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         xmlns:controls="net.systemeD.controls.*"
   6         xmlns:potlatch2="net.systemeD.potlatch2.*"
   7     xmlns:sidepanel="net.systemeD.potlatch2.panels.*"
   8         horizontalScrollPolicy="off"
   9     backgroundColor="white"
  10     initialize="loadFeatures()">
  11
  12 <mx:ViewStack id="sidebar" width="100%" height="100%" creationPolicy="all">
  13   <mx:VBox id="dndPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
  14     <mx:Text id="dndPanelText" text="{dndPrompt}" width="100%" styleName="helpInfo" />
  15         <mx:Repeater id="dndRep" dataProvider="{MapFeatures.getInstance().getCategoriesForType('point')}">
  16                 <mx:HBox width="100%"><mx:Label text="{dndRep.currentItem.name}:" styleName="dndPanelCategoryLabel"/></mx:HBox>
  17
  18                 <mx:TileList dataProvider="{dndRep.currentItem.getFeaturesForType('point')}" width="100%" height="1"
  19                                      rowHeight="32" columnWidth="32" updateComplete="resizePOIGrid(event)" styleName="dndPanelTileList">
  20                         <mx:itemRenderer>
  21                                 <mx:Component>
  22                                         <mx:VBox toolTip="{data.name}">
  23                                                 <mx:Script><![CDATA[
  24                                                         import mx.events.DragEvent;
  25                                                         import mx.managers.DragManager;
  26                                                         import mx.core.DragSource;
  27
  28                                                         private function dragPOI(event:MouseEvent, tags:Array):void {
  29                                                                 // Get the drag initiator component from the event object.
  30                                                                 var dragInitiator:Image = event.currentTarget as Image;
  31                                                                 var dragSource:DragSource = new DragSource();
  32                                                                 dragSource.addData(tags, 'tags');
  33                                                                 dragSource.addData(event.target.parent.parent.parent.parent, 'container');
  34
  35                                                                 var dragProxy:Image = new Image();
  36                                                                 dragProxy.source = dragInitiator.source;
  37                                                                 dragProxy.width = dragInitiator.width;   // must set width and height explicitly
  38                                                                 dragProxy.height = dragInitiator.height; // for non-embedded images
  39                                                                 DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
  40                                                         }
  41                                                 ]]></mx:Script>
  42                                                 <mx:Image id="foo" source="{data.image}" height="24" width="24" mouseMove="dragPOI(event, data.tags)" toolTip="{data.name}" />
  43                                         </mx:VBox>
  44                                 </mx:Component>
  45                         </mx:itemRenderer>
  46                 </mx:TileList>
  47         </mx:Repeater>
  48   </mx:VBox>
  49
  50   <mx:VBox id="tagsPanel" width="100%" height="100%" creationPolicy="auto">
  51     <mx:ViewStack id="stack" width="100%" height="100%">
  52       <mx:VBox width="100%" height="100%" label="Simple" id="editorContainer" creationComplete="initEditorStackUIs()" styleName="dndPanelVbox">
  53         <mx:VBox width="100%" verticalGap="1" styleName="dndTagHeader">
  54           <mx:HBox width="100%" id="iconContainer" styleName="featureSelector">
  55             <mx:Image id="iconImage"/>
  56             <mx:Text condenseWhite="true" width="100%" id="iconText" styleName="dndIconText"/>
  57             <mx:LinkButton label="?" click="openDescription()" id="helpLabel" styleName="helpInfo"/>
  58           </mx:HBox>
  59           <mx:PopUpButton id="popupChange" creationComplete="initFeatureBox()" openAlways="true" width="100%" styleName="dndTagPopUpMenu"/>
  60         </mx:VBox>
  61       </mx:VBox>
  62       <mx:VBox width="100%" height="100%" label="Advanced" id="advancedContainer" initialize="checkAdvanced()" verticalGap="1">
  63         <mx:Label id="advancedID" click="openEntityPage()">
  64           <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  65         </mx:Label>
  66
  67                 <potlatch2:TagGrid id="advancedTagGrid" width="100%" height="75%" />
  68
  69         <mx:HBox horizontalAlign="right" width="100%">
  70           <mx:LinkButton label="Delete" click="advancedTagGrid.removeTag()" enabled="{advancedTagGrid.selectedItem != null? true : false}"/>
  71           <mx:LinkButton label="Add" click="advancedTagGrid.addNewTag()" id="advancedAddButton"/>
  72         </mx:HBox>
  73
  74         <mx:DataGrid editable="true" width="100%" height="25%" id="relationsGrid"
  75             doubleClickEnabled="true"
  76             itemDoubleClick="editRelation(relationsGrid.selectedItem.id)"
  77             doubleClick="if (event.target.parent==relationsGrid) { addToRelation(); }">
  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
 107           <mx:HBox width="100%">
 108                 <mx:LinkBar dataProvider="{stack}"/>
 109                 <mx:Spacer width="100%"/>
 110                 <mx:LinkButton
 111                         icon="@Embed('../../../embedded/view_tabbed.png')"
 112                         disabledIcon="@Embed('../../../embedded/view_tabbed_disabled.png')"
 113                         click="setEditorStackUI(true)" id="tabNavigatorLabel" paddingTop="6"
 114                         toolTip="Show in tabs"
 115                         enabled="{editorStack is Accordion &amp;&amp; stack.selectedIndex==0}" />
 116                 <mx:LinkButton
 117                         icon="@Embed('../../../embedded/view_accordion.png')"
 118                         disabledIcon="@Embed('../../../embedded/view_accordion_disabled.png')"
 119                         click="setEditorStackUI(false)" id="accordionLabel" paddingTop="6"
 120                         toolTip="Show in sliding windows"
 121                         enabled="{editorStack is SuperTabNavigator &amp;&amp; stack.selectedIndex==0}" />
 122           </mx:HBox>
 123   </mx:VBox>
 124
 125   <mx:VBox id="multiplePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 126     <mx:Text id="multiplePanelText" text="You have selected multiple items." width="100%" styleName="helpInfo" />
 127   </mx:VBox>
 128
 129   <mx:VBox id="markerPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 130     <sidepanel:MarkerPanel id="markerPanelContents" width="100%"/>
 131   </mx:VBox>
 132
 133   <mx:VBox id="bugPanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
 134     <sidepanel:BugPanel id="bugPanelContents" width="100%"/>
 135   </mx:VBox>
 136
 137 </mx:ViewStack>
 138
 139   <mx:Script><![CDATA[
 140       import net.systemeD.halcyon.connection.*;
 141       import net.systemeD.halcyon.VectorLayer;
 142       import net.systemeD.potlatch2.mapfeatures.*;
 143
 144       import mx.collections.*;
 145       import mx.containers.*;
 146       import mx.events.*;
 147       import mx.core.*;
 148       import mx.managers.PopUpManager;
 149       import flash.geom.Point;
 150       import flash.net.*;
 151       import mx.events.DragEvent;
 152       import mx.managers.DragManager;
 153       import mx.core.DragSource;
 154       import flexlib.containers.SuperTabNavigator;
 155
 156       private static const dndPrompt:String="Add new points by dragging them onto the map";
 157
 158       private var editorStackTabNavigator:SuperTabNavigator;
 159       private var editorStackAccordion:Accordion;
 160       [Bindable] private var editorStack:Container;
 161
 162       public var mapFeatures:MapFeatures;
 163       private var selectedEntity:Entity;
 164       private var tw:CategorySelector = null;
 165       private var feature:Feature = null;
 166
 167           public function setEntity(entities:Array, layer:VectorLayer=null):void {
 168                 UIComponent.suspendBackgroundProcessing();
 169
 170                 var firstSelected:Entity=null;
 171                 if (entities.length==1) { firstSelected=entities[0]; }
 172
 173                 if (selectedEntity!=firstSelected && selectedEntity!=null) {
 174                         selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
 175                 }
 176
 177                 if (entities.length==0) {
 178                         // Nothing selected, so show drag-and-drop panel
 179                         sidebar.selectedChild = dndPanel;
 180
 181                 } else if (entities.length==1) {
 182                         // Single entity selected, so show tag panel
 183                         selectedEntity=firstSelected;
 184                         if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
 185                         if (advancedID!=null) { setupAdvanced(firstSelected); }
 186                         if (firstSelected is Relation) { stack.addChild(membersVBox); }
 187             if (selectedEntity is Marker && layer is BugLayer) {
 188               bugPanelContents.init(selectedEntity, layer);
 189               sidebar.selectedChild = bugPanel;
 190             } else if (selectedEntity is Marker) {
 191               markerPanelContents.init(selectedEntity, layer);
 192               sidebar.selectedChild = markerPanel;
 193             } else {
 194               refreshFeatureIcon();
 195               initialiseEditors();
 196               sidebar.selectedChild = tagsPanel;
 197             }
 198
 199                 } else {
 200                         // Multiple selection, so for now show a largely blank panel/
 201                         // ** TODO - proper multiple selection tagging
 202                         sidebar.selectedChild = multiplePanel;
 203                 }
 204                 UIComponent.resumeBackgroundProcessing();
 205       }
 206
 207       private function refreshFeatureIcon():void {
 208           var oldFeature:Feature = feature;
 209           feature = selectedEntity == null ? null : mapFeatures.findMatchingFeature(selectedEntity);
 210           if ( feature != oldFeature ) {
 211               if ( oldFeature != null )
 212                   oldFeature.removeEventListener("imageChanged", featureImageChanged);
 213               if ( feature != null )
 214                   feature.addEventListener("imageChanged", featureImageChanged);
 215           }
 216
 217           if ( feature != null && feature.name != null ) {
 218               setFeatureIcon(selectedEntity, feature);
 219           } else {
 220               blankFeatureIcon(selectedEntity);
 221           }
 222       }
 223
 224       private function featureImageChanged(event:Event):void {
 225           setFeatureIcon(selectedEntity, feature);
 226       }
 227
 228       private function setFeatureIcon(entity:Entity, feature:Feature):void {
 229           //blankFeatureIcon(entity);
 230
 231           iconImage.source = feature.image;
 232
 233           var txt:String = feature.htmlDetails(entity);
 234           iconText.htmlText = txt;
 235           popupChange.label = feature.name;
 236           setLimitTypes(entity);
 237           tw.setSelectedFeature(feature);
 238           helpLabel.visible = feature.hasHelpURL();
 239       }
 240
 241       private function setLimitTypes(entity:Entity):void {
 242           var type:String = null;
 243           if ( entity is Node )
 244               type = "point";
 245           else if ( entity is Way )
 246               type = Way(entity).isArea() ? "area" : "line";
 247           else if ( entity is Relation )
 248               type = "relation";
 249           tw.setLimitTypes(type);
 250       }
 251
 252       private function blankFeatureIcon(entity:Entity):void {
 253           iconImage.source = null;
 254           popupChange.label = "unknown";
 255           setLimitTypes(entity);
 256                   if (entity == null) {
 257                         iconText.htmlText = "<i>Nothing selected</i>";
 258             tw.setNoSelectedFeature();
 259                   } else if (entity.hasTags()) {
 260                         iconText.htmlText = "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
 261             tw.setSelectedFeature(null);
 262                   } else {
 263                         iconText.htmlText = "<b>No tags set</b><br/>Please use the menu below to define what this "+entity.getType()+" is";
 264             tw.setSelectedFeature(null);
 265           }
 266           helpLabel.visible = false;
 267       }
 268
 269       private var tabComponents:Object = {};
 270
 271       private function initialiseEditors():void {
 272           editorStack.removeAllChildren();
 273           if ( selectedEntity == null || feature == null )
 274               return;
 275
 276           var editorBox:VBox = createEditorBox();
 277           editorBox.label = "Basic";
 278           editorStack.addChild(editorBox);
 279
 280           var tabs:Object = {};
 281           tabComponents = {};
 282
 283           for each (var factory:EditorFactory in feature.editors) {
 284               if ( factory.presence.isEditorPresent(factory, selectedEntity, null) ) {
 285                   var editor:DisplayObject = factory.createEditorInstance(selectedEntity);
 286                   if ( editor != null )
 287                       editorBox.addChild(editor);
 288               }
 289               var category:String = factory.category;
 290               if (category!='') {
 291                       var tab:VBox = tabs[category];
 292                       if ( tab == null) {
 293                           tab = createEditorBox();
 294                           tab.label = category;
 295                           editorStack.addChild(tab);
 296                           tabs[category] = tab;
 297                           tabComponents[tab] = [];
 298                       }
 299                       var catEditor:DisplayObject = factory.createEditorInstance(selectedEntity);
 300                       if ( catEditor != null )
 301                           tabComponents[tab].push(catEditor);
 302                       //    tab.addChild(catEditor);
 303               }
 304           }
 305       }
 306
 307       private function createEditorBox():VBox {
 308           var box:VBox = new VBox();
 309           box.percentWidth = 100;
 310           box.percentHeight = 100;
 311           box.styleName = "dndEditorContainer";
 312           return box;
 313       }
 314
 315       private function ensureEditorsPopulated(tab:VBox):void {
 316           var components:Array = tabComponents[tab];
 317           if ( components == null || tab == null || tab.numChildren >= components.length )
 318               return;
 319           for each (var component:DisplayObject in components ) {
 320               tab.addChild(component);
 321           }
 322       }
 323
 324         private function initEditorStackUIs():void {
 325                 editorStackTabNavigator = new SuperTabNavigator();
 326                 editorStackTabNavigator.allowTabSqueezing=false;
 327                 editorStackTabNavigator.minTabWidth=10;
 328                 editorStackTabNavigator.closePolicy="close_never";
 329                 editorStackTabNavigator.scrollSpeed=20;
 330                 editorStackTabNavigator.creationPolicy="auto";
 331                 editorStackTabNavigator.percentWidth=100;
 332                 editorStackTabNavigator.percentHeight=100;
 333                 editorStackTabNavigator.styleName="dndStackTab";
 334                 editorStackTabNavigator.popUpButtonPolicy="off"
 335
 336
 337                 editorStackAccordion = new Accordion();
 338                 editorStackAccordion.percentWidth=100;
 339                 editorStackAccordion.percentHeight=100;
 340                 editorStackAccordion.creationPolicy="auto";
 341                 editorStackAccordion.styleName="dndStackAccordion";
 342
 343                 setEditorStackUI(true);
 344         }
 345
 346         private function setEditorStackUI(isTabbed:Boolean):void {
 347                 var children:Array=[]; var i:uint;
 348
 349                 if (editorStack) {
 350                         // blank existing component
 351                         editorStack.removeEventListener("change",editorStackUIChange);
 352                         editorStack.removeEventListener("updateComplete",editorStackUIUpdate);
 353                         editorStack.removeAllChildren();
 354                         editorContainer.removeChildAt(1);
 355                 }
 356
 357                 // replace with new component
 358                 editorStack = (isTabbed ? editorStackTabNavigator : editorStackAccordion) as Container;
 359                 editorContainer.addChild(editorStack);
 360
 361                 // re-add children and listeners
 362                 initialiseEditors();
 363                 editorStack.addEventListener("change",editorStackUIChange);
 364                 editorStack.addEventListener("updateComplete",editorStackUIUpdate);
 365         }
 366
 367         private function editorStackUIChange(event:Event):void {
 368                 ensureEditorsPopulated(IndexChangedEvent(event).relatedObject as VBox);
 369         }
 370
 371         private function editorStackUIUpdate(event:Event):void {
 372                 if (editorStack is SuperTabNavigator) {
 373                         var e:SuperTabNavigator = editorStack as SuperTabNavigator;
 374                         if (e.selectedIndex<0) { return; }
 375                         for (var i:uint=0; i<e.numChildren; i++) {
 376                                 e.getTabAt(i).selected=(i==e.selectedIndex);
 377                         }
 378                 }
 379         }
 380
 381
 382         public function togglePanel():void {
 383                 if (stack.selectedChild==editorContainer && selectedEntity!=null) {
 384                         stack.selectedChild=advancedContainer;
 385                 } else if (stack.selectedChild!=editorContainer) {
 386                         stack.selectedChild=editorContainer;
 387                 }
 388         }
 389
 390       private function checkAdvanced():void {
 391           if ( selectedEntity != null )
 392              setupAdvanced(selectedEntity);
 393       }
 394
 395       /**
 396       * When you enter a new tag and press enter, the focus moves to the add button
 397       * Adding an event listener to the button and listening for + means that you
 398       * can add two consecutive tags with the same keypress. This relies on focus
 399       * moving to the "add" button, though, so it's not robust to rearranging the UI.
 400       */
 401       private function advancedAddButtonKeyboardEvent(event:KeyboardEvent):void {
 402           switch (event.keyCode) {
 403             case 187:   addNewTag(); break;                          // + - add tag
 404           }
 405       }
 406
 407       private var listeningToRelations:Array = [];
 408
 409       private function setupAdvanced(entity:Entity):void {
 410                 if (!advancedTagGrid) advancedContainer.createComponentsFromDescriptors();      // if Flex hasn't created it, force it
 411                 advancedTagGrid.init(entity);
 412         advancedAddButton.addEventListener(KeyboardEvent.KEY_DOWN, advancedAddButtonKeyboardEvent);
 413
 414                 if ( entity == null ) {
 415                         advancedID.htmlText = "";
 416                 } else {
 417                         var entityText:String = "xx";
 418                         if      ( entity is Node     ) entityText = "Node";
 419                         else if ( entity is Way      ) entityText = "Way";
 420                         else if ( entity is Relation ) entityText = "Relation";
 421                         advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 422                 }
 423
 424                 removeRelationListeners();
 425                 if ( selectedEntity != null ) {
 426                         selectedEntity.removeEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 427                         selectedEntity.removeEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 428                 }
 429
 430                 if ( entity == null ) {
 431                         relationsGrid.dataProvider = null;
 432                 } else {
 433                         resetRelationsGrid(entity);
 434                         entity.addEventListener(Connection.ADDED_TO_RELATION, addedToRelation);
 435                         entity.addEventListener(Connection.REMOVED_FROM_RELATION, removedFromRelation);
 436                 }
 437       }
 438
 439           public function addNewTag():void {
 440                 if (stack.selectedChild!=advancedContainer) { return; }
 441                 advancedTagGrid.addNewTag();
 442           }
 443
 444       private function addedToRelation(event:RelationMemberEvent):void {
 445          resetRelationsGrid(selectedEntity);
 446       }
 447
 448       private function removedFromRelation(event:RelationMemberEvent):void {
 449          resetRelationsGrid(selectedEntity);
 450       }
 451
 452       private function removeRelationListeners():void {
 453           for each( var rel:Relation in listeningToRelations ) {
 454               rel.removeEventListener(Connection.TAG_CHANGED, relationTagChanged);
 455               rel.removeEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 456               rel.removeEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 457           }
 458           listeningToRelations = [];
 459           relationsGrid.removeEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged);
 460       }
 461
 462       private function resetRelationsGrid(entity:Entity):void {
 463           removeRelationListeners();
 464           var relations:Array = [];
 465           for each( var rel:Relation in entity.parentRelations ) {
 466               for each( var memberIndex:int in rel.findEntityMemberIndexes(entity)) {
 467                   var props:Object = {};
 468                   props["relation"] = rel;
 469                   props["id"] = rel.id;
 470                   props["index"] = memberIndex;
 471                   props["role"] = rel.getMember(memberIndex).role;
 472                   props["description"] = rel.getDescription();
 473                   props["id_idx"] = rel.id + "/"+memberIndex;
 474
 475                   relations.push(props);
 476               }
 477
 478               rel.addEventListener(Connection.TAG_CHANGED, relationTagChanged);
 479               rel.addEventListener(Connection.RELATION_MEMBER_ADDED, entityRelationMemberChanged);
 480               rel.addEventListener(Connection.RELATION_MEMBER_REMOVED, entityRelationMemberChanged);
 481               listeningToRelations.push(rel);
 482           }
 483           relationsGrid.dataProvider = relations;
 484           relationsGrid.addEventListener(DataGridEvent.ITEM_EDIT_END, relationRoleChanged, false, -100);
 485       }
 486
 487       private function relationRoleChanged(event:DataGridEvent):void {
 488                 if (event.dataField != 'role') { return; }      // shouldn't really happen
 489
 490                 var relations:Array=event.currentTarget.dataProvider.toArray();
 491                 var props:Object=relations[event.rowIndex];
 492
 493                 var relation:Relation=props['relation'];
 494                 var index:uint=props['index'];
 495                 var newRole:String=event.itemRenderer.data['role'];
 496
 497                 relation.setMember(index, new RelationMember(selectedEntity,newRole));
 498       }
 499
 500       private function relationTagChanged(event:TagEvent):void {
 501           resetRelationsGrid(selectedEntity);
 502       }
 503
 504       private function entityRelationMemberChanged(event:RelationMemberEvent):void {
 505           resetRelationsGrid(selectedEntity);
 506       }
 507
 508       private function checkMembers():void {
 509           if (selectedEntity is Relation) {
 510             setupMembers(selectedEntity as Relation);
 511           }
 512       }
 513
 514       private function setupMembers(rel:Relation):void {
 515           var members:Array = [];
 516           for (var i:int=0 ; i<rel.length; i++) {
 517             var props:Object = {};
 518             var member:RelationMember = rel.getMember(i);
 519             props["id"] = member.entity.id;
 520             props["type"] = member.entity.getType();
 521             props["role"] = member.role;
 522
 523             members.push(props);
 524           }
 525           membersGrid.dataProvider = members;
 526           membersGrid.dataProvider.addEventListener('collectionChange', membersChange);
 527       }
 528
 529       private function membersChange(event:Event):void {
 530           // Dropping all the members and re-adding them isn't exactly optimal
 531           // but is at least robust for any kind of change.
 532           // Figuring out a better way is someone else's FIXME
 533
 534           var conn:Connection = Connection.getConnectionInstance();
 535           var rel:Relation = selectedEntity as Relation
 536
 537           // drop members
 538           for (var i:int=rel.length-1 ; i>=0; i--) {
 539             rel.removeMemberByIndex(i);
 540           }
 541
 542           // add members in new order
 543           for each(var memberObject:Object in membersGrid.dataProvider) {
 544             var e:Entity;
 545             var id:Number = memberObject.id;
 546             if(memberObject.type == 'node') {
 547               e = conn.getNode(id);
 548             } else if (memberObject.type == 'way') {
 549               e = conn.getWay(id);
 550             } else if (memberObject.type == 'relation') {
 551               e = conn.getRelation(id);
 552             }
 553             rel.appendMember(new RelationMember(e, memberObject.role));
 554           }
 555       }
 556
 557       private function editRelation(id:Number):void {
 558           var panel:RelationEditorPanel = RelationEditorPanel(
 559               PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
 560           panel.setRelation(Connection.getConnectionInstance().getRelation(id));
 561           PopUpManager.centerPopUp(panel);
 562       }
 563
 564       private function tagChanged(event:TagEvent):void {
 565           refreshFeatureIcon();
 566           // if the advancedTagGrid has already been set up, it needs to be refreshed.
 567           // FIXME make this better, maybe advancedTagGrid should be event listening.
 568           if(advancedContainer.initialized) {
 569             checkAdvanced();
 570           }
 571       }
 572
 573       public function loadFeatures():void {
 574           mapFeatures = MapFeatures.getInstance();
 575           stack.removeChild(membersVBox); // remove by default, will be added if relation
 576       }
 577
 578       public function openDescription():void {
 579           if ( feature != null && feature.hasHelpURL() )
 580               navigateToURL(new URLRequest(feature.helpURL), "potlatch_help");
 581       }
 582
 583       public function openEntityPage():void {
 584           if (selectedEntity != null && selectedEntity.id >= 0) {
 585               // This is slightly hard-coded, but not drastically. The ../s could be changed for string manipulation of the apiBase
 586               var urlBase:String = Connection.getConnectionInstance().apiBase + '../../browse/'
 587               navigateToURL(new URLRequest(urlBase+selectedEntity.getType()+'/'+selectedEntity.id), "potlatch_browse");
 588           }
 589       }
 590
 591       public function addToRelation():void {
 592           new RelationSelectPanel().init(selectedEntity,new Object());
 593       }
 594
 595       public function removeFromRelation(id:Number, index:int):void {
 596           Connection.getConnectionInstance().getRelation(id).removeMemberByIndex(index);
 597       }
 598
 599       public function initFeatureBox():void {
 600           tw = new CategorySelector();
 601           tw.addEventListener("selectedType", changeFeatureType);
 602           popupChange.popUp = tw;
 603       }
 604
 605       public function changeFeatureType(event:Event):void {
 606           if ( selectedEntity == null )
 607               return;
 608
 609           UIComponent.suspendBackgroundProcessing();
 610           var newFeature:Feature = tw.selectedType;
 611           var undoStack:Function = MainUndoStack.getGlobalStack().addAction;
 612           var action:CompositeUndoableAction = new CompositeUndoableAction(
 613                   "Set "+selectedEntity.getType()+" "+selectedEntity.id+" to "+newFeature.name);
 614                   selectedEntity.suspend();
 615
 616           // remove tags from the current feature
 617           if ( feature != null ) {
 618               for each( var oldtag:Object in feature.tags ) {
 619                   selectedEntity.setTag(oldtag["k"], null, action.push);
 620               }
 621           }
 622
 623           // set tags for new feature
 624           if ( newFeature != null ) {
 625               for each( var newtag:Object in newFeature.tags ) {
 626                   selectedEntity.setTag(newtag["k"], newtag["v"], action.push);
 627               }
 628           }
 629
 630                   selectedEntity.resume();
 631           undoStack(action);
 632           popupChange.close();
 633           initialiseEditors();
 634           UIComponent.resumeBackgroundProcessing();
 635       }
 636
 637         private function resizePOIGrid(event:Event):void {
 638                 var rows:Number=event.target.dataProvider.length/event.target.columnCount;
 639                 if (rows!=Math.floor(rows)) { rows=Math.floor(rows+1); }
 640                 event.target.height=rows*(event.target.rowHeight+1);
 641         }
 642   ]]></mx:Script>
 643 </mx:VBox>
 644