1. #1
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    Mar 2012
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    ashimmohanty is on a distinguished road

      0  

    Default Unanswered: How to disable/enable cell editing based on the value selected in a combobox?

    Unanswered: How to disable/enable cell editing based on the value selected in a combobox?


    Hi,

    I want to disable/enable cells according to the value in the which is selected in the combobox in the same row.
    I am using a listener to get the value of the combobox..but not able to figure out how to use that value to disable/enable the other cells in the same row.

    Please give an idea.

    Thanks
    This is my grid panel
    Code:
     this.columns = [      
    		          
    			this.abcDropdownColumn({
    									header : 'Abc',
    									sortable : true,
    									dataIndex : 'abcDesc',
    									displayField : 'description',
    									grid : me
    								}),
    {header: " Comments", dataIndex: 'Comments'},
    		    {header: "Days", dataIndex: 'Days'}
     abcDropdownColumn : function(config) {
    		return {
    			header : config.header,
    			//width : config.width,
    			dataIndex : config.dataIndex,
    			editor : {
    				xtype : 'combo',
    				id: 'rightsCombo',
    				editable : true,
    				allowBlank : false,
    				queryMode : 'remote',
    				typeAhead : true,
    				//hideTrigger : true,
    				store : 'Store',
    				displayField : 'abcDesc',
    				valueField : 'abcDesc',
    				triggerAction : 'all',
    				forceSelection : true,
    				
    				listConfig : {
    					loadingText : 'Searching...',
    					emptyText : 'No matching abc...'
    				},
    				grid: config.grid,
    		        displayFieldUpdateTarget: config.displayField,
    				  listeners: {
    			          select: function(combo, records, opts) {
    			            if (records.length > 0) {
    			              var record = this.grid.getStore().getAt(this.grid.getSelectionModel().position.row);
    			              
    			             if(records[0].data.commonProperty == " Exhibition"){
    			            	 
    			            	//need to put the condition here so as to make the "comment" cell and "days" cell    editable
    			             }
    			             
    			              
    			              
    			              
    			            }
    			           
    			          }
    			        }
    		
    			}
    		}

  2. #2
    Sencha User
    Join Date
    Aug 2008
    Location
    Brasov, Romania
    Posts
    34
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    nan21eu is on a distinguished road

      0  

    Default


    I would try a different approach:
    Implement the enable /disable rule in the beforeEdit method of the cell editor which you provide to your grid (Ext.grid.plugin.CellEditing) The comboBox returns the value in the record of the current row and when you want to start editing another cell check if the editing is allowed
    Example:

    beforeEdit : function(context) {
    if (context.field == "
    Days
    " && context.record.get("
    abcDesc
    ") == "xxx" ) {
    return false;
    }
    },

    Check the docs to see what else is available in the context parameter

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