grid.js

ext-2.3.0

if(g.autoHeight){this.scroller.dom.style.overflow='visible';if(Ext.isWebKit){this.scroller.dom.style.position='static';}}else{this.el.setSize(csize.width,csize.height);var hdHeight=this.mainHd.getHeight();var vh=csize.height-(hdHeight);this.scroller.setSize(vw,vh);if(this.innerHd){this.innerHd.style.width=(vw)+'px';}}
if(this.forceFit){if(this.lastViewWidth!=vw){this.fitColumns(false,false);this.lastViewWidth=vw;}}else{this.autoExpand();this.syncHeaderScroll();}
this.onLayout(vw,vh);},onLayout:function(vw,vh){},onColumnWidthUpdated:function(col,w,tw){},onAllColumnWidthsUpdated:function(ws,tw){},onColumnHiddenUpdated:function(col,hidden,tw){},updateColumnText:function(col,text){},afterMove:function(colIndex){},init:function(grid){this.grid=grid;this.initTemplates();this.initData(grid.store,grid.colModel);this.initUI(grid);},getColumnId:function(index){return this.cm.getColumnId(index);},getOffsetWidth:function(){return(this.cm.getTotalWidth()+this.scrollOffset)+'px';},renderHeaders:function(){var cm=this.cm,ts=this.templates;var ct=ts.hcell;var cb=[],sb=[],p={};var len=cm.getColumnCount();var last=len-1;for(var i=0;i<len;i++){p.id=cm.getColumnId(i);p.value=cm.getColumnHeader(i)||"";p.style=this.getColumnStyle(i,true);p.tooltip=this.getColumnTooltip(i);p.css=i==0?'x-grid3-cell-first ':(i==last?'x-grid3-cell-last ':'');if(cm.config[i].align=='right'){p.istyle='padding-right:16px';}else{delete p.istyle;}
cb[cb.length]=ct.apply(p);}
return ts.header.apply({cells:cb.join(""),tstyle:'width:'+this.getTotalWidth()+';'});},getColumnTooltip:function(i){var tt=this.cm.getColumnTooltip(i);if(tt){if(Ext.QuickTips.isEnabled()){return'ext:qtip="'+tt+'"';}else{return'title="'+tt+'"';}}
return"";},beforeUpdate:function(){this.grid.stopEditing(true);},updateHeaders:function(){this.innerHd.firstChild.innerHTML=this.renderHeaders();this.innerHd.firstChild.style.width=this.getOffsetWidth();this.innerHd.firstChild.firstChild.style.width=this.getTotalWidth();},focusRow:function(row){this.focusCell(row,0,false);},focusCell:function(row,col,hscroll){this.syncFocusEl(this.ensureVisible(row,col,hscroll));if(Ext.isGecko){this.focusEl.focus();}else{this.focusEl.focus.defer(1,this.focusEl);}},resolveCell:function(row,col,hscroll){if(typeof row!="number"){row=row.rowIndex;}
if(!this.ds){return null;}
if(row<0||row>=this.ds.getCount()){return null;}
col=(col!==undefined?col:0);var rowEl=this.getRow(row),cm=this.cm,colCount=cm.getColumnCount(),cellEl;if(!(hscroll===false&&col===0)){while(col<colCount&&cm.isHidden(col)){col++;}
cellEl=this.getCell(row,col);}
return{row:rowEl,cell:cellEl};},getResolvedXY:function(resolved){if(!resolved){return null;}
var s=this.scroller.dom,c=resolved.cell,r=resolved.row;return c?Ext.fly(c).getXY():[this.el.getX(),Ext.fly(r).getY()];},syncFocusEl:function(row,col,hscroll){var xy=row;if(!Ext.isArray(xy)){row=Math.min(row,Math.max(0,this.getRows().length-1));xy=this.getResolvedXY(this.resolveCell(row,col,hscroll));}
this.focusEl.setXY(xy||this.scroller.getXY());},ensureVisible:function(row,col,hscroll){var resolved=this.resolveCell(row,col,hscroll);if(!resolved||!resolved.row){return;}
var rowEl=resolved.row,cellEl=resolved.cell;var c=this.scroller.dom;var ctop=0;var p=rowEl,stop=this.el.dom;while(p&&p!=stop){ctop+=p.offsetTop;p=p.offsetParent;}
ctop-=this.mainHd.dom.offsetHeight;var cbot=ctop+rowEl.offsetHeight;var ch=c.clientHeight;var stop=parseInt(c.scrollTop,10);var sbot=stop+ch;if(ctop<stop){c.scrollTop=ctop;}else if(cbot>sbot){c.scrollTop=cbot-ch;}
if(hscroll!==false){var cleft=parseInt(cellEl.offsetLeft,10);var cright=cleft+cellEl.offsetWidth;var sleft=parseInt(c.scrollLeft,10);var sright=sleft+c.clientWidth;if(cleft<sleft){c.scrollLeft=cleft;}else if(cright>sright){c.scrollLeft=cright-c.clientWidth;}}
return this.getResolvedXY(resolved);},insertRows:function(dm,firstRow,lastRow,isUpdate){var last=dm.getCount()-1;if(!isUpdate&&firstRow===0&&lastRow>=last){this.refresh();}else{if(!isUpdate){this.fireEvent("beforerowsinserted",this,firstRow,lastRow);}
var html=this.renderRows(firstRow,lastRow);var before=this.getRow(firstRow);if(before){if(firstRow===0){Ext.fly(this.getRow(0)).removeClass(this.firstRowCls);}
Ext.DomHelper.insertHtml('beforeBegin',before,html);}else{var r=this.getRow(last-1);if(r){Ext.fly(r).removeClass(this.lastRowCls);}
Ext.DomHelper.insertHtml('beforeEnd',this.mainBody.dom,html);}
if(!isUpdate){this.fireEvent("rowsinserted",this,firstRow,lastRow);this.processRows(firstRow);}else if(firstRow===0||firstRow>=last){Ext.fly(this.getRow(firstRow)).addClass(firstRow===0?this.firstRowCls:this.lastRowCls);}}
this.syncFocusEl(firstRow);},deleteRows:function(dm,firstRow,lastRow){if(dm.getRowCount()<1){this.refresh();}else{this.fireEvent("beforerowsdeleted",this,firstRow,lastRow);this.removeRows(firstRow,lastRow);this.processRows(firstRow);this.fireEvent("rowsdeleted",this,firstRow,lastRow);}},getColumnStyle:function(col,isHeader){var style=!isHeader?(this.cm.config[col].css||''):'';style+='width:'+this.getColumnWidth(col)+';';if(this.cm.isHidden(col)){style+='display:none;';}
var align=this.cm.config[col].align;if(align){style+='text-align:'+align+';';}
return style;},getColumnWidth:function(col){var w=this.cm.getColumnWidth(col);if(typeof w=='number'){return(Ext.isBorderBox||(Ext.isWebKit&&!Ext.isSafari2)?w:(w-this.borderWidth>0?w-this.borderWidth:0))+'px';}
return w;},getTotalWidth:function(){return this.cm.getTotalWidth()+'px';},fitColumns:function(preventRefresh,onlyExpand,omitColumn){var cm=this.cm,leftOver,dist,i;var tw=cm.getTotalWidth(false);var aw=this.grid.getGridEl().getWidth(true)-this.scrollOffset;if(aw<20){return;}
var extra=aw-tw;if(extra===0){return false;}
var vc=cm.getColumnCount(true);var ac=vc-(typeof omitColumn=='number'?1:0);if(ac===0){ac=1;omitColumn=undefined;}
var colCount=cm.getColumnCount();var cols=[];var extraCol=0;var width=0;var w;for(i=0;i<colCount;i++){if(!cm.isHidden(i)&&!cm.isFixed(i)&&i!==omitColumn){w=cm.getColumnWidth(i);cols.push(i);extraCol=i;cols.push(w);width+=w;}}
var frac=(aw-cm.getTotalWidth())/width;while(cols.length){w=cols.pop();i=cols.pop();cm.setColumnWidth(i,Math.max(this.grid.minColumnWidth,Math.floor(w+w*frac)),true);}
if((tw=cm.getTotalWidth(false))>aw){var adjustCol=ac!=vc?omitColumn:extraCol;cm.setColumnWidth(adjustCol,Math.max(1,cm.getColumnWidth(adjustCol)-(tw-aw)),true);}
if(preventRefresh!==true){this.updateAllColumnWidths();}
return true;},autoExpand:function(preventUpdate){var g=this.grid,cm=this.cm;if(!this.userResized&&g.autoExpandColumn){var tw=cm.getTotalWidth(false);var aw=this.grid.getGridEl().getWidth(true)-this.scrollOffset;if(tw!=aw){var ci=cm.getIndexById(g.autoExpandColumn);var currentWidth=cm.getColumnWidth(ci);var cw=Math.min(Math.max(((aw-tw)+currentWidth),g.autoExpandMin),g.autoExpandMax);if(cw!=currentWidth){cm.setColumnWidth(ci,cw,true);if(preventUpdate!==true){this.updateColumnWidth(ci,cw);}}}}},getColumnData:function(){var cs=[],cm=this.cm,colCount=cm.getColumnCount();for(var i=0;i<colCount;i++){var name=cm.getDataIndex(i);cs[i]={name:(typeof name=='undefined'?this.ds.fields.get(i).name:name),renderer:cm.getRenderer(i),id:cm.getColumnId(i),style:this.getColumnStyle(i)};}
return cs;},renderRows:function(startRow,endRow){var g=this.grid,cm=g.colModel,ds=g.store,stripe=g.stripeRows;var colCount=cm.getColumnCount();if(ds.getCount()<1){return"";}
var cs=this.getColumnData();startRow=startRow||0;endRow=typeof endRow=="undefined"?ds.getCount()-1:endRow;var rs=ds.getRange(startRow,endRow);return this.doRender(cs,rs,ds,startRow,colCount,stripe);},renderBody:function(){var markup=this.renderRows()||'&nbsp;';return this.templates.body.apply({rows:markup});},refreshRow:function(record){var ds=this.ds,index;if(typeof record=='number'){index=record;record=ds.getAt(index);if(!record){return;}}else{index=ds.indexOf(record);if(index<0){return;}}
var cls=[];this.insertRows(ds,index,index,true);this.getRow(index).rowIndex=index;this.onRemove(ds,record,index+1,true);this.fireEvent("rowupdated",this,index,record);},refresh:function(headersToo){this.fireEvent("beforerefresh",this);this.grid.stopEditing(true);var result=this.renderBody();this.mainBody.update(result).setWidth(this.getTotalWidth());if(headersToo===true){this.updateHeaders();this.updateHeaderSortState();}
this.processRows(0,true);this.layout();this.applyEmptyText();this.fireEvent("refresh",this);},applyEmptyText:function(){if(this.emptyText&&!this.hasRows()){this.mainBody.update('<div class="x-grid-empty">'+this.emptyText+'</div>');}},updateHeaderSortState:function(){var state=this.ds.getSortState();if(!state){return;}
if(!this.sortState||(this.sortState.field!=state.field||this.sortState.direction!=state.direction)){this.grid.fireEvent('sortchange',this.grid,state);}
this.sortState=state;var sortColumn=this.cm.findColumnIndex(state.field);if(sortColumn!=-1){var sortDir=state.direction;this.updateSortIcon(sortColumn,sortDir);}},destroy:function(){if(this.colMenu){Ext.menu.MenuMgr.unregister(this.colMenu);this.colMenu.destroy();delete this.colMenu;}
if(this.hmenu){Ext.menu.MenuMgr.unregister(this.hmenu);this.hmenu.destroy();delete this.hmenu;}
if(this.grid.enableColumnMove){var dds=Ext.dd.DDM.ids['gridHeader'+this.grid.getGridEl().id];if(dds){for(var dd in dds){if(!dds[dd].config.isTarget&&dds[dd].dragElId){var elid=dds[dd].dragElId;dds[dd].unreg();Ext.get(elid).remove();}else if(dds[dd].config.isTarget){dds[dd].proxyTop.remove();dds[dd].proxyBottom.remove();dds[dd].unreg();}
if(Ext.dd.DDM.locationCache[dd]){delete Ext.dd.DDM.locationCache[dd];}}
delete Ext.dd.DDM.ids['gridHeader'+this.grid.getGridEl().id];}}
if(this.dragZone){this.dragZone.unreg();}
Ext.fly(this.innerHd).removeAllListeners();Ext.removeNode(this.innerHd);Ext.destroy(this.resizeMarker,this.resizeProxy,this.focusEl,this.mainBody,this.scroller,this.mainHd,this.mainWrap,this.dragZone,this.splitZone,this.columnDrag,this.columnDrop);this.initData(null,null);Ext.EventManager.removeResizeListener(this.onWindowResize,this);this.purgeListeners();},onDenyColumnHide:function(){},render:function(){if(this.autoFill){var ct=this.grid.ownerCt;if(ct&&ct.getLayout()){ct.on('afterlayout',function(){this.fitColumns(true,true);this.updateHeaders();},this,{single:true});}else{this.fitColumns(true,true);}}else if(this.forceFit){this.fitColumns(true,false);}else if(this.grid.autoExpandColumn){this.autoExpand(true);}
this.renderUI();},initData:function(ds,cm){if(this.ds){this.ds.un("load",this.onLoad,this);this.ds.un("datachanged",this.onDataChange,this);this.ds.un("add",this.onAdd,this);this.ds.un("remove",this.onRemove,this);this.ds.un("update",this.onUpdate,this);this.ds.un("clear",this.onClear,this);}
if(ds){ds.on("load",this.onLoad,this);ds.on("datachanged",this.onDataChange,this);ds.on("add",this.onAdd,this);ds.on("remove",this.onRemove,this);ds.on("update",this.onUpdate,this);ds.on("clear",this.onClear,this);}