otherDrops: {},
+ /**
+ * @property targets
+ * @description All of the Targets
+ * @type {Array}
+ */
+ targets: [],
+ /**
+ * @private
+ * @method _addValid
+ * @description Add a Drop Target to the list of Valid Targets. This list get's regenerated on each new drag operation.
+ * @param {Object} drop
+ * @return {Self}
+ * @chainable
+ */
+ _addValid: function(drop) {
+ this.validDrops[this.validDrops.length] = drop;
+ return this;
+ },
+ /**
+ * @private
+ * @method _removeValid
+ * @description Removes a Drop Target from the list of Valid Targets. This list get's regenerated on each new drag operation.
+ * @param {Object} drop
+ * @return {Self}
+ * @chainable
+ */
+ _removeValid: function(drop) {
+ var drops = [];
+ Y.each(this.validDrops, function(v, k) {
+ if (v !== drop) {
+ drops[drops.length] = v;
+ }
+ });
+
+ this.validDrops = drops;
+ return this;
+ },
+ /**
+ * @method isOverTarget
+ * @description Check to see if the Drag element is over the target, method varies on current mode
+ * @param {Object} drop The drop to check against
+ * @return {Boolean}
+ */
+ isOverTarget: function(drop) {
+ if (this.activeDrag && drop) {
+ var xy = this.activeDrag.mouseXY;
+ if (xy) {
+ if (this.activeDrag.get('dragMode') == this.STRICT) {
+ return this.activeDrag.get('dragNode').inRegion(drop.region, true, this.activeDrag.region);
+ } else {
+ if (drop && drop.shim) {
+ return drop.shim.intersect({
+ top: xy[1],
+ bottom: xy[1],
+ left: xy[0],
+ right: xy[0]
+ }, drop.region).inRegion;
+ } else {
+ return false;
+ }
+ }
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+ },
+ /**
+ * @method clearCache
+ * @description Clears the cache data used for this interaction.
+ */
+ clearCache: function() {
+ this.validDrops = [];
+ this.otherDrops = {};
+ this._activeShims = [];
+ },
+ /**
+ * @private
+ * @method _activateTargets
+ * @description Clear the cache and activate the shims of all the targets
+ */
+ _activateTargets: function() {
+ this.clearCache();
+ Y.each(this.targets, function(v, k) {
+ v._activateShim.apply(v, []);
+ }, this);
+ this._handleTargetOver();
+
+ },
+ /**
+ * @method getBestMatch
+ * @description This method will gather the area for all potential targets and see which has the hightest covered area and return it.
+ * @param {Array} drops An Array of drops to scan for the best match.
+ * @param {Boolean} all If present, it returns an Array. First item is best match, second is an Array of the other items in the original Array.
+ * @return {Object or Array}
+ */
+ getBestMatch: function(drops, all) {
+ var biggest = null, area = 0, out;
+
+ Y.each(drops, function(v, k) {
+ var inter = this.activeDrag.get('dragNode').intersect(v.get('node'));
+ v.region.area = inter.area;
+
+ if (inter.inRegion) {
+ if (inter.area > area) {
+ area = inter.area;
+ biggest = v;
+ }
+ }
+ }, this);
+ if (all) {
+ out = [];
+ //TODO Sort the others in numeric order by area covered..
+ Y.each(drops, function(v, k) {
+ if (v !== biggest) {
+ out[out.length] = v;
+ }
+ }, this);
+ return [biggest, out];
+ } else {
+ return biggest;
+ }
+ },
+ /**
+ * @private
+ * @method _deactivateTargets
+ * @description This method fires the drop:hit, drag:drophit, drag:dropmiss methods and deactivates the shims..
+ */
+ _deactivateTargets: function() {
+ var other = [], tmp,
+ activeDrag = this.activeDrag,
+ activeDrop = this.activeDrop;
+
+ //TODO why is this check so hard??
+ if (activeDrag && activeDrop && this.otherDrops[activeDrop]) {
+ if (!activeDrag.get('dragMode')) {
+ //TODO otherDrops -- private..
+ other = this.otherDrops;
+ delete other[activeDrop];
+ } else {
+ tmp = this.getBestMatch(this.otherDrops, true);
+ activeDrop = tmp[0];
+ other = tmp[1];
+ }
+ activeDrag.get('node').removeClass(this.CSS_PREFIX + '-drag-over');
+ if (activeDrop) {
+ activeDrop.fire('drop:hit', { drag: activeDrag, drop: activeDrop, others: other });
+ activeDrag.fire('drag:drophit', { drag: activeDrag, drop: activeDrop, others: other });
+ }
+ } else if (activeDrag) {
+ activeDrag.get('node').removeClass(this.CSS_PREFIX + '-drag-over');
+ activeDrag.fire('drag:dropmiss', { pageX: activeDrag.lastXY[0], pageY: activeDrag.lastXY[1] });
+ } else {
+ }
+
+ this.activeDrop = null;
+
+ Y.each(this.targets, function(v, k) {
+ v._deactivateShim.apply(v, []);
+ }, this);
+ },
+ /**
+ * @private
+ * @method _dropMove
+ * @description This method is called when the move method is called on the Drag Object.
+ */
+ _dropMove: function() {
+ if (this._hasActiveShim()) {
+ this._handleTargetOver();
+ } else {
+ Y.each(this.otherDrops, function(v, k) {
+ v._handleOut.apply(v, []);
+ });
+ }
+ },
+ /**
+ * @private
+ * @method _lookup
+ * @description Filters the list of Drops down to those in the viewport.
+ * @return {Array} The valid Drop Targets that are in the viewport.
+ */
+ _lookup: function() {
+ if (!this.useHash || this._noShim) {
+ return this.validDrops;
+ }
+ var drops = [];
+ //Only scan drop shims that are in the Viewport
+ Y.each(this.validDrops, function(v, k) {
+ if (v.shim && v.shim.inViewportRegion(false, v.region)) {
+ drops[drops.length] = v;
+ }
+ });
+ return drops;
+
+ },
+ /**
+ * @private
+ * @method _handleTargetOver
+ * @description This method execs _handleTargetOver on all valid Drop Targets
+ */
+ _handleTargetOver: function() {
+ var drops = this._lookup();
+ Y.each(drops, function(v, k) {
+ v._handleTargetOver.call(v);
+ }, this);
+ },
+ /**
+ * @private
+ * @method _regTarget
+ * @description Add the passed in Target to the targets collection
+ * @param {Object} t The Target to add to the targets collection
+ */
+ _regTarget: function(t) {
+ this.targets[this.targets.length] = t;
+ },
+ /**
+ * @private
+ * @method _unregTarget
+ * @description Remove the passed in Target from the targets collection
+ * @param {Object} drop The Target to remove from the targets collection
+ */
+ _unregTarget: function(drop) {
+ var targets = [], vdrops;
+ Y.each(this.targets, function(v, k) {
+ if (v != drop) {
+ targets[targets.length] = v;
+ }
+ }, this);
+ this.targets = targets;
+
+ vdrops = [];
+ Y.each(this.validDrops, function(v, k) {
+ if (v !== drop) {
+ vdrops[vdrops.length] = v;
+ }
+ });
+
+ this.validDrops = vdrops;
+ },
+ /**
+ * @method getDrop
+ * @description Get a valid Drop 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 Drop Object
+ * @return {Object}
+ */
+ getDrop: function(node) {
+ var drop = false,
+ n = Y.Node.get(node);
+ if (n instanceof Y.Node) {
+ Y.each(this.targets, function(v, k) {
+ if (n.compareTo(v.get('node'))) {
+ drop = v;
+ }
+ });
+ }
+ return drop;
+ }
+ }, true);
+
+
+
+
+
+
+
+}, '3.0.0b1' ,{requires:['dd-ddm'], skinnable:false});
+YUI.add('dd-drag', function(Y) {
+
+
+ /**
+ * 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.
+ * @module dd
+ * @submodule dd-drag
+ */
+ /**
+ * This class provides the ability to drag a Node.
+ * @class Drag
+ * @extends Base
+ * @constructor
+ * @namespace DD
+ */
+
+ var DDM = Y.DD.DDM,
+ NODE = 'node',
+ DRAGGING = 'dragging',
+ DRAG_NODE = 'dragNode',
+ OFFSET_HEIGHT = 'offsetHeight',
+ OFFSET_WIDTH = 'offsetWidth',
+ MOUSE_UP = 'mouseup',
+ MOUSE_DOWN = 'mousedown',
+ DRAG_START = 'dragstart',
+ /**
+ * @event drag:mouseDown
+ * @description Handles the mousedown DOM event, checks to see if you have a valid handle then starts the drag timers.
+ * @preventable _defMouseDownFn
+ * @param {Event.Facade} ev The mousedown event.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_MOUSE_DOWN = 'drag:mouseDown',
+ /**
+ * @event drag:afterMouseDown
+ * @description Fires after the mousedown event has been cleared.
+ * @param {Event.Facade} ev The mousedown event.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_AFTER_MOUSE_DOWN = 'drag:afterMouseDown',
+ /**
+ * @event drag:removeHandle
+ * @description Fires after a handle is removed.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_REMOVE_HANDLE = 'drag:removeHandle',
+ /**
+ * @event drag:addHandle
+ * @description Fires after a handle is added.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_ADD_HANDLE = 'drag:addHandle',
+ /**
+ * @event drag:removeInvalid
+ * @description Fires after an invalid selector is removed.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_REMOVE_INVALID = 'drag:removeInvalid',
+ /**
+ * @event drag:addInvalid
+ * @description Fires after an invalid selector is added.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_ADD_INVALID = 'drag:addInvalid',
+ /**
+ * @event drag:start
+ * @description Fires at the start of a drag operation.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_START = 'drag:start',
+ /**
+ * @event drag:end
+ * @description Fires at the end of a drag operation.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_END = 'drag:end',
+ /**
+ * @event drag:drag
+ * @description Fires every mousemove during a drag operation.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_DRAG = 'drag:drag',
+ /**
+ * @event drag:align
+ * @preventable _defAlignFn
+ * @description Fires when this node is aligned.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_ALIGN = 'drag:align',
+ /**
+ * @event drag:over
+ * @description Fires when this node is over a Drop Target. (Fired from dd-drop)
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ /**
+ * @event drag:enter
+ * @description Fires when this node enters a Drop Target. (Fired from dd-drop)
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ /**
+ * @event drag:exit
+ * @description Fires when this node exits a Drop Target. (Fired from dd-drop)
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ /**
+ * @event drag:drophit
+ * @description Fires when this node is dropped on a valid Drop Target. (Fired from dd-ddm-drop)
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ /**
+ * @event drag:dropmiss
+ * @description Fires when this node is dropped on an invalid Drop Target. (Fired from dd-ddm-drop)
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+
+ Drag = function() {
+ this._lazyAddAttrs = false;
+ Drag.superclass.constructor.apply(this, arguments);
+
+ DDM._regDrag(this);
+ };
+
+ Drag.NAME = 'drag';
+
+ Drag.ATTRS = {
+ /**
+ * @attribute node
+ * @description Y.Node instanace to use as the element to initiate a drag operation
+ * @type Node
+ */
+ node: {
+ setter: function(node) {
+ var n = Y.get(node);
+ if (!n) {
+ Y.error('DD.Drag: Invalid Node Given: ' + node);
+ } else {
+ n = n.item(0);
+ }
+ return n;
+ }
+ },
+ /**
+ * @attribute dragNode
+ * @description Y.Node instanace to use as the draggable element, defaults to node
+ * @type Node
+ */
+ dragNode: {
+ setter: function(node) {
+ var n = Y.Node.get(node);
+ if (!n) {
+ Y.error('DD.Drag: Invalid dragNode Given: ' + node);
+ }
+ return n;
+ }
+ },
+ /**
+ * @attribute offsetNode
+ * @description Offset the drag element by the difference in cursor position: default true
+ * @type Boolean
+ */
+ offsetNode: {
+ value: true
+ },
+ /**
+ * @attribute clickPixelThresh
+ * @description The number of pixels to move to start a drag operation, default is 3.
+ * @type Number
+ */
+ clickPixelThresh: {
+ value: DDM.get('clickPixelThresh')
+ },
+ /**
+ * @attribute clickTimeThresh
+ * @description The number of milliseconds a mousedown has to pass to start a drag operation, default is 1000.
+ * @type Number
+ */
+ clickTimeThresh: {
+ value: DDM.get('clickTimeThresh')
+ },
+ /**
+ * @attribute lock
+ * @description Set to lock this drag element so that it can't be dragged: default false.
+ * @type Boolean
+ */
+ lock: {
+ value: false,
+ setter: function(lock) {
+ if (lock) {
+ this.get(NODE).addClass(DDM.CSS_PREFIX + '-locked');
+ } else {
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-locked');
+ }
+ return lock;
+ }
+ },
+ /**
+ * @attribute data
+ * @description A payload holder to store arbitrary data about this drag object, can be used to store any value.
+ * @type Mixed
+ */
+ data: {
+ value: false
+ },
+ /**
+ * @attribute move
+ * @description If this is false, the drag element will not move with the cursor: default true. Can be used to "resize" the element.
+ * @type Boolean
+ */
+ move: {
+ value: true
+ },
+ /**
+ * @attribute useShim
+ * @description Use the protective shim on all drag operations: default true. Only works with dd-ddm, not dd-ddm-base.
+ * @type Boolean
+ */
+ useShim: {
+ value: true
+ },
+ /**
+ * @attribute activeHandle
+ * @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.
+ * @type Node
+ */
+ activeHandle: {
+ value: false
+ },
+ /**
+ * @attribute primaryButtonOnly
+ * @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.
+ * @type Boolean
+ */
+ primaryButtonOnly: {
+ value: true
+ },
+ /**
+ * @attribute dragging
+ * @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.
+ * @type Boolean
+ */
+ dragging: {
+ value: false
+ },
+ parent: {
+ value: false
+ },
+ /**
+ * @attribute target
+ * @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.
+ * @type Boolean
+ */
+ target: {
+ value: false,
+ setter: function(config) {
+ this._handleTarget(config);
+ return config;
+ }
+ },
+ /**
+ * @attribute dragMode
+ * @description This attribute only works if the dd-drop module is active. It will set the dragMode (point, intersect, strict) of this Drag instance.
+ * @type String
+ */
+ dragMode: {
+ value: null,
+ setter: function(mode) {
+ return DDM._setDragMode(mode);
+ }
+ },
+ /**
+ * @attribute groups
+ * @description Array of groups to add this drag into.
+ * @type Array
+ */
+ groups: {
+ value: ['default'],
+ getter: function() {
+ if (!this._groups) {
+ this._groups = {};
+ }
+ var ret = [];
+ Y.each(this._groups, function(v, k) {
+ ret[ret.length] = k;
+ });
+ return ret;
+ },
+ setter: function(g) {
+ this._groups = {};
+ Y.each(g, function(v, k) {
+ this._groups[v] = true;
+ }, this);
+ return g;
+ }
+ },
+ /**
+ * @attribute handles
+ * @description Array of valid handles to add. Adding something here will set all handles, even if previously added with addHandle
+ * @type Array
+ */
+ handles: {
+ value: null,
+ setter: function(g) {
+ if (g) {
+ this._handles = {};
+ Y.each(g, function(v, k) {
+ this._handles[v] = true;
+ }, this);
+ } else {
+ this._handles = null;
+ }
+ return g;
+ }
+ },
+ /**
+ * @attribute bubbles
+ * @description Controls the default bubble parent for this Drag instance. Default: Y.DD.DDM. Set to false to disable bubbling.
+ * @type Object
+ */
+ bubbles: {
+ writeOnce: true,
+ value: Y.DD.DDM
+ }
+ };
+
+ Y.extend(Drag, Y.Base, {
+ /**
+ * @method addToGroup
+ * @description Add this Drag instance to a group, this should be used for on-the-fly group additions.
+ * @param {String} g The group to add this Drag Instance to.
+ * @return {Self}
+ * @chainable
+ */
+ addToGroup: function(g) {
+ this._groups[g] = true;
+ DDM._activateTargets();
+ return this;
+ },
+ /**
+ * @method removeFromGroup
+ * @description Remove this Drag instance from a group, this should be used for on-the-fly group removals.
+ * @param {String} g The group to remove this Drag Instance from.
+ * @return {Self}
+ * @chainable
+ */
+ removeFromGroup: function(g) {
+ delete this._groups[g];
+ DDM._activateTargets();
+ return this;
+ },
+ /**
+ * @property target
+ * @description This will be a reference to the Drop instance associated with this drag if the target: true config attribute is set..
+ * @type {Object}
+ */
+ target: null,
+ /**
+ * @private
+ * @method _handleTarget
+ * @description Attribute handler for the target config attribute.
+ * @param {Boolean/Object}
+ * @return {Boolean/Object}
+ */
+ _handleTarget: function(config) {
+ if (Y.DD.Drop) {
+ if (config === false) {
+ if (this.target) {
+ DDM._unregTarget(this.target);
+ this.target = null;
+ }
+ return false;
+ } else {
+ if (!Y.Lang.isObject(config)) {
+ config = {};
+ }
+ config.bubbles = ('bubbles' in config) ? config.bubbles : this.get('bubbles');
+ config.node = this.get(NODE);
+ config.groups = config.groups || this.get('groups');
+ this.target = new Y.DD.Drop(config);
+ }
+ } else {
+ return false;
+ }
+ },
+ /**
+ * @private
+ * @property _groups
+ * @description Storage Array for the groups this drag belongs to.
+ * @type {Array}
+ */
+ _groups: null,
+ /**
+ * @private
+ * @method _createEvents
+ * @description This method creates all the events for this Event Target and publishes them so we get Event Bubbling.
+ */
+ _createEvents: function() {
+
+ this.publish(EV_MOUSE_DOWN, {
+ defaultFn: this._defMouseDownFn,
+ queuable: false,
+ emitFacade: true,
+ bubbles: true,
+ prefix: 'drag'
+ });
+
+ this.publish(EV_ALIGN, {
+ defaultFn: this._defAlignFn,
+ queuable: false,
+ emitFacade: true,
+ bubbles: true,
+ prefix: 'drag'
+ });
+
+ this.publish(EV_DRAG, {
+ defaultFn: this._defDragFn,
+ queuable: false,
+ emitFacade: true,
+ bubbles: true,
+ prefix: 'drag'
+ });
+
+ this.publish(EV_END, {
+ preventedFn: this._prevEndFn,
+ queuable: false,
+ emitFacade: true,
+ bubbles: true,
+ prefix: 'drag'
+ });
+
+ var ev = [
+ EV_AFTER_MOUSE_DOWN,
+ EV_REMOVE_HANDLE,
+ EV_ADD_HANDLE,
+ EV_REMOVE_INVALID,
+ EV_ADD_INVALID,
+ EV_START,
+ 'drag:drophit',
+ 'drag:dropmiss',
+ 'drag:over',
+ 'drag:enter',
+ 'drag:exit'
+ ];
+
+ Y.each(ev, function(v, k) {
+ this.publish(v, {
+ type: v,
+ emitFacade: true,
+ bubbles: true,
+ preventable: false,
+ queuable: false,
+ prefix: 'drag'
+ });
+ }, this);
+
+ if (this.get('bubbles')) {
+ this.addTarget(this.get('bubbles'));
+ }
+
+
+ },
+ /**
+ * @private
+ * @property _ev_md
+ * @description A private reference to the mousedown DOM event
+ * @type {Event.Facade}
+ */
+ _ev_md: null,
+ /**
+ * @private
+ * @property _startTime
+ * @description The getTime of the mousedown event. Not used, just here in case someone wants/needs to use it.
+ * @type Date
+ */
+ _startTime: null,
+ /**
+ * @private
+ * @property _endTime
+ * @description The getTime of the mouseup event. Not used, just here in case someone wants/needs to use it.
+ * @type Date
+ */
+ _endTime: null,
+ /**
+ * @private
+ * @property _handles
+ * @description A private hash of the valid drag handles
+ * @type {Object}
+ */
+ _handles: null,
+ /**
+ * @private
+ * @property _invalids
+ * @description A private hash of the invalid selector strings
+ * @type {Object}
+ */
+ _invalids: null,
+ /**
+ * @private
+ * @property _invalidsDefault
+ * @description A private hash of the default invalid selector strings: {'textarea': true, 'input': true, 'a': true, 'button': true}
+ * @type {Object}
+ */
+ _invalidsDefault: {'textarea': true, 'input': true, 'a': true, 'button': true},
+ /**
+ * @private
+ * @property _dragThreshMet
+ * @description Private flag to see if the drag threshhold was met
+ * @type {Boolean}
+ */
+ _dragThreshMet: null,
+ /**
+ * @private
+ * @property _fromTimeout
+ * @description Flag to determine if the drag operation came from a timeout
+ * @type {Boolean}
+ */
+ _fromTimeout: null,
+ /**
+ * @private
+ * @property _clickTimeout
+ * @description Holder for the setTimeout call
+ * @type {Boolean}
+ */
+ _clickTimeout: null,
+ /**
+ * @property deltaXY
+ * @description The offset of the mouse position to the element's position
+ * @type {Array}
+ */
+ deltaXY: null,
+ /**
+ * @property startXY
+ * @description The initial mouse position
+ * @type {Array}
+ */
+ startXY: null,
+ /**
+ * @property nodeXY
+ * @description The initial element position
+ * @type {Array}
+ */
+ nodeXY: null,
+ /**
+ * @property lastXY
+ * @description The position of the element as it's moving (for offset calculations)
+ * @type {Array}
+ */
+ lastXY: null,
+ /**
+ * @property actXY
+ * @description The xy that the node will be set to. Changing this will alter the position as it's dragged.
+ * @type {Array}
+ */
+ actXY: null,
+ /**
+ * @property realXY
+ * @description The real xy position of the node.
+ * @type {Array}
+ */
+ realXY: null,
+ /**
+ * @property mouseXY
+ * @description The XY coords of the mousemove
+ * @type {Array}
+ */
+ mouseXY: null,
+ /**
+ * @property region
+ * @description A region object associated with this drag, used for checking regions while dragging.
+ * @type Object
+ */
+ region: null,
+ /**
+ * @private
+ * @method _handleMouseUp
+ * @description Handler for the mouseup DOM event
+ * @param {Event.Facade}
+ */
+ _handleMouseUp: function(ev) {
+ this._fixIEMouseUp();
+ if (DDM.activeDrag) {
+ DDM._end();
+ }
+ },
+ /**
+ * @private
+ * @method _fixDragStart
+ * @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.
+ */
+ _fixDragStart: function(e) {
+ e.preventDefault();
+ },
+ /**
+ * @private
+ * @method _ieSelectFix
+ * @description The function we use as the onselectstart handler when we start a drag in Internet Explorer
+ */
+ _ieSelectFix: function() {
+ return false;
+ },
+ /**
+ * @private
+ * @property _ieSelectBack
+ * @description We will hold a copy of the current "onselectstart" method on this property, and reset it after we are done using it.
+ */
+ _ieSelectBack: null,
+ /**
+ * @private
+ * @method _fixIEMouseDown
+ * @description This method copies the onselectstart listner on the document to the _ieSelectFix property
+ */
+ _fixIEMouseDown: function() {
+ if (Y.UA.ie) {
+ this._ieSelectBack = Y.config.doc.body.onselectstart;
+ Y.config.doc.body.onselectstart = this._ieSelectFix;
+ }
+ },
+ /**
+ * @private
+ * @method _fixIEMouseUp
+ * @description This method copies the _ieSelectFix property back to the onselectstart listner on the document.
+ */
+ _fixIEMouseUp: function() {
+ if (Y.UA.ie) {
+ Y.config.doc.body.onselectstart = this._ieSelectBack;
+ }
+ },
+ /**
+ * @private
+ * @method _handleMouseDownEvent
+ * @description Handler for the mousedown DOM event
+ * @param {Event.Facade}
+ */
+ _handleMouseDownEvent: function(ev) {
+ this.fire(EV_MOUSE_DOWN, { ev: ev });
+ },
+ /**
+ * @private
+ * @method _defMouseDownFn
+ * @description Handler for the mousedown DOM event
+ * @param {Event.Facade}
+ */
+ _defMouseDownFn: function(e) {
+ var ev = e.ev;
+ this._dragThreshMet = false;
+ this._ev_md = ev;
+
+ if (this.get('primaryButtonOnly') && ev.button > 1) {
+ return false;
+ }
+ if (this.validClick(ev)) {
+ this._fixIEMouseDown();
+ ev.halt();
+ this._setStartPosition([ev.pageX, ev.pageY]);
+
+ DDM.activeDrag = this;
+
+ this._clickTimeout = Y.later(this.get('clickTimeThresh'), this, this._timeoutCheck);
+ }
+ this.fire(EV_AFTER_MOUSE_DOWN, { ev: ev });
+ },
+ /**
+ * @method validClick
+ * @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.
+ * @param {Event.Facade}
+ * @return {Boolean}
+ */
+ validClick: function(ev) {
+ var r = false, n = false,
+ tar = ev.target,
+ hTest = null,
+ els = null,
+ set = false;
+ if (this._handles) {
+ Y.each(this._handles, function(i, n) {
+ if (Y.Lang.isString(n)) {
+ //Am I this or am I inside this
+ if (tar.test(n + ', ' + n + ' *') && !hTest) {
+ hTest = n;
+ r = true;
+ }
+ }
+ });
+ } else {
+ n = this.get(NODE)
+ if (n.contains(tar) || n.compareTo(tar)) {
+ r = true;
+ }
+ }
+ if (r) {
+ if (this._invalids) {
+ Y.each(this._invalids, function(i, n) {
+ if (Y.Lang.isString(n)) {
+ //Am I this or am I inside this
+ if (tar.test(n + ', ' + n + ' *')) {
+ r = false;
+ }
+ }
+ });
+ }
+ }
+ if (r) {
+ if (hTest) {
+ els = ev.currentTarget.queryAll(hTest);
+ set = false;
+ els.each(function(n, i) {
+ if ((n.contains(tar) || n.compareTo(tar)) && !set) {
+ set = true;
+ this.set('activeHandle', n);
+ }
+ }, this);
+ } else {
+ this.set('activeHandle', this.get(NODE));
+ }
+ }
+ return r;
+ },
+ /**
+ * @private
+ * @method _setStartPosition
+ * @description Sets the current position of the Element and calculates the offset
+ * @param {Array} xy The XY coords to set the position to.
+ */
+ _setStartPosition: function(xy) {
+ this.startXY = xy;
+
+ this.nodeXY = this.lastXY = this.realXY = this.get(NODE).getXY();
+
+ if (this.get('offsetNode')) {
+ this.deltaXY = [(this.startXY[0] - this.nodeXY[0]), (this.startXY[1] - this.nodeXY[1])];
+ } else {
+ this.deltaXY = [0, 0];
+ }
+ },
+ /**
+ * @private
+ * @method _timeoutCheck
+ * @description The method passed to setTimeout to determine if the clickTimeThreshold was met.
+ */
+ _timeoutCheck: function() {
+ if (!this.get('lock') && !this._dragThreshMet) {
+ this._fromTimeout = this._dragThreshMet = true;
+ this.start();
+ this._alignNode([this._ev_md.pageX, this._ev_md.pageY], true);
+ }
+ },
+ /**
+ * @method removeHandle
+ * @description Remove a Selector added by addHandle
+ * @param {String} str The selector for the handle to be removed.
+ * @return {Self}
+ * @chainable
+ */
+ removeHandle: function(str) {
+ if (this._handles[str]) {
+ delete this._handles[str];
+ this.fire(EV_REMOVE_HANDLE, { handle: str });
+ }
+ return this;
+ },
+ /**
+ * @method addHandle
+ * @description Add a handle to a drag element. Drag only initiates when a mousedown happens on this element.
+ * @param {String} str The selector to test for a valid handle. Must be a child of the element.
+ * @return {Self}
+ * @chainable
+ */
+ addHandle: function(str) {
+ if (!this._handles) {
+ this._handles = {};
+ }
+ if (Y.Lang.isString(str)) {
+ this._handles[str] = true;
+ this.fire(EV_ADD_HANDLE, { handle: str });
+ }
+ return this;
+ },
+ /**
+ * @method removeInvalid
+ * @description Remove an invalid handle added by addInvalid
+ * @param {String} str The invalid handle to remove from the internal list.
+ * @return {Self}
+ * @chainable
+ */
+ removeInvalid: function(str) {
+ if (this._invalids[str]) {
+ this._invalids[str] = null;
+ delete this._invalids[str];
+ this.fire(EV_REMOVE_INVALID, { handle: str });
+ }
+ return this;
+ },
+ /**
+ * @method addInvalid
+ * @description Add a selector string to test the handle against. If the test passes the drag operation will not continue.
+ * @param {String} str The selector to test against to determine if this is an invalid drag handle.
+ * @return {Self}
+ * @chainable
+ */
+ addInvalid: function(str) {
+ if (Y.Lang.isString(str)) {
+ this._invalids[str] = true;
+ this.fire(EV_ADD_INVALID, { handle: str });
+ }
+ return this;
+ },
+ /**
+ * @private
+ * @method initializer
+ * @description Internal init handler
+ */
+ initializer: function() {
+ this.get(NODE).dd = this;
+
+ if (!this.get(NODE).get('id')) {
+ var id = Y.stamp(this.get(NODE));
+ this.get(NODE).set('id', id);
+ }
+
+ this.actXY = [];
+
+ this._invalids = Y.clone(this._invalidsDefault, true);
+
+ this._createEvents();
+
+ if (!this.get(DRAG_NODE)) {
+ this.set(DRAG_NODE, this.get(NODE));
+ }
+ this._prep();
+ this._dragThreshMet = false;
+ //Shouldn't have to do this..
+ this.set('groups', this.get('groups'));
+ },
+ /**
+ * @private
+ * @method _prep
+ * @description Attach event listners and add classname
+ */
+ _prep: function() {
+ var node = this.get(NODE);
+ node.addClass(DDM.CSS_PREFIX + '-draggable');
+ node.on(MOUSE_DOWN, Y.bind(this._handleMouseDownEvent, this));
+ node.on(MOUSE_UP, Y.bind(this._handleMouseUp, this));
+ node.on(DRAG_START, Y.bind(this._fixDragStart, this));
+ },
+ /**
+ * @private
+ * @method _unprep
+ * @description Detach event listeners and remove classname
+ */
+ _unprep: function() {
+ var node = this.get(NODE);
+ node.removeClass(DDM.CSS_PREFIX + '-draggable');
+ node.detachAll();
+ },
+ /**
+ * @method start
+ * @description Starts the drag operation
+ * @return {Self}
+ * @chainable
+ */
+ start: function() {
+ if (!this.get('lock') && !this.get(DRAGGING)) {
+ var node = this.get(NODE), ow = node.get(OFFSET_WIDTH), oh = node.get(OFFSET_HEIGHT);
+ this._startTime = (new Date()).getTime();
+
+ DDM._start(this.deltaXY, [oh, ow]);
+ node.addClass(DDM.CSS_PREFIX + '-dragging');
+ this.fire(EV_START, {
+ pageX: this.nodeXY[0],
+ pageY: this.nodeXY[1],
+ startTime: this._startTime
+ });
+ var xy = this.nodeXY;
+
+
+ this.region = {
+ '0': xy[0],
+ '1': xy[1],
+ area: 0,
+ top: xy[1],
+ right: xy[0] + ow,
+ bottom: xy[1] + oh,
+ left: xy[0]
+ };
+ this.set(DRAGGING, true);
+ }
+ return this;
+ },
+ /**
+ * @method end
+ * @description Ends the drag operation
+ * @return {Self}
+ * @chainable
+ */
+ end: function() {
+ this._endTime = (new Date()).getTime();
+ if (this._clickTimeout) {
+ this._clickTimeout.cancel();
+ }
+ this._dragThreshMet = false;
+ this._fromTimeout = false;
+ if (!this.get('lock') && this.get(DRAGGING)) {
+ this.fire(EV_END, {
+ pageX: this.lastXY[0],
+ pageY: this.lastXY[1],
+ startTime: this._startTime,
+ endTime: this._endTime
+ });
+ }
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-dragging');
+ this.set(DRAGGING, false);
+ this.deltaXY = [0, 0];
+
+ return this;
+ },
+ /**
+ * @private
+ * @method _prevEndFn
+ * @description Handler for preventing the drag:end event. It will reset the node back to it's start position
+ */
+ _prevEndFn: function(e) {
+ //Bug #1852577
+ this.get(DRAG_NODE).setXY(this.nodeXY);
+ },
+ /**
+ * @private
+ * @method _align
+ * @description Calculates the offsets and set's the XY that the element will move to.
+ * @param {Array} xy The xy coords to align with.
+ */
+ _align: function(xy) {
+ this.fire(EV_ALIGN, {pageX: xy[0], pageY: xy[1] });
+ },
+ /**
+ * @private
+ * @method _defAlignFn
+ * @description Calculates the offsets and set's the XY that the element will move to.
+ * @param {Event.Facade} e The drag:align event.
+ */
+ _defAlignFn: function(e) {
+ this.actXY = [e.pageX - this.deltaXY[0], e.pageY - this.deltaXY[1]];
+ },
+ /**
+ * @private
+ * @method _alignNode
+ * @description This method performs the alignment before the element move.
+ * @param {Array} eXY The XY to move the element to, usually comes from the mousemove DOM event.
+ */
+ _alignNode: function(eXY) {
+ this._align(eXY);
+ this._moveNode();
+ },
+ /**
+ * @private
+ * @method _moveNode
+ * @description This method performs the actual element move.
+ */
+ _moveNode: function(scroll) {
+ //if (!this.get(DRAGGING)) {
+ // return;
+ //}
+ var diffXY = [], diffXY2 = [], startXY = this.nodeXY, xy = this.actXY;
+
+ diffXY[0] = (xy[0] - this.lastXY[0]);
+ diffXY[1] = (xy[1] - this.lastXY[1]);
+
+ diffXY2[0] = (xy[0] - this.nodeXY[0]);
+ diffXY2[1] = (xy[1] - this.nodeXY[1]);
+
+
+ this.region = {
+ '0': xy[0],
+ '1': xy[1],
+ area: 0,
+ top: xy[1],
+ right: xy[0] + this.get(DRAG_NODE).get(OFFSET_WIDTH),
+ bottom: xy[1] + this.get(DRAG_NODE).get(OFFSET_HEIGHT),
+ left: xy[0]
+ };
+
+ this.fire(EV_DRAG, {
+ pageX: xy[0],
+ pageY: xy[1],
+ scroll: scroll,
+ info: {
+ start: startXY,
+ xy: xy,
+ delta: diffXY,
+ offset: diffXY2
+ }
+ });
+
+ this.lastXY = xy;
+ },
+ /**
+ * @private
+ * @method _defDragFn
+ * @description Default function for drag:drag. Fired from _moveNode.
+ * @param {Event.Facade} ev The drag:drag event
+ */
+ _defDragFn: function(e) {
+ if (this.get('move')) {
+ if (e.scroll) {
+ e.scroll.node.set('scrollTop', e.scroll.top);
+ e.scroll.node.set('scrollLeft', e.scroll.left);
+ }
+ this.get(DRAG_NODE).setXY([e.pageX, e.pageY]);
+ this.realXY = [e.pageX, e.pageY];
+ }
+ },
+ /**
+ * @private
+ * @method _move
+ * @description Fired from DragDropMgr (DDM) on mousemove.
+ * @param {Event.Facade} ev The mousemove DOM event
+ */
+ _move: function(ev) {
+ if (this.get('lock')) {
+ return false;
+ } else {
+ this.mouseXY = [ev.pageX, ev.pageY];
+ if (!this._dragThreshMet) {
+ var diffX = Math.abs(this.startXY[0] - ev.pageX),
+ diffY = Math.abs(this.startXY[1] - ev.pageY);
+ if (diffX > this.get('clickPixelThresh') || diffY > this.get('clickPixelThresh')) {
+ this._dragThreshMet = true;
+ this.start();
+ this._alignNode([ev.pageX, ev.pageY]);
+ }
+ } else {
+ if (this._clickTimeout) {
+ this._clickTimeout.cancel();
+ }
+ this._alignNode([ev.pageX, ev.pageY]);
+ }
+ }
+ },
+ /**
+ * @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.get(DRAGGING)) {
+ DDM._end();
+ }
+ return this;
+ },
+ /**
+ * @private
+ * @method destructor
+ * @description Lifecycle destructor, unreg the drag from the DDM and remove listeners
+ */
+ destructor: function() {
+ this._unprep();
+ this.detachAll();
+ if (this.target) {
+ this.target.destroy();
+ }
+ DDM._unregDrag(this);
+ }
+ });
+ Y.namespace('DD');
+ Y.DD.Drag = Drag;
+
+
+
+
+
+}, '3.0.0b1' ,{requires:['dd-ddm-base'], skinnable:false});
+YUI.add('dd-proxy', function(Y) {
+
+
+ /**
+ * 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.
+ * @module dd
+ * @submodule dd-proxy
+ */
+ /**
+ * This plugin for dd-drag is for creating a proxy drag node, instead of dragging the original node.
+ * @class DDProxy
+ * @extends Base
+ * @constructor
+ * @namespace Plugin
+ */
+ var DDM = Y.DD.DDM,
+ NODE = 'node',
+ DRAG_NODE = 'dragNode',
+ HOST = 'host',
+ TRUE = true;
+
+ var P = function(config) {
+ P.superclass.constructor.apply(this, arguments);
+ };
+
+ P.NAME = 'DDProxy';
+ /**
+ * @property proxy
+ * @description The Proxy instance will be placed on the Drag instance under the proxy namespace.
+ * @type {String}
+ */
+ P.NS = 'proxy';
+
+ P.ATTRS = {
+ host: {
+ },
+ /**
+ * @attribute moveOnEnd
+ * @description Move the original node at the end of the drag. Default: true
+ * @type Boolean
+ */
+ moveOnEnd: {
+ value: TRUE
+ },
+ /**
+ * @attribute resizeFrame
+ * @description Make the Proxy node assume the size of the original node. Default: true
+ * @type Boolean
+ */
+ resizeFrame: {
+ value: TRUE
+ },
+ /**
+ * @attribute positionProxy
+ * @description Make the Proxy node appear in the same place as the original node. Default: true
+ * @type Boolean
+ */
+ positionProxy: {
+ value: TRUE
+ },
+ /**
+ * @attribute borderStyle
+ * @description The default border style for the border of the proxy. Default: 1px solid #808080
+ * @type Boolean
+ */
+ borderStyle: {
+ value: '1px solid #808080'
+ }
+ };
+
+ var proto = {
+ /**
+ * @private
+ * @property _hands
+ * @description Holds the event handles for setting the proxy
+ */
+ _hands: null,
+ /**
+ * @private
+ * @method _init
+ * @description Handler for the proxy config attribute
+ */
+ _init: function() {
+ if (!DDM._proxy) {
+ Y.on('domready', Y.bind(this._init, this));
+ return;
+ }
+ if (!this._hands) {
+ this._hands = [];
+ }
+ var i, h, h1, host = this.get(HOST), dnode = host.get(DRAG_NODE);
+ if (dnode.compareTo(host.get(NODE))) {
+ if (DDM._proxy) {
+ host.set(DRAG_NODE, DDM._proxy);
+ }
+ }
+ for (i in this._hands) {
+ this._hands[i].detach();
+ }
+ h = DDM.on('ddm:start', Y.bind(function() {
+ if (DDM.activeDrag === host) {
+ DDM._setFrame(host);
+ }
+ }, this));
+ h1 = DDM.on('ddm:end', Y.bind(function() {
+ if (host.get('dragging')) {
+ if (this.get('moveOnEnd')) {
+ host.get(NODE).setXY(host.lastXY);
+ }
+ host.get(DRAG_NODE).setStyle('display', 'none');
+ }
+ }, this));
+ this._hands = [h, h1];
+ },
+ initializer: function() {
+ this._init();
+ },
+ destructor: function() {
+ var host = this.get(HOST);
+ for (var i in this._hands) {
+ this._hands[i].detach();
+ }
+ host.set(DRAG_NODE, host.get(NODE));
+ }
+ };
+
+ Y.namespace('Plugin');
+ Y.extend(P, Y.Base, proto);
+ Y.Plugin.DDProxy = P;
+
+ //Add a couple of methods to the DDM
+ Y.mix(DDM, {
+ /**
+ * @private
+ * @for DDM
+ * @namespace DD
+ * @method _createFrame
+ * @description Create the proxy element if it doesn't already exist and set the DD.DDM._proxy value
+ */
+ _createFrame: function() {
+ if (!DDM._proxy) {
+ DDM._proxy = TRUE;
+
+ var p = Y.Node.create('<div></div>'),
+ b = Y.Node.get('body');
+
+ p.setStyles({
+ position: 'absolute',
+ display: 'none',
+ zIndex: '999',
+ top: '-999px',
+ left: '-999px'
+ });
+
+ b.insertBefore(p, b.get('firstChild'));
+ p.set('id', Y.stamp(p));
+ p.addClass(DDM.CSS_PREFIX + '-proxy');
+ DDM._proxy = p;
+ }
+ },
+ /**
+ * @private
+ * @for DDM
+ * @namespace DD
+ * @method _setFrame
+ * @description If resizeProxy is set to true (default) it will resize the proxy element to match the size of the Drag Element.
+ * If positionProxy is set to true (default) it will position the proxy element in the same location as the Drag Element.
+ */
+ _setFrame: function(drag) {
+ var n = drag.get(NODE), d = drag.get(DRAG_NODE), ah, cur = 'auto';
+ if (drag.proxy.get('resizeFrame')) {
+ DDM._proxy.setStyles({
+ height: n.get('offsetHeight') + 'px',
+ width: n.get('offsetWidth') + 'px'
+ });
+ }
+
+ ah = DDM.activeDrag.get('activeHandle');
+ if (ah) {
+ cur = ah.getStyle('cursor');
+ }
+ if (cur == 'auto') {
+ cur = DDM.get('dragCursor');
+ }
+
+
+ d.setStyles({
+ visibility: 'hidden',
+ display: 'block',
+ cursor: cur,
+ border: drag.proxy.get('borderStyle')
+ });
+
+
+
+ if (drag.proxy.get('positionProxy')) {
+ d.setXY(drag.nodeXY);
+ }
+ d.setStyle('visibility', 'visible');
+ }
+ });
+
+ //Create the frame when DOM is ready
+ Y.on('domready', Y.bind(DDM._createFrame, DDM));
+
+
+
+}, '3.0.0b1' ,{requires:['dd-ddm', 'dd-drag'], skinnable:false});
+YUI.add('dd-constrain', function(Y) {
+
+
+ /**
+ * 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.
+ * @module dd
+ * @submodule dd-constrain
+ */
+ /**
+ * This is a plugin for the dd-drag module to add the constraining methods to it. It supports constraining to a renodenode or viewport. It anode* supports tick based moves and XY axis constraints.
+ * @class DragConstrained
+ * @extends Base
+ * @constructor
+ * @namespace Plugin
+ */
+
+ var DRAG_NODE = 'dragNode',
+ OFFSET_HEIGHT = 'offsetHeight',
+ OFFSET_WIDTH = 'offsetWidth',
+ HOST = 'host',
+ CON_2_REGION = 'constrain2region',
+ CON_2_NODE = 'constrain2node',
+ TICK_X_ARRAY = 'tickXArray',
+ TICK_Y_ARRAY = 'tickYArray',
+ DDM = Y.DD.DDM,
+ TOP = 'top',
+ RIGHT = 'right',
+ BOTTOM = 'bottom',
+ LEFT = 'left',
+ proto = null;
+
+ var C = function(config) {
+ C.superclass.constructor.apply(this, arguments);
+ };
+
+ C.NAME = 'DragConstrained';
+ /**
+ * @property con
+ * @description The Constrained instance will be placed on the Drag instance under the con namespace.
+ * @type {String}
+ */
+ C.NS = 'con';
+
+ C.ATTRS = {
+ host: {
+ },
+ /**
+ * @attribute stickX
+ * @description Stick the drag movement to the X-Axis. Default: false
+ * @type Boolean
+ */
+ stickX: {
+ value: false
+ },
+ /**
+ * @attribute stickY
+ * @description Stick the drag movement to the Y-Axis
+ * @type Boolean
+ */
+ stickY: {
+ value: false
+ },
+ /**
+ * @attribute tickX
+ * @description The X tick offset the drag node should snap to on each drag move. False for no ticks. Default: false
+ * @type Number/false
+ */
+ tickX: {
+ value: false
+ },
+ /**
+ * @attribute tickY
+ * @description The Y tick offset the drag node should snap to on each drag move. False for no ticks. Default: false
+ * @type Number/false
+ */
+ tickY: {
+ value: false
+ },
+ /**
+ * @attribute tickXArray
+ * @description An array of page coordinates to use as X ticks for drag movement.
+ * @type Array
+ */
+ tickXArray: {
+ value: false
+ },
+ /**
+ * @attribute tickYArray
+ * @description An array of page coordinates to use as Y ticks for drag movement.
+ * @type Array
+ */
+ tickYArray: {
+ value: false
+ },
+ /**
+ * @attribute constrain2region
+ * @description An Object Literal containing a valid region (top, right, bottom, left) of page positions to constrain the drag node to.
+ * @type Object
+ */
+ constrain2region: {
+ value: false,
+ getter: function(r) {
+ if (Y.Lang.isObject(r)) {
+ var o = {};
+ Y.mix(o, r);
+ return o;
+ } else {
+ return false;
+ }
+ },
+ setter: function (r) {
+ if (Y.Lang.isObject(r)) {
+ if (Y.Lang.isNumber(r[TOP]) && Y.Lang.isNumber(r[RIGHT]) && Y.Lang.isNumber(r[LEFT]) && Y.Lang.isNumber(r[BOTTOM])) {
+ var o = {};
+ Y.mix(o, r);
+ return o;
+ } else {
+ return false;
+ }
+ } else if (r !== false) {
+ return false;
+ }
+ return r;
+ }
+ },
+ /**
+ * @attribute gutter
+ * @description CSS style string for the gutter of a region (supports negative values): '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)
+ * @type String
+ */
+ gutter: {
+ value: '0',
+ setter: function(gutter) {
+ return Y.DD.DDM.cssSizestoObject(gutter);
+ }
+ },
+ /**
+ * @attribute constrain2node
+ * @description Will attempt to constrain the drag node to the bounderies of this node.
+ * @type Object
+ */
+ constrain2node: {
+ value: false,
+ setter: function(n) {
+ if (!this.get(CON_2_REGION)) {
+ var node = Y.Node.get(n);
+ if (node) {
+ return node;
+ }
+ } else if (this.get(CON_2_REGION) !== false) {
+ }
+ return false;
+ }
+ },
+ /**
+ * @attribute constrain2view
+ * @description Will attempt to constrain the drag node to the bounderies of the viewport region.
+ * @type Object
+ */
+ constrain2view: {
+ value: false
+ }
+ };
+
+ proto = {
+ initializer: function() {
+ this.get(HOST).on('drag:start', Y.bind(this._handleStart, this));
+ this.get(HOST).after('drag:align', Y.bind(this.align, this));
+ },
+ /**
+ * @private
+ * @method _handleStart
+ * @description Fires on drag:start and clears the _regionCache
+ */
+ _handleStart: function() {
+ this._regionCache = null;
+ },
+ /**
+ * @private
+ * @property _regionCache
+ * @description Store a cache of the region that we are constraining to
+ * @type Object
+ */
+ _regionCache: null,
+ /**
+ * @private
+ * @method _cacheRegion
+ * @description Get's the region and caches it, called from window.resize and when the cache is null
+ */
+ _cacheRegion: function() {
+ this._regionCache = this.get(CON_2_NODE).get('region');
+ },
+ /**
+ * @method getRegion
+ * @description Get the active region: viewport, node, custom region
+ * @param {Boolean} inc Include the node's height and width
+ * @return {Object}
+ */
+ getRegion: function(inc) {
+ var r = {}, oh = null, ow = null,
+ g = this.get('gutter'),
+ host = this.get(HOST);
+
+ if (this.get(CON_2_NODE)) {
+ if (!this._regionCache) {
+ Y.on('resize', Y.bind(this._cacheRegion, this), window);
+ this._cacheRegion();
+ }
+ r = Y.clone(this._regionCache);
+ } else if (this.get(CON_2_REGION)) {
+ r = this.get(CON_2_REGION);
+ } else if (this.get('constrain2view')) {
+ r = host.get(DRAG_NODE).get('viewportRegion');
+ } else {
+ return false;
+ }
+
+ Y.each(g, function(i, n) {
+ if ((n == RIGHT) || (n == BOTTOM)) {
+ r[n] -= i;
+ } else {
+ r[n] += i;
+ }
+ });
+ if (inc) {
+ oh = host.get(DRAG_NODE).get(OFFSET_HEIGHT);
+ ow = host.get(DRAG_NODE).get(OFFSET_WIDTH);
+ r[RIGHT] = r[RIGHT] - ow;
+ r[BOTTOM] = r[BOTTOM] - oh;
+ }
+ return r;
+ },
+ /**
+ * @private
+ * @method _checkRegion
+ * @description Check if xy is inside a given region, if not change to it be inside.
+ * @param {Array} _xy The XY to check if it's in the current region, if it isn't inside the region, it will reset the xy array to be inside the region.
+ * @return {Array} The new XY that is inside the region
+ */
+ _checkRegion: function(_xy) {
+ var oxy = _xy,
+ r = this.getRegion(),
+ host = this.get(HOST),
+ oh = host.get(DRAG_NODE).get(OFFSET_HEIGHT),
+ ow = host.get(DRAG_NODE).get(OFFSET_WIDTH);
+
+ if (oxy[1] > (r[BOTTOM] - oh)) {
+ _xy[1] = (r[BOTTOM] - oh);
+ }
+ if (r[TOP] > oxy[1]) {
+ _xy[1] = r[TOP];
+
+ }
+ if (oxy[0] > (r[RIGHT] - ow)) {
+ _xy[0] = (r[RIGHT] - ow);
+ }
+ if (r[LEFT] > oxy[0]) {
+ _xy[0] = r[LEFT];
+ }
+
+ return _xy;
+ },
+ /**
+ * @method inRegion
+ * @description Checks if the XY passed or the dragNode is inside the active region.
+ * @param {Array} xy Optional XY to check, if not supplied this.get('dragNode').getXY() is used.
+ * @return {Boolean} True if the XY is inside the region, false otherwise.
+ */
+ inRegion: function(xy) {
+ xy = xy || this.get(HOST).get(DRAG_NODE).getXY();
+
+ var _xy = this._checkRegion([xy[0], xy[1]]),
+ inside = false;
+ if ((xy[0] === _xy[0]) && (xy[1] === _xy[1])) {
+ inside = true;
+ }
+ return inside;
+ },
+ /**
+ * @method align
+ * @description Modifies the Drag.actXY method from the after drag:align event. This is where the constraining happens.
+ */
+ align: function() {
+ var host = this.get(HOST),
+ _xy = host.actXY,
+ r = this.getRegion(true);
+
+ if (this.get('stickX')) {
+ _xy[1] = (host.startXY[1] - host.deltaXY[1]);
+ }
+ if (this.get('stickY')) {
+ _xy[0] = (host.startXY[0] - host.deltaXY[0]);
+ }
+
+ if (r) {
+ _xy = this._checkRegion(_xy);
+ }
+
+ _xy = this._checkTicks(_xy, r);
+ host.actXY = _xy;
+ },
+ /**
+ * @private
+ * @method _checkTicks
+ * @description This method delegates the proper helper method for tick calculations
+ * @param {Array} xy The XY coords for the Drag
+ * @param {Object} r The optional region that we are bound to.
+ * @return {Array} The calced XY coords
+ */
+ _checkTicks: function(xy, r) {
+ var host = this.get(HOST),
+ lx = (host.startXY[0] - host.deltaXY[0]),
+ ly = (host.startXY[1] - host.deltaXY[1]),
+ xt = this.get('tickX'),
+ yt = this.get('tickY');
+ if (xt && !this.get(TICK_X_ARRAY)) {
+ xy[0] = DDM._calcTicks(xy[0], lx, xt, r[LEFT], r[RIGHT]);
+ }
+ if (yt && !this.get(TICK_Y_ARRAY)) {
+ xy[1] = DDM._calcTicks(xy[1], ly, yt, r[TOP], r[BOTTOM]);
+ }
+ if (this.get(TICK_X_ARRAY)) {
+ xy[0] = DDM._calcTickArray(xy[0], this.get(TICK_X_ARRAY), r[LEFT], r[RIGHT]);
+ }
+ if (this.get(TICK_Y_ARRAY)) {
+ xy[1] = DDM._calcTickArray(xy[1], this.get(TICK_Y_ARRAY), r[TOP], r[BOTTOM]);
+ }
+
+ return xy;
+ }
+ };
+
+ Y.namespace('Plugin');
+ Y.extend(C, Y.Base, proto);
+ Y.Plugin.DDConstrained = C;
+
+ Y.mix(DDM, {
+ /**
+ * @for DDM
+ * @namespace DD
+ * @private
+ * @method _calcTicks
+ * @description Helper method to calculate the tick offsets for a given position
+ * @param {Number} pos The current X or Y position
+ * @param {Number} start The start X or Y position
+ * @param {Number} tick The X or Y tick increment
+ * @param {Number} off1 The min offset that we can't pass (region)
+ * @param {Number} off2 The max offset that we can't pass (region)
+ * @return {Number} The new position based on the tick calculation
+ */
+ _calcTicks: function(pos, start, tick, off1, off2) {
+ var ix = ((pos - start) / tick),
+ min = Math.floor(ix),
+ max = Math.ceil(ix);
+ if ((min !== 0) || (max !== 0)) {
+ if ((ix >= min) && (ix <= max)) {
+ pos = (start + (tick * min));
+ if (off1 && off2) {
+ if (pos < off1) {
+ pos = (start + (tick * (min + 1)));
+ }
+ if (pos > off2) {
+ pos = (start + (tick * (min - 1)));
+ }
+ }
+ }
+ }
+ return pos;
+ },
+ /**
+ * @for DDM
+ * @namespace DD
+ * @private
+ * @method _calcTickArray
+ * @description This method is used with the tickXArray and tickYArray config options
+ * @param {Number} pos The current X or Y position
+ * @param {Number} ticks The array containing our custom tick positions.
+ * @param {Number} off1 The min offset that we can't pass (region)
+ * @param {Number} off2 The max offset that we can't pass (region)
+ * @return The tick position
+ */
+ _calcTickArray: function(pos, ticks, off1, off2) {
+ var i = 0, len = ticks.length, next = 0,
+ diff1, diff2, ret;
+
+ if (!ticks || (ticks.length === 0)) {
+ return pos;
+ } else if (ticks[0] >= pos) {
+ return ticks[0];
+ } else {
+ for (i = 0; i < len; i++) {
+ next = (i + 1);
+ if (ticks[next] && ticks[next] >= pos) {
+ diff1 = pos - ticks[i];
+ diff2 = ticks[next] - pos;
+ ret = (diff2 > diff1) ? ticks[i] : ticks[next];
+ if (off1 && off2) {
+ if (ret > off2) {
+ if (ticks[i]) {
+ ret = ticks[i];
+ } else {
+ ret = ticks[len - 1];
+ }
+ }
+ }
+ return ret;
+ }
+
+ }
+ return ticks[ticks.length - 1];
+ }
+ }
+ });
+
+
+
+
+}, '3.0.0b1' ,{requires:['dd-drag'], skinnable:false});
+YUI.add('dd-scroll', function(Y) {
+
+
+ /**
+ * 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.
+ * @module dd
+ * @submodule dd-scroll
+ */
+ /**
+ * This class is the base scroller class used to create the Plugin.DDNodeScroll and Plugin.DDWinScroll.
+ * This class should not be called on it's own, it's designed to be a plugin.
+ * @class Scroll
+ * @extends Base
+ * @namespace DD
+ * @constructor
+ */
+
+ var S = function() {
+ S.superclass.constructor.apply(this, arguments);
+
+ },
+ HOST = 'host',
+ BUFFER = 'buffer',
+ PARENT_SCROLL = 'parentScroll',
+ WINDOW_SCROLL = 'windowScroll',
+ SCROLL_TOP = 'scrollTop',
+ SCROLL_LEFT = 'scrollLeft',
+ OFFSET_WIDTH = 'offsetWidth',
+ OFFSET_HEIGHT = 'offsetHeight';
+
+
+ S.ATTRS = {
+ /**
+ * @attribute parentScroll
+ * @description Internal config option to hold the node that we are scrolling. Should not be set by the developer.
+ * @type Node
+ */
+ parentScroll: {
+ value: false,
+ setter: function(node) {
+ if (node) {
+ return node;
+ }
+ return false;
+ }
+ },
+ /**
+ * @attribute buffer
+ * @description The number of pixels from the edge of the screen to turn on scrolling. Default: 30
+ * @type Number
+ */
+ buffer: {
+ value: 30
+ },
+ /**
+ * @attribute scrollDelay
+ * @description The number of milliseconds delay to pass to the auto scroller. Default: 235
+ * @type Number
+ */
+ scrollDelay: {
+ value: 235
+ },
+ /**
+ * @attribute host
+ * @description The host we are plugged into.
+ * @type Object
+ */
+ host: {
+ value: null
+ },
+ /**
+ * @attribute windowScroll
+ * @description Turn on window scroll support, default: false
+ * @type Boolean
+ */
+ windowScroll: {
+ value: false
+ },
+ /**
+ * @attribute vertical
+ * @description Allow vertical scrolling, default: true.
+ * @type Boolean
+ */
+ vertical: {
+ value: true
+ },
+ /**
+ * @attribute horizontal
+ * @description Allow horizontal scrolling, default: true.
+ * @type Boolean
+ */
+ horizontal: {
+ value: true
+ }
+ };
+
+ Y.extend(S, Y.Base, {
+ /**
+ * @private
+ * @property _scrolling
+ * @description Tells if we are actively scrolling or not.
+ * @type Boolean
+ */
+ _scrolling: null,
+ /**
+ * @private
+ * @property _vpRegionCache
+ * @description Cache of the Viewport dims.
+ * @type Object
+ */
+ _vpRegionCache: null,
+ /**
+ * @private
+ * @property _dimCache
+ * @description Cache of the dragNode dims.
+ * @type Object
+ */
+ _dimCache: null,
+ /**
+ * @private
+ * @property _scrollTimer
+ * @description Holder for the Timer object returned from Y.later.
+ * @type {Y.later}
+ */
+ _scrollTimer: null,
+ /**
+ * @private
+ * @method _getVPRegion
+ * @description Sets the _vpRegionCache property with an Object containing the dims from the viewport.
+ */
+ _getVPRegion: function() {
+ var r = {};
+ //if (!this._vpRegionCache) {
+ var n = this.get(PARENT_SCROLL),
+ b = this.get(BUFFER),
+ ws = this.get(WINDOW_SCROLL),
+ xy = ((ws) ? [] : n.getXY()),
+ w = ((ws) ? 'winWidth' : OFFSET_WIDTH),
+ h = ((ws) ? 'winHeight' : OFFSET_HEIGHT),
+ t = ((ws) ? n.get(SCROLL_TOP) : xy[1]),
+ l = ((ws) ? n.get(SCROLL_LEFT) : xy[0]);
+
+ r = {
+ top: t + b,
+ right: (n.get(w) + l) - b,
+ bottom: (n.get(h) + t) - b,
+ left: l + b
+ };
+ this._vpRegionCache = r;
+ //} else {
+ // r = this._vpRegionCache;
+ //}
+ return r;
+ },
+ initializer: function() {
+ var h = this.get(HOST);
+ h.after('drag:start', Y.bind(this.start, this));
+ h.after('drag:end', Y.bind(this.end, this));
+ h.on('drag:align', Y.bind(this.align, this));
+
+ //TODO - This doesn't work yet??
+ Y.get(window).on('scroll', Y.bind(function() {
+ this._vpRegionCache = null;
+ }, this));
+ },
+ /**
+ * @private
+ * @method _checkWinScroll
+ * @description Check to see if we need to fire the scroll timer. If scroll timer is running this will scroll the window.
+ * @param {Boolean} move Should we move the window. From Y.later
+ */
+ _checkWinScroll: function(move) {
+ var r = this._getVPRegion(),
+ ho = this.get(HOST),
+ ws = this.get(WINDOW_SCROLL),
+ xy = ho.lastXY,
+ scroll = false,
+ b = this.get(BUFFER),
+ win = this.get(PARENT_SCROLL),
+ sTop = win.get(SCROLL_TOP),
+ sLeft = win.get(SCROLL_LEFT),
+ w = this._dimCache.w,
+ h = this._dimCache.h,
+ bottom = xy[1] + h,
+ top = xy[1],
+ right = xy[0] + w,
+ left = xy[0],
+ nt = top,
+ nl = left,
+ st = sTop,
+ sl = sLeft;
+
+ if (this.get('horizontal')) {
+ if (left <= r.left) {
+ scroll = true;
+ nl = xy[0] - ((ws) ? b : 0);
+ sl = sLeft - b;
+ }
+ if (right >= r.right) {
+ scroll = true;
+ nl = xy[0] + ((ws) ? b : 0);
+ sl = sLeft + b;
+ }
+ }
+ if (this.get('vertical')) {
+ if (bottom >= r.bottom) {
+ scroll = true;
+ nt = xy[1] + ((ws) ? b : 0);
+ st = sTop + b;
+
+ }
+ if (top <= r.top) {
+ scroll = true;
+ nt = xy[1] - ((ws) ? b : 0);
+ st = sTop - b;
+ }
+ }
+
+ if (st < 0) {
+ st = 0;
+ nt = xy[1];
+ }
+
+ if (sl < 0) {
+ sl = 0;
+ nl = xy[0];
+ }
+
+ if (nt < 0) {
+ nt = xy[1];
+ }
+ if (nl < 0) {
+ nl = xy[0];
+ }
+ if (move) {
+ ho.actXY = [nl, nt];
+ ho._moveNode({ node: win, top: st, left: sl});
+ if (!st && !sl) {
+ this._cancelScroll();
+ }
+ } else {
+ if (scroll) {
+ this._initScroll();
+ } else {
+ this._cancelScroll();
+ }
+ }
+ },
+ /**
+ * @private
+ * @method _initScroll
+ * @description Cancel a previous scroll timer and init a new one.
+ */
+ _initScroll: function() {
+ this._cancelScroll();
+ this._scrollTimer = Y.Lang.later(this.get('scrollDelay'), this, this._checkWinScroll, [true], true);
+
+ },
+ /**
+ * @private
+ * @method _cancelScroll
+ * @description Cancel a currently running scroll timer.
+ */
+ _cancelScroll: function() {
+ this._scrolling = false;
+ if (this._scrollTimer) {
+ this._scrollTimer.cancel();
+ delete this._scrollTimer;
+ }
+ },
+ /**
+ * @method align
+ * @description Called from the drag:align event to determine if we need to scroll.
+ */
+ align: function(e) {
+ if (this._scrolling) {
+ this._cancelScroll();
+ e.preventDefault();
+ }
+ if (!this._scrolling) {
+ this._checkWinScroll();
+ }
+ },
+ /**
+ * @private
+ * @method _setDimCache
+ * @description Set the cache of the dragNode dims.
+ */
+ _setDimCache: function() {
+ var node = this.get(HOST).get('dragNode');
+ this._dimCache = {
+ h: node.get(OFFSET_HEIGHT),
+ w: node.get(OFFSET_WIDTH)
+ };
+ },
+ /**
+ * @method start
+ * @description Called from the drag:start event
+ */
+ start: function() {
+ this._setDimCache();
+ },
+ /**
+ * @method end
+ * @description Called from the drag:end event
+ */
+ end: function(xy) {
+ this._dimCache = null;
+ this._cancelScroll();
+ },
+ /**
+ * @method toString
+ * @description General toString method for logging
+ * @return String name for the object
+ */
+ toString: function() {
+ return S.NAME + ' #' + this.get('node').get('id');
+ }
+ });
+
+ Y.namespace('Plugin');
+
+
+ /**
+ * Extends the Scroll class to make the window scroll while dragging.
+ * @class DDWindowScroll
+ * @extends DD.Scroll
+ * @namespace Plugin
+ * @constructor
+ */
+ var WS = function() {
+ WS.superclass.constructor.apply(this, arguments);
+ };
+ WS.ATTRS = Y.merge(S.ATTRS, {
+ /**
+ * @attribute windowScroll
+ * @description Turn on window scroll support, default: true
+ * @type Boolean
+ */
+ windowScroll: {
+ value: true,
+ setter: function(scroll) {
+ if (scroll) {
+ this.set(PARENT_SCROLL, Y.get(window));
+ }
+ return scroll;
+ }
+ }
+ });
+ Y.extend(WS, S, {
+ //Shouldn't have to do this..
+ initializer: function() {
+ this.set('windowScroll', this.get('windowScroll'));
+ }
+ });
+ WS.NAME = WS.NS = 'winscroll';
+ Y.Plugin.DDWinScroll = WS;
+
+
+ /**
+ * Extends the Scroll class to make a parent node scroll while dragging.
+ * @class DDNodeScroll
+ * @extends DD.Scroll
+ * @namespace Plugin
+ * @constructor
+ */
+ var NS = function() {
+ NS.superclass.constructor.apply(this, arguments);
+
+ };
+ NS.ATTRS = Y.merge(S.ATTRS, {
+ /**
+ * @attribute node
+ * @description The node we want to scroll. Used to set the internal parentScroll attribute.
+ * @type Node
+ */
+ node: {
+ value: false,
+ setter: function(node) {
+ var n = Y.get(node);
+ if (!n) {
+ if (node !== false) {
+ Y.error('DDNodeScroll: Invalid Node Given: ' + node);
+ }
+ } else {
+ n = n.item(0);
+ this.set(PARENT_SCROLL, n);
+ }
+ return n;
+ }
+ }
+ });
+ Y.extend(NS, S, {
+ //Shouldn't have to do this..
+ initializer: function() {
+ this.set('node', this.get('node'));
+ }
+ });
+ NS.NAME = NS.NS = 'nodescroll';
+ Y.Plugin.DDNodeScroll = NS;
+
+ Y.DD.Scroll = S;
+
+
+
+}, '3.0.0b1' ,{skinnable:false, requires:['dd-drag'], optional:['dd-proxy']});
+YUI.add('dd-plugin', function(Y) {
+
+
+ /**
+ * This is a simple Drag plugin that can be attached to a Node via the plug method.
+ * @module dd
+ * @submodule dd-plugin
+ */
+ /**
+ * This is a simple Drag plugin that can be attached to a Node via the plug method.
+ * @class Drag
+ * @extends DD.Drag
+ * @constructor
+ * @namespace Plugin
+ */
+
+
+ var Drag = function(config) {
+ config.node = config.host;
+ Drag.superclass.constructor.apply(this, arguments);
+ };
+
+ /**
+ * @property NAME
+ * @description dd-plugin
+ * @type {String}
+ */
+ Drag.NAME = "dd-plugin";
+
+ /**
+ * @property NS
+ * @description The Drag instance will be placed on the Node instance under the dd namespace. It can be accessed via Node.dd;
+ * @type {String}
+ */
+ Drag.NS = "dd";
+
+
+ Y.extend(Drag, Y.DD.Drag);
+ Y.namespace('Plugin');
+ Y.Plugin.Drag = Drag;
+
+
+
+
+
+}, '3.0.0b1' ,{skinnable:false, requires:['dd-drag'], optional:['dd-constrain', 'dd-proxy']});
+YUI.add('dd-drop', function(Y) {
+
+
+ /**
+ * 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.
+ * @module dd
+ * @submodule dd-drop
+ */
+ /**
+ * This class provides the ability to create a Drop Target.
+ * @class Drop
+ * @extends Base
+ * @constructor
+ * @namespace DD
+ */
+
+ var NODE = 'node',
+ DDM = Y.DD.DDM,
+ OFFSET_HEIGHT = 'offsetHeight',
+ OFFSET_WIDTH = 'offsetWidth',
+ /**
+ * @event drop:over
+ * @description Fires when a drag element is over this target.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_DROP_OVER = 'drop:over',
+ /**
+ * @event drop:enter
+ * @description Fires when a drag element enters this target.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_DROP_ENTER = 'drop:enter',
+ /**
+ * @event drop:exit
+ * @description Fires when a drag element exits this target.
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+ EV_DROP_EXIT = 'drop:exit',
+
+ /**
+ * @event drop:hit
+ * @description Fires when a draggable node is dropped on this Drop Target. (Fired from dd-ddm-drop)
+ * @bubbles DDM
+ * @type {Event.Custom}
+ */
+
+
+ Drop = function() {
+ this._lazyAddAttrs = false;
+ Drop.superclass.constructor.apply(this, arguments);
+
+
+ //DD init speed up.
+ Y.on('domready', Y.bind(function() {
+ Y.later(100, this, this._createShim);
+ }, this));
+ DDM._regTarget(this);
+
+ /* TODO
+ if (Dom.getStyle(this.el, 'position') == 'fixed') {
+ Event.on(window, 'scroll', function() {
+ this.activateShim();
+ }, this, true);
+ }
+ */
+ };
+
+ Drop.NAME = 'drop';
+
+ Drop.ATTRS = {
+ /**
+ * @attribute node
+ * @description Y.Node instanace to use as the element to make a Drop Target
+ * @type Node
+ */
+ node: {
+ setter: function(node) {
+ var n = Y.Node.get(node);
+ if (!n) {
+ Y.error('DD.Drop: Invalid Node Given: ' + node);
+ }
+ return n;
+ }
+ },
+ /**
+ * @attribute groups
+ * @description Array of groups to add this drop into.
+ * @type Array
+ */
+ groups: {
+ value: ['default'],
+ setter: function(g) {
+ this._groups = {};
+ Y.each(g, function(v, k) {
+ this._groups[v] = true;
+ }, this);
+ return g;
+ }
+ },
+ /**
+ * @attribute padding
+ * @description CSS style padding to make the Drop Target bigger than the node.
+ * @type String
+ */
+ padding: {
+ value: '0',
+ setter: function(p) {
+ return DDM.cssSizestoObject(p);
+ }
+ },
+ /**
+ * @attribute lock
+ * @description Set to lock this drop element.
+ * @type Boolean
+ */
+ lock: {
+ value: false,
+ setter: function(lock) {
+ if (lock) {
+ this.get(NODE).addClass(DDM.CSS_PREFIX + '-drop-locked');
+ } else {
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-drop-locked');
+ }
+ return lock;
+ }
+ },
+ /**
+ * @attribute bubbles
+ * @description Controls the default bubble parent for this Drop instance. Default: Y.DD.DDM. Set to false to disable bubbling.
+ * @type Object
+ */
+ bubbles: {
+ writeOnce: true,
+ value: Y.DD.DDM
+ }
+ };
+
+ Y.extend(Drop, Y.Base, {
+ /**
+ * @private
+ * @method _createEvents
+ * @description This method creates all the events for this Event Target and publishes them so we get Event Bubbling.
+ */
+ _createEvents: function() {
+
+ var ev = [
+ EV_DROP_OVER,
+ EV_DROP_ENTER,
+ EV_DROP_EXIT,
+ 'drop:hit'
+ ];
+
+ Y.each(ev, function(v, k) {
+ this.publish(v, {
+ type: v,
+ emitFacade: true,
+ preventable: false,
+ bubbles: true,
+ queuable: false,
+ prefix: 'drop'
+ });
+ }, this);
+
+ if (this.get('bubbles')) {
+ this.addTarget(this.get('bubbles'));
+ }
+
+ },
+ /**
+ * @private
+ * @property _valid
+ * @description Flag for determining if the target is valid in this operation.
+ * @type Boolean
+ */
+ _valid: null,
+ /**
+ * @private
+ * @property _groups
+ * @description The groups this target belongs to.
+ * @type Array
+ */
+ _groups: null,
+ /**
+ * @property shim
+ * @description Node reference to the targets shim
+ * @type {Object}
+ */
+ shim: null,
+ /**
+ * @property region
+ * @description A region object associated with this target, used for checking regions while dragging.
+ * @type Object
+ */
+ region: null,
+ /**
+ * @property overTarget
+ * @description This flag is tripped when a drag element is over this target.
+ * @type Boolean
+ */
+ overTarget: null,
+ /**
+ * @method inGroup
+ * @description Check if this target is in one of the supplied groups.
+ * @param {Array} groups The groups to check against
+ * @return Boolean
+ */
+ inGroup: function(groups) {
+ this._valid = false;
+ var ret = false;
+ Y.each(groups, function(v, k) {
+ if (this._groups[v]) {
+ ret = true;
+ this._valid = true;
+ }
+ }, this);
+ return ret;
+ },
+ /**
+ * @private
+ * @method initializer
+ * @description Private lifecycle method
+ */
+ initializer: function() {
+ //this._createEvents();
+ Y.later(100, this, this._createEvents);
+
+ var node = this.get(NODE), id;
+ if (!node.get('id')) {
+ id = Y.stamp(node);
+ node.set('id', id);
+ }
+ node.addClass(DDM.CSS_PREFIX + '-drop');
+ //Shouldn't have to do this..
+ this.set('groups', this.get('groups'));
+ },
+ /**
+ * @private
+ * @method destructor
+ * @description Lifecycle destructor, unreg the drag from the DDM and remove listeners
+ */
+ destructor: function() {
+ DDM._unregTarget(this);
+ if (this.shim) {
+ this.shim.detachAll();
+ this.shim.get('parentNode').removeChild(this.shim);
+ this.shim = null;
+ }
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-drop');
+ this.detachAll();
+ },
+ /**
+ * @private
+ * @method _deactivateShim
+ * @description Removes classes from the target, resets some flags and sets the shims deactive position [-999, -999]
+ */
+ _deactivateShim: function() {
+ if (!this.shim) {
+ return false;
+ }
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-drop-active-valid');
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-drop-active-invalid');
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-drop-over');
+ this.shim.setStyles({
+ top: '-999px',
+ left: '-999px',
+ zIndex: '2'
+ });
+ this.overTarget = false;
+ },
+ /**
+ * @private
+ * @method _activateShim
+ * @description Activates the shim and adds some interaction CSS classes
+ */
+ _activateShim: function() {
+ if (!DDM.activeDrag) {
+ return false; //Nothing is dragging, no reason to activate.
+ }
+ if (this.get(NODE) === DDM.activeDrag.get(NODE)) {
+ return false;
+ }
+ if (this.get('lock')) {
+ return false;
+ }
+ var node = this.get(NODE);
+ //TODO Visibility Check..
+ //if (this.inGroup(DDM.activeDrag.get('groups')) && this.get(NODE).isVisible()) {
+ if (this.inGroup(DDM.activeDrag.get('groups'))) {
+ node.removeClass(DDM.CSS_PREFIX + '-drop-active-invalid');
+ node.addClass(DDM.CSS_PREFIX + '-drop-active-valid');
+ DDM._addValid(this);
+ this.overTarget = false;
+ this.sizeShim();
+ } else {
+ DDM._removeValid(this);
+ node.removeClass(DDM.CSS_PREFIX + '-drop-active-valid');
+ node.addClass(DDM.CSS_PREFIX + '-drop-active-invalid');
+ }
+ },
+ /**
+ * @method sizeShim
+ * @description Positions and sizes the shim with the raw data from the node, this can be used to programatically adjust the Targets shim for Animation..
+ */
+ sizeShim: function() {
+ if (!DDM.activeDrag) {
+ return false; //Nothing is dragging, no reason to activate.
+ }
+ if (this.get(NODE) === DDM.activeDrag.get(NODE)) {
+ return false;
+ }
+ if (this.get('lock')) {
+ return false;
+ }
+ if (!this.shim) {
+ Y.later(100, this, this.sizeShim);
+ return false;
+ }
+ var node = this.get(NODE),
+ nh = node.get(OFFSET_HEIGHT),
+ nw = node.get(OFFSET_WIDTH),
+ xy = node.getXY(),
+ p = this.get('padding'),
+ dd, dH, dW;
+
+
+ //Apply padding
+ nw = nw + p.left + p.right;
+ nh = nh + p.top + p.bottom;
+ xy[0] = xy[0] - p.left;
+ xy[1] = xy[1] - p.top;
+
+
+ if (DDM.activeDrag.get('dragMode') === DDM.INTERSECT) {
+ //Intersect Mode, make the shim bigger
+ dd = DDM.activeDrag;
+ dH = dd.get(NODE).get(OFFSET_HEIGHT);
+ dW = dd.get(NODE).get(OFFSET_WIDTH);
+
+ nh = (nh + dH);
+ nw = (nw + dW);
+ xy[0] = xy[0] - (dW - dd.deltaXY[0]);
+ xy[1] = xy[1] - (dH - dd.deltaXY[1]);
+
+ }
+
+ //Set the style on the shim
+ this.shim.setStyles({
+ height: nh + 'px',
+ width: nw + 'px',
+ top: xy[1] + 'px',
+ left: xy[0] + 'px'
+ });
+
+ //Create the region to be used by intersect when a drag node is over us.
+ this.region = {
+ '0': xy[0],
+ '1': xy[1],
+ area: 0,
+ top: xy[1],
+ right: xy[0] + nw,
+ bottom: xy[1] + nh,
+ left: xy[0]
+ };
+ },
+ /**
+ * @private
+ * @method _createShim
+ * @description Creates the Target shim and adds it to the DDM's playground..
+ */
+ _createShim: function() {
+ //No playground, defer
+ if (!DDM._pg) {
+ Y.later(10, this, this._createShim);
+ return;
+ }
+ //Shim already here, cancel
+ if (this.shim) {
+ return;
+ }
+ var s = Y.Node.create('<div id="' + this.get(NODE).get('id') + '_shim"></div>');
+
+ s.setStyles({
+ height: this.get(NODE).get(OFFSET_HEIGHT) + 'px',
+ width: this.get(NODE).get(OFFSET_WIDTH) + 'px',
+ backgroundColor: 'yellow',
+ opacity: '.5',
+ zIndex: '1',
+ overflow: 'hidden',
+ top: '-900px',
+ left: '-900px',
+ position: 'absolute'
+ });
+ DDM._pg.appendChild(s);
+ this.shim = s;
+
+ s.on('mouseover', Y.bind(this._handleOverEvent, this));
+ s.on('mouseout', Y.bind(this._handleOutEvent, this));
+ },
+ /**
+ * @private
+ * @method _handleOverTarget
+ * @description This handles the over target call made from this object or from the DDM
+ */
+ _handleTargetOver: function() {
+ if (DDM.isOverTarget(this)) {
+ this.get(NODE).addClass(DDM.CSS_PREFIX + '-drop-over');
+ DDM.activeDrop = this;
+ DDM.otherDrops[this] = this;
+ if (this.overTarget) {
+ DDM.activeDrag.fire('drag:over', { drop: this, drag: DDM.activeDrag });
+ this.fire(EV_DROP_OVER, { drop: this, drag: DDM.activeDrag });
+ } else {
+ this.overTarget = true;
+ this.fire(EV_DROP_ENTER, { drop: this, drag: DDM.activeDrag });
+ DDM.activeDrag.fire('drag:enter', { drop: this, drag: DDM.activeDrag });
+ DDM.activeDrag.get(NODE).addClass(DDM.CSS_PREFIX + '-drag-over');
+ //TODO - Is this needed??
+ //DDM._handleTargetOver();
+ }
+ } else {
+ this._handleOut();
+ }
+ },
+ /**
+ * @private
+ * @method _handleOverEvent
+ * @description Handles the mouseover DOM event on the Target Shim
+ */
+ _handleOverEvent: function() {
+ this.shim.setStyle('zIndex', '999');
+ DDM._addActiveShim(this);
+ },
+ /**
+ * @private
+ * @method _handleOutEvent
+ * @description Handles the mouseout DOM event on the Target Shim
+ */
+ _handleOutEvent: function() {
+ this.shim.setStyle('zIndex', '1');
+ DDM._removeActiveShim(this);
+ },
+ /**
+ * @private
+ * @method _handleOut
+ * @description Handles out of target calls/checks
+ */
+ _handleOut: function(force) {
+ if (!DDM.isOverTarget(this) || force) {
+ if (this.overTarget) {
+ this.overTarget = false;
+ if (!force) {
+ DDM._removeActiveShim(this);
+ }
+ if (DDM.activeDrag) {
+ this.get(NODE).removeClass(DDM.CSS_PREFIX + '-drop-over');
+ DDM.activeDrag.get(NODE).removeClass(DDM.CSS_PREFIX + '-drag-over');
+ this.fire(EV_DROP_EXIT);
+ DDM.activeDrag.fire('drag:exit', { drop: this });
+ delete DDM.otherDrops[this];
+ //if (DDM.activeDrop === this) {
+ // DDM.activeDrop = null;
+ //}
+ }
+ }
+ }
+ }
+ });
+
+ Y.DD.Drop = Drop;
+
+
+
+
+
+}, '3.0.0b1' ,{requires:['dd-ddm-drop', 'dd-drag'], skinnable:false});
+YUI.add('dd-drop-plugin', function(Y) {
+
+
+ /**
+ * This is a simple Drop plugin that can be attached to a Node via the plug method.
+ * @module dd
+ * @submodule dd-drop-plugin
+ */
+ /**
+ * This is a simple Drop plugin that can be attached to a Node via the plug method.
+ * @class Drop
+ * @extends DD.Drop
+ * @constructor
+ * @namespace Plugin
+ */
+
+
+ var Drop = function(config) {
+ config.node = config.host;
+ Drop.superclass.constructor.apply(this, arguments);
+ };
+
+ /**
+ * @property NAME
+ * @description dd-drop-plugin
+ * @type {String}
+ */
+ Drop.NAME = "dd-drop-plugin";
+ /**
+ * @property NS
+ * @description The Drop instance will be placed on the Node instance under the drop namespace. It can be accessed via Node.drop;
+ * @type {String}
+ */
+ Drop.NS = "drop";
+
+
+ Y.extend(Drop, Y.DD.Drop);
+ Y.namespace('Plugin');
+ Y.Plugin.Drop = Drop;
+
+
+
+
+
+}, '3.0.0b1' ,{requires:['dd-drop'], skinnable:false});
+
+
+YUI.add('dd', function(Y){}, '3.0.0b1' ,{use:['dd-ddm-base', 'dd-ddm', 'dd-ddm-drop', 'dd-drag', 'dd-proxy', 'dd-constrain', 'dd-plugin', 'dd-drop', 'dd-drop-plugin', 'dd-scroll'], skinnable:false});
+