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