ingo@796: package de.intevation.flys.client.client.ui.map;
ingo@796: 
ingo@823: import com.google.gwt.core.client.GWT;
ingo@797: import com.google.gwt.user.client.ui.HorizontalPanel;
ingo@797: import com.google.gwt.user.client.ui.Widget;
ingo@797: 
ingo@796: import com.smartgwt.client.widgets.Canvas;
ingo@798: import com.smartgwt.client.widgets.events.ResizedEvent;
ingo@798: import com.smartgwt.client.widgets.events.ResizedHandler;
ingo@796: import com.smartgwt.client.widgets.layout.HLayout;
ingo@798: import com.smartgwt.client.widgets.layout.VLayout;
ingo@796: 
ingo@797: import org.gwtopenmaps.openlayers.client.Bounds;
ingo@806: import org.gwtopenmaps.openlayers.client.Map;
ingo@806: import org.gwtopenmaps.openlayers.client.layer.Layer;
ingo@797: import org.gwtopenmaps.openlayers.client.layer.WMS;
ingo@797: import org.gwtopenmaps.openlayers.client.layer.WMSParams;
ingo@823: import org.gwtopenmaps.openlayers.client.layer.WMSOptions;
ingo@797: 
ingo@806: import de.intevation.flys.client.shared.model.AttributedTheme;
ingo@796: import de.intevation.flys.client.shared.model.Collection;
ingo@806: import de.intevation.flys.client.shared.model.Theme;
ingo@806: import de.intevation.flys.client.shared.model.ThemeList;
ingo@796: import de.intevation.flys.client.shared.model.OutputMode;
ingo@796: 
ingo@796: import de.intevation.flys.client.client.ui.CollectionView;
ingo@796: import de.intevation.flys.client.client.ui.OutputTab;
ingo@806: import de.intevation.flys.client.client.ui.ThemePanel;
ingo@796: 
ingo@796: 
ingo@796: public class MapOutputTab extends OutputTab {
ingo@796: 
ingo@823:     public static final String DEFAULT_SRID = "4326";
ingo@823: 
ingo@823: 
ingo@796:     protected CollectionView parent;
ingo@796: 
ingo@806:     protected Canvas     controlPanel;
ingo@806:     protected ThemePanel themePanel;
ingo@806:     protected Widget     mapPanel;
ingo@797: 
ingo@797:     protected FloodMap floodMap;
ingo@796: 
ingo@796: 
ingo@796:     public MapOutputTab(
ingo@796:         String         title,
ingo@796:         Collection     collection,
ingo@796:         OutputMode     mode,
ingo@796:         CollectionView collectionView
ingo@796:     ){
ingo@796:         super(title, collection, mode);
ingo@796:         this.parent = collectionView;
ingo@796: 
ingo@823:         floodMap = new FloodMap(getSrid(), getMaxExtent());
ingo@797: 
ingo@796:         initLayout();
ingo@797:         initLayers();
ingo@796:     }
ingo@796: 
ingo@796: 
ingo@796:     protected void initLayout() {
ingo@798:         VLayout rootLayout = new VLayout();
ingo@798:         rootLayout.setHeight100();
ingo@798:         rootLayout.setWidth100();
ingo@798:         rootLayout.setMembersMargin(2);
ingo@797: 
ingo@798:         final Canvas  wrapper = new Canvas();
ingo@798:         wrapper.setWidth100();
ingo@798:         wrapper.setHeight100();
ingo@798: 
ingo@800:         controlPanel = createControlPanel(wrapper);
ingo@800:         mapPanel     = floodMap.getMapWidget();
ingo@806:         Canvas themePanelWrapper = createThemePanel();
ingo@800: 
ingo@797:         final HorizontalPanel layout = new HorizontalPanel();
ingo@798:         layout.setWidth("99%");
ingo@798:         layout.setHeight("99%");
ingo@797:         layout.add(mapPanel);
ingo@797: 
ingo@798:         wrapper.addChild(layout);
ingo@797: 
ingo@798:         HLayout hlayout = new HLayout();
ingo@798:         hlayout.setHeight("*");
ingo@798:         hlayout.setWidth100();
ingo@798:         hlayout.setMembersMargin(2);
ingo@797: 
ingo@806:         hlayout.addMember(themePanelWrapper);
ingo@798:         hlayout.addMember(wrapper);
ingo@798: 
ingo@798:         rootLayout.addMember(controlPanel);
ingo@798:         rootLayout.addMember(hlayout);
ingo@798: 
ingo@798:         wrapper.addResizedHandler(new ResizedHandler() {
ingo@798:             public void onResized(ResizedEvent e) {
ingo@798:                 Integer height = wrapper.getHeight();
ingo@798:                 Integer width  = wrapper.getWidth();
ingo@798: 
ingo@798:                 height = height * 99 / 100;
ingo@798:                 width  = width  * 99 / 100;
ingo@798: 
ingo@798:                 String w = String.valueOf(width) + "px";
ingo@798:                 String h = String.valueOf(height) + "px";
ingo@798: 
ingo@798:                 floodMap.setSize(w, h);
ingo@798:             }
ingo@798:         });
ingo@798: 
ingo@798:         setPane(rootLayout);
ingo@797:     }
ingo@797: 
ingo@797: 
ingo@797:     protected void initLayers() {
ingo@806:         ThemeList themeList = themePanel.getThemeList();
ingo@797: 
ingo@806:         int num = themeList.getThemeCount();
ingo@806: 
ingo@806:         Map    map    = floodMap.getMap();
ingo@806:         Bounds extent = null;
ingo@806: 
ingo@806:         for (int i = 1; i <= num; i++) {
ingo@806:             Theme theme = themeList.getThemeAt(i);
ingo@806:             Layer layer = createWMSLayer(theme);
ingo@806: 
ingo@806:             if (layer == null) {
ingo@806:                 continue;
ingo@806:             }
ingo@806: 
ingo@806:             map.addLayer(layer);
ingo@806: 
ingo@806:             AttributedTheme at = (AttributedTheme) theme;
ingo@806:             String tmp         = at.getAttr("extent");
ingo@806: 
ingo@806:             if (theme.getActive() == 1) {
ingo@806:                 if (extent == null) {
ingo@806:                     extent = boundsFromString(tmp);
ingo@806:                 }
ingo@806:                 else {
ingo@806:                     Bounds b = boundsFromString(tmp);
ingo@806: 
ingo@806:                     if (b != null) {
ingo@806:                         extent.extend(b);
ingo@806:                     }
ingo@806:                 }
ingo@806:             }
ingo@806:         }
ingo@806: 
ingo@823:         GWT.log("Maps initial extent = " + extent);
ingo@823: 
ingo@823:         map.zoomToExtent(extent  != null
ingo@806:             ? extent
ingo@806:             : new Bounds(-90, -180, 90, 180));
ingo@806:     }
ingo@806: 
ingo@806: 
ingo@823:     public ThemeList getThemeList() {
ingo@823:         return collection.getThemeList(mode.getName());
ingo@823:     }
ingo@823: 
ingo@823: 
ingo@823:     public String getSrid() {
ingo@823:         ThemeList themeList = getThemeList();
ingo@823: 
ingo@823:         int num = themeList.getThemeCount();
ingo@823: 
ingo@823:         for (int i = 1; i <= num; i++) {
ingo@823:             AttributedTheme theme = (AttributedTheme) themeList.getThemeAt(i);
ingo@823:             String srid = theme.getAttr("srid");
ingo@823: 
ingo@823:             if (srid != null && srid.length() > 0) {
ingo@823:                 return srid;
ingo@823:             }
ingo@823:         }
ingo@823: 
ingo@823:         return DEFAULT_SRID;
ingo@823:     }
ingo@823: 
ingo@823: 
ingo@823:     public Bounds getMaxExtent() {
ingo@823:         ThemeList themeList = getThemeList();
ingo@823: 
ingo@823:         int num = themeList.getThemeCount();
ingo@823: 
ingo@823:         Bounds extent = null;
ingo@823: 
ingo@823:         for (int i = 1; i <= num; i++) {
ingo@823:             AttributedTheme theme = (AttributedTheme) themeList.getThemeAt(i);
ingo@823:             String tmp = theme.getAttr("extent");
ingo@823: 
ingo@823:             if (theme.getActive() == 1) {
ingo@823:                 if (extent == null) {
ingo@823:                     extent = boundsFromString(tmp);
ingo@823:                 }
ingo@823:                 else {
ingo@823:                     Bounds b = boundsFromString(tmp);
ingo@823: 
ingo@823:                     if (b != null) {
ingo@823:                         extent.extend(b);
ingo@823:                     }
ingo@823:                 }
ingo@823:             }
ingo@823:         }
ingo@823: 
ingo@823:         return extent;
ingo@823:     }
ingo@823: 
ingo@823: 
ingo@806:     protected Bounds boundsFromString(String bounds) {
ingo@806:         if (bounds == null || bounds.length() == 0) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
ingo@806:         String[] values = bounds.split(" ");
ingo@806: 
ingo@806:         if (values == null || values.length < 4) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
ingo@806:         try {
ingo@806:             return new Bounds(
ingo@806:                 Double.valueOf(values[0]),
ingo@823:                 Double.valueOf(values[1]),
ingo@806:                 Double.valueOf(values[2]),
ingo@823:                 Double.valueOf(values[3]));
ingo@806:         }
ingo@806:         catch (NumberFormatException nfe) {}
ingo@806: 
ingo@806:         return null;
ingo@806:     }
ingo@806: 
ingo@806: 
ingo@806:     protected Layer createWMSLayer(Theme theme) {
ingo@806:         if (theme == null) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
ingo@806:         AttributedTheme at = (AttributedTheme) theme;
ingo@806: 
ingo@806:         String type   = at.getAttr("name");
ingo@806:         String desc   = at.getAttr("description");
ingo@806:         String url    = at.getAttr("url");
ingo@806:         String layers = at.getAttr("layers");
ingo@806: 
ingo@806:         if (url == null || layers == null) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
ingo@806:         //boolean baseLayer = type.equals("floodmap.wmsbackground");
ingo@797: 
ingo@797:         WMSParams params = new WMSParams();
ingo@797:         params.setLayers(layers);
ingo@797:         params.setFormat("image/png");
ingo@806:         params.setIsTransparent(true);
ingo@797: 
ingo@823:         WMSOptions opts = new WMSOptions();
ingo@823:         opts.setProjection("EPSG:" + getSrid());
ingo@823:         opts.setSingleTile(true);
ingo@823:         opts.setRatio(1);
ingo@823: 
ingo@823:         WMS wms = new WMS(desc, url, params, opts);
ingo@806:         wms.setIsVisible(at.getActive() == 1);
ingo@806:         wms.setIsBaseLayer(false);
ingo@797: 
ingo@806:         return wms;
ingo@797:     }
ingo@797: 
ingo@797: 
ingo@800:     protected Canvas createControlPanel(Canvas wrapper) {
ingo@800:         return new MapToolbar(floodMap, wrapper);
ingo@796:     }
ingo@796: 
ingo@796: 
ingo@796:     protected Canvas createThemePanel() {
ingo@796:         Canvas c = new Canvas();
ingo@796:         c.setWidth(200);
ingo@796:         c.setHeight100();
ingo@797:         c.setBorder("1px solid black");
ingo@796: 
ingo@806:         themePanel = new MapThemePanel(
ingo@806:             collection, mode, new MapThemePanel.ActivateCallback() {
ingo@806:                 public void activate(Theme theme, boolean active) {
ingo@806:                     activateTheme(theme, active);
ingo@806:                 }
ingo@806:             });
ingo@806:         c.addChild(themePanel);
ingo@796: 
ingo@796:         return c;
ingo@796:     }
ingo@806: 
ingo@806: 
ingo@806:     protected void activateTheme(Theme theme, boolean active) {
ingo@806:         String name = theme.getDescription();
ingo@806:         Layer layer = floodMap.getMap().getLayerByName(name);
ingo@806: 
ingo@806:         if (layer != null) {
ingo@806:             layer.setIsVisible(active);
ingo@806:         }
ingo@806:     }
ingo@796: }
ingo@796: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :