_grid.js

用最近的dojo1.2.1制作前端的ajax购书网站

/*
	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.grid._Grid"]){
dojo._hasResource["dojox.grid._Grid"]=true;
dojo.provide("dojox.grid._Grid");
dojo.require("dojox.html.metrics");
dojo.require("dojox.grid.util");
dojo.require("dojox.grid._Scroller");
dojo.require("dojox.grid._Layout");
dojo.require("dojox.grid._View");
dojo.require("dojox.grid._ViewManager");
dojo.require("dojox.grid._RowManager");
dojo.require("dojox.grid._FocusManager");
dojo.require("dojox.grid._EditManager");
dojo.require("dojox.grid.Selection");
dojo.require("dojox.grid._RowSelector");
dojo.require("dojox.grid._Events");
dojo.require("dijit.Menu");
dojo.requireLocalization("dijit","loading",null,"zh,ca,pt,da,tr,ru,ROOT,de,sv,ja,he,fi,nb,el,ar,pt-pt,cs,fr,es,ko,nl,zh-tw,pl,th,it,hu,sk,sl");
(function(){
var _1={cancel:function(_2){
if(_2){
clearTimeout(_2);
}
},jobs:[],job:function(_3,_4,_5){
_1.cancelJob(_3);
var _6=function(){
delete _1.jobs[_3];
_5();
};
_1.jobs[_3]=setTimeout(_6,_4);
},cancelJob:function(_7){
_1.cancel(_1.jobs[_7]);
}};
dojo.declare("dojox.grid._Grid",[dijit._Widget,dijit._Templated,dojox.grid._Events],{templateString:"<div class=\"dojoxGrid\" hidefocus=\"hidefocus\" role=\"wairole:grid\" dojoAttachEvent=\"onmouseout:_mouseOut\">\n\t<div class=\"dojoxGridMasterHeader\" dojoAttachPoint=\"viewsHeaderNode\" tabindex=\"-1\"></div>\n\t<div class=\"dojoxGridMasterView\" dojoAttachPoint=\"viewsNode\"></div>\n\t<div class=\"dojoxGridMasterMessages\" style=\"display: none;\" dojoAttachPoint=\"messagesNode\"></div>\n\t<span dojoAttachPoint=\"lastFocusNode\" tabindex=\"0\"></span>\n</div>\n",classTag:"dojoxGrid",get:function(_8){
},rowCount:5,keepRows:75,rowsPerPage:25,autoWidth:false,autoHeight:"",autoRender:true,defaultHeight:"15em",height:"",structure:"",elasticView:-1,singleClickEdit:false,selectionMode:"extended",rowSelector:"",columnReordering:false,headerMenu:null,placeholderLabel:"GridColumns",_click:null,loadingMessage:"<span class='dojoxGridLoading'>${loadingState}</span>",errorMessage:"<span class='dojoxGridError'>${errorState}</span>",noDataMessage:"",sortInfo:0,themeable:true,_placeholders:null,buildRendering:function(){
this.inherited(arguments);
if(this.get==dojox.grid._Grid.prototype.get){
this.get=null;
}
if(!this.domNode.getAttribute("tabIndex")){
this.domNode.tabIndex="0";
}
this.createScroller();
this.createLayout();
this.createViews();
this.createManagers();
this.createSelection();
this.connect(this.selection,"onSelected","onSelected");
this.connect(this.selection,"onDeselected","onDeselected");
this.connect(this.selection,"onChanged","onSelectionChanged");
dojox.html.metrics.initOnFontResize();
this.connect(dojox.html.metrics,"onFontResize","textSizeChanged");
dojox.grid.util.funnelEvents(this.domNode,this,"doKeyEvent",dojox.grid.util.keyEvents);
this.connect(this,"onShow","renderOnIdle");
},postMixInProperties:function(){
this.inherited(arguments);
var _9=dojo.i18n.getLocalization("dijit","loading",this.lang);
this.loadingMessage=dojo.string.substitute(this.loadingMessage,_9);
this.errorMessage=dojo.string.substitute(this.errorMessage,_9);
if(this.srcNodeRef&&this.srcNodeRef.style.height){
this.height=this.srcNodeRef.style.height;
}
this._setAutoHeightAttr(this.autoHeight,true);
},postCreate:function(){
this.styleChanged=this._styleChanged;
this._placeholders=[];
this.setHeaderMenu(this.headerMenu);
this.setStructure(this.structure);
this._click=[];
},destroy:function(){
this.domNode.onReveal=null;
this.domNode.onSizeChange=null;
this.edit.destroy();
delete this.edit;
this.views.destroyViews();
if(this.scroller){
this.scroller.destroy();
delete this.scroller;
}
if(this.focus){
this.focus.destroy();
delete this.focus;
}
if(this.headerMenu&&this._placeholders.length){
dojo.forEach(this._placeholders,function(p){
p.unReplace(true);
});
this.headerMenu.unBindDomNode(this.viewsHeaderNode);
}
this.inherited(arguments);
},_setAutoHeightAttr:function(ah,_c){
if(typeof ah=="string"){
if(!ah||ah=="false"){
ah=false;
}else{
if(ah=="true"){
ah=true;
}else{
ah=window.parseInt(ah,10);
if(isNaN(ah)){
ah=false;
}
if(ah<0){
ah=true;
}else{
if(ah===0){
ah=false;
}
}
}
}
}
this.autoHeight=ah;
if(typeof ah=="boolean"){
this._autoHeight=ah;
}else{
if(typeof ah=="number"){
this._autoHeight=(ah>=this.rowCount);
}else{
this._autoHeight=false;
}
}
if(this._started&&!_c){
this.render();
}
},styleChanged:function(){
this.setStyledClass(this.domNode,"");
},_styleChanged:function(){
this.styleChanged();
this.update();
},textSizeChanged:function(){
setTimeout(dojo.hitch(this,"_textSizeChanged"),1);
},_textSizeChanged:function(){
if(this.domNode){
this.views.forEach(function(v){
v.content.update();
});
this.render();
}
},sizeChange:function(){
_1.job(this.id+"SizeChange",50,dojo.hitch(this,"update"));
},renderOnIdle:function(){
setTimeout(dojo.hitch(this,"render"),1);
},createManagers:function(){
this.rows=new dojox.grid._RowManager(this);
this.focus=new dojox.grid._FocusManager(this);
this.edit=new dojox.grid._EditManager(this);
},createSelection:function(){
this.selection=new dojox.grid.Selection(this);
},createScroller:function(){
this.scroller=new dojox.grid._Scroller();
this.scroller.grid=this;
this.scroller._pageIdPrefix=this.id+"-";
this.scroller.renderRow=dojo.hitch(this,"renderRow");
this.scroller.removeRow=dojo.hitch(this,"rowRemoved");
},createLayout:function(){
this.layout=new dojox.grid._Layout(this);
this.connect(this.layout,"moveColumn","onMoveColumn");
},onMoveColumn:function(){
this.render();
this._resize();
},createViews:function(){
this.views=new dojox.grid._ViewManager(this);
this.views.createView=dojo.hitch(this,"createView");
},createView:function(_e,_f){
var c=dojo.getObject(_e);
var _11=new c({grid:this,index:_f});
this.viewsNode.appendChild(_11.domNode);
this.viewsHeaderNode.appendChild(_11.headerNode);
this.views.addView(_11);
return _11;
},buildViews:function(){
for(var i=0,vs;(vs=this.layout.structure[i]);i++){
this.createView(vs.type||dojox._scopeName+".grid._View",i).setStructure(vs);
}
this.scroller.setContentNodes(this.views.getContentNodes());
},setStructure:function(_14){
var s=_14;
if(s&&dojo.isString(s)){
s=dojo.getObject(s);
}
if(!s){
if(this.layout.structure){
s=this.layout.structure;
}else{
return;
}
}
this.views.destroyViews();
if(s!==this.layout.structure){
this.layout.setStructure(s);
}
this._structureChanged();
},getColumnTogglingItems:function(){
return dojo.map(this.layout.cells,function(_16){
if(!_16.menuItems){
_16.menuItems=[];
}
var _17=this;
var _18=new dijit.CheckedMenuItem({label:_16.name,checked:!_16.hidden,_gridCell:_16,onChange:function(_19){
if(_17.layout.setColumnVisibility(this._gridCell.index,_19)){
var _1a=this._gridCell.menuItems;
if(_1a.length>1){
dojo.forEach(_1a,function(_1b){
if(_1b!==this){
_1b.setAttribute("checked",_19);
}
},this);
}
var _19=dojo.filter(_17.layout.cells,function(c){
if(c.menuItems.length>1){
dojo.forEach(c.menuItems,"item.attr('disabled', false);");
}else{
c.menuItems[0].attr("disabled",false);
}
return !c.hidden;
});
if(_19.length==1){
dojo.forEach(_19[0].menuItems,"item.attr('disabled', true);");
}
}
},destroy:function(){
var _1d=dojo.indexOf(this._gridCell.menuItems,this);
this._gridCell.menuItems.splice(_1d,1);
delete this._gridCell;
dijit.CheckedMenuItem.prototype.destroy.apply(this,arguments);
}});
_16.menuItems.push(_18);
return _18;
},this);
},setHeaderMenu:function(_1e){
if(this._placeholders.length){
dojo.forEach(this._placeholders,function(p){
p.unReplace(true);
});
this._placeholders=[];
}
if(this.headerMenu){
this.headerMenu.unBindDomNode(this.viewsHeaderNode);
}
this.headerMenu=_1e;
if(!_1e){
return;
}
this.headerMenu.bindDomNode(this.viewsHeaderNode);
if(this.headerMenu.getPlaceholders){
this._placeholders=this.headerMenu.getPlaceholders(this.placeholderLabel);
}
},setupHeaderMenu:function(){
if(this._placeholders&&this._placeholders.length){
dojo.forEach(this._placeholders,function(p){
if(p._replaced){
p.unReplace(true);
}
p.replace(this.getColumnTogglingItems());
},this);
}
},_fetch:function(_21){
this.setScrollTop(0);
},getItem:function(_22){
return null;
},showMessage:function(_23){
if(_23){
this.messagesNode.innerHTML=_23;
this.messagesNode.style.display="";
}else{
this.messagesNode.innerHTML="";
this.messagesNode.style.display="none";
}
},_structureChanged:function(){
this.buildViews();
if(this.autoRender&&this._started){
this.render();
}
},hasLayout:function(){
return this.layout.cells.length;
},resize:function(_24,_25){
var _26={};
dojo.mixin(_26,_25||{});
dojo.mixin(_26,_24||{});
this._sizeBox=_26;
this._resize();
this.sizeChange();
},_getPadBorder:function(){
this._padBorder=this._padBorder||dojo._getPadBorderExtents(this.domNode);
return this._padBorder;
},_getHeaderHeight:function(){
var vns=this.viewsHeaderNode.style,t=vns.display=="none"?0:this.views.measureHeader();
vns.height=t+"px";
this.views.normalizeHeaderNodeHeight();
return t;
},_resize:function(){
var pn=this.domNode.parentNode;
if(!pn||pn.nodeType!=1||!this.hasLayout()||pn.style.visibility=="hidden"||pn.style.display=="none"){
return;
}
var _2a=this._getPadBorder();
if(this._autoHeight){
this.domNode.style.height="auto";
this.viewsNode.style.height="";
}else{
if(typeof this.autoHeight=="number"){
var h=this._getHeaderHeight();
h+=(this.scroller.averageRowHeight*this.autoHeight);
this.domNode.style.height=h+"px";
}else{
if(this.flex>0){
}else{
if(this.domNode.clientHeight<=_2a.h){
if(pn==document.body){
this.domNode.style.height=this.defaultHeight;
}else{
if(this.height){
this.domNode.style.height=this.height;
}else{
this.fitTo="parent";
}
}
}
}
}
}
if(this._sizeBox){
dojo.contentBox(this.domNode,this._sizeBox);
}else{
if(this.fitTo=="parent"){
var h=dojo._getContentBox(pn).h;
dojo.marginBox(this.domNode,{h:Math.max(0,h)});
}
}
var h=dojo._getContentBox(this.domNode).h;
if(h==0&&!this._autoHeight){
this.viewsHeaderNode.style.display="none";
}else{
this.viewsHeaderNode.style.display="block";
this._getHeaderHeight();
}
this.adaptWidth();
this.adaptHeight();