gridview-min.js

Ext JS是一个创建丰富互联网应用程序的跨浏览器的JavaScrip库。它包含：高效率

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),cellEl;if(!(hscroll===false&&col===0)){while(this.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){if(!isUpdate&&firstRow===0&&lastRow>=dm.getCount()-1){this.refresh();}else{if(!isUpdate){this.fireEvent("beforerowsinserted",this,firstRow,lastRow);}
var html=this.renderRows(firstRow,lastRow);var before=this.getRow(firstRow);if(before){Ext.DomHelper.insertHtml('beforeBegin',before,html);}else{Ext.DomHelper.insertHtml('beforeEnd',this.mainBody.dom,html);}
if(!isUpdate){this.fireEvent("rowsinserted",this,firstRow,lastRow);this.processRows(firstRow);}}
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?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,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;}}
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);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(this.ds!==ds&&this.ds.autoDestroy){this.ds.destroy();}}
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);}
this.ds=ds;if(this.cm){this.cm.un("configchange",this.onColConfigChange,this);this.cm.un("widthchange",this.onColWidthChange,this);this.cm.un("headerchange",this.onHeaderChange,this);this.cm.un("hiddenchange",this.onHiddenChange,this);this.cm.un("columnmoved",this.onColumnMove,this);this.cm.un("columnlockchange",this.onColumnLock,this);}
if(cm){delete this.lastViewWidth;cm.on("configchange",this.onColConfigChange,this);cm.on("widthchange",this.onColWidthChange,this);cm.on("headerchange",this.onHeaderChange,this);cm.on("hiddenchange",this.onHiddenChange,this);cm.on("columnmoved",this.onColumnMove,this);cm.on("columnlockchange",this.onColumnLock,this);}
this.cm=cm;},onDataChange:function(){this.refresh();this.updateHeaderSortState();this.syncFocusEl(0);},onClear:function(){this.refresh();this.syncFocusEl(0);},onUpdate:function(ds,record){this.refreshRow(record);},onAdd:function(ds,records,index){this.insertRows(ds,index,index+(records.length-1));},onRemove:function(ds,record,index,isUpdate){if(isUpdate!==true){this.fireEvent("beforerowremoved",this,index,record);}
this.removeRow(index);if(isUpdate!==true){this.processRows(index);this.applyEmptyText();this.fireEvent("rowremoved",this,index,record);}},onLoad:function(){this.scrollToTop();},onColWidthChange:function(cm,col,width){this.updateColumnWidth(col,width);},onHeaderChange:function(cm,col,text){this.updateHeaders();},onHiddenChange:function(cm,col,hidden){this.updateColumnHidden(col,hidden);},onColumnMove:function(cm,oldIndex,newIndex){this.indexMap=null;var s=this.getScrollState();this.refresh(true);this.restoreScroll(s);this.afterMove(newIndex);},onColConfigChange:function(){delete this.lastViewWidth;this.indexMap=null;this.refresh(true);},initUI:function(grid){grid.on("headerclick",this.onHeaderClick,this);},initEvents:function(){},onHeaderClick:function(g,index){if(this.headersDisabled||!this.cm.isSortable(index)){return;}
g.stopEditing(true);g.store.sort(this.cm.getDataIndex(index));},onRowOver:function(e,t){var row;if((row=this.findRowIndex(t))!==false){this.addRowClass(row,"x-grid3-row-over");}},onRowOut:function(e,t){var row;if((row=this.findRowIndex(t))!==false&&!e.within(this.getRow(row),true)){this.removeRowClass(row,"x-grid3-row-over");}},handleWheel:function(e){e.stopPropagation();},onRowSelect:function(row){this.addRowClass(row,this.selectedRowClass);},onRowDeselect:function(row){this.removeRowClass(row,this.selectedRowClass);},onCellSelect:function(row,col){var cell=this.getCell(row,col);if(cell){this.fly(cell).addClass("x-grid3-cell-selected");}},onCellDeselect:function(row,col){var cell=this.getCell(row,col);if(cell){this.fly(cell).removeClass("x-grid3-cell-selected");}},onColumnSplitterMoved:function(i,w){this.userResized=true;var cm=this.grid.colModel;cm.setColumnWidth(i,w,true);if(this.forceFit){this.fitColumns(true,false,i);this.updateAllColumnWidths();}else{this.updateColumnWidth(i,w);this.syncHeaderScroll();}
this.grid.fireEvent("columnresize",i,w);},handleHdMenuClick:function(item){var index=this.hdCtxIndex;var cm=this.cm,ds=this.ds;switch(item.itemId){case"asc":ds.sort(cm.getDataIndex(index),"ASC");break;case"desc":ds.sort(cm.getDataIndex(index),"DESC");break;default:index=cm.getIndexById(item.itemId.substr(4));if(index!=-1){if(item.checked&&cm.getColumnsBy(this.isHideableColumn,this).length<=1){this.onDenyColumnHide();return false;}
cm.setHidden(index,item.checked);}}
return true;},isHideableColumn:function(c){return!c.hidden&&!c.fixed;},beforeColMenuShow:function(){var cm=this.cm,colCount=cm.getColumnCount();this.colMenu.removeAll();for(var i=0;i<colCount;i++){if(cm.config[i].fixed!==true&&cm.config[i].hideable!==false){this.colMenu.add(new Ext.menu.CheckItem({itemId:"col-"+cm.getColumnId(i),text:cm.getColumnHeader(i),checked:!cm.isHidden(i),hideOnClick:false,disabled:cm.config[i].hideable===false}));}}},handleHdDown:function(e,t){if(Ext.fly(t).hasClass('x-grid3-hd-btn')){e.stopEvent();var hd=this.findHeaderCell(t);Ext.fly(hd).addClass('x-grid3-hd-menu-open');var index=this.getCellIndex(hd);this.hdCtxIndex=index;var ms=this.hmenu.items,cm=this.cm;ms.get("asc").setDisabled(!cm.isSortable(index));ms.get("desc").setDisabled(!cm.isSortable(index));this.hmenu.on("hide",function(){Ext.fly(hd).removeClass('x-grid3-hd-menu-open');},this,{single:true});this.hmenu.show(t,"tl-bl?");}},handleHdOver:function(e,t){var hd=this.findHeaderCell(t);if(hd&&!this.headersDisabled){this.activeHd=hd;this.activeHdIndex=this.getCellIndex(hd);var fly=this.fly(hd);this.activeHdRegion=fly.getRegion();if(!this.cm.isMenuDisabled(this.activeHdIndex)){fly.addClass("x-grid3-hd-over");this.activeHdBtn=fly.child('.x-grid3-hd-btn');if(this.activeHdBtn){this.activeHdBtn.dom.style.height=(hd.firstChild.offsetHeight-1)+'px';}}}},handleHdMove:function(e,t){if(this.activeHd&&!this.headersDisabled){var hw=this.splitHandleWidth||5;var r=this.activeHdRegion;var x=e.getPageX();var ss=this.activeHd.style;if(x-r.left<=hw&&this.cm.isResizable(this.activeHdIndex-1)){ss.cursor=Ext.isAir?'move':Ext.isWebKit?'e-resize':'col-resize';}else if(r.right-x<=(!this.activeHdBtn?hw:2)&&this.cm.isResizable(this.activeHdIndex)){ss.cursor=Ext.isAir?'move':Ext.isWebKit?'w-resize':'col-resize';}else{ss.cursor='';}}},handleHdOut:function(e,t){var hd=this.findHeaderCell(t);if(hd&&(!Ext.isIE||!e.within(hd,true))){this.activeHd=null;this.fly(hd).removeClass("x-grid3-hd-over");hd.style.cursor='';}},hasRows:function(){var fc=this.mainBody.dom.firstChild;return fc&&fc.nodeType==1&&fc.className!='x-grid-empty';},bind:function(d,c){this.initData(d,c);}});Ext.grid.GridView.SplitDragZone=function(grid,hd){this.grid=grid;this.view=grid.getView();this.marker=this.view.resizeMarker;this.proxy=this.view.resizeProxy;Ext.grid.GridView.SplitDragZone.superclass.constructor.call(this,hd,"gridSplitters"+this.grid.getGridEl().id,{dragElId:Ext.id(this.proxy.dom),resizeFrame:false});this.scroll=false;this.hw=this.view.splitHandleWidth||5;};Ext.extend(Ext.grid.GridView.SplitDragZone,Ext.dd.DDProxy,{b4StartDrag:function(x,y){this.view.headersDisabled=true;var h=this.view.mainWrap.getHeight();this.marker.setHeight(h);this.marker.show();this.marker.alignTo(this.view.getHeaderCell(this.cellIndex),'tl-tl',[-2,0]);this.proxy.setHeight(h);var w=this.cm.getColumnWidth(this.cellIndex);var minw=Math.max(w-this.grid.minColumnWidth,0);this.resetConstraints();this.setXConstraint(minw,1000);this.setYConstraint(0,0);this.minX=x-minw;this.maxX=x+1000;this.startPos=x;Ext.dd.DDProxy.prototype.b4StartDrag.call(this,x,y);},handleMouseDown:function(e){var t=this.view.findHeaderCell(e.getTarget());if(t){var xy=this.view.fly(t).getXY(),x=xy[0],y=xy[1];var exy=e.getXY(),ex=exy[0];var w=t.offsetWidth,adjust=false;if((ex-x)<=this.hw){adjust=-1;}else if((x+w)-ex<=this.hw){adjust=0;}
if(adjust!==false){this.cm=this.grid.colModel;var ci=this.view.getCellIndex(t);if(adjust==-1){if(ci+adjust<0){return;}
while(this.cm.isHidden(ci+adjust)){--adjust;if(ci+adjust<0){return;}}}
this.cellIndex=ci+adjust;this.split=t.dom;if(this.cm.isResizable(this.cellIndex)&&!this.cm.isFixed(this.cellIndex)){Ext.grid.GridView.SplitDragZone.superclass.handleMouseDown.apply(this,arguments);}}else if(this.view.columnDrag){this.view.columnDrag.callHandleMouseDown(e);}}},endDrag:function(e){this.marker.hide();var v=this.view;var endX=Math.max(this.minX,e.getPageX());var diff=endX-this.startPos;v.onColumnSplitterMoved(this.cellIndex,this.cm.getColumnWidth(this.cellIndex)+diff);setTimeout(function(){v.headersDisabled=false;},50);},autoOffset:function(){this.setDelta(0,0);}});