ExtJs 使用点滴十四通过设置CheckboxSelectionModel属性值来实现GridPanel复选框可用不可用

2024-08-31 08:05:19

var sm = new Ext.grid.CheckboxSelectionModel({singleSelect : false,renderer:function(v, p, record)
                        {


                          if (record.get('ITEMNAME') == '总计:'){
                               return '';
                          }
                          return '<div class="x-grid3-row-checker"> </div>';
                        },
                      onHdMouseDown : function(e, t) {
                          if (t.className == 'x-grid3-hd-checker') {
                               e.stopEvent();
                               var hd = Ext.fly(t.parentNode);
                               var isChecked = hd.hasClass('x-grid3-hd-checker-on');
                               if (isChecked){
                                  hd.removeClass('x-grid3-hd-checker-on');
                                  this.clearSelections();
                              }else {
                                  hd.addClass('x-grid3-hd-checker-on');
                                  if (this.locked){
                                      return;
                                  }
                                  this.selections.clear();
                                  for (var i = 0, len = this.grid.store.getCount(); i < len; i++ ){
                                      if (this.grid.store.getAt(i).data["ITEMNAME"] != '总计:'){
                                           this.selectRow(i, true);
                                      }
                                 }
                              }
                         }
                      },
                  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){
                                  if(this.grid.store.getAt(rowIndex).data["ITEMNAME"] != '总计:'){
                                      this.selectRow(rowIndex, e.ctrlKey || e.shiftKey);
                                  }
                                  view.focusRow(rowIndex);
                             }
                        }
                  }
             });

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