Java tutorial
/******************************************************************************* * Copyright (c) 2011 CollabNet. * 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: * CollabNet - initial API and implementation ******************************************************************************/ package com.collabnet.ccf.migration.dialogs; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.viewers.ColumnLayoutData; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.IOpenListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.OpenEvent; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.ui.ISharedImages; import org.eclipse.ui.PlatformUI; import com.collabnet.ccf.Activator; import com.collabnet.ccf.dialogs.CcfDialog; import com.collabnet.ccf.dialogs.ExceptionDetailsErrorDialog; import com.collabnet.ccf.migration.MigrationResult; public class MigrateLandscapeResultsDialog extends CcfDialog { private MigrationResult[] migrationResults; private Table table; private TableViewer tableViewer; private String[] columnHeaders = { "Migration Result" }; private ColumnLayoutData columnLayouts[] = { new ColumnWeightData(100, 100, true) }; public MigrateLandscapeResultsDialog(Shell shell, MigrationResult[] migrationResults) { super(shell, "MigrateLandscapeResultsDialog"); this.migrationResults = migrationResults; } protected Control createDialogArea(Composite parent) { getShell().setText("CCF 2.x Migration Results"); Composite composite = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); layout.numColumns = 1; composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); table = new Table(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION); table.setLinesVisible(false); table.setHeaderVisible(true); GridData gd = new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_VERTICAL | GridData.VERTICAL_ALIGN_FILL); gd.widthHint = 500; gd.heightHint = 500; table.setLayoutData(gd); TableLayout tableLayout = new TableLayout(); table.setLayout(tableLayout); tableViewer = new TableViewer(table); tableViewer.setContentProvider(new MigrationResultsContentProvider(migrationResults)); tableViewer.setLabelProvider(new MigrationResultsLabelProvider()); for (int i = 0; i < columnHeaders.length; i++) { tableLayout.addColumnData(columnLayouts[i]); TableColumn tc = new TableColumn(table, SWT.NONE, i); tc.setResizable(columnLayouts[i].resizable); tc.setText(columnHeaders[i]); } tableViewer.setInput(this); tableViewer.addOpenListener(new IOpenListener() { public void open(OpenEvent event) { IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection(); if (selection != null && selection.getFirstElement() instanceof MigrationResult) { MigrationResult migrationResult = (MigrationResult) selection.getFirstElement(); if (migrationResult.getResultType() == MigrationResult.ERROR) { if (migrationResult.getException().getMessage().contains("<html>")) { MigrateLandscapeErrorDialog dialog = new MigrateLandscapeErrorDialog(getShell(), migrationResult.getException()); dialog.open(); } else { ExceptionDetailsErrorDialog.openError(getShell(), "Migrate Landscape to CCF 2.x", migrationResult.getException().getMessage(), new Status(IStatus.ERROR, Activator.PLUGIN_ID, migrationResult.getException().getLocalizedMessage(), migrationResult.getException())); } } } } }); for (MigrationResult migrationResult : migrationResults) { if (migrationResult.getResultType() == MigrationResult.ERROR) { new Label(composite, SWT.NONE); Label errorLabel = new Label(composite, SWT.NONE); errorLabel.setText("Double click error message for details."); break; } } return composite; } class MigrationResultsContentProvider implements IStructuredContentProvider { private MigrationResult[] migrationResults; public MigrationResultsContentProvider(MigrationResult[] migrationResults) { super(); this.migrationResults = migrationResults; } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public Object[] getElements(Object inputElement) { if (migrationResults == null) { return new MigrationResult[0]; } return migrationResults; } } class MigrationResultsLabelProvider extends LabelProvider implements ITableLabelProvider { public Image getColumnImage(Object element, int columnIndex) { if (columnIndex == 0) { if (((MigrationResult) element).getResultType() == MigrationResult.ERROR) { return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR); } } return null; } public String getColumnText(Object element, int columnIndex) { return ((MigrationResult) element).getResultMessage(); } } }