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                         updateComplete="tabSelected()"
  56             scrollSpeed="20" change="ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox)"/>
  57       </mx:VBox>
  58
  59       <mx:VBox width="100%" height="100%" label="Advanced" initialize="checkAdvanced()" verticalGap="1">
  60         <mx:Label id="advancedID">
  61           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  62         </mx:Label>
  63
  64         <mx:DataGrid editable="true" width="100%" height="75%" id="advancedTagGrid">
  65                 <mx:columns>
  66                     <mx:DataGridColumn editable="true" dataField="key" headerText="Key"/>
  67                     <mx:DataGridColumn editable="true" dataField="value" headerText="Value"/>
  68                 </mx:columns>
  69         </mx:DataGrid>
  70
  71         <mx:HBox horizontalAlign="right" width="100%">
  72           <mx:LinkButton label="Delete" click="removeTag()" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  73           <mx:LinkButton label="Add" click="addNewTag()"/>
  74         </mx:HBox>
  75
  76         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  77             doubleClickEnabled="true"
  78             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)">
  79             <mx:columns>
  80                 <mx:DataGridColumn editable="false" dataField="description" headerText="Relation"/>
  81                 <mx:DataGridColumn editable="false" dataField="id_idx" headerText="ID"/>
  82                 <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
  83             </mx:columns>
  84         </mx:DataGrid>
  85
  86         <mx:HBox horizontalAlign="right" width="100%">
  87           <mx:LinkButton label="Remove from" click="removeFromRelation(relationsGrid.selectedItem.id, relationsGrid.selectedItem.index)"
  88                           enabled="{relationsGrid.selectedItem != null? true : false}"/>
  89           <mx:LinkButton label="Add to" click="addToRelation()"/>
  90         </mx:HBox>
  91
  92       </mx:VBox>
  93
  94       <mx:VBox width="100%" height="100%" label="Members" id="membersVBox" initialize="checkMembers()" verticalGap="1">
  95         <mx:Label id="membersText" text="Relation Members"/>
  96         <mx:DataGrid editable="true" width="100%" height="100%" id="membersGrid"
  97                       dragEnabled="true" dragMoveEnabled="true" dropEnabled="true">
  98           <mx:columns>
  99             <mx:DataGridColumn editable="false" dataField="type" headerText="Type"/>
 100             <mx:DataGridColumn editable="false" dataField="id" headerText="ID"/>
 101             <mx:DataGridColumn editable="true" dataField="role" headerText="Role"/>
 102           </mx:columns>
 103         </mx:DataGrid>
 104       </mx:VBox>
 105
 106       </mx:ViewStack>
 107     <mx:LinkBar dataProvider="{stack}"/>
 108   </mx:VBox>
 109 </mx:ViewStack>
 110
 111   <mx:Script><![CDATA[
 112       import net.systemeD.halcyon.connection.*;
 113       import net.systemeD.potlatch2.mapfeatures.*;
 114
 115       import mx.collections.*;
 116       import mx.containers.*;
 117       import mx.events.*;
 118       import mx.core.*;
 119       import mx.managers.PopUpManager;
 120       import flash.geom.Point;
 121       import flash.net.*;
 122       import mx.events.DragEvent;
 123       import mx.managers.DragManager;
 124       import mx.core.DragSource;
 125
 126       private var mapFeatures:MapFeatures;
 127       private var selectedEntity:Entity;
 128       private var tagDataProvider:ArrayCollection;
 129       private var tw:CategorySelector = null;
 130       private var feature:Feature = null;
 131
 132       public function setEntity(entity:Entity):void {
 133           if ( selectedEntity != entity ) {
 134               if ( selectedEntity != null )
 135                   selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 136               selectedEntity = entity;
 137               if ( selectedEntity != null )
 138                   selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
 139           }
 140
 141           if ( advancedID != null )
 142               setupAdvanced(entity);
 143           if (entity is Relation) {
 144               stack.addChild(membersVBox);
 145           }
 146           refreshFeatureIcon();
 147           if (selectedEntity == null) {
 148             sidebar.selectedChild = dndPanel;
 149           } else {
 150             initialiseEditors();
 151             sidebar.selectedChild = tagsPanel;
 152           }
 153       }
 154
 155       private function refreshFeatureIcon():void {
 156           var oldFeature:Feature = feature;
 157           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 158           if ( feature != oldFeature ) {
 159               if ( oldFeature != null )
 160                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 161               if ( feature != null )
 162                   feature.addEventListener("imageChanged", featureImageChanged);
 163           }
 164
 165           if ( feature != null ) {
 166               setFeatureIcon(selectedEntity, feature);
 167           } else {
 168               blankFeatureIcon(selectedEntity);
 169           }
 170       }
 171
 172       private function featureImageChanged(event:Event):void {
 173           setFeatureIcon(selectedEntity, feature);
 174       }
 175
 176       private function setFeatureIcon(entity:Entity, feature:Feature):void {
 177           //blankFeatureIcon(entity);
 178
 179           iconImage.source = feature.image;
 180
 181           var txt:String = feature.htmlDetails(entity);
 182           iconText.htmlText = txt;
 183           popupChange.label = feature.name;
 184           setLimitTypes(entity);
 185           tw.setSelectedFeature(feature);
 186           helpLabel.visible = feature.hasHelpURL();
 187       }
 188
 189       private function setLimitTypes(entity:Entity):void {
 190           var type:String = null;
 191           if ( entity is Node )
 192               type = "point";
 193           else if ( entity is Way )
 194               type = Way(entity).isArea() ? "area" : "line";
 195           else if ( entity is Relation )
 196               type = "relation";
 197           tw.setLimitTypes(type);
 198       }
 199
 200       private function blankFeatureIcon(entity:Entity):void {
 201           iconImage.source = null;
 202           popupChange.label = "unknown";
 203           setLimitTypes(entity);
 204                   if (entity == null) {
 205                         iconText.htmlText = "<i>Nothing selected</i>";
 206             tw.setNoSelectedFeature();
 207                   } else if (entity.hasTags()) {
 208                         iconText.htmlText = "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 209             tw.setSelectedFeature(null);
 210                   } else {
 211                         iconText.htmlText = "<b>No tags set</b><br/>Use the menu above to say what this "+entity.getType()+" is";
 212             tw.setSelectedFeature(null);
 213           }
 214           helpLabel.visible = false;
 215       }
 216
 217       private var tabComponents:Object = {};
 218
 219       private function initialiseEditors():void {
 220           editorStack.removeAllChildren();
 221           if ( selectedEntity == null || feature == null )
 222               return;
 223
 224           var editorBox:VBox = createEditorBox();
 225           editorBox.label = "Basic";
 226           editorStack.addChild(editorBox);
 227
 228           var tabs:Object = {};
 229           tabComponents = {};
 230
 231           for each (var factory:EditorFactory in feature.editors) {
 232               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 233                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 234                   if ( editor != null )
 235                       editorBox.addChild(editor);
 236               }
 237               var category:String = factory.category;
 238               var tab:VBox = tabs[category];
 239               if ( tab == null ) {
 240                   tab = createEditorBox();
 241                   tab.label = category;
 242                   editorStack.addChild(tab);
 243                   tabs[category] = tab;
 244                   tabComponents[tab] = [];
 245               }
 246               var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 247               if ( catEditor != null )
 248                   tabComponents[tab].push(catEditor);
 249               //    tab.addChild(catEditor);
 250           }
 251       }
 252
 253       private function createEditorBox():VBox {
 254           var box:VBox = new VBox();
 255           box.percentWidth = 100;
 256           box.percentHeight = 100;
 257           return box;
 258       }
 259
 260       private function ensureEditorsPopulated(tab:VBox):void {
 261           var components:Array = tabComponents[tab];
 262           if ( components == null || tab == null || tab.numChildren >= components.length )
 263               return;
 264           for each (var component:DisplayObject in components ) {
 265               tab.addChild(component);
 266           }
 267       }
 268
 269         private function tabSelected():void {
 270                 if (editorStack.selectedIndex<0) { return; }
 271                 // This fixes a Flex TabNavigator bug where the tab would be selected, but not actually skinned properly
 272                 for (var i:uint=0; i<editorStack.numChildren; i++) {
 273                         editorStack.getTabAt(i).selected=(i==editorStack.selectedIndex);
 274                 }
 275         }
 276
 277       private function checkAdvanced():void {
 278           if ( selectedEntity != null )
 279              setupAdvanced(selectedEntity);
 280       }
 281
 282       private var listeningToRelations:Array = [];
 283
 284       private function setupAdvanced(entity:Entity):void {
 285           if ( tagDataProvider == null ) {
 286               tagDataProvider = new ArrayCollection();
 287               advancedTagGrid.dataProvider = tagDataProvider;
 288           }
 289
 290           tagDataProvider.removeAll();
 291
 292           if ( entity == null ) {
 293               advancedID.htmlText = "";
 294           } else {
 295               var entityText:String = "xx";
 296               if ( entity is Node ) entityText = "Node";
 297               else if ( entity is Way ) entityText = "Way";
 298               else if ( entity is Relation ) entityText = "Relation";
 299               advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 300
 301               var tags:Array = entity.getTagArray();
 302               tags.sortOn("key");
 303               for each(var tag:Tag in tags)
 304                   tagDataProvider.addItem(tag);
 305           }
 306
 307           removeRelationListeners();
 308           if ( selectedEntity != null ) {
 309               selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 310               selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 311           }
 312
 313           if ( entity == null ) {
 314               relationsGrid.dataProvider = null;
 315           } else {
 316               resetRelationsGrid(entity);
 317               entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 318               entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 319           }
 320       }
 321
 322       private function addedToRelation(event:RelationMemberEvent):void {
 323          resetRelationsGrid(selectedEntity);
 324       }
 325
 326       private function removedFromRelation(event:RelationMemberEvent):void {
 327          resetRelationsGrid(selectedEntity);
 328       }
 329
 330       private function removeRelationListeners():void {
 331           for each( var rel:Relation in listeningToRelations ) {
 332               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 333               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 334               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 335           }
 336           listeningToRelations = [];
 337           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 338       }
 339
 340       private function resetRelationsGrid(entity:Entity):void {
 341           removeRelationListeners();
 342           var relations:Array = [];
 343           for each( var rel:Relation in entity.parentRelations ) {
 344               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 345                   var props:Object = {};
 346                   props["relation"] = rel;
 347                   props["id"] = rel.id;
 348                   props["index"] = memberIndex;
 349                   props["role"] = rel.getMember(memberIndex).role;
 350                   props["description"] = rel.getDescription();
 351                   props["id_idx"] = rel.id + "/"+memberIndex;
 352
 353                   relations.push(props);
 354               }
 355
 356               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 357               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 358               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 359               listeningToRelations.push(rel);
 360           }
 361           relationsGrid.dataProvider = relations;
 362           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 363       }
 364
 365       private function relationRoleChanged(event:DataGridEvent):void {
 366                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 367
 368                 var relations:Array=event.currentTarget.dataProvider.toArray();
 369                 var props:Object=relations[event.rowIndex];
 370
 371                 var relation:Relation=props['relation'];
 372                 var index:uint=props['index'];
 373                 var newRole:String=event.itemRenderer.data['role'];
 374
 375                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 376       }
 377
 378       private function relationTagChanged(event:TagEvent):void {
 379           resetRelationsGrid(selectedEntity);
 380       }
 381
 382       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 383           resetRelationsGrid(selectedEntity);
 384       }
 385
 386       private function checkMembers():void {
 387           if (selectedEntity is Relation) {
 388             setupMembers(selectedEntity as Relation);
 389           }
 390       }
 391
 392       private function setupMembers(rel:Relation):void {
 393           var members:Array = [];
 394           for (var i:int=0 ; i<rel.length; i++) {
 395             var props:Object = {};
 396             var member:RelationMember = rel.getMember(i);
 397             props["id"] = member.entity.id;
 398             props["type"] = member.entity.getType();
 399             props["role"] = member.role;
 400
 401             members.push(props);
 402           }
 403           membersGrid.dataProvider = members;
 404           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 405       }
 406
 407       private function membersChange(event:Event):void {
 408           // Dropping all the members and re-adding them isn't exactly optimal
 409           // but is at least robust for any kind of change.
 410           // Figuring out a better way is someone else's FIXME
 411
 412           var conn:Connection = Connection.getConnectionInstance();
 413           var rel:Relation = selectedEntity as Relation
 414
 415           // drop members
 416           trace("Dropping "+rel.length+" members");
 417           for (var i:int=rel.length-1 ; i>=0; i--) {
 418             rel.removeMemberByIndex(i);
 419           }
 420
 421           // add members in new order
 422           for each(var memberObject:Object in membersGrid.dataProvider) {
 423             var e:Entity;
 424             var id:Number = memberObject.id;
 425             if(memberObject.type == 'node') {
 426               e = conn.getNode(id);
 427             } else if (memberObject.type == 'way') {
 428               e = conn.getWay(id);
 429             } else if (memberObject.type == 'relation') {
 430               e = conn.getRelation(id);
 431             }
 432             rel.appendMember(new RelationMember(e, memberObject.role));
 433             trace("added member "+memberObject.type+" "+id+" in role "+memberObject.role);
 434           }
 435           trace("complete: relation "+rel.id+" now has "+rel.length+" members");
 436       }
 437
 438       private function editRelation(id:Number):void {
 439           var panel:RelationEditorPanel = RelationEditorPanel(
 440               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 441           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 442           PopUpManager.centerPopUp(panel);
 443       }
 444
 445       private function tagChanged(event:TagEvent):void {
 446           refreshFeatureIcon();
 447
 448           if ( tagDataProvider != null ) {
 449               // check to see if the key is already in our list
 450               var exists:Boolean = false;
 451               var tag:Tag = null;
 452               var i:uint;
 453               for ( i = 0; i < tagDataProvider.length && !exists; i++ ) {
 454                   tag = Tag(tagDataProvider.getItemAt(i));
 455                   exists = tag.key == event.key;
 456               }
 457               if ( !exists ) {
 458                   tag = new Tag(selectedEntity, event.key, event.newValue);
 459                   tagDataProvider.addItem(tag);
 460                   tagDataProvider.refresh();
 461               } else {
 462                   if ( event.newValue == null ) {
 463                       tagDataProvider.removeItemAt(i-1);
 464                       tagDataProvider.refresh();
 465                   } else {
 466                       tagDataProvider.itemUpdated(tag, "value");
 467                   }
 468               }
 469           }
 470       }
 471
 472       public function loadFeatures():void {
 473           mapFeatures = MapFeatures.getInstance();
 474           stack.removeChild(membersVBox); // remove by default, will be added if relation
 475       }
 476
 477       public function openDescription():void {
 478           trace("open description here");
 479           if ( feature != null && feature.hasHelpURL() )
 480               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 481       }
 482
 483       public function addNewTag():void {
 484           var newKey:String = "(new tag)";
 485           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
 486           tagDataProvider.addItem(newTag);
 487           advancedTagGrid.editedItemPosition = {rowIndex: tagDataProvider.getItemIndex(newTag), columnIndex: 0};
 488       }
 489
 490       public function removeTag():void {
 491           var k:String = advancedTagGrid.selectedItem.key;
 492           selectedEntity.setTag(k, null, MainUndoStack.getGlobalStack().addAction);
 493       }
 494
 495       public function addToRelation():void {
 496           new RelationSelectPanel().init(selectedEntity,new Object());
 497       }
 498
 499       public function removeFromRelation(id:Number, index:int):void {
 500           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 501       }
 502
 503       public function initFeatureBox():void {
 504           tw = new CategorySelector();
 505           tw.addEventListener("selectedType", changeFeatureType);
 506           popupChange.popUp = tw;
 507       }
 508
 509       public function changeFeatureType(event:Event):void {
 510           if ( selectedEntity == null )
 511               return;
 512
 513           var newFeature:Feature = tw.selectedType;
 514           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 515           var action:CompositeUndoableAction = new CompositeUndoableAction(
 516                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 517                   selectedEntity.suspend();
 518
 519           // remove tags from the current feature
 520           if ( feature != null ) {
 521               for each( var oldtag:Object in feature.tags ) {
 522                   selectedEntity.setTag(oldtag["k"], null, action.push);
 523               }
 524           }
 525
 526           // set tags for new feature
 527           if ( newFeature != null ) {
 528               for each( var newtag:Object in newFeature.tags ) {
 529                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 530               }
 531           }
 532
 533                   selectedEntity.resume();
 534           undoStack(action);
 535           popupChange.close();
 536           initialiseEditors();
 537       }
 538
 539       private function dragPOI(event:MouseEvent, tags:Array):void {
 540           // Get the drag initiator component from the event object.
 541           var dragInitiator:Image = event.currentTarget as Image;
 542           var dragSource:DragSource = new DragSource();
 543           dragSource.addData(tags, 'tags');
 544
 545           var dragProxy:Image = new Image();
 546           dragProxy.source = event.currentTarget.source;
 547
 548           DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
 549       }
 550   ]]></mx:Script>
 551 </mx:VBox>
 552