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root / trunk / web / dojo / dojox / grid / _TreeView.js @ 12

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.grid._TreeView"]){
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dojo._hasResource["dojox.grid._TreeView"]=true;
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dojo.provide("dojox.grid._TreeView");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.require("dojox.grid._View");
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dojo.declare("dojox.grid._Expando",[dijit._Widget,dijit._Templated],{open:false,toggleClass:"",itemId:"",cellIdx:-1,view:null,rowNode:null,rowIdx:-1,expandoCell:null,level:0,templateString:"<div class=\"dojoxGridExpando\"\n\t><div class=\"dojoxGridExpandoNode\" dojoAttachEvent=\"onclick:onToggle\"\n\t\t><div class=\"dojoxGridExpandoNodeInner\" dojoAttachPoint=\"expandoInner\"></div\n\t></div\n></div>\n",_toggleRows:function(_1,_2){
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if(!_1||!this.rowNode){
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return;
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}
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if(dojo.query("table.dojoxGridRowTableNeedsRowUpdate").length){
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if(this._initialized){
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this.view.grid.updateRow(this.rowIdx);
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}
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return;
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}
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var _3=this;
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var g=this.view.grid;
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if(g.treeModel){
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var p=this._tableRow?dojo.attr(this._tableRow,"dojoxTreeGridPath"):"";
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if(p){
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dojo.query("tr[dojoxTreeGridPath^=\""+p+"/\"]",this.rowNode).forEach(function(n){
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var en=dojo.query(".dojoxGridExpando",n)[0];
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if(en&&en.parentNode&&en.parentNode.parentNode&&!dojo.hasClass(en.parentNode.parentNode,"dojoxGridNoChildren")){
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var ew=dijit.byNode(en);
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if(ew){
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ew._toggleRows(_1,ew.open&&_2);
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}
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}
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n.style.display=_2?"":"none";
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});
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}
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}else{
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dojo.query("tr."+_1,this.rowNode).forEach(function(n){
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if(dojo.hasClass(n,"dojoxGridExpandoRow")){
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var en=dojo.query(".dojoxGridExpando",n)[0];
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if(en){
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var ew=dijit.byNode(en);
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var _4=ew?ew.toggleClass:en.getAttribute("toggleClass");
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var _5=ew?ew.open:_3.expandoCell.getOpenState(en.getAttribute("itemId"));
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_3._toggleRows(_4,_5&&_2);
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}
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}
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n.style.display=_2?"":"none";
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});
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}
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},setOpen:function(_6){
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if(_6&&dojo.hasClass(this.domNode,"dojoxGridExpandoLoading")){
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_6=false;
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}
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var _7=this.view;
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var _8=_7.grid;
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var _9=_8.store;
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var _a=_8.treeModel;
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var d=this;
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var _b=this.rowIdx;
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var me=_8._by_idx[_b];
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if(!me){
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return;
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}
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if(_a&&!this._loadedChildren){
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if(_6){
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var _c=_8.getItem(dojo.attr(this._tableRow,"dojoxTreeGridPath"));
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if(_c){
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this.expandoInner.innerHTML="o";
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dojo.addClass(this.domNode,"dojoxGridExpandoLoading");
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_a.getChildren(_c,function(_d){
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d._loadedChildren=true;
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d._setOpen(_6);
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});
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}else{
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this._setOpen(_6);
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}
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}else{
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this._setOpen(_6);
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}
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}else{
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if(!_a&&_9){
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if(_6){
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var _e=_8._by_idx[this.rowIdx];
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if(_e&&!_9.isItemLoaded(_e.item)){
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this.expandoInner.innerHTML="o";
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dojo.addClass(this.domNode,"dojoxGridExpandoLoading");
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_9.loadItem({item:_e.item,onItem:dojo.hitch(this,function(i){
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var _f=_9.getIdentity(i);
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_8._by_idty[_f]=_8._by_idx[this.rowIdx]={idty:_f,item:i};
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this._setOpen(_6);
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})});
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}else{
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this._setOpen(_6);
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}
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}else{
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this._setOpen(_6);
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}
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}else{
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this._setOpen(_6);
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}
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}
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},_setOpen:function(_10){
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if(_10&&this._tableRow&&dojo.hasClass(this._tableRow,"dojoxGridNoChildren")){
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this._setOpen(false);
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return;
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}
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this.expandoInner.innerHTML=_10?"-":"+";
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dojo.removeClass(this.domNode,"dojoxGridExpandoLoading");
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dojo.toggleClass(this.domNode,"dojoxGridExpandoOpened",_10);
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if(this._tableRow){
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dojo.toggleClass(this._tableRow,"dojoxGridRowCollapsed",!_10);
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var _11=dojo.attr(this._tableRow,"dojoxTreeGridBaseClasses");
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var _12="";
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if(_10){
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_12=dojo.trim((" "+_11+" ").replace(" dojoxGridRowCollapsed "," "));
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}else{
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if((" "+_11+" ").indexOf(" dojoxGridRowCollapsed ")<0){
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_12=_11+(_11?" ":"")+"dojoxGridRowCollapsed";
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}else{
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_12=_11;
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}
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}
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dojo.attr(this._tableRow,"dojoxTreeGridBaseClasses",_12);
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}
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var _13=(this.open!==_10);
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this.open=_10;
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if(this.expandoCell&&this.itemId){
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this.expandoCell.openStates[this.itemId]=_10;
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}
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var v=this.view;
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var g=v.grid;
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if(this.toggleClass&&_13){
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if(!this._tableRow||!this._tableRow.style.display){
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this._toggleRows(this.toggleClass,_10);
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}
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}
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if(v&&this._initialized&&this.rowIdx>=0){
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g.rowHeightChanged(this.rowIdx);
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g.postresize();
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v.hasVScrollbar(true);
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}
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this._initialized=true;
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},onToggle:function(e){
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this.setOpen(!this.open);
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dojo.stopEvent(e);
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},setRowNode:function(_14,_15,_16){
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if(this.cellIdx<0||!this.itemId){
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return false;
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}
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this._initialized=false;
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this.view=_16;
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this.rowNode=_15;
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this.rowIdx=_14;
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this.expandoCell=_16.structure.cells[0][this.cellIdx];
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var d=this.domNode;
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if(d&&d.parentNode&&d.parentNode.parentNode){
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this._tableRow=d.parentNode.parentNode;
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}
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this.open=this.expandoCell.getOpenState(this.itemId);
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if(_16.grid.treeModel){
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dojo.style(this.domNode,"marginLeft",(this.level*18)+"px");
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if(this.domNode.parentNode){
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dojo.style(this.domNode.parentNode,"backgroundPosition",((this.level*18)+(3))+"px");
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}
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}
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this.setOpen(this.open);
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return true;
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}});
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dojo.declare("dojox.grid._TreeContentBuilder",dojox.grid._ContentBuilder,{generateHtml:function(_17,_18){
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var _19=this.getTableArray(),v=this.view,row=v.structure.cells[0],_1a=this.grid.getItem(_18),_1b=this.grid,_1c=this.grid.store;
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dojox.grid.util.fire(this.view,"onBeforeRow",[_18,[row]]);
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var _1d=function(_1e,_1f,_20,_21,_22,_23){
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if(!_23){
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if(_19[0].indexOf("dojoxGridRowTableNeedsRowUpdate")==-1){
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_19[0]=_19[0].replace("dojoxGridRowTable","dojoxGridRowTable dojoxGridRowTableNeedsRowUpdate");
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}
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return;
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}
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var _24=_19.length;
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_21=_21||[];
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var _25=_21.join("|");
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var _26=_21[_21.length-1];
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var _27=_26+(_20?" dojoxGridSummaryRow":"");
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var _28="";
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if(_1b.treeModel&&_1f&&!_1b.treeModel.mayHaveChildren(_1f)){
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_27+=" dojoxGridNoChildren";
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}
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_19.push("<tr style=\""+_28+"\" class=\""+_27+"\" dojoxTreeGridPath=\""+_22.join("/")+"\" dojoxTreeGridBaseClasses=\""+_27+"\">");
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var _29=_1e+1;
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var _2a=null;
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for(var i=0,_2b;(_2b=row[i]);i++){
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var m=_2b.markup,cc=_2b.customClasses=[],cs=_2b.customStyles=[];
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m[5]=_2b.formatAtLevel(_22,_1f,_1e,_20,_26,cc);
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m[1]=cc.join(" ");
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m[3]=cs.join(";");
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_19.push.apply(_19,m);
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if(!_2a&&_2b.level===_29&&_2b.parentCell){
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_2a=_2b.parentCell;
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}
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}
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_19.push("</tr>");
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if(_1f&&_1c&&_1c.isItem(_1f)){
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var _2c=_1c.getIdentity(_1f);
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if(typeof _1b._by_idty_paths[_2c]=="undefined"){
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_1b._by_idty_paths[_2c]=_22.join("/");
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}
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}
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var _2d;
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var _2e;
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var _2f;
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var _30;
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var _31=_22.concat([]);
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if(_1b.treeModel&&_1f){
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if(_1b.treeModel.mayHaveChildren(_1f)){
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_2d=v.structure.cells[0][_1b.expandoCell||0];
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_2e=_2d.getOpenState(_1f)&&_23;
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_2f=new dojox.grid.TreePath(_22.join("/"),_1b);
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_30=_2f.children(true)||[];
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dojo.forEach(_30,function(_32,idx){
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var _33=_25.split("|");
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_33.push(_33[_33.length-1]+"-"+idx);
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_31.push(idx);
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_1d(_29,_32,false,_33,_31,_2e);
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_31.pop();
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});
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}
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}else{
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if(_1f&&_2a&&!_20){
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_2d=v.structure.cells[0][_2a.level];
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_2e=_2d.getOpenState(_1f)&&_23;
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if(_1c.hasAttribute(_1f,_2a.field)){
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var _34=_25.split("|");
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_34.pop();
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_2f=new dojox.grid.TreePath(_22.join("/"),_1b);
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_30=_2f.children(true)||[];
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if(_30.length){
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_19[_24]="<tr class=\""+_34.join(" ")+" dojoxGridExpandoRow\" dojoxTreeGridPath=\""+_22.join("/")+"\">";
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dojo.forEach(_30,function(_35,idx){
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var _36=_25.split("|");
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_36.push(_36[_36.length-1]+"-"+idx);
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_31.push(idx);
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_1d(_29,_35,false,_36,_31,_2e);
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_31.pop();
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});
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_31.push(_30.length);
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_1d(_1e,_1f,true,_21,_31,_2e);
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}else{
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_19[_24]="<tr class=\""+_26+" dojoxGridNoChildren\" dojoxTreeGridPath=\""+_22.join("/")+"\">";
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}
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}else{
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if(!_1c.isItemLoaded(_1f)){
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_19[0]=_19[0].replace("dojoxGridRowTable","dojoxGridRowTable dojoxGridRowTableNeedsRowUpdate");
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}else{
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_19[_24]="<tr class=\""+_26+" dojoxGridNoChildren\" dojoxTreeGridPath=\""+_22.join("/")+"\">";
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}
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}
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}else{
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if(_1f&&!_20&&_21.length>1){
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_19[_24]="<tr class=\""+_21[_21.length-2]+"\" dojoxTreeGridPath=\""+_22.join("/")+"\">";
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}
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}
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}
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};
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_1d(0,_1a,false,["dojoxGridRowToggle-"+_18],[_18],true);
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_19.push("</table>");
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return _19.join("");
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},findTarget:function(_37,_38){
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var n=_37;
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while(n&&(n!=this.domNode)){
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if(n.tagName&&n.tagName.toLowerCase()=="tr"){
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break;
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}
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n=n.parentNode;
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}
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return (n!=this.domNode)?n:null;
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},getCellNode:function(_39,_3a){
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var _3b=dojo.query("td[idx='"+_3a+"']",_39)[0];
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if(_3b&&_3b.parentNode&&!dojo.hasClass(_3b.parentNode,"dojoxGridSummaryRow")){
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return _3b;
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}
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},decorateEvent:function(e){
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e.rowNode=this.findRowTarget(e.target);
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if(!e.rowNode){
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return false;
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}
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e.rowIndex=dojo.attr(e.rowNode,"dojoxTreeGridPath");
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this.baseDecorateEvent(e);
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e.cell=this.grid.getCell(e.cellIndex);
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return true;
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}});
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dojo.declare("dojox.grid._TreeView",[dojox.grid._View],{_contentBuilderClass:dojox.grid._TreeContentBuilder,_onDndDrop:function(_3c,_3d,_3e){
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if(this.grid&&this.grid.aggregator){
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this.grid.aggregator.clearSubtotalCache();
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}
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this.inherited(arguments);
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},postCreate:function(){
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this.inherited(arguments);
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this.connect(this.grid,"_cleanupExpandoCache","_cleanupExpandoCache");
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},_cleanupExpandoCache:function(_3f,_40,_41){
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if(_3f==-1){
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return;
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}
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dojo.forEach(this.grid.layout.cells,function(_42){
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if(typeof _42["openStates"]!="undefined"){
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if(_40 in _42.openStates){
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delete _42.openStates[_40];
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}
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}
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});
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if(typeof _3f=="string"&&_3f.indexOf("/")>-1){
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var _43=new dojox.grid.TreePath(_3f,this.grid);
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var _44=_43.parent();
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while(_44){
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_43=_44;
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_44=_43.parent();
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}
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var _45=_43.item();
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if(!_45){
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return;
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}
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var _46=this.grid.store.getIdentity(_45);
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if(typeof this._expandos[_46]!="undefined"){
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for(var i in this._expandos[_46]){
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var exp=this._expandos[_46][i];
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if(exp){
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exp.destroy();
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}
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delete this._expandos[_46][i];
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}
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delete this._expandos[_46];
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}
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}else{
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for(var i in this._expandos){
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if(typeof this._expandos[i]!="undefined"){
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for(var j in this._expandos[i]){
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var exp=this._expandos[i][j];
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if(exp){
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exp.destroy();
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}
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}
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}
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}
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this._expandos={};
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}
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},postMixInProperties:function(){
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this.inherited(arguments);
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this._expandos={};
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},onBeforeRow:function(_47,_48){
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var g=this.grid;
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if(g._by_idx&&g._by_idx[_47]&&g._by_idx[_47].idty){
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var _49=g._by_idx[_47].idty;
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this._expandos[_49]=this._expandos[_49]||{};
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}
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this.inherited(arguments);
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},onAfterRow:function(_4a,_4b,_4c){
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dojo.forEach(dojo.query("span.dojoxGridExpando",_4c),function(n){
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if(n&&n.parentNode){
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var tc=n.getAttribute("toggleClass");
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var _4d;
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var _4e;
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var g=this.grid;
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if(g._by_idx&&g._by_idx[_4a]&&g._by_idx[_4a].idty){
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_4d=g._by_idx[_4a].idty;
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_4e=this._expandos[_4d][tc];
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}
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if(_4e){
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dojo.place(_4e.domNode,n,"replace");
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_4e.itemId=n.getAttribute("itemId");
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_4e.cellIdx=parseInt(n.getAttribute("cellIdx"),10);
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if(isNaN(_4e.cellIdx)){
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_4e.cellIdx=-1;
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}
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}else{
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_4e=dojo.parser.parse(n.parentNode)[0];
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if(_4d){
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this._expandos[_4d][tc]=_4e;
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}
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}
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if(!_4e.setRowNode(_4a,_4c,this)){
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_4e.domNode.parentNode.removeChild(_4e.domNode);
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}
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}
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},this);
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var alt=false;
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var _4f=this;
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dojo.query("tr[dojoxTreeGridPath]",_4c).forEach(function(n){
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dojo.toggleClass(n,"dojoxGridSubRowAlt",alt);
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dojo.attr(n,"dojoxTreeGridBaseClasses",n.className);
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alt=!alt;
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_4f.grid.rows.styleRowNode(dojo.attr(n,"dojoxTreeGridPath"),n);
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});
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this.inherited(arguments);
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},updateRowStyles:function(_50){
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var _51=dojo.query("tr[dojoxTreeGridPath='"+_50+"']",this.domNode);
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if(_51.length){
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this.styleRowNode(_50,_51[0]);
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}
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},getCellNode:function(_52,_53){
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var row=dojo.query("tr[dojoxTreeGridPath='"+_52+"']",this.domNode)[0];
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if(row){
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return this.content.getCellNode(row,_53);
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}
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}});
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}