www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/source/legacy/layout/SplitLayoutRegion.js
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
/**
* @class Ext.SplitLayoutRegion
* @extends Ext.LayoutRegion
* Adds a splitbar and other (private) useful functionality to a {@link Ext.LayoutRegion}.
*/
Ext.SplitLayoutRegion = function(mgr, config, pos, cursor){
this.cursor = cursor;
Ext.SplitLayoutRegion.superclass.constructor.call(this, mgr, config, pos);
};
Ext.extend(Ext.SplitLayoutRegion, Ext.LayoutRegion, {
splitTip : "Drag to resize.",
collapsibleSplitTip : "Drag to resize. Double click to hide.",
useSplitTips : false,
applyConfig : function(config){
Ext.SplitLayoutRegion.superclass.applyConfig.call(this, config);
if(config.split){
if(!this.split){
var splitEl = Ext.DomHelper.append(this.mgr.el.dom,
{tag: "div", id: this.el.id + "-split", cls: "x-layout-split x-layout-split-"+this.position, html: " "});
/** The SplitBar for this region @type Ext.SplitBar */
this.split = new Ext.SplitBar(splitEl, this.el, this.orientation);
this.split.on("moved", this.onSplitMove, this);
this.split.useShim = config.useShim === true;
this.split.getMaximumSize = this[this.position == 'north' || this.position == 'south' ? 'getVMaxSize' : 'getHMaxSize'].createDelegate(this);
if(this.useSplitTips){
this.split.el.dom.title = config.collapsible ? this.collapsibleSplitTip : this.splitTip;
}
if(config.collapsible){
this.split.el.on("dblclick", this.collapse, this);
}
}
if(typeof config.minSize != "undefined"){
this.split.minSize = config.minSize;
}
if(typeof config.maxSize != "undefined"){
this.split.maxSize = config.maxSize;
}
if(config.hideWhenEmpty || config.hidden){
this.hideSplitter();
}
}
},
getHMaxSize : function(){
var cmax = this.config.maxSize || 10000;
var center = this.mgr.getRegion("center");
return Math.min(cmax, (this.el.getWidth()+center.getEl().getWidth())-center.getMinWidth());
},
getVMaxSize : function(){
var cmax = this.config.maxSize || 10000;
var center = this.mgr.getRegion("center");
return Math.min(cmax, (this.el.getHeight()+center.getEl().getHeight())-center.getMinHeight());
},
onSplitMove : function(split, newSize){
this.fireEvent("resized", this, newSize);
},
/**
* Returns the {@link Ext.SplitBar} for this region.
* @return {Ext.SplitBar}
*/
getSplitBar : function(){
return this.split;
},
hide : function(){
this.hideSplitter();
Ext.SplitLayoutRegion.superclass.hide.call(this);
},
hideSplitter : function(){
if(this.split){
this.split.el.setLocation(-2000,-2000);
this.split.el.hide();
}
},
show : function(){
if(this.split){
this.split.el.show();
}
Ext.SplitLayoutRegion.superclass.show.call(this);
},
beforeSlide: function(){
if(Ext.isGecko){// firefox overflow auto bug workaround
this.bodyEl.clip();
if(this.tabs) this.tabs.bodyEl.clip();
if(this.activePanel){
this.activePanel.getEl().clip();
if(this.activePanel.beforeSlide){
this.activePanel.beforeSlide();
}
}
}
},
afterSlide : function(){
if(Ext.isGecko){// firefox overflow auto bug workaround
this.bodyEl.unclip();
if(this.tabs) this.tabs.bodyEl.unclip();
if(this.activePanel){
this.activePanel.getEl().unclip();
if(this.activePanel.afterSlide){
this.activePanel.afterSlide();
}
}
}
},
initAutoHide : function(){
if(this.autoHide !== false){
if(!this.autoHideHd){
var st = new Ext.util.DelayedTask(this.slideIn, this);
this.autoHideHd = {
"mouseout": function(e){
if(!e.within(this.el, true)){
st.delay(500);
}
},
"mouseover" : function(e){
st.cancel();
},
scope : this
};
}
this.el.on(this.autoHideHd);
}
},
clearAutoHide : function(){
if(this.autoHide !== false){
this.el.un("mouseout", this.autoHideHd.mouseout);
this.el.un("mouseover", this.autoHideHd.mouseover);
}
},
clearMonitor : function(){
Ext.getDoc().un("click", this.slideInIf, this);
},
// these names are backwards but not changed for compat
slideOut : function(){
if(this.isSlid || this.el.hasActiveFx()){
return;
}
this.isSlid = true;
if(this.collapseBtn){
this.collapseBtn.hide();
}
this.closeBtnState = this.closeBtn.getStyle('display');
this.closeBtn.hide();
if(this.stickBtn){
this.stickBtn.show();
}
this.el.show();
this.el.alignTo(this.collapsedEl, this.getCollapseAnchor());
this.beforeSlide();
this.el.setStyle("z-index", 10001);
this.el.slideIn(this.getSlideAnchor(), {
callback: function(){
this.afterSlide();
this.initAutoHide();
Ext.getDoc().on("click", this.slideInIf, this);
this.fireEvent("slideshow", this);
},
scope: this,
block: true
});
},
afterSlideIn : function(){
this.clearAutoHide();
this.isSlid = false;
this.clearMonitor();
this.el.setStyle("z-index", "");
if(this.collapseBtn){
this.collapseBtn.show();
}
this.closeBtn.setStyle('display', this.closeBtnState);
if(this.stickBtn){
this.stickBtn.hide();
}
this.fireEvent("slidehide", this);
},
slideIn : function(cb){
if(!this.isSlid || this.el.hasActiveFx()){
Ext.callback(cb);
return;
}
this.isSlid = false;
this.beforeSlide();
this.el.slideOut(this.getSlideAnchor(), {
callback: function(){
this.el.setLeftTop(-10000, -10000);
this.afterSlide();
this.afterSlideIn();
Ext.callback(cb);
},
scope: this,
block: true
});
},
slideInIf : function(e){
if(!e.within(this.el)){
this.slideIn();
}
},
animateCollapse : function(){
this.beforeSlide();
this.el.setStyle("z-index", 20000);
var anchor = this.getSlideAnchor();
this.el.slideOut(anchor, {
callback : function(){
this.el.setStyle("z-index", "");
this.collapsedEl.slideIn(anchor, {duration:.3});
this.afterSlide();
this.el.setLocation(-10000,-10000);
this.el.hide();
this.fireEvent("collapsed", this);
},
scope: this,
block: true
});
},
animateExpand : function(){
this.beforeSlide();
this.el.alignTo(this.collapsedEl, this.getCollapseAnchor(), this.getExpandAdj());
this.el.setStyle("z-index", 20000);
this.collapsedEl.hide({
duration:.1
});
this.el.slideIn(this.getSlideAnchor(), {
callback : function(){
this.el.setStyle("z-index", "");
this.afterSlide();
if(this.split){
this.split.el.show();
}
this.fireEvent("invalidated", this);
this.fireEvent("expanded", this);
},
scope: this,
block: true
});
},
anchors : {
"west" : "left",
"east" : "right",
"north" : "top",
"south" : "bottom"
},
sanchors : {
"west" : "l",
"east" : "r",
"north" : "t",
"south" : "b"
},
canchors : {
"west" : "tl-tr",
"east" : "tr-tl",
"north" : "tl-bl",
"south" : "bl-tl"
},
getAnchor : function(){
return this.anchors[this.position];
},
getCollapseAnchor : function(){
return this.canchors[this.position];
},
getSlideAnchor : function(){
return this.sanchors[this.position];
},
getAlignAdj : function(){
var cm = this.cmargins;
switch(this.position){
case "west":
return [0, 0];
break;
case "east":
return [0, 0];
break;
case "north":
return [0, 0];
break;
case "south":
return [0, 0];
break;
}
},
getExpandAdj : function(){
var c = this.collapsedEl, cm = this.cmargins;
switch(this.position){
case "west":
return [-(cm.right+c.getWidth()+cm.left), 0];
break;
case "east":
return [cm.right+c.getWidth()+cm.left, 0];
break;
case "north":
return [0, -(cm.top+cm.bottom+c.getHeight())];
break;
case "south":
return [0, cm.top+cm.bottom+c.getHeight()];
break;
}
}
});