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  1. #1
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    Default Enable-Disable cells of single column in Ext.grid.EditorGridPanel

    Enable-Disable cells of single column in Ext.grid.EditorGridPanel


    Hi All,
    I have EditorGridPanel and I want Enable-disable cell values depending on other column value of same Row and I am using Extjs 3. As I tried to find out a solution on Google there is I found that
    I can able to use RowEditing plug-in. I don't want to use this plug in, so is there another way to do this?

    And I want to do this enable and disable when click on Edit button, so I can able to do this on "beforeedit" event.
    here I am getting issue that how I can able to access one particular cell object and how I can able to enable and disable that cell object. I know there is method to enable-disable whole column of
    grid but is there any method which returns that particular cell object and enable-disable that cell object?

    Is anyone knows is there any way to do this, please let me know, Thanks.

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    See if the following helps:

    Code:
    Ext.onReady(function(){
        // sample static data for the store
        var myData = [
            ['3m Co',                               71.72, 0.02,  0.03,  '9/1 12:00am'],
            ['Alcoa Inc',                           29.01, 0.42,  1.47,  '9/1 12:00am'],
            ['Altria Group Inc',                    83.81, 0.28,  0.34,  '9/1 12:00am'],
            ['American Express Company',            52.55, 0.01,  0.02,  '9/1 12:00am'],
            ['American International Group, Inc.',  64.13, 0.31,  0.49,  '9/1 12:00am'],
            ['Verizon Communications',              35.57, 0.39,  1.11,  '9/1 12:00am'],            
            ['Wal-Mart Stores, Inc.',               45.45, 0.73,  1.63,  '9/1 12:00am']
        ];
    
        // create the data store
        var store = new Ext.data.ArrayStore({
            fields: [
               {name: 'company'},
               {name: 'price',      type: 'float'},
               {name: 'change',     type: 'float'},
               {name: 'pctChange',  type: 'float'},
               {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
            ]
        });
    
        // manually load local data
        store.loadData(myData);
    
        // create the Grid
        var grid = new Ext.grid.EditorGridPanel({
            store: store,
            columns: [
                {
                    id       :'company',
                    header   : 'Company', 
                    width    : 160, 
                    sortable : true, 
                    dataIndex: 'company',
                    editor: {
                        xtype: 'textfield',
                        allowBlank: false
                    }
                },
                {
                    header   : 'Price', 
                    width    : 75, 
                    sortable : true, 
                    renderer : 'usMoney', 
                    dataIndex: 'price',
                    editor: {
                        xtype: 'textfield',
                        allowBlank: false
                    }
                },
                {
                    header   : 'Change', 
                    width    : 75, 
                    sortable : true, 
                    dataIndex: 'change',
                    editor: {
                        xtype: 'textfield',
                        allowBlank: false
                    }
                },
                {
                    header   : '% Change', 
                    width    : 75, 
                    sortable : true, 
                    dataIndex: 'pctChange'
                },
                {
                    header   : 'Last Updated', 
                    width    : 85, 
                    sortable : true, 
                    renderer : Ext.util.Format.dateRenderer('m/d/Y'), 
                    dataIndex: 'lastChange'
                }
            ],
            stripeRows: true,
            autoExpandColumn: 'company',
            height: 350,
            width: 600,
            title: 'Array Grid',
            renderTo: Ext.getBody(),
            listeners: {
                beforeedit: function(grid){
                    if (grid.field === 'price') {
                        return false;
                    }
                    //console.log(grid);
                }
            }
        });
    
    });
    Scott.

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    Hi Scott,
    Thanks for reply, but this will disable whole Row. I want to disable specific cell. So that in one column some cell values can be disable and some values can enable depending on other column value of same row.

    Updated:

    As I previously considering "beforeedit" event is fire for row but it's fire for each cell which we click. So I get field name first as "var fldname= e.field;" and then I am returning false for matched field to make it disable for Ex:

    onBeforeEdit : function(e) {
    var fldname= e.field;
    if(fldname == "FirstName" || fldname = "LastName"){
    return false;
    }


    so it disables "FirstName" and "LastName" columns of grid.
    Last edited by bhagwatgurle; 4 Oct 2012 at 4:20 AM. Reason: Find out the solution

  4. #4
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    As shown in my code, it only disables the price field. Glad you have it working.

    Scott.

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