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Home/ Questions/Q 7529381
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Editorial Team
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Editorial Team
Asked: May 30, 20262026-05-30T04:38:50+00:00 2026-05-30T04:38:50+00:00

does any body know how to show the horizontal scroller on tree panel… since

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does any body know how to show the horizontal scroller on tree panel…

since it describe here, the bugs will be fix in 4.1.x version,…
cause i’m not satisfied, i try to googling to find the hot fix,.
and i got this, Mr. Edspencer suggest to using ext 4.0.6….
but, it still not working,. (tested version 4.0.7)

anybody know how to fix this???

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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-30T04:38:52+00:00Added an answer on May 30, 2026 at 4:38 am

    I have some workaround. See code below.

    afterrender: function() {
        var view = this.getView();
        var c = view.container;
        var e = view.el;
    
        var max = 0;
        Ext.each(e.query('.x-grid-cell-inner'), function(el) {
            el = Ext.get(el);
            var size = el.getPadding('lr');
            Ext.each(el.dom.childNodes, function(el2){
                if (el2.nodeType == 3) {
                    size += 6 + el.getTextWidth(el2.nodeValue);
                } else {
                    size += Ext.get(el2).getWidth();
                }
            });
            max = Math.max(max, size);
        });
        max += c.getPadding('lr');
    
        if (c.getWidth() < max) {
            c.dom.style.overflowX = 'scroll';
            e.setWidth(max);
            e.down('table').setWidth(max);
        }
    }
    

    You only need to add this listener to your TreePanel. Basically it finds width of wider element and extend width of table, switch overflow on container.

    Working sample: http://jsfiddle.net/Uf7yy/2/

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