/*
 * jQuery UI Dialog 1.8rc1
 *
 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Dialog
 *乐度
 * Depends:
 *  jquery.ui.button.js
 *	jquery.ui.core.js
 *	jquery.ui.draggable.js
 *	jquery.ui.mouse.js
 *	jquery.ui.position.js
 *	jquery.ui.resizable.js
 *	jquery.ui.widget.js
 */
(function($){var uiDialogClasses='ui-dialog '+'ui-widget '+'ui-widget-content '+'ui-corner-all ';$.widget("ui.dialog",{options:{autoOpen:true,buttons:{},closeOnEscape:true,closeText:'close',dialogClass:'',draggable:true,hide:null,height:'auto',maxHeight:false,maxWidth:false,minHeight:150,minWidth:150,modal:false,position:'center',resizable:true,show:null,stack:true,title:'',width:300,zIndex:1000},_create:function(){this.originalTitle=this.element.attr('title');var self=this,options=self.options,title=options.title||self.originalTitle||'&#160;',titleId=$.ui.dialog.getTitleId(self.element),uiDialog=(self.uiDialog=$('<div></div>')).appendTo(document.body).hide().addClass(uiDialogClasses+options.dialogClass).css({zIndex:options.zIndex}).attr('tabIndex',-1).css('outline',0).keydown(function(event){(options.closeOnEscape&&event.keyCode&&event.keyCode==$.ui.keyCode.ESCAPE&&self.close(event))}).attr({role:'dialog','aria-labelledby':titleId}).mousedown(function(event){self.moveToTop(false,event)}),uiDialogContent=self.element.show().removeAttr('title').addClass('ui-dialog-content '+'ui-widget-content').appendTo(uiDialog),uiDialogTitlebar=(self.uiDialogTitlebar=$('<div></div>')).addClass('ui-dialog-titlebar '+'ui-widget-header '+'ui-corner-all '+'ui-helper-clearfix').prependTo(uiDialog),uiDialogTitlebarClose=$('<a href="#"></a>').addClass('ui-dialog-titlebar-close '+'ui-corner-all').attr('role','button').hover(function(){uiDialogTitlebarClose.addClass('ui-state-hover')},function(){uiDialogTitlebarClose.removeClass('ui-state-hover')}).focus(function(){uiDialogTitlebarClose.addClass('ui-state-focus')}).blur(function(){uiDialogTitlebarClose.removeClass('ui-state-focus')}).mousedown(function(ev){ev.stopPropagation()}).click(function(event){self.close(event);return false}).appendTo(uiDialogTitlebar),uiDialogTitlebarCloseText=(self.uiDialogTitlebarCloseText=$('<span></span>')).addClass('ui-icon '+'ui-icon-closethick').text(options.closeText).appendTo(uiDialogTitlebarClose),uiDialogTitle=$('<span></span>').addClass('ui-dialog-title').attr('id',titleId).html(title).prependTo(uiDialogTitlebar);if($.isFunction(options.beforeclose)&&!$.isFunction(options.beforeClose)){options.beforeClose=options.beforeclose}uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();(options.draggable&&$.fn.draggable&&self._makeDraggable());(options.resizable&&$.fn.resizable&&self._makeResizable());self._createButtons(options.buttons);self._isOpen=false;($.fn.bgiframe&&uiDialog.bgiframe())},_init:function(){if(this.options.autoOpen){this.open()}},destroy:function(){var self=this;(self.overlay&&self.overlay.destroy());self.uiDialog.hide();self.element.unbind('.dialog').removeData('dialog').removeClass('ui-dialog-content ui-widget-content').hide().appendTo('body');self.uiDialog.remove();(self.originalTitle&&self.element.attr('title',self.originalTitle));return self},widget:function(){return this.uiDialog},close:function(event){var self=this;if(false===self._trigger('beforeClose',event)){return}(self.overlay&&self.overlay.destroy());self.uiDialog.unbind('keypress.ui-dialog');(self.options.hide?self.uiDialog.hide(self.options.hide,function(){self._trigger('close',event)}):self.uiDialog.hide()&&self._trigger('close',event));$.ui.dialog.overlay.resize();self._isOpen=false;if(self.options.modal){var maxZ=0;$('.ui-dialog').each(function(){if(this!=self.uiDialog[0]){maxZ=Math.max(maxZ,$(this).css('z-index'))}});$.ui.dialog.maxZ=maxZ}return self},isOpen:function(){return this._isOpen},moveToTop:function(force,event){var self=this,options=self.options;if((options.modal&&!force)||(!options.stack&&!options.modal)){return self._trigger('focus',event)}if(options.zIndex>$.ui.dialog.maxZ){$.ui.dialog.maxZ=options.zIndex}(self.overlay&&self.overlay.$el.css('z-index',$.ui.dialog.overlay.maxZ=++$.ui.dialog.maxZ));var saveScroll={scrollTop:self.element.attr('scrollTop'),scrollLeft:self.element.attr('scrollLeft')};self.uiDialog.css('z-index',++$.ui.dialog.maxZ);self.element.attr(saveScroll);self._trigger('focus',event);return self},open:function(){if(this._isOpen){return}var self=this,options=self.options,uiDialog=self.uiDialog;self.overlay=options.modal?new $.ui.dialog.overlay(self):null;(uiDialog.next().length&&uiDialog.appendTo('body'));self._size();self._position(options.position);uiDialog.show(options.show);self.moveToTop(true);(options.modal&&uiDialog.bind('keypress.ui-dialog',function(event){if(event.keyCode!=$.ui.keyCode.TAB){return}var tabbables=$(':tabbable',this),first=tabbables.filter(':first'),last=tabbables.filter(':last');if(event.target==last[0]&&!event.shiftKey){first.focus(1);return false}else if(event.target==first[0]&&event.shiftKey){last.focus(1);return false}}));$([]).add(uiDialog.find('.ui-dialog-content :tabbable:first')).add(uiDialog.find('.ui-dialog-buttonpane :tabbable:first')).add(uiDialog).filter(':first').focus();self._trigger('open');self._isOpen=true;return self},_createButtons:function(buttons){var self=this,hasButtons=false,uiDialogButtonPane=$('<div></div>').addClass('ui-dialog-buttonpane '+'ui-widget-content '+'ui-helper-clearfix');self.uiDialog.find('.ui-dialog-buttonpane').remove();(typeof buttons=='object'&&buttons!==null&&$.each(buttons,function(){return!(hasButtons=true)}));if(hasButtons){$.each(buttons,function(name,fn){var button=$('<button type="button"></button>').text(name).click(function(){fn.apply(self.element[0],arguments)}).appendTo(uiDialogButtonPane);($.fn.button&&button.button())});uiDialogButtonPane.appendTo(self.uiDialog)}},_makeDraggable:function(){var self=this,options=self.options,doc=$(document),heightBeforeDrag;self.uiDialog.draggable({cancel:'.ui-dialog-content',handle:'.ui-dialog-titlebar',containment:'document',start:function(event){heightBeforeDrag=options.height;$(this).height($(this).height()).addClass("ui-dialog-dragging");self._trigger('dragStart',event)},drag:function(event){self._trigger('drag',event)},stop:function(event,ui){options.position=[ui.position.left-doc.scrollLeft(),ui.position.top-doc.scrollTop()];$(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);self._trigger('dragStop',event);$.ui.dialog.overlay.resize()}})},_makeResizable:function(handles){handles=(handles===undefined?this.options.resizable:handles);var self=this,options=self.options,position=self.uiDialog.css('position'),resizeHandles=typeof handles=='string'?handles:'n,e,s,w,se,sw,ne,nw';self.uiDialog.resizable({cancel:'.ui-dialog-content',containment:'document',alsoResize:self.element,maxWidth:options.maxWidth,maxHeight:options.maxHeight,minWidth:options.minWidth,minHeight:self._minHeight(),handles:resizeHandles,start:function(event){$(this).addClass("ui-dialog-resizing");self._trigger('resizeStart',event)},resize:function(event){self._trigger('resize',event)},stop:function(event){$(this).removeClass("ui-dialog-resizing");options.height=$(this).height();options.width=$(this).width();self._trigger('resizeStop',event);$.ui.dialog.overlay.resize()}}).css('position',position).find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se')},_minHeight:function(){var options=this.options;return(options.height=='auto'?options.minHeight:Math.min(options.minHeight,options.height))},_position:function(position){var myAt=[],offset=[0,0];position=position||$.ui.dialog.prototype.options.position;if(typeof position=='string'||(typeof position=='object'&&'0'in position)){myAt=position.split?position.split(' '):[position[0],position[1]];if(myAt.length==1){myAt[1]=myAt[0]}$.each(['left','top'],function(i,offsetPosition){if(+myAt[i]==myAt[i]){offset[i]=myAt[i];myAt[i]=offsetPosition}})}else if(typeof position=='object'){if('left'in position){myAt[0]='left';offset[0]=position.left}else if('right'in position){myAt[0]='right';offset[0]=-position.right}if('top'in position){myAt[1]='top';offset[1]=position.top}else if('bottom'in position){myAt[1]='bottom';offset[1]=-position.bottom}}var isVisible=this.uiDialog.is(':visible');if(!isVisible){this.uiDialog.show()}this.uiDialog.css({top:0,left:0}).position({my:myAt.join(' '),at:myAt.join(' '),offset:offset.join(' '),of:window,collision:'fit'});if(!isVisible){this.uiDialog.hide()}},_setOption:function(key,value){var self=this,uiDialog=self.uiDialog,isResizable=uiDialog.is(':data(resizable)'),resize=false;switch(key){case"beforeclose":key="beforeClose";break;case"buttons":self._createButtons(value);break;case"closeText":self.uiDialogTitlebarCloseText.text(""+value);break;case"dialogClass":uiDialog.removeClass(self.options.dialogClass).addClass(uiDialogClasses+value);break;case"disabled":(value?uiDialog.addClass('ui-dialog-disabled'):uiDialog.removeClass('ui-dialog-disabled'));break;case"draggable":(value?self._makeDraggable():uiDialog.draggable('destroy'));break;case"height":resize=true;break;case"maxHeight":(isResizable&&uiDialog.resizable('option','maxHeight',value));resize=true;break;case"maxWidth":(isResizable&&uiDialog.resizable('option','maxWidth',value));resize=true;break;case"minHeight":(isResizable&&uiDialog.resizable('option','minHeight',value));resize=true;break;case"minWidth":(isResizable&&uiDialog.resizable('option','minWidth',value));resize=true;break;case"position":self._position(value);break;case"resizable":(isResizable&&!value&&uiDialog.resizable('destroy'));(isResizable&&typeof value=='string'&&uiDialog.resizable('option','handles',value));(isResizable||(value!==false&&self._makeResizable(value)));break;case"title":$(".ui-dialog-title",self.uiDialogTitlebar).html(""+(value||'&#160;'));break;case"width":resize=true;break}$.Widget.prototype._setOption.apply(self,arguments);(resize&&self._size())},_size:function(){var options=this.options;this.element.css({height:0,minHeight:0,width:'auto'});var nonContentHeight=this.uiDialog.css({height:'auto',width:options.width}).height();this.element.css(options.height=='auto'?{minHeight:Math.max(options.minHeight-nonContentHeight,0),height:'auto'}:{height:Math.max(options.height-nonContentHeight,0)});(this.uiDialog.is(':data(resizable)')&&this.uiDialog.resizable('option','minHeight',this._minHeight()))}});$.extend($.ui.dialog,{version:"1.8rc1",uuid:0,maxZ:0,getTitleId:function($el){return'ui-dialog-title-'+($el.attr('id')||++this.uuid)},overlay:function(dialog){this.$el=$.ui.dialog.overlay.create(dialog)}});$.extend($.ui.dialog.overlay,{instances:[],oldInstances:[],maxZ:0,events:$.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),function(event){return event+'.dialog-overlay'}).join(' '),create:function(dialog){if(this.instances.length===0){setTimeout(function(){if($.ui.dialog.overlay.instances.length){$(document).bind($.ui.dialog.overlay.events,function(event){var dialogZ=$(event.target).parents('.ui-dialog').css('zIndex')||0;return(dialogZ>$.ui.dialog.overlay.maxZ)})}},1);$(document).bind('keydown.dialog-overlay',function(event){(dialog.options.closeOnEscape&&event.keyCode&&event.keyCode==$.ui.keyCode.ESCAPE&&dialog.close(event))});$(window).bind('resize.dialog-overlay',$.ui.dialog.overlay.resize)}var $el=(this.oldInstances.pop()||$('<div></div>').addClass('ui-widget-overlay')).appendTo(document.body).css({width:this.width(),height:this.height()});($.fn.bgiframe&&$el.bgiframe());this.instances.push($el);return $el},destroy:function($el){this.oldInstances.push(this.instances.splice($.inArray($el,this.instances),1)[0]);if(this.instances.length===0){$([document,window]).unbind('.dialog-overlay')}$el.remove();var maxZ=0;$.each(this.instances,function(){maxZ=Math.max(maxZ,this.css('z-index'))});this.maxZ=maxZ},height:function(){if($.browser.msie&&$.browser.version<7){var scrollHeight=Math.max(document.documentElement.scrollHeight,document.body.scrollHeight);var offsetHeight=Math.max(document.documentElement.offsetHeight,document.body.offsetHeight);if(scrollHeight<offsetHeight){return $(window).height()+'px'}else{return scrollHeight+'px'}}else{return $(document).height()+'px'}},width:function(){if($.browser.msie&&$.browser.version<7){var scrollWidth=Math.max(document.documentElement.scrollWidth,document.body.scrollWidth);var offsetWidth=Math.max(document.documentElement.offsetWidth,document.body.offsetWidth);if(scrollWidth<offsetWidth){return $(window).width()+'px'}else{return scrollWidth+'px'}}else{return $(document).width()+'px'}},resize:function(){var $overlays=$([]);$.each($.ui.dialog.overlay.instances,function(){$overlays=$overlays.add(this)});$overlays.css({width:0,height:0}).css({width:$.ui.dialog.overlay.width(),height:$.ui.dialog.overlay.height()})}});$.extend($.ui.dialog.overlay.prototype,{destroy:function(){$.ui.dialog.overlay.destroy(this.$el)}})})(jQuery);