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    Which checkboxes you want to hide; checkboxes in a data cell or checkboxes of CheckboxSelectionModel?

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    In the demos for array grid, edit grid, they show how to use a renderer.

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    wow... flash response... great
    I think is on CheckBoxSelectionModel. I mean:
    I need hide checkbox if customer data have field "mobile" empty. This prevent to select rows with have no mobile and future checks on ServerSide. As I eplained, application have purpose to send SMS, than customers which have no Mobile inserted can't receive SMS.

    Thank U again.
    PS. Tomorrow I'll buy PACK-IT book, i'm very entusiast of EXT (I like OO programing style - Javascript is poor language, but i discover him again

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    in reply to:
    In the demos for array grid, edit grid, they show how to use a renderer.
    About demos (array grid ecc) : renderer
    All explamples is focused to existent column in data definition, eg: amount : change color of css depend of value of amount ecc. In my case checkbox column have purpose to select only row and have no binding data i data storage, but must interact with data store to verify value of one field.

    Thanks in advice.
    Alberto

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    You can access record argument in your renderer such as:
    PHP Code:

    var mobile record.get('mobile');
    if(
    true !== mobile) { // or whatever condition you need
        
    return '';
    }
    else {
        return 
    '<div class="x-grid3-row-checker">&nbsp;</div>';

    However, keep in mind that not displaying the checkbox will not prevent record selection. You'll need to handle it programmatically.

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    I think....or thought....Checkbox was just using images, either a checked or unchecked image box. So value for field could be 1 or 0. The renderer would just show the appropriate image for the underlying value. I would have looked at using click event on that column to change the value.

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    Look at the last example in this section as another inspiration source:

    http://extjs.com/learn/Ext_FAQ_Grid#...ing.2C_etc..29

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    Default [SOLVED]

    [SOLVED]


    Hi all,
    Thanks for all contributors, this thread helped to clear some points of CheckboxSelectionModel.
    1) Checkbox is not really <input> tag, only css class
    2) Selection of some rows is insufficent for good validation (requires serverside post validation)
    3) Better and clean solution is use "renderer"
    NB: I've read API docs and I can't find explanation of parameters "renderer" function (look code below) but all coments in this post was helpfully to solve problem.

    Screenshot



    Code:
    Ext.onReady(function(){
    
        var myData = [
            [ 'Albert Einstein', '05411799999', '333333333'],
            [ 'Albertino Einstein', '', '333334444'],
            [ 'Alberta Einstein', '05411799997', '']
        ];
    
        Ext.QuickTips.init();
    
        var fm = Ext.form;
    
        var sm = new Ext.grid.CheckboxSelectionModel({
            renderer: function(v, p, record)
            {
                return (record.data.cell!='')  ? '<div class="x-grid3-row-checker">&nbsp;</div>' : '';
            }
        });
        
        var cm = new Ext.grid.ColumnModel([
            { id:'fullname', header: "Full Name", dataIndex: 'fullname', width: 220 },
            { header: "Telephone", dataIndex: 'tel', width: 120 },
            { header: "Mobile", dataIndex: 'cell', width: 120 },
            sm
        ]);
    
        var store = new Ext.data.SimpleStore({
            fields: [
               {name: 'fullname'},
               {name: 'tel'},
               {name: 'cell'}
            ]
        });
        
        var grid = new Ext.grid.EditorGridPanel({
            store: store,
            cm: cm,
            renderTo: 'editor-grid',
            width:600,
            height:300,
            title:'Genius Family',
            frame:true,
            sm: sm
        });
        store.loadData(myData);
    });
    Alberto.

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    Explanation is here:
    http://extjs.com/deploy/dev/docs/?cl...ember=renderer

    You need to follow the link provided at the end

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    i miss this how to gateway.

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