/*******************************************************************************
* Copyright (c) 2013 EclipseSource and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* EclipseSource - initial API and implementation
******************************************************************************/
package com.eclipsesource.tabris.internal.ui;
import static com.eclipsesource.tabris.internal.Preconditions.checkArgumentNotNull;
import static com.eclipsesource.tabris.internal.Preconditions.checkState;
import com.eclipsesource.tabris.Store;
import com.eclipsesource.tabris.ui.Page;
import com.eclipsesource.tabris.ui.PageManager;
public class PageManagerImpl implements PageManager {
private final Controller controller;
private final UIContextImpl context;
public PageManagerImpl( Controller controller, UIContextImpl context ) {
checkArgumentNotNull( controller, Controller.class.getSimpleName() );
checkArgumentNotNull( context, UIContextImpl.class.getSimpleName() );
this.controller = controller;
this.context = context;
}
@Override
public void showPage( String pageId ) throws IllegalStateException {
showPage( pageId, new Store() );
}
@Override
public void showPage( String pageId, Store store ) throws IllegalStateException {
checkArgumentNotNull( store, Store.class.getSimpleName() );
PageDescriptor descriptor = context.getUI().getDescriptorHolder().getPageDescriptor( pageId );
checkState( descriptor, "Page with id " + pageId + " does not exist." );
controller.show( context, descriptor, store );
}
@Override
public boolean showPreviousPage() {
return controller.showPreviousPage( context );
}
@Override
public Page getPage() {
return controller.getCurrentPage();
}
@Override
public Store getPageStore() {
return controller.getCurrentStore();
}
}