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share/examples/ux/RowLayout.js  view on Meta::CPAN

 * layout may not render as expected.  Example usage:</p>
 * <pre><code>
// All rows are percentages -- they must add up to 1
var p = new Ext.Panel({
    title: 'Row Layout - Percentage Only',
    layout:'ux.row',
    items: [{
        title: 'Row 1',
        rowHeight: .25
    },{
        title: 'Row 2',
        rowHeight: .6
    },{
        title: 'Row 3',
        rowHeight: .15
    }]
});

// Mix of height and rowHeight -- all rowHeight values must add
// up to 1. The first row will take up exactly 120px, and the last two
// rows will fill the remaining container height.
var p = new Ext.Panel({
    title: 'Row Layout - Mixed',
    layout:'ux.row',
    items: [{
        title: 'Row 1',
        height: 120,
        // standard panel widths are still supported too:
        width: '50%' // or 200
    },{
        title: 'Row 2',
        rowHeight: .8,
        width: 300
    },{
        title: 'Row 3',
        rowHeight: .2
    }]
});
</code></pre>
 */
Ext.ux.layout.RowLayout = Ext.extend(Ext.layout.ContainerLayout, {
    // private
    monitorResize:true,

    type: 'row',

    // private
    allowContainerRemove: false,

    // private
    isValidParent : function(c, target){
        return this.innerCt && c.getPositionEl().dom.parentNode == this.innerCt.dom;
    },

    getLayoutTargetSize : function() {
        var target = this.container.getLayoutTarget(), ret;
        if (target) {
            ret = target.getViewSize();

            // IE in strict mode will return a height of 0 on the 1st pass of getViewSize.
            // Use getStyleSize to verify the 0 height, the adjustment pass will then work properly
            // with getViewSize
            if (Ext.isIE && Ext.isStrict && ret.height == 0){
                ret =  target.getStyleSize();
            }

            ret.width -= target.getPadding('lr');
            ret.height -= target.getPadding('tb');
        }
        return ret;
    },

    renderAll : function(ct, target) {
        if(!this.innerCt){
            // the innerCt prevents wrapping and shuffling while
            // the container is resizing
            this.innerCt = target.createChild({cls:'x-column-inner'});
            this.innerCt.createChild({cls:'x-clear'});
        }
        Ext.layout.ColumnLayout.superclass.renderAll.call(this, ct, this.innerCt);
    },

    // private
    onLayout : function(ct, target){
        var rs = ct.items.items,
            len = rs.length,
            r,
            m,
            i,
            margins = [];

        this.renderAll(ct, target);

        var size = this.getLayoutTargetSize();

        if(size.width < 1 && size.height < 1){ // display none?
            return;
        }

        var h = size.height,
            ph = h;

        this.innerCt.setSize({height:h});

        // some rows can be percentages while others are fixed
        // so we need to make 2 passes

        for(i = 0; i < len; i++){
            r = rs[i];
            m = r.getPositionEl().getMargins('tb');
            margins[i] = m;
            if(!r.rowHeight){
                ph -= (r.getHeight() + m);
            }
        }

        ph = ph < 0 ? 0 : ph;

        for(i = 0; i < len; i++){
            r = rs[i];
            m = margins[i];