Java tutorial
/******************************************************************************* * Copyright (C) 2011 Angelo Zerr <angelo.zerr@gmail.com>, Pascal Leclercq <pascal.leclercq@gmail.com> * 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: * Angelo ZERR - initial API and implementation * Pascal Leclercq - initial API and implementation *******************************************************************************/ package org.eclipse.nebula.widgets.pagination.snippets.table.renderers; import java.util.ArrayList; import java.util.List; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.nebula.widgets.pagination.collections.PageResultLoaderList; import org.eclipse.nebula.widgets.pagination.collections.PageResultContentProvider; import org.eclipse.nebula.widgets.pagination.renderers.navigation.ResultAndNavigationPageGraphicsRenderer; import org.eclipse.nebula.widgets.pagination.renderers.navigation.ResultAndNavigationPageGraphicsRendererFactory; import org.eclipse.nebula.widgets.pagination.renderers.navigation.graphics.BlackNavigationPageGraphicsConfigurator; import org.eclipse.nebula.widgets.pagination.renderers.navigation.graphics.BlueNavigationPageGraphicsConfigurator; import org.eclipse.nebula.widgets.pagination.renderers.navigation.graphics.GreenNavigationPageGraphicsConfigurator; import org.eclipse.nebula.widgets.pagination.snippets.model.Person; import org.eclipse.nebula.widgets.pagination.table.PageableTable; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; /** * This sample display a list of String in a SWT Table with navigation page * drawn with {@link GC} by using * {@link ResultAndNavigationPageGraphicsRendererFactory}. * * The combo on the bottom of the table display several styles "Blue", "Green", * "Black" that you can select to change the styles of GC navigation page. * * You can change the total number of items. */ public class GraphicsPageableTableAndTotalChangedExample { private static final String[] TOTAL_ITEMS = new String[] { "5", "200", "1000", "2012" }; public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); GridLayout layout = new GridLayout(1, false); shell.setLayout(layout); Label totalLabel = new Label(shell, SWT.NONE); totalLabel.setText("Total:"); final Combo combo = new Combo(shell, SWT.READ_ONLY); combo.setItems(TOTAL_ITEMS); combo.select(3); // 1) Create pageable table with 10 items per page // This SWT Component create internally a SWT Table+JFace TreeViewer int pageSize = 10; final PageableTable pageableTable = new PageableTable(shell, SWT.BORDER, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL, pageSize, PageResultContentProvider.getInstance(), ResultAndNavigationPageGraphicsRendererFactory.getBlueFactory(), null); pageableTable.setLayoutData(new GridData(GridData.FILL_BOTH)); // 2) Initialize the table viewer TableViewer viewer = pageableTable.getViewer(); viewer.setContentProvider(ArrayContentProvider.getInstance()); viewer.setLabelProvider(new LabelProvider()); // 3) Set the page loader used to load a page (sublist of String) // according the page index selected, the page size etc. List<String> items = createList(combo); final PageResultLoaderList<String> pageLoader = new PageResultLoaderList<String>(items); pageableTable.setPageLoader(pageLoader); // 4) Set current page to 0 to display the first page pageableTable.setCurrentPage(0); combo.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { List<String> items = createList(combo); pageLoader.setItems(items); pageableTable.refreshPage(true); } }); final Combo styleCombo = new Combo(shell, SWT.READ_ONLY); styleCombo.setItems(new String[] { "Blue", "Green", "Black" }); styleCombo.select(0); styleCombo.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (styleCombo.getText().equals("Blue")) { ((ResultAndNavigationPageGraphicsRenderer) pageableTable.getCompositeTop()).getNavigationPage() .setConfigurator(BlueNavigationPageGraphicsConfigurator.getInstance()); } else if (styleCombo.getText().equals("Green")) { ((ResultAndNavigationPageGraphicsRenderer) pageableTable.getCompositeTop()) .setConfigurator(GreenNavigationPageGraphicsConfigurator.getInstance()); } else { ((ResultAndNavigationPageGraphicsRenderer) pageableTable.getCompositeTop()) .setConfigurator(BlackNavigationPageGraphicsConfigurator.getInstance()); } } }); shell.setSize(450, 300); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); } /** * Create a static list. * * @return */ private static List<String> createList(Combo combo) { int total = Integer.valueOf(TOTAL_ITEMS[combo.getSelectionIndex()]); List<String> names = new ArrayList<String>(); for (int i = 1; i < total; i++) { names.add("Name " + i); } return names; } }