net/systemeD/potlatch2/RelationSelectPanel.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:TitleWindow
   3     xmlns:fx="http://ns.adobe.com/mxml/2009"
   4     xmlns:mx="library://ns.adobe.com/flex/mx"
   5     xmlns:potlatch2="net.systemeD.potlatch2.*"
   6     title="Select Relation" width="350" height="400"
   7     showCloseButton="true" close="PopUpManager.removePopUp(this);">
   8
   9     <fx:Script><![CDATA[
  10         import net.systemeD.halcyon.*;
  11         import net.systemeD.halcyon.connection.*;
  12         import net.systemeD.potlatch2.*;
  13         import mx.managers.PopUpManager;
  14         import mx.core.Application;
  15         import mx.core.FlexGlobals;
  16
  17         private var conn:Connection;
  18         private var relationList:Array;
  19         private var entity:Entity;
  20                 private var defaulttags:Object;
  21
  22         /** Initialise panel used to add and remove relations from an entity.
  23         *   @param e Entity that is being edited.
  24         *   @param t Object containing tag match patterns as properties, for the kind of relation sought.
  25         */
  26         public function init(e:Entity, t:Object):void {
  27           entity = e;
  28           conn = e.connection;
  29           defaulttags = {};
  30           for (var k:String in t) {
  31             //tagmatches[k]=t[k];// deep copy match pattern tags
  32             defaulttags[k]=t[k][0];  // route=[hiking,foot] -> route=hiking
  33           }
  34           PopUpManager.addPopUp(this, Application(FlexGlobals.topLevelApplication), true);
  35           PopUpManager.centerPopUp(this);
  36
  37           var titles:Array = [];
  38           relationList = conn.getMatchingRelationIDs(t);
  39           if (relationList.length == 0) {
  40             warning.text = "No relations available";
  41           } else {
  42             warning.text = "These relations are available:";
  43           }
  44           //relationSelector.dataProvider = relationList;
  45           for each (var id:Number in relationList) {
  46             var relation:Relation = conn.getRelation(id);
  47             titles.push({label:id + ": " + relation.getDescription(), relId:id});
  48           }
  49           relationSelector.dataProvider = titles;
  50         }
  51
  52         public function updateEntityAndClose():void {
  53                         var undo:CompositeUndoableAction = new CompositeUndoableAction("Add to relation");
  54                         for each (var relObject:Object in relationSelector.selectedItems) {
  55                                 var relation:Relation = conn.getRelation(relObject.relId);
  56                                 if (entity is EntityCollection) {
  57                                         for each (var e:Entity in EntityCollection(entity).entities) {
  58                                                 if (relation.findEntityMemberIndex(e)==-1) {
  59                                                         relation.appendMember(new RelationMember(e, ''), undo.push);
  60                                                 }
  61                                         }
  62                                 } else {
  63                                         relation.appendMember(new RelationMember(entity, ''), undo.push);
  64                                 }
  65                         }
  66                         MainUndoStack.getGlobalStack().addAction(undo);
  67                         PopUpManager.removePopUp(this);
  68         }
  69
  70         public function closeAndNewRelation():void {
  71                         var members:Array=[];
  72                         if (entity is EntityCollection) {
  73                                 for each (var e:Entity in EntityCollection(entity).entities) {
  74                                         members.push(new RelationMember(e, ''));
  75                                 }
  76                         } else members.push(new RelationMember(entity, ''));
  77                         var relation:Relation = conn.createRelation(defaulttags, members, MainUndoStack.getGlobalStack().addAction);
  78
  79                         PopUpManager.removePopUp(this);
  80                         var panel:RelationEditorPanel = RelationEditorPanel(
  81                             PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
  82                         panel.setRelation(relation);
  83                         PopUpManager.centerPopUp(panel);
  84         }
  85
  86                 public function closeAndLoadRelation():void {
  87                         PopUpManager.removePopUp(this);
  88                         var panel:RelationLoaderPanel = RelationLoaderPanel(
  89                             PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationLoaderPanel, true));
  90                         panel.setEntity(entity);
  91                         PopUpManager.centerPopUp(panel);
  92                 }
  93
  94     ]]></fx:Script>
  95     <mx:Text id="warning" text="" />
  96     <mx:List width="100%" height="100%" id="relationSelector" verticalScrollPolicy="on" allowMultipleSelection="true" >
  97     </mx:List>
  98     <mx:ControlBar>
  99       <mx:Button label="New Relation..." click="closeAndNewRelation();" styleName="titleWindowButton" />
 100       <mx:Button label="Load Relation..." click="closeAndLoadRelation();" styleName="titleWindowButton" />
 101       <mx:Spacer width="100%"/>
 102       <mx:Button label="Select" click="updateEntityAndClose();" enabled="{relationSelector.selectedItems.length>0}" styleName="titleWindowButton" />
 103     </mx:ControlBar>
 104 </mx:TitleWindow>