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.data)"
  28                                                 dataProvider="{outerDocument.styles}" />
  29                                         </mx:Component>
  30                                 </mx:itemRenderer>
  31                         </mx:DataGridColumn>
  32             </mx:columns>
  33         </mx:DataGrid>
  34         <mx:HBox horizontalAlign="right" width="100%">
  35                 <mx:LinkButton label="Delete" click="removeVectorLayer()" enabled="{dataGrid.selectedItem != null? true : false}"/>
  36         </mx:HBox>
  37
  38         <mx:VBox width="100%" paddingTop="10">
  39                 <mx:Label htmlText="&lt;b&gt;Add new vector layer&lt;/b&gt;" />
  40                 <mx:HBox>
  41                         <mx:RadioButtonGroup id="filetype" />
  42                         <mx:RadioButton width="100%" groupName="filetype" value="gpx" id="gpx" label="GPX" selected="true" />
  43                         <mx:RadioButton width="100%" groupName="filetype" value="osm" id="osm" label="OSM" />
  44                         <mx:RadioButton width="100%" groupName="filetype" value="shp" id="shp" label="Shapefile" />
  45                         <mx:CheckBox width="100%" label="Simplify paths" selected="true" id="simplify" />
  46                 </mx:HBox>
  47                 <mx:HBox>
  48                         <mx:Text text="URL:"/>
  49                         <mx:TextInput width="100%" id="src" text="" />
  50                         <mx:Button label="Load" click="loadFiles(src.text, filetype.selectedValue.toString(), simplify.selected);" enabled="{src.text == '' ? false : true}"/>
  51                 </mx:HBox>
  52         </mx:VBox>
  53
  54   <mx:Script><![CDATA[
  55
  56         import net.systemeD.halcyon.Map;
  57         import net.systemeD.halcyon.Globals;
  58         import net.systemeD.halcyon.VectorLayer;
  59         import net.systemeD.potlatch2.utils.Importer;
  60         import net.systemeD.potlatch2.utils.GpxImporter;
  61         import net.systemeD.potlatch2.utils.ShpImporter;
  62         import net.systemeD.potlatch2.utils.OsmImporter;
  63     import mx.managers.PopUpManager;
  64     import mx.events.DataGridEvent;
  65     import mx.events.CloseEvent;
  66     import mx.core.Application;
  67         import mx.collections.ArrayCollection;
  68         import mx.controls.Alert;
  69
  70         private var map:Map;
  71
  72         public function styleEdited(name:String,stylesheet:String):void {
  73                 map.vectorlayers[name].style=stylesheet;
  74                 map.vectorlayers[name].redrawFromCSS(stylesheet)
  75         }
  76
  77
  78     public function init():void {
  79         PopUpManager.addPopUp(this, Application(Application.application), true);
  80         PopUpManager.centerPopUp(this);
  81         this.addEventListener(CloseEvent.CLOSE, vectorDialog_close);
  82                 dataGrid.addEventListener("visibility_changed", toggleVisibility);
  83                 map = Globals.vars.root;
  84                 dispatchEvent(new Event("layers_changed"));
  85     }
  86
  87         public function whichStyle(item:Object):Object {
  88                 for each (var style:Object in styles) {
  89                         if (style.data==item.style) { return style; }
  90                 }
  91                 return {};
  92         }
  93
  94         [Bindable(event="bogus")]
  95         public function get styles():ArrayCollection {
  96                 return new ArrayCollection(Application.application.theController.stylesheets);
  97         }
  98
  99         [Bindable(event="layers_changed")]
 100         private function get vectorLayers():Array {
 101                 var v:Array=[];
 102                 for (var a:String in map.vectorlayers) {
 103                         var vl:VectorLayer=map.vectorlayers[a];
 104                         v.push( { name:a, visible:vl.paint.visible, url:vl.url, style:vl.style } );
 105                 }
 106                 return v;
 107         }
 108
 109         private function toggleVisibility(event:Event):void {
 110                 map.vectorlayers[dataGrid.selectedItem.name].paint.visible = !map.vectorlayers[dataGrid.selectedItem.name].paint.visible;
 111         }
 112
 113         private function dataEdited(event:DataGridEvent):void {
 114                 if (event.dataField=='name') {
 115                         // Rename field
 116                         var a:String=dataGrid.selectedItem.name;
 117                         var b:String=dataGrid.itemEditorInstance['text'];       // this is, unbelievably, how you get data within an itemEditEnd event
 118                         if (a==b || map.vectorlayers[b]) {
 119                                 event.preventDefault();
 120                         } else {
 121                                 map.vectorlayers[b]=map.vectorlayers[a];
 122                                 delete map.vectorlayers[a];
 123                         }
 124                         dispatchEvent(new Event("layers_changed"));
 125                 }
 126         }
 127
 128         private function removeVectorLayer():void {
 129                 var a:String=dataGrid.selectedItem.name;
 130                 map.vectorlayers[a].blank();
 131                 delete map.vectorlayers[a];
 132                 dispatchEvent(new Event("layers_changed"));
 133         }
 134
 135     private function vectorDialog_close(evt:CloseEvent):void {
 136         PopUpManager.removePopUp(this);
 137     }
 138
 139         private function loadFiles(url:String,type:String,simplify:Boolean):void {
 140                 var names:Array=url.split('/'); var name:String=names[names.length-1];
 141                 var vectorlayer:VectorLayer=new VectorLayer(name,map,"potlatch.css");
 142                 vectorlayer.url=url;
 143                 map.addVectorLayer(vectorlayer);
 144
 145                 if (type=='gpx') {
 146                         var gpx:GpxImporter=new GpxImporter(vectorlayer, vectorlayer.paint, [url], filesLoaded, simplify);
 147                 } else if (type=='osm') {
 148                         var osm:OsmImporter=new OsmImporter(vectorlayer, vectorlayer.paint, [url], filesLoaded, simplify);
 149                 } else {
 150                         var re:RegExp=/.shp$/i; url=url.replace(re,'');
 151                         var shp:ShpImporter=new ShpImporter(vectorlayer,
 152                                                             vectorlayer.paint,
 153                                                             [url+".shp",url+".shx",url+".dbf"], filesLoaded, simplify);
 154                 }
 155         }
 156
 157         public function filesLoaded(success:Boolean,message:String=null):void {
 158                 if (success) {
 159                         dispatchEvent(new Event("layers_changed"));
 160                 } else {
 161                         Alert.show(message, 'Error', mx.controls.Alert.OK);
 162                 }
 163         }
 164
 165               ]]>
 166   </mx:Script>
 167 </mx:TitleWindow>