Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/ContinuePanel.java @ 4254:33b15ac17fd1
Only create and add GaugePanel when necessary
The GaugePanel isn't created always and only show if WINFO and a river is
selected now. It is only created on demand. Therefore all access to the
GaugePanel is abstraced via methods that check if the GaugePanel is null before
accessing it's methods.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Thu, 25 Oct 2012 13:58:53 +0200 |
parents | 360e22afb98b |
children |
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package de.intevation.flys.client.client.ui; import com.google.gwt.core.client.GWT; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.LinkItem; import com.smartgwt.client.widgets.form.fields.events.ClickEvent; import com.smartgwt.client.widgets.form.fields.events.ClickHandler; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.event.AdvanceHandler; import de.intevation.flys.client.shared.model.ArtifactDescription; import de.intevation.flys.client.shared.model.Data; import de.intevation.flys.client.shared.model.DataList; import java.util.ArrayList; import java.util.List; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class ContinuePanel extends AbstractUIProvider { private static final long serialVersionUID = -5882814816875137397L; protected static FLYSConstants MSG = GWT.create(FLYSConstants.class); protected List<AdvanceHandler> advHandlers; @Override public Canvas create(DataList dataList) { DynamicForm form = new DynamicForm(); form.setWidth(200); form.setHeight(35); LinkItem next = new LinkItem(); next.setShowTitle(false); next.setLinkTitle(MSG.next()); final ArtifactDescription desc = artifact.getArtifactDescription(); final String[] reachable = desc.getReachableStates(); next.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent e) { fireOnAdvance(reachable[0]); } }); form.setFields(next); return form; } @Override public Canvas createOld(DataList dataList) { return null; } @Override protected Data[] getData() { return new Data[0]; } public void addAdvanceHandler(AdvanceHandler handler) { if (advHandlers == null) { advHandlers = new ArrayList<AdvanceHandler>(); } if (handler != null) { advHandlers.add(handler); } } public void fireOnAdvance(String target) { if (advHandlers == null || advHandlers.isEmpty()) { return; } for (AdvanceHandler handler: advHandlers) { handler.onAdvance(target); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :