net/systemeD/potlatch2/TagViewer.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <!---
   3   The TagViewer is the container for the entire sidebar. It has a number of components, and subpanels, in a ViewStack that change
   4   depending on what is selected, i.e. the ControllerState.
   5
   6   @see net.systemeD.potlatch2.controller.ControllerState
   7     -->
   8 <mx:VBox
   9     xmlns:fx="http://ns.adobe.com/mxml/2009"
  10     xmlns:mx="library://ns.adobe.com/flex/mx"
  11     xmlns:flexlib="flexlib.containers.*"
  12     xmlns:controls="net.systemeD.controls.*"
  13     xmlns:potlatch2="net.systemeD.potlatch2.*"
  14     xmlns:sidepanel="net.systemeD.potlatch2.panels.*"
  15     horizontalScrollPolicy="off"
  16     backgroundColor="white"
  17     minHeight="0"
  18     initialize="loadFeatures()">
  19
  20 <mx:ViewStack id="sidebar" width="100%" height="100%" minHeight="0" creationPolicy="all">
  21
  22   <sidepanel:DragAndDropPanel id="dndPanel" />
  23
  24   <!-- Standard tagging panel -->
  25
  26   <mx:VBox id="tagsPanel" width="100%" height="100%" creationPolicy="auto" tabChildren="true">
  27     <mx:ViewStack id="stack" width="100%" height="100%" change="tagsPanel.tabChildren=(event.newIndex==0)">
  28       <mx:VBox width="100%" height="100%" label="Simple" id="editorContainer" creationComplete="initEditorStackUIs()" styleName="dndPanelVbox">
  29         <mx:VBox width="100%" verticalGap="1" styleName="dndTagHeader">
  30           <mx:HBox width="100%" id="iconContainer" styleName="featureSelector">
  31             <mx:Image id="iconImage"/>
  32             <mx:Text condenseWhite="true" width="100%" id="iconText" styleName="dndIconText"/>
  33           </mx:HBox>
  34           <mx:HBox width="100%">
  35             <mx:PopUpButton id="popupChange" openAlways="true" width="100%" styleName="dndTagPopUpMenu" />
  36             <mx:LinkButton icon="@Embed('../../../embedded/information.svg')" click="openDescription()" id="helpLabel" styleName="helpInfo"/>
  37           </mx:HBox>
  38           <mx:HBox width="100%" id="summaryContainer" visible="false">
  39             <mx:Text condenseWhite="true" width="100%" id="featureSummary" link="togglePanel()" />
  40           </mx:HBox>
  41         </mx:VBox>
  42       </mx:VBox>
  43       <mx:VBox width="100%" height="100%" label="Advanced" id="advancedContainer" initialize="checkAdvanced()" verticalGap="1">
  44                 <potlatch2:TagGrid id="advancedTagGrid" width="100%" height="75%" />
  45
  46         <mx:HBox horizontalAlign="right" width="100%">
  47           <mx:LinkButton label="Delete" click="advancedTagGrid.removeTag()" id="advancedDeleteButton" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  48           <mx:LinkButton label="Add" click="advancedTagGrid.addNewTag()" id="advancedAddButton"/>
  49         </mx:HBox>
  50
  51         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  52             doubleClickEnabled="true"
  53             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)"
  54             doubleClick="if (event.target.parent==relationsGrid) { addToRelation(); }">
  55             <mx:columns>
  56                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation" minWidth="100">
  57                     <mx:itemRenderer>
  58                         <fx:Component>
  59                             <mx:Text x="4" y="0" width="100%" selectable="false" htmlText="{outerDocument.adaptHTMLDescription(data.description)}" height="20"/>
  60                         </fx:Component>
  61                     </mx:itemRenderer>
  62                 </mx:DataGridColumn>
  63                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  64                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
  65                     <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
  66                 </mx:DataGridColumn>
  67                                 <mx:DataGridColumn width="40" minWidth="40" editable="false">
  68                                         <mx:itemRenderer>
  69                                                 <fx:Component>
  70                                                         <mx:HBox horizontalAlign="center" verticalAlign="middle" paddingLeft="4">
  71                                                                 <mx:PopUpButton arrowButtonWidth="12" paddingLeft="0" paddingRight="0" width="12" height="12"
  72                                                                                 open="{outerDocument.updateRelationMenu(event);}"
  73                                                                                 creationComplete="{outerDocument.createRelationMenu(PopUpButton(event.target));}"/>
  74                                                                 <mx:Image source="@Embed('../../../embedded/delete_small.svg')"
  75                                                                           click='event.stopPropagation();outerDocument.removeFromRelation(data.id, data.index);'
  76                                                                           buttonMode="true" useHandCursor="true" width="12" height="12" />
  77                                                         </mx:HBox>
  78                                                 </fx:Component>
  79                                         </mx:itemRenderer>
  80                                 </mx:DataGridColumn>
  81                                 <mx:DataGridColumn minWidth="4" /><!-- Dummy column forces Flex to render previous one at proper width -->
  82             </mx:columns>
  83         </mx:DataGrid>
  84
  85         <mx:HBox horizontalAlign="right" width="100%">
  86           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
  87                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
  88           <mx:LinkButton label="Add to" click="addToRelation()"/>
  89         </mx:HBox>
  90
  91       </mx:VBox>
  92
  93       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
  94         <mx:Label id="membersText" text="Relation Members"/>
  95         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
  96                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
  97           <mx:columns>
  98             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
  99             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
 100             <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
 101                                 <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
 102                         </mx:DataGridColumn>
 103           </mx:columns>
 104         </mx:DataGrid>
 105       </mx:VBox>
 106
 107       </mx:ViewStack>
 108
 109           <mx:HBox width="100%">
 110                 <mx:LinkBar dataProvider="{stack}"/>
 111                 <mx:Spacer width="100%"/>
 112                 <mx:LinkButton
 113                         icon="@Embed('../../../embedded/view_tabbed.png')"
 114                         disabledIcon="@Embed('../../../embedded/view_tabbed_disabled.png')"
 115                         click="setEditorStackUI(true)" id="tabNavigatorLabel" paddingTop="6"
 116                         toolTip="Show in tabs"
 117                         enabled="{editorStack is Accordion &amp;&amp; stack.selectedIndex==0}" />
 118                 <mx:LinkButton
 119                         icon="@Embed('../../../embedded/view_accordion.png')"
 120                         disabledIcon="@Embed('../../../embedded/view_accordion_disabled.png')"
 121                         click="setEditorStackUI(false)" id="accordionLabel" paddingTop="6"
 122                         toolTip="Show in sliding windows"
 123                         enabled="{editorStack is TabNavigator &amp;&amp; stack.selectedIndex==0}" />
 124           </mx:HBox>
 125
 126           <mx:HBox width="100%">
 127               <mx:Label id="entityDisplayID" click="new HistoryDialog().init(selectedEntity);" paddingLeft="4" paddingBottom="3">
 128                 <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
 129               </mx:Label>
 130                   <mx:PopUpButton id="entitySelectButton" arrowButtonWidth="12" paddingLeft="0" paddingRight="0"
 131                                   width="12" height="12" enabled="false"
 132                                   creationComplete="{createEntityMenu(PopUpButton(event.target));}" />
 133           </mx:HBox>
 134
 135   </mx:VBox>
 136
 137   <!-- Multiple selection -->
 138
 139   <mx:VBox id="multiplePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 140     <potlatch2:TagGrid id="multiAdvancedTagGrid" width="100%" height="75%" />
 141         <mx:HBox horizontalAlign="right" width="100%">
 142           <mx:LinkButton label="Delete" click="multiAdvancedTagGrid.removeTag()" enabled="{multiAdvancedTagGrid.selectedItem != null? true : false}"/>
 143           <mx:LinkButton label="Add" click="multiAdvancedTagGrid.addNewTag()" />
 144         </mx:HBox>
 145
 146     <mx:DataGrid editable="true" width="100%" height="25%" id="multiRelationsGrid"
 147         doubleClickEnabled="true"
 148         itemDoubleClick="editRelation(multiRelationsGrid.selectedItem.id)"
 149         doubleClick="if (event.target.parent==multiRelationsGrid) { addToRelation(); }">
 150         <mx:columns>
 151             <mx:DataGridColumn editable="false" dataField="description" headerText="Relation">
 152                 <mx:itemRenderer>
 153                     <fx:Component>
 154                         <mx:Text x="4" y="0" width="100%" selectable="false" htmlText="{outerDocument.adaptHTMLDescription(data.description)}" height="20"/>
 155                     </fx:Component>
 156                 </mx:itemRenderer>
 157             </mx:DataGridColumn>
 158             <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
 159             <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
 160                 <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
 161             </mx:DataGridColumn>
 162                         <mx:DataGridColumn width="40" minWidth="40" editable="false">
 163                                 <mx:itemRenderer>
 164                                         <fx:Component>
 165                             <mx:HBox horizontalAlign="center" verticalAlign="middle">
 166                                                         <mx:PopUpButton arrowButtonWidth="12" paddingLeft="0" paddingRight="0" width="12" height="12"
 167                                                                         open="{outerDocument.updateRelationMenu(event);}"
 168                                                                         creationComplete="{outerDocument.createRelationMenu(PopUpButton(event.target));}"/>
 169                                                         <mx:Image source="@Embed('../../../embedded/delete_small.svg')"
 170                                                                   click='event.stopPropagation();outerDocument.removeFromRelation(data.id);'
 171                                                                   buttonMode="true" useHandCursor="true" width="12" height="12" />
 172                                                 </mx:HBox>
 173                                         </fx:Component>
 174                                 </mx:itemRenderer>
 175                         </mx:DataGridColumn>
 176         </mx:columns>
 177     </mx:DataGrid>
 178     <mx:HBox horizontalAlign="right" width="100%">
 179       <mx:LinkButton label="Remove from" click="removeFromRelation(multiRelationsGrid.selectedItem.id)"
 180                       enabled="{multiRelationsGrid.selectedItem != null? true : false}"/>
 181       <mx:LinkButton label="Add to" click="addToRelation()"/>
 182     </mx:HBox>
 183
 184   </mx:VBox>
 185
 186   <!-- Multiple selection but items cannot be edited -->
 187
 188   <mx:VBox id="multipleInvalidPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 189         <mx:Text id="multipleInvalidPanelText" text="You have selected multiple items." width="100%" styleName="helpInfo" />
 190   </mx:VBox>
 191
 192   <!-- Generic marker panel -->
 193
 194   <mx:VBox id="markerPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 195     <sidepanel:MarkerPanel id="markerPanelContents" width="100%"/>
 196   </mx:VBox>
 197
 198   <!-- Bug editing panel -->
 199
 200   <mx:VBox id="bugPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 201     <sidepanel:BugPanel id="bugPanelContents" width="100%"/>
 202   </mx:VBox>
 203
 204   <!-- Background layer selection -->
 205
 206   <mx:VBox id="backgroundPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 207     <sidepanel:BackgroundPanel id="backgroundPanelContents" width="100%"/>
 208   </mx:VBox>
 209
 210   <!-- merge tags from background layer -->
 211
 212   <mx:VBox id="backgroundMergePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 213     <sidepanel:BackgroundMergePanel id="backgroundMergePanelContents" width="100%" />
 214   </mx:VBox>
 215
 216 </mx:ViewStack>
 217
 218   <fx:Script><![CDATA[
 219       import net.systemeD.halcyon.connection.*;
 220       import net.systemeD.halcyon.MapPaint;
 221       import net.systemeD.potlatch2.EditController;
 222       import net.systemeD.potlatch2.mapfeatures.*;
 223       import net.systemeD.potlatch2.history.HistoryDialog;
 224       import net.systemeD.potlatch2.mapfeatures.editors.*;
 225       import net.systemeD.potlatch2.utils.*;
 226       import net.systemeD.controls.CollapsiblePanel;
 227
 228       import mx.collections.*;
 229       import mx.containers.VBox;
 230       import mx.containers.HBox;
 231       import mx.containers.TabNavigator;
 232       import mx.containers.Accordion;
 233       import mx.events.*;
 234       import mx.core.*;
 235       import mx.managers.PopUpManager;
 236       import mx.controls.Menu;
 237       import mx.controls.Alert;
 238       import flash.geom.Point;
 239       import flash.net.*;
 240       import mx.events.DragEvent;
 241       import mx.managers.DragManager;
 242       import mx.core.DragSource;
 243       import mx.controls.TabBar;
 244       import spark.components.Form;
 245       import spark.layouts.FormLayout;
 246 //    import flexlib.containers.SuperTabNavigator;
 247
 248       [Bindable] [Embed(source="../../../embedded/tab_basic.png"       )] private var tabIconBasic:Class;
 249       [Bindable] [Embed(source="../../../embedded/tab_address.png"     )] private var tabIconAddress:Class;
 250       [Bindable] [Embed(source="../../../embedded/tab_cycle.png"       )] private var tabIconCycle:Class;
 251       [Bindable] [Embed(source="../../../embedded/tab_details.png"     )] private var tabIconDetails:Class;
 252       [Bindable] [Embed(source="../../../embedded/tab_restrictions.png")] private var tabIconRestrictions:Class;
 253       [Bindable] [Embed(source="../../../embedded/tab_transport.png"   )] private var tabIconTransport:Class;
 254       [Bindable] [Embed(source="../../../embedded/tab_walk.png"        )] private var tabIconWalk:Class;
 255       private var tabIcons:Object= { Basic:tabIconBasic, Details:tabIconDetails, Address:tabIconAddress, Walk:tabIconWalk, Cycle:tabIconCycle,
 256                                          Transport:tabIconTransport, Restrictions:tabIconRestrictions};
 257
 258       private var editorStackTabNavigator:TabNavigator;
 259       private var editorStackAccordion:Accordion;
 260       [Bindable] private var editorStack:Container;
 261
 262       public var mapFeatures:MapFeatures;
 263       public var controller:EditController;
 264       private var selectedEntity:Entity;
 265       private var relatedEntities:Array;
 266       private var connection:Connection;
 267       private var currentCategorySelector:CategorySelector;
 268       private var categorySelectors:Object = {};        // hash of categorySelectors for each limitType
 269       private var categorySelectorEntity:Entity;        // entity used to draw the most recent categorySelector
 270       private var categorySelectorLimitType:String;     // limit type used to draw the most recent categorySelector
 271       private var feature:Feature = null;
 272
 273       private var rowData:Object;               // relation membership reference, needed so it's accessible from relation actions menu
 274
 275           /** Set the entity for the tag viewer, and refresh all the UI
 276            *  If autoselect is true, then the tag viewer may choose to show a 'parent' multipolygon element instead
 277            */
 278           public function setEntity(entities:Array, layer:MapPaint=null, autoselect:Boolean=true):void {
 279                 UIComponent.suspendBackgroundProcessing();
 280                 connection=null;
 281
 282                 var firstSelected:Entity=null;
 283                 if (entities.length==1) { firstSelected=entities[0]; }
 284
 285                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 286                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 287                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 288                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 289                         if (selectedEntity is EntityCollection) EntityCollection(selectedEntity).releaseListeners();
 290                 }
 291
 292                 if (entities.length==0) {
 293                         // Nothing selected, so show drag-and-drop panel
 294                         sidebar.selectedChild = dndPanel;
 295                         selectedEntity=null;
 296
 297                 } else if (entities.length==1) {
 298                         // Single entity selected, so show tag panel
 299                         var lastSelected:Entity = selectedEntity;
 300                         if (autoselect) {
 301                                 relatedEntities = firstSelected.getRelatedEntities();
 302                                 selectedEntity = relatedEntities[0];
 303                         } else {
 304                                 selectedEntity = firstSelected;
 305                         }
 306                         if (lastSelected!=selectedEntity) { relatedEntities[0].addEventListener(Connection.TAG_CHANGED, tagChanged, false, 0, true); }
 307
 308                         updateEntityMenuDataProvider();
 309                         connection=firstSelected.connection;
 310                         if (entityDisplayID!=null) {
 311                                 setupAdvanced(selectedEntity);
 312                                 updateEntityDisplay(selectedEntity);
 313                         }
 314                         if (selectedEntity is Relation) { stack.addChild(membersVBox); }
 315                         else if (membersVBox.parent==stack) { stack.removeChild(membersVBox); }
 316             if (selectedEntity is Marker && connection is BugConnection) {
 317               bugPanelContents.init(selectedEntity, BugConnection(connection));
 318               sidebar.selectedChild = bugPanel;
 319             } else if (selectedEntity is Marker) {
 320               markerPanelContents.init(selectedEntity, layer);
 321               sidebar.selectedChild = markerPanel;
 322             } else if (connection is SnapshotConnection) {
 323               backgroundPanelContents.init(selectedEntity);
 324               sidebar.selectedChild = backgroundPanel;
 325             } else {
 326               refreshFeatureIcon();
 327               initialiseEditors();
 328               sidebar.selectedChild = tagsPanel;
 329             }
 330
 331         } else if (entities.length==2
 332                       && xor(entities[0].connection is SnapshotConnection, entities[1].connection is SnapshotConnection)
 333                       && xor(!controller.map.getLayerForEntity(entities[0]).isBackground, !controller.map.getLayerForEntity(entities[1]).isBackground) ) {
 334             backgroundMergePanelContents.init(entities);
 335             sidebar.selectedChild = backgroundMergePanel;
 336                         // ** FIXME: do we need to set selectedEntity here?
 337
 338                 } else if(isMultipleEditable(entities)) {
 339                         selectedEntity = new EntityCollection(entities);
 340                         selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged, false, 0, true);
 341             sidebar.selectedChild = multiplePanel;
 342                         setupMultiAdvanced(selectedEntity);
 343                         connection=entities[0].connection;
 344
 345                 } else {
 346                         //The selection contains elements which can't be edited all together.
 347                         sidebar.selectedChild = multipleInvalidPanel;
 348                         selectedEntity=null;
 349                 }
 350                 UIComponent.resumeBackgroundProcessing();
 351       }
 352
 353       private function xor(a:Boolean, b:Boolean):Boolean {
 354           return ( a || b) && !(a && b);
 355       }
 356
 357       private function refreshFeatureIcon():void {
 358           var oldFeature:Feature = feature;
 359           var oldEntity:Entity = categorySelectorEntity;
 360
 361           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 362           if (oldFeature==feature &&
 363               categorySelectorEntity==selectedEntity &&
 364               categorySelectorLimitType==limitType(selectedEntity)) {
 365               updateCategoryImageAndText(selectedEntity,feature);
 366               return;
 367           }
 368
 369           categorySelectorEntity=selectedEntity;
 370           categorySelectorLimitType=limitType(selectedEntity);
 371           if ( oldFeature != null ) { oldFeature.removeEventListener("imageChanged", featureImageChanged); }
 372           if ( feature != null )    { feature.addEventListener("imageChanged", featureImageChanged); }
 373                   setCategorySelector(selectedEntity, feature);
 374       }
 375
 376       private function featureImageChanged(event:Event):void {
 377           setCategorySelector(selectedEntity, feature);
 378       }
 379
 380
 381       /** Set the icon, categorySelector and help text for the current entity. */
 382       private function setCategorySelector(entity:Entity, feature:Feature):void {
 383                         // Remove the "user has selected something" event listener from previous categorySelector,
 384                         // and make it invisible because Flex is crap at updating click areas otherwise
 385                         if (currentCategorySelector) {
 386                                 currentCategorySelector.removeEventListener("selectedType", changeFeatureType);
 387                                 currentCategorySelector.visible=false;
 388                         }
 389
 390                         // Have we cached the categorySelector for this limitType? If not, create one
 391                         var lt:String=limitType(entity);
 392                         if (!categorySelectors[lt]) {
 393                                 categorySelectors[lt]=new CategorySelector();
 394                                 categorySelectors[lt].setLimitTypes(lt);
 395                         }
 396                         currentCategorySelector=categorySelectors[lt];
 397                         currentCategorySelector.addEventListener("selectedType", changeFeatureType, false, 0, true);
 398
 399                         updateCategoryImageAndText(entity,feature);
 400                         currentCategorySelector.setSelectedFeature(feature);
 401
 402                         // Set it as the popup, and make sure it's visible
 403                         popupChange.popUp=currentCategorySelector;
 404                         currentCategorySelector.visible=true;
 405       }
 406
 407       private function updateCategoryImageAndText(entity:Entity, feature:Feature):void {
 408                         if (feature) {
 409                                 iconImage.source = feature.image;
 410                                 iconText.htmlText = feature.htmlDetails(entity);
 411                                 popupChange.label = feature.name;
 412                                 helpLabel.visible = feature.hasHelpURL();
 413                                 setSummary('');
 414                         } else {
 415                                 iconImage.source = null;
 416                                 popupChange.label = "unknown";
 417                                 helpLabel.visible = false;
 418                                 if (entity==null) {
 419                                         iconText.htmlText = "<i>Nothing selected</i>";
 420                                         setSummary('');
 421                                 } else if (entity.hasTags() || entity.parentRelations.length>0) {
 422                                         iconText.htmlText = "<b>Not recognised</b><br/><font size='10pt'>Try looking at the tags under the advanced properties</font>";
 423                                         setSummary(tagSummary(entity));
 424                                 } else {
 425                                         iconText.htmlText = "<b>No tags set</b><br/><font size='10pt'>Please use the menu below to define what this "+entity.getType()+" is</font>";
 426                                         setSummary('');
 427                                 }
 428                         }
 429           }
 430
 431         /** Construct an HTML string that summarises the tags and relation memberships of an object. */
 432         private function tagSummary(entity:Entity):String {
 433                 // Process tags
 434                 var tags:Object=entity.getTagsCopy();
 435                 var len:uint=entity.getTagList().length;
 436                 var expl:Array=[];
 437                 var t:String="none";
 438                 if (tags['name']) {
 439                         expl.push("<b>"+tags['name']+"</b>"); delete tags['name']; len--;
 440                 }
 441                 for (var k:String in tags) {
 442                         if (nounKeys.indexOf(k)>-1) {
 443                                 expl.push("<b>"+k+"</b>="+tags[k]); len--;
 444                         }
 445                 }
 446                 if (expl.length) {
 447                         switch (len) {
 448                                 case 1:         expl.push("and 1 other tag"); break;
 449                                 case 0:         break;
 450                                 default:        expl.push("and "+len+" other tags"); break;
 451                         }
 452                         t=expl.join('; ');
 453                 } else if (len>0) {
 454                         t=entity.getTagList().toString();
 455                 }
 456
 457                 // Process relations
 458                 expl=[];
 459                 for each (var rel:Relation in entity.parentRelations) {
 460                         tags=rel.getTagsHash();
 461                         if (tags['type'] && tags['name']) { expl.push("<b>"+tags['type']+"</b> ("+tags['name']+")"); }
 462                         else if (tags['type']) { expl.push("<b>"+tags['type']+"</b>"); }
 463                         else if (tags['name']) { expl.push(tags['name']); }
 464                         else if (tags['ref' ]) { expl.push(tags['ref']); }
 465                         else { expl.push('unknown'); }
 466                 }
 467
 468                 // Assemble complete string
 469                 return "<p>Tags: "+t+(expl.length ? "<br>Relations: "+expl.join('; ') : '')+" <b>(<a href='event:openAdvanced'>edit</a>)</b></p>";
 470         }
 471
 472         /** List of 'noun' keys (i.e. those that define the type of the object, rather than its properties). FIXME: should be defined in a config file. */
 473         private static var nounKeys:Array=['amenity','barrier','boundary','building','construction','highway','historic','landuse','leisure',
 474                                            'man_made','natural','office','place','power','railway','service','shop','tourism','traffic_calming','waterway'];
 475
 476         private function setSummary(text:String):void {
 477                 featureSummary.htmlText=text;
 478                 summaryContainer.visible=(text!='');
 479         }
 480
 481           private function isMultipleEditable(entities:Array):Boolean {
 482                 for each(var entity:Entity in entities) {
 483                         if(!(entity is Node || entity is Way))
 484                                 return false;
 485                 }
 486                 return true;
 487           }
 488
 489       private function limitType(entity:Entity):String {
 490           if      (entity is Node    ) return "point";
 491           else if (entity is Way     ) return Way(entity).isArea() ? "area" : "line";
 492           else if (entity is Relation) return Relation(entity).getRelationType()=='multipolygon' ? "area" : "relation";
 493           return null;
 494       }
 495
 496       private var tabComponents:Object = {};
 497       private var subpanelComponents:Object = {};
 498
 499       private function initialiseEditors():void {
 500                 editorStack.removeAllChildren();
 501                 if ( selectedEntity == null || feature == null )
 502                         return;
 503
 504                 var basicEditorBox:VBox = createEditorBox();
 505                 basicEditorBox.label = "Basic";
 506                 basicEditorBox.icon=tabIconBasic;
 507                 editorStack.addChild(basicEditorBox);
 508
 509                 var tabs:Object = {};
 510                 var tabList:Array = [];
 511                 tabComponents = {};
 512                 var subpanels:Object = {};
 513                 subpanelComponents = {};
 514
 515                 // First create the tabs
 516                 for each (var factory:EditorFactory in feature.editors) {
 517                         var category:String = factory.category;
 518                         if (category!='') {
 519                                 var tab:VBox = tabs[category];
 520                                 if ( tab == null) {
 521                                         tab = createEditorBox();
 522                                         tab.label = category;
 523                                         if (tabIcons[category]) tab.icon=tabIcons[category];
 524                                         tabs[category] = tab;
 525                                         tabList.push(tab);
 526                                 }
 527                         }
 528                 }
 529
 530                 // Put the tabs on-screen in order
 531                 tabList.sort(sortCategories,16);
 532                 for each (tab in tabList) {
 533                         editorStack.addChild(tab);
 534                         tabComponents[tab] = [];
 535                 }
 536
 537                 // Then add the individual editors to them
 538                 for each (factory in feature.editors) {
 539
 540                         // Add to basic editor box first
 541                         if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 542                                 var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 543                                 if (editor) Form(basicEditorBox.getChildByName("form")).addElement(UIComponent(editor));
 544                         }
 545
 546                         // Then prepare to add to category panel
 547                         category=factory.category;
 548                         if (factory.category=='') continue;
 549                         var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 550                         if (!catEditor) continue;
 551                         tab=tabs[category];
 552
 553                         // Create subcategory panel if needed
 554                         if (factory.subcategory) {
 555                                 var subcategory:String = factory.subcategory;
 556                                 if (!subpanels[category]) { subpanels[category]={}; }
 557                                 var subpanel:CollapsiblePanel = subpanels[category][subcategory];
 558                                 if (!subpanel) {
 559                                         subpanel=new CollapsiblePanel(false);
 560                                         subpanel.percentWidth=100;
 561                                         subpanel.styleName="subcategoryPanel";
 562                                         subpanel.title=subcategory;
 563                                         subpanels[category][subcategory]=subpanel;
 564                                         addConstrainedForm(subpanel);
 565                                         tabComponents[tab].push(subpanel);
 566                                 }
 567                                 Form(subpanel.getChildByName("form")).addElement(UIComponent(catEditor));
 568                         } else {
 569                                 tabComponents[tab].push(catEditor);
 570                         }
 571                 }
 572       }
 573
 574         // ** FIXME: Order probably shouldn't be hard-coded, but configurable
 575         private static var categoryOrder:Array=["Restrictions","Transport","Cycle","Walk","Address","Details"]; // reverse order
 576         private function sortCategories(a:VBox,b:VBox):int {
 577                 var a1:int=categoryOrder.indexOf(a.label);
 578                 var a2:int=categoryOrder.indexOf(b.label);
 579                 if (a1<a2) { return 1; }
 580                 else if (a1>a2) { return -1; }
 581                 return 0;
 582         }
 583
 584         private function createEditorBox():VBox {
 585                 var box:VBox = new VBox();
 586                 box.percentWidth = 100;
 587                 box.percentHeight = 100;
 588                 box.styleName = "dndEditorContainer";
 589                 addConstrainedForm(box);
 590                 return box;
 591         }
 592
 593         private function addConstrainedForm(parentObject:DisplayObjectContainer):void {
 594                 var form:Form = new Form();
 595                 form.name = "form";
 596                 form.percentWidth=100;
 597                 form.addEventListener(mx.events.ResizeEvent.RESIZE, formResizeHandler, false, 0, true);
 598                 parentObject.addChild(form);
 599                 if (parentObject.width>0) form.maxWidth=parentObject.width;
 600         }
 601
 602         private function formResizeHandler(e:Event):void {
 603                 var form:Form=Form(e.target);
 604                 if (form.parent.width>0) form.maxWidth=form.parent.width;
 605         }
 606
 607         private function ensureEditorsPopulated(tab:VBox):void {
 608                 var components:Array = tabComponents[tab];
 609                 var form:Form=Form(tab.getChildByName("form"));
 610                 if ( components == null || tab == null || form.numElements >= components.length ) return;
 611                 for each (var component:DisplayObject in components ) {
 612                         form.addElement(UIComponent(component));
 613                 }
 614         }
 615
 616         private function initEditorStackUIs():void {
 617                 editorStackTabNavigator = new TabNavigator();
 618                 editorStackTabNavigator.creationPolicy="auto";
 619                 editorStackTabNavigator.percentWidth=100;
 620                 editorStackTabNavigator.percentHeight=100;
 621                 editorStackTabNavigator.styleName="dndStackTab";
 622
 623                 editorStackAccordion = new Accordion();
 624                 editorStackAccordion.percentWidth=100;
 625                 editorStackAccordion.percentHeight=100;
 626                 editorStackAccordion.creationPolicy="auto";
 627                 editorStackAccordion.styleName="dndStackAccordion";
 628                 /* FIXME: the accordion icons should be right-aligned. See:
 629                 http://www.kristoferjoseph.com/blog/2008/11/06/positioning-the-flex-accordion-header-icon
 630                 http://blog.flexexamples.com/2007/09/13/changing-text-alignment-in-an-flex-accordion-header/
 631                 */
 632
 633                 setEditorStackUI(true);
 634         }
 635
 636         private function setEditorStackUI(isTabbed:Boolean):void {
 637                 var children:Array=[]; var i:uint;
 638
 639                 if (editorStack) {
 640                         // blank existing component
 641                         editorStack.removeEventListener("change",editorStackUIChange);
 642                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 643                         editorStack.removeAllChildren();
 644                         editorContainer.removeChildAt(1);
 645                 }
 646
 647                 // replace with new component
 648                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 649                 editorContainer.addChild(editorStack);
 650
 651                 // re-add children and listeners
 652                 initialiseEditors();
 653                 editorStack.addEventListener("change",editorStackUIChange);
 654                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 655         }
 656
 657         private function editorStackUIChange(event:Event):void {
 658                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 659         }
 660
 661         private function editorStackUIUpdate(event:Event):void {
 662                 if (editorStack is TabNavigator) {
 663                         var e:TabNavigator = editorStack as TabNavigator;
 664                         if (e.selectedIndex<0) { return; }
 665                         for (var i:uint=0; i<e.numChildren; i++) {
 666                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 667                         }
 668                 }
 669         }
 670
 671
 672         public function togglePanel():void {
 673                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 674                         stack.selectedChild=advancedContainer;
 675                 } else if (stack.selectedChild!=editorContainer) {
 676                         stack.selectedChild=editorContainer;
 677                 }
 678         }
 679
 680         public function selectAdvancedPanel():void {
 681                 checkAdvanced();
 682                 stack.selectedChild=advancedContainer;
 683         }
 684
 685         private function checkAdvanced():void {
 686                 if ( selectedEntity != null ) {
 687                         setupAdvanced(selectedEntity);
 688                         updateEntityDisplay(selectedEntity);
 689                 }
 690         }
 691
 692       private var listeningToRelations:Array = [];
 693
 694         private function updateEntityDisplay(entity:Entity):void {
 695                 if ( entity == null ) {
 696                         entityDisplayID.htmlText = "";
 697                 } else {
 698                         var entityText:String = "xx";
 699                         if      ( entity is Node     ) entityText = "Node";
 700                         else if ( entity is Way      ) entityText = "Way";
 701                         else if ( entity is Relation ) entityText = "Relation";
 702                         entityDisplayID.htmlText = entityText+": <b>"+entity.id+"</b> "+(entity.status ? entity.status : '');
 703                 }
 704         }
 705
 706         [bindable] private var entityMenuList:ArrayCollection = new ArrayCollection([]);
 707
 708         // Create drop-down entity select menu (for multipolygons)
 709         private function createEntityMenu(button:PopUpButton):void {
 710                 var menu:Menu = new Menu();
 711                 menu.dataProvider = entityMenuList;
 712                 button.popUp = menu;
 713                 menu.addEventListener("itemClick", selectEntityMenu);
 714         }
 715
 716         // Update entries in entity select menu
 717         private function updateEntityMenuDataProvider():void {
 718                 entityMenuList.removeAll();
 719                 for each (var e:Entity in relatedEntities) {
 720                         entityMenuList.addItem({ label: e.getType()+" "+e.id, data: e });
 721                 }
 722                 entitySelectButton.enabled = relatedEntities.length>1;
 723         }
 724
 725         // An entity has been selected from the drop-down menu
 726         private function selectEntityMenu(event:MenuEvent):void {
 727                 selectedEntity = event.item.data;
 728                 setEntity([selectedEntity],null,false);
 729         }
 730
 731       private function setupAdvanced(entity:Entity):void {
 732                 if (!advancedTagGrid) advancedContainer.createComponentsFromDescriptors();      // if Flex hasn't created it, force it
 733                 advancedTagGrid.init(entity);
 734                 removeRelationListeners();
 735
 736                 if ( entity == null ) {
 737                         relationsGrid.dataProvider = null;
 738                 } else {
 739                         resetRelationsGrid(entity);
 740                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 741                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 742                 }
 743       }
 744
 745           private function setupMultiAdvanced(entity:Entity):void {
 746                 multiAdvancedTagGrid.init(entity);
 747                 resetRelationsGrid(entity);
 748                 entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation, false, 0, true);
 749                 entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation, false, 0, true);
 750       }
 751
 752           public function addNewTag():void {
 753                 if (sidebar.selectedChild==multiplePanel) { multiAdvancedTagGrid.addNewTag(); }
 754                 else if (stack.selectedChild==advancedContainer) { advancedTagGrid.addNewTag(); }
 755           }
 756
 757       private function addedToRelation(event:RelationMemberEvent):void {
 758          resetRelationsGrid(selectedEntity);
 759          refreshFeatureIcon();
 760       }
 761
 762       private function removedFromRelation(event:RelationMemberEvent):void {
 763          resetRelationsGrid(selectedEntity);
 764          refreshFeatureIcon();
 765       }
 766
 767       private function removeRelationListeners():void {
 768           for each( var rel:Relation in listeningToRelations ) {
 769               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 770               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 771               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 772           }
 773           listeningToRelations = [];
 774           if (relationsGrid) relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 775           if (multiRelationsGrid) multiRelationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 776       }
 777
 778       private function resetRelationsGrid(entity:Entity):void {
 779           removeRelationListeners();
 780
 781           var instance:DataGrid=relationsGrid;
 782           if (entity is EntityCollection) instance=multiRelationsGrid;
 783           var memberships:Array = entity.getRelationMemberships();
 784           for each (var m:Object in memberships) {
 785               m.relation.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 786               m.relation.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 787               m.relation.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 788               listeningToRelations.push(m.relation);
 789           }
 790           instance.dataProvider = memberships;
 791           instance.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 792       }
 793
 794       private function relationRoleChanged(event:DataGridEvent):void {
 795                 if (!selectedEntity) return;
 796                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 797
 798                 var relations:Array=event.currentTarget.dataProvider.toArray();
 799                 var props:Object=relations[event.rowIndex];
 800
 801                 var relation:Relation=props['relation'];
 802                 var newRole:String=event.itemRenderer.data['role'];
 803
 804                 if (selectedEntity is EntityCollection) {
 805                         if (newRole==EntityCollection.DIFFERENT) return;
 806                         for each (var entity:Entity in EntityCollection(selectedEntity).entities) {
 807                                 var indexes:Array=relation.findEntityMemberIndexes(entity);
 808                                 for each (var index:int in indexes) {
 809                                         relation.setMember(index, new RelationMember(entity,newRole), MainUndoStack.getGlobalStack().addAction);
 810                                 }
 811                         }
 812                 } else {
 813                         relation.setMember(props['index'], new RelationMember(selectedEntity,newRole), MainUndoStack.getGlobalStack().addAction);
 814                 }
 815       }
 816
 817       private function relationTagChanged(event:TagEvent):void {
 818           if (!selectedEntity) return;
 819           resetRelationsGrid(selectedEntity);
 820           refreshFeatureIcon();
 821       }
 822
 823       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 824           if (!selectedEntity) return;
 825           resetRelationsGrid(selectedEntity);
 826       }
 827
 828       private function checkMembers():void {
 829           if (selectedEntity is Relation) {
 830             setupMembers(selectedEntity as Relation);
 831           }
 832       }
 833
 834       private function setupMembers(rel:Relation):void {
 835           var members:Array = [];
 836           for (var i:int=0 ; i<rel.length; i++) {
 837             var props:Object = {};
 838             var member:RelationMember = rel.getMember(i);
 839             props["id"] = member.entity.id;
 840             props["type"] = member.entity.getType();
 841             props["role"] = member.role;
 842
 843             members.push(props);
 844           }
 845           membersGrid.dataProvider = members;
 846           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 847       }
 848
 849       private function membersChange(event:Event):void {
 850           // Dropping all the members and re-adding them isn't exactly optimal
 851           // but is at least robust for any kind of change.
 852           // Figuring out a better way is someone else's FIXME
 853
 854           var rel:Relation = selectedEntity as Relation;
 855           var action:CompositeUndoableAction = new CompositeUndoableAction("Rearrange relation members for "+rel);
 856
 857           // drop members
 858           for (var i:int=rel.length-1 ; i>=0; i--) {
 859             rel.removeMemberByIndex(i, action.push);
 860           }
 861
 862           // add members in new order
 863           for each(var memberObject:Object in membersGrid.dataProvider) {
 864             var e:Entity;
 865             var id:Number = memberObject.id;
 866                         switch (memberObject.type) {
 867                                 case 'node':            e = connection.getNode(id); break;
 868                 case 'way':                     e = connection.getWay(id); break;
 869                                 case 'relation':        e = connection.getRelation(id); break;
 870             }
 871             rel.appendMember(new RelationMember(e, memberObject.role), action.push);
 872           }
 873           MainUndoStack.getGlobalStack().addAction(action);
 874       }
 875
 876       private function editRelation(id:Number):void {
 877           var panel:RelationEditorPanel = RelationEditorPanel(
 878               PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
 879           panel.setRelation(connection.getRelation(id));
 880           PopUpManager.centerPopUp(panel);
 881       }
 882
 883         /** Create relation actions menu */
 884
 885         public function createRelationMenu(button:PopUpButton):void {
 886                 var menu:Menu = new Menu();
 887                 var dp:Object = [ {label: "Select all members"},
 888                                                   {label: "Deselect all members"},
 889                                                   {label: "Add selection to this relation", enabled: false},
 890                                                   {label: "Delete relation"},
 891                                                   {label: "Assign to F1"},
 892                                                   {label: "Assign to F2"},
 893                                                   {label: "Assign to F3"},
 894                                                   {label: "Assign to F4"} ];
 895                 menu.dataProvider = dp;
 896                 menu.addEventListener("itemClick", selectRelationMenu);
 897                 button.popUp = menu;
 898         }
 899
 900         /** Enable 'add selection to...' entry only if some of the selection isn't in the relation.
 901             Called each time the menu is clicked. */
 902
 903         public function updateRelationMenu(event:Event):void {
 904                 rowData=event.target.parent.data;       // this makes it accessible from selectRelationMenu
 905                 var menu:Menu = Menu(event.target.popUp);
 906                 var enable:Boolean = false;
 907                 if (selectedEntity != null && selectedEntity is EntityCollection) {
 908                         // Enable only if some entities aren't a member of the relation
 909                         enable=!rowData.universal;
 910                 }
 911                 if (enable==menu.dataProvider[2].enabled) return;
 912                 menu.dataProvider[2].enabled=enable;
 913                 menu.invalidateList();
 914         }
 915
 916         /** Do the action selected in the relation actions menu */
 917
 918         public function selectRelationMenu(event:MenuEvent):void {
 919                 var rel:Relation=rowData.relation;
 920                 var entities:Array;
 921                 var controller:EditController=FlexGlobals.topLevelApplication.theController;
 922                 switch (event.index) {
 923                         case 0: // Select all members
 924                                 entities=selectedEntity.entities.concat(rel.memberEntities);
 925                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return arr.indexOf(e) == i } );      // remove duplicates
 926                                 // ** FIXME: This is a really horrible way of changing the controller state
 927                                 controller.setState(controller.findStateForSelection(entities));
 928                                 break;
 929
 930                         case 1: // Deselect all members
 931                                 entities=selectedEntity.entities;
 932                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return !e.hasParent(rel) } );
 933                                 controller.setState(controller.findStateForSelection(entities));
 934                                 break;
 935
 936                         case 2: // Add selection to this relation
 937                                 var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 938                                 for each (var entity:Entity in selectedEntity.entities) {
 939                                         if (!entity.hasParent(rel)) {
 940                                                 rel.appendMember(new RelationMember(entity,''), undo.push);
 941                                         }
 942                                 }
 943                                 MainUndoStack.getGlobalStack().addAction(undo);
 944                                 break;
 945
 946                         case 3: // Delete relation
 947                                 var warning:String="This relation has # members. Deleting it will affect all of them and erase this $. Are you really sure?";
 948                                 warning=warning.replace("#",rel.length).replace("$",rel.getRelationType());
 949                                 Alert.show(warning,"Are you sure?",Alert.YES | Alert.CANCEL,null,
 950                                         function(event:CloseEvent):void {
 951                                                 if (event.detail==Alert.CANCEL) return;
 952                                                 rel.remove(MainUndoStack.getGlobalStack().addAction);
 953                                         } , null, Alert.CANCEL);
 954                                 break;
 955
 956                         case 4: // Function key assignment
 957                         case 5:
 958                         case 6:
 959                         case 7:
 960                                 FunctionKeyManager.instance().setKey(event.index-3, 'Add to relation',String(rel.id));
 961                                 break;
 962                 }
 963         }
 964
 965       private function tagChanged(event:TagEvent):void {
 966           refreshFeatureIcon();
 967       }
 968
 969       public function loadFeatures():void {
 970           mapFeatures = MapFeatures.getInstance();
 971           stack.removeChild(membersVBox); // remove by default, will be added if relation
 972       }
 973
 974       /** Open up a new browser page, showing the help page as defined in Map Features XML file .*/
 975       public function openDescription():void {
 976           if ( feature != null && feature.hasHelpURL() )
 977               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 978       }
 979
 980       /** Slightly poshify the description by making it HTML.
 981           In theory we could have embedded images here, but htmlText is completely broken. **/
 982       public function adaptHTMLDescription(text:String):String {
 983           text=text.replace(/^route (\w+) /,"<b>$1</b> ");
 984           text=text.replace(/ncn (\d+)/,"<font color='#FF0000'>$1</font>");
 985           text=text.replace(/rcn (\d+)/,"<font color='#00CCCC'>$1</font>");
 986           text=text.replace(/lcn (\d+)/,"<font color='#0000FF'>$1</font>");
 987           return text;
 988       }
 989
 990       public function addToRelation():void {
 991           new RelationSelectPanel().init(selectedEntity,new Object());
 992       }
 993
 994       public function removeFromRelation(id:Number, index:int=-1):void {
 995                 var rel:Relation=connection.getRelation(id);
 996                 if (index>-1) {
 997                         rel.removeMemberByIndex(index, MainUndoStack.getGlobalStack().addAction);
 998                 } else if (selectedEntity is EntityCollection) {
 999                         var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
1000                         for each (var e:Entity in EntityCollection(selectedEntity).entities) rel.removeMember(e,undo.push);
1001                         MainUndoStack.getGlobalStack().addAction(undo);
1002                 }
1003       }
1004
1005       public function changeFeatureType(event:Event):void {
1006           if ( selectedEntity == null )
1007               return;
1008
1009           UIComponent.suspendBackgroundProcessing();
1010           var newFeature:Feature = currentCategorySelector.selectedType;
1011           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
1012           var action:CompositeUndoableAction = new CompositeUndoableAction(
1013                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
1014                   selectedEntity.suspend();
1015
1016           // build a list of tags that are editable in new feature
1017           var editableTags:Array = new Array();
1018           for each( var editor:EditorFactory in newFeature.editors ) {
1019               if ( editor is SingleTagEditorFactory ) {
1020                   var singleTagEditor:SingleTagEditorFactory = editor as SingleTagEditorFactory;
1021                   editableTags.push(singleTagEditor.key);
1022               }
1023           }
1024
1025           // remove tags from the current feature
1026           // (but don't drop multipolygon tags)
1027           if ( feature != null ) {
1028               for each( var oldtag:Object in feature.tags ) {
1029                   if (oldtag["k"]=='type' && oldtag["v"]=='multipolygon' && selectedEntity is Relation) { continue; }
1030                   if ( editableTags.indexOf(oldtag["k"]) < 0 ) {
1031                       selectedEntity.setTag(oldtag["k"], null, action.push);
1032                   }
1033               }
1034           }
1035
1036           // set tags for new feature
1037           if ( newFeature != null ) {
1038               for each( var newtag:Object in newFeature.tags ) {
1039                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
1040               }
1041           }
1042
1043                   selectedEntity.resume();
1044           undoStack(action);
1045           popupChange.close();
1046           initialiseEditors();
1047           UIComponent.resumeBackgroundProcessing();
1048       }
1049
1050   ]]></fx:Script>
1051 </mx:VBox>
1052