teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui.map;
ingo@805: 
gernotbelger@9483: import org.dive4elements.river.client.client.FLYSConstants;
gernotbelger@9483: import org.dive4elements.river.client.client.ui.CollectionView;
gernotbelger@9483: import org.dive4elements.river.client.client.ui.NoopThemeRecordHandler;
gernotbelger@9483: import org.dive4elements.river.client.client.ui.ThemePanel;
gernotbelger@9483: import org.dive4elements.river.client.shared.model.AttributedTheme;
gernotbelger@9483: import org.dive4elements.river.client.shared.model.FacetRecord;
gernotbelger@9483: import org.dive4elements.river.client.shared.model.OutputMode;
gernotbelger@9483: import org.dive4elements.river.client.shared.model.Theme;
gernotbelger@9483: 
ingo@805: import com.google.gwt.core.client.GWT;
ingo@805: import com.smartgwt.client.types.ListGridFieldType;
christian@4064: import com.smartgwt.client.util.BooleanCallback;
christian@4064: import com.smartgwt.client.util.SC;
ingo@805: import com.smartgwt.client.widgets.grid.ListGridField;
ingo@1327: import com.smartgwt.client.widgets.grid.ListGridRecord;
christian@4064: import com.smartgwt.client.widgets.grid.events.HeaderDoubleClickEvent;
christian@4064: import com.smartgwt.client.widgets.grid.events.HeaderDoubleClickHandler;
ingo@805: import com.smartgwt.client.widgets.layout.VLayout;
ingo@1377: import com.smartgwt.client.widgets.menu.Menu;
ingo@1377: import com.smartgwt.client.widgets.menu.MenuItem;
ingo@1377: import com.smartgwt.client.widgets.menu.events.ClickHandler;
ingo@1377: import com.smartgwt.client.widgets.menu.events.MenuItemClickEvent;
ingo@805: 
ingo@805: /**
ingo@805:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@805:  */
ingo@805: public class MapThemePanel extends ThemePanel {
ingo@805: 
ingo@4330:     public static final int CELL_HEIGHT = 25;
ingo@1327: 
ingo@806:     public interface ActivateCallback {
ingo@806:         void activate(Theme theme, boolean activate);
ingo@806:     }
ingo@806: 
ingo@1303:     public interface ThemeMovedCallback {
ingo@1303:         void onThemeMoved(Theme theme, int oldIdx, int newIdx);
ingo@1303:     }
ingo@1303: 
ingo@1377:     public interface LayerZoomCallback {
ingo@1377:         void onLayerZoom(Theme theme, String extent);
ingo@1377:     }
ingo@1377: 
gernotbelger@9483:     private final FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@805: 
gernotbelger@9483:     protected ActivateCallback activateCallback;
ingo@1303:     protected ThemeMovedCallback themeMovedCallback;
gernotbelger@9483:     protected LayerZoomCallback layerZoomCallback;
ingo@806: 
ingo@1382:     protected ListGridRecord[] oldRecords;
ingo@1382: 
ingo@805:     public static final String GRID_FIELD_ACTIVE = "active";
gernotbelger@9483:     public static final String GRID_FIELD_NAME = "name";
ingo@805: 
ingo@805:     protected MapOutputTab mapOut;
ingo@805: 
gernotbelger@9483:     public MapThemePanel(final CollectionView view, final OutputMode mode, final MapOutputTab mapOut, final ActivateCallback activateCallback,
gernotbelger@9483:             final ThemeMovedCallback themeMovedCallback, final LayerZoomCallback layerZoomCallback) {
gernotbelger@9416:         super(mode, view, new NoopThemeRecordHandler());
ingo@805: 
gernotbelger@9483:         this.mapOut = mapOut;
gernotbelger@9483:         this.activateCallback = activateCallback;
ingo@1303:         this.themeMovedCallback = themeMovedCallback;
gernotbelger@9483:         this.layerZoomCallback = layerZoomCallback;
ingo@806: 
ingo@805:         initGrid();
ingo@805:         initLayout();
ingo@805: 
ingo@805:         updateGrid();
ingo@805:     }
ingo@805: 
ingo@805:     protected void initLayout() {
ingo@805:         setWidth100();
ingo@805:         setHeight100();
ingo@805: 
gernotbelger@9483:         final VLayout layout = new VLayout();
ingo@805:         layout.setWidth100();
ingo@805:         layout.setHeight100();
ingo@805: 
gernotbelger@9483:         layout.addMember(this.list);
gernotbelger@9483:         layout.addMember(this.navigation);
ingo@805: 
ingo@805:         addChild(layout);
ingo@805:     }
ingo@805: 
ingo@805:     protected void initGrid() {
gernotbelger@9483:         this.list.setCanEdit(true);
gernotbelger@9483:         this.list.setCanSort(false);
gernotbelger@9483:         this.list.setShowRecordComponents(false);
gernotbelger@9483:         this.list.setShowRecordComponentsByCell(true);
gernotbelger@9483:         this.list.setShowHeader(true);
gernotbelger@9483:         this.list.setShowHeaderContextMenu(false);
gernotbelger@9483:         this.list.setCanReorderFields(false);
gernotbelger@9483:         this.list.setWidth100();
gernotbelger@9483:         this.list.setHeight100();
ingo@805: 
gernotbelger@9483:         this.list.addHeaderDoubleClickHandler(new HeaderDoubleClickHandler() {
christian@4064:             @Override
gernotbelger@9483:             public void onHeaderDoubleClick(final HeaderDoubleClickEvent event) {
raimund@2436:                 // cancel the event.
raimund@2436:                 return;
raimund@2436:             }
raimund@2436:         });
raimund@2436: 
gernotbelger@9483:         this.list.setCellHeight(CELL_HEIGHT);
gernotbelger@9483:         this.list.setShowRecordComponents(true);
gernotbelger@9483:         this.list.setShowRecordComponentsByCell(true);
gernotbelger@9483:         this.list.setShowAllRecords(true);
ingo@1327: 
gernotbelger@9483:         this.list.addEditCompleteHandler(this);
ingo@805: 
gernotbelger@9483:         final ListGridField active = new ListGridField(GRID_FIELD_ACTIVE, " ", 20);
ingo@805:         active.setType(ListGridFieldType.BOOLEAN);
ingo@1327:         active.setCanDragResize(false);
ingo@1327: 
gernotbelger@9483:         final ListGridField name = new ListGridField(GRID_FIELD_NAME, this.MSG.chart_themepanel_header_themes());
ingo@805:         name.setType(ListGridFieldType.TEXT);
ingo@805: 
gernotbelger@9483:         this.list.setFields(active, name);
ingo@805:     }
ingo@805: 
ingo@805:     @Override
ingo@1382:     protected void clearGrid() {
gernotbelger@9483:         this.oldRecords = this.list.getRecords();
ingo@1382:         super.clearGrid();
ingo@1382:     }
ingo@1382: 
ingo@1382:     @Override
gernotbelger@9483:     protected void addFacetRecord(final FacetRecord rec) {
gernotbelger@9483:         final Theme newTheme = rec.getTheme();
gernotbelger@9483:         boolean isNew = true;
ingo@1382: 
gernotbelger@9483:         for (final ListGridRecord old : getOldRecords()) {
gernotbelger@9483:             final FacetRecord fr = (FacetRecord) old;
ingo@1382: 
ingo@1382:             if (newTheme.equals(fr.getTheme())) {
ingo@1382:                 isNew = false;
ingo@1382:                 break;
ingo@1382:             }
ingo@1382:         }
ingo@1382: 
gernotbelger@9483:         if (isNew && this.mapOut != null)
gernotbelger@9483:             this.mapOut.addLayer(newTheme);
ingo@1382: 
ingo@1382:         super.addFacetRecord(rec);
ingo@1382:     }
ingo@1382: 
ingo@1382:     @Override
ingo@1377:     protected Menu getSingleContextMenu(final ListGridRecord[] records) {
gernotbelger@9483:         final Menu menu = super.getSingleContextMenu(records);
ingo@1377: 
gernotbelger@9483:         final MenuItem layerZoom = createLayerZoomItem(records);
ingo@1377:         if (layerZoom != null) {
ingo@1377:             menu.addItem(layerZoom);
ingo@1377:         }
aheinecke@5792:         menu.addItem(createMapURLItem(records));
ingo@1377: 
ingo@1377:         return menu;
ingo@1377:     }
ingo@1377: 
christian@4739:     protected MenuItem createMapURLItem(final ListGridRecord[] records) {
gernotbelger@9483:         final FacetRecord fr = (FacetRecord) records[0];
gernotbelger@9483:         final Theme theme = fr.getTheme();
gernotbelger@9483:         final AttributedTheme at = (AttributedTheme) theme;
christian@4739: 
gernotbelger@9483:         final MenuItem item = new MenuItem(this.MSG.wmsURLMenuItem());
christian@4739:         item.addClickHandler(new ClickHandler() {
christian@4739:             @Override
gernotbelger@9483:             public void onClick(final MenuItemClickEvent evt) {
gernotbelger@9483:                 final String url = getMapOutputTab().getWMSUrl(theme);
gernotbelger@9483: 
gernotbelger@9483:                 SC.say(MapThemePanel.this.MSG.wmsURLBoxTitle(), url);
christian@4739:             }
christian@4739:         });
christian@4739: 
christian@4739:         return item;
christian@4739:     }
christian@4739: 
ingo@1382:     @Override
ingo@1382:     protected MenuItem createRemoveItem(final ListGridRecord[] records) {
gernotbelger@9483:         final MenuItem item = super.createRemoveItem(records);
ingo@1382:         item.addClickHandler(new ClickHandler() {
ingo@1382:             @Override
gernotbelger@9483:             public void onClick(final MenuItemClickEvent evt) {
gernotbelger@9483:                 SC.ask(MapThemePanel.this.MSG.askThemeRemove(), new BooleanCallback() {
ingo@1422:                     @Override
gernotbelger@9483:                     public void execute(final Boolean value) {
ingo@1422:                         if (value) {
gernotbelger@9483:                             for (final ListGridRecord record : records) {
gernotbelger@9483:                                 final FacetRecord facet = (FacetRecord) record;
ingo@1382: 
gernotbelger@9483:                                 final Theme theme = facet.getTheme();
ingo@1422:                                 theme.setVisible(0);
ingo@1422:                                 theme.setActive(0);
ingo@1382: 
gernotbelger@9483:                                 getMapOutputTab().removeLayer(theme);
ingo@1422:                             }
ingo@1382: 
ingo@1422:                             updateCollection();
ingo@1422:                         }
ingo@1422:                     }
ingo@1422:                 });
ingo@1382:             }
ingo@1382:         });
ingo@1382: 
ingo@1382:         return item;
ingo@1382:     }
ingo@1382: 
ingo@1377:     protected MenuItem createLayerZoomItem(final ListGridRecord[] recs) {
gernotbelger@9483:         final FacetRecord fr = (FacetRecord) recs[0];
ingo@1377:         final AttributedTheme at = (AttributedTheme) fr.getTheme();
ingo@1377: 
ingo@1377:         final String extent = at.getAttr("extent");
ingo@1377: 
ingo@1377:         if (extent == null || extent.length() == 0) {
ingo@1377:             return null;
ingo@1377:         }
ingo@1377: 
gernotbelger@9483:         final MenuItem zoom = new MenuItem(this.MSG.zoomToLayer());
ingo@1377:         zoom.addClickHandler(new ClickHandler() {
ingo@1377:             @Override
gernotbelger@9483:             public void onClick(final MenuItemClickEvent evt) {
gernotbelger@9483:                 if (MapThemePanel.this.layerZoomCallback != null) {
gernotbelger@9483:                     MapThemePanel.this.layerZoomCallback.onLayerZoom(at, extent);
ingo@1377:                 }
ingo@1377:             }
ingo@1377:         });
ingo@1377: 
ingo@1377:         return zoom;
ingo@1377:     }
ingo@1377: 
christian@4064:     @Override
christian@4064:     public String getWidthAsString() {
gernotbelger@9483:         if (!isVisible()) {
christian@4064:             return "0";
gernotbelger@9483:         } else {
christian@4064:             return super.getWidthAsString();
christian@4064:         }
christian@4064:     }
ingo@1377: 
ingo@1377:     @Override
gernotbelger@9483:     public void activateTheme(final Theme theme, final boolean active) {
gernotbelger@9483:         if (this.activateCallback != null) {
gernotbelger@9483:             this.activateCallback.activate(theme, active);
ingo@806:         }
ingo@806: 
ingo@805:         theme.setActive(active ? 1 : 0);
ingo@805:     }
ingo@1303: 
ingo@1303:     @Override
gernotbelger@9483:     protected void fireThemeMoved(final Theme theme, final int oldIdx, final int newIdx) {
gernotbelger@9483:         if (this.themeMovedCallback != null) {
gernotbelger@9483:             this.themeMovedCallback.onThemeMoved(theme, oldIdx, newIdx);
ingo@1303:         }
ingo@1303:     }
ingo@1382: 
ingo@1382:     protected ListGridRecord[] getOldRecords() {
gernotbelger@9483:         return this.oldRecords != null ? this.oldRecords : new ListGridRecord[0];
ingo@1382:     }
ingo@1382: 
ingo@1382:     protected MapOutputTab getMapOutputTab() {
gernotbelger@9483:         return this.mapOut;
ingo@1382:     }
ingo@805: }
ingo@805: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :