ingo@527: package de.intevation.flys.client.client.ui.chart;
ingo@527: 
ingo@527: import java.util.ArrayList;
ingo@527: import java.util.List;
ingo@527: 
ingo@527: import com.google.gwt.core.client.GWT;
ingo@527: 
ingo@527: import com.smartgwt.client.types.Alignment;
ingo@527: import com.smartgwt.client.widgets.Label;
ingo@527: import com.smartgwt.client.widgets.Canvas;
ingo@527: import com.smartgwt.client.widgets.events.ClickEvent;
ingo@527: import com.smartgwt.client.widgets.events.ClickHandler;
ingo@527: import com.smartgwt.client.widgets.layout.HLayout;
ingo@527: 
ingo@527: import de.intevation.flys.client.client.event.OnMoveEvent;
ingo@527: import de.intevation.flys.client.client.event.OnMoveHandler;
ingo@527: 
ingo@527: 
ingo@527: /**
ingo@527:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@527:  */
ingo@527: public class ThemeNavigationPanel extends Canvas {
ingo@527: 
ingo@527:     public static final int PANEL_MARGIN  = 5;
ingo@527:     public static final int BUTTON_HEIGHT = 20;
ingo@527:     public static final int BUTTON_MARGIN = 5;
ingo@527: 
ingo@527: 
ingo@527:     protected List<OnMoveHandler> handlers;
ingo@527: 
ingo@527: 
ingo@527:     public ThemeNavigationPanel() {
ingo@527:         this.handlers = new ArrayList<OnMoveHandler>();
ingo@527: 
ingo@527:         setWidth100();
ingo@527:         setHeight(BUTTON_HEIGHT);
ingo@527:         setMargin(PANEL_MARGIN);
ingo@527: 
ingo@527:         HLayout layout = new HLayout();
ingo@527:         layout.setWidth100();
ingo@527:         layout.setHeight(BUTTON_HEIGHT);
ingo@527:         layout.setMembersMargin(BUTTON_MARGIN);
ingo@527: 
ingo@527:         Canvas cu = createButton("CU", OnMoveEvent.TOP);
ingo@527:         Canvas u  = createButton("U", OnMoveEvent.UP);
ingo@527:         Canvas d  = createButton("D", OnMoveEvent.DOWN);
ingo@527:         Canvas cd = createButton("CD", OnMoveEvent.BOTTOM);
ingo@527: 
ingo@527:         layout.addMember(cu);
ingo@527:         layout.addMember(u);
ingo@527:         layout.addMember(d);
ingo@527:         layout.addMember(cd);
ingo@527: 
ingo@527:         addChild(layout);
ingo@527:     }
ingo@527: 
ingo@527: 
ingo@527:     protected Canvas createButton(final String type, final int moveType) {
ingo@527:         Label b = new Label(type);
ingo@527:         b.setBackgroundColor("#BED730");
ingo@527:         b.setBorder("1px solid black");
ingo@527:         b.setWidth(40);
ingo@527:         b.setHeight(BUTTON_HEIGHT);
ingo@527:         b.setAlign(Alignment.CENTER);
ingo@527: 
ingo@527:         b.addClickHandler(new ClickHandler() {
ingo@527:             public void onClick(ClickEvent event) {
ingo@527:                 fireOnMoveEvent(moveType);
ingo@527:             }
ingo@527:         });
ingo@527: 
ingo@527:         return b;
ingo@527:     }
ingo@527: 
ingo@527: 
ingo@527:     protected void addOnMoveHandler(OnMoveHandler handler) {
ingo@527:         if (handler != null) {
ingo@527:             handlers.add(handler);
ingo@527:         }
ingo@527:     }
ingo@527: 
ingo@527: 
ingo@527:     protected void fireOnMoveEvent(int type) {
ingo@527:         OnMoveEvent event = new OnMoveEvent(type);
ingo@527: 
ingo@527:         for (OnMoveHandler handler: handlers) {
ingo@527:             handler.onMove(event);
ingo@527:         }
ingo@527:     }
ingo@527: }
ingo@527: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :