src/org/un/cava/birdeye/ravis/components/ui/controls/vgraphControls/DegreesOfSeparation.mxml
<?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.
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-->
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Label
toolTip="Use this control to specify visible link distance"
text="Degrees of Separation"
fontSize="9"
textAlign="center"
/>
<mx:HSlider
tickInterval="1"
width="95%"
id="degreesOfSep"
value="2"
minimum="1"
maximum="10"
liveDragging="true"
snapInterval="1"
change="updateMaxVisDist()"
/>
<mx:Script>
<![CDATA[
import org.un.cava.birdeye.ravis.utils.LogUtil;
import org.un.cava.birdeye.ravis.utils.events.VGraphEvent;
import org.un.cava.birdeye.ravis.graphLayout.visual.VisualGraph;
private static const _LOG:String = "components.ui.controls.vgraphControls.DegreesOfSeparation";
private var _vgraph:VisualGraph;
/**
* Provides access to the registered vgraph object.
* */
public function set vgraph(v:VisualGraph):void {
_vgraph = v;
registerListeners();
}
/**
* @private
* */
public function get vgraph():VisualGraph {
return _vgraph;
}
/**
* updates the visible degree of separation (i.e.
* nodes visible from the root node).
* */
public function updateMaxVisDist():void {
if(degreesOfSep == null) {
return;
}
if(_vgraph == null) {
LogUtil.warn(_LOG, "DegreeOfSeparation NOT changed, no valid vgraph!");
return;
}
_vgraph.maxVisibleDistance = degreesOfSep.value;
_vgraph.draw();
}
/**
* refreshes the component slider from the value
* from VisualGraph object.
* */
public function refreshMaxVisDist(e:VGraphEvent = null):void {
if(degreesOfSep == null) {
return;
}
if(_vgraph == null) {
LogUtil.warn(_LOG, "DegreeOfSeparation NOT refreshed, no valid vgraph!");
return;
}
degreesOfSep.value = _vgraph.maxVisibleDistance;
}
/**
* register listeners
* */
private function registerListeners():void {
_vgraph.addEventListener(VGraphEvent.VGRAPH_CHANGED,refreshMaxVisDist);
}
]]>
</mx:Script>
</mx:VBox>