hackedteam/rcs-console

<?xml version="1.0" encoding="utf-8"?>
<!--
 *
 * 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.
 *
-->
<mx:VBox 
    xmlns:mx="http://www.adobe.com/2006/mxml"
    >
    
    <mx:Label
        id="lllabel"
        toolTip="Use this control to length of links. Used when AutoFit is disabled."
        text="Link Length"
        fontSize="9" 
        textAlign="center"
        />
        
    <mx:HBox width="95%">
        <mx:Button
            id="minusLinkLength"
            icon="{EmbeddedIcons.zoomoutIcon}"
            cornerRadius="5"
            width="25"
            height="25"
            click="lslider.value=lslider.value-25;updateLinkLength();"
            />        
        <mx:HSlider
            tickInterval="25"
            width="95%"
            id="lslider"
            value="100"
            minimum="0"
            maximum="600"
            liveDragging="true"
            change="updateLinkLength()"
            />
        <mx:Button
            id="plusLinkLength"
            icon="{EmbeddedIcons.zoominIcon}"
            cornerRadius="5"
            width="25"
            height="25"
            click="lslider.value=lslider.value+25;updateLinkLength();"
            />    
    </mx:HBox>
    
    
    
    <mx:Script>
        <![CDATA[
            import mx.utils.ObjectUtil;
            import org.un.cava.birdeye.ravis.utils.LogUtil;
            import org.un.cava.birdeye.ravis.graphLayout.visual.VisualGraph;
            import org.un.cava.birdeye.ravis.graphLayout.visual.IVisualGraph;
            import org.un.cava.birdeye.ravis.graphLayout.layout.ILayoutAlgorithm;
            import org.un.cava.birdeye.ravis.assets.icons.EmbeddedIcons;
            import org.un.cava.birdeye.ravis.utils.events.VGraphEvent;
            
          private static const _LOG:String = "components.ui.controls.layouterControls.LinkLength";
            /* critical */
            private var _vgraph:VisualGraph;

            /**
             * Provides access to the registered vgraph object.
             * */
            [Bindable]
            public function set vgraph(v:VisualGraph):void {
                _vgraph = v;
                registerListeners();
            }

            /**
             * @private
             * */
            public function get vgraph():VisualGraph {
                return _vgraph;
            }
            
            /**
             * When enabling or disabling this component, we also
             * perform some specific tasks.
             * Attention do completely disable interaction
             * there is also the mouseEnabled property.
             * 
             * @inheritDoc
             * */
            override public function set enabled(e:Boolean):void {
                if(lllabel != null && lslider != null) {
                    if(e == true) {
                        lllabel.setStyle("color",0x000000);
                        lslider.alpha=1;
                    } else {
                        lllabel.setStyle("color",0xCCCCCC);
                        lslider.alpha=0.3;
                    }
                }
                /* call superclass (VBox) */
                super.enabled = e;
            }
            
            /**
             * Event handler to be triggered in case the
             * layouter in VGraph has changed.
             * Only used to apply the current value to the new layouter.
             * */
            public function layouterChanged(e:VGraphEvent = null):void {
                
                /* check if we have a layouter at all */
                if(_vgraph == null || _vgraph.layouter == null) {
                    LogUtil.warn(_LOG, "Cannot apply LinkLength to missing vgraph or null layouter");
                    return;
                }
                
                /* this is a default control component, and valid
                 * for all layouters, thus we only need to apply
                 * the value to the new layouter. 
                 * We don't call updateLinkLength(), since this 
                 * triggers a draw(), which we do not want here
                 */ 
                _vgraph.layouter.linkLength = lslider.value;
                _vgraph.layouter.layoutChanged = true;
            }
                
            
            /** 
             * Update the linklength, this indicator always
              * goes from 0 to 100, depending on the layouter
              * this is translated to something meaningful.
              * */        
            public function updateLinkLength():void {
                
                /* check if we have a layouter at all */
                if(_vgraph == null || _vgraph.layouter == null) {
                    LogUtil.warn(_LOG, "Cannot update LinkLength on missing vgraph or null layouter");
                    return;
                }
                
                /* update the value */
                _vgraph.layouter.linkLength = lslider.value;
                _vgraph.layouter.layoutChanged = true;
                
                /* trigger redraw */
                _vgraph.draw();
            }
            
            /**
             * This refreshes the current slider setting to
             * the value from the current layouter.
             * */
            public function refreshSlider(e:VGraphEvent = null):void {
                
                /* check if we have a layouter at all */
                if(_vgraph == null || _vgraph.layouter == null) {
                    LogUtil.warn(_LOG, "Cannot refresh LinkLength from missing vgraph or null layouter");
                    return;
                }
                
                /* refresh the value */
                lslider.value = _vgraph.layouter.linkLength;
            }
            
            /**
             * Adds the listeners to update on changes in the VGraph
             * */
            private function registerListeners():void {
                _vgraph.addEventListener(VGraphEvent.VGRAPH_CHANGED,refreshSlider);
                _vgraph.addEventListener(VGraphEvent.LAYOUTER_CHANGED,layouterChanged);
            }
        ]]>
    </mx:Script>
</mx:VBox>