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     backgroundColor="white"
   6     initialize="loadFeatures()">
   7
   8 <mx:ViewStack id="sidebar" width="100%" height="100%" creationPolicy="all">
   9   <mx:VBox id="dndPanel" width="100%" height="100%">
  10     <mx:Text id="dndPanelText" text="{dndPrompt}" automationName="{dndPrompt}" />
  11         <mx:Repeater id="dndRep" dataProvider="{MapFeatures.getInstance().getCategoriesForType('point')}">
  12                 <mx:HBox width="100%"><mx:Label text="{dndRep.currentItem.name}"/></mx:HBox>
  13
  14                         <mx:TileList dataProvider="{dndRep.currentItem.getFeaturesForType('point')}" width="100%"
  15                                      rowHeight="32" columnWidth="32" updateComplete="resizePOIGrid(event)">
  16                                 <mx:itemRenderer>
  17                                         <mx:Component>
  18                                                 <mx:VBox mouseOver="parentDocument.dndPanelText.text = data.name"
  19                                                                  mouseOut="parentDocument.dndPanelText.text = parentDocument.dndPanelText.automationName">
  20                                                 <mx:Script><![CDATA[
  21                                                         import mx.events.DragEvent;
  22                                                         import mx.managers.DragManager;
  23                                                         import mx.core.DragSource;
  24
  25                                                         private function dragPOI(event:MouseEvent, tags:Array):void {
  26                                                                 // Get the drag initiator component from the event object.
  27                                                                 var dragInitiator:Image = event.currentTarget as Image;
  28                                                                 var dragSource:DragSource = new DragSource();
  29                                                                 dragSource.addData(tags, 'tags');
  30                                                                 dragSource.addData(event.target.parent.parent.parent.parent, 'container');
  31
  32                                                                 var dragProxy:Image = new Image();
  33                                                                 dragProxy.source = dragInitiator.source;
  34                                                                 dragProxy.width = dragInitiator.width;   // must set width and height explicitly
  35                                                                 dragProxy.height = dragInitiator.height; // for non-embedded images
  36                                                                 DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
  37                                                         }
  38                                                 ]]></mx:Script>
  39                                                 <mx:Image id="foo" source="{data.image}" height="25" width="25" mouseMove="dragPOI(event, data.tags)" toolTip="{data.name}" />
  40                                         </mx:VBox>
  41                                 </mx:Component>
  42                         </mx:itemRenderer>
  43                 </mx:TileList>
  44         </mx:Repeater>
  45   </mx:VBox>
  46
  47   <mx:VBox id="tagsPanel" width="100%" height="100%" creationPolicy="auto">
  48     <mx:ViewStack id="stack" width="100%" height="100%">
  49       <mx:VBox width="100%" height="100%" label="Simple" id="editorContainer" creationComplete="initEditorStackUIs()">
  50         <mx:HBox borderStyle="inset" verticalAlign="middle" width="100%" paddingLeft="3" id="iconContainer">
  51             <mx:Image id="iconImage"/>
  52             <mx:VBox width="100%" verticalGap="1">
  53               <mx:PopUpButton id="popupChange" creationComplete="initFeatureBox()" openAlways="true" width="100%"/>
  54               <mx:Text condenseWhite="true" width="100%" id="iconText"/>
  55             </mx:VBox>
  56             <mx:LinkButton label="?" click="openDescription()" id="helpLabel"/>
  57         </mx:HBox>
  58       </mx:VBox>
  59       <mx:VBox width="100%" height="100%" label="Advanced" initialize="checkAdvanced()" verticalGap="1">
  60         <mx:Label id="advancedID">
  61           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  62         </mx:Label>
  63
  64         <mx:DataGrid editable="true" width="100%" height="75%" id="advancedTagGrid">
  65                 <mx:columns>
  66                     <mx:DataGridColumn editable="true" dataField="key" headerText="Key"/>
  67                     <mx:DataGridColumn editable="true" dataField="value" headerText="Value"/>
  68                 </mx:columns>
  69         </mx:DataGrid>
  70
  71         <mx:HBox horizontalAlign="right" width="100%">
  72           <mx:LinkButton label="Delete" click="removeTag()" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  73           <mx:LinkButton label="Add" click="addNewTag()"/>
  74         </mx:HBox>
  75
  76         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  77             doubleClickEnabled="true"
  78             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)">
  79             <mx:columns>
  80                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
  81                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  82                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
  83             </mx:columns>
  84         </mx:DataGrid>
  85
  86         <mx:HBox horizontalAlign="right" width="100%">
  87           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
  88                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
  89           <mx:LinkButton label="Add to" click="addToRelation()"/>
  90         </mx:HBox>
  91
  92       </mx:VBox>
  93
  94       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
  95         <mx:Label id="membersText" text="Relation Members"/>
  96         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
  97                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
  98           <mx:columns>
  99             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
 100             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
 101             <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
 102           </mx:columns>
 103         </mx:DataGrid>
 104       </mx:VBox>
 105
 106       </mx:ViewStack>
 107
 108           <mx:HBox width="100%">
 109                 <mx:LinkBar dataProvider="{stack}"/>
 110                 <mx:Spacer width="100%"/>
 111                 <mx:LinkButton
 112                         icon="@Embed('../../../embedded/view_tabbed.png')"
 113                         disabledIcon="@Embed('../../../embedded/view_tabbed_disabled.png')"
 114                         click="setEditorStackUI(true)" id="tabNavigatorLabel" paddingTop="6"
 115                         enabled="{editorStack is Accordion &amp;&amp; stack.selectedIndex==0}" />
 116                 <mx:LinkButton
 117                         icon="@Embed('../../../embedded/view_accordion.png')"
 118                         disabledIcon="@Embed('../../../embedded/view_accordion_disabled.png')"
 119                         click="setEditorStackUI(false)" id="accordionLabel" paddingTop="6"
 120                         enabled="{editorStack is SuperTabNavigator &amp;&amp; stack.selectedIndex==0}" />
 121           </mx:HBox>
 122   </mx:VBox>
 123 </mx:ViewStack>
 124
 125   <mx:Script><![CDATA[
 126       import net.systemeD.halcyon.connection.*;
 127       import net.systemeD.potlatch2.mapfeatures.*;
 128
 129       import mx.collections.*;
 130       import mx.containers.*;
 131       import mx.events.*;
 132       import mx.core.*;
 133       import mx.managers.PopUpManager;
 134       import flash.geom.Point;
 135       import flash.net.*;
 136       import mx.events.DragEvent;
 137       import mx.managers.DragManager;
 138       import mx.core.DragSource;
 139       import flexlib.containers.SuperTabNavigator;
 140
 141       private static const dndPrompt:String="Drag and drop points of interest";
 142
 143       private var editorStackTabNavigator:SuperTabNavigator;
 144       private var editorStackAccordion:Accordion;
 145       [Bindable] private var editorStack:Container;
 146
 147       private var mapFeatures:MapFeatures;
 148       private var selectedEntity:Entity;
 149       private var tagDataProvider:ArrayCollection;
 150       private var tw:CategorySelector = null;
 151       private var feature:Feature = null;
 152
 153       public function setEntity(entity:Entity):void {
 154           UIComponent.suspendBackgroundProcessing();
 155           if ( selectedEntity != entity ) {
 156               if ( selectedEntity != null )
 157                   selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 158               selectedEntity = entity;
 159               if ( selectedEntity != null )
 160                   selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
 161           }
 162
 163           if ( advancedID != null )
 164               setupAdvanced(entity);
 165           if (entity is Relation) {
 166               stack.addChild(membersVBox);
 167           }
 168           refreshFeatureIcon();
 169           if (selectedEntity == null) {
 170             sidebar.selectedChild = dndPanel;
 171           } else {
 172             initialiseEditors();
 173             sidebar.selectedChild = tagsPanel;
 174           }
 175           UIComponent.resumeBackgroundProcessing();
 176       }
 177
 178       private function refreshFeatureIcon():void {
 179           var oldFeature:Feature = feature;
 180           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 181           if ( feature != oldFeature ) {
 182               if ( oldFeature != null )
 183                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 184               if ( feature != null )
 185                   feature.addEventListener("imageChanged", featureImageChanged);
 186           }
 187
 188           if ( feature != null ) {
 189               setFeatureIcon(selectedEntity, feature);
 190           } else {
 191               blankFeatureIcon(selectedEntity);
 192           }
 193       }
 194
 195       private function featureImageChanged(event:Event):void {
 196           setFeatureIcon(selectedEntity, feature);
 197       }
 198
 199       private function setFeatureIcon(entity:Entity, feature:Feature):void {
 200           //blankFeatureIcon(entity);
 201
 202           iconImage.source = feature.image;
 203
 204           var txt:String = feature.htmlDetails(entity);
 205           iconText.htmlText = txt;
 206           popupChange.label = feature.name;
 207           setLimitTypes(entity);
 208           tw.setSelectedFeature(feature);
 209           helpLabel.visible = feature.hasHelpURL();
 210       }
 211
 212       private function setLimitTypes(entity:Entity):void {
 213           var type:String = null;
 214           if ( entity is Node )
 215               type = "point";
 216           else if ( entity is Way )
 217               type = Way(entity).isArea() ? "area" : "line";
 218           else if ( entity is Relation )
 219               type = "relation";
 220           tw.setLimitTypes(type);
 221       }
 222
 223       private function blankFeatureIcon(entity:Entity):void {
 224           iconImage.source = null;
 225           popupChange.label = "unknown";
 226           setLimitTypes(entity);
 227                   if (entity == null) {
 228                         iconText.htmlText = "<i>Nothing selected</i>";
 229             tw.setNoSelectedFeature();
 230                   } else if (entity.hasTags()) {
 231                         iconText.htmlText = "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 232             tw.setSelectedFeature(null);
 233                   } else {
 234                         iconText.htmlText = "<b>No tags set</b><br/>Use the menu above to say what this "+entity.getType()+" is";
 235             tw.setSelectedFeature(null);
 236           }
 237           helpLabel.visible = false;
 238       }
 239
 240       private var tabComponents:Object = {};
 241
 242       private function initialiseEditors():void {
 243           editorStack.removeAllChildren();
 244           if ( selectedEntity == null || feature == null )
 245               return;
 246
 247           var editorBox:VBox = createEditorBox();
 248           editorBox.label = "Basic";
 249           editorStack.addChild(editorBox);
 250
 251           var tabs:Object = {};
 252           tabComponents = {};
 253
 254           for each (var factory:EditorFactory in feature.editors) {
 255               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 256                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 257                   if ( editor != null )
 258                       editorBox.addChild(editor);
 259               }
 260               var category:String = factory.category;
 261               var tab:VBox = tabs[category];
 262               if ( tab == null ) {
 263                   tab = createEditorBox();
 264                   tab.label = category;
 265                   editorStack.addChild(tab);
 266                   tabs[category] = tab;
 267                   tabComponents[tab] = [];
 268               }
 269               var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 270               if ( catEditor != null )
 271                   tabComponents[tab].push(catEditor);
 272               //    tab.addChild(catEditor);
 273           }
 274       }
 275
 276       private function createEditorBox():VBox {
 277           var box:VBox = new VBox();
 278           box.percentWidth = 100;
 279           box.percentHeight = 100;
 280           return box;
 281       }
 282
 283       private function ensureEditorsPopulated(tab:VBox):void {
 284           var components:Array = tabComponents[tab];
 285           if ( components == null || tab == null || tab.numChildren >= components.length )
 286               return;
 287           for each (var component:DisplayObject in components ) {
 288               tab.addChild(component);
 289           }
 290       }
 291
 292         private function initEditorStackUIs():void {
 293                 editorStackTabNavigator = new SuperTabNavigator();
 294                 editorStackTabNavigator.allowTabSqueezing=false;
 295                 editorStackTabNavigator.minTabWidth=10;
 296                 editorStackTabNavigator.closePolicy="close_never";
 297                 editorStackTabNavigator.scrollSpeed=20;
 298                 editorStackTabNavigator.creationPolicy="auto";
 299                 editorStackTabNavigator.percentWidth=100;
 300                 editorStackTabNavigator.percentHeight=100;
 301
 302                 editorStackAccordion = new Accordion();
 303                 editorStackAccordion.percentWidth=100;
 304                 editorStackAccordion.percentHeight=100;
 305                 editorStackAccordion.creationPolicy="auto";
 306
 307                 setEditorStackUI(true);
 308         }
 309
 310         private function setEditorStackUI(isTabbed:Boolean):void {
 311                 var children:Array=[]; var i:uint;
 312
 313                 if (editorStack) {
 314                         // blank existing component
 315                         editorStack.removeEventListener("change",editorStackUIChange);
 316                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 317                         editorStack.removeAllChildren();
 318                         editorContainer.removeChildAt(1);
 319                 }
 320
 321                 // replace with new component
 322                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 323                 editorContainer.addChild(editorStack);
 324
 325                 // re-add children and listeners
 326                 initialiseEditors();
 327                 editorStack.addEventListener("change",editorStackUIChange);
 328                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 329         }
 330
 331         private function editorStackUIChange(event:Event):void {
 332                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 333         }
 334
 335         private function editorStackUIUpdate(event:Event):void {
 336                 if (editorStack is SuperTabNavigator) {
 337                         var e:SuperTabNavigator = editorStack as SuperTabNavigator;
 338                         if (e.selectedIndex<0) { return; }
 339                         for (var i:uint=0; i<e.numChildren; i++) {
 340                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 341                         }
 342                 }
 343         }
 344
 345
 346       private function checkAdvanced():void {
 347           if ( selectedEntity != null )
 348              setupAdvanced(selectedEntity);
 349       }
 350
 351       private var listeningToRelations:Array = [];
 352
 353       private function setupAdvanced(entity:Entity):void {
 354           if ( tagDataProvider == null ) {
 355               tagDataProvider = new ArrayCollection();
 356               advancedTagGrid.dataProvider = tagDataProvider;
 357           }
 358
 359           tagDataProvider.removeAll();
 360
 361           if ( entity == null ) {
 362               advancedID.htmlText = "";
 363           } else {
 364               var entityText:String = "xx";
 365               if ( entity is Node ) entityText = "Node";
 366               else if ( entity is Way ) entityText = "Way";
 367               else if ( entity is Relation ) entityText = "Relation";
 368               advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 369
 370               var tags:Array = entity.getTagArray();
 371               tags.sortOn("key");
 372               for each(var tag:Tag in tags)
 373                   tagDataProvider.addItem(tag);
 374           }
 375
 376           removeRelationListeners();
 377           if ( selectedEntity != null ) {
 378               selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 379               selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 380           }
 381
 382           if ( entity == null ) {
 383               relationsGrid.dataProvider = null;
 384           } else {
 385               resetRelationsGrid(entity);
 386               entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 387               entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 388           }
 389       }
 390
 391       private function addedToRelation(event:RelationMemberEvent):void {
 392          resetRelationsGrid(selectedEntity);
 393       }
 394
 395       private function removedFromRelation(event:RelationMemberEvent):void {
 396          resetRelationsGrid(selectedEntity);
 397       }
 398
 399       private function removeRelationListeners():void {
 400           for each( var rel:Relation in listeningToRelations ) {
 401               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 402               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 403               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 404           }
 405           listeningToRelations = [];
 406           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 407       }
 408
 409       private function resetRelationsGrid(entity:Entity):void {
 410           removeRelationListeners();
 411           var relations:Array = [];
 412           for each( var rel:Relation in entity.parentRelations ) {
 413               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 414                   var props:Object = {};
 415                   props["relation"] = rel;
 416                   props["id"] = rel.id;
 417                   props["index"] = memberIndex;
 418                   props["role"] = rel.getMember(memberIndex).role;
 419                   props["description"] = rel.getDescription();
 420                   props["id_idx"] = rel.id + "/"+memberIndex;
 421
 422                   relations.push(props);
 423               }
 424
 425               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 426               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 427               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 428               listeningToRelations.push(rel);
 429           }
 430           relationsGrid.dataProvider = relations;
 431           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 432       }
 433
 434       private function relationRoleChanged(event:DataGridEvent):void {
 435                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 436
 437                 var relations:Array=event.currentTarget.dataProvider.toArray();
 438                 var props:Object=relations[event.rowIndex];
 439
 440                 var relation:Relation=props['relation'];
 441                 var index:uint=props['index'];
 442                 var newRole:String=event.itemRenderer.data['role'];
 443
 444                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 445       }
 446
 447       private function relationTagChanged(event:TagEvent):void {
 448           resetRelationsGrid(selectedEntity);
 449       }
 450
 451       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 452           resetRelationsGrid(selectedEntity);
 453       }
 454
 455       private function checkMembers():void {
 456           if (selectedEntity is Relation) {
 457             setupMembers(selectedEntity as Relation);
 458           }
 459       }
 460
 461       private function setupMembers(rel:Relation):void {
 462           var members:Array = [];
 463           for (var i:int=0 ; i<rel.length; i++) {
 464             var props:Object = {};
 465             var member:RelationMember = rel.getMember(i);
 466             props["id"] = member.entity.id;
 467             props["type"] = member.entity.getType();
 468             props["role"] = member.role;
 469
 470             members.push(props);
 471           }
 472           membersGrid.dataProvider = members;
 473           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 474       }
 475
 476       private function membersChange(event:Event):void {
 477           // Dropping all the members and re-adding them isn't exactly optimal
 478           // but is at least robust for any kind of change.
 479           // Figuring out a better way is someone else's FIXME
 480
 481           var conn:Connection = Connection.getConnectionInstance();
 482           var rel:Relation = selectedEntity as Relation
 483
 484           // drop members
 485           trace("Dropping "+rel.length+" members");
 486           for (var i:int=rel.length-1 ; i>=0; i--) {
 487             rel.removeMemberByIndex(i);
 488           }
 489
 490           // add members in new order
 491           for each(var memberObject:Object in membersGrid.dataProvider) {
 492             var e:Entity;
 493             var id:Number = memberObject.id;
 494             if(memberObject.type == 'node') {
 495               e = conn.getNode(id);
 496             } else if (memberObject.type == 'way') {
 497               e = conn.getWay(id);
 498             } else if (memberObject.type == 'relation') {
 499               e = conn.getRelation(id);
 500             }
 501             rel.appendMember(new RelationMember(e, memberObject.role));
 502             trace("added member "+memberObject.type+" "+id+" in role "+memberObject.role);
 503           }
 504           trace("complete: relation "+rel.id+" now has "+rel.length+" members");
 505       }
 506
 507       private function editRelation(id:Number):void {
 508           var panel:RelationEditorPanel = RelationEditorPanel(
 509               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 510           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 511           PopUpManager.centerPopUp(panel);
 512       }
 513
 514       private function tagChanged(event:TagEvent):void {
 515           refreshFeatureIcon();
 516
 517           if ( tagDataProvider != null ) {
 518               // check to see if the key is already in our list
 519               var exists:Boolean = false;
 520               var tag:Tag = null;
 521               var i:uint;
 522               for ( i = 0; i < tagDataProvider.length && !exists; i++ ) {
 523                   tag = Tag(tagDataProvider.getItemAt(i));
 524                   exists = tag.key == event.key;
 525               }
 526               if ( !exists ) {
 527                   tag = new Tag(selectedEntity, event.key, event.newValue);
 528                   tagDataProvider.addItem(tag);
 529                   tagDataProvider.refresh();
 530               } else {
 531                   if ( event.newValue == null ) {
 532                       tagDataProvider.removeItemAt(i-1);
 533                       tagDataProvider.refresh();
 534                   } else {
 535                       tagDataProvider.itemUpdated(tag, "value");
 536                   }
 537               }
 538           }
 539       }
 540
 541       public function loadFeatures():void {
 542           mapFeatures = MapFeatures.getInstance();
 543           stack.removeChild(membersVBox); // remove by default, will be added if relation
 544       }
 545
 546       public function openDescription():void {
 547           trace("open description here");
 548           if ( feature != null && feature.hasHelpURL() )
 549               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 550       }
 551
 552       public function addNewTag():void {
 553           var newKey:String = "(new tag)";
 554           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
 555           tagDataProvider.addItem(newTag);
 556           advancedTagGrid.editedItemPosition = {rowIndex: tagDataProvider.getItemIndex(newTag), columnIndex: 0};
 557       }
 558
 559       public function removeTag():void {
 560           var k:String = advancedTagGrid.selectedItem.key;
 561           selectedEntity.setTag(k, null, MainUndoStack.getGlobalStack().addAction);
 562       }
 563
 564       public function addToRelation():void {
 565           new RelationSelectPanel().init(selectedEntity,new Object());
 566       }
 567
 568       public function removeFromRelation(id:Number, index:int):void {
 569           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 570       }
 571
 572       public function initFeatureBox():void {
 573           tw = new CategorySelector();
 574           tw.addEventListener("selectedType", changeFeatureType);
 575           popupChange.popUp = tw;
 576       }
 577
 578       public function changeFeatureType(event:Event):void {
 579           if ( selectedEntity == null )
 580               return;
 581
 582           UIComponent.suspendBackgroundProcessing();
 583           var newFeature:Feature = tw.selectedType;
 584           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 585           var action:CompositeUndoableAction = new CompositeUndoableAction(
 586                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 587                   selectedEntity.suspend();
 588
 589           // remove tags from the current feature
 590           if ( feature != null ) {
 591               for each( var oldtag:Object in feature.tags ) {
 592                   selectedEntity.setTag(oldtag["k"], null, action.push);
 593               }
 594           }
 595
 596           // set tags for new feature
 597           if ( newFeature != null ) {
 598               for each( var newtag:Object in newFeature.tags ) {
 599                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 600               }
 601           }
 602
 603                   selectedEntity.resume();
 604           undoStack(action);
 605           popupChange.close();
 606           initialiseEditors();
 607           UIComponent.resumeBackgroundProcessing();
 608       }
 609
 610         private function resizePOIGrid(event:Event):void {
 611                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 612                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 613                 event.target.height=rows*(event.target.rowHeight+1);
 614         }
 615   ]]></mx:Script>
 616 </mx:VBox>
 617