net/systemeD/potlatch2/VectorSourceDialog.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:TitleWindow
   3         xmlns:mx="http://www.adobe.com/2006/mxml"
   4         layout="vertical" showCloseButton="true"
   5         horizontalAlign="center" title="Load vector file"
   6         width="400" height="350" verticalGap="0">
   7
   8         <mx:DataGrid editable="true" width="100%" height="100%" id="dataGrid"
   9                 dataProvider="{vectorLayers}" itemEditEnd="dataEdited(event)">
  10             <mx:columns>
  11                 <mx:DataGridColumn editable="false" dataField="visible" headerText="Show" width="45">
  12                                 <mx:itemRenderer>
  13                                         <mx:Component>
  14                                                 <mx:CheckBox selectedField="isSelected"
  15                                                                          click="data.isSelected=!data.isSelected; this.parent.parent.dispatchEvent(new Event('visibility_changed'));"
  16                                                                          paddingLeft="5"/>
  17                                         </mx:Component>
  18                                 </mx:itemRenderer>
  19                         </mx:DataGridColumn>
  20                 <mx:DataGridColumn editable="true"  dataField="name"  headerText="Name"/>
  21                 <mx:DataGridColumn editable="false" dataField="url"   headerText="URL"/>
  22                 <mx:DataGridColumn editable="false" dataField="style" headerText="Style">
  23                                 <mx:itemRenderer>
  24                                         <mx:Component>
  25                                         <mx:ComboBox
  26                                                         selectedItem="{outerDocument.whichStyle(data)}"
  27                                                 change="outerDocument.styleEdited(data.name,selectedItem.url)"
  28                                                 dataProvider="{outerDocument.styles}"
  29                                                         labelField="name" />
  30                                         </mx:Component>
  31                                 </mx:itemRenderer>
  32                         </mx:DataGridColumn>
  33             </mx:columns>
  34         </mx:DataGrid>
  35         <mx:HBox horizontalAlign="right" width="100%">
  36                 <mx:LinkButton label="Delete" click="removeLayer()" enabled="{dataGrid.selectedItem != null &amp;&amp; dataGrid.selectedItem.isBackground}"/>
  37         </mx:HBox>
  38
  39         <mx:VBox width="100%" paddingTop="10">
  40                 <mx:Label htmlText="&lt;b&gt;Add new vector layer&lt;/b&gt;" />
  41                 <mx:HBox>
  42                         <mx:RadioButtonGroup id="filetype" />
  43                         <mx:RadioButton width="100%" groupName="filetype" value="gpx" id="gpx" label="GPX" selected="true" />
  44                         <mx:RadioButton width="100%" groupName="filetype" value="kml" id="kml" label="KML" />
  45                         <mx:RadioButton width="100%" groupName="filetype" value="osm" id="osm" label="OSM" />
  46                         <mx:RadioButton width="100%" groupName="filetype" value="shp" id="shp" label="Shapefile" />
  47                 </mx:HBox>
  48                 <mx:HBox>
  49                         <mx:Label text="Shapefile projection:" />
  50                         <mx:ComboBox id="projection">
  51                                 <mx:ArrayCollection>
  52                                         <mx:Object label="Lat/long" data="" />
  53                                         <mx:Object label="Ordnance Survey GB" data="EPSG:27700" />
  54                                         <mx:Object label="NAD83" data="EPSG:4269" />
  55                                 </mx:ArrayCollection>
  56                         </mx:ComboBox>
  57                         <mx:CheckBox width="100%" label="Simplify paths" selected="true" id="simplify" />
  58                 </mx:HBox>
  59                 <mx:HBox>
  60                         <mx:Text text="URL:"/>
  61                         <mx:TextInput width="100%" id="src" text="" />
  62                         <mx:Button label="Load" click="loadFiles(src.text, filetype.selectedValue.toString(), simplify.selected, projection.selectedItem.data);" enabled="{src.text == '' ? false : true}"/>
  63                 </mx:HBox>
  64         </mx:VBox>
  65
  66   <mx:Script><![CDATA[
  67
  68         import net.systemeD.halcyon.Map;
  69         import net.systemeD.halcyon.MapPaint;
  70         import net.systemeD.halcyon.Globals;
  71         import net.systemeD.halcyon.connection.Connection;
  72         import net.systemeD.potlatch2.utils.Importer;
  73         import net.systemeD.potlatch2.utils.GpxImporter;
  74         import net.systemeD.potlatch2.utils.KmlImporter;
  75         import net.systemeD.potlatch2.utils.ShpImporter;
  76         import net.systemeD.potlatch2.utils.OsmImporter;
  77         import net.systemeD.potlatch2.collections.Stylesheets;
  78     import mx.managers.PopUpManager;
  79     import mx.events.DataGridEvent;
  80     import mx.events.CloseEvent;
  81     import mx.core.Application;
  82         import mx.collections.ArrayCollection;
  83         import mx.controls.Alert;
  84
  85         private var map:Map;
  86
  87         public function styleEdited(name:String,stylesheet:String):void {
  88                 map.findLayer(name).setStyle(stylesheet);
  89         }
  90
  91
  92     public function init():void {
  93         PopUpManager.addPopUp(this, Application(Application.application), true);
  94         PopUpManager.centerPopUp(this);
  95         this.addEventListener(CloseEvent.CLOSE, vectorDialog_close);
  96                 dataGrid.addEventListener("visibility_changed", toggleVisibility);
  97                 map = Globals.vars.root;
  98                 dispatchEvent(new Event("layers_changed"));
  99     }
 100
 101         public function whichStyle(item:Object):Object {
 102                 for each (var style:Object in styles) {
 103                         if (style.url==item.style) { return style; }
 104                 }
 105                 return {};
 106         }
 107
 108         [Bindable(event="bogus")]
 109         public function get styles():ArrayCollection {
 110                 return new ArrayCollection(Stylesheets.instance().collection);
 111         }
 112
 113         [Bindable(event="layers_changed")]
 114         private function get vectorLayers():Array {
 115         var v:Array=[];
 116         for each (var a:MapPaint in map.getLayers() ) {
 117             v.push( { name:a.connection.name, visible:a.visible, url:a.connection.apiBase, style:a.style, isBackground:a.isBackground } );
 118         }
 119                 return v;
 120         }
 121
 122         private function toggleVisibility(event:Event):void {
 123                 map.findLayer(dataGrid.selectedItem.name).visible = !map.findLayer(dataGrid.selectedItem.name).visible;
 124         }
 125
 126         private function dataEdited(event:DataGridEvent):void {
 127                 if (event.dataField=='name') {
 128                         // Rename field
 129                         var a:String=dataGrid.selectedItem.name;
 130                         var b:String=dataGrid.itemEditorInstance['text'];       // this is, unbelievably, how you get data within an itemEditEnd event
 131                         if (a==b || map.findLayer(b)) {
 132                                 event.preventDefault();
 133                         } else {
 134                                 map.findLayer(a).connection.name = b;
 135                         }
 136                         dispatchEvent(new Event("layers_changed"));
 137                 }
 138         }
 139
 140         private function removeLayer():void {
 141                 map.removeLayerByName(dataGrid.selectedItem.name);
 142                 dispatchEvent(new Event("layers_changed"));
 143         }
 144
 145     private function vectorDialog_close(evt:CloseEvent):void {
 146         PopUpManager.removePopUp(this);
 147     }
 148
 149         private function loadFiles(url:String,type:String,simplify:Boolean,projection:String=""):void {
 150                 var names:Array=url.split('/'); var name:String=names[names.length-1];
 151                 var stylesheet:String="stylesheets/potlatch.css";
 152                 if (type=='gpx') { stylesheet="stylesheets/gpx.css"; }
 153
 154                 var connection:Connection = new Connection(name, url, null, null);
 155
 156                 var filesLoaded:Function = function(success:Boolean,message:String=null):void {
 157                         if (success) {
 158                             var paint:MapPaint = map.addLayer(connection, stylesheet);
 159                             paint.updateEntityUIs(false, false);
 160                             dispatchEvent(new Event("layers_changed"));
 161                         } else {
 162                             Alert.show(message, 'Error', mx.controls.Alert.OK);
 163                         }
 164                 }
 165
 166                 if (type=='gpx') {
 167                         var gpx:GpxImporter=new GpxImporter(connection, map, [url], filesLoaded, simplify);
 168                 } else if (type=='kml') {
 169                         var kml:KmlImporter=new KmlImporter(connection, map, [url], filesLoaded, simplify);
 170                 } else if (type=='osm') {
 171                         var osm:OsmImporter=new OsmImporter(connection, map, [url], filesLoaded, simplify);
 172                 } else {
 173                         /* FIXME:
 174                            we're currently hardcoding the projection values. We could populate this directly from
 175                            proj4as, or better still, parse the WKT in the .PRJ file:
 176                                         http://trac.osgeo.org/proj4js/ticket/47
 177                                         http://trac.osgeo.org/proj4js/changeset/1873
 178                         */
 179                         var re:RegExp=/.shp$/i; url=url.replace(re,'');
 180                         var shp:ShpImporter=new ShpImporter(connection,
 181                                                             map,
 182                                                             [url+".shp",url+".shx",url+".dbf"], filesLoaded, simplify, projection);
 183                 }
 184         }
 185
 186               ]]>
 187   </mx:Script>
 188 </mx:TitleWindow>