1. #1
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    Default Answered: Hiding of all hideable columns not allowed?

    Answered: Hiding of all hideable columns not allowed?


    I noticed that a user cannot hide all columns in a gridpanel. It seems that the grid must at least display one column. I can imagine this is a nice feature, but it doesn't work quite as I expected when dealing with both hideable and non-hideable columns. It seems that the rule is that at least one hideable column is required to display, even if there is a non-hideable column in the grid.

    It doesn't make sense to me to not allow hiding of all hideable columns when at least one non-hideable column is displayed. Is this behaviour configurable?

    I created a demo based on the Stateful Array Grid Example showing the problem:
    http://jsfiddle.net/p9zqK/

  2. A simple hack is to allow all columns to be hidden unconditionally (in my application I don't bother about checking whether hideable columns exist, because I know they do...)


    Code:
    Ext.override(Ext.grid.header.Container,
    {
        updateMenuDisabledState: function()
        {
            var me = this,
            result = me.getLeafMenuItems(),
            total = result.checkedCount,
            items = result.items,
            len = items.length,
            i = 0,
            rootItem = me.getMenu().child('#columnItem');
    
    
            //if (total <= 1)
            if (total <= 0) /* Allow all columns to be hidden unconditionally */
            {
                me.disableMenuItems(rootItem, Ext.ComponentQuery.query('[checked=true]', items)[0]);
            }
            else
            {
                for (; i < len; ++i)
                {
                    me.setMenuItemState(total, rootItem, items[i]);
                }
            }
        }
    });

  3. #2
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    Default Fixed

    Fixed


    A simple hack is to allow all columns to be hidden unconditionally (in my application I don't bother about checking whether hideable columns exist, because I know they do...)


    Code:
    Ext.override(Ext.grid.header.Container,
    {
        updateMenuDisabledState: function()
        {
            var me = this,
            result = me.getLeafMenuItems(),
            total = result.checkedCount,
            items = result.items,
            len = items.length,
            i = 0,
            rootItem = me.getMenu().child('#columnItem');
    
    
            //if (total <= 1)
            if (total <= 0) /* Allow all columns to be hidden unconditionally */
            {
                me.disableMenuItems(rootItem, Ext.ComponentQuery.query('[checked=true]', items)[0]);
            }
            else
            {
                for (; i < len; ++i)
                {
                    me.setMenuItemState(total, rootItem, items[i]);
                }
            }
        }
    });

  4. #3
    Sencha - Ext JS Dev Team Animal's Avatar
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    Animal has a spectacular aura about Animal has a spectacular aura about

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    Default


    This is fixed in 4.2

    Possibly the fix was in 4.1.3, but it definitely works with latest code.

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