hackedteam/rcs-console

/*
 * The MIT License
 *
 * Copyright (c) 2008
 * United Nations Office at Geneva
 * Center for Advanced Visual Analytics
 * http://cava.unog.ch
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.un.cava.birdeye.ravis.components.renderers.edgeLabels {
    
    // Flash classes
    import flash.events.Event;
    import flash.events.MouseEvent;
    
    import mx.binding.utils.BindingUtils;
    import mx.controls.Image;
    import mx.controls.LinkButton;
    import mx.core.UIComponent;
    
    import org.un.cava.birdeye.ravis.components.renderers.RendererIconFactory;
    import org.un.cava.birdeye.ravis.components.renderers.nodes.BaseNodeRenderer;
    
    /**
     * This renderer displays the graph nodes as
     * primitive icon or as embedded image or URL
     * depending on the XML specification
     * */
    public class DefaultEdgeLabelRenderer extends BaseNodeRenderer {
    
        /**
         * Base Constructor
         * */
        public function DefaultEdgeLabelRenderer() {
            super();
            //this.addEventListener(FlexEvent.CREATION_COMPLETE,initComponent);
        }
        
        /**
         * Full initialisation of the renderer component, triggered
         * after reception of the creation complete event.
         * @param e the creation complete event (unused).
         * */
        override protected function initComponent(e:Event):void {
            
            var img:UIComponent;
            
            /* initialize the upper part of the renderer */
            initTopPart();
            
            /* set the tool tip */
            this.toolTip = this.data.data.@edgeLabel;
            
            /* add the image */
            img = initIcon();
             
            /* now the link button */
            initLinkButton();
        }
        
        /**
         * @inheritDoc
         * */
        override protected function initLinkButton():LinkButton {
            
            /* initialise the original link button */
            super.initLinkButton();
            
            /* now override some specs */
            lb.label = this.data.data.@edgeLabel;
            lb.width = 65;
            lb.height = 15;
            lb.visible = false;

            lb.toolTip = this.data.data.@edgeDescription;
            
            return lb;
        }
        
        
        /**
         * initialise the icon of this renderer 
         * */
        private function initIcon():UIComponent {
            
            
            var img:UIComponent;
            /* AGAIN ALL XML VALUES SHOULD BE VERIFIED */
            
            /* this renderer does more sophisticated stuff, e.g.
             * a primitive should be smaller than an icon (10 instead of 25)
             */
            img = RendererIconFactory.createIcon(this.data.data.@edgeClass,25);
            
            /* primitive nodes are currently no Images, so we can use
             * this to test for them, not ideal, but will do for now
             * primtives have smaller size
             */
            if(!(img is Image)) {
                img.width = 10;
                img.height = 10;
            }
            
            
            //img.setStyle("backgroundColor", "0x8b008b");
            img.setStyle("backgroundColor", "0xcccccc");
            
            img.toolTip = this.data.data.@edgeLabel;
        
            //BindingUtils.bindProperty(img,"scaleX",this.parent,"scaleX");
            //BindingUtils.bindProperty(img,"scaleY",this.parent,"scaleY");
        
            //img.scaleX = GlobalParams.scaleFactor;
            //img.scaleY = GlobalParams.scaleFactor;
            //XXXX
            img.addEventListener(MouseEvent.CLICK, toggleLabel);
            this.addChild(img);
            return img;
        }
        
        
        /**
         * toggle the visibility of the label button
         * */
        private function toggleLabel(e:Event):void {
            lb.visible = !lb.visible;
        }
    }
}