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()" id="advancedAddButton"/>
  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.halcyon.VectorLayer;
 137       import net.systemeD.potlatch2.mapfeatures.*;
 138
 139       import mx.collections.*;
 140       import mx.containers.*;
 141       import mx.events.*;
 142       import mx.core.*;
 143       import mx.managers.PopUpManager;
 144       import flash.geom.Point;
 145       import flash.net.*;
 146       import mx.events.DragEvent;
 147       import mx.managers.DragManager;
 148       import mx.core.DragSource;
 149       import flexlib.containers.SuperTabNavigator;
 150
 151       private static const dndPrompt:String="Add new points by dragging them onto the map";
 152
 153       private var editorStackTabNavigator:SuperTabNavigator;
 154       private var editorStackAccordion:Accordion;
 155       [Bindable] private var editorStack:Container;
 156
 157       public var mapFeatures:MapFeatures;
 158       private var selectedEntity:Entity;
 159       private var tw:CategorySelector = null;
 160       private var feature:Feature = null;
 161
 162           public function setEntity(entities:Array, layer:VectorLayer=null):void {
 163                 UIComponent.suspendBackgroundProcessing();
 164
 165                 var firstSelected:Entity=null;
 166                 if (entities.length==1) { firstSelected=entities[0]; }
 167
 168                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 169                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 170                 }
 171
 172                 if (entities.length==0) {
 173                         // Nothing selected, so show drag-and-drop panel
 174                         sidebar.selectedChild = dndPanel;
 175
 176                 } else if (entities.length==1) {
 177                         // Single entity selected, so show tag panel
 178                         selectedEntity=firstSelected;
 179                         if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
 180                         if (advancedID!=null) { setupAdvanced(firstSelected); }
 181                         if (firstSelected is Relation) { stack.addChild(membersVBox); }
 182             if (selectedEntity is Marker) {
 183               markerPanelContents.init(selectedEntity, layer);
 184               sidebar.selectedChild = markerPanel;
 185             } else {
 186               refreshFeatureIcon();
 187               initialiseEditors();
 188               sidebar.selectedChild = tagsPanel;
 189             }
 190
 191                 } else {
 192                         // Multiple selection, so for now show a largely blank panel/
 193                         // ** TODO - proper multiple selection tagging
 194                         sidebar.selectedChild = multiplePanel;
 195                 }
 196                 UIComponent.resumeBackgroundProcessing();
 197       }
 198
 199       private function refreshFeatureIcon():void {
 200           var oldFeature:Feature = feature;
 201           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 202           if ( feature != oldFeature ) {
 203               if ( oldFeature != null )
 204                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 205               if ( feature != null )
 206                   feature.addEventListener("imageChanged", featureImageChanged);
 207           }
 208
 209           if ( feature != null && feature.name != null ) {
 210               setFeatureIcon(selectedEntity, feature);
 211           } else {
 212               blankFeatureIcon(selectedEntity);
 213           }
 214       }
 215
 216       private function featureImageChanged(event:Event):void {
 217           setFeatureIcon(selectedEntity, feature);
 218       }
 219
 220       private function setFeatureIcon(entity:Entity, feature:Feature):void {
 221           //blankFeatureIcon(entity);
 222
 223           iconImage.source = feature.image;
 224
 225           var txt:String = feature.htmlDetails(entity);
 226           iconText.htmlText = txt;
 227           popupChange.label = feature.name;
 228           setLimitTypes(entity);
 229           tw.setSelectedFeature(feature);
 230           helpLabel.visible = feature.hasHelpURL();
 231       }
 232
 233       private function setLimitTypes(entity:Entity):void {
 234           var type:String = null;
 235           if ( entity is Node )
 236               type = "point";
 237           else if ( entity is Way )
 238               type = Way(entity).isArea() ? "area" : "line";
 239           else if ( entity is Relation )
 240               type = "relation";
 241           tw.setLimitTypes(type);
 242       }
 243
 244       private function blankFeatureIcon(entity:Entity):void {
 245           iconImage.source = null;
 246           popupChange.label = "unknown";
 247           setLimitTypes(entity);
 248                   if (entity == null) {
 249                         iconText.htmlText = "<i>Nothing selected</i>";
 250             tw.setNoSelectedFeature();
 251                   } else if (entity.hasTags()) {
 252                         iconText.htmlText = "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 253             tw.setSelectedFeature(null);
 254                   } else {
 255                         iconText.htmlText = "<b>No tags set</b><br/>Use the menu above to say what this "+entity.getType()+" is";
 256             tw.setSelectedFeature(null);
 257           }
 258           helpLabel.visible = false;
 259       }
 260
 261       private var tabComponents:Object = {};
 262
 263       private function initialiseEditors():void {
 264           editorStack.removeAllChildren();
 265           if ( selectedEntity == null || feature == null )
 266               return;
 267
 268           var editorBox:VBox = createEditorBox();
 269           editorBox.label = "Basic";
 270           editorStack.addChild(editorBox);
 271
 272           var tabs:Object = {};
 273           tabComponents = {};
 274
 275           for each (var factory:EditorFactory in feature.editors) {
 276               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 277                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 278                   if ( editor != null )
 279                       editorBox.addChild(editor);
 280               }
 281               var category:String = factory.category;
 282               if (category!='') {
 283                       var tab:VBox = tabs[category];
 284                       if ( tab == null) {
 285                           tab = createEditorBox();
 286                           tab.label = category;
 287                           editorStack.addChild(tab);
 288                           tabs[category] = tab;
 289                           tabComponents[tab] = [];
 290                       }
 291                       var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 292                       if ( catEditor != null )
 293                           tabComponents[tab].push(catEditor);
 294                       //    tab.addChild(catEditor);
 295               }
 296           }
 297       }
 298
 299       private function createEditorBox():VBox {
 300           var box:VBox = new VBox();
 301           box.percentWidth = 100;
 302           box.percentHeight = 100;
 303           box.styleName = "editorContainer";
 304           return box;
 305       }
 306
 307       private function ensureEditorsPopulated(tab:VBox):void {
 308           var components:Array = tabComponents[tab];
 309           if ( components == null || tab == null || tab.numChildren >= components.length )
 310               return;
 311           for each (var component:DisplayObject in components ) {
 312               tab.addChild(component);
 313           }
 314       }
 315
 316         private function initEditorStackUIs():void {
 317                 editorStackTabNavigator = new SuperTabNavigator();
 318                 editorStackTabNavigator.allowTabSqueezing=false;
 319                 editorStackTabNavigator.minTabWidth=10;
 320                 editorStackTabNavigator.closePolicy="close_never";
 321                 editorStackTabNavigator.scrollSpeed=20;
 322                 editorStackTabNavigator.creationPolicy="auto";
 323                 editorStackTabNavigator.percentWidth=100;
 324                 editorStackTabNavigator.percentHeight=100;
 325
 326                 editorStackAccordion = new Accordion();
 327                 editorStackAccordion.percentWidth=100;
 328                 editorStackAccordion.percentHeight=100;
 329                 editorStackAccordion.creationPolicy="auto";
 330
 331                 setEditorStackUI(true);
 332         }
 333
 334         private function setEditorStackUI(isTabbed:Boolean):void {
 335                 var children:Array=[]; var i:uint;
 336
 337                 if (editorStack) {
 338                         // blank existing component
 339                         editorStack.removeEventListener("change",editorStackUIChange);
 340                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 341                         editorStack.removeAllChildren();
 342                         editorContainer.removeChildAt(1);
 343                 }
 344
 345                 // replace with new component
 346                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 347                 editorContainer.addChild(editorStack);
 348
 349                 // re-add children and listeners
 350                 initialiseEditors();
 351                 editorStack.addEventListener("change",editorStackUIChange);
 352                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 353         }
 354
 355         private function editorStackUIChange(event:Event):void {
 356                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 357         }
 358
 359         private function editorStackUIUpdate(event:Event):void {
 360                 if (editorStack is SuperTabNavigator) {
 361                         var e:SuperTabNavigator = editorStack as SuperTabNavigator;
 362                         if (e.selectedIndex<0) { return; }
 363                         for (var i:uint=0; i<e.numChildren; i++) {
 364                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 365                         }
 366                 }
 367         }
 368
 369
 370         public function togglePanel():void {
 371                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 372                         stack.selectedChild=advancedContainer;
 373                 } else if (stack.selectedChild!=editorContainer) {
 374                         stack.selectedChild=editorContainer;
 375                 }
 376         }
 377
 378       private function checkAdvanced():void {
 379           if ( selectedEntity != null )
 380              setupAdvanced(selectedEntity);
 381       }
 382
 383       /**
 384       * When you enter a new tag and press enter, the focus moves to the add button
 385       * Adding an event listener to the button and listening for + means that you
 386       * can add two consecutive tags with the same keypress. This relies on focus
 387       * moving to the "add" button, though, so it's not robust to rearranging the UI.
 388       */
 389       private function advancedAddButtonKeyboardEvent(event:KeyboardEvent):void {
 390           switch (event.keyCode) {
 391             case 187:   addNewTag(); break;                          // + - add tag
 392           }
 393       }
 394
 395       private var listeningToRelations:Array = [];
 396
 397       private function setupAdvanced(entity:Entity):void {
 398                 advancedTagGrid.init(entity);
 399         advancedAddButton.addEventListener(KeyboardEvent.KEY_DOWN, advancedAddButtonKeyboardEvent);
 400
 401                 if ( entity == null ) {
 402                         advancedID.htmlText = "";
 403                 } else {
 404                         var entityText:String = "xx";
 405                         if      ( entity is Node     ) entityText = "Node";
 406                         else if ( entity is Way      ) entityText = "Way";
 407                         else if ( entity is Relation ) entityText = "Relation";
 408                         advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 409                 }
 410
 411                 removeRelationListeners();
 412                 if ( selectedEntity != null ) {
 413                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 414                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 415                 }
 416
 417                 if ( entity == null ) {
 418                         relationsGrid.dataProvider = null;
 419                 } else {
 420                         resetRelationsGrid(entity);
 421                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 422                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 423                 }
 424       }
 425
 426           public function addNewTag():void {
 427                 if (stack.selectedChild!=advancedContainer) { return; }
 428                 advancedTagGrid.addNewTag();
 429           }
 430
 431       private function addedToRelation(event:RelationMemberEvent):void {
 432          resetRelationsGrid(selectedEntity);
 433       }
 434
 435       private function removedFromRelation(event:RelationMemberEvent):void {
 436          resetRelationsGrid(selectedEntity);
 437       }
 438
 439       private function removeRelationListeners():void {
 440           for each( var rel:Relation in listeningToRelations ) {
 441               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 442               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 443               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 444           }
 445           listeningToRelations = [];
 446           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 447       }
 448
 449       private function resetRelationsGrid(entity:Entity):void {
 450           removeRelationListeners();
 451           var relations:Array = [];
 452           for each( var rel:Relation in entity.parentRelations ) {
 453               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 454                   var props:Object = {};
 455                   props["relation"] = rel;
 456                   props["id"] = rel.id;
 457                   props["index"] = memberIndex;
 458                   props["role"] = rel.getMember(memberIndex).role;
 459                   props["description"] = rel.getDescription();
 460                   props["id_idx"] = rel.id + "/"+memberIndex;
 461
 462                   relations.push(props);
 463               }
 464
 465               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 466               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 467               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 468               listeningToRelations.push(rel);
 469           }
 470           relationsGrid.dataProvider = relations;
 471           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 472       }
 473
 474       private function relationRoleChanged(event:DataGridEvent):void {
 475                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 476
 477                 var relations:Array=event.currentTarget.dataProvider.toArray();
 478                 var props:Object=relations[event.rowIndex];
 479
 480                 var relation:Relation=props['relation'];
 481                 var index:uint=props['index'];
 482                 var newRole:String=event.itemRenderer.data['role'];
 483
 484                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 485       }
 486
 487       private function relationTagChanged(event:TagEvent):void {
 488           resetRelationsGrid(selectedEntity);
 489       }
 490
 491       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 492           resetRelationsGrid(selectedEntity);
 493       }
 494
 495       private function checkMembers():void {
 496           if (selectedEntity is Relation) {
 497             setupMembers(selectedEntity as Relation);
 498           }
 499       }
 500
 501       private function setupMembers(rel:Relation):void {
 502           var members:Array = [];
 503           for (var i:int=0 ; i<rel.length; i++) {
 504             var props:Object = {};
 505             var member:RelationMember = rel.getMember(i);
 506             props["id"] = member.entity.id;
 507             props["type"] = member.entity.getType();
 508             props["role"] = member.role;
 509
 510             members.push(props);
 511           }
 512           membersGrid.dataProvider = members;
 513           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 514       }
 515
 516       private function membersChange(event:Event):void {
 517           // Dropping all the members and re-adding them isn't exactly optimal
 518           // but is at least robust for any kind of change.
 519           // Figuring out a better way is someone else's FIXME
 520
 521           var conn:Connection = Connection.getConnectionInstance();
 522           var rel:Relation = selectedEntity as Relation
 523
 524           // drop members
 525           for (var i:int=rel.length-1 ; i>=0; i--) {
 526             rel.removeMemberByIndex(i);
 527           }
 528
 529           // add members in new order
 530           for each(var memberObject:Object in membersGrid.dataProvider) {
 531             var e:Entity;
 532             var id:Number = memberObject.id;
 533             if(memberObject.type == 'node') {
 534               e = conn.getNode(id);
 535             } else if (memberObject.type == 'way') {
 536               e = conn.getWay(id);
 537             } else if (memberObject.type == 'relation') {
 538               e = conn.getRelation(id);
 539             }
 540             rel.appendMember(new RelationMember(e, memberObject.role));
 541           }
 542       }
 543
 544       private function editRelation(id:Number):void {
 545           var panel:RelationEditorPanel = RelationEditorPanel(
 546               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 547           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 548           PopUpManager.centerPopUp(panel);
 549       }
 550
 551       private function tagChanged(event:TagEvent):void {
 552           refreshFeatureIcon();
 553           // if the advancedTagGrid has already been set up, it needs to be refreshed.
 554           // FIXME make this better, maybe advancedTagGrid should be event listening.
 555           setupAdvanced(selectedEntity);
 556       }
 557
 558       public function loadFeatures():void {
 559           mapFeatures = MapFeatures.getInstance();
 560           stack.removeChild(membersVBox); // remove by default, will be added if relation
 561       }
 562
 563       public function openDescription():void {
 564           if ( feature != null && feature.hasHelpURL() )
 565               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 566       }
 567
 568       public function openEntityPage():void {
 569           if (selectedEntity != null && selectedEntity.id >= 0) {
 570               // This is slightly hard-coded, but not drastically. The ../s could be changed for string manipulation of the apiBase
 571               var urlBase:String = Connection.getConnectionInstance().apiBase + '../../browse/'
 572               navigateToURL(new URLRequest(urlBase+selectedEntity.getType()+'/'+selectedEntity.id), "potlatch_browse");
 573           }
 574       }
 575
 576       public function addToRelation():void {
 577           new RelationSelectPanel().init(selectedEntity,new Object());
 578       }
 579
 580       public function removeFromRelation(id:Number, index:int):void {
 581           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 582       }
 583
 584       public function initFeatureBox():void {
 585           tw = new CategorySelector();
 586           tw.addEventListener("selectedType", changeFeatureType);
 587           popupChange.popUp = tw;
 588       }
 589
 590       public function changeFeatureType(event:Event):void {
 591           if ( selectedEntity == null )
 592               return;
 593
 594           UIComponent.suspendBackgroundProcessing();
 595           var newFeature:Feature = tw.selectedType;
 596           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 597           var action:CompositeUndoableAction = new CompositeUndoableAction(
 598                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 599                   selectedEntity.suspend();
 600
 601           // remove tags from the current feature
 602           if ( feature != null ) {
 603               for each( var oldtag:Object in feature.tags ) {
 604                   selectedEntity.setTag(oldtag["k"], null, action.push);
 605               }
 606           }
 607
 608           // set tags for new feature
 609           if ( newFeature != null ) {
 610               for each( var newtag:Object in newFeature.tags ) {
 611                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 612               }
 613           }
 614
 615                   selectedEntity.resume();
 616           undoStack(action);
 617           popupChange.close();
 618           initialiseEditors();
 619           UIComponent.resumeBackgroundProcessing();
 620       }
 621
 622         private function resizePOIGrid(event:Event):void {
 623                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 624                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 625                 event.target.height=rows*(event.target.rowHeight+1);
 626         }
 627   ]]></mx:Script>
 628 </mx:VBox>
 629