--- /dev/null
+/*!
+ * Ext JS Library 3.0.0
+ * Copyright(c) 2006-2009 Ext JS, LLC
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+/**\r
+ * @class Ext.dd.StatusProxy\r
+ * A specialized drag proxy that supports a drop status icon, {@link Ext.Layer} styles and auto-repair. This is the\r
+ * default drag proxy used by all Ext.dd components.\r
+ * @constructor\r
+ * @param {Object} config\r
+ */\r
+Ext.dd.StatusProxy = function(config){\r
+ Ext.apply(this, config);\r
+ this.id = this.id || Ext.id();\r
+ this.el = new Ext.Layer({\r
+ dh: {\r
+ id: this.id, tag: "div", cls: "x-dd-drag-proxy "+this.dropNotAllowed, children: [\r
+ {tag: "div", cls: "x-dd-drop-icon"},\r
+ {tag: "div", cls: "x-dd-drag-ghost"}\r
+ ]\r
+ }, \r
+ shadow: !config || config.shadow !== false\r
+ });\r
+ this.ghost = Ext.get(this.el.dom.childNodes[1]);\r
+ this.dropStatus = this.dropNotAllowed;\r
+};\r
+\r
+Ext.dd.StatusProxy.prototype = {\r
+ /**\r
+ * @cfg {String} dropAllowed\r
+ * The CSS class to apply to the status element when drop is allowed (defaults to "x-dd-drop-ok").\r
+ */\r
+ dropAllowed : "x-dd-drop-ok",\r
+ /**\r
+ * @cfg {String} dropNotAllowed\r
+ * The CSS class to apply to the status element when drop is not allowed (defaults to "x-dd-drop-nodrop").\r
+ */\r
+ dropNotAllowed : "x-dd-drop-nodrop",\r
+\r
+ /**\r
+ * Updates the proxy's visual element to indicate the status of whether or not drop is allowed\r
+ * over the current target element.\r
+ * @param {String} cssClass The css class for the new drop status indicator image\r
+ */\r
+ setStatus : function(cssClass){\r
+ cssClass = cssClass || this.dropNotAllowed;\r
+ if(this.dropStatus != cssClass){\r
+ this.el.replaceClass(this.dropStatus, cssClass);\r
+ this.dropStatus = cssClass;\r
+ }\r
+ },\r
+\r
+ /**\r
+ * Resets the status indicator to the default dropNotAllowed value\r
+ * @param {Boolean} clearGhost True to also remove all content from the ghost, false to preserve it\r
+ */\r
+ reset : function(clearGhost){\r
+ this.el.dom.className = "x-dd-drag-proxy " + this.dropNotAllowed;\r
+ this.dropStatus = this.dropNotAllowed;\r
+ if(clearGhost){\r
+ this.ghost.update("");\r
+ }\r
+ },\r
+\r
+ /**\r
+ * Updates the contents of the ghost element\r
+ * @param {String/HTMLElement} html The html that will replace the current innerHTML of the ghost element, or a\r
+ * DOM node to append as the child of the ghost element (in which case the innerHTML will be cleared first).\r
+ */\r
+ update : function(html){\r
+ if(typeof html == "string"){\r
+ this.ghost.update(html);\r
+ }else{\r
+ this.ghost.update("");\r
+ html.style.margin = "0";\r
+ this.ghost.dom.appendChild(html);\r
+ }\r
+ var el = this.ghost.dom.firstChild; \r
+ if(el){\r
+ Ext.fly(el).setStyle('float', 'none');\r
+ }\r
+ },\r
+\r
+ /**\r
+ * Returns the underlying proxy {@link Ext.Layer}\r
+ * @return {Ext.Layer} el\r
+ */\r
+ getEl : function(){\r
+ return this.el;\r
+ },\r
+\r
+ /**\r
+ * Returns the ghost element\r
+ * @return {Ext.Element} el\r
+ */\r
+ getGhost : function(){\r
+ return this.ghost;\r
+ },\r
+\r
+ /**\r
+ * Hides the proxy\r
+ * @param {Boolean} clear True to reset the status and clear the ghost contents, false to preserve them\r
+ */\r
+ hide : function(clear){\r
+ this.el.hide();\r
+ if(clear){\r
+ this.reset(true);\r
+ }\r
+ },\r
+\r
+ /**\r
+ * Stops the repair animation if it's currently running\r
+ */\r
+ stop : function(){\r
+ if(this.anim && this.anim.isAnimated && this.anim.isAnimated()){\r
+ this.anim.stop();\r
+ }\r
+ },\r
+\r
+ /**\r
+ * Displays this proxy\r
+ */\r
+ show : function(){\r
+ this.el.show();\r
+ },\r
+\r
+ /**\r
+ * Force the Layer to sync its shadow and shim positions to the element\r
+ */\r
+ sync : function(){\r
+ this.el.sync();\r
+ },\r
+\r
+ /**\r
+ * Causes the proxy to return to its position of origin via an animation. Should be called after an\r
+ * invalid drop operation by the item being dragged.\r
+ * @param {Array} xy The XY position of the element ([x, y])\r
+ * @param {Function} callback The function to call after the repair is complete\r
+ * @param {Object} scope The scope in which to execute the callback\r
+ */\r
+ repair : function(xy, callback, scope){\r
+ this.callback = callback;\r
+ this.scope = scope;\r
+ if(xy && this.animRepair !== false){\r
+ this.el.addClass("x-dd-drag-repair");\r
+ this.el.hideUnders(true);\r
+ this.anim = this.el.shift({\r
+ duration: this.repairDuration || .5,\r
+ easing: 'easeOut',\r
+ xy: xy,\r
+ stopFx: true,\r
+ callback: this.afterRepair,\r
+ scope: this\r
+ });\r
+ }else{\r
+ this.afterRepair();\r
+ }\r
+ },\r
+\r
+ // private\r
+ afterRepair : function(){\r
+ this.hide(true);\r
+ if(typeof this.callback == "function"){\r
+ this.callback.call(this.scope || this);\r
+ }\r
+ this.callback = null;\r
+ this.scope = null;\r
+ }\r
+};
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