grid.js

ext-2.3.0

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);this.grid.fireEvent('columnmove',oldIndex,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,"x-grid3-row-selected");},onRowDeselect:function(row){this.removeRowClass(row,"x-grid3-row-selected");},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.id){case"asc":ds.sort(cm.getDataIndex(index),"ASC");break;case"desc":ds.sort(cm.getDataIndex(index),"DESC");break;default:index=cm.getIndexById(item.id.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({id:"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],ey=exy[1];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);}});

Ext.grid.ColumnModel=function(config){this.defaultWidth=100;this.defaultSortable=false;if(config.columns){Ext.apply(this,config);this.setConfig(config.columns,true);}else{this.setConfig(config,true);}
this.addEvents("widthchange","headerchange","hiddenchange","columnmoved","columnlockchange","configchange");Ext.grid.ColumnModel.superclass.constructor.call(this);};Ext.extend(Ext.grid.ColumnModel,Ext.util.Observable,{getColumnId:function(index){return this.config[index].id;},setConfig:function(config,initial){if(!initial){delete this.totalWidth;for(var i=0,len=this.config.length;i<len;i++){var c=this.config[i];if(c.editor){c.editor.destroy();}}}
this.config=config;this.lookup={};for(var i=0,len=config.length;i<len;i++){var c=config[i];if(typeof c.renderer=="string"){c.renderer=Ext.util.Format[c.renderer];}
if(typeof c.id=="undefined"){c.id=i;}
if(c.editor&&c.editor.isFormField){c.editor=new Ext.grid.GridEditor(c.editor);}
this.lookup[c.id]=c;}
if(!initial){this.fireEvent('configchange',this);}},getColumnById:function(id){return this.lookup[id];},getIndexById:function(id){for(var i=0,len=this.config.length;i<len;i++){if(this.config[i].id==id){return i;}}
return-1;},moveColumn:function(oldIndex,newIndex){var c=this.config[oldIndex];this.config.splice(oldIndex,1);this.config.splice(newIndex,0,c);this.dataMap=null;this.fireEvent("columnmoved",this,oldIndex,newIndex);},isLocked:function(colIndex){return this.config[colIndex].locked===true;},setLocked:function(colIndex,value,suppressEvent){if(this.isLocked(colIndex)==value){return;}
this.config[colIndex].locked=value;if(!suppressEvent){this.fireEvent("columnlockchange",this,colIndex,value);}},getTotalLockedWidth:function(){var totalWidth=0;for(var i=0;i<this.config.length;i++){if(this.isLocked(i)&&!this.isHidden(i)){this.totalWidth+=this.getColumnWidth(i);}}
return totalWidth;},getLockedCount:function(){for(var i=0,len=this.config.length;i<len;i++){if(!this.isLocked(i)){return i;}}},getColumnCount:function(visibleOnly){if(visibleOnly===true){var c=0;for(var i=0,len=this.config.length;i<len;i++){if(!this.isHidden(i)){c++;}}
return c;}
return this.config.length;},getColumnsBy:function(fn,scope){var r=[];for(var i=0,len=this.config.length;i<len;i++){var c=this.config[i];if(fn.call(scope||this,c,i)===true){r[r.length]=c;}}
return r;},isSortable:function(col){if(typeof this.config[col].sortable=="undefined"){return this.defaultSortable;}
return this.config[col].sortable;},isMenuDisabled:function(col){return!!this.config[col].menuDisabled;},getRenderer:function(col){if(!this.config[col].renderer){return Ext.grid.ColumnModel.defaultRenderer;}
return this.config[col].renderer;},setRenderer:function(col,fn){this.config[col].renderer=fn;},getColumnWidth:function(col){return this.config[col].width||this.defaultWidth;},setColumnWidth:function(col,width,suppressEvent){this.config[col].width=width;this.totalWidth=null;if(!suppressEvent){this.fireEvent("widthchange",this,col,width);}},getTotalWidth:function(includeHidden){if(!this.totalWidth){this.totalWidth=0;for(var i=0,len=this.config.length;i<len;i++){if(includeHidden||!this.isHidden(i)){this.totalWidth+=this.getColumnWidth(i);}}}
return this.totalWidth;},getColumnHeader:function(col){return this.config[col].header;},setColumnHeader:function(col,header){this.config[col].header=header;this.fireEvent("headerchange",this,col,header);},getColumnTooltip:function(col){return this.config[col].tooltip;},setColumnTooltip:function(col,tooltip){this.config[col].tooltip=tooltip;},getDataIndex:function(col){return this.config[col].dataIndex;},setDataIndex:function(col,dataIndex){this.config[col].dataIndex=dataIndex;},findColumnIndex:function(dataIndex){var c=this.config;for(var i=0,len=c.length;i<len;i++){if(c[i].dataIndex==dataIndex){return i;}}
return-1;},isCellEditable:function(colIndex,rowIndex){return(this.config[colIndex].editable||(typeof this.config[colIndex].editable=="undefined"&&this.config[colIndex].editor))?true:false;},getCellEditor:function(colIndex,rowIndex){return this.config[colIndex].editor;},setEditable:function(col,editable){this.config[col].editable=editable;},isHidden:function(colIndex){return this.config[colIndex].hidden;},isFixed:function(colIndex){return this.config[colIndex].fixed;},isResizable:function(colIndex){return colIndex>=0&&this.config[colIndex].resizable!==false&&this.config[colIndex].fixed!==true;},setHidden:function(colIndex,hidden){var c=this.config[colIndex];if(c.hidden!==hidden){c.hidden=hidden;this.totalWidth=null;this.fireEvent("hiddenchange",this,colIndex,hidden);}},setEditor:function(col,editor){Ext.destroy(this.config[col].editor);this.config[col].editor=editor;},destroy:function(){var c=this.config;for(var i=0,c=this.config,len=c.length;i<len;i++){Ext.destroy(c[i].editor);}
this.purgeListeners();}});Ext.grid.ColumnModel.defaultRenderer=function(value){if(typeof value=="string"&&value.length<1){return"&#160;";}
return value;};Ext.grid.DefaultColumnModel=Ext.grid.ColumnModel;

Ext.grid.AbstractSelectionModel=function(){this.locked=false;Ext.grid.AbstractSelectionModel.superclass.constructor.call(this);};Ext.extend(Ext.grid.AbstractSelectionModel,Ext.util.Observable,{init:function(grid){this.grid=grid;this.initEvents();},lock:function(){this.locked=true;},unlock:function(){this.locked=false;},isLocked:function(){return this.locked;},destroy:function(){this.purgeListeners();}});

Ext.grid.RowSelectionModel=function(config){Ext.apply(this,config);this.selections=new Ext.util.MixedCollection(false,function(o){return o.id;});this.last=false;this.lastActive=false;this.addEvents("selectionchange","beforerowselect","rowselect","rowdeselect");Ext.grid.RowSelectionModel.superclass.constructor.call(this);};Ext.extend(Ext.grid.RowSelectionModel,Ext.grid.AbstractSelectionModel,{singleSelect:false,initEvents:function(){if(!this.grid.enableDragDrop&&!this.grid.enableDrag){this.grid.on("rowmousedown",this.handleMouseDown,this);}
this.rowNav=new Ext.KeyNav(this.grid.getGridEl(),{"up":function(e){if(!e.shiftKey||this.singleSelect){this.selectPrevious(false);}else if(this.last!==false&&this.lastActive!==false){var last=this.last;this.selectRange(this.last,this.lastActive-1);this.grid.getView().focusRow(this.lastActive);if(last!==false){this.last=last;}}else{this.selectFirstRow();}},"down":function(e){if(!e.shiftKey||this.singleSelect){this.selectNext(false);}else if(this.last!==false&&this.lastActive!==false){var last=this.last;this.selectRange(this.last,this.lastActive+1);this.grid.getView().focusRow(this.lastActive);if(last!==false){this.last=last;}}else{this.selectFirstRow();}},scope:this});var view=this.grid.view;view.on("refresh",this.onRefresh,this);view.on("rowupdated",this.onRowUpdated,this);view.on("rowremoved",this.onRemove,this);},onRefresh:function(){var ds=this.grid.store,index;var s=this.getSelections();this.clearSelections(true);for(var i=0,len=s.length;i<len;i++){var r=s[i];if((index=ds.indexOfId(r.id))!=-1){this.selectRow(index,true);}}
if(s.length!=this.selections.getCount()){this.fireEvent("selectionchange",this);}},onRemove:function(v,index,r){if(this.selections.remove(r)!==false){this.fireEvent('selectionchange',this);}},onRowUpdated:function(v,index,r){if(this.isSelected(r)){v.onRowSelect(index);}},selectRecords:function(records,keepExisting){if(!keepExisting){this.clearSelections();}
var ds=this.grid.store;for(var i=0,len=records.length;i<len;i++){this.selectRow(ds.indexOf(records[i]),true);}},getCount:function(){return this.selections.length;},selectFirstRow:function(){this.selectRow(0);},selectLastRow:function(keepExisting){this.selectRow(this.grid.store.getCount()-1,keepExisting);},selectNext:function(keepExisting){if(this.hasNext()){this.selectRow(this.last+1,keepExisting);this.grid.getView().focusRow(this.last);return true;}
return false;},selectPrevious:function(keepExisting){if(this.hasPrevious()){this.selectRow(this.last-1,keepExisting);this.grid.getView().focusRow(this.last);return true;}
return false;},hasNext:function(){return this.last!==false&&(this.last+1)<this.grid.store.getCount();},hasPrevious:function(){return!!this.last;},getSelections:function(){return[].concat(this.selections.items);},getSelected:function(){return this.selections.itemAt(0);},each:function(fn,scope){var s=this.getSelections();for(var i=0,len=s.length;i<len;i++){if(fn.call(scope||this,s[i],i)===false){return false;}}
return true;},clearSelections:function(fast){if(this.isLocked())return;if(fast!==true){var ds=this.grid.store;var s=this.selections;s.each(function(r){this.deselectRow(ds.indexOfId(r.id));},this);s.clear();}else{this.selections.clear();}
this.last=false;},selectAll:function(){if(this.isLocked())return;this.selections.clear();for(var i=0,len=this.grid.store.getCount();i<len;i++){this.selectRow(i,true);}},hasSelection:function(){return this.selections.length>0;},isSelected:function(index){var r=typeof index=="number"?this.grid.store.getAt(index):index;return(r&&this.selections.key(r.id)?true:false);},isIdSelected:function(id){return(this.selections.key(id)?true:false);},handleMouseDown:function(g,rowIndex,e){if(e.button!==0||this.isLocked()){return;};var view=this.grid.getView();if(e.shiftKey&&!this.singleSelect&&this.last!==false){var last=this.last;this.selectRange(last,rowIndex,e.ctrlKey);this.last=last;view.focusRow(rowIndex);}else{var isSelected=this.isSelected(rowIndex);if(e.ctrlKey&&isSelected){this.deselectRow(rowIndex);}else if(!isSelected||this.getCount()>1){this.selectRow(rowIndex,e.ctrlKey||e.shiftKey);view.focusRow(rowIndex);}}},selectRows:function(rows,keepExisting){if(!keepExisting){this.clearSelections();}
for(var i=0,len=rows.length;i<len;i++){this.selectRow(rows[i],true);}},selectRange:function(startRow,endRow,keepExisting){if(this.isLocked())return;if(!keepExisting){this.clearSelections();}
if(startRow<=endRow){for(var i=startRow;i<=endRow;i++){this.selectRow(i,true);}}else{for(var i=startRow;i>=endRow;i--){this.selectRow(i,true);}}},deselectRange:function(startRow,endRow,preventViewNotify){if(this.isLocked())return;for(var i=startRow;i<=endRow;i++){this.deselectRow(i,preventViewNotify);}},selectRow:function(index,keepExisting,preventViewNotify){if(this.isLocked()||(index<0||index>=this.grid.store.getCount())||(keepExisting&&this.isSelected(index))){return;}
var r=this.grid.store.getAt(index);if(r&&this.fireEvent("beforerowselect",this,index,keepExisting,r)!==false){if(!keepExisting||this.singleSelect){this.clearSelections();}
this.selections.add(r);this.last=this.lastActive=index;if(!preventViewNotify){this.grid.getView().onRowSelect(index);}