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