Java tutorial
/******************************************************************************* * Copyright (c) 2016 BREDEX GmbH. * 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: * BREDEX GmbH - initial API and implementation and/or initial documentation *******************************************************************************/ package org.eclipse.jubula.client.ui.rcp.wizards.pages; import java.awt.Desktop; import java.net.URI; import java.util.Map; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jubula.client.core.model.IReusedProjectPO; import org.eclipse.jubula.client.core.model.ProjectVersion; import org.eclipse.jubula.client.ui.constants.Constants; import org.eclipse.jubula.client.ui.constants.ContextHelpIds; import org.eclipse.jubula.client.ui.constants.IconConstants; import org.eclipse.jubula.client.ui.rcp.Plugin; import org.eclipse.jubula.client.ui.rcp.i18n.Messages; import org.eclipse.jubula.client.ui.utils.LayoutUtil; import org.eclipse.jubula.client.ui.widgets.UIComponentHelper; import org.eclipse.jubula.tools.internal.constants.StringConstants; import org.eclipse.jubula.tools.internal.constants.SwtToolkitConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; /** * @author BREDEX GmbH * @created 01.07.2016 */ public class UpdateReusedProjectsDialog extends TitleAreaDialog implements ISelectionChangedListener { /** Title of project name column */ private static final String PROJECT_NAME_COLUMN = "Project Name"; //$NON-NLS-1$ /** Title of current project version column */ private static final String CURRENT_VERSION = "Current version"; //$NON-NLS-1$ /** Title of new project version column */ private static final String NEW_VERSION = "New version"; //$NON-NLS-1$ /** Margin size */ private static final int MARGIN = 20; /** info about reused projects and newest versions */ private Map<IReusedProjectPO, ProjectVersion> m_oldReusedProjects; /** dont ask again */ private Button m_dontAskAgain; /** Project name label provider */ private ColumnLabelProvider m_nameProvider = new ColumnLabelProvider() { @Override public String getText(Object element) { if (element instanceof Map.Entry) { Map.Entry project = (Map.Entry) element; if (project.getKey() instanceof IReusedProjectPO) { return ((IReusedProjectPO) project.getKey()).getName(); } } return StringConstants.EMPTY; } }; /** Current version of reused project */ private ColumnLabelProvider m_currentVersionProvider = new ColumnLabelProvider() { @Override public String getText(Object element) { if (element instanceof Map.Entry) { Map.Entry project = (Map.Entry) element; if (project.getKey() instanceof IReusedProjectPO) { return ((IReusedProjectPO) project.getKey()).getVersionString(); } } return StringConstants.EMPTY; } }; /** Newest version of reused project */ private ColumnLabelProvider m_newVersionProvider = new ColumnLabelProvider() { @Override public String getText(Object element) { if (element instanceof Map.Entry) { Map.Entry project = (Map.Entry) element; if (project.getValue() instanceof ProjectVersion) { return ((ProjectVersion) project.getValue()).toString(); } } return StringConstants.EMPTY; } }; /** * @param shell active shell * @param oldReusedProjects info about reused projects and newest versions */ public UpdateReusedProjectsDialog(Shell shell, Map<IReusedProjectPO, ProjectVersion> oldReusedProjects) { super(shell); m_oldReusedProjects = oldReusedProjects; } @Override public Control createDialogArea(Composite parent) { setTitle(Messages.UpdateReusedProjectsTitle); setTitleImage(IconConstants.getImage(IconConstants.BIG_PROJECT_STRING)); setMessage(Messages.UpdateReusedProjectsMessage); GridData gridData; GridLayout layout = new GridLayout(); layout.numColumns = 1; layout.makeColumnsEqualWidth = true; parent.setLayout(layout); LayoutUtil.createSeparator(createComposite(parent, 0, MARGIN)); TableViewer viewer = new TableViewer(createComposite(parent), SWT.NONE); viewer.addSelectionChangedListener(this); viewer.setUseHashlookup(true); viewer.setContentProvider(new GeneralContentProvider()); createColumns(viewer); viewer.setInput(m_oldReusedProjects); Table table = viewer.getTable(); table.setData(SwtToolkitConstants.WIDGET_NAME, Messages.UpdateReusedProjectsWidgetName); table.setLinesVisible(true); table.setHeaderVisible(true); GridData tableGridData = new GridData(GridData.FILL_BOTH); tableGridData.grabExcessVerticalSpace = true; tableGridData.horizontalSpan = 3; table.setLayoutData(tableGridData); createComposite(parent, MARGIN, MARGIN); createDontAskCheckBox(createComposite(parent)); createOkLabel(createComposite(parent)); LayoutUtil.createSeparator(createComposite(parent, MARGIN, 0)); Plugin.getHelpSystem().setHelp(parent, ContextHelpIds.PROJECT_USED_PROPERTY_PAGE); return parent; } /** * @param parent parent composite * @return the new composite */ private Composite createComposite(Composite parent) { return createComposite(parent, 0, 0); } /** * @param parent parent composite * @param top margin * @param bottom margin * @return new composite */ private Composite createComposite(Composite parent, int top, int bottom) { Composite composite = new Composite(parent, SWT.NONE); GridData gridData = new GridData(); gridData.grabExcessHorizontalSpace = true; gridData.horizontalAlignment = GridData.FILL; composite.setLayoutData(gridData); GridLayout layout = new GridLayout(); layout.marginTop = top; layout.marginBottom = bottom; composite.setLayout(layout); return composite; } /** * Creates the OK label. * @param parent the parent composite */ private void createOkLabel(Composite parent) { String text = Messages.UpdateReusedProjectsMessage; Label nextLabel = UIComponentHelper.createLabelWithText(parent, text); Link link = new Link(parent, SWT.NONE); link.setText(Messages.DatabaseMigrationWebsiteLinkLabel); link.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent event) { openUri(Messages.DatabaseMigrationWebsiteLink); } }); GridData gridData = new GridData(); gridData.grabExcessHorizontalSpace = true; gridData.verticalAlignment = GridData.END; nextLabel.setLayoutData(gridData); } /** * @param uriString string of url */ private void openUri(String uriString) { Desktop desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop() : null; if (desktop != null && desktop.isSupported(Desktop.Action.BROWSE)) { try { URI uri = new URI(uriString); desktop.browse(uri); } catch (Exception e) { e.printStackTrace(); } } } /** * Column creator * @param tableViewer parent viewer */ private void createColumns(TableViewer tableViewer) { createTableViewerColumn(tableViewer, PROJECT_NAME_COLUMN, 200).setLabelProvider(m_nameProvider); createTableViewerColumn(tableViewer, CURRENT_VERSION, 150).setLabelProvider(m_currentVersionProvider); createTableViewerColumn(tableViewer, NEW_VERSION, 150).setLabelProvider(m_newVersionProvider); } /** * @param tableViewer parent viewer * @param title of column * @param bound of column * @return column */ private TableViewerColumn createTableViewerColumn(TableViewer tableViewer, String title, int bound) { final TableViewerColumn viewerColumn = new TableViewerColumn(tableViewer, SWT.NONE); final TableColumn column = viewerColumn.getColumn(); column.setText(title); column.setWidth(bound); column.setResizable(true); column.setMoveable(true); return viewerColumn; } /** Content provider */ private static class GeneralContentProvider implements IStructuredContentProvider { @Override public void dispose() { // noting } @Override public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { // noting } @Override public Object[] getElements(Object inputElement) { if (inputElement != null && inputElement instanceof Map) { return ((Map) inputElement).entrySet().toArray(); } return null; } } /** Creates the dont ask again check box * @param parent */ private void createDontAskCheckBox(Composite parent) { m_dontAskAgain = new Button(parent, SWT.CHECK); m_dontAskAgain.setText(Messages.InfoNaggerDialogToggleMsg); m_dontAskAgain.setSelection( Plugin.getDefault().getPreferenceStore().getBoolean(Constants.UPDATE_REUSED_PROJECT_KEY)); GridData data = new GridData(); data.grabExcessVerticalSpace = true; data.verticalAlignment = GridData.END; m_dontAskAgain.setLayoutData(data); } /** Disable the selection */ @Override public void selectionChanged(final SelectionChangedEvent event) { if (!event.getSelection().isEmpty() && event.getSource() instanceof TableViewer) { ((TableViewer) event.getSource()).setSelection(StructuredSelection.EMPTY); } } /** Save the check box selection*/ protected void okPressed() { Plugin.getDefault().getPreferenceStore().setValue(Constants.UPDATE_REUSED_PROJECT_KEY, m_dontAskAgain.getSelection()); super.okPressed(); } }