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                                                                 // Get the drag initiator component from the event object.
  36                                                                 var dragInitiator:Image = event.currentTarget as Image;
  37                                                                 var dragSource:DragSource = new DragSource();
  38                                                                 dragSource.addData(tags, 'tags');
  39                                                                 dragSource.addData(event.target.parent.parent.parent.parent, 'container');
  40
  41                                                                 var dragProxy:Image = new Image();
  42                                                                 dragProxy.source = dragInitiator.source;
  43                                                                 dragProxy.width = dragInitiator.width;   // must set width and height explicitly
  44                                                                 dragProxy.height = dragInitiator.height; // for non-embedded images
  45                                                                 DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
  46                                                         }
  47                                                 ]]></fx:Script>
  48                                                 <mx:Image id="foo" source="{data.dndimage}" height="24" width="24" mouseMove="dragPOI(event, data.tags)" toolTip="{data.name}" />
  49                                         </mx:VBox>
  50                                 </fx:Component>
  51                         </mx:itemRenderer>
  52                 </mx:TileList>
  53         </mx:Repeater>
  54   </mx:VBox>
  55
  56   <!-- Standard tagging panel -->
  57
  58   <mx:VBox id="tagsPanel" width="100%" height="100%" creationPolicy="auto">
  59     <mx:ViewStack id="stack" width="100%" height="100%">
  60       <mx:VBox width="100%" height="100%" label="Simple" id="editorContainer" creationComplete="initEditorStackUIs()" styleName="dndPanelVbox">
  61         <mx:VBox width="100%" verticalGap="1" styleName="dndTagHeader">
  62           <mx:HBox width="100%" id="iconContainer" styleName="featureSelector">
  63             <mx:Image id="iconImage"/>
  64             <mx:Text condenseWhite="true" width="100%" id="iconText" styleName="dndIconText"/>
  65           </mx:HBox>
  66           <mx:HBox width="100%">
  67             <mx:PopUpButton id="popupChange" openAlways="true" width="100%" styleName="dndTagPopUpMenu" closeDuration="0" />
  68             <mx:LinkButton icon="@Embed('../../../embedded/information.svg')" click="openDescription()" id="helpLabel" styleName="helpInfo"/>
  69           </mx:HBox>
  70         </mx:VBox>
  71       </mx:VBox>
  72       <mx:VBox width="100%" height="100%" label="Advanced" id="advancedContainer" initialize="checkAdvanced()" verticalGap="1">
  73         <mx:Label id="advancedID" click="openEntityPage()">
  74           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  75         </mx:Label>
  76
  77                 <potlatch2:TagGrid id="advancedTagGrid" width="100%" height="75%" />
  78
  79         <mx:HBox horizontalAlign="right" width="100%">
  80           <mx:LinkButton label="Delete" click="advancedTagGrid.removeTag()" id="advancedDeleteButton" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  81           <mx:LinkButton label="Add" click="advancedTagGrid.addNewTag()" id="advancedAddButton"/>
  82         </mx:HBox>
  83
  84         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  85             doubleClickEnabled="true"
  86             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)"
  87             doubleClick="if (event.target.parent==relationsGrid) { addToRelation(); }">
  88             <mx:columns>
  89                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
  90                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  91                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
  92                     <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
  93                 </mx:DataGridColumn>
  94                                 <mx:DataGridColumn width="20" editable="false">
  95                                         <mx:itemRenderer>
  96                                                 <fx:Component>
  97                                     <mx:HBox horizontalAlign="center" verticalAlign="middle">
  98                                                                 <mx:PopUpButton arrowButtonWidth="12" paddingLeft="0" paddingRight="0" width="12" height="12"
  99                                                                                 open="{outerDocument.updateRelationMenu(event);}"
 100                                                                                 creationComplete="{outerDocument.createRelationMenu(PopUpButton(event.target));}"/>
 101                                                         </mx:HBox>
 102                                                 </fx:Component>
 103                                         </mx:itemRenderer>
 104                                 </mx:DataGridColumn>
 105             </mx:columns>
 106         </mx:DataGrid>
 107
 108         <mx:HBox horizontalAlign="right" width="100%">
 109           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
 110                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
 111           <mx:LinkButton label="Add to" click="addToRelation()"/>
 112         </mx:HBox>
 113
 114       </mx:VBox>
 115
 116       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
 117         <mx:Label id="membersText" text="Relation Members"/>
 118         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
 119                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
 120           <mx:columns>
 121             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
 122             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
 123             <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
 124                                 <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
 125                         </mx:DataGridColumn>
 126           </mx:columns>
 127         </mx:DataGrid>
 128       </mx:VBox>
 129
 130       </mx:ViewStack>
 131
 132           <mx:HBox width="100%">
 133                 <mx:LinkBar dataProvider="{stack}"/>
 134                 <mx:Spacer width="100%"/>
 135                 <mx:LinkButton
 136                         icon="@Embed('../../../embedded/view_tabbed.png')"
 137                         disabledIcon="@Embed('../../../embedded/view_tabbed_disabled.png')"
 138                         click="setEditorStackUI(true)" id="tabNavigatorLabel" paddingTop="6"
 139                         toolTip="Show in tabs"
 140                         enabled="{editorStack is Accordion &amp;&amp; stack.selectedIndex==0}" />
 141                 <mx:LinkButton
 142                         icon="@Embed('../../../embedded/view_accordion.png')"
 143                         disabledIcon="@Embed('../../../embedded/view_accordion_disabled.png')"
 144                         click="setEditorStackUI(false)" id="accordionLabel" paddingTop="6"
 145                         toolTip="Show in sliding windows"
 146                         enabled="{editorStack is TabNavigator &amp;&amp; stack.selectedIndex==0}" />
 147           </mx:HBox>
 148   </mx:VBox>
 149
 150   <!-- Multiple selection -->
 151
 152   <mx:VBox id="multiplePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 153     <potlatch2:TagGrid id="multiAdvancedTagGrid" width="100%" height="75%" />
 154         <mx:HBox horizontalAlign="right" width="100%">
 155           <mx:LinkButton label="Delete" click="multiAdvancedTagGrid.removeTag()" enabled="{multiAdvancedTagGrid.selectedItem != null? true : false}"/>
 156           <mx:LinkButton label="Add" click="multiAdvancedTagGrid.addNewTag()" />
 157         </mx:HBox>
 158
 159     <mx:DataGrid editable="true" width="100%" height="25%" id="multiRelationsGrid"
 160         doubleClickEnabled="true"
 161         itemDoubleClick="editRelation(multiRelationsGrid.selectedItem.id)"
 162         doubleClick="if (event.target.parent==multiRelationsGrid) { addToRelation(); }">
 163         <mx:columns>
 164             <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
 165             <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
 166             <mx:DataGridColumn editable="true" dataField="role" headerText="Role">
 167                 <mx:itemEditor><fx:Component><mx:TextInput restrict="&#x0020;-&#x10FFFF;" /></fx:Component></mx:itemEditor>
 168             </mx:DataGridColumn>
 169                         <mx:DataGridColumn width="20" editable="false">
 170                                 <mx:itemRenderer>
 171                                         <fx:Component>
 172                             <mx:HBox horizontalAlign="center" verticalAlign="middle">
 173                                                         <mx:PopUpButton arrowButtonWidth="12" paddingLeft="0" paddingRight="0" width="12" height="12"
 174                                                                         open="{outerDocument.updateRelationMenu(event);}"
 175                                                                         creationComplete="{outerDocument.createRelationMenu(PopUpButton(event.target));}"/>
 176                                                 </mx:HBox>
 177                                         </fx:Component>
 178                                 </mx:itemRenderer>
 179                         </mx:DataGridColumn>
 180         </mx:columns>
 181     </mx:DataGrid>
 182     <mx:HBox horizontalAlign="right" width="100%">
 183       <mx:LinkButton label="Remove from" click="removeFromRelation(multiRelationsGrid.selectedItem.id)"
 184                       enabled="{multiRelationsGrid.selectedItem != null? true : false}"/>
 185       <mx:LinkButton label="Add to" click="addToRelation()"/>
 186     </mx:HBox>
 187
 188   </mx:VBox>
 189
 190   <!-- Multiple selection but items cannot be edited -->
 191
 192   <mx:VBox id="multipleInvalidPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 193         <mx:Text id="multipleInvalidPanelText" text="You have selected multiple items." width="100%" styleName="helpInfo" />
 194   </mx:VBox>
 195
 196   <!-- Generic marker panel -->
 197
 198   <mx:VBox id="markerPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 199     <sidepanel:MarkerPanel id="markerPanelContents" width="100%"/>
 200   </mx:VBox>
 201
 202   <!-- Bug editing panel -->
 203
 204   <mx:VBox id="bugPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 205     <sidepanel:BugPanel id="bugPanelContents" width="100%"/>
 206   </mx:VBox>
 207
 208   <!-- Background layer selection -->
 209
 210   <mx:VBox id="backgroundPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 211     <sidepanel:BackgroundPanel id="backgroundPanelContents" width="100%"/>
 212   </mx:VBox>
 213
 214   <!-- merge tags from background layer -->
 215
 216   <mx:VBox id="backgroundMergePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 217     <sidepanel:BackgroundMergePanel id="backgroundMergePanelContents" width="100%" />
 218   </mx:VBox>
 219
 220 </mx:ViewStack>
 221
 222   <fx:Script><![CDATA[
 223       import net.systemeD.halcyon.connection.*;
 224       import net.systemeD.halcyon.MapPaint;
 225       import net.systemeD.potlatch2.EditController;
 226       import net.systemeD.potlatch2.mapfeatures.*;
 227       import net.systemeD.potlatch2.mapfeatures.editors.*;
 228       import net.systemeD.potlatch2.utils.*;
 229       import net.systemeD.controls.CollapsiblePanel;
 230
 231       import mx.collections.*;
 232       import mx.containers.*;
 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 flexlib.containers.SuperTabNavigator;
 245
 246       [Bindable] [Embed(source="../../../embedded/tab_basic.png"       )] private var tabIconBasic:Class;
 247       [Bindable] [Embed(source="../../../embedded/tab_address.png"     )] private var tabIconAddress:Class;
 248       [Bindable] [Embed(source="../../../embedded/tab_cycle.png"       )] private var tabIconCycle:Class;
 249       [Bindable] [Embed(source="../../../embedded/tab_details.png"     )] private var tabIconDetails:Class;
 250       [Bindable] [Embed(source="../../../embedded/tab_restrictions.png")] private var tabIconRestrictions:Class;
 251       [Bindable] [Embed(source="../../../embedded/tab_transport.png"   )] private var tabIconTransport:Class;
 252       [Bindable] [Embed(source="../../../embedded/tab_walk.png"        )] private var tabIconWalk:Class;
 253       private var tabIcons:Object= { Basic:tabIconBasic, Details:tabIconDetails, Address:tabIconAddress, Walk:tabIconWalk, Cycle:tabIconCycle,
 254                                          Transport:tabIconTransport, Restrictions:tabIconRestrictions};
 255
 256       [Bindable]
 257       public var dndPrompt:String="Add new points by dragging them onto the map";
 258
 259       private var editorStackTabNavigator:TabNavigator;
 260       private var editorStackAccordion:Accordion;
 261       [Bindable] private var editorStack:Container;
 262
 263       public var mapFeatures:MapFeatures;
 264       public var controller:EditController;
 265       private var selectedEntity:Entity;
 266       private var connection:Connection;
 267       private var currentCategorySelector:CategorySelector;
 268       private var categorySelectors:Object = {};        // hash of categorySelectors for each limitType
 269       private var feature:Feature = null;
 270
 271       private var rowData:Object;               // relation membership reference, needed so it's accessible from relation actions menu
 272
 273           public function setEntity(entities:Array, layer:MapPaint=null):void {
 274                 UIComponent.suspendBackgroundProcessing();
 275                 connection=null;
 276
 277                 var firstSelected:Entity=null;
 278                 if (entities.length==1) { firstSelected=entities[0]; }
 279
 280                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 281                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 282                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 283                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 284                 }
 285
 286                 if (entities.length==0) {
 287                         // Nothing selected, so show drag-and-drop panel
 288                         sidebar.selectedChild = dndPanel;
 289
 290                 } else if (entities.length==1) {
 291                         // Single entity selected, so show tag panel
 292                         selectedEntity=firstSelected;
 293                         connection=firstSelected.connection;
 294                         if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
 295                         if (advancedID!=null) { setupAdvanced(firstSelected); }
 296                         if (firstSelected is Relation) { stack.addChild(membersVBox); }
 297             if (selectedEntity is Marker && connection is BugConnection) {
 298               bugPanelContents.init(selectedEntity, BugConnection(connection));
 299               sidebar.selectedChild = bugPanel;
 300             } else if (selectedEntity is Marker) {
 301               markerPanelContents.init(selectedEntity, layer);
 302               sidebar.selectedChild = markerPanel;
 303             } else if (connection is SnapshotConnection) {
 304               backgroundPanelContents.init(selectedEntity, layer);
 305               sidebar.selectedChild = backgroundPanel;
 306             } else {
 307               refreshFeatureIcon();
 308               initialiseEditors();
 309               sidebar.selectedChild = tagsPanel;
 310             }
 311
 312         } else if (entities.length==2
 313                       && xor(entities[0].connection is SnapshotConnection, entities[1].connection is SnapshotConnection)
 314                       && xor(!controller.map.getLayerForEntity(entities[0]).isBackground, !controller.map.getLayerForEntity(entities[1]).isBackground) ) {
 315             backgroundMergePanelContents.init(entities);
 316             sidebar.selectedChild = backgroundMergePanel;
 317
 318                 } else if(isMultipleEditable(entities)) {
 319                         selectedEntity = new EntityCollection(entities);
 320                         selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
 321             sidebar.selectedChild = multiplePanel;
 322                         setupMultiAdvanced(selectedEntity);
 323                         connection=entities[0].connection;
 324
 325                 } else {
 326                         //The selection contains elements which can't be edited all together.
 327                         sidebar.selectedChild = multipleInvalidPanel;
 328                 }
 329                 UIComponent.resumeBackgroundProcessing();
 330       }
 331
 332       private function xor(a:Boolean, b:Boolean):Boolean {
 333           return ( a || b) && !(a && b);
 334       }
 335
 336       private function refreshFeatureIcon():void {
 337           var oldFeature:Feature = feature;
 338           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 339           if ( feature != oldFeature ) {
 340               if ( oldFeature != null )
 341                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 342               if ( feature != null )
 343                   feature.addEventListener("imageChanged", featureImageChanged);
 344           }
 345           setCategorySelector(selectedEntity, feature);
 346       }
 347
 348       private function featureImageChanged(event:Event):void {
 349           setCategorySelector(selectedEntity, feature);
 350       }
 351
 352       /** Set the icon, categorySelector and help text for the current entity. */
 353       private function setCategorySelector(entity:Entity, feature:Feature):void {
 354                         // Remove the "user has selected something" event listener from previous categorySelector,
 355                         // and make it invisible because Flex is crap at updating click areas otherwise
 356                         if (currentCategorySelector) {
 357                                 currentCategorySelector.removeEventListener("selectedType", changeFeatureType);
 358                                 currentCategorySelector.visible=false;
 359                         }
 360
 361                         // Have we cached the categorySelector for this limitType? If not, create one
 362                         var lt:String=limitType(entity);
 363                         if (!categorySelectors[lt]) {
 364                                 categorySelectors[lt]=new CategorySelector();
 365                                 categorySelectors[lt].setLimitTypes(lt);
 366                         }
 367                         currentCategorySelector=categorySelectors[lt];
 368                         currentCategorySelector.addEventListener("selectedType", changeFeatureType, false, 0, true);
 369
 370                         // Update surrounding icon/text display
 371                         if (feature) {
 372                                 iconImage.source = feature.image;
 373                                 iconText.htmlText = feature.htmlDetails(entity);
 374                                 popupChange.label = feature.name;
 375                                 helpLabel.visible = feature.hasHelpURL();
 376                                 currentCategorySelector.setSelectedFeature(feature);
 377                         } else {
 378                                 iconImage.source = null;
 379                                 popupChange.label = "unknown";
 380                                 helpLabel.visible = false;
 381                                 if (entity==null) {
 382                                         iconText.htmlText = "<i>Nothing selected</i>";
 383                                 } else if (entity.hasTags()) {
 384                                         iconText.htmlText = "<b>Not recognised</b><br/><font size='10pt'>Try looking at the tags under the advanced properties</font>";
 385                                 } else {
 386                                         iconText.htmlText = "<b>No tags set</b><br/><font size='10pt'>Please use the menu below to define what this "+entity.getType()+" is</font>";
 387                                 }
 388                                 currentCategorySelector.setSelectedFeature(null);
 389                         }
 390
 391                         // Set it as the popup, and make sure it's visible
 392                         popupChange.popUp=currentCategorySelector;
 393                         currentCategorySelector.visible=true;
 394       }
 395
 396           private function isMultipleEditable(entities:Array):Boolean {
 397                 for each(var entity:Entity in entities) {
 398                         if(!(entity is Node || entity is Way))
 399                                 return false;
 400                 }
 401                 return true;
 402           }
 403
 404       private function limitType(entity:Entity):String {
 405           if      (entity is Node    ) return "point";
 406           else if (entity is Way     ) return Way(entity).isArea() ? "area" : "line";
 407           else if (entity is Relation) return "relation";
 408           return null;
 409       }
 410
 411       private var tabComponents:Object = {};
 412       private var subpanelComponents:Object = {};
 413
 414       private function initialiseEditors():void {
 415                 editorStack.removeAllChildren();
 416                 if ( selectedEntity == null || feature == null )
 417                         return;
 418
 419                 var basicEditorBox:VBox = createEditorBox();
 420                 basicEditorBox.label = "Basic";
 421                 basicEditorBox.icon=tabIconBasic;
 422                 editorStack.addChild(basicEditorBox);
 423
 424                 var tabs:Object = {};
 425                 var tabList:Array = [];
 426                 tabComponents = {};
 427                 var subpanels:Object = {};
 428                 subpanelComponents = {};
 429
 430                 // First create the tabs
 431                 for each (var factory:EditorFactory in feature.editors) {
 432                         var category:String = factory.category;
 433                         if (category!='') {
 434                                 var tab:VBox = tabs[category];
 435                                 if ( tab == null) {
 436                                         tab = createEditorBox();
 437                                         tab.label = category;
 438                                         if (tabIcons[category]) tab.icon=tabIcons[category];
 439                                         tabs[category] = tab;
 440                                         tabList.push(tab);
 441                                 }
 442                         }
 443                 }
 444
 445                 // Put the tabs on-screen in order
 446                 tabList.sort(sortCategories,16);
 447                 for each (tab in tabList) {
 448                         editorStack.addChild(tab);
 449                         tabComponents[tab] = [];
 450                 }
 451
 452                 // Then add the individual editors to them
 453                 for each (factory in feature.editors) {
 454
 455                         // Add to basic editor box first
 456                         if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 457                                 var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 458                                 if (editor) basicEditorBox.addChild(editor);
 459                         }
 460
 461                         // Then prepare to add to category panel
 462                         category=factory.category;
 463                         if (factory.category=='') continue;
 464                         var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 465                         if (!catEditor) continue;
 466                         tab=tabs[category];
 467
 468                         // Create subcategory panel if needed
 469                         if (factory.subcategory) {
 470                                 var subcategory:String = factory.subcategory;
 471                                 if (!subpanels[category]) { subpanels[category]={}; }
 472                                 var subpanel:CollapsiblePanel = subpanels[category][subcategory];
 473                                 if (!subpanel) {
 474                                         subpanel=new CollapsiblePanel(false);
 475                                         subpanel.percentWidth=100;
 476                                         subpanel.styleName="subcategoryPanel";
 477                                         subpanel.title=subcategory;
 478                                         subpanels[category][subcategory]=subpanel;
 479                                         tabComponents[tab].push(subpanel);
 480                                 }
 481                                 subpanel.addChild(catEditor);
 482                         } else {
 483                                 tabComponents[tab].push(catEditor);
 484                         }
 485                 }
 486       }
 487
 488         // ** FIXME: Order probably shouldn't be hard-coded, but configurable
 489         private static var categoryOrder:Array=["Restrictions","Transport","Cycle","Walk","Address","Details"]; // reverse order
 490         private function sortCategories(a:VBox,b:VBox):int {
 491                 var a1:int=categoryOrder.indexOf(a.label);
 492                 var a2:int=categoryOrder.indexOf(b.label);
 493                 if (a1<a2) { return 1; }
 494                 else if (a1>a2) { return -1; }
 495                 return 0;
 496         }
 497
 498       private function createEditorBox():VBox {
 499           var box:VBox = new VBox();
 500           box.percentWidth = 100;
 501           box.percentHeight = 100;
 502           box.styleName = "dndEditorContainer";
 503           return box;
 504       }
 505
 506       private function ensureEditorsPopulated(tab:VBox):void {
 507           var components:Array = tabComponents[tab];
 508           if ( components == null || tab == null || tab.numChildren >= components.length )
 509               return;
 510           for each (var component:DisplayObject in components ) {
 511               tab.addChild(component);
 512           }
 513       }
 514
 515         private function initEditorStackUIs():void {
 516                 editorStackTabNavigator = new TabNavigator();
 517 //              editorStackTabNavigator.allowTabSqueezing=false;
 518 //              editorStackTabNavigator.minTabWidth=10;
 519 //              editorStackTabNavigator.closePolicy="close_never";
 520 //              editorStackTabNavigator.scrollSpeed=20;
 521                 editorStackTabNavigator.creationPolicy="auto";
 522                 editorStackTabNavigator.percentWidth=100;
 523                 editorStackTabNavigator.percentHeight=100;
 524                 editorStackTabNavigator.styleName="dndStackTab";
 525 //              editorStackTabNavigator.popUpButtonPolicy="off"
 526
 527
 528                 editorStackAccordion = new Accordion();
 529                 editorStackAccordion.percentWidth=100;
 530                 editorStackAccordion.percentHeight=100;
 531                 editorStackAccordion.creationPolicy="auto";
 532                 editorStackAccordion.styleName="dndStackAccordion";
 533                 /* FIXME: the accordion icons should be right-aligned. See:
 534                 http://www.kristoferjoseph.com/blog/2008/11/06/positioning-the-flex-accordion-header-icon
 535                 http://blog.flexexamples.com/2007/09/13/changing-text-alignment-in-an-flex-accordion-header/
 536                 */
 537
 538                 setEditorStackUI(true);
 539         }
 540
 541         private function setEditorStackUI(isTabbed:Boolean):void {
 542                 var children:Array=[]; var i:uint;
 543
 544                 if (editorStack) {
 545                         // blank existing component
 546                         editorStack.removeEventListener("change",editorStackUIChange);
 547                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 548                         editorStack.removeAllChildren();
 549                         editorContainer.removeChildAt(1);
 550                 }
 551
 552                 // replace with new component
 553                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 554                 editorContainer.addChild(editorStack);
 555
 556                 // re-add children and listeners
 557                 initialiseEditors();
 558                 editorStack.addEventListener("change",editorStackUIChange);
 559                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 560         }
 561
 562         private function editorStackUIChange(event:Event):void {
 563                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 564         }
 565
 566         private function editorStackUIUpdate(event:Event):void {
 567                 if (editorStack is TabNavigator) {
 568                         var e:TabNavigator = editorStack as TabNavigator;
 569                         if (e.selectedIndex<0) { return; }
 570                         for (var i:uint=0; i<e.numChildren; i++) {
 571                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 572                         }
 573                 }
 574         }
 575
 576
 577         public function togglePanel():void {
 578                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 579                         stack.selectedChild=advancedContainer;
 580                 } else if (stack.selectedChild!=editorContainer) {
 581                         stack.selectedChild=editorContainer;
 582                 }
 583         }
 584
 585         public function selectAdvancedPanel():void {
 586                 checkAdvanced();
 587                 stack.selectedChild=advancedContainer;
 588         }
 589
 590       private function checkAdvanced():void {
 591           if ( selectedEntity != null )
 592              setupAdvanced(selectedEntity);
 593       }
 594
 595       private var listeningToRelations:Array = [];
 596
 597       private function setupAdvanced(entity:Entity):void {
 598                 if (!advancedTagGrid) advancedContainer.createComponentsFromDescriptors();      // if Flex hasn't created it, force it
 599                 advancedTagGrid.init(entity);
 600
 601                 if ( entity == null ) {
 602                         advancedID.htmlText = "";
 603                 } else {
 604                         var entityText:String = "xx";
 605                         if      ( entity is Node     ) entityText = "Node";
 606                         else if ( entity is Way      ) entityText = "Way";
 607                         else if ( entity is Relation ) entityText = "Relation";
 608                         advancedID.htmlText = entityText+": <b>"+entity.id+"</b> "+(entity.status ? entity.status : '');
 609                 }
 610
 611                 removeRelationListeners();
 612
 613                 if ( entity == null ) {
 614                         relationsGrid.dataProvider = null;
 615                 } else {
 616                         resetRelationsGrid(entity);
 617                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 618                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 619                 }
 620       }
 621
 622           private function setupMultiAdvanced(entity:Entity):void {
 623                 multiAdvancedTagGrid.init(entity);
 624                 resetRelationsGrid(entity);
 625                 entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation, false, 0, true);
 626                 entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation, false, 0, true);
 627       }
 628
 629           public function addNewTag():void {
 630                 if (stack.selectedChild!=advancedContainer) { return; }
 631                 advancedTagGrid.addNewTag();
 632           }
 633
 634       private function addedToRelation(event:RelationMemberEvent):void {
 635          resetRelationsGrid(selectedEntity);
 636       }
 637
 638       private function removedFromRelation(event:RelationMemberEvent):void {
 639          resetRelationsGrid(selectedEntity);
 640       }
 641
 642       private function removeRelationListeners():void {
 643           for each( var rel:Relation in listeningToRelations ) {
 644               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 645               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 646               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 647           }
 648           listeningToRelations = [];
 649           if (relationsGrid) relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 650           if (multiRelationsGrid) multiRelationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 651       }
 652
 653       private function resetRelationsGrid(entity:Entity):void {
 654           removeRelationListeners();
 655
 656           var instance:DataGrid=relationsGrid;
 657           if (entity is EntityCollection) instance=multiRelationsGrid;
 658           var memberships:Array = entity.getRelationMemberships();
 659           for each (var m:Object in memberships) {
 660               m.relation.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 661               m.relation.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 662               m.relation.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 663               listeningToRelations.push(m.relation);
 664           }
 665           instance.dataProvider = memberships;
 666           instance.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 667       }
 668
 669       private function relationRoleChanged(event:DataGridEvent):void {
 670                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 671
 672                 var relations:Array=event.currentTarget.dataProvider.toArray();
 673                 var props:Object=relations[event.rowIndex];
 674
 675                 var relation:Relation=props['relation'];
 676                 var newRole:String=event.itemRenderer.data['role'];
 677
 678                 if (selectedEntity is EntityCollection) {
 679                         for each (var entity:Entity in EntityCollection(selectedEntity).entities) {
 680                                 var indexes:Array=relation.findEntityMemberIndexes(entity);
 681                                 for each (var index:int in indexes) {
 682                                         relation.setMember(index, new RelationMember(entity,newRole), MainUndoStack.getGlobalStack().addAction);
 683                                 }
 684                         }
 685                 } else {
 686                         relation.setMember(props['index'], new RelationMember(selectedEntity,newRole), MainUndoStack.getGlobalStack().addAction);
 687                 }
 688       }
 689
 690       private function relationTagChanged(event:TagEvent):void {
 691           resetRelationsGrid(selectedEntity);
 692       }
 693
 694       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 695           resetRelationsGrid(selectedEntity);
 696       }
 697
 698       private function checkMembers():void {
 699           if (selectedEntity is Relation) {
 700             setupMembers(selectedEntity as Relation);
 701           }
 702       }
 703
 704       private function setupMembers(rel:Relation):void {
 705           var members:Array = [];
 706           for (var i:int=0 ; i<rel.length; i++) {
 707             var props:Object = {};
 708             var member:RelationMember = rel.getMember(i);
 709             props["id"] = member.entity.id;
 710             props["type"] = member.entity.getType();
 711             props["role"] = member.role;
 712
 713             members.push(props);
 714           }
 715           membersGrid.dataProvider = members;
 716           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 717       }
 718
 719       private function membersChange(event:Event):void {
 720           // Dropping all the members and re-adding them isn't exactly optimal
 721           // but is at least robust for any kind of change.
 722           // Figuring out a better way is someone else's FIXME
 723
 724           var rel:Relation = selectedEntity as Relation;
 725           var action:CompositeUndoableAction = new CompositeUndoableAction("Rearrange relation members for "+rel);
 726
 727           // drop members
 728           for (var i:int=rel.length-1 ; i>=0; i--) {
 729             rel.removeMemberByIndex(i, action.push);
 730           }
 731
 732           // add members in new order
 733           for each(var memberObject:Object in membersGrid.dataProvider) {
 734             var e:Entity;
 735             var id:Number = memberObject.id;
 736                         switch (memberObject.type) {
 737                                 case 'node':            e = connection.getNode(id); break;
 738                 case 'way':                     e = connection.getWay(id); break;
 739                                 case 'relation':        e = connection.getRelation(id); break;
 740             }
 741             rel.appendMember(new RelationMember(e, memberObject.role), action.push);
 742           }
 743           MainUndoStack.getGlobalStack().addAction(action);
 744       }
 745
 746       private function editRelation(id:Number):void {
 747           var panel:RelationEditorPanel = RelationEditorPanel(
 748               PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
 749           panel.setRelation(connection.getRelation(id));
 750           PopUpManager.centerPopUp(panel);
 751       }
 752
 753         /** Create relation actions menu */
 754
 755         public function createRelationMenu(button:PopUpButton):void {
 756                 var menu:Menu = new Menu();
 757                 var dp:Object = [ {label: "Select all members"},
 758                                                   {label: "Deselect all members"},
 759                                                   {label: "Add selection to this relation", enabled: false},
 760                                                   {label: "Delete relation"} ];
 761                 menu.dataProvider = dp;
 762                 menu.addEventListener("itemClick", selectRelationMenu);
 763                 button.popUp = menu;
 764         }
 765
 766         /** Enable 'add selection to...' entry only if some of the selection isn't in the relation.
 767             Called each time the menu is clicked. */
 768
 769         public function updateRelationMenu(event:Event):void {
 770                 rowData=event.target.parent.data;       // this makes it accessible from selectRelationMenu
 771                 var menu:Menu = Menu(event.target.popUp);
 772                 var enable:Boolean = false;
 773                 if (selectedEntity != null && selectedEntity is EntityCollection) {
 774                         // Enable only if some entities aren't a member of the relation
 775                         enable=!rowData.universal;
 776                 }
 777                 if (enable==menu.dataProvider[2].enabled) return;
 778                 menu.dataProvider[2].enabled=enable;
 779                 menu.invalidateList();
 780         }
 781
 782         /** Do the action selected in the relation actions menu */
 783
 784         public function selectRelationMenu(event:MenuEvent):void {
 785                 var rel:Relation=rowData.relation;
 786                 var entities:Array;
 787                 var controller:EditController=FlexGlobals.topLevelApplication.theController;
 788                 switch (event.index) {
 789                         case 0: // Select all members
 790                                 entities=selectedEntity.entities.concat(rel.memberEntities);
 791                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return arr.indexOf(e) == i } );      // remove duplicates
 792                                 // ** FIXME: This is a really horrible way of changing the controller state
 793                                 controller.setState(controller.findStateForSelection(entities));
 794                                 break;
 795
 796                         case 1: // Deselect all members
 797                                 entities=selectedEntity.entities;
 798                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return !e.hasParent(rel) } );
 799                                 controller.setState(controller.findStateForSelection(entities));
 800                                 break;
 801
 802                         case 2: // Add selection to this relation
 803                                 var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 804                                 for each (var entity:Entity in selectedEntity.entities) {
 805                                         if (!entity.hasParent(rel)) {
 806                                                 rel.appendMember(new RelationMember(entity,''), undo.push);
 807                                         }
 808                                 }
 809                                 MainUndoStack.getGlobalStack().addAction(undo);
 810                                 break;
 811
 812                         case 3: // Delete relation
 813                                 Alert.show("Do you really want to delete the relation?","Are you sure?",Alert.YES | Alert.CANCEL,null,
 814                                         function(event:CloseEvent):void {
 815                                                 if (event.detail==Alert.CANCEL) return;
 816                                                 rel.remove(MainUndoStack.getGlobalStack().addAction);
 817                                         } );
 818                                 break;
 819                 }
 820         }
 821
 822       private function tagChanged(event:TagEvent):void {
 823           refreshFeatureIcon();
 824       }
 825
 826       public function loadFeatures():void {
 827           mapFeatures = MapFeatures.getInstance();
 828           stack.removeChild(membersVBox); // remove by default, will be added if relation
 829       }
 830
 831       /** Open up a new browser page, showing the help page as defined in Map Features XML file .*/
 832       public function openDescription():void {
 833           if ( feature != null && feature.hasHelpURL() )
 834               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 835       }
 836
 837       /** Open up a new browser page showing OSM's view of the current entity. */
 838       public function openEntityPage():void {
 839           if (selectedEntity != null && selectedEntity.id >= 0) {
 840               // This is slightly hard-coded, but not drastically. The ../s could be changed for string manipulation of the apiBase
 841               var urlBase:String = connection.apiBase + '../../browse/'
 842               navigateToURL(new URLRequest(urlBase+selectedEntity.getType()+'/'+selectedEntity.id), "potlatch_browse");
 843           }
 844       }
 845
 846       public function addToRelation():void {
 847           new RelationSelectPanel().init(selectedEntity,new Object());
 848       }
 849
 850       private function removeFromRelation(id:Number, index:int=-1):void {
 851                 var rel:Relation=connection.getRelation(id);
 852                 if (index>-1) {
 853                         rel.removeMemberByIndex(index, MainUndoStack.getGlobalStack().addAction);
 854                 } else if (selectedEntity is EntityCollection) {
 855                         var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 856                         for each (var e:Entity in EntityCollection(selectedEntity).entities) rel.removeMember(e,undo.push);
 857                         MainUndoStack.getGlobalStack().addAction(undo);
 858                 }
 859       }
 860
 861       public function changeFeatureType(event:Event):void {
 862           if ( selectedEntity == null )
 863               return;
 864
 865           UIComponent.suspendBackgroundProcessing();
 866           var newFeature:Feature = currentCategorySelector.selectedType;
 867           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 868           var action:CompositeUndoableAction = new CompositeUndoableAction(
 869                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 870                   selectedEntity.suspend();
 871
 872           // build a list of tags that are editable in new feature
 873           var editableTags:Array = new Array();
 874           for each( var editor:EditorFactory in newFeature.editors ) {
 875               if ( editor is SingleTagEditorFactory ) {
 876                   var singleTagEditor:SingleTagEditorFactory = editor as SingleTagEditorFactory;
 877                   editableTags.push(singleTagEditor.key);
 878               }
 879           }
 880
 881           // remove tags from the current feature
 882           if ( feature != null ) {
 883               for each( var oldtag:Object in feature.tags ) {
 884                   if ( editableTags.indexOf(oldtag["k"]) < 0 ) {
 885                       selectedEntity.setTag(oldtag["k"], null, action.push);
 886                   }
 887               }
 888           }
 889
 890           // set tags for new feature
 891           if ( newFeature != null ) {
 892               for each( var newtag:Object in newFeature.tags ) {
 893                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 894               }
 895           }
 896
 897                   selectedEntity.resume();
 898           undoStack(action);
 899           popupChange.close();
 900           initialiseEditors();
 901           UIComponent.resumeBackgroundProcessing();
 902       }
 903
 904         private function resizePOIGrid(event:Event):void {
 905                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 906                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 907                 event.target.height=rows*(event.target.rowHeight+1);
 908         }
 909   ]]></fx:Script>
 910 </mx:VBox>
 911