X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..c8256059947f3aa8f5b0a9a2acf55e2142bb4742:/docs/source/DragSource.html diff --git a/docs/source/DragSource.html b/docs/source/DragSource.html index d0e60674..82ea976d 100644 --- a/docs/source/DragSource.html +++ b/docs/source/DragSource.html @@ -1,368 +1,380 @@ - - - The source code - - - - -
/** - * @class Ext.dd.DragSource - * @extends Ext.dd.DDProxy - * A simple class that provides the basic implementation needed to make any element draggable. - * @constructor - * @param {Mixed} el The container element - * @param {Object} config - */ -Ext.dd.DragSource = function(el, config){ - this.el = Ext.get(el); - if(!this.dragData){ - this.dragData = {}; - } - - Ext.apply(this, config); - - if(!this.proxy){ - this.proxy = new Ext.dd.StatusProxy(); - } - Ext.dd.DragSource.superclass.constructor.call(this, this.el.dom, this.ddGroup || this.group, - {dragElId : this.proxy.id, resizeFrame: false, isTarget: false, scroll: this.scroll === true}); - - this.dragging = false; -}; - -Ext.extend(Ext.dd.DragSource, Ext.dd.DDProxy, { -
/** - * @cfg {String} ddGroup - * A named drag drop group to which this object belongs. If a group is specified, then this object will only - * interact with other drag drop objects in the same group (defaults to undefined). - */ -
/** - * @cfg {String} dropAllowed - * The CSS class returned to the drag source when drop is allowed (defaults to "x-dd-drop-ok"). - */ - dropAllowed : "x-dd-drop-ok", -
/** - * @cfg {String} dropNotAllowed - * The CSS class returned to the drag source when drop is not allowed (defaults to "x-dd-drop-nodrop"). - */ - dropNotAllowed : "x-dd-drop-nodrop", - -
/** - * Returns the data object associated with this drag source - * @return {Object} data An object containing arbitrary data - */ - getDragData : function(e){ - return this.dragData; - }, - - // private - onDragEnter : function(e, id){ - var target = Ext.dd.DragDropMgr.getDDById(id); - this.cachedTarget = target; - if(this.beforeDragEnter(target, e, id) !== false){ - if(target.isNotifyTarget){ - var status = target.notifyEnter(this, e, this.dragData); - this.proxy.setStatus(status); - }else{ - this.proxy.setStatus(this.dropAllowed); - } - - if(this.afterDragEnter){ -
/** - * An empty function by default, but provided so that you can perform a custom action - * when the dragged item enters the drop target by providing an implementation. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @method afterDragEnter - */ - this.afterDragEnter(target, e, id); - } - } - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action - * before the dragged item enters the drop target and optionally cancel the onDragEnter. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @return {Boolean} isValid True if the drag event is valid, else false to cancel - */ - beforeDragEnter : function(target, e, id){ - return true; - }, - - // private - alignElWithMouse: function() { - Ext.dd.DragSource.superclass.alignElWithMouse.apply(this, arguments); - this.proxy.sync(); - }, - - // private - onDragOver : function(e, id){ - var target = this.cachedTarget || Ext.dd.DragDropMgr.getDDById(id); - if(this.beforeDragOver(target, e, id) !== false){ - if(target.isNotifyTarget){ - var status = target.notifyOver(this, e, this.dragData); - this.proxy.setStatus(status); - } - - if(this.afterDragOver){ -
/** - * An empty function by default, but provided so that you can perform a custom action - * while the dragged item is over the drop target by providing an implementation. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @method afterDragOver - */ - this.afterDragOver(target, e, id); - } - } - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action - * while the dragged item is over the drop target and optionally cancel the onDragOver. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @return {Boolean} isValid True if the drag event is valid, else false to cancel - */ - beforeDragOver : function(target, e, id){ - return true; - }, - - // private - onDragOut : function(e, id){ - var target = this.cachedTarget || Ext.dd.DragDropMgr.getDDById(id); - if(this.beforeDragOut(target, e, id) !== false){ - if(target.isNotifyTarget){ - target.notifyOut(this, e, this.dragData); - } - this.proxy.reset(); - if(this.afterDragOut){ -
/** - * An empty function by default, but provided so that you can perform a custom action - * after the dragged item is dragged out of the target without dropping. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @method afterDragOut - */ - this.afterDragOut(target, e, id); - } - } - this.cachedTarget = null; - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action before the dragged - * item is dragged out of the target without dropping, and optionally cancel the onDragOut. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @return {Boolean} isValid True if the drag event is valid, else false to cancel - */ - beforeDragOut : function(target, e, id){ - return true; - }, - - // private - onDragDrop : function(e, id){ - var target = this.cachedTarget || Ext.dd.DragDropMgr.getDDById(id); - if(this.beforeDragDrop(target, e, id) !== false){ - if(target.isNotifyTarget){ - if(target.notifyDrop(this, e, this.dragData)){ // valid drop? - this.onValidDrop(target, e, id); - }else{ - this.onInvalidDrop(target, e, id); - } - }else{ - this.onValidDrop(target, e, id); - } - - if(this.afterDragDrop){ -
/** - * An empty function by default, but provided so that you can perform a custom action - * after a valid drag drop has occurred by providing an implementation. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dropped element - * @method afterDragDrop - */ - this.afterDragDrop(target, e, id); - } - } - delete this.cachedTarget; - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action before the dragged - * item is dropped onto the target and optionally cancel the onDragDrop. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @return {Boolean} isValid True if the drag drop event is valid, else false to cancel - */ - beforeDragDrop : function(target, e, id){ - return true; - }, - - // private - onValidDrop : function(target, e, id){ - this.hideProxy(); - if(this.afterValidDrop){ - /** - * An empty function by default, but provided so that you can perform a custom action - * after a valid drop has occurred by providing an implementation. - * @param {Object} target The target DD - * @param {Event} e The event object - * @param {String} id The id of the dropped element - * @method afterInvalidDrop - */ - this.afterValidDrop(target, e, id); - } - }, - - // private - getRepairXY : function(e, data){ - return this.el.getXY(); - }, - - // private - onInvalidDrop : function(target, e, id){ - this.beforeInvalidDrop(target, e, id); - if(this.cachedTarget){ - if(this.cachedTarget.isNotifyTarget){ - this.cachedTarget.notifyOut(this, e, this.dragData); - } - this.cacheTarget = null; - } - this.proxy.repair(this.getRepairXY(e, this.dragData), this.afterRepair, this); - - if(this.afterInvalidDrop){ -
/** - * An empty function by default, but provided so that you can perform a custom action - * after an invalid drop has occurred by providing an implementation. - * @param {Event} e The event object - * @param {String} id The id of the dropped element - * @method afterInvalidDrop - */ - this.afterInvalidDrop(e, id); - } - }, - - // private - afterRepair : function(){ - if(Ext.enableFx){ - this.el.highlight(this.hlColor || "c3daf9"); - } - this.dragging = false; - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action after an invalid - * drop has occurred. - * @param {Ext.dd.DragDrop} target The drop target - * @param {Event} e The event object - * @param {String} id The id of the dragged element - * @return {Boolean} isValid True if the invalid drop should proceed, else false to cancel - */ - beforeInvalidDrop : function(target, e, id){ - return true; - }, - - // private - handleMouseDown : function(e){ - if(this.dragging) { - return; - } - var data = this.getDragData(e); - if(data && this.onBeforeDrag(data, e) !== false){ - this.dragData = data; - this.proxy.stop(); - Ext.dd.DragSource.superclass.handleMouseDown.apply(this, arguments); - } - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action before the initial - * drag event begins and optionally cancel it. - * @param {Object} data An object containing arbitrary data to be shared with drop targets - * @param {Event} e The event object - * @return {Boolean} isValid True if the drag event is valid, else false to cancel - */ - onBeforeDrag : function(data, e){ - return true; - }, - -
/** - * An empty function by default, but provided so that you can perform a custom action once the initial - * drag event has begun. The drag cannot be canceled from this function. - * @param {Number} x The x position of the click on the dragged object - * @param {Number} y The y position of the click on the dragged object - */ - onStartDrag : Ext.emptyFn, - - // private override - startDrag : function(x, y){ - this.proxy.reset(); - this.dragging = true; - this.proxy.update(""); - this.onInitDrag(x, y); - this.proxy.show(); - }, - - // private - onInitDrag : function(x, y){ - var clone = this.el.dom.cloneNode(true); - clone.id = Ext.id(); // prevent duplicate ids - this.proxy.update(clone); - this.onStartDrag(x, y); - return true; - }, - -
/** - * Returns the drag source's underlying {@link Ext.dd.StatusProxy} - * @return {Ext.dd.StatusProxy} proxy The StatusProxy - */ - getProxy : function(){ - return this.proxy; - }, - -
/** - * Hides the drag source's {@link Ext.dd.StatusProxy} - */ - hideProxy : function(){ - this.proxy.hide(); - this.proxy.reset(true); - this.dragging = false; - }, - - // private - triggerCacheRefresh : function(){ - Ext.dd.DDM.refreshCache(this.groups); - }, - - // private - override to prevent hiding - b4EndDrag: function(e) { - }, - - // private - override to prevent moving - endDrag : function(e){ - this.onEndDrag(this.dragData, e); - }, - - // private - onEndDrag : function(data, e){ - }, - - // private - pin to cursor - autoOffset : function(x, y) { - this.setDelta(-12, -20); - } -});
- + + + + The source code + + + + +
/*!
+ * Ext JS Library 3.2.1
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+
/** + * @class Ext.dd.DragSource + * @extends Ext.dd.DDProxy + * A simple class that provides the basic implementation needed to make any element draggable. + * @constructor + * @param {Mixed} el The container element + * @param {Object} config + */ +Ext.dd.DragSource = function(el, config){ + this.el = Ext.get(el); + if(!this.dragData){ + this.dragData = {}; + } + + Ext.apply(this, config); + + if(!this.proxy){ + this.proxy = new Ext.dd.StatusProxy(); + } + Ext.dd.DragSource.superclass.constructor.call(this, this.el.dom, this.ddGroup || this.group, + {dragElId : this.proxy.id, resizeFrame: false, isTarget: false, scroll: this.scroll === true}); + + this.dragging = false; +}; + +Ext.extend(Ext.dd.DragSource, Ext.dd.DDProxy, { +
/** + * @cfg {String} ddGroup + * A named drag drop group to which this object belongs. If a group is specified, then this object will only + * interact with other drag drop objects in the same group (defaults to undefined). + */ +
/** + * @cfg {String} dropAllowed + * The CSS class returned to the drag source when drop is allowed (defaults to "x-dd-drop-ok"). + */ + dropAllowed : "x-dd-drop-ok", +
/** + * @cfg {String} dropNotAllowed + * The CSS class returned to the drag source when drop is not allowed (defaults to "x-dd-drop-nodrop"). + */ + dropNotAllowed : "x-dd-drop-nodrop", + +
/** + * Returns the data object associated with this drag source + * @return {Object} data An object containing arbitrary data + */ + getDragData : function(e){ + return this.dragData; + }, + + // private + onDragEnter : function(e, id){ + var target = Ext.dd.DragDropMgr.getDDById(id); + this.cachedTarget = target; + if(this.beforeDragEnter(target, e, id) !== false){ + if(target.isNotifyTarget){ + var status = target.notifyEnter(this, e, this.dragData); + this.proxy.setStatus(status); + }else{ + this.proxy.setStatus(this.dropAllowed); + } + + if(this.afterDragEnter){ +
/** + * An empty function by default, but provided so that you can perform a custom action + * when the dragged item enters the drop target by providing an implementation. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @method afterDragEnter + */ + this.afterDragEnter(target, e, id); + } + } + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action + * before the dragged item enters the drop target and optionally cancel the onDragEnter. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @return {Boolean} isValid True if the drag event is valid, else false to cancel + */ + beforeDragEnter : function(target, e, id){ + return true; + }, + + // private + alignElWithMouse: function() { + Ext.dd.DragSource.superclass.alignElWithMouse.apply(this, arguments); + this.proxy.sync(); + }, + + // private + onDragOver : function(e, id){ + var target = this.cachedTarget || Ext.dd.DragDropMgr.getDDById(id); + if(this.beforeDragOver(target, e, id) !== false){ + if(target.isNotifyTarget){ + var status = target.notifyOver(this, e, this.dragData); + this.proxy.setStatus(status); + } + + if(this.afterDragOver){ +
/** + * An empty function by default, but provided so that you can perform a custom action + * while the dragged item is over the drop target by providing an implementation. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @method afterDragOver + */ + this.afterDragOver(target, e, id); + } + } + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action + * while the dragged item is over the drop target and optionally cancel the onDragOver. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @return {Boolean} isValid True if the drag event is valid, else false to cancel + */ + beforeDragOver : function(target, e, id){ + return true; + }, + + // private + onDragOut : function(e, id){ + var target = this.cachedTarget || Ext.dd.DragDropMgr.getDDById(id); + if(this.beforeDragOut(target, e, id) !== false){ + if(target.isNotifyTarget){ + target.notifyOut(this, e, this.dragData); + } + this.proxy.reset(); + if(this.afterDragOut){ +
/** + * An empty function by default, but provided so that you can perform a custom action + * after the dragged item is dragged out of the target without dropping. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @method afterDragOut + */ + this.afterDragOut(target, e, id); + } + } + this.cachedTarget = null; + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action before the dragged + * item is dragged out of the target without dropping, and optionally cancel the onDragOut. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @return {Boolean} isValid True if the drag event is valid, else false to cancel + */ + beforeDragOut : function(target, e, id){ + return true; + }, + + // private + onDragDrop : function(e, id){ + var target = this.cachedTarget || Ext.dd.DragDropMgr.getDDById(id); + if(this.beforeDragDrop(target, e, id) !== false){ + if(target.isNotifyTarget){ + if(target.notifyDrop(this, e, this.dragData)){ // valid drop? + this.onValidDrop(target, e, id); + }else{ + this.onInvalidDrop(target, e, id); + } + }else{ + this.onValidDrop(target, e, id); + } + + if(this.afterDragDrop){ +
/** + * An empty function by default, but provided so that you can perform a custom action + * after a valid drag drop has occurred by providing an implementation. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dropped element + * @method afterDragDrop + */ + this.afterDragDrop(target, e, id); + } + } + delete this.cachedTarget; + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action before the dragged + * item is dropped onto the target and optionally cancel the onDragDrop. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @return {Boolean} isValid True if the drag drop event is valid, else false to cancel + */ + beforeDragDrop : function(target, e, id){ + return true; + }, + + // private + onValidDrop : function(target, e, id){ + this.hideProxy(); + if(this.afterValidDrop){ + /** + * An empty function by default, but provided so that you can perform a custom action + * after a valid drop has occurred by providing an implementation. + * @param {Object} target The target DD + * @param {Event} e The event object + * @param {String} id The id of the dropped element + * @method afterInvalidDrop + */ + this.afterValidDrop(target, e, id); + } + }, + + // private + getRepairXY : function(e, data){ + return this.el.getXY(); + }, + + // private + onInvalidDrop : function(target, e, id){ + this.beforeInvalidDrop(target, e, id); + if(this.cachedTarget){ + if(this.cachedTarget.isNotifyTarget){ + this.cachedTarget.notifyOut(this, e, this.dragData); + } + this.cacheTarget = null; + } + this.proxy.repair(this.getRepairXY(e, this.dragData), this.afterRepair, this); + + if(this.afterInvalidDrop){ +
/** + * An empty function by default, but provided so that you can perform a custom action + * after an invalid drop has occurred by providing an implementation. + * @param {Event} e The event object + * @param {String} id The id of the dropped element + * @method afterInvalidDrop + */ + this.afterInvalidDrop(e, id); + } + }, + + // private + afterRepair : function(){ + if(Ext.enableFx){ + this.el.highlight(this.hlColor || "c3daf9"); + } + this.dragging = false; + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action after an invalid + * drop has occurred. + * @param {Ext.dd.DragDrop} target The drop target + * @param {Event} e The event object + * @param {String} id The id of the dragged element + * @return {Boolean} isValid True if the invalid drop should proceed, else false to cancel + */ + beforeInvalidDrop : function(target, e, id){ + return true; + }, + + // private + handleMouseDown : function(e){ + if(this.dragging) { + return; + } + var data = this.getDragData(e); + if(data && this.onBeforeDrag(data, e) !== false){ + this.dragData = data; + this.proxy.stop(); + Ext.dd.DragSource.superclass.handleMouseDown.apply(this, arguments); + } + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action before the initial + * drag event begins and optionally cancel it. + * @param {Object} data An object containing arbitrary data to be shared with drop targets + * @param {Event} e The event object + * @return {Boolean} isValid True if the drag event is valid, else false to cancel + */ + onBeforeDrag : function(data, e){ + return true; + }, + +
/** + * An empty function by default, but provided so that you can perform a custom action once the initial + * drag event has begun. The drag cannot be canceled from this function. + * @param {Number} x The x position of the click on the dragged object + * @param {Number} y The y position of the click on the dragged object + */ + onStartDrag : Ext.emptyFn, + + // private override + startDrag : function(x, y){ + this.proxy.reset(); + this.dragging = true; + this.proxy.update(""); + this.onInitDrag(x, y); + this.proxy.show(); + }, + + // private + onInitDrag : function(x, y){ + var clone = this.el.dom.cloneNode(true); + clone.id = Ext.id(); // prevent duplicate ids + this.proxy.update(clone); + this.onStartDrag(x, y); + return true; + }, + +
/** + * Returns the drag source's underlying {@link Ext.dd.StatusProxy} + * @return {Ext.dd.StatusProxy} proxy The StatusProxy + */ + getProxy : function(){ + return this.proxy; + }, + +
/** + * Hides the drag source's {@link Ext.dd.StatusProxy} + */ + hideProxy : function(){ + this.proxy.hide(); + this.proxy.reset(true); + this.dragging = false; + }, + + // private + triggerCacheRefresh : function(){ + Ext.dd.DDM.refreshCache(this.groups); + }, + + // private - override to prevent hiding + b4EndDrag: function(e) { + }, + + // private - override to prevent moving + endDrag : function(e){ + this.onEndDrag(this.dragData, e); + }, + + // private + onEndDrag : function(data, e){ + }, + + // private - pin to cursor + autoOffset : function(x, y) { + this.setDelta(-12, -20); + }, + + destroy: function(){ + Ext.dd.DragSource.superclass.destroy.call(this); + Ext.destroy(this.proxy); + } +});
+ \ No newline at end of file