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                   if (entity == null) {
 202                         iconText.htmlText = "<i>Nothing selected</i>";
 203                   } else if (entity.hasTags()) {
 204                         iconText.htmlText = "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 205                   } else {
 206                         iconText.htmlText = "<b>No tags set</b><br/>Use the menu above to say what this "+entity.getType()+" is";
 207           }
 208           popupChange.label = "unknown";
 209           setLimitTypes(entity);
 210           tw.setSelectedFeature(null);
 211           helpLabel.visible = false;
 212       }
 213
 214       private var tabComponents:Object = {};
 215
 216       private function initialiseEditors():void {
 217           editorStack.removeAllChildren();
 218           if ( selectedEntity == null || feature == null )
 219               return;
 220
 221           var editorBox:VBox = createEditorBox();
 222           editorBox.label = "Basic";
 223           editorStack.addChild(editorBox);
 224
 225           var tabs:Object = {};
 226           tabComponents = {};
 227
 228           for each (var factory:EditorFactory in feature.editors) {
 229               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 230                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 231                   if ( editor != null )
 232                       editorBox.addChild(editor);
 233               }
 234               var category:String = factory.category;
 235               var tab:VBox = tabs[category];
 236               if ( tab == null ) {
 237                   tab = createEditorBox();
 238                   tab.label = category;
 239                   editorStack.addChild(tab);
 240                   tabs[category] = tab;
 241                   tabComponents[tab] = [];
 242               }
 243               var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 244               if ( catEditor != null )
 245                   tabComponents[tab].push(catEditor);
 246               //    tab.addChild(catEditor);
 247           }
 248       }
 249
 250       private function createEditorBox():VBox {
 251           var box:VBox = new VBox();
 252           box.percentWidth = 100;
 253           box.percentHeight = 100;
 254           return box;
 255       }
 256
 257       private function ensureEditorsPopulated(tab:VBox):void {
 258           var components:Array = tabComponents[tab];
 259           if ( components == null || tab == null || tab.numChildren >= components.length )
 260               return;
 261           for each (var component:DisplayObject in components ) {
 262               tab.addChild(component);
 263           }
 264       }
 265
 266       private function checkAdvanced():void {
 267           if ( selectedEntity != null )
 268              setupAdvanced(selectedEntity);
 269       }
 270
 271       private var listeningToRelations:Array = [];
 272
 273       private function setupAdvanced(entity:Entity):void {
 274           if ( tagDataProvider == null ) {
 275               tagDataProvider = new ArrayCollection();
 276               advancedTagGrid.dataProvider = tagDataProvider;
 277           }
 278
 279           tagDataProvider.removeAll();
 280
 281           if ( entity == null ) {
 282               advancedID.htmlText = "";
 283           } else {
 284               var entityText:String = "xx";
 285               if ( entity is Node ) entityText = "Node";
 286               else if ( entity is Way ) entityText = "Way";
 287               else if ( entity is Relation ) entityText = "Relation";
 288               advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 289
 290               var tags:Array = entity.getTagArray();
 291               tags.sortOn("key");
 292               for each(var tag:Tag in tags)
 293                   tagDataProvider.addItem(tag);
 294           }
 295
 296           removeRelationListeners();
 297           if ( selectedEntity != null ) {
 298               selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 299               selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 300           }
 301
 302           if ( entity == null ) {
 303               relationsGrid.dataProvider = null;
 304           } else {
 305               resetRelationsGrid(entity);
 306               entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 307               entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 308           }
 309       }
 310
 311       private function addedToRelation(event:RelationMemberEvent):void {
 312          resetRelationsGrid(selectedEntity);
 313       }
 314
 315       private function removedFromRelation(event:RelationMemberEvent):void {
 316          resetRelationsGrid(selectedEntity);
 317       }
 318
 319       private function removeRelationListeners():void {
 320           for each( var rel:Relation in listeningToRelations ) {
 321               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 322               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 323               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 324           }
 325           listeningToRelations = [];
 326           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 327       }
 328
 329       private function resetRelationsGrid(entity:Entity):void {
 330           removeRelationListeners();
 331           var relations:Array = [];
 332           for each( var rel:Relation in entity.parentRelations ) {
 333               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 334                   var props:Object = {};
 335                   props["relation"] = rel;
 336                   props["id"] = rel.id;
 337                   props["index"] = memberIndex;
 338                   props["role"] = rel.getMember(memberIndex).role;
 339                   props["description"] = rel.getDescription();
 340                   props["id_idx"] = rel.id + "/"+memberIndex;
 341
 342                   relations.push(props);
 343               }
 344
 345               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 346               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 347               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 348               listeningToRelations.push(rel);
 349           }
 350           relationsGrid.dataProvider = relations;
 351           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 352       }
 353
 354       private function relationRoleChanged(event:DataGridEvent):void {
 355                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 356
 357                 var relations:Array=event.currentTarget.dataProvider.toArray();
 358                 var props:Object=relations[event.rowIndex];
 359
 360                 var relation:Relation=props['relation'];
 361                 var index:uint=props['index'];
 362                 var newRole:String=event.itemRenderer.data['role'];
 363
 364                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 365       }
 366
 367       private function relationTagChanged(event:TagEvent):void {
 368           resetRelationsGrid(selectedEntity);
 369       }
 370
 371       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 372           resetRelationsGrid(selectedEntity);
 373       }
 374
 375       private function checkMembers():void {
 376           if (selectedEntity is Relation) {
 377             setupMembers(selectedEntity as Relation);
 378           }
 379       }
 380
 381       private function setupMembers(rel:Relation):void {
 382           var members:Array = [];
 383           for (var i:int=0 ; i<rel.length; i++) {
 384             var props:Object = {};
 385             var member:RelationMember = rel.getMember(i);
 386             props["id"] = member.entity.id;
 387             props["type"] = member.entity.getType();
 388             props["role"] = member.role;
 389
 390             members.push(props);
 391           }
 392           membersGrid.dataProvider = members;
 393           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 394       }
 395
 396       private function membersChange(event:Event):void {
 397           // Dropping all the members and re-adding them isn't exactly optimal
 398           // but is at least robust for any kind of change.
 399           // Figuring out a better way is someone else's FIXME
 400
 401           var conn:Connection = Connection.getConnectionInstance();
 402           var rel:Relation = selectedEntity as Relation
 403
 404           // drop members
 405           trace("Dropping "+rel.length+" members");
 406           for (var i:int=rel.length-1 ; i>=0; i--) {
 407             rel.removeMemberByIndex(i);
 408           }
 409
 410           // add members in new order
 411           for each(var memberObject:Object in membersGrid.dataProvider) {
 412             var e:Entity;
 413             var id:Number = memberObject.id;
 414             if(memberObject.type == 'node') {
 415               e = conn.getNode(id);
 416             } else if (memberObject.type == 'way') {
 417               e = conn.getWay(id);
 418             } else if (memberObject.type == 'relation') {
 419               e = conn.getRelation(id);
 420             }
 421             rel.appendMember(new RelationMember(e, memberObject.role));
 422             trace("added member "+memberObject.type+" "+id+" in role "+memberObject.role);
 423           }
 424           trace("complete: relation "+rel.id+" now has "+rel.length+" members");
 425       }
 426
 427       private function editRelation(id:Number):void {
 428           var panel:RelationEditorPanel = RelationEditorPanel(
 429               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 430           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 431           PopUpManager.centerPopUp(panel);
 432       }
 433
 434       private function tagChanged(event:TagEvent):void {
 435           refreshFeatureIcon();
 436
 437           if ( tagDataProvider != null ) {
 438               // check to see if the key is already in our list
 439               var exists:Boolean = false;
 440               var tag:Tag = null;
 441               var i:uint;
 442               for ( i = 0; i < tagDataProvider.length && !exists; i++ ) {
 443                   tag = Tag(tagDataProvider.getItemAt(i));
 444                   exists = tag.key == event.key;
 445               }
 446               if ( !exists ) {
 447                   tag = new Tag(selectedEntity, event.key, event.newValue);
 448                   tagDataProvider.addItem(tag);
 449                   tagDataProvider.refresh();
 450               } else {
 451                   if ( event.newValue == null ) {
 452                       tagDataProvider.removeItemAt(i-1);
 453                       tagDataProvider.refresh();
 454                   } else {
 455                       tagDataProvider.itemUpdated(tag, "value");
 456                   }
 457               }
 458           }
 459       }
 460
 461       public function loadFeatures():void {
 462           mapFeatures = MapFeatures.getInstance();
 463           stack.removeChild(membersVBox); // remove by default, will be added if relation
 464       }
 465
 466       public function openDescription():void {
 467           trace("open description here");
 468           if ( feature != null && feature.hasHelpURL() )
 469               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 470       }
 471
 472       public function addNewTag():void {
 473           var newKey:String = "(new tag)";
 474           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
 475           tagDataProvider.addItem(newTag);
 476           advancedTagGrid.editedItemPosition = {rowIndex: tagDataProvider.getItemIndex(newTag), columnIndex: 0};
 477       }
 478
 479       public function removeTag():void {
 480           var k:String = advancedTagGrid.selectedItem.key;
 481           selectedEntity.setTag(k, null, MainUndoStack.getGlobalStack().addAction);
 482       }
 483
 484       public function addToRelation():void {
 485           new RelationSelectPanel().init(selectedEntity,new Object());
 486       }
 487
 488       public function removeFromRelation(id:Number, index:int):void {
 489           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 490       }
 491
 492       public function initFeatureBox():void {
 493           tw = new CategorySelector();
 494           tw.addEventListener("selectedType", changeFeatureType);
 495           popupChange.popUp = tw;
 496       }
 497
 498       public function changeFeatureType(event:Event):void {
 499           if ( selectedEntity == null )
 500               return;
 501
 502           var newFeature:Feature = tw.selectedType;
 503           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 504           var action:CompositeUndoableAction = new CompositeUndoableAction(
 505                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 506
 507           // remove tags from the current feature
 508           if ( feature != null ) {
 509               for each( var oldtag:Object in feature.tags ) {
 510                   selectedEntity.setTag(oldtag["k"], null, action.push);
 511               }
 512           }
 513
 514           // set tags for new feature
 515           if ( newFeature != null ) {
 516               for each( var newtag:Object in newFeature.tags ) {
 517                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 518               }
 519           }
 520
 521           undoStack(action);
 522           popupChange.close();
 523       }
 524
 525       private function dragPOI(event:MouseEvent, tags:Array):void {
 526           // Get the drag initiator component from the event object.
 527           var dragInitiator:Image = event.currentTarget as Image;
 528           var dragSource:DragSource = new DragSource();
 529           dragSource.addData(tags, 'tags');
 530
 531           var dragProxy:Image = new Image();
 532           dragProxy.source = event.currentTarget.source;
 533
 534           DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
 535       }
 536   ]]></mx:Script>
 537 </mx:VBox>
 538