raimund@605: /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
raimund@605:  * Software engineering by Intevation GmbH
raimund@605:  *
raimund@605:  * This file is Free Software under the GNU GPL (v>=3)
raimund@605:  * and comes with ABSOLUTELY NO WARRANTY! Check out
raimund@605:  * the documentation coming with IMIS-Labordaten-Application for details.
raimund@605:  */
dustin@893: 
dustin@893: 
dustin@893: /**
dustin@893:  * This is the MapPanel.
dustin@893:  * It uses OpenLayers to display the map
dustin@893:  */
raimund@605: Ext.define('Lada.view.panel.Map', {
raimund@605:     extend: 'Ext.panel.Panel',
raimund@605:     alias: 'widget.map',
dustin@1021:     name: 'map',
raimund@605: 
raimund@614:     record: null,
raimund@638:     locationRecord: null,
dustin@1021:     externalOrteStore: false,
dustin@1021:     /*
dustin@1021:      * if externalOrteStore is true, the mappanel will not load the orte
dustin@1021:      * store on it's own; it expects an already loaded store instead
dustin@1021:      */
raimund@614: 
raimund@605:     /**
raimund@605:      * @cfg
raimund@605:      * OpenLayers map options.
mkrambach@1279:      * Please note that TMS zoom levels are roughly as this:
mkrambach@1279:      * 7 = 1:4000000 14 = 1:35000
raimund@605:      */
raimund@605:     mapOptions: {
raimund@1274:         maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
mkrambach@1279:         numZoomLevels: 15,
raimund@1274:         projection: 'EPSG:3857',
raimund@1274:         displayProjection: new OpenLayers.Projection('EPSG:4326')
raimund@605:     },
raimund@605: 
raimund@605: 
raimund@605:     /**
raimund@605:      * @private
raimund@605:      * Initialize the map panel.
raimund@605:      */
raimund@605:     initComponent: function() {
dustin@796:         var id = Ext.id();
raimund@614:         this.layers = [
raimund@1274:             new OpenLayers.Layer.TMS(
raimund@643:                 'Standard' + id,
raimund@1274:                 'http://www.imis.bfs.de/mapcache/tms/',
raimund@614:                 {
raimund@1274:                     layername: 'osm_bfs_google@GoogleMapsCompatible',
raimund@614:                     isBaseLayer: true,
raimund@1274:                     displayInLayerSwitcher: false,
raimund@1274:                     type: 'png',
raimund@1274:                     visibility: true,
raimund@1274:                     projection: 'EPSG:3857',
raimund@614:                 })
raimund@614:         ];
raimund@643:         this.map = new OpenLayers.Map('map_' + id, {
raimund@605:             controls: [],
raimund@605:             tileManager: null,
mkrambach@1279:             zoomMethod: null,
mkrambach@1279:             // initializing with view centered on germany
mkrambach@1279:             center: new OpenLayers.LonLat(1160000,6694000),
mkrambach@1279:             zoom: 7
raimund@605:         });
raimund@605:         this.map.setOptions(this.mapOptions);
raimund@605:         this.map.addLayers(this.layers);
raimund@605:         var keyControl = new OpenLayers.Control.KeyboardDefaults();
raimund@605:         this.map.addControl(keyControl);
raimund@605:         keyControl.activate();
raimund@605:         this.bodyStyle = {background: '#fff'};
raimund@614:         this.initData();
dustin@796:         this.addEvents('featureselected');
raimund@614:         this.callParent(arguments);
raimund@614:     },
raimund@614: 
dustin@895:     /**
dustin@895:      * Initialise the Data and Create an
dustin@895:      * Array of OpenLayers.Layer objects.
dustin@895:      */
raimund@614:     initData: function() {
raimund@614:         var me = this;
dustin@1021: 
dustin@1021:         if (!this.externalOrteStore) {
dustin@1021:             this.locationStore = Ext.data.StoreManager.get('orte');
raimund@1055:             this.addLocations(this.locationStore);
raimund@614:         }
raimund@614:     },
raimund@614: 
raimund@1049:     selectFeature: function(model, record) {
raimund@1130:         if (!record.get('id') || record.get('id') === '') {
raimund@1130:             return;
raimund@1130:         }
mkrambach@1279:         var feature = this.featureLayer.getFeaturesByAttribute('id', record.get('id'))[0];
raimund@614:         this.map.setCenter(
mkrambach@1279:             new OpenLayers.LonLat(feature.geometry.x, feature.geometry.y));
mkrambach@1279:         this.map.zoomTo(12);
mkrambach@1279: 
mkrambach@1279:         if (this.selectedFeatureLayer) {
mkrambach@1279:             if (this.selectedFeatureLayer.features.lenght > 0) {
mkrambach@1279:                 this.featureLayer.addFeatures(this.selectedFeatureLayer.features);
mkrambach@1279:             }
mkrambach@1279:             this.selectedFeatureLayer.addFeatures([feature]);
mkrambach@1279:         } else {
mkrambach@1279:             this.selectControl.select(feature);
mkrambach@1279:         }
mkrambach@1279:         //TODO: the text of new features is still drawn on top of the old feature's text
raimund@605:     },
raimund@605: 
raimund@638:     activateDraw: function(record) {
raimund@638:         this.locationRecord = record;
raimund@638:         if (!this.drawPoint) {
raimund@638:             this.drawPoint = new OpenLayers.Control.DrawFeature(this.featureLayer,
raimund@638:                 OpenLayers.Handler.Point);
raimund@638:             this.map.addControl(this.drawPoint);
raimund@638:         }
raimund@638:         this.drawPoint.activate();
raimund@638:         this.drawPoint.events.register('featureadded', this, this.featureAdded);
raimund@638:     },
raimund@638: 
raimund@638:     featureAdded: function(features) {
tom@1263:         this.locationRecord.set('kdaId', 4);
tom@1263:         this.locationRecord.set('koordYExtern', features.feature.geometry.y);
tom@1263:         this.locationRecord.set('koordXExtern', features.feature.geometry.x);
raimund@638:         this.drawPoint.deactivate();
raimund@1130:         this.fireEvent('featureadded', this.locationRecord);
raimund@1130:     //    this.selectControl.unselectAll();
raimund@1130:     //    this.selectControl.select(features.feature);
raimund@638:     },
raimund@638: 
dustin@1021:     addLocations: function(locationStore) {
raimund@1049:         var me = this;
dustin@1021:         locationFeatures = [];
dustin@1021: 
dustin@1021:         // Iterate the Store and create features from it
dustin@1021:         for (var i = 0; i < locationStore.count(); i++) {
dustin@1021:             locationFeatures.push(new OpenLayers.Feature.Vector(
dustin@1021:                 new OpenLayers.Geometry.Point(
dustin@1021:                     locationStore.getAt(i).get('longitude'),
dustin@1021:                     locationStore.getAt(i).get('latitude')
dustin@1021:                 ),
dustin@1021:                 {
dustin@1021:                     id: locationStore.getAt(i).get('id'),
raimund@1049:                     bez: locationStore.getAt(i).get('ortId')
dustin@1021:                 }
dustin@1021:             ));
dustin@1021:         }
dustin@1021: 
dustin@1021:         // Create a new Feature Layer and add it to the map
raimund@1049:         if (!this.featureLayer) {
mkrambach@1279:             this.featureLayer = new OpenLayers.Layer.Vector( 'alle Messpunkte', {
raimund@1049:                 styleMap: new OpenLayers.StyleMap({
raimund@1049:                     'default': new OpenLayers.Style(OpenLayers.Util.applyDefaults({
raimund@1049:                         externalGraphic: 'resources/lib/OpenLayers/img/marker-green.png',
raimund@1049:                         graphicOpacity: 1,
raimund@1049:                         pointRadius: 10,
raimund@1049:                         label: '${bez}',
raimund@1049:                         labelAlign: 'rt',
raimund@1049:                         fontColor: 'green',
raimund@1049:                         fontWeight: 'bold'
raimund@1049:                     }, OpenLayers.Feature.Vector.style['default'])),
raimund@1049:                     'select': new OpenLayers.Style({
raimund@1049:                         externalGraphic: 'resources/lib/OpenLayers/img/marker-blue.png',
raimund@1049:                         pointRadius: 15,
raimund@1049:                         label: '${bez}',
raimund@1049:                         labelAlign: 'rt',
raimund@1049:                         fontColor: 'blue',
raimund@1049:                         fontWeight: 'bold'
raimund@1049:                     })
raimund@1274:                 }),
mkrambach@1279:                 projection: new OpenLayers.Projection('EPSG:3857'),
raimund@1274:                 preFeatureInsert: function(feature) {
mkrambach@1279:                     feature.geometry.transform(new OpenLayers.Projection('EPSG:4326'),
mkrambach@1279:                                                new OpenLayers.Projection('EPSG:3857'));
raimund@1274:                 }
raimund@1049:             });
raimund@1049:             this.selectControl = new OpenLayers.Control.SelectFeature(this.featureLayer, {
raimund@1049:                 clickout: false,
raimund@1049:                 toggle: false,
raimund@1049:                 multiple: false,
raimund@1049:                 hover: false,
raimund@1049:                 onSelect: me.selectedFeature,
mkrambach@1279:                 layers: [me.featureLayer],
raimund@1049:                 scope: me
raimund@1049:             });
raimund@1049:             this.map.addControl(this.selectControl);
raimund@1049:             this.selectControl.activate();
raimund@1049:         }
raimund@1049:         this.featureLayer.removeAllFeatures();
dustin@1021:         this.featureLayer.addFeatures(locationFeatures);
dustin@1021:         this.map.addLayer(this.featureLayer);
mkrambach@1279:         this.featureLayer.setZIndex(500);
dustin@1021:     },
dustin@1021: 
raimund@605:     /**
raimund@605:      * @private
raimund@605:      * Override to display and update the map view in the panel.
raimund@605:      */
raimund@605:     afterRender: function() {
raimund@605:         this.superclass.afterRender.apply(this, arguments);
dustin@796: 
raimund@605:         this.map.render(this.body.dom);
raimund@605:         this.map.addControl(new OpenLayers.Control.Navigation());
raimund@605:         this.map.addControl(new OpenLayers.Control.PanZoomBar());
raimund@605:         this.map.addControl(new OpenLayers.Control.ScaleLine());
dustin@796:     },
dustin@796: 
dustin@796:     /**
dustin@796:      * Forward OpenlayersEvent to EXT
dustin@796:      */
mkrambach@1279:     selectedFeature: function(feature) {
mkrambach@1279:         this.selectControl.unselectAll({except:feature});
dustin@796:         this.fireEvent('featureselected', this, arguments);
raimund@614:     },
raimund@614: 
raimund@614:     beforeDestroy: function() {
raimund@614:         if (this.map) {
raimund@614:             this.map.destroy();
raimund@614:         }
raimund@614:         delete this.map;
raimund@614:         this.callParent(arguments);
raimund@605:     },
raimund@605: 
raimund@605:     /**
raimund@605:      * @private
raimund@605:      * Override to resize the map and reposition the logo.
raimund@605:      */
raimund@605:     onResize: function() {
raimund@605:         this.superclass.onResize.apply(this, arguments);
raimund@605:         this.map.updateSize();
raimund@605:     }
raimund@605: });