package org.jboss.as.console.client.widgets.pages;
import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.ui.DeckPanel;
import com.google.gwt.user.client.ui.LayoutPanel;
import com.google.gwt.user.client.ui.Widget;
import com.gwtplatform.mvp.client.proxy.PlaceManager;
import org.jboss.as.console.client.Console;
import java.util.LinkedList;
import java.util.List;
/**
* @author Heiko Braun
* @date 12/6/11
*/
public class PagedView {
private DeckPanel deck;
private LinkBar bar;
private boolean navOnFirstPage = false;
private Widget navigationBar;
private List<PageCallback> callbacks = new LinkedList<PageCallback>();
public PagedView(boolean navOnFirstPage) {
this.navOnFirstPage = navOnFirstPage;
deck = new DeckPanel();
deck.addStyleName("fill-layout");
bar = new LinkBar();
}
public PagedView() {
this(false);
}
public Widget asWidget() {
LayoutPanel layout = new LayoutPanel();
layout.setStyleName("fill-layout-width");
navigationBar = bar.asWidget();
navigationBar.addStyleName("paged-view-navigation");
layout.add(navigationBar);
layout.add(deck);
layout.setWidgetTopHeight(navigationBar, 2, Style.Unit.PX, 30, Style.Unit.PX);
layout.setWidgetTopHeight(deck, 30, Style.Unit.PX, 100, Style.Unit.PCT);
navigationBar.setVisible(navOnFirstPage);
return layout;
}
public void addPage(String title, Widget pageWidget)
{
deck.add(pageWidget);
final int index = deck.getWidgetCount()-1;
bar.addLink(title, new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
showPage(index);
}
});
}
public void showPage(int index) {
// notify callbacks
for(PageCallback callback : callbacks)
callback.onRevealPage(index);
if(!navOnFirstPage && navigationBar!=null)
{
// navigation only on subsequent pages
if(index>0)
{
navigationBar.setVisible(true);
}
else
{
navigationBar.setVisible(false);
}
}
// TODO: clear history tokens
if(index==0)
{
PlaceManager placeManager = Console.getPlaceManager();
String nameToken = placeManager.getCurrentPlaceRequest().getNameToken();
History.newItem(nameToken, false);
}
deck.showWidget(index);
bar.setActive(index);
}
public void addPageCallback(PageCallback callback) {
callbacks.add(callback);
}
public int getPage() {
return deck.getVisibleWidget();
}
public interface PageCallback {
void onRevealPage(int index);
}
}