net/systemeD/potlatch2/TagViewer.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:VBox
   3     xmlns:fx="http://ns.adobe.com/mxml/2009"
   4         xmlns:mx="library://ns.adobe.com/flex/mx"
   5         xmlns:flexlib="flexlib.containers.*"
   6         xmlns:controls="net.systemeD.controls.*"
   7         xmlns:potlatch2="net.systemeD.potlatch2.*"
   8     xmlns:sidepanel="net.systemeD.potlatch2.panels.*"
   9         horizontalScrollPolicy="off"
  10     backgroundColor="white"
  11     initialize="loadFeatures()">
  12
  13 <mx:ViewStack id="sidebar" width="100%" height="100%" creationPolicy="all">
  14
  15   <!-- Drag & drop icon panel -->
  16
  17   <mx:VBox id="dndPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
  18     <mx:Text id="dndPanelText" text="{dndPrompt}" width="100%" styleName="helpInfo" />
  19         <mx:Repeater id="dndRep" dataProvider="{MapFeatures.getInstance().getCategoriesForType('point')}" styleName="dndRepeater">
  20                 <mx:HBox width="100%" styleName="dndPanelCategory">
  21                         <mx:Label text="{dndRep.currentItem.name}:" styleName="dndPanelCategoryLabel"/>
  22                 </mx:HBox>
  23
  24                 <mx:TileList dataProvider="{dndRep.currentItem.getFeaturesForType('point', true)}" width="100%" height="1"
  25                                      rowHeight="32" columnWidth="32" updateComplete="resizePOIGrid(event)" styleName="dndPanelTileList">
  26                         <mx:itemRenderer>
  27                                 <fx:Component>
  28                                         <mx:VBox toolTip="{data.name}">
  29                                                 <fx:Script><![CDATA[
  30                                                         import mx.events.DragEvent;
  31                                                         import mx.managers.DragManager;
  32                                                         import mx.core.DragSource;
  33
  34                                                         private function dragPOI(event:MouseEvent, tags:Array):void {
  35                                                                 if (outerDocument.controller.map.dragstate==outerDocument.controller.map.DRAGGING) return;
  36
  37                                                                 // Get the drag initiator component from the event object.
  38                                                                 var dragInitiator:Image = event.currentTarget as Image;
  39                                                                 var dragSource:DragSource = new DragSource();
  40                                                                 dragSource.addData(tags, 'tags');
  41                                                                 dragSource.addData(event.target.parent.parent.parent.parent, 'container');
  42
  43                                                                 var dragProxy:Image = new Image();
  44                                                                 dragProxy.source = dragInitiator.source;
  45                                                                 dragProxy.width = dragInitiator.width;   // must set width and height explicitly
  46                                                                 dragProxy.height = dragInitiator.height; // for non-embedded images
  47                                                                 DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
  48                                                         }
  49                                                 ]]></fx:Script>
  50                                                 <mx:Image id="foo" source="{data.dndimage}" height="24" width="24" mouseMove="dragPOI(event, data.tags)" toolTip="{data.name}" />
  51                                         </mx:VBox>
  52                                 </fx:Component>
  53                         </mx:itemRenderer>
  54                 </mx:TileList>
  55         </mx:Repeater>
  56   </mx:VBox>
  57
  58   <!-- Standard tagging panel -->
  59
  60   <mx:VBox id="tagsPanel" width="100%" height="100%" creationPolicy="auto">
  61     <mx:ViewStack id="stack" width="100%" height="100%">
  62       <mx:VBox width="100%" height="100%" label="Simple" id="editorContainer" creationComplete="initEditorStackUIs()" styleName="dndPanelVbox">
  63         <mx:VBox width="100%" verticalGap="1" styleName="dndTagHeader">
  64           <mx:HBox width="100%" id="iconContainer" styleName="featureSelector">
  65             <mx:Image id="iconImage"/>
  66             <mx:Text condenseWhite="true" width="100%" id="iconText" styleName="dndIconText"/>
  67           </mx:HBox>
  68           <mx:HBox width="100%">
  69             <mx:PopUpButton id="popupChange" openAlways="true" width="100%" styleName="dndTagPopUpMenu" closeDuration="0" />
  70             <mx:LinkButton icon="@Embed('../../../embedded/information.svg')" click="openDescription()" id="helpLabel" styleName="helpInfo"/>
  71           </mx:HBox>
  72         </mx:VBox>
  73       </mx:VBox>
  74       <mx:VBox width="100%" height="100%" label="Advanced" id="advancedContainer" initialize="checkAdvanced()" verticalGap="1">
  75         <mx:Label id="advancedID" click="openEntityPage()">
  76           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  77         </mx:Label>
  78
  79                 <potlatch2:TagGrid id="advancedTagGrid" width="100%" height="75%" />
  80
  81         <mx:HBox horizontalAlign="right" width="100%">
  82           <mx:LinkButton label="Delete" click="advancedTagGrid.removeTag()" id="advancedDeleteButton" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  83           <mx:LinkButton label="Add" click="advancedTagGrid.addNewTag()" id="advancedAddButton"/>
  84         </mx:HBox>
  85
  86         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  87             doubleClickEnabled="true"
  88             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)"
  89             doubleClick="if (event.target.parent==relationsGrid) { addToRelation(); }">
  90             <mx:columns>
  91                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
  92                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  93                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
  94                     <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
  95                 </mx:DataGridColumn>
  96                                 <mx:DataGridColumn width="20" editable="false">
  97                                         <mx:itemRenderer>
  98                                                 <fx:Component>
  99                                     <mx:HBox horizontalAlign="center" verticalAlign="middle">
 100                                                                 <mx:PopUpButton arrowButtonWidth="12" paddingLeft="0" paddingRight="0" width="12" height="12"
 101                                                                                 open="{outerDocument.updateRelationMenu(event);}"
 102                                                                                 creationComplete="{outerDocument.createRelationMenu(PopUpButton(event.target));}"/>
 103                                                         </mx:HBox>
 104                                                 </fx:Component>
 105                                         </mx:itemRenderer>
 106                                 </mx:DataGridColumn>
 107             </mx:columns>
 108         </mx:DataGrid>
 109
 110         <mx:HBox horizontalAlign="right" width="100%">
 111           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
 112                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
 113           <mx:LinkButton label="Add to" click="addToRelation()"/>
 114         </mx:HBox>
 115
 116       </mx:VBox>
 117
 118       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
 119         <mx:Label id="membersText" text="Relation Members"/>
 120         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
 121                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
 122           <mx:columns>
 123             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
 124             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
 125             <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
 126                                 <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
 127                         </mx:DataGridColumn>
 128           </mx:columns>
 129         </mx:DataGrid>
 130       </mx:VBox>
 131
 132       </mx:ViewStack>
 133
 134           <mx:HBox width="100%">
 135                 <mx:LinkBar dataProvider="{stack}"/>
 136                 <mx:Spacer width="100%"/>
 137                 <mx:LinkButton
 138                         icon="@Embed('../../../embedded/view_tabbed.png')"
 139                         disabledIcon="@Embed('../../../embedded/view_tabbed_disabled.png')"
 140                         click="setEditorStackUI(true)" id="tabNavigatorLabel" paddingTop="6"
 141                         toolTip="Show in tabs"
 142                         enabled="{editorStack is Accordion &amp;&amp; stack.selectedIndex==0}" />
 143                 <mx:LinkButton
 144                         icon="@Embed('../../../embedded/view_accordion.png')"
 145                         disabledIcon="@Embed('../../../embedded/view_accordion_disabled.png')"
 146                         click="setEditorStackUI(false)" id="accordionLabel" paddingTop="6"
 147                         toolTip="Show in sliding windows"
 148                         enabled="{editorStack is TabNavigator &amp;&amp; stack.selectedIndex==0}" />
 149           </mx:HBox>
 150   </mx:VBox>
 151
 152   <!-- Multiple selection -->
 153
 154   <mx:VBox id="multiplePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 155     <potlatch2:TagGrid id="multiAdvancedTagGrid" width="100%" height="75%" />
 156         <mx:HBox horizontalAlign="right" width="100%">
 157           <mx:LinkButton label="Delete" click="multiAdvancedTagGrid.removeTag()" enabled="{multiAdvancedTagGrid.selectedItem != null? true : false}"/>
 158           <mx:LinkButton label="Add" click="multiAdvancedTagGrid.addNewTag()" />
 159         </mx:HBox>
 160
 161     <mx:DataGrid editable="true" width="100%" height="25%" id="multiRelationsGrid"
 162         doubleClickEnabled="true"
 163         itemDoubleClick="editRelation(multiRelationsGrid.selectedItem.id)"
 164         doubleClick="if (event.target.parent==multiRelationsGrid) { addToRelation(); }">
 165         <mx:columns>
 166             <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
 167             <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
 168             <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
 169                 <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
 170             </mx:DataGridColumn>
 171                         <mx:DataGridColumn width="20" editable="false">
 172                                 <mx:itemRenderer>
 173                                         <fx:Component>
 174                             <mx:HBox horizontalAlign="center" verticalAlign="middle">
 175                                                         <mx:PopUpButton arrowButtonWidth="12" paddingLeft="0" paddingRight="0" width="12" height="12"
 176                                                                         open="{outerDocument.updateRelationMenu(event);}"
 177                                                                         creationComplete="{outerDocument.createRelationMenu(PopUpButton(event.target));}"/>
 178                                                 </mx:HBox>
 179                                         </fx:Component>
 180                                 </mx:itemRenderer>
 181                         </mx:DataGridColumn>
 182         </mx:columns>
 183     </mx:DataGrid>
 184     <mx:HBox horizontalAlign="right" width="100%">
 185       <mx:LinkButton label="Remove from" click="removeFromRelation(multiRelationsGrid.selectedItem.id)"
 186                       enabled="{multiRelationsGrid.selectedItem != null? true : false}"/>
 187       <mx:LinkButton label="Add to" click="addToRelation()"/>
 188     </mx:HBox>
 189
 190   </mx:VBox>
 191
 192   <!-- Multiple selection but items cannot be edited -->
 193
 194   <mx:VBox id="multipleInvalidPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 195         <mx:Text id="multipleInvalidPanelText" text="You have selected multiple items." width="100%" styleName="helpInfo" />
 196   </mx:VBox>
 197
 198   <!-- Generic marker panel -->
 199
 200   <mx:VBox id="markerPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 201     <sidepanel:MarkerPanel id="markerPanelContents" width="100%"/>
 202   </mx:VBox>
 203
 204   <!-- Bug editing panel -->
 205
 206   <mx:VBox id="bugPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 207     <sidepanel:BugPanel id="bugPanelContents" width="100%"/>
 208   </mx:VBox>
 209
 210   <!-- Background layer selection -->
 211
 212   <mx:VBox id="backgroundPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 213     <sidepanel:BackgroundPanel id="backgroundPanelContents" width="100%"/>
 214   </mx:VBox>
 215
 216   <!-- merge tags from background layer -->
 217
 218   <mx:VBox id="backgroundMergePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 219     <sidepanel:BackgroundMergePanel id="backgroundMergePanelContents" width="100%" />
 220   </mx:VBox>
 221
 222 </mx:ViewStack>
 223
 224   <fx:Script><![CDATA[
 225       import net.systemeD.halcyon.connection.*;
 226       import net.systemeD.halcyon.MapPaint;
 227       import net.systemeD.potlatch2.EditController;
 228       import net.systemeD.potlatch2.mapfeatures.*;
 229       import net.systemeD.potlatch2.mapfeatures.editors.*;
 230       import net.systemeD.potlatch2.utils.*;
 231       import net.systemeD.controls.CollapsiblePanel;
 232
 233       import mx.collections.*;
 234       import mx.containers.*;
 235       import mx.events.*;
 236       import mx.core.*;
 237       import mx.managers.PopUpManager;
 238       import mx.controls.Menu;
 239       import mx.controls.Alert;
 240       import flash.geom.Point;
 241       import flash.net.*;
 242       import mx.events.DragEvent;
 243       import mx.managers.DragManager;
 244       import mx.core.DragSource;
 245       import mx.controls.TabBar;
 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       [Bindable]
 259       public var dndPrompt:String="Add new points by dragging them onto the map";
 260
 261       private var editorStackTabNavigator:TabNavigator;
 262       private var editorStackAccordion:Accordion;
 263       [Bindable] private var editorStack:Container;
 264
 265       public var mapFeatures:MapFeatures;
 266       public var controller:EditController;
 267       private var selectedEntity:Entity;
 268       private var connection:Connection;
 269       private var currentCategorySelector:CategorySelector;
 270       private var categorySelectors:Object = {};        // hash of categorySelectors for each limitType
 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           public function setEntity(entities:Array, layer:MapPaint=null):void {
 276                 UIComponent.suspendBackgroundProcessing();
 277                 connection=null;
 278
 279                 var firstSelected:Entity=null;
 280                 if (entities.length==1) { firstSelected=entities[0]; }
 281
 282                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 283                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 284                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 285                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 286                 }
 287
 288                 if (entities.length==0) {
 289                         // Nothing selected, so show drag-and-drop panel
 290                         sidebar.selectedChild = dndPanel;
 291
 292                 } else if (entities.length==1) {
 293                         // Single entity selected, so show tag panel
 294                         selectedEntity=firstSelected;
 295                         connection=firstSelected.connection;
 296                         if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
 297                         if (advancedID!=null) { setupAdvanced(firstSelected); }
 298                         if (firstSelected is Relation) { stack.addChild(membersVBox); }
 299             if (selectedEntity is Marker && connection is BugConnection) {
 300               bugPanelContents.init(selectedEntity, BugConnection(connection));
 301               sidebar.selectedChild = bugPanel;
 302             } else if (selectedEntity is Marker) {
 303               markerPanelContents.init(selectedEntity, layer);
 304               sidebar.selectedChild = markerPanel;
 305             } else if (connection is SnapshotConnection) {
 306               backgroundPanelContents.init(selectedEntity, layer);
 307               sidebar.selectedChild = backgroundPanel;
 308             } else {
 309               refreshFeatureIcon();
 310               initialiseEditors();
 311               sidebar.selectedChild = tagsPanel;
 312             }
 313
 314         } else if (entities.length==2
 315                       && xor(entities[0].connection is SnapshotConnection, entities[1].connection is SnapshotConnection)
 316                       && xor(!controller.map.getLayerForEntity(entities[0]).isBackground, !controller.map.getLayerForEntity(entities[1]).isBackground) ) {
 317             backgroundMergePanelContents.init(entities);
 318             sidebar.selectedChild = backgroundMergePanel;
 319
 320                 } else if(isMultipleEditable(entities)) {
 321                         selectedEntity = new EntityCollection(entities);
 322                         selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
 323             sidebar.selectedChild = multiplePanel;
 324                         setupMultiAdvanced(selectedEntity);
 325                         connection=entities[0].connection;
 326
 327                 } else {
 328                         //The selection contains elements which can't be edited all together.
 329                         sidebar.selectedChild = multipleInvalidPanel;
 330                 }
 331                 UIComponent.resumeBackgroundProcessing();
 332       }
 333
 334       private function xor(a:Boolean, b:Boolean):Boolean {
 335           return ( a || b) && !(a && b);
 336       }
 337
 338       private function refreshFeatureIcon():void {
 339           var oldFeature:Feature = feature;
 340           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 341           if ( feature != oldFeature ) {
 342               if ( oldFeature != null )
 343                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 344               if ( feature != null )
 345                   feature.addEventListener("imageChanged", featureImageChanged);
 346           }
 347           setCategorySelector(selectedEntity, feature);
 348       }
 349
 350       private function featureImageChanged(event:Event):void {
 351           setCategorySelector(selectedEntity, feature);
 352       }
 353
 354       /** Set the icon, categorySelector and help text for the current entity. */
 355       private function setCategorySelector(entity:Entity, feature:Feature):void {
 356                         // Remove the "user has selected something" event listener from previous categorySelector,
 357                         // and make it invisible because Flex is crap at updating click areas otherwise
 358                         if (currentCategorySelector) {
 359                                 currentCategorySelector.removeEventListener("selectedType", changeFeatureType);
 360                                 currentCategorySelector.visible=false;
 361                         }
 362
 363                         // Have we cached the categorySelector for this limitType? If not, create one
 364                         var lt:String=limitType(entity);
 365                         if (!categorySelectors[lt]) {
 366                                 categorySelectors[lt]=new CategorySelector();
 367                                 categorySelectors[lt].setLimitTypes(lt);
 368                         }
 369                         currentCategorySelector=categorySelectors[lt];
 370                         currentCategorySelector.addEventListener("selectedType", changeFeatureType, false, 0, true);
 371
 372                         // Update surrounding icon/text display
 373                         if (feature) {
 374                                 iconImage.source = feature.image;
 375                                 iconText.htmlText = feature.htmlDetails(entity);
 376                                 popupChange.label = feature.name;
 377                                 helpLabel.visible = feature.hasHelpURL();
 378                                 currentCategorySelector.setSelectedFeature(feature);
 379                         } else {
 380                                 iconImage.source = null;
 381                                 popupChange.label = "unknown";
 382                                 helpLabel.visible = false;
 383                                 if (entity==null) {
 384                                         iconText.htmlText = "<i>Nothing selected</i>";
 385                                 } else if (entity.hasTags()) {
 386                                         iconText.htmlText = "<b>Not recognised</b><br/><font size='10pt'>Try looking at the tags under the advanced properties</font>";
 387                                 } else {
 388                                         iconText.htmlText = "<b>No tags set</b><br/><font size='10pt'>Please use the menu below to define what this "+entity.getType()+" is</font>";
 389                                 }
 390                                 currentCategorySelector.setSelectedFeature(null);
 391                         }
 392
 393                         // Set it as the popup, and make sure it's visible
 394                         popupChange.popUp=currentCategorySelector;
 395                         currentCategorySelector.visible=true;
 396       }
 397
 398           private function isMultipleEditable(entities:Array):Boolean {
 399                 for each(var entity:Entity in entities) {
 400                         if(!(entity is Node || entity is Way))
 401                                 return false;
 402                 }
 403                 return true;
 404           }
 405
 406       private function limitType(entity:Entity):String {
 407           if      (entity is Node    ) return "point";
 408           else if (entity is Way     ) return Way(entity).isArea() ? "area" : "line";
 409           else if (entity is Relation) return "relation";
 410           return null;
 411       }
 412
 413       private var tabComponents:Object = {};
 414       private var subpanelComponents:Object = {};
 415
 416       private function initialiseEditors():void {
 417                 editorStack.removeAllChildren();
 418                 if ( selectedEntity == null || feature == null )
 419                         return;
 420
 421                 var basicEditorBox:VBox = createEditorBox();
 422                 basicEditorBox.label = "Basic";
 423                 basicEditorBox.icon=tabIconBasic;
 424                 editorStack.addChild(basicEditorBox);
 425
 426                 var tabs:Object = {};
 427                 var tabList:Array = [];
 428                 tabComponents = {};
 429                 var subpanels:Object = {};
 430                 subpanelComponents = {};
 431
 432                 // First create the tabs
 433                 for each (var factory:EditorFactory in feature.editors) {
 434                         var category:String = factory.category;
 435                         if (category!='') {
 436                                 var tab:VBox = tabs[category];
 437                                 if ( tab == null) {
 438                                         tab = createEditorBox();
 439                                         tab.label = category;
 440                                         if (tabIcons[category]) tab.icon=tabIcons[category];
 441                                         tabs[category] = tab;
 442                                         tabList.push(tab);
 443                                 }
 444                         }
 445                 }
 446
 447                 // Put the tabs on-screen in order
 448                 tabList.sort(sortCategories,16);
 449                 for each (tab in tabList) {
 450                         editorStack.addChild(tab);
 451                         tabComponents[tab] = [];
 452                 }
 453
 454                 // Then add the individual editors to them
 455                 for each (factory in feature.editors) {
 456
 457                         // Add to basic editor box first
 458                         if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 459                                 var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 460                                 if (editor) basicEditorBox.addChild(editor);
 461                         }
 462
 463                         // Then prepare to add to category panel
 464                         category=factory.category;
 465                         if (factory.category=='') continue;
 466                         var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 467                         if (!catEditor) continue;
 468                         tab=tabs[category];
 469
 470                         // Create subcategory panel if needed
 471                         if (factory.subcategory) {
 472                                 var subcategory:String = factory.subcategory;
 473                                 if (!subpanels[category]) { subpanels[category]={}; }
 474                                 var subpanel:CollapsiblePanel = subpanels[category][subcategory];
 475                                 if (!subpanel) {
 476                                         subpanel=new CollapsiblePanel(false);
 477                                         subpanel.percentWidth=100;
 478                                         subpanel.styleName="subcategoryPanel";
 479                                         subpanel.title=subcategory;
 480                                         subpanels[category][subcategory]=subpanel;
 481                                         tabComponents[tab].push(subpanel);
 482                                 }
 483                                 subpanel.addChild(catEditor);
 484                         } else {
 485                                 tabComponents[tab].push(catEditor);
 486                         }
 487                 }
 488       }
 489
 490         // ** FIXME: Order probably shouldn't be hard-coded, but configurable
 491         private static var categoryOrder:Array=["Restrictions","Transport","Cycle","Walk","Address","Details"]; // reverse order
 492         private function sortCategories(a:VBox,b:VBox):int {
 493                 var a1:int=categoryOrder.indexOf(a.label);
 494                 var a2:int=categoryOrder.indexOf(b.label);
 495                 if (a1<a2) { return 1; }
 496                 else if (a1>a2) { return -1; }
 497                 return 0;
 498         }
 499
 500       private function createEditorBox():VBox {
 501           var box:VBox = new VBox();
 502           box.percentWidth = 100;
 503           box.percentHeight = 100;
 504           box.styleName = "dndEditorContainer";
 505           return box;
 506       }
 507
 508       private function ensureEditorsPopulated(tab:VBox):void {
 509           var components:Array = tabComponents[tab];
 510           if ( components == null || tab == null || tab.numChildren >= components.length )
 511               return;
 512           for each (var component:DisplayObject in components ) {
 513               tab.addChild(component);
 514           }
 515       }
 516
 517         private function initEditorStackUIs():void {
 518                 editorStackTabNavigator = new TabNavigator();
 519 //              editorStackTabNavigator.allowTabSqueezing=false;
 520 //              editorStackTabNavigator.minTabWidth=10;
 521 //              editorStackTabNavigator.closePolicy="close_never";
 522 //              editorStackTabNavigator.scrollSpeed=20;
 523                 editorStackTabNavigator.creationPolicy="auto";
 524                 editorStackTabNavigator.percentWidth=100;
 525                 editorStackTabNavigator.percentHeight=100;
 526                 editorStackTabNavigator.styleName="dndStackTab";
 527 //              editorStackTabNavigator.popUpButtonPolicy="off"
 528
 529
 530                 editorStackAccordion = new Accordion();
 531                 editorStackAccordion.percentWidth=100;
 532                 editorStackAccordion.percentHeight=100;
 533                 editorStackAccordion.creationPolicy="auto";
 534                 editorStackAccordion.styleName="dndStackAccordion";
 535                 /* FIXME: the accordion icons should be right-aligned. See:
 536                 http://www.kristoferjoseph.com/blog/2008/11/06/positioning-the-flex-accordion-header-icon
 537                 http://blog.flexexamples.com/2007/09/13/changing-text-alignment-in-an-flex-accordion-header/
 538                 */
 539
 540                 setEditorStackUI(true);
 541         }
 542
 543         private function setEditorStackUI(isTabbed:Boolean):void {
 544                 var children:Array=[]; var i:uint;
 545
 546                 if (editorStack) {
 547                         // blank existing component
 548                         editorStack.removeEventListener("change",editorStackUIChange);
 549                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 550                         editorStack.removeAllChildren();
 551                         editorContainer.removeChildAt(1);
 552                 }
 553
 554                 // replace with new component
 555                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 556                 editorContainer.addChild(editorStack);
 557
 558                 // re-add children and listeners
 559                 initialiseEditors();
 560                 editorStack.addEventListener("change",editorStackUIChange);
 561                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 562         }
 563
 564         private function editorStackUIChange(event:Event):void {
 565                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 566         }
 567
 568         private function editorStackUIUpdate(event:Event):void {
 569                 if (editorStack is TabNavigator) {
 570                         var e:TabNavigator = editorStack as TabNavigator;
 571                         if (e.selectedIndex<0) { return; }
 572                         for (var i:uint=0; i<e.numChildren; i++) {
 573                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 574                         }
 575                 }
 576         }
 577
 578
 579         public function togglePanel():void {
 580                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 581                         stack.selectedChild=advancedContainer;
 582                 } else if (stack.selectedChild!=editorContainer) {
 583                         stack.selectedChild=editorContainer;
 584                 }
 585         }
 586
 587         public function selectAdvancedPanel():void {
 588                 checkAdvanced();
 589                 stack.selectedChild=advancedContainer;
 590         }
 591
 592       private function checkAdvanced():void {
 593           if ( selectedEntity != null )
 594              setupAdvanced(selectedEntity);
 595       }
 596
 597       private var listeningToRelations:Array = [];
 598
 599       private function setupAdvanced(entity:Entity):void {
 600                 if (!advancedTagGrid) advancedContainer.createComponentsFromDescriptors();      // if Flex hasn't created it, force it
 601                 advancedTagGrid.init(entity);
 602
 603                 if ( entity == null ) {
 604                         advancedID.htmlText = "";
 605                 } else {
 606                         var entityText:String = "xx";
 607                         if      ( entity is Node     ) entityText = "Node";
 608                         else if ( entity is Way      ) entityText = "Way";
 609                         else if ( entity is Relation ) entityText = "Relation";
 610                         advancedID.htmlText = entityText+": <b>"+entity.id+"</b> "+(entity.status ? entity.status : '');
 611                 }
 612
 613                 removeRelationListeners();
 614
 615                 if ( entity == null ) {
 616                         relationsGrid.dataProvider = null;
 617                 } else {
 618                         resetRelationsGrid(entity);
 619                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 620                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 621                 }
 622       }
 623
 624           private function setupMultiAdvanced(entity:Entity):void {
 625                 multiAdvancedTagGrid.init(entity);
 626                 resetRelationsGrid(entity);
 627                 entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation, false, 0, true);
 628                 entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation, false, 0, true);
 629       }
 630
 631           public function addNewTag():void {
 632                 if (stack.selectedChild!=advancedContainer) { return; }
 633                 advancedTagGrid.addNewTag();
 634           }
 635
 636       private function addedToRelation(event:RelationMemberEvent):void {
 637          resetRelationsGrid(selectedEntity);
 638       }
 639
 640       private function removedFromRelation(event:RelationMemberEvent):void {
 641          resetRelationsGrid(selectedEntity);
 642       }
 643
 644       private function removeRelationListeners():void {
 645           for each( var rel:Relation in listeningToRelations ) {
 646               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 647               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 648               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 649           }
 650           listeningToRelations = [];
 651           if (relationsGrid) relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 652           if (multiRelationsGrid) multiRelationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 653       }
 654
 655       private function resetRelationsGrid(entity:Entity):void {
 656           removeRelationListeners();
 657
 658           var instance:DataGrid=relationsGrid;
 659           if (entity is EntityCollection) instance=multiRelationsGrid;
 660           var memberships:Array = entity.getRelationMemberships();
 661           for each (var m:Object in memberships) {
 662               m.relation.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 663               m.relation.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 664               m.relation.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 665               listeningToRelations.push(m.relation);
 666           }
 667           instance.dataProvider = memberships;
 668           instance.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 669       }
 670
 671       private function relationRoleChanged(event:DataGridEvent):void {
 672                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 673
 674                 var relations:Array=event.currentTarget.dataProvider.toArray();
 675                 var props:Object=relations[event.rowIndex];
 676
 677                 var relation:Relation=props['relation'];
 678                 var newRole:String=event.itemRenderer.data['role'];
 679
 680                 if (selectedEntity is EntityCollection) {
 681                         for each (var entity:Entity in EntityCollection(selectedEntity).entities) {
 682                                 var indexes:Array=relation.findEntityMemberIndexes(entity);
 683                                 for each (var index:int in indexes) {
 684                                         relation.setMember(index, new RelationMember(entity,newRole), MainUndoStack.getGlobalStack().addAction);
 685                                 }
 686                         }
 687                 } else {
 688                         relation.setMember(props['index'], new RelationMember(selectedEntity,newRole), MainUndoStack.getGlobalStack().addAction);
 689                 }
 690       }
 691
 692       private function relationTagChanged(event:TagEvent):void {
 693           resetRelationsGrid(selectedEntity);
 694       }
 695
 696       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 697           resetRelationsGrid(selectedEntity);
 698       }
 699
 700       private function checkMembers():void {
 701           if (selectedEntity is Relation) {
 702             setupMembers(selectedEntity as Relation);
 703           }
 704       }
 705
 706       private function setupMembers(rel:Relation):void {
 707           var members:Array = [];
 708           for (var i:int=0 ; i<rel.length; i++) {
 709             var props:Object = {};
 710             var member:RelationMember = rel.getMember(i);
 711             props["id"] = member.entity.id;
 712             props["type"] = member.entity.getType();
 713             props["role"] = member.role;
 714
 715             members.push(props);
 716           }
 717           membersGrid.dataProvider = members;
 718           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 719       }
 720
 721       private function membersChange(event:Event):void {
 722           // Dropping all the members and re-adding them isn't exactly optimal
 723           // but is at least robust for any kind of change.
 724           // Figuring out a better way is someone else's FIXME
 725
 726           var rel:Relation = selectedEntity as Relation;
 727           var action:CompositeUndoableAction = new CompositeUndoableAction("Rearrange relation members for "+rel);
 728
 729           // drop members
 730           for (var i:int=rel.length-1 ; i>=0; i--) {
 731             rel.removeMemberByIndex(i, action.push);
 732           }
 733
 734           // add members in new order
 735           for each(var memberObject:Object in membersGrid.dataProvider) {
 736             var e:Entity;
 737             var id:Number = memberObject.id;
 738                         switch (memberObject.type) {
 739                                 case 'node':            e = connection.getNode(id); break;
 740                 case 'way':                     e = connection.getWay(id); break;
 741                                 case 'relation':        e = connection.getRelation(id); break;
 742             }
 743             rel.appendMember(new RelationMember(e, memberObject.role), action.push);
 744           }
 745           MainUndoStack.getGlobalStack().addAction(action);
 746       }
 747
 748       private function editRelation(id:Number):void {
 749           var panel:RelationEditorPanel = RelationEditorPanel(
 750               PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
 751           panel.setRelation(connection.getRelation(id));
 752           PopUpManager.centerPopUp(panel);
 753       }
 754
 755         /** Create relation actions menu */
 756
 757         public function createRelationMenu(button:PopUpButton):void {
 758                 var menu:Menu = new Menu();
 759                 var dp:Object = [ {label: "Select all members"},
 760                                                   {label: "Deselect all members"},
 761                                                   {label: "Add selection to this relation", enabled: false},
 762                                                   {label: "Delete relation"} ];
 763                 menu.dataProvider = dp;
 764                 menu.addEventListener("itemClick", selectRelationMenu);
 765                 button.popUp = menu;
 766         }
 767
 768         /** Enable 'add selection to...' entry only if some of the selection isn't in the relation.
 769             Called each time the menu is clicked. */
 770
 771         public function updateRelationMenu(event:Event):void {
 772                 rowData=event.target.parent.data;       // this makes it accessible from selectRelationMenu
 773                 var menu:Menu = Menu(event.target.popUp);
 774                 var enable:Boolean = false;
 775                 if (selectedEntity != null && selectedEntity is EntityCollection) {
 776                         // Enable only if some entities aren't a member of the relation
 777                         enable=!rowData.universal;
 778                 }
 779                 if (enable==menu.dataProvider[2].enabled) return;
 780                 menu.dataProvider[2].enabled=enable;
 781                 menu.invalidateList();
 782         }
 783
 784         /** Do the action selected in the relation actions menu */
 785
 786         public function selectRelationMenu(event:MenuEvent):void {
 787                 var rel:Relation=rowData.relation;
 788                 var entities:Array;
 789                 var controller:EditController=FlexGlobals.topLevelApplication.theController;
 790                 switch (event.index) {
 791                         case 0: // Select all members
 792                                 entities=selectedEntity.entities.concat(rel.memberEntities);
 793                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return arr.indexOf(e) == i } );      // remove duplicates
 794                                 // ** FIXME: This is a really horrible way of changing the controller state
 795                                 controller.setState(controller.findStateForSelection(entities));
 796                                 break;
 797
 798                         case 1: // Deselect all members
 799                                 entities=selectedEntity.entities;
 800                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return !e.hasParent(rel) } );
 801                                 controller.setState(controller.findStateForSelection(entities));
 802                                 break;
 803
 804                         case 2: // Add selection to this relation
 805                                 var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 806                                 for each (var entity:Entity in selectedEntity.entities) {
 807                                         if (!entity.hasParent(rel)) {
 808                                                 rel.appendMember(new RelationMember(entity,''), undo.push);
 809                                         }
 810                                 }
 811                                 MainUndoStack.getGlobalStack().addAction(undo);
 812                                 break;
 813
 814                         case 3: // Delete relation
 815                                 Alert.show("Do you really want to delete the relation?","Are you sure?",Alert.YES | Alert.CANCEL,null,
 816                                         function(event:CloseEvent):void {
 817                                                 if (event.detail==Alert.CANCEL) return;
 818                                                 rel.remove(MainUndoStack.getGlobalStack().addAction);
 819                                         } );
 820                                 break;
 821                 }
 822         }
 823
 824       private function tagChanged(event:TagEvent):void {
 825           refreshFeatureIcon();
 826       }
 827
 828       public function loadFeatures():void {
 829           mapFeatures = MapFeatures.getInstance();
 830           stack.removeChild(membersVBox); // remove by default, will be added if relation
 831       }
 832
 833       /** Open up a new browser page, showing the help page as defined in Map Features XML file .*/
 834       public function openDescription():void {
 835           if ( feature != null && feature.hasHelpURL() )
 836               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 837       }
 838
 839       /** Open up a new browser page showing OSM's view of the current entity. */
 840       public function openEntityPage():void {
 841           if (selectedEntity != null && selectedEntity.id >= 0) {
 842               // This is slightly hard-coded, but not drastically. The ../s could be changed for string manipulation of the apiBase
 843               var urlBase:String = connection.apiBase + '../../browse/'
 844               navigateToURL(new URLRequest(urlBase+selectedEntity.getType()+'/'+selectedEntity.id), "potlatch_browse");
 845           }
 846       }
 847
 848       public function addToRelation():void {
 849           new RelationSelectPanel().init(selectedEntity,new Object());
 850       }
 851
 852       private function removeFromRelation(id:Number, index:int=-1):void {
 853                 var rel:Relation=connection.getRelation(id);
 854                 if (index>-1) {
 855                         rel.removeMemberByIndex(index, MainUndoStack.getGlobalStack().addAction);
 856                 } else if (selectedEntity is EntityCollection) {
 857                         var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 858                         for each (var e:Entity in EntityCollection(selectedEntity).entities) rel.removeMember(e,undo.push);
 859                         MainUndoStack.getGlobalStack().addAction(undo);
 860                 }
 861       }
 862
 863       public function changeFeatureType(event:Event):void {
 864           if ( selectedEntity == null )
 865               return;
 866
 867           UIComponent.suspendBackgroundProcessing();
 868           var newFeature:Feature = currentCategorySelector.selectedType;
 869           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 870           var action:CompositeUndoableAction = new CompositeUndoableAction(
 871                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 872                   selectedEntity.suspend();
 873
 874           // build a list of tags that are editable in new feature
 875           var editableTags:Array = new Array();
 876           for each( var editor:EditorFactory in newFeature.editors ) {
 877               if ( editor is SingleTagEditorFactory ) {
 878                   var singleTagEditor:SingleTagEditorFactory = editor as SingleTagEditorFactory;
 879                   editableTags.push(singleTagEditor.key);
 880               }
 881           }
 882
 883           // remove tags from the current feature
 884           if ( feature != null ) {
 885               for each( var oldtag:Object in feature.tags ) {
 886                   if ( editableTags.indexOf(oldtag["k"]) < 0 ) {
 887                       selectedEntity.setTag(oldtag["k"], null, action.push);
 888                   }
 889               }
 890           }
 891
 892           // set tags for new feature
 893           if ( newFeature != null ) {
 894               for each( var newtag:Object in newFeature.tags ) {
 895                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 896               }
 897           }
 898
 899                   selectedEntity.resume();
 900           undoStack(action);
 901           popupChange.close();
 902           initialiseEditors();
 903           UIComponent.resumeBackgroundProcessing();
 904       }
 905
 906         private function resizePOIGrid(event:Event):void {
 907                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 908                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 909                 event.target.height=rows*(event.target.rowHeight+1);
 910         }
 911   ]]></fx:Script>
 912 </mx:VBox>
 913