net/systemeD/potlatch2/RelationSelectPanel.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:TitleWindow
   3     xmlns:mx="http://www.adobe.com/2006/mxml"
   4     xmlns:potlatch2="net.systemeD.potlatch2.*"
   5     title="Select Relation" width="350" height="400"
   6     showCloseButton="true" close="PopUpManager.removePopUp(this);">
   7
   8     <mx:Script><![CDATA[
   9         import net.systemeD.halcyon.*;
  10         import net.systemeD.halcyon.connection.*;
  11         import net.systemeD.potlatch2.*;
  12         import mx.managers.PopUpManager;
  13         import mx.core.Application;
  14         import mx.core.FlexGlobals;
  15
  16         private var conn:Connection;
  17         private var relationList:Array;
  18         private var entity:Entity;
  19                 private var defaulttags:Object;
  20
  21         /** Initialise panel used to add and remove relations from an entity.
  22         *   @param e Entity that is being edited.
  23         *   @param t Object containing tag match patterns as properties, for the kind of relation sought.
  24         */
  25         public function init(e:Entity, t:Object):void {
  26           entity = e;
  27           conn = e.connection;
  28           defaulttags = {};
  29           for (var k:String in t) {
  30             //tagmatches[k]=t[k];// deep copy match pattern tags
  31             defaulttags[k]=t[k][0];  // route=[hiking,foot] -> route=hiking
  32           }
  33           PopUpManager.addPopUp(this, Application(FlexGlobals.topLevelApplication), true);
  34           PopUpManager.centerPopUp(this);
  35
  36           var titles:Array = [];
  37           relationList = conn.getMatchingRelationIDs(t);
  38           if (relationList.length == 0) {
  39             warning.text = "No relations available";
  40           } else {
  41             warning.text = "These relations are available:";
  42           }
  43           //relationSelector.dataProvider = relationList;
  44           for each (var id:Number in relationList) {
  45             var relation:Relation = conn.getRelation(id);
  46             titles.push({label:id + ": " + relation.getDescription(), relId:id});
  47           }
  48           relationSelector.dataProvider = titles;
  49         }
  50
  51         public function updateEntityAndClose():void {
  52                         var undo:CompositeUndoableAction = new CompositeUndoableAction("Add to relation");
  53                         for each (var relObject:Object in relationSelector.selectedItems) {
  54                                 var relation:Relation = conn.getRelation(relObject.relId);
  55                                 if (entity is EntityCollection) {
  56                                         for each (var e:Entity in EntityCollection(entity).entities) {
  57                                                 if (relation.findEntityMemberIndex(e)==-1) {
  58                                                         relation.appendMember(new RelationMember(e, ''), undo.push);
  59                                                 }
  60                                         }
  61                                 } else {
  62                                         relation.appendMember(new RelationMember(entity, ''), undo.push);
  63                                 }
  64                         }
  65                         MainUndoStack.getGlobalStack().addAction(undo);
  66                         PopUpManager.removePopUp(this);
  67         }
  68
  69         public function closeAndNewRelation():void {
  70                         var members:Array=[];
  71                         if (entity is EntityCollection) {
  72                                 for each (var e:Entity in EntityCollection(entity).entities) {
  73                                         members.push(new RelationMember(e, ''));
  74                                 }
  75                         } else members.push(new RelationMember(entity, ''));
  76                         var relation:Relation = conn.createRelation(defaulttags, members, MainUndoStack.getGlobalStack().addAction);
  77
  78                         PopUpManager.removePopUp(this);
  79                         var panel:RelationEditorPanel = RelationEditorPanel(
  80                             PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
  81                         panel.setRelation(relation);
  82                         PopUpManager.centerPopUp(panel);
  83         }
  84
  85                 public function closeAndLoadRelation():void {
  86                         PopUpManager.removePopUp(this);
  87                         var panel:RelationLoaderPanel = RelationLoaderPanel(
  88                             PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationLoaderPanel, true));
  89                         panel.setEntity(entity);
  90                         PopUpManager.centerPopUp(panel);
  91                 }
  92
  93     ]]></mx:Script>
  94     <mx:Text id="warning" text="" />
  95     <mx:List width="100%" height="100%" id="relationSelector" verticalScrollPolicy="on" allowMultipleSelection="true" >
  96     </mx:List>
  97     <mx:ControlBar>
  98       <mx:Button label="New Relation..." click="closeAndNewRelation();" styleName="titleWindowButton" />
  99       <mx:Button label="Load Relation..." click="closeAndLoadRelation();" styleName="titleWindowButton" />
 100       <mx:Spacer width="100%"/>
 101       <mx:Button label="Select" click="updateEntityAndClose();" enabled="{relationSelector.selectedItems.length>0}" styleName="titleWindowButton" />
 102     </mx:ControlBar>
 103 </mx:TitleWindow>