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share/src/widgets/layout/BoxLayout.js  view on Meta::CPAN

     * @param {Ext.Element} target The target element
     */
    handleTargetOverflow: function(previousTargetSize, container, target) {
        var overflow = target.getStyle('overflow');

        if (overflow && overflow != 'hidden' &&!this.adjustmentPass) {
            var newTargetSize = this.getLayoutTargetSize();
            if (newTargetSize.width != previousTargetSize.width || newTargetSize.height != previousTargetSize.height){
                this.adjustmentPass = true;
                this.onLayout(container, target);
            }
        }

        delete this.adjustmentPass;
    },

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

    /**
     * @private
     * Returns all items that are both rendered and visible
     * @return {Array} All matching items
     */
    getVisibleItems: function(ct) {
        var ct  = ct || this.container,
            t   = ct.getLayoutTarget(),
            cti = ct.items.items,
            len = cti.length,

            i, c, items = [];

        for (i = 0; i < len; i++) {
            if((c = cti[i]).rendered && this.isValidParent(c, t) && c.hidden !== true  && c.collapsed !== true && c.shouldLayout !== false){
                items.push(c);
            }
        }

        return items;
    },

    // private
    renderAll : function(ct, target) {
        if (!this.innerCt) {
            // the innerCt prevents wrapping and shuffling while the container is resizing
            this.innerCt = target.createChild({cls:this.innerCls});
            this.padding = this.parseMargins(this.padding);
        }
        Ext.layout.BoxLayout.superclass.renderAll.call(this, ct, this.innerCt);
    },

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

            // IE in strict mode will return a width of 0 on the 1st pass of getViewSize.
            // Use getStyleSize to verify the 0 width, the adjustment pass will then work properly
            // with getViewSize
            if (Ext.isIE9m && Ext.isStrict && ret.width == 0){
                ret =  target.getStyleSize();
            }

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

    // private
    renderItem : function(c) {
        if(Ext.isString(c.margins)){
            c.margins = this.parseMargins(c.margins);
        }else if(!c.margins){
            c.margins = this.defaultMargins;
        }
        Ext.layout.BoxLayout.superclass.renderItem.apply(this, arguments);
    },
    
    /**
     * @private
     */
    destroy: function() {
        Ext.destroy(this.overflowHandler);
        
        Ext.layout.BoxLayout.superclass.destroy.apply(this, arguments);
    }
});

/**
 * @class Ext.layout.boxOverflow.None
 * @extends Object
 * Base class for Box Layout overflow handlers. These specialized classes are invoked when a Box Layout
 * (either an HBox or a VBox) has child items that are either too wide (for HBox) or too tall (for VBox)
 * for its container.
 */

Ext.layout.boxOverflow.None = Ext.extend(Object, {
    constructor: function(layout, config) {
        this.layout = layout;
        
        Ext.apply(this, config || {});
    },
    
    handleOverflow: Ext.emptyFn,
    
    clearOverflow: Ext.emptyFn
});


Ext.layout.boxOverflow.none = Ext.layout.boxOverflow.None;