--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/MapThemePanel.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,294 @@
+package org.dive4elements.river.client.client.ui.map;
+
+import com.google.gwt.core.client.GWT;
+
+import com.smartgwt.client.types.ListGridFieldType;
+import com.smartgwt.client.util.BooleanCallback;
+import com.smartgwt.client.util.SC;
+import com.smartgwt.client.widgets.grid.ListGridField;
+import com.smartgwt.client.widgets.grid.ListGridRecord;
+import com.smartgwt.client.widgets.grid.events.HeaderDoubleClickEvent;
+import com.smartgwt.client.widgets.grid.events.HeaderDoubleClickHandler;
+import com.smartgwt.client.widgets.layout.VLayout;
+import com.smartgwt.client.widgets.menu.Menu;
+import com.smartgwt.client.widgets.menu.MenuItem;
+import com.smartgwt.client.widgets.menu.events.ClickHandler;
+import com.smartgwt.client.widgets.menu.events.MenuItemClickEvent;
+
+import org.dive4elements.river.client.client.FLYSConstants;
+import org.dive4elements.river.client.client.ui.CollectionView;
+import org.dive4elements.river.client.client.ui.ThemePanel;
+import org.dive4elements.river.client.shared.model.AttributedTheme;
+import org.dive4elements.river.client.shared.model.FacetRecord;
+import org.dive4elements.river.client.shared.model.OutputMode;
+import org.dive4elements.river.client.shared.model.Theme;
+
+
+/**
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class MapThemePanel extends ThemePanel {
+
+    public static final int CELL_HEIGHT = 25;
+
+
+    public interface ActivateCallback {
+        void activate(Theme theme, boolean activate);
+    }
+
+
+    public interface ThemeMovedCallback {
+        void onThemeMoved(Theme theme, int oldIdx, int newIdx);
+    }
+
+    public interface LayerZoomCallback {
+        void onLayerZoom(Theme theme, String extent);
+    }
+
+
+
+    private FLYSConstants MSG = GWT.create(FLYSConstants.class);
+
+
+    protected ActivateCallback   activateCallback;
+    protected ThemeMovedCallback themeMovedCallback;
+    protected LayerZoomCallback  layerZoomCallback;
+
+    protected ListGridRecord[] oldRecords;
+
+
+    public static final String GRID_FIELD_ACTIVE = "active";
+    public static final String GRID_FIELD_NAME   = "name";
+
+
+    protected MapOutputTab mapOut;
+
+
+    public MapThemePanel(
+        CollectionView     view,
+        OutputMode         mode,
+        MapOutputTab       mapOut,
+        ActivateCallback   activateCallback,
+        ThemeMovedCallback themeMovedCallback,
+        LayerZoomCallback  layerZoomCallback
+    ) {
+        super(mode, view);
+
+        this.mapOut             = mapOut;
+        this.activateCallback   = activateCallback;
+        this.themeMovedCallback = themeMovedCallback;
+        this.layerZoomCallback  = layerZoomCallback;
+
+        initGrid();
+        initLayout();
+
+        updateGrid();
+    }
+
+
+    protected void initLayout() {
+        setWidth100();
+        setHeight100();
+
+        VLayout layout = new VLayout();
+        layout.setWidth100();
+        layout.setHeight100();
+
+        layout.addMember(list);
+        layout.addMember(navigation);
+
+        addChild(layout);
+    }
+
+
+    protected void initGrid() {
+        list.setCanEdit(true);
+        list.setCanSort(false);
+        list.setShowRecordComponents(false);
+        list.setShowRecordComponentsByCell(true);
+        list.setShowHeader(true);
+        list.setShowHeaderContextMenu(false);
+        list.setCanReorderFields(false);
+        list.setWidth100();
+        list.setHeight100();
+
+        list.addHeaderDoubleClickHandler(new HeaderDoubleClickHandler() {
+            @Override
+            public void onHeaderDoubleClick(HeaderDoubleClickEvent event) {
+                // cancel the event.
+                return;
+            }
+        });
+
+        list.setCellHeight(CELL_HEIGHT);
+        list.setShowRecordComponents(true);
+        list.setShowRecordComponentsByCell(true);
+        list.setShowAllRecords(true);
+
+        list.addEditCompleteHandler(this);
+
+        ListGridField active = new ListGridField(GRID_FIELD_ACTIVE, " ", 20);
+        active.setType(ListGridFieldType.BOOLEAN);
+        active.setCanDragResize(false);
+
+        ListGridField name = new ListGridField(
+            GRID_FIELD_NAME, MSG.chart_themepanel_header_themes());
+        name.setType(ListGridFieldType.TEXT);
+
+        list.setFields(active, name);
+    }
+
+
+    @Override
+    protected void clearGrid() {
+        oldRecords = list.getRecords();
+        super.clearGrid();
+    }
+
+
+    @Override
+    protected void addFacetRecord(FacetRecord rec) {
+        Theme newTheme = rec.getTheme();
+        boolean  isNew = true;
+
+        for (ListGridRecord old: getOldRecords()) {
+            FacetRecord fr = (FacetRecord) old;
+
+            if (newTheme.equals(fr.getTheme())) {
+                isNew = false;
+                break;
+            }
+        }
+
+        if (isNew && mapOut != null) {
+            mapOut.addLayer(mapOut.createWMSLayer(newTheme));
+        }
+
+        super.addFacetRecord(rec);
+    }
+
+
+    @Override
+    protected Menu getSingleContextMenu(final ListGridRecord[] records) {
+        Menu menu = super.getSingleContextMenu(records);
+
+        MenuItem layerZoom = createLayerZoomItem(records);
+        if (layerZoom != null) {
+            menu.addItem(layerZoom);
+        }
+        menu.addItem(createMapURLItem(records));
+
+        return menu;
+    }
+
+
+    protected MenuItem createMapURLItem(final ListGridRecord[] records) {
+        final FacetRecord     fr = (FacetRecord) records[0];
+        final AttributedTheme at = (AttributedTheme) fr.getTheme();
+
+        MenuItem item = new MenuItem(MSG.wmsURLMenuItem());
+        item.addClickHandler(new ClickHandler() {
+            @Override
+            public void onClick(MenuItemClickEvent evt) {
+                String url = getMapOutputTab().wmsUrls().get(at.getAttr("layers"));
+                SC.say(MSG.wmsURLBoxTitle(), url);
+            }
+        });
+
+        return item;
+    }
+
+
+    @Override
+    protected MenuItem createRemoveItem(final ListGridRecord[] records) {
+        MenuItem item = super.createRemoveItem(records);
+        item.addClickHandler(new ClickHandler() {
+            @Override
+            public void onClick(MenuItemClickEvent evt) {
+                SC.ask(MSG.askThemeRemove(), new BooleanCallback() {
+                    @Override
+                    public void execute(Boolean value) {
+                        if (value) {
+                            for (ListGridRecord record: records) {
+                                FacetRecord facet = (FacetRecord) record;
+
+                                Theme theme = facet.getTheme();
+                                theme.setVisible(0);
+                                theme.setActive(0);
+
+                                AttributedTheme at = (AttributedTheme) theme;
+                                getMapOutputTab().removeLayer(at.getAttr("layers"));
+                            }
+
+                            updateCollection();
+                        }
+                    }
+                });
+            }
+        });
+
+        return item;
+    }
+
+
+    protected MenuItem createLayerZoomItem(final ListGridRecord[] recs) {
+        final FacetRecord     fr = (FacetRecord) recs[0];
+        final AttributedTheme at = (AttributedTheme) fr.getTheme();
+
+        final String extent = at.getAttr("extent");
+
+        if (extent == null || extent.length() == 0) {
+            return null;
+        }
+
+        MenuItem zoom = new MenuItem(MSG.zoomToLayer());
+        zoom.addClickHandler(new ClickHandler() {
+            @Override
+            public void onClick(MenuItemClickEvent evt) {
+                if (layerZoomCallback != null) {
+                    layerZoomCallback.onLayerZoom(at, extent);
+                }
+            }
+        });
+
+        return zoom;
+    }
+
+    @Override
+    public String getWidthAsString() {
+        if(!isVisible()) {
+            return "0";
+        }
+        else {
+            return super.getWidthAsString();
+        }
+    }
+
+    @Override
+    public void activateTheme(Theme theme, boolean active) {
+        if (activateCallback != null) {
+            activateCallback.activate(theme, active);
+        }
+
+        theme.setActive(active ? 1 : 0);
+    }
+
+
+    @Override
+    protected void fireThemeMoved(Theme theme, int oldIdx, int newIdx) {
+        if (themeMovedCallback != null) {
+            themeMovedCallback.onThemeMoved(theme, oldIdx, newIdx);
+        }
+    }
+
+
+    protected ListGridRecord[] getOldRecords() {
+        return oldRecords != null ? oldRecords : new ListGridRecord[0];
+    }
+
+
+    protected MapOutputTab getMapOutputTab() {
+        return mapOut;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :