net/systemeD/potlatch2/TagViewer.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:VBox
   3         xmlns:mx="http://www.adobe.com/2006/mxml"
   4         xmlns:flexlib="flexlib.containers.*"
   5         xmlns:controls="net.systemeD.controls.*"
   6         xmlns:potlatch2="net.systemeD.potlatch2.*"
   7         horizontalScrollPolicy="off"
   8     backgroundColor="white"
   9     initialize="loadFeatures()">
  10
  11 <mx:ViewStack id="sidebar" width="100%" height="100%" creationPolicy="all">
  12   <mx:VBox id="dndPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
  13     <mx:Text id="dndPanelText" text="{dndPrompt}" width="100%" styleName="helpInfo" />
  14         <mx:Repeater id="dndRep" dataProvider="{MapFeatures.getInstance().getCategoriesForType('point')}">
  15                 <mx:HBox width="100%"><mx:Label text="{dndRep.currentItem.name}:" styleName="dndPanelCategoryLabel"/></mx:HBox>
  16
  17                 <mx:TileList dataProvider="{dndRep.currentItem.getFeaturesForType('point')}" width="100%" height="1"
  18                                      rowHeight="32" columnWidth="32" updateComplete="resizePOIGrid(event)" styleName="dndPanelTileList">
  19                         <mx:itemRenderer>
  20                                 <mx:Component>
  21                                         <mx:VBox toolTip="{data.name}">
  22                                                 <mx:Script><![CDATA[
  23                                                         import mx.events.DragEvent;
  24                                                         import mx.managers.DragManager;
  25                                                         import mx.core.DragSource;
  26
  27                                                         private function dragPOI(event:MouseEvent, tags:Array):void {
  28                                                                 // Get the drag initiator component from the event object.
  29                                                                 var dragInitiator:Image = event.currentTarget as Image;
  30                                                                 var dragSource:DragSource = new DragSource();
  31                                                                 dragSource.addData(tags, 'tags');
  32                                                                 dragSource.addData(event.target.parent.parent.parent.parent, 'container');
  33
  34                                                                 var dragProxy:Image = new Image();
  35                                                                 dragProxy.source = dragInitiator.source;
  36                                                                 dragProxy.width = dragInitiator.width;   // must set width and height explicitly
  37                                                                 dragProxy.height = dragInitiator.height; // for non-embedded images
  38                                                                 DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
  39                                                         }
  40                                                 ]]></mx:Script>
  41                                                 <mx:Image id="foo" source="{data.image}" height="24" width="24" mouseMove="dragPOI(event, data.tags)" toolTip="{data.name}" />
  42                                         </mx:VBox>
  43                                 </mx:Component>
  44                         </mx:itemRenderer>
  45                 </mx:TileList>
  46         </mx:Repeater>
  47   </mx:VBox>
  48
  49   <mx:VBox id="tagsPanel" width="100%" height="100%" creationPolicy="auto">
  50     <mx:ViewStack id="stack" width="100%" height="100%">
  51       <mx:VBox width="100%" height="100%" label="Simple" id="editorContainer" creationComplete="initEditorStackUIs()">
  52         <mx:HBox width="100%" id="iconContainer" styleName="featureSelector">
  53             <mx:Image id="iconImage"/>
  54             <mx:VBox width="100%" verticalGap="1">
  55               <mx:PopUpButton id="popupChange" creationComplete="initFeatureBox()" openAlways="true" width="100%"/>
  56               <mx:Text condenseWhite="true" width="100%" id="iconText"/>
  57             </mx:VBox>
  58             <mx:LinkButton label="?" click="openDescription()" id="helpLabel" styleName="helpInfo"/>
  59         </mx:HBox>
  60       </mx:VBox>
  61       <mx:VBox width="100%" height="100%" label="Advanced" id="advancedContainer" initialize="checkAdvanced()" verticalGap="1">
  62         <mx:Label id="advancedID" click="openEntityPage()">
  63           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  64         </mx:Label>
  65
  66                 <potlatch2:TagGrid id="advancedTagGrid" width="100%" height="75%" />
  67
  68         <mx:HBox horizontalAlign="right" width="100%">
  69           <mx:LinkButton label="Delete" click="advancedTagGrid.removeTag()" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  70           <mx:LinkButton label="Add" click="advancedTagGrid.addNewTag()"/>
  71         </mx:HBox>
  72
  73         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  74             doubleClickEnabled="true"
  75             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)"
  76             doubleClick="if (event.target.parent==relationsGrid) { addToRelation(); }">
  77             <mx:columns>
  78                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
  79                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  80                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
  81             </mx:columns>
  82         </mx:DataGrid>
  83
  84         <mx:HBox horizontalAlign="right" width="100%">
  85           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
  86                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
  87           <mx:LinkButton label="Add to" click="addToRelation()"/>
  88         </mx:HBox>
  89
  90       </mx:VBox>
  91
  92       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
  93         <mx:Label id="membersText" text="Relation Members"/>
  94         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
  95                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
  96           <mx:columns>
  97             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
  98             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
  99             <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
 100           </mx:columns>
 101         </mx:DataGrid>
 102       </mx:VBox>
 103
 104       </mx:ViewStack>
 105
 106           <mx:HBox width="100%">
 107                 <mx:LinkBar dataProvider="{stack}"/>
 108                 <mx:Spacer width="100%"/>
 109                 <mx:LinkButton
 110                         icon="@Embed('../../../embedded/view_tabbed.png')"
 111                         disabledIcon="@Embed('../../../embedded/view_tabbed_disabled.png')"
 112                         click="setEditorStackUI(true)" id="tabNavigatorLabel" paddingTop="6"
 113                         toolTip="Show in tabs"
 114                         enabled="{editorStack is Accordion &amp;&amp; stack.selectedIndex==0}" />
 115                 <mx:LinkButton
 116                         icon="@Embed('../../../embedded/view_accordion.png')"
 117                         disabledIcon="@Embed('../../../embedded/view_accordion_disabled.png')"
 118                         click="setEditorStackUI(false)" id="accordionLabel" paddingTop="6"
 119                         toolTip="Show in sliding windows"
 120                         enabled="{editorStack is SuperTabNavigator &amp;&amp; stack.selectedIndex==0}" />
 121           </mx:HBox>
 122   </mx:VBox>
 123
 124   <mx:VBox id="multiplePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 125     <mx:Text id="multiplePanelText" text="You have selected multiple items." width="100%" styleName="helpInfo" />
 126   </mx:VBox>
 127
 128   <mx:VBox id="markerPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 129     <potlatch2:MarkerPanel id="markerPanelContents" width="100%"/>
 130   </mx:VBox>
 131
 132 </mx:ViewStack>
 133
 134   <mx:Script><![CDATA[
 135       import net.systemeD.halcyon.connection.*;
 136       import net.systemeD.potlatch2.mapfeatures.*;
 137
 138       import mx.collections.*;
 139       import mx.containers.*;
 140       import mx.events.*;
 141       import mx.core.*;
 142       import mx.managers.PopUpManager;
 143       import flash.geom.Point;
 144       import flash.net.*;
 145       import mx.events.DragEvent;
 146       import mx.managers.DragManager;
 147       import mx.core.DragSource;
 148       import flexlib.containers.SuperTabNavigator;
 149
 150       private static const dndPrompt:String="Add new points by dragging them onto the map";
 151
 152       private var editorStackTabNavigator:SuperTabNavigator;
 153       private var editorStackAccordion:Accordion;
 154       [Bindable] private var editorStack:Container;
 155
 156       public var mapFeatures:MapFeatures;
 157       private var selectedEntity:Entity;
 158       private var tw:CategorySelector = null;
 159       private var feature:Feature = null;
 160
 161           public function setEntity(entities:Array):void {
 162                 UIComponent.suspendBackgroundProcessing();
 163
 164                 var firstSelected:Entity=null;
 165                 if (entities.length==1) { firstSelected=entities[0]; }
 166
 167                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 168                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 169                 }
 170
 171                 if (entities.length==0) {
 172                         // Nothing selected, so show drag-and-drop panel
 173                         sidebar.selectedChild = dndPanel;
 174
 175                 } else if (entities.length==1) {
 176                         // Single entity selected, so show tag panel
 177                         selectedEntity=firstSelected;
 178                         if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
 179                         if (advancedID!=null) { setupAdvanced(firstSelected); }
 180                         if (firstSelected is Relation) { stack.addChild(membersVBox); }
 181             if (selectedEntity is Marker) {
 182               markerPanelContents.init(selectedEntity);
 183               sidebar.selectedChild = markerPanel;
 184             } else {
 185               refreshFeatureIcon();
 186               initialiseEditors();
 187               sidebar.selectedChild = tagsPanel;
 188             }
 189
 190                 } else {
 191                         // Multiple selection, so for now show a largely blank panel/
 192                         // ** TODO - proper multiple selection tagging
 193                         sidebar.selectedChild = multiplePanel;
 194                 }
 195                 UIComponent.resumeBackgroundProcessing();
 196       }
 197
 198       private function refreshFeatureIcon():void {
 199           var oldFeature:Feature = feature;
 200           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 201           if ( feature != oldFeature ) {
 202               if ( oldFeature != null )
 203                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 204               if ( feature != null )
 205                   feature.addEventListener("imageChanged", featureImageChanged);
 206           }
 207
 208           if ( feature != null && feature.name != null ) {
 209               setFeatureIcon(selectedEntity, feature);
 210           } else {
 211               blankFeatureIcon(selectedEntity);
 212           }
 213       }
 214
 215       private function featureImageChanged(event:Event):void {
 216           setFeatureIcon(selectedEntity, feature);
 217       }
 218
 219       private function setFeatureIcon(entity:Entity, feature:Feature):void {
 220           //blankFeatureIcon(entity);
 221
 222           iconImage.source = feature.image;
 223
 224           var txt:String = feature.htmlDetails(entity);
 225           iconText.htmlText = txt;
 226           popupChange.label = feature.name;
 227           setLimitTypes(entity);
 228           tw.setSelectedFeature(feature);
 229           helpLabel.visible = feature.hasHelpURL();
 230       }
 231
 232       private function setLimitTypes(entity:Entity):void {
 233           var type:String = null;
 234           if ( entity is Node )
 235               type = "point";
 236           else if ( entity is Way )
 237               type = Way(entity).isArea() ? "area" : "line";
 238           else if ( entity is Relation )
 239               type = "relation";
 240           tw.setLimitTypes(type);
 241       }
 242
 243       private function blankFeatureIcon(entity:Entity):void {
 244           iconImage.source = null;
 245           popupChange.label = "unknown";
 246           setLimitTypes(entity);
 247                   if (entity == null) {
 248                         iconText.htmlText = "<i>Nothing selected</i>";
 249             tw.setNoSelectedFeature();
 250                   } else if (entity.hasTags()) {
 251                         iconText.htmlText = "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 252             tw.setSelectedFeature(null);
 253                   } else {
 254                         iconText.htmlText = "<b>No tags set</b><br/>Use the menu above to say what this "+entity.getType()+" is";
 255             tw.setSelectedFeature(null);
 256           }
 257           helpLabel.visible = false;
 258       }
 259
 260       private var tabComponents:Object = {};
 261
 262       private function initialiseEditors():void {
 263           editorStack.removeAllChildren();
 264           if ( selectedEntity == null || feature == null )
 265               return;
 266
 267           var editorBox:VBox = createEditorBox();
 268           editorBox.label = "Basic";
 269           editorStack.addChild(editorBox);
 270
 271           var tabs:Object = {};
 272           tabComponents = {};
 273
 274           for each (var factory:EditorFactory in feature.editors) {
 275               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 276                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 277                   if ( editor != null )
 278                       editorBox.addChild(editor);
 279               }
 280               var category:String = factory.category;
 281               if (category!='') {
 282                       var tab:VBox = tabs[category];
 283                       if ( tab == null) {
 284                           tab = createEditorBox();
 285                           tab.label = category;
 286                           editorStack.addChild(tab);
 287                           tabs[category] = tab;
 288                           tabComponents[tab] = [];
 289                       }
 290                       var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 291                       if ( catEditor != null )
 292                           tabComponents[tab].push(catEditor);
 293                       //    tab.addChild(catEditor);
 294               }
 295           }
 296       }
 297
 298       private function createEditorBox():VBox {
 299           var box:VBox = new VBox();
 300           box.percentWidth = 100;
 301           box.percentHeight = 100;
 302           box.styleName = "editorContainer";
 303           return box;
 304       }
 305
 306       private function ensureEditorsPopulated(tab:VBox):void {
 307           var components:Array = tabComponents[tab];
 308           if ( components == null || tab == null || tab.numChildren >= components.length )
 309               return;
 310           for each (var component:DisplayObject in components ) {
 311               tab.addChild(component);
 312           }
 313       }
 314
 315         private function initEditorStackUIs():void {
 316                 editorStackTabNavigator = new SuperTabNavigator();
 317                 editorStackTabNavigator.allowTabSqueezing=false;
 318                 editorStackTabNavigator.minTabWidth=10;
 319                 editorStackTabNavigator.closePolicy="close_never";
 320                 editorStackTabNavigator.scrollSpeed=20;
 321                 editorStackTabNavigator.creationPolicy="auto";
 322                 editorStackTabNavigator.percentWidth=100;
 323                 editorStackTabNavigator.percentHeight=100;
 324
 325                 editorStackAccordion = new Accordion();
 326                 editorStackAccordion.percentWidth=100;
 327                 editorStackAccordion.percentHeight=100;
 328                 editorStackAccordion.creationPolicy="auto";
 329
 330                 setEditorStackUI(true);
 331         }
 332
 333         private function setEditorStackUI(isTabbed:Boolean):void {
 334                 var children:Array=[]; var i:uint;
 335
 336                 if (editorStack) {
 337                         // blank existing component
 338                         editorStack.removeEventListener("change",editorStackUIChange);
 339                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 340                         editorStack.removeAllChildren();
 341                         editorContainer.removeChildAt(1);
 342                 }
 343
 344                 // replace with new component
 345                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 346                 editorContainer.addChild(editorStack);
 347
 348                 // re-add children and listeners
 349                 initialiseEditors();
 350                 editorStack.addEventListener("change",editorStackUIChange);
 351                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 352         }
 353
 354         private function editorStackUIChange(event:Event):void {
 355                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 356         }
 357
 358         private function editorStackUIUpdate(event:Event):void {
 359                 if (editorStack is SuperTabNavigator) {
 360                         var e:SuperTabNavigator = editorStack as SuperTabNavigator;
 361                         if (e.selectedIndex<0) { return; }
 362                         for (var i:uint=0; i<e.numChildren; i++) {
 363                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 364                         }
 365                 }
 366         }
 367
 368
 369         public function togglePanel():void {
 370                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 371                         stack.selectedChild=advancedContainer;
 372                 } else if (stack.selectedChild!=editorContainer) {
 373                         stack.selectedChild=editorContainer;
 374                 }
 375         }
 376
 377       private function checkAdvanced():void {
 378           if ( selectedEntity != null )
 379              setupAdvanced(selectedEntity);
 380       }
 381
 382       private var listeningToRelations:Array = [];
 383
 384       private function setupAdvanced(entity:Entity):void {
 385                 advancedTagGrid.init(entity);
 386
 387                 if ( entity == null ) {
 388                         advancedID.htmlText = "";
 389                 } else {
 390                         var entityText:String = "xx";
 391                         if      ( entity is Node     ) entityText = "Node";
 392                         else if ( entity is Way      ) entityText = "Way";
 393                         else if ( entity is Relation ) entityText = "Relation";
 394                         advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 395                 }
 396
 397                 removeRelationListeners();
 398                 if ( selectedEntity != null ) {
 399                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 400                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 401                 }
 402
 403                 if ( entity == null ) {
 404                         relationsGrid.dataProvider = null;
 405                 } else {
 406                         resetRelationsGrid(entity);
 407                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 408                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 409                 }
 410       }
 411
 412           public function addNewTag():void {
 413                 if (stack.selectedChild!=advancedContainer) { return; }
 414                 advancedTagGrid.addNewTag();
 415           }
 416
 417       private function addedToRelation(event:RelationMemberEvent):void {
 418          resetRelationsGrid(selectedEntity);
 419       }
 420
 421       private function removedFromRelation(event:RelationMemberEvent):void {
 422          resetRelationsGrid(selectedEntity);
 423       }
 424
 425       private function removeRelationListeners():void {
 426           for each( var rel:Relation in listeningToRelations ) {
 427               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 428               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 429               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 430           }
 431           listeningToRelations = [];
 432           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 433       }
 434
 435       private function resetRelationsGrid(entity:Entity):void {
 436           removeRelationListeners();
 437           var relations:Array = [];
 438           for each( var rel:Relation in entity.parentRelations ) {
 439               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 440                   var props:Object = {};
 441                   props["relation"] = rel;
 442                   props["id"] = rel.id;
 443                   props["index"] = memberIndex;
 444                   props["role"] = rel.getMember(memberIndex).role;
 445                   props["description"] = rel.getDescription();
 446                   props["id_idx"] = rel.id + "/"+memberIndex;
 447
 448                   relations.push(props);
 449               }
 450
 451               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 452               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 453               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 454               listeningToRelations.push(rel);
 455           }
 456           relationsGrid.dataProvider = relations;
 457           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 458       }
 459
 460       private function relationRoleChanged(event:DataGridEvent):void {
 461                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 462
 463                 var relations:Array=event.currentTarget.dataProvider.toArray();
 464                 var props:Object=relations[event.rowIndex];
 465
 466                 var relation:Relation=props['relation'];
 467                 var index:uint=props['index'];
 468                 var newRole:String=event.itemRenderer.data['role'];
 469
 470                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 471       }
 472
 473       private function relationTagChanged(event:TagEvent):void {
 474           resetRelationsGrid(selectedEntity);
 475       }
 476
 477       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 478           resetRelationsGrid(selectedEntity);
 479       }
 480
 481       private function checkMembers():void {
 482           if (selectedEntity is Relation) {
 483             setupMembers(selectedEntity as Relation);
 484           }
 485       }
 486
 487       private function setupMembers(rel:Relation):void {
 488           var members:Array = [];
 489           for (var i:int=0 ; i<rel.length; i++) {
 490             var props:Object = {};
 491             var member:RelationMember = rel.getMember(i);
 492             props["id"] = member.entity.id;
 493             props["type"] = member.entity.getType();
 494             props["role"] = member.role;
 495
 496             members.push(props);
 497           }
 498           membersGrid.dataProvider = members;
 499           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 500       }
 501
 502       private function membersChange(event:Event):void {
 503           // Dropping all the members and re-adding them isn't exactly optimal
 504           // but is at least robust for any kind of change.
 505           // Figuring out a better way is someone else's FIXME
 506
 507           var conn:Connection = Connection.getConnectionInstance();
 508           var rel:Relation = selectedEntity as Relation
 509
 510           // drop members
 511           for (var i:int=rel.length-1 ; i>=0; i--) {
 512             rel.removeMemberByIndex(i);
 513           }
 514
 515           // add members in new order
 516           for each(var memberObject:Object in membersGrid.dataProvider) {
 517             var e:Entity;
 518             var id:Number = memberObject.id;
 519             if(memberObject.type == 'node') {
 520               e = conn.getNode(id);
 521             } else if (memberObject.type == 'way') {
 522               e = conn.getWay(id);
 523             } else if (memberObject.type == 'relation') {
 524               e = conn.getRelation(id);
 525             }
 526             rel.appendMember(new RelationMember(e, memberObject.role));
 527           }
 528       }
 529
 530       private function editRelation(id:Number):void {
 531           var panel:RelationEditorPanel = RelationEditorPanel(
 532               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 533           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 534           PopUpManager.centerPopUp(panel);
 535       }
 536
 537       private function tagChanged(event:TagEvent):void {
 538           refreshFeatureIcon();
 539           // if the advancedTagGrid has already been set up, it needs to be refreshed.
 540           // FIXME make this better, maybe advancedTagGrid should be event listening.
 541           setupAdvanced(selectedEntity);
 542       }
 543
 544       public function loadFeatures():void {
 545           mapFeatures = MapFeatures.getInstance();
 546           stack.removeChild(membersVBox); // remove by default, will be added if relation
 547       }
 548
 549       public function openDescription():void {
 550           if ( feature != null && feature.hasHelpURL() )
 551               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 552       }
 553
 554       public function openEntityPage():void {
 555           if (selectedEntity != null && selectedEntity.id >= 0) {
 556               // This is slightly hard-coded, but not drastically. The ../s could be changed for string manipulation of the apiBase
 557               var urlBase:String = Connection.getConnectionInstance().apiBase + '../../browse/'
 558               navigateToURL(new URLRequest(urlBase+selectedEntity.getType()+'/'+selectedEntity.id), "potlatch_browse");
 559           }
 560       }
 561
 562       public function addToRelation():void {
 563           new RelationSelectPanel().init(selectedEntity,new Object());
 564       }
 565
 566       public function removeFromRelation(id:Number, index:int):void {
 567           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 568       }
 569
 570       public function initFeatureBox():void {
 571           tw = new CategorySelector();
 572           tw.addEventListener("selectedType", changeFeatureType);
 573           popupChange.popUp = tw;
 574       }
 575
 576       public function changeFeatureType(event:Event):void {
 577           if ( selectedEntity == null )
 578               return;
 579
 580           UIComponent.suspendBackgroundProcessing();
 581           var newFeature:Feature = tw.selectedType;
 582           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 583           var action:CompositeUndoableAction = new CompositeUndoableAction(
 584                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 585                   selectedEntity.suspend();
 586
 587           // remove tags from the current feature
 588           if ( feature != null ) {
 589               for each( var oldtag:Object in feature.tags ) {
 590                   selectedEntity.setTag(oldtag["k"], null, action.push);
 591               }
 592           }
 593
 594           // set tags for new feature
 595           if ( newFeature != null ) {
 596               for each( var newtag:Object in newFeature.tags ) {
 597                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 598               }
 599           }
 600
 601                   selectedEntity.resume();
 602           undoStack(action);
 603           popupChange.close();
 604           initialiseEditors();
 605           UIComponent.resumeBackgroundProcessing();
 606       }
 607
 608         private function resizePOIGrid(event:Event):void {
 609                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 610                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 611                 event.target.height=rows*(event.target.rowHeight+1);
 612         }
 613   ]]></mx:Script>
 614 </mx:VBox>
 615