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.VBox;
 233       import mx.containers.HBox;
 234       import mx.containers.TabNavigator;
 235       import mx.containers.Accordion;
 236       import mx.events.*;
 237       import mx.core.*;
 238       import mx.managers.PopUpManager;
 239       import mx.controls.Menu;
 240       import mx.controls.Alert;
 241       import flash.geom.Point;
 242       import flash.net.*;
 243       import mx.events.DragEvent;
 244       import mx.managers.DragManager;
 245       import mx.core.DragSource;
 246       import mx.controls.TabBar;
 247       import spark.components.Form;
 248       import spark.layouts.FormLayout;
 249 //    import flexlib.containers.SuperTabNavigator;
 250
 251       [Bindable] [Embed(source="../../../embedded/tab_basic.png"       )] private var tabIconBasic:Class;
 252       [Bindable] [Embed(source="../../../embedded/tab_address.png"     )] private var tabIconAddress:Class;
 253       [Bindable] [Embed(source="../../../embedded/tab_cycle.png"       )] private var tabIconCycle:Class;
 254       [Bindable] [Embed(source="../../../embedded/tab_details.png"     )] private var tabIconDetails:Class;
 255       [Bindable] [Embed(source="../../../embedded/tab_restrictions.png")] private var tabIconRestrictions:Class;
 256       [Bindable] [Embed(source="../../../embedded/tab_transport.png"   )] private var tabIconTransport:Class;
 257       [Bindable] [Embed(source="../../../embedded/tab_walk.png"        )] private var tabIconWalk:Class;
 258       private var tabIcons:Object= { Basic:tabIconBasic, Details:tabIconDetails, Address:tabIconAddress, Walk:tabIconWalk, Cycle:tabIconCycle,
 259                                          Transport:tabIconTransport, Restrictions:tabIconRestrictions};
 260
 261       [Bindable]
 262       public var dndPrompt:String="Add new points by dragging them onto the map";
 263
 264       private var editorStackTabNavigator:TabNavigator;
 265       private var editorStackAccordion:Accordion;
 266       [Bindable] private var editorStack:Container;
 267
 268       public var mapFeatures:MapFeatures;
 269       public var controller:EditController;
 270       private var selectedEntity:Entity;
 271       private var connection:Connection;
 272       private var currentCategorySelector:CategorySelector;
 273       private var categorySelectors:Object = {};        // hash of categorySelectors for each limitType
 274       private var feature:Feature = null;
 275
 276       private var rowData:Object;               // relation membership reference, needed so it's accessible from relation actions menu
 277
 278           public function setEntity(entities:Array, layer:MapPaint=null):void {
 279                 UIComponent.suspendBackgroundProcessing();
 280                 connection=null;
 281
 282                 var firstSelected:Entity=null;
 283                 if (entities.length==1) { firstSelected=entities[0]; }
 284
 285                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 286                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 287                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 288                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 289                 }
 290
 291                 if (entities.length==0) {
 292                         // Nothing selected, so show drag-and-drop panel
 293                         sidebar.selectedChild = dndPanel;
 294
 295                 } else if (entities.length==1) {
 296                         // Single entity selected, so show tag panel
 297                         selectedEntity=firstSelected;
 298                         connection=firstSelected.connection;
 299                         if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
 300                         if (advancedID!=null) { setupAdvanced(firstSelected); }
 301                         if (firstSelected is Relation) { stack.addChild(membersVBox); }
 302             if (selectedEntity is Marker && connection is BugConnection) {
 303               bugPanelContents.init(selectedEntity, BugConnection(connection));
 304               sidebar.selectedChild = bugPanel;
 305             } else if (selectedEntity is Marker) {
 306               markerPanelContents.init(selectedEntity, layer);
 307               sidebar.selectedChild = markerPanel;
 308             } else if (connection is SnapshotConnection) {
 309               backgroundPanelContents.init(selectedEntity, layer);
 310               sidebar.selectedChild = backgroundPanel;
 311             } else {
 312               refreshFeatureIcon();
 313               initialiseEditors();
 314               sidebar.selectedChild = tagsPanel;
 315             }
 316
 317         } else if (entities.length==2
 318                       && xor(entities[0].connection is SnapshotConnection, entities[1].connection is SnapshotConnection)
 319                       && xor(!controller.map.getLayerForEntity(entities[0]).isBackground, !controller.map.getLayerForEntity(entities[1]).isBackground) ) {
 320             backgroundMergePanelContents.init(entities);
 321             sidebar.selectedChild = backgroundMergePanel;
 322
 323                 } else if(isMultipleEditable(entities)) {
 324                         selectedEntity = new EntityCollection(entities);
 325                         selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
 326             sidebar.selectedChild = multiplePanel;
 327                         setupMultiAdvanced(selectedEntity);
 328                         connection=entities[0].connection;
 329
 330                 } else {
 331                         //The selection contains elements which can't be edited all together.
 332                         sidebar.selectedChild = multipleInvalidPanel;
 333                 }
 334                 UIComponent.resumeBackgroundProcessing();
 335       }
 336
 337       private function xor(a:Boolean, b:Boolean):Boolean {
 338           return ( a || b) && !(a && b);
 339       }
 340
 341       private function refreshFeatureIcon():void {
 342           var oldFeature:Feature = feature;
 343           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 344           if ( feature != oldFeature ) {
 345               if ( oldFeature != null )
 346                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 347               if ( feature != null )
 348                   feature.addEventListener("imageChanged", featureImageChanged);
 349           }
 350           setCategorySelector(selectedEntity, feature);
 351       }
 352
 353       private function featureImageChanged(event:Event):void {
 354           setCategorySelector(selectedEntity, feature);
 355       }
 356
 357       /** Set the icon, categorySelector and help text for the current entity. */
 358       private function setCategorySelector(entity:Entity, feature:Feature):void {
 359                         // Remove the "user has selected something" event listener from previous categorySelector,
 360                         // and make it invisible because Flex is crap at updating click areas otherwise
 361                         if (currentCategorySelector) {
 362                                 currentCategorySelector.removeEventListener("selectedType", changeFeatureType);
 363                                 currentCategorySelector.visible=false;
 364                         }
 365
 366                         // Have we cached the categorySelector for this limitType? If not, create one
 367                         var lt:String=limitType(entity);
 368                         if (!categorySelectors[lt]) {
 369                                 categorySelectors[lt]=new CategorySelector();
 370                                 categorySelectors[lt].setLimitTypes(lt);
 371                         }
 372                         currentCategorySelector=categorySelectors[lt];
 373                         currentCategorySelector.addEventListener("selectedType", changeFeatureType, false, 0, true);
 374
 375                         // Update surrounding icon/text display
 376                         if (feature) {
 377                                 iconImage.source = feature.image;
 378                                 iconText.htmlText = feature.htmlDetails(entity);
 379                                 popupChange.label = feature.name;
 380                                 helpLabel.visible = feature.hasHelpURL();
 381                                 currentCategorySelector.setSelectedFeature(feature);
 382                         } else {
 383                                 iconImage.source = null;
 384                                 popupChange.label = "unknown";
 385                                 helpLabel.visible = false;
 386                                 if (entity==null) {
 387                                         iconText.htmlText = "<i>Nothing selected</i>";
 388                                 } else if (entity.hasTags()) {
 389                                         iconText.htmlText = "<b>Not recognised</b><br/><font size='10pt'>Try looking at the tags under the advanced properties</font>";
 390                                 } else {
 391                                         iconText.htmlText = "<b>No tags set</b><br/><font size='10pt'>Please use the menu below to define what this "+entity.getType()+" is</font>";
 392                                 }
 393                                 currentCategorySelector.setSelectedFeature(null);
 394                         }
 395
 396                         // Set it as the popup, and make sure it's visible
 397                         popupChange.popUp=currentCategorySelector;
 398                         currentCategorySelector.visible=true;
 399       }
 400
 401           private function isMultipleEditable(entities:Array):Boolean {
 402                 for each(var entity:Entity in entities) {
 403                         if(!(entity is Node || entity is Way))
 404                                 return false;
 405                 }
 406                 return true;
 407           }
 408
 409       private function limitType(entity:Entity):String {
 410           if      (entity is Node    ) return "point";
 411           else if (entity is Way     ) return Way(entity).isArea() ? "area" : "line";
 412           else if (entity is Relation) return "relation";
 413           return null;
 414       }
 415
 416       private var tabComponents:Object = {};
 417       private var subpanelComponents:Object = {};
 418
 419       private function initialiseEditors():void {
 420                 editorStack.removeAllChildren();
 421                 if ( selectedEntity == null || feature == null )
 422                         return;
 423
 424                 var basicEditorBox:VBox = createEditorBox();
 425                 basicEditorBox.label = "Basic";
 426                 basicEditorBox.icon=tabIconBasic;
 427                 editorStack.addChild(basicEditorBox);
 428
 429                 var tabs:Object = {};
 430                 var tabList:Array = [];
 431                 tabComponents = {};
 432                 var subpanels:Object = {};
 433                 subpanelComponents = {};
 434
 435                 // First create the tabs
 436                 for each (var factory:EditorFactory in feature.editors) {
 437                         var category:String = factory.category;
 438                         if (category!='') {
 439                                 var tab:VBox = tabs[category];
 440                                 if ( tab == null) {
 441                                         tab = createEditorBox();
 442                                         tab.label = category;
 443                                         if (tabIcons[category]) tab.icon=tabIcons[category];
 444                                         tabs[category] = tab;
 445                                         tabList.push(tab);
 446                                 }
 447                         }
 448                 }
 449
 450                 // Put the tabs on-screen in order
 451                 tabList.sort(sortCategories,16);
 452                 for each (tab in tabList) {
 453                         editorStack.addChild(tab);
 454                         tabComponents[tab] = [];
 455                 }
 456
 457                 // Then add the individual editors to them
 458                 for each (factory in feature.editors) {
 459
 460                         // Add to basic editor box first
 461                         if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 462                                 var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 463                                 if (editor) Form(basicEditorBox.getChildByName("form")).addElement(UIComponent(editor));
 464                         }
 465
 466                         // Then prepare to add to category panel
 467                         category=factory.category;
 468                         if (factory.category=='') continue;
 469                         var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 470                         if (!catEditor) continue;
 471                         tab=tabs[category];
 472
 473                         // Create subcategory panel if needed
 474                         if (factory.subcategory) {
 475                                 var subcategory:String = factory.subcategory;
 476                                 if (!subpanels[category]) { subpanels[category]={}; }
 477                                 var subpanel:CollapsiblePanel = subpanels[category][subcategory];
 478                                 if (!subpanel) {
 479                                         subpanel=new CollapsiblePanel(false);
 480                                         subpanel.percentWidth=100;
 481                                         subpanel.styleName="subcategoryPanel";
 482                                         subpanel.title=subcategory;
 483                                         subpanels[category][subcategory]=subpanel;
 484                                         tabComponents[tab].push(subpanel);
 485                                 }
 486                                 subpanel.addChild(catEditor);
 487                         } else {
 488                                 tabComponents[tab].push(catEditor);
 489                         }
 490                 }
 491       }
 492
 493         // ** FIXME: Order probably shouldn't be hard-coded, but configurable
 494         private static var categoryOrder:Array=["Restrictions","Transport","Cycle","Walk","Address","Details"]; // reverse order
 495         private function sortCategories(a:VBox,b:VBox):int {
 496                 var a1:int=categoryOrder.indexOf(a.label);
 497                 var a2:int=categoryOrder.indexOf(b.label);
 498                 if (a1<a2) { return 1; }
 499                 else if (a1>a2) { return -1; }
 500                 return 0;
 501         }
 502
 503       private function createEditorBox():VBox {
 504           var box:VBox = new VBox();
 505           box.percentWidth = 100;
 506           box.percentHeight = 100;
 507           box.styleName = "dndEditorContainer";
 508           var form:Form = new Form();
 509           form.name = "form";
 510           var layout:FormLayout = new FormLayout();
 511           form.layout = layout;
 512           box.addChild(form);
 513           return box;
 514       }
 515
 516       private function ensureEditorsPopulated(tab:VBox):void {
 517           var components:Array = tabComponents[tab];
 518           if ( components == null || tab == null || tab.numChildren >= components.length )
 519               return;
 520           for each (var component:DisplayObject in components ) {
 521               Form(tab.getChildByName("form")).addElement(UIComponent(component));
 522           }
 523       }
 524
 525         private function initEditorStackUIs():void {
 526                 editorStackTabNavigator = new TabNavigator();
 527 //              editorStackTabNavigator.allowTabSqueezing=false;
 528 //              editorStackTabNavigator.minTabWidth=10;
 529 //              editorStackTabNavigator.closePolicy="close_never";
 530 //              editorStackTabNavigator.scrollSpeed=20;
 531                 editorStackTabNavigator.creationPolicy="auto";
 532                 editorStackTabNavigator.percentWidth=100;
 533                 editorStackTabNavigator.percentHeight=100;
 534                 editorStackTabNavigator.styleName="dndStackTab";
 535 //              editorStackTabNavigator.popUpButtonPolicy="off"
 536
 537
 538                 editorStackAccordion = new Accordion();
 539                 editorStackAccordion.percentWidth=100;
 540                 editorStackAccordion.percentHeight=100;
 541                 editorStackAccordion.creationPolicy="auto";
 542                 editorStackAccordion.styleName="dndStackAccordion";
 543                 /* FIXME: the accordion icons should be right-aligned. See:
 544                 http://www.kristoferjoseph.com/blog/2008/11/06/positioning-the-flex-accordion-header-icon
 545                 http://blog.flexexamples.com/2007/09/13/changing-text-alignment-in-an-flex-accordion-header/
 546                 */
 547
 548                 setEditorStackUI(true);
 549         }
 550
 551         private function setEditorStackUI(isTabbed:Boolean):void {
 552                 var children:Array=[]; var i:uint;
 553
 554                 if (editorStack) {
 555                         // blank existing component
 556                         editorStack.removeEventListener("change",editorStackUIChange);
 557                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 558                         editorStack.removeAllChildren();
 559                         editorContainer.removeChildAt(1);
 560                 }
 561
 562                 // replace with new component
 563                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 564                 editorContainer.addChild(editorStack);
 565
 566                 // re-add children and listeners
 567                 initialiseEditors();
 568                 editorStack.addEventListener("change",editorStackUIChange);
 569                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 570         }
 571
 572         private function editorStackUIChange(event:Event):void {
 573                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 574         }
 575
 576         private function editorStackUIUpdate(event:Event):void {
 577                 if (editorStack is TabNavigator) {
 578                         var e:TabNavigator = editorStack as TabNavigator;
 579                         if (e.selectedIndex<0) { return; }
 580                         for (var i:uint=0; i<e.numChildren; i++) {
 581                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 582                         }
 583                 }
 584         }
 585
 586
 587         public function togglePanel():void {
 588                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 589                         stack.selectedChild=advancedContainer;
 590                 } else if (stack.selectedChild!=editorContainer) {
 591                         stack.selectedChild=editorContainer;
 592                 }
 593         }
 594
 595         public function selectAdvancedPanel():void {
 596                 checkAdvanced();
 597                 stack.selectedChild=advancedContainer;
 598         }
 599
 600       private function checkAdvanced():void {
 601           if ( selectedEntity != null )
 602              setupAdvanced(selectedEntity);
 603       }
 604
 605       private var listeningToRelations:Array = [];
 606
 607       private function setupAdvanced(entity:Entity):void {
 608                 if (!advancedTagGrid) advancedContainer.createComponentsFromDescriptors();      // if Flex hasn't created it, force it
 609                 advancedTagGrid.init(entity);
 610
 611                 if ( entity == null ) {
 612                         advancedID.htmlText = "";
 613                 } else {
 614                         var entityText:String = "xx";
 615                         if      ( entity is Node     ) entityText = "Node";
 616                         else if ( entity is Way      ) entityText = "Way";
 617                         else if ( entity is Relation ) entityText = "Relation";
 618                         advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 619                 }
 620
 621                 removeRelationListeners();
 622
 623                 if ( entity == null ) {
 624                         relationsGrid.dataProvider = null;
 625                 } else {
 626                         resetRelationsGrid(entity);
 627                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 628                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 629                 }
 630       }
 631
 632           private function setupMultiAdvanced(entity:Entity):void {
 633                 multiAdvancedTagGrid.init(entity);
 634                 resetRelationsGrid(entity);
 635                 entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation, false, 0, true);
 636                 entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation, false, 0, true);
 637       }
 638
 639           public function addNewTag():void {
 640                 if (stack.selectedChild!=advancedContainer) { return; }
 641                 advancedTagGrid.addNewTag();
 642           }
 643
 644       private function addedToRelation(event:RelationMemberEvent):void {
 645          resetRelationsGrid(selectedEntity);
 646       }
 647
 648       private function removedFromRelation(event:RelationMemberEvent):void {
 649          resetRelationsGrid(selectedEntity);
 650       }
 651
 652       private function removeRelationListeners():void {
 653           for each( var rel:Relation in listeningToRelations ) {
 654               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 655               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 656               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 657           }
 658           listeningToRelations = [];
 659           if (relationsGrid) relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 660           if (multiRelationsGrid) multiRelationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 661       }
 662
 663       private function resetRelationsGrid(entity:Entity):void {
 664           removeRelationListeners();
 665
 666           var instance:DataGrid=relationsGrid;
 667           if (entity is EntityCollection) instance=multiRelationsGrid;
 668           var memberships:Array = entity.getRelationMemberships();
 669           for each (var m:Object in memberships) {
 670               m.relation.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 671               m.relation.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 672               m.relation.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 673               listeningToRelations.push(m.relation);
 674           }
 675           instance.dataProvider = memberships;
 676           instance.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 677       }
 678
 679       private function relationRoleChanged(event:DataGridEvent):void {
 680                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 681
 682                 var relations:Array=event.currentTarget.dataProvider.toArray();
 683                 var props:Object=relations[event.rowIndex];
 684
 685                 var relation:Relation=props['relation'];
 686                 var newRole:String=event.itemRenderer.data['role'];
 687
 688                 if (selectedEntity is EntityCollection) {
 689                         for each (var entity:Entity in EntityCollection(selectedEntity).entities) {
 690                                 var indexes:Array=relation.findEntityMemberIndexes(entity);
 691                                 for each (var index:int in indexes) {
 692                                         relation.setMember(index, new RelationMember(entity,newRole), MainUndoStack.getGlobalStack().addAction);
 693                                 }
 694                         }
 695                 } else {
 696                         relation.setMember(props['index'], new RelationMember(selectedEntity,newRole), MainUndoStack.getGlobalStack().addAction);
 697                 }
 698       }
 699
 700       private function relationTagChanged(event:TagEvent):void {
 701           resetRelationsGrid(selectedEntity);
 702       }
 703
 704       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 705           resetRelationsGrid(selectedEntity);
 706       }
 707
 708       private function checkMembers():void {
 709           if (selectedEntity is Relation) {
 710             setupMembers(selectedEntity as Relation);
 711           }
 712       }
 713
 714       private function setupMembers(rel:Relation):void {
 715           var members:Array = [];
 716           for (var i:int=0 ; i<rel.length; i++) {
 717             var props:Object = {};
 718             var member:RelationMember = rel.getMember(i);
 719             props["id"] = member.entity.id;
 720             props["type"] = member.entity.getType();
 721             props["role"] = member.role;
 722
 723             members.push(props);
 724           }
 725           membersGrid.dataProvider = members;
 726           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 727       }
 728
 729       private function membersChange(event:Event):void {
 730           // Dropping all the members and re-adding them isn't exactly optimal
 731           // but is at least robust for any kind of change.
 732           // Figuring out a better way is someone else's FIXME
 733
 734           var rel:Relation = selectedEntity as Relation;
 735           var action:CompositeUndoableAction = new CompositeUndoableAction("Rearrange relation members for "+rel);
 736
 737           // drop members
 738           for (var i:int=rel.length-1 ; i>=0; i--) {
 739             rel.removeMemberByIndex(i, action.push);
 740           }
 741
 742           // add members in new order
 743           for each(var memberObject:Object in membersGrid.dataProvider) {
 744             var e:Entity;
 745             var id:Number = memberObject.id;
 746                         switch (memberObject.type) {
 747                                 case 'node':            e = connection.getNode(id); break;
 748                 case 'way':                     e = connection.getWay(id); break;
 749                                 case 'relation':        e = connection.getRelation(id); break;
 750             }
 751             rel.appendMember(new RelationMember(e, memberObject.role), action.push);
 752           }
 753           MainUndoStack.getGlobalStack().addAction(action);
 754       }
 755
 756       private function editRelation(id:Number):void {
 757           var panel:RelationEditorPanel = RelationEditorPanel(
 758               PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
 759           panel.setRelation(connection.getRelation(id));
 760           PopUpManager.centerPopUp(panel);
 761       }
 762
 763         /** Create relation actions menu */
 764
 765         public function createRelationMenu(button:PopUpButton):void {
 766                 var menu:Menu = new Menu();
 767                 var dp:Object = [ {label: "Select all members"},
 768                                                   {label: "Deselect all members"},
 769                                                   {label: "Add selection to this relation", enabled: false},
 770                                                   {label: "Delete relation"} ];
 771                 menu.dataProvider = dp;
 772                 menu.addEventListener("itemClick", selectRelationMenu);
 773                 button.popUp = menu;
 774         }
 775
 776         /** Enable 'add selection to...' entry only if some of the selection isn't in the relation.
 777             Called each time the menu is clicked. */
 778
 779         public function updateRelationMenu(event:Event):void {
 780                 rowData=event.target.parent.data;       // this makes it accessible from selectRelationMenu
 781                 var menu:Menu = Menu(event.target.popUp);
 782                 var enable:Boolean = false;
 783                 if (selectedEntity != null && selectedEntity is EntityCollection) {
 784                         // Enable only if some entities aren't a member of the relation
 785                         enable=!rowData.universal;
 786                 }
 787                 if (enable==menu.dataProvider[2].enabled) return;
 788                 menu.dataProvider[2].enabled=enable;
 789                 menu.invalidateList();
 790         }
 791
 792         /** Do the action selected in the relation actions menu */
 793
 794         public function selectRelationMenu(event:MenuEvent):void {
 795                 var rel:Relation=rowData.relation;
 796                 var entities:Array;
 797                 var controller:EditController=FlexGlobals.topLevelApplication.theController;
 798                 switch (event.index) {
 799                         case 0: // Select all members
 800                                 entities=selectedEntity.entities.concat(rel.memberEntities);
 801                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return arr.indexOf(e) == i } );      // remove duplicates
 802                                 // ** FIXME: This is a really horrible way of changing the controller state
 803                                 controller.setState(controller.findStateForSelection(entities));
 804                                 break;
 805
 806                         case 1: // Deselect all members
 807                                 entities=selectedEntity.entities;
 808                                 entities=entities.filter(function(e:*, i:int, arr:Array):Boolean { return !e.hasParent(rel) } );
 809                                 controller.setState(controller.findStateForSelection(entities));
 810                                 break;
 811
 812                         case 2: // Add selection to this relation
 813                                 var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 814                                 for each (var entity:Entity in selectedEntity.entities) {
 815                                         if (!entity.hasParent(rel)) {
 816                                                 rel.appendMember(new RelationMember(entity,''), undo.push);
 817                                         }
 818                                 }
 819                                 MainUndoStack.getGlobalStack().addAction(undo);
 820                                 break;
 821
 822                         case 3: // Delete relation
 823                                 Alert.show("Do you really want to delete the relation?","Are you sure?",Alert.YES | Alert.CANCEL,null,
 824                                         function(event:CloseEvent):void {
 825                                                 if (event.detail==Alert.CANCEL) return;
 826                                                 rel.remove(MainUndoStack.getGlobalStack().addAction);
 827                                         } );
 828                                 break;
 829                 }
 830         }
 831
 832       private function tagChanged(event:TagEvent):void {
 833           refreshFeatureIcon();
 834       }
 835
 836       public function loadFeatures():void {
 837           mapFeatures = MapFeatures.getInstance();
 838           stack.removeChild(membersVBox); // remove by default, will be added if relation
 839       }
 840
 841       /** Open up a new browser page, showing the help page as defined in Map Features XML file .*/
 842       public function openDescription():void {
 843           if ( feature != null && feature.hasHelpURL() )
 844               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 845       }
 846
 847       /** Open up a new browser page showing OSM's view of the current entity. */
 848       public function openEntityPage():void {
 849           if (selectedEntity != null && selectedEntity.id >= 0) {
 850               // This is slightly hard-coded, but not drastically. The ../s could be changed for string manipulation of the apiBase
 851               var urlBase:String = connection.apiBase + '../../browse/'
 852               navigateToURL(new URLRequest(urlBase+selectedEntity.getType()+'/'+selectedEntity.id), "potlatch_browse");
 853           }
 854       }
 855
 856       public function addToRelation():void {
 857           new RelationSelectPanel().init(selectedEntity,new Object());
 858       }
 859
 860       private function removeFromRelation(id:Number, index:int=-1):void {
 861                 var rel:Relation=connection.getRelation(id);
 862                 if (index>-1) {
 863                         rel.removeMemberByIndex(index, MainUndoStack.getGlobalStack().addAction);
 864                 } else if (selectedEntity is EntityCollection) {
 865                         var undo:CompositeUndoableAction=new CompositeUndoableAction("Remove selection from relations");
 866                         for each (var e:Entity in EntityCollection(selectedEntity).entities) rel.removeMember(e,undo.push);
 867                         MainUndoStack.getGlobalStack().addAction(undo);
 868                 }
 869       }
 870
 871       public function changeFeatureType(event:Event):void {
 872           if ( selectedEntity == null )
 873               return;
 874
 875           UIComponent.suspendBackgroundProcessing();
 876           var newFeature:Feature = currentCategorySelector.selectedType;
 877           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 878           var action:CompositeUndoableAction = new CompositeUndoableAction(
 879                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 880                   selectedEntity.suspend();
 881
 882           // build a list of tags that are editable in new feature
 883           var editableTags:Array = new Array();
 884           for each( var editor:EditorFactory in newFeature.editors ) {
 885               if ( editor is SingleTagEditorFactory ) {
 886                   var singleTagEditor:SingleTagEditorFactory = editor as SingleTagEditorFactory;
 887                   editableTags.push(singleTagEditor.key);
 888               }
 889           }
 890
 891           // remove tags from the current feature
 892           if ( feature != null ) {
 893               for each( var oldtag:Object in feature.tags ) {
 894                   if ( editableTags.indexOf(oldtag["k"]) < 0 ) {
 895                       selectedEntity.setTag(oldtag["k"], null, action.push);
 896                   }
 897               }
 898           }
 899
 900           // set tags for new feature
 901           if ( newFeature != null ) {
 902               for each( var newtag:Object in newFeature.tags ) {
 903                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 904               }
 905           }
 906
 907                   selectedEntity.resume();
 908           undoStack(action);
 909           popupChange.close();
 910           initialiseEditors();
 911           UIComponent.resumeBackgroundProcessing();
 912       }
 913
 914         private function resizePOIGrid(event:Event):void {
 915                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 916                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 917                 event.target.height=rows*(event.target.rowHeight+1);
 918         }
 919   ]]></fx:Script>
 920 </mx:VBox>
 921