import flash.events.*;
import flash.display.*;
import flash.net.*;
- import flash.text.TextField;
import net.systemeD.halcyon.FileBank;
import net.systemeD.halcyon.Map;
import net.systemeD.halcyon.MapEvent;
import net.systemeD.potlatch2.FunctionKeyManager;
import mx.collections.ArrayCollection;
import com.adobe.serialization.json.JSON;
+ import mx.core.FlexGlobals;
/*
There's lots of further tidying we can do:
public var collection:Array=[];
private var _selected:Object={};
- private var _map:Map;
- private var _overlay:Sprite;
-
/* Load catalogue file */
- public function init(map:Map, overlay:Sprite):void {
- _map = map;
- _overlay = overlay;
-
+ public function init():void {
// load imagery file
var request:URLRequest = new URLRequest(INDEX_URL);
var loader:URLLoader = new URLLoader();
loader.addEventListener(IOErrorEvent.IO_ERROR, onError);
loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, onError);
loader.load(request);
-
- // create map listeners
- map.addEventListener(MapEvent.MOVE_END, moveHandler);
- map.addEventListener(MapEvent.RESIZE, resizeHandler);
}
private function onImageryIndexLoad(event:Event):void {
bg.logoData = fb.getAsBitmapData(name);
bg.logoWidth = fb.getWidth(name);
bg.logoHeight = fb.getHeight(name);
- setLogo();
+ dispatchEvent(new Event("refreshAttribution"));
});
}
if (bg.attribution && bg.attribution.data_url) {
}
});
if (saved.name && !_selected) { collection.push(saved); _selected=saved; }
- setBackground(_selected);
-
- // Tell the function key manager that we'd like to receive function key calls
- FunctionKeyManager.instance().registerListener('Background imagery',
- function(o:String):void { setBackground(findBackgroundWithName(o)); });
+ if (_selected) dispatchEvent(new CollectionEvent(CollectionEvent.SELECT, _selected));
+ dispatchEvent(new Event("imageryLoaded"));
dispatchEvent(new Event("collection_changed"));
}
}
default xml namespace = new Namespace("");
bg.attribution.providers=providers;
- setAttribution();
+ dispatchEvent(new Event("refreshAttribution"));
}
- public function setBackground(bg:Object):void {
- // set background
- _selected=bg;
- dispatchEvent(new CollectionEvent(CollectionEvent.SELECT, bg));
- // update attribution and logo
- _overlay.visible=bg.hasOwnProperty('attribution');
- setLogo(); setAttribution(); setTerms();
- // save as SharedObject for next time
- var obj:SharedObject = SharedObject.getLocal("user_state","/");
- obj.setProperty('background_url' ,String(bg.url));
- obj.setProperty('background_name',String(bg.name));
- try { obj.flush(); } catch (e:Error) {}
- }
-
public function get selected():Object { return _selected; }
- private function findBackgroundWithName(name:String):Object {
+ public function findBackgroundWithName(name:String):Object {
for each (var bg:Object in collection) {
if (bg.name==name) { return bg; }
}
return { url:'' };
}
- private function moveHandler(event:MapEvent):void {
- setAttribution();
- dispatchEvent(new Event("collection_changed"));
- }
-
- /* --------------------
- Attribution and logo */
-
- private function setAttribution():void {
- var tf:TextField=TextField(_overlay.getChildAt(0));
- tf.text='';
- if (!_selected.attribution) return;
- var attr:Array=[];
- if (_selected.attribution.providers) {
- // Bing attribution scheme
- for (var provider:String in _selected.attribution.providers) {
- for each (var bounds:Array in _selected.attribution.providers[provider]) {
- if (_map.scale>=bounds[0] && _map.scale<=bounds[1] &&
- ((_map.edge_l>bounds[3] && _map.edge_l<bounds[5]) ||
- (_map.edge_r>bounds[3] && _map.edge_r<bounds[5]) ||
- (_map.edge_l<bounds[3] && _map.edge_r>bounds[5])) &&
- ((_map.edge_b>bounds[2] && _map.edge_b<bounds[4]) ||
- (_map.edge_t>bounds[2] && _map.edge_t<bounds[4]) ||
- (_map.edge_b<bounds[2] && _map.edge_t>bounds[4]))) {
- attr.push(provider);
- }
- }
- }
- }
- if (attr.length==0) return;
- tf.text="Background "+attr.join(", ");
- positionAttribution();
- dispatchEvent(new MapEvent(MapEvent.BUMP, { y: tf.textHeight })); // don't let the toolbox obscure it
- }
- private function positionAttribution():void {
- var tf:TextField=TextField(_overlay.getChildAt(0));
- tf.x=_map.mapwidth - 5 - tf.textWidth;
- tf.y=_map.mapheight - 5 - tf.textHeight;
- }
-
- private function setLogo():void {
- while (_overlay.numChildren>2) { _overlay.removeChildAt(2); }
- if (!_selected.logoData) return;
- var logo:Sprite=new Sprite();
- logo.addChild(new Bitmap(_selected.logoData));
- if (_selected.attribution.url) { logo.buttonMode=true; logo.addEventListener(MouseEvent.CLICK, launchLogoLink, false, 0, true); }
- _overlay.addChild(logo);
- positionLogo();
- }
- private function positionLogo():void {
- _overlay.getChildAt(2).x=5;
- _overlay.getChildAt(2).y=_map.mapheight - 5 - _selected.logoHeight - (_selected.terms_url ? 10 : 0);
- }
- private function launchLogoLink(e:Event):void {
- if (!_selected.attribution.url) return;
- navigateToURL(new URLRequest(_selected.attribution.url), '_blank');
- }
- private function setTerms():void {
- var terms:TextField=TextField(_overlay.getChildAt(1));
- if (!_selected.attribution) { terms.text=''; return; }
- if (_selected.attribution && _selected.attribution.text) { terms.text=_selected.attribution.text; }
- else { terms.text="Background terms of use"; }
- positionTerms();
- terms.addEventListener(MouseEvent.CLICK, launchTermsLink, false, 0, true);
- }
- private function positionTerms():void {
- _overlay.getChildAt(1).x=5;
- _overlay.getChildAt(1).y=_map.mapheight - 15;
- }
- private function launchTermsLink(e:Event):void {
- if (!_selected.attribution.url) return;
- navigateToURL(new URLRequest(_selected.attribution.url), '_blank');
- }
-
- private function resizeHandler(event:MapEvent):void {
- if (_selected.logoData) positionLogo();
- if (_selected.terms_url) positionTerms();
- if (_selected.attribution) positionAttribution();
- }
-
[Bindable(event="collection_changed")]
public function getCollection():ArrayCollection {
return new ArrayCollection(collection);
Imagery index parser */
[Bindable(event="collection_changed")]
- public function getAvailableImagery():ArrayCollection {
+ public function getAvailableImagery(map:Map):ArrayCollection {
var available:Array=[];
for each (var bg:Object in collection) {
if (bg.extent && bg.extent.polygon) {
// check if in boundary polygon
var included:Boolean=false;
for each (var poly:Array in bg.extent.polygon) {
- if (pointInPolygon(_map.centre_lon, _map.centre_lat, poly)) { included=true; }
+ if (pointInPolygon(map.centre_lon, map.centre_lat, poly)) { included=true; }
}
if (included) { available.push(bg); }
} else if (bg.extent && bg.extent.bbox && bg.extent.bbox.min_lon) {
// if there's a bbox, check the current viewport intersects it
- if (((_map.edge_l>bg.extent.bbox.min_lon && _map.edge_l<bg.extent.bbox.max_lon) ||
- (_map.edge_r>bg.extent.bbox.min_lon && _map.edge_r<bg.extent.bbox.max_lon) ||
- (_map.edge_l<bg.extent.bbox.min_lon && _map.edge_r>bg.extent.bbox.max_lon)) &&
- ((_map.edge_b>bg.extent.bbox.min_lat && _map.edge_b<bg.extent.bbox.max_lat) ||
- (_map.edge_t>bg.extent.bbox.min_lat && _map.edge_t<bg.extent.bbox.max_lat) ||
- (_map.edge_b<bg.extent.bbox.min_lat && _map.edge_t>bg.extent.bbox.max_lat))) {
+ if (((map.edge_l>bg.extent.bbox.min_lon && map.edge_l<bg.extent.bbox.max_lon) ||
+ (map.edge_r>bg.extent.bbox.min_lon && map.edge_r<bg.extent.bbox.max_lon) ||
+ (map.edge_l<bg.extent.bbox.min_lon && map.edge_r>bg.extent.bbox.max_lon)) &&
+ ((map.edge_b>bg.extent.bbox.min_lat && map.edge_b<bg.extent.bbox.max_lat) ||
+ (map.edge_t>bg.extent.bbox.min_lat && map.edge_t<bg.extent.bbox.max_lat) ||
+ (map.edge_b<bg.extent.bbox.min_lat && map.edge_t>bg.extent.bbox.max_lat))) {
available.push(bg);
}
} else if (!bg.type || bg.type!='wms') {
projects / potlatch2.git / blobdiff