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 function setupAdvanced(entity:Entity):void {
 233           if ( tagDataProvider == null ) {
 234               tagDataProvider = new ArrayCollection();
 235               advancedTagGrid.dataProvider = tagDataProvider;
 236           }
 237
 238           tagDataProvider.removeAll();
 239
 240           if ( entity == null ) {
 241               advancedID.htmlText = "";
 242           } else {
 243               var entityText:String = "xx";
 244               if ( entity is Node ) entityText = "Node";
 245               else if ( entity is Way ) entityText = "Way";
 246               else if ( entity is Relation ) entityText = "Relation";
 247               advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 248
 249               var tags:Array = entity.getTagArray();
 250               tags.sortOn("key");
 251               for each(var tag:Tag in tags)
 252                   tagDataProvider.addItem(tag);
 253           }
 254
 255           if ( entity == null ) {
 256               relationsGrid.dataProvider = null;
 257           } else {
 258               var relations:Array = [];
 259               for each( var rel:Relation in entity.parentRelations ) {
 260                   for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 261                     var props:Object = {};
 262                     props["relation"] = rel;
 263                     props["id"] = rel.id;
 264                     props["index"] = memberIndex;
 265                     props["role"] = rel.getMember(memberIndex).role;
 266                     props["description"] = rel.getDescription();
 267                     props["id_idx"] = rel.id + "/"+memberIndex;
 268
 269                     relations.push(props);
 270                   }
 271               }
 272               relationsGrid.dataProvider = relations;
 273           }
 274       }
 275
 276       private function checkMembers():void {
 277           if (selectedEntity is Relation) {
 278             setupMembers(selectedEntity as Relation);
 279           }
 280       }
 281
 282       private function setupMembers(rel:Relation):void {
 283           var members:Array = [];
 284           for (var i:int=0 ; i<rel.length; i++) {
 285             var props:Object = {};
 286             var member:RelationMember = rel.getMember(i);
 287             props["id"] = member.entity.id;
 288             props["type"] = member.entity.getType();
 289             props["role"] = member.role;
 290
 291             members.push(props);
 292           }
 293           membersGrid.dataProvider = members;
 294           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 295       }
 296
 297       private function membersChange(event:Event):void {
 298           // Dropping all the members and re-adding them isn't exactly optimal
 299           // but is at least robust for any kind of change.
 300           // Figuring out a better way is someone else's FIXME
 301
 302           var conn:Connection = Connection.getConnectionInstance();
 303           var rel:Relation = selectedEntity as Relation
 304
 305           // drop members
 306           trace("Dropping "+rel.length+" members");
 307           for (var i:int=rel.length-1 ; i>=0; i--) {
 308             rel.removeMemberByIndex(i);
 309           }
 310
 311           // add members in new order
 312           for each(var memberObject:Object in membersGrid.dataProvider) {
 313             var e:Entity;
 314             var id:int = memberObject.id;
 315             if(memberObject.type == 'node') {
 316               e = conn.getNode(id);
 317             } else if (memberObject.type == 'way') {
 318               e = conn.getWay(id);
 319             } else if (memberObject.type == 'relation') {
 320               e = conn.getRelation(id);
 321             }
 322             rel.appendMember(new RelationMember(e, memberObject.role));
 323             trace("added member "+memberObject.type+" "+id+" in role "+memberObject.role);
 324           }
 325           trace("complete: relation "+rel.id+" now has "+rel.length+" members");
 326       }
 327
 328       private function editRelation(id:uint):void {
 329           trace("edit relation "+id);
 330           var panel:RelationEditorPanel = RelationEditorPanel(
 331               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 332           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 333           PopUpManager.centerPopUp(panel);
 334       }
 335
 336       private function tagChanged(event:TagEvent):void {
 337           refreshFeatureIcon();
 338
 339           if ( tagDataProvider != null ) {
 340               // check to see if the key is already in our list
 341               var exists:Boolean = false;
 342               var tag:Tag = null;
 343               var i:uint;
 344               for ( i = 0; i < tagDataProvider.length && !exists; i++ ) {
 345                   tag = Tag(tagDataProvider.getItemAt(i));
 346                   exists = tag.key == event.key;
 347               }
 348               if ( !exists ) {
 349                   tag = new Tag(selectedEntity, event.key, event.newValue);
 350                   tagDataProvider.addItem(tag);
 351                   tagDataProvider.refresh();
 352               } else {
 353                   if ( event.newValue == null ) {
 354                       tagDataProvider.removeItemAt(i-1);
 355                       tagDataProvider.refresh();
 356                   } else {
 357                       tagDataProvider.itemUpdated(tag, "value");
 358                   }
 359               }
 360           }
 361       }
 362
 363       public function loadFeatures():void {
 364           mapFeatures = MapFeatures.getInstance();
 365           stack.removeChild(membersVBox); // remove by default, will be added if relation
 366       }
 367
 368       public function openDescription():void {
 369           trace("open description here");
 370           if ( feature != null && feature.hasHelpURL() )
 371               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 372       }
 373
 374       public function addNewTag():void {
 375           var newKey:String = "(new tag)";
 376           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
 377           tagDataProvider.addItem(newTag);
 378           advancedTagGrid.editedItemPosition = {rowIndex: tagDataProvider.getItemIndex(newTag), columnIndex: 0};
 379       }
 380
 381       public function removeTag():void {
 382           var k:String = advancedTagGrid.selectedItem.key;
 383           selectedEntity.setTag(k, null);
 384       }
 385
 386       public function addToRelation():void {
 387           new RelationSelectPanel().init(selectedEntity);
 388       }
 389
 390       public function removeFromRelation(id:Number, index:int):void {
 391           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 392       }
 393
 394       public function initFeatureBox():void {
 395           tw = new CategorySelector();
 396           tw.addEventListener("selectedType", changeFeatureType);
 397           popupChange.popUp = tw;
 398       }
 399
 400       public function changeFeatureType(event:Event):void {
 401           if ( selectedEntity == null )
 402               return;
 403
 404           var newFeature:Feature = tw.selectedType;
 405
 406           // remove tags from the current feature
 407           if ( feature != null ) {
 408               for each( var oldtag:Object in feature.tags ) {
 409                   selectedEntity.setTag(oldtag["k"], null);
 410               }
 411           }
 412
 413           // set tags for new feature
 414           if ( newFeature != null ) {
 415               for each( var newtag:Object in newFeature.tags ) {
 416                   selectedEntity.setTag(newtag["k"], newtag["v"]);
 417               }
 418           }
 419
 420           popupChange.close();
 421       }
 422
 423       private function dragPOI(event:MouseEvent, tags:Array):void {
 424           // Get the drag initiator component from the event object.
 425           var dragInitiator:Image = event.currentTarget as Image;
 426           var dragSource:DragSource = new DragSource();
 427           dragSource.addData(tags, 'tags');
 428
 429           var dragProxy:Image = new Image();
 430           dragProxy.source = event.currentTarget.source;
 431
 432           DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
 433       }
 434   ]]></mx:Script>
 435 </mx:VBox>
 436