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share/pkgs/resizable-debug.js  view on Meta::CPAN

     */
    maxHeight : 10000,
    /**
     * @cfg {Number} maxWidth The maximum width for the element (defaults to 10000)
     */
    maxWidth : 10000,
    /**
     * @cfg {Number} minX The minimum x for the element (defaults to 0)
     */
    minX: 0,
    /**
     * @cfg {Number} minY The minimum x for the element (defaults to 0)
     */
    minY: 0,
    /**
     * @cfg {Boolean} pinned True to ensure that the resize handles are always visible, false to display them only when the
     * user mouses over the resizable borders. This is only applied at config time. (defaults to false)
     */
    pinned : false,
    /**
     * @cfg {Boolean} preserveRatio True to preserve the original ratio between height
     * and width during resize (defaults to false)
     */
    preserveRatio : false,
    /**
     * @cfg {Boolean/String/Element} resizeChild True to resize the first child, or id/element to resize (defaults to false)
     */
    resizeChild : false,
    /**
     * @cfg {Boolean} transparent True for transparent handles. This is only applied at config time. (defaults to false)
     */
    transparent: false,
    /**
     * @cfg {Ext.lib.Region} resizeRegion Constrain the resize to a particular region
     */
    /**
     * @cfg {Boolean} wrap True to wrap an element with a div if needed (required for textareas and images, defaults to false)
     * in favor of the handles config option (defaults to false)
     */
    /**
     * @cfg {String} handleCls A css class to add to each handle. Defaults to <tt>''</tt>.
     */


    /**
     * Perform a manual resize and fires the 'resize' event.
     * @param {Number} width
     * @param {Number} height
     */
    resizeTo : function(width, height){
        this.el.setSize(width, height);
        this.updateChildSize();
        this.fireEvent('resize', this, width, height, null);
    },

    // private
    startSizing : function(e, handle){
        this.fireEvent('beforeresize', this, e);
        if(this.enabled){ // 2nd enabled check in case disabled before beforeresize handler

            if(!this.overlay){
                this.overlay = this.el.createProxy({tag: 'div', cls: 'x-resizable-overlay', html: '&#160;'}, Ext.getBody());
                this.overlay.unselectable();
                this.overlay.enableDisplayMode('block');
                this.overlay.on({
                    scope: this,
                    mousemove: this.onMouseMove,
                    mouseup: this.onMouseUp
                });
            }
            this.overlay.setStyle('cursor', handle.el.getStyle('cursor'));

            this.resizing = true;
            this.startBox = this.el.getBox();
            this.startPoint = e.getXY();
            this.offsets = [(this.startBox.x + this.startBox.width) - this.startPoint[0],
                            (this.startBox.y + this.startBox.height) - this.startPoint[1]];

            this.overlay.setSize(Ext.lib.Dom.getViewWidth(true), Ext.lib.Dom.getViewHeight(true));
            this.overlay.show();

            if(this.constrainTo) {
                var ct = Ext.get(this.constrainTo);
                this.resizeRegion = ct.getRegion().adjust(
                    ct.getFrameWidth('t'),
                    ct.getFrameWidth('l'),
                    -ct.getFrameWidth('b'),
                    -ct.getFrameWidth('r')
                );
            }

            this.proxy.setStyle('visibility', 'hidden'); // workaround display none
            this.proxy.show();
            this.proxy.setBox(this.startBox);
            if(!this.dynamic){
                this.proxy.setStyle('visibility', 'visible');
            }
        }
    },

    // private
    onMouseDown : function(handle, e){
        if(this.enabled){
            e.stopEvent();
            this.activeHandle = handle;
            this.startSizing(e, handle);
        }
    },

    // private
    onMouseUp : function(e){
        this.activeHandle = null;
        var size = this.resizeElement();
        this.resizing = false;
        this.handleOut();
        this.overlay.hide();
        this.proxy.hide();
        this.fireEvent('resize', this, size.width, size.height, e);
    },

    // private
    updateChildSize : function(){
        if(this.resizeChild){
            var el = this.el;
            var child = this.resizeChild;
            var adj = this.adjustments;
            if(el.dom.offsetWidth){
                var b = el.getSize(true);
                child.setSize(b.width+adj[0], b.height+adj[1]);
            }
            // Second call here for IE
            // The first call enables instant resizing and
            // the second call corrects scroll bars if they
            // exist
            if(Ext.isIE9m){
                setTimeout(function(){
                    if(el.dom.offsetWidth){
                        var b = el.getSize(true);
                        child.setSize(b.width+adj[0], b.height+adj[1]);
                    }
                }, 10);
            }
        }
    },

    // private
    snap : function(value, inc, min){
        if(!inc || !value){
            return value;
        }
        var newValue = value;
        var m = value % inc;
        if(m > 0){
            if(m > (inc/2)){
                newValue = value + (inc-m);
            }else{
                newValue = value - m;
            }
        }
        return Math.max(min, newValue);
    },

    /**
     * <p>Performs resizing of the associated Element. This method is called internally by this
     * class, and should not be called by user code.</p>
     * <p>If a Resizable is being used to resize an Element which encapsulates a more complex UI
     * component such as a Panel, this method may be overridden by specifying an implementation
     * as a config option to provide appropriate behaviour at the end of the resize operation on
     * mouseup, for example resizing the Panel, and relaying the Panel's content.</p>
     * <p>The new area to be resized to is available by examining the state of the {@link #proxy}
     * Element. Example:
<pre><code>
new Ext.Panel({
    title: 'Resize me',
    x: 100,
    y: 100,

share/pkgs/resizable-debug.js  view on Meta::CPAN

                        tw = w;
                        w = ow * (h/oh);
                        x += tw - w;
                       break;
                    case 'northwest':
                        tw = w;
                        th = h;
                        h = oh * (w/ow);
                        h = Math.min(Math.max(mh, h), mxh);
                        w = ow * (h/oh);
                        y += th - h;
                        x += tw - w;
                        break;

                }
            }
            this.proxy.setBounds(x, y, w, h);
            if(this.dynamic){
                this.resizeElement();
            }
            }catch(ex){}
        }
    },

    // private
    handleOver : function(){
        if(this.enabled){
            this.el.addClass('x-resizable-over');
        }
    },

    // private
    handleOut : function(){
        if(!this.resizing){
            this.el.removeClass('x-resizable-over');
        }
    },

    /**
     * Returns the element this component is bound to.
     * @return {Ext.Element}
     */
    getEl : function(){
        return this.el;
    },

    /**
     * Returns the resizeChild element (or null).
     * @return {Ext.Element}
     */
    getResizeChild : function(){
        return this.resizeChild;
    },

    /**
     * Destroys this resizable. If the element was wrapped and
     * removeEl is not true then the element remains.
     * @param {Boolean} removeEl (optional) true to remove the element from the DOM
     */
    destroy : function(removeEl){
        Ext.destroy(this.dd, this.overlay, this.proxy);
        this.overlay = null;
        this.proxy = null;

        var ps = Ext.Resizable.positions;
        for(var k in ps){
            if(typeof ps[k] != 'function' && this[ps[k]]){
                this[ps[k]].destroy();
            }
        }
        if(removeEl){
            this.el.update('');
            Ext.destroy(this.el);
            this.el = null;
        }
        this.purgeListeners();
    },

    syncHandleHeight : function(){
        var h = this.el.getHeight(true);
        if(this.west){
            this.west.el.setHeight(h);
        }
        if(this.east){
            this.east.el.setHeight(h);
        }
    }
});

// private
// hash to map config positions to true positions
Ext.Resizable.positions = {
    n: 'north', s: 'south', e: 'east', w: 'west', se: 'southeast', sw: 'southwest', nw: 'northwest', ne: 'northeast'
};

Ext.Resizable.Handle = Ext.extend(Object, {
    constructor : function(rz, pos, disableTrackOver, transparent, cls){
       if(!this.tpl){
            // only initialize the template if resizable is used
            var tpl = Ext.DomHelper.createTemplate(
                {tag: 'div', cls: 'x-resizable-handle x-resizable-handle-{0}'}
            );
            tpl.compile();
            Ext.Resizable.Handle.prototype.tpl = tpl;
        }
        this.position = pos;
        this.rz = rz;
        this.el = this.tpl.append(rz.el.dom, [this.position], true);
        this.el.unselectable();
        if(transparent){
            this.el.setOpacity(0);
        }
        if(!Ext.isEmpty(cls)){
            this.el.addClass(cls);
        }
        this.el.on('mousedown', this.onMouseDown, this);
        if(!disableTrackOver){
            this.el.on({
                scope: this,
                mouseover: this.onMouseOver,
                mouseout: this.onMouseOut
            });