StatusProxy.html
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<!DOCTYPE html>
<html>
<head>
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<title>The source code</title>
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<pre class="prettyprint lang-js"><span id='Ext-dd-StatusProxy'>/**
</span> * A specialized floating Component that supports a drop status icon, {@link Ext.Layer} styles
* and auto-repair. This is the default drag proxy used by all Ext.dd components.
*/
Ext.define('Ext.dd.StatusProxy', {
extend: 'Ext.Component',
animRepair: false,
childEls: [
'ghost'
],
renderTpl: [
'<div class="' + Ext.baseCSSPrefix + 'dd-drop-icon"></div>' +
'<div id="{id}-ghost" class="' + Ext.baseCSSPrefix + 'dd-drag-ghost"></div>'
],
<span id='Ext-dd-StatusProxy-method-constructor'> /**
</span> * Creates new StatusProxy.
* @param {Object} [config] Config object.
*/
constructor: function(config) {
var me = this;
config = config || {};
Ext.apply(me, {
hideMode: 'visibility',
hidden: true,
floating: true,
id: me.id || Ext.id(),
cls: Ext.baseCSSPrefix + 'dd-drag-proxy ' + this.dropNotAllowed,
shadow: config.shadow || false,
renderTo: Ext.getDetachedBody()
});
me.callParent(arguments);
this.dropStatus = this.dropNotAllowed;
},
<span id='Ext-dd-StatusProxy-cfg-dropAllowed'> /**
</span> * @cfg {String} dropAllowed
* The CSS class to apply to the status element when drop is allowed.
*/
dropAllowed : Ext.baseCSSPrefix + 'dd-drop-ok',
<span id='Ext-dd-StatusProxy-cfg-dropNotAllowed'> /**
</span> * @cfg {String} dropNotAllowed
* The CSS class to apply to the status element when drop is not allowed.
*/
dropNotAllowed : Ext.baseCSSPrefix + 'dd-drop-nodrop',
<span id='Ext-dd-StatusProxy-method-setStatus'> /**
</span> * Updates the proxy's visual element to indicate the status of whether or not drop is allowed
* over the current target element.
* @param {String} cssClass The css class for the new drop status indicator image
*/
setStatus : function(cssClass){
cssClass = cssClass || this.dropNotAllowed;
if (this.dropStatus != cssClass) {
this.el.replaceCls(this.dropStatus, cssClass);
this.dropStatus = cssClass;
}
},
<span id='Ext-dd-StatusProxy-method-reset'> /**
</span> * Resets the status indicator to the default dropNotAllowed value
* @param {Boolean} clearGhost True to also remove all content from the ghost, false to preserve it
*/
reset : function(clearGhost){
var me = this,
clsPrefix = Ext.baseCSSPrefix + 'dd-drag-proxy ';
me.el.replaceCls(clsPrefix + me.dropAllowed, clsPrefix + me.dropNotAllowed);
me.dropStatus = me.dropNotAllowed;
if (clearGhost) {
me.ghost.update('');
}
},
<span id='Ext-dd-StatusProxy-method-update'> /**
</span> * Updates the contents of the ghost element
* @param {String/HTMLElement} html The html that will replace the current innerHTML of the ghost element, or a
* DOM node to append as the child of the ghost element (in which case the innerHTML will be cleared first).
*/
update : function(html){
if (typeof html == "string") {
this.ghost.update(html);
} else {
this.ghost.update("");
html.style.margin = "0";
this.ghost.dom.appendChild(html);
}
var el = this.ghost.dom.firstChild;
if (el) {
Ext.fly(el).setStyle('float', 'none');
}
},
<span id='Ext-dd-StatusProxy-method-getGhost'> /**
</span> * Returns the ghost element
* @return {Ext.Element} el
*/
getGhost : function(){
return this.ghost;
},
<span id='Ext-dd-StatusProxy-method-hide'> /**
</span> * Hides the proxy
* @param {Boolean} clear True to reset the status and clear the ghost contents,
* false to preserve them
*/
hide : function(clear) {
this.callParent();
if (clear) {
this.reset(true);
}
},
<span id='Ext-dd-StatusProxy-method-stop'> /**
</span> * Stops the repair animation if it's currently running
*/
stop : function(){
if (this.anim && this.anim.isAnimated && this.anim.isAnimated()) {
this.anim.stop();
}
},
<span id='Ext-dd-StatusProxy-method-sync'> /**
</span> * Force the Layer to sync its shadow and shim positions to the element
*/
sync : function(){
this.el.sync();
},
<span id='Ext-dd-StatusProxy-method-repair'> /**
</span> * Causes the proxy to return to its position of origin via an animation.
* Should be called after an invalid drop operation by the item being dragged.
* @param {Number[]} xy The XY position of the element ([x, y])
* @param {Function} callback The function to call after the repair is complete.
* @param {Object} scope The scope (`this` reference) in which the callback function is executed.
* Defaults to the browser window.
*/
repair : function(xy, callback, scope) {
var me = this;
me.callback = callback;
me.scope = scope;
if (xy && me.animRepair !== false) {
me.el.addCls(Ext.baseCSSPrefix + 'dd-drag-repair');
me.el.hideUnders(true);
me.anim = me.el.animate({
duration: me.repairDuration || 500,
easing: 'ease-out',
to: {
x: xy[0],
y: xy[1]
},
stopAnimation: true,
callback: me.afterRepair,
scope: me
});
} else {
me.afterRepair();
}
},
// private
afterRepair : function() {
var me = this;
me.hide(true);
me.el.removeCls(Ext.baseCSSPrefix + 'dd-drag-repair');
if (typeof me.callback == "function") {
me.callback.call(me.scope || me);
}
delete me.callback;
delete me.scope;
}
});
</pre>
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</html>