net/systemeD/potlatch2/TagViewer.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:VBox
   3         xmlns:mx="http://www.adobe.com/2006/mxml"
   4         xmlns:flexlib="flexlib.containers.*"
   5     backgroundColor="white"
   6     initialize="loadFeatures()">
   7
   8 <mx:ViewStack id="sidebar" width="100%" height="100%" creationPolicy="all">
   9   <mx:VBox id="dndPanel" width="100%" height="100%">
  10     <!-- FIXME the panel text is repeated below for mouseOut -->
  11     <mx:Text id="dndPanelText" text="Drag and Drop Points of Interest" />
  12     <mx:TileList id="poiGrid" dataProvider="{MapFeatures.getInstance().pois}" width="100%" height="100%">
  13       <mx:itemRenderer>
  14         <mx:Component>
  15           <mx:VBox mouseOver="parentDocument.dndPanelText.text = data.name"
  16                    mouseOut="parentDocument.dndPanelText.text = 'Drag and Drop Points of Interest'">
  17             <mx:Script><![CDATA[
  18               import mx.events.DragEvent;
  19               import mx.managers.DragManager;
  20               import mx.core.DragSource;
  21
  22               private function dragPOI(event:MouseEvent, tags:Array):void {
  23                   // Get the drag initiator component from the event object.
  24                   var dragInitiator:Image = event.currentTarget as Image;
  25                   var dragSource:DragSource = new DragSource();
  26                   dragSource.addData(tags, 'tags');
  27
  28                   var dragProxy:Image = new Image();
  29                   dragProxy.source = dragInitiator.source;
  30                   dragProxy.width = dragInitiator.width;   // must set width and height explicitly
  31                   dragProxy.height = dragInitiator.height; // for non-embedded images
  32                   DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
  33               }
  34             ]]></mx:Script>
  35             <mx:Image id="foo" source="{data.image}" height="25" width="25" mouseMove="dragPOI(event, data.tags)" toolTip="{data.name}" />
  36           </mx:VBox>
  37         </mx:Component>
  38       </mx:itemRenderer>
  39     </mx:TileList>
  40   </mx:VBox>
  41
  42   <mx:VBox id="tagsPanel" width="100%" height="100%">
  43     <mx:ViewStack id="stack" width="100%" height="100%">
  44       <mx:VBox width="100%" height="100%" label="Simple">
  45         <mx:HBox borderStyle="inset" verticalAlign="middle" width="100%" paddingLeft="3" id="iconContainer">
  46             <mx:Image id="iconImage"/>
  47             <mx:VBox width="100%" verticalGap="1">
  48               <mx:PopUpButton id="popupChange" creationComplete="initFeatureBox()" openAlways="true" width="100%"/>
  49               <mx:Text condenseWhite="true" width="100%" id="iconText"/>
  50             </mx:VBox>
  51             <mx:LinkButton label="?" click="openDescription()" id="helpLabel"/>
  52         </mx:HBox>
  53         <flexlib:SuperTabNavigator id="editorStack" width="100%" height="100%" paddingLeft="2" paddingRight="2"
  54             allowTabSqueezing="false" minTabWidth="10" closePolicy="close_never"
  55             scrollSpeed="20" change="ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox)"/>
  56       </mx:VBox>
  57
  58       <mx:VBox width="100%" height="100%" label="Advanced" initialize="checkAdvanced()" verticalGap="1">
  59         <mx:Label id="advancedID">
  60           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  61         </mx:Label>
  62
  63         <mx:DataGrid editable="true" width="100%" height="75%" id="advancedTagGrid">
  64                 <mx:columns>
  65                     <mx:DataGridColumn editable="true" dataField="key" headerText="Key"/>
  66                     <mx:DataGridColumn editable="true" dataField="value" headerText="Value"/>
  67                 </mx:columns>
  68         </mx:DataGrid>
  69
  70         <mx:HBox horizontalAlign="right" width="100%">
  71           <mx:LinkButton label="Delete" click="removeTag()" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  72           <mx:LinkButton label="Add" click="addNewTag()"/>
  73         </mx:HBox>
  74
  75         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  76             doubleClickEnabled="true"
  77             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)">
  78             <mx:columns>
  79                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
  80                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  81                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
  82             </mx:columns>
  83         </mx:DataGrid>
  84
  85         <mx:HBox horizontalAlign="right" width="100%">
  86           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
  87                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
  88           <mx:LinkButton label="Add to" click="addToRelation()"/>
  89         </mx:HBox>
  90
  91       </mx:VBox>
  92
  93       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
  94         <mx:Label id="membersText" text="Relation Members"/>
  95         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
  96                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
  97           <mx:columns>
  98             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
  99             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
 100             <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
 101           </mx:columns>
 102         </mx:DataGrid>
 103       </mx:VBox>
 104
 105       </mx:ViewStack>
 106     <mx:LinkBar dataProvider="{stack}"/>
 107   </mx:VBox>
 108 </mx:ViewStack>
 109
 110   <mx:Script><![CDATA[
 111       import net.systemeD.halcyon.connection.*;
 112       import net.systemeD.potlatch2.mapfeatures.*;
 113
 114       import mx.collections.*;
 115       import mx.containers.*;
 116       import mx.events.*;
 117       import mx.core.*;
 118       import mx.managers.PopUpManager;
 119       import flash.geom.Point;
 120       import flash.net.*;
 121       import mx.events.DragEvent;
 122       import mx.managers.DragManager;
 123       import mx.core.DragSource;
 124
 125       private var mapFeatures:MapFeatures;
 126       private var selectedEntity:Entity;
 127       private var tagDataProvider:ArrayCollection;
 128       private var tw:CategorySelector = null;
 129       private var feature:Feature = null;
 130
 131       public function setEntity(entity:Entity):void {
 132           if ( selectedEntity != entity ) {
 133               if ( selectedEntity != null )
 134                   selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 135               selectedEntity = entity;
 136               if ( selectedEntity != null )
 137                   selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
 138           }
 139
 140           if ( advancedID != null )
 141               setupAdvanced(entity);
 142           if (entity is Relation) {
 143               stack.addChild(membersVBox);
 144           }
 145           refreshFeatureIcon();
 146
 147           if (selectedEntity == null) {
 148             sidebar.selectedChild = dndPanel;
 149           } else {
 150             sidebar.selectedChild = tagsPanel;
 151           }
 152       }
 153
 154       private function refreshFeatureIcon():void {
 155           var oldFeature:Feature = feature;
 156           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 157           if ( feature != oldFeature ) {
 158               if ( oldFeature != null )
 159                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 160               if ( feature != null )
 161                   feature.addEventListener("imageChanged", featureImageChanged);
 162               initialiseEditors();
 163           }
 164
 165           if ( feature != null )
 166               setFeatureIcon(selectedEntity, feature);
 167           else
 168               blankFeatureIcon(selectedEntity);
 169       }
 170
 171       private function featureImageChanged(event:Event):void {
 172           setFeatureIcon(selectedEntity, feature);
 173       }
 174
 175       private function setFeatureIcon(entity:Entity, feature:Feature):void {
 176           //blankFeatureIcon(entity);
 177
 178           iconImage.source = feature.image;
 179
 180           var txt:String = feature.htmlDetails(entity);
 181           iconText.htmlText = txt;
 182           popupChange.label = feature.name;
 183           setLimitTypes(entity);
 184           tw.setSelectedFeature(feature);
 185           helpLabel.visible = feature.hasHelpURL();
 186       }
 187
 188       private function setLimitTypes(entity:Entity):void {
 189           var type:String = null;
 190           if ( entity is Node )
 191               type = "point";
 192           else if ( entity is Way )
 193               type = Way(entity).isArea() ? "area" : "line";
 194           else if ( entity is Relation )
 195               type = "relation";
 196           tw.setLimitTypes(type);
 197       }
 198
 199       private function blankFeatureIcon(entity:Entity):void {
 200           iconImage.source = null;
 201           iconText.htmlText = entity == null ?
 202                "<i>Nothing selected</i>" :
 203                "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 204           popupChange.label = "unknown";
 205           setLimitTypes(entity);
 206           tw.setSelectedFeature(null);
 207           helpLabel.visible = false;
 208       }
 209
 210       private var tabComponents:Object = {};
 211
 212       private function initialiseEditors():void {
 213           editorStack.removeAllChildren();
 214           if ( selectedEntity == null || feature == null )
 215               return;
 216
 217           var editorBox:VBox = createEditorBox();
 218           editorBox.label = "Basic";
 219           editorStack.addChild(editorBox);
 220
 221           var tabs:Object = {};
 222           tabComponents = {};
 223
 224           for each (var factory:EditorFactory in feature.editors) {
 225               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 226                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 227                   if ( editor != null )
 228                       editorBox.addChild(editor);
 229               }
 230               var category:String = factory.category;
 231               var tab:VBox = tabs[category];
 232               if ( tab == null ) {
 233                   tab = createEditorBox();
 234                   tab.label = category;
 235                   editorStack.addChild(tab);
 236                   tabs[category] = tab;
 237                   tabComponents[tab] = [];
 238               }
 239               var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 240               if ( catEditor != null )
 241                   tabComponents[tab].push(catEditor);
 242               //    tab.addChild(catEditor);
 243           }
 244       }
 245
 246       private function createEditorBox():VBox {
 247           var box:VBox = new VBox();
 248           box.percentWidth = 100;
 249           box.percentHeight = 100;
 250           return box;
 251       }
 252
 253       private function ensureEditorsPopulated(tab:VBox):void {
 254           var components:Array = tabComponents[tab];
 255           if ( components == null || tab == null || tab.numChildren >= components.length )
 256               return;
 257           for each (var component:DisplayObject in components ) {
 258               tab.addChild(component);
 259           }
 260       }
 261
 262       private function checkAdvanced():void {
 263           if ( selectedEntity != null )
 264              setupAdvanced(selectedEntity);
 265       }
 266
 267       private var listeningToRelations:Array = [];
 268
 269       private function setupAdvanced(entity:Entity):void {
 270           if ( tagDataProvider == null ) {
 271               tagDataProvider = new ArrayCollection();
 272               advancedTagGrid.dataProvider = tagDataProvider;
 273           }
 274
 275           tagDataProvider.removeAll();
 276
 277           if ( entity == null ) {
 278               advancedID.htmlText = "";
 279           } else {
 280               var entityText:String = "xx";
 281               if ( entity is Node ) entityText = "Node";
 282               else if ( entity is Way ) entityText = "Way";
 283               else if ( entity is Relation ) entityText = "Relation";
 284               advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 285
 286               var tags:Array = entity.getTagArray();
 287               tags.sortOn("key");
 288               for each(var tag:Tag in tags)
 289                   tagDataProvider.addItem(tag);
 290           }
 291
 292           removeRelationListeners();
 293           if ( selectedEntity != null ) {
 294               selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 295               selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 296           }
 297
 298           if ( entity == null ) {
 299               relationsGrid.dataProvider = null;
 300           } else {
 301               resetRelationsGrid(entity);
 302               entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 303               entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 304           }
 305       }
 306
 307       private function addedToRelation(event:RelationMemberEvent):void {
 308          resetRelationsGrid(selectedEntity);
 309       }
 310
 311       private function removedFromRelation(event:RelationMemberEvent):void {
 312          resetRelationsGrid(selectedEntity);
 313       }
 314
 315       private function removeRelationListeners():void {
 316           for each( var rel:Relation in listeningToRelations ) {
 317               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 318               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 319               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 320           }
 321           listeningToRelations = [];
 322           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 323       }
 324
 325       private function resetRelationsGrid(entity:Entity):void {
 326           removeRelationListeners();
 327           var relations:Array = [];
 328           for each( var rel:Relation in entity.parentRelations ) {
 329               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 330                   var props:Object = {};
 331                   props["relation"] = rel;
 332                   props["id"] = rel.id;
 333                   props["index"] = memberIndex;
 334                   props["role"] = rel.getMember(memberIndex).role;
 335                   props["description"] = rel.getDescription();
 336                   props["id_idx"] = rel.id + "/"+memberIndex;
 337
 338                   relations.push(props);
 339               }
 340
 341               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 342               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 343               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 344               listeningToRelations.push(rel);
 345           }
 346           relationsGrid.dataProvider = relations;
 347           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 348       }
 349
 350       private function relationRoleChanged(event:DataGridEvent):void {
 351                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 352
 353                 var relations:Array=event.currentTarget.dataProvider.toArray();
 354                 var props:Object=relations[event.rowIndex];
 355
 356                 var relation:Relation=props['relation'];
 357                 var index:uint=props['index'];
 358                 var newRole:String=event.itemRenderer.data['role'];
 359
 360                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 361       }
 362
 363       private function relationTagChanged(event:TagEvent):void {
 364           resetRelationsGrid(selectedEntity);
 365       }
 366
 367       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 368           resetRelationsGrid(selectedEntity);
 369       }
 370
 371       private function checkMembers():void {
 372           if (selectedEntity is Relation) {
 373             setupMembers(selectedEntity as Relation);
 374           }
 375       }
 376
 377       private function setupMembers(rel:Relation):void {
 378           var members:Array = [];
 379           for (var i:int=0 ; i<rel.length; i++) {
 380             var props:Object = {};
 381             var member:RelationMember = rel.getMember(i);
 382             props["id"] = member.entity.id;
 383             props["type"] = member.entity.getType();
 384             props["role"] = member.role;
 385
 386             members.push(props);
 387           }
 388           membersGrid.dataProvider = members;
 389           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 390       }
 391
 392       private function membersChange(event:Event):void {
 393           // Dropping all the members and re-adding them isn't exactly optimal
 394           // but is at least robust for any kind of change.
 395           // Figuring out a better way is someone else's FIXME
 396
 397           var conn:Connection = Connection.getConnectionInstance();
 398           var rel:Relation = selectedEntity as Relation
 399
 400           // drop members
 401           trace("Dropping "+rel.length+" members");
 402           for (var i:int=rel.length-1 ; i>=0; i--) {
 403             rel.removeMemberByIndex(i);
 404           }
 405
 406           // add members in new order
 407           for each(var memberObject:Object in membersGrid.dataProvider) {
 408             var e:Entity;
 409             var id:Number = memberObject.id;
 410             if(memberObject.type == 'node') {
 411               e = conn.getNode(id);
 412             } else if (memberObject.type == 'way') {
 413               e = conn.getWay(id);
 414             } else if (memberObject.type == 'relation') {
 415               e = conn.getRelation(id);
 416             }
 417             rel.appendMember(new RelationMember(e, memberObject.role));
 418             trace("added member "+memberObject.type+" "+id+" in role "+memberObject.role);
 419           }
 420           trace("complete: relation "+rel.id+" now has "+rel.length+" members");
 421       }
 422
 423       private function editRelation(id:Number):void {
 424           var panel:RelationEditorPanel = RelationEditorPanel(
 425               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 426           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 427           PopUpManager.centerPopUp(panel);
 428       }
 429
 430       private function tagChanged(event:TagEvent):void {
 431           refreshFeatureIcon();
 432
 433           if ( tagDataProvider != null ) {
 434               // check to see if the key is already in our list
 435               var exists:Boolean = false;
 436               var tag:Tag = null;
 437               var i:uint;
 438               for ( i = 0; i < tagDataProvider.length && !exists; i++ ) {
 439                   tag = Tag(tagDataProvider.getItemAt(i));
 440                   exists = tag.key == event.key;
 441               }
 442               if ( !exists ) {
 443                   tag = new Tag(selectedEntity, event.key, event.newValue);
 444                   tagDataProvider.addItem(tag);
 445                   tagDataProvider.refresh();
 446               } else {
 447                   if ( event.newValue == null ) {
 448                       tagDataProvider.removeItemAt(i-1);
 449                       tagDataProvider.refresh();
 450                   } else {
 451                       tagDataProvider.itemUpdated(tag, "value");
 452                   }
 453               }
 454           }
 455       }
 456
 457       public function loadFeatures():void {
 458           mapFeatures = MapFeatures.getInstance();
 459           stack.removeChild(membersVBox); // remove by default, will be added if relation
 460       }
 461
 462       public function openDescription():void {
 463           trace("open description here");
 464           if ( feature != null && feature.hasHelpURL() )
 465               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 466       }
 467
 468       public function addNewTag():void {
 469           var newKey:String = "(new tag)";
 470           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
 471           tagDataProvider.addItem(newTag);
 472           advancedTagGrid.editedItemPosition = {rowIndex: tagDataProvider.getItemIndex(newTag), columnIndex: 0};
 473       }
 474
 475       public function removeTag():void {
 476           var k:String = advancedTagGrid.selectedItem.key;
 477           selectedEntity.setTag(k, null, MainUndoStack.getGlobalStack().addAction);
 478       }
 479
 480       public function addToRelation():void {
 481           new RelationSelectPanel().init(selectedEntity,new Object());
 482       }
 483
 484       public function removeFromRelation(id:Number, index:int):void {
 485           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 486       }
 487
 488       public function initFeatureBox():void {
 489           tw = new CategorySelector();
 490           tw.addEventListener("selectedType", changeFeatureType);
 491           popupChange.popUp = tw;
 492       }
 493
 494       public function changeFeatureType(event:Event):void {
 495           if ( selectedEntity == null )
 496               return;
 497
 498           var newFeature:Feature = tw.selectedType;
 499           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 500           var action:CompositeUndoableAction = new CompositeUndoableAction(
 501                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 502
 503           // remove tags from the current feature
 504           if ( feature != null ) {
 505               for each( var oldtag:Object in feature.tags ) {
 506                   selectedEntity.setTag(oldtag["k"], null, action.push);
 507               }
 508           }
 509
 510           // set tags for new feature
 511           if ( newFeature != null ) {
 512               for each( var newtag:Object in newFeature.tags ) {
 513                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 514               }
 515           }
 516
 517           undoStack(action);
 518           popupChange.close();
 519       }
 520
 521       private function dragPOI(event:MouseEvent, tags:Array):void {
 522           // Get the drag initiator component from the event object.
 523           var dragInitiator:Image = event.currentTarget as Image;
 524           var dragSource:DragSource = new DragSource();
 525           dragSource.addData(tags, 'tags');
 526
 527           var dragProxy:Image = new Image();
 528           dragProxy.source = event.currentTarget.source;
 529
 530           DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
 531       }
 532   ]]></mx:Script>
 533 </mx:VBox>
 534