Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2007 IBM Corporation 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: * IBM Corporation - initial API and implementation *******************************************************************************/ /* * Created on Dec 8, 2003 * * To change the template for this generated file go to Window>Preferences>Java>Code Generation>Code and Comments */ package org.eclipse.jst.j2ee.internal.wizard; import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jst.j2ee.datamodel.properties.IEARComponentImportDataModelProperties; import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEComponentImportDataModelProperties; import org.eclipse.jst.j2ee.internal.actions.IJ2EEUIContextIds; import org.eclipse.jst.j2ee.internal.archive.ArchiveWrapper; import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages; import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPlugin; import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPluginIcons; 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.DirectoryDialog; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent; import org.eclipse.wst.common.frameworks.datamodel.IDataModel; import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener; import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage; /** * @author cbridgha * * To change the template for this generated type comment go to Window>Preferences>Java>Code * Generation>Code and Comments */ public class EARComponentImportOptionsPage extends DataModelWizardPage { private Button deselectAllButton; private Button selectAllButton; private Label moduleProjectLocationLabel; protected Button browseButton; protected Button useAlternateRootBtn; protected Text systemDefaultText; protected ArchiveWrapper aWrapper; public CheckboxTableViewer availableJARsViewer; public boolean utilJarSelectionChanged = false; /** * @param model * @param pageName */ public EARComponentImportOptionsPage(IDataModel model, String pageName) { super(model, pageName); setTitle(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_MAIN_PG_TITLE)); setDescription(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_MAIN_PG_DESC)); setImageDescriptor( J2EEUIPlugin.getDefault().getImageDescriptor(J2EEUIPluginIcons.EAR_IMPORT_WIZARD_BANNER)); } /* * (non-Javadoc) * * @see org.eclipse.wst.common.frameworks.internal.ui.wizard.WTPWizardPage#createTopLevelComposite(org.eclipse.swt.widgets.Composite) */ @Override protected Composite createTopLevelComposite(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); setInfopopID(IJ2EEUIContextIds.IMPORT_EAR_WIZARD_P2); GridLayout layout = new GridLayout(); composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); createJARsComposite(composite); createProjectRootComposite(composite); return composite; } /* * Updates the enable state of the all buttons */ protected void updateButtonEnablements() { utilJarSelectionChanged = true; } protected void createAvailableJarsList(Composite listGroup) { availableJARsViewer = CheckboxTableViewer.newCheckList(listGroup, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); GridData gData = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL); gData.widthHint = 200; gData.heightHint = 80; availableJARsViewer.getControl().setLayoutData(gData); AvailableUtilJarsAndWebLibProvider availableUtilJARsProvider = new AvailableUtilJarsAndWebLibProvider(); availableJARsViewer.setContentProvider(availableUtilJARsProvider); availableJARsViewer.setLabelProvider(availableUtilJARsProvider); availableJARsViewer.addCheckStateListener(new ICheckStateListener() { public void checkStateChanged(CheckStateChangedEvent event) { availableJARCheckStateChanged(event); } }); availableJARsViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { updateButtonEnablements(); } }); TableLayout tableLayout = new TableLayout(); availableJARsViewer.getTable().setLayout(tableLayout); availableJARsViewer.getTable().setHeaderVisible(false); availableJARsViewer.getTable().setLinesVisible(false); model.addListener(new IDataModelListener() { public void propertyChanged(DataModelEvent event) { if (event.getPropertyName().equals(IEARComponentImportDataModelProperties.UTILITY_LIST)) { availableJARsViewer.setCheckedElements( ((List) model.getProperty(IEARComponentImportDataModelProperties.UTILITY_LIST)) .toArray()); } } }); } private void handleDeselectAllButtonPressed() { ArrayList emptySelection = new ArrayList(2); model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, emptySelection); validatePage(); } private void handleSelectAllButtonPressed() { ArrayList allSelection = new ArrayList(2); Object selection = null; for (int i = 0; (null != (selection = availableJARsViewer.getElementAt(i))); i++) { allSelection.add(selection); } model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, allSelection); validatePage(); } /** * Open an appropriate directory browser */ protected void handleBrowseButtonPressed() { DirectoryDialog dialog = new DirectoryDialog(browseButton.getShell()); dialog.setMessage(J2EEUIMessages.getResourceString(J2EEUIMessages.SELECT_DIRECTORY_DLG)); String dirName = getBrowseStartLocation(); if (!isNullOrEmpty(dirName)) { File path = new File(dirName); if (path.exists()) dialog.setFilterPath(dirName); } String selectedDirectory = dialog.open(); if (selectedDirectory != null) systemDefaultText.setText(selectedDirectory); } protected String getBrowseStartLocation() { String text = systemDefaultText.getText(); return text; } protected void createButtonsGroup(Composite parent) { Composite buttonGroup = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; buttonGroup.setLayout(layout); buttonGroup.setLayoutData(new GridData(GridData.FILL_BOTH)); selectAllButton = new Button(buttonGroup, SWT.PUSH); selectAllButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_SELECT_ALL_UTIL_BUTTON)); GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL); gd.widthHint = 160; selectAllButton.setLayoutData(gd); selectAllButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { handleSelectAllButtonPressed(); } }); deselectAllButton = new Button(buttonGroup, SWT.PUSH); deselectAllButton .setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_DESELECT_ALL_UTIL_BUTTON)); gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL); gd.widthHint = 160; deselectAllButton.setLayoutData(gd); deselectAllButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { handleDeselectAllButtonPressed(); } }); } protected void createJARsComposite(Composite parent) { Group group = new Group(parent, SWT.NULL); group.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_JARS_GROUP)); GridLayout layout = new GridLayout(); layout.numColumns = 1; group.setLayout(layout); group.setLayoutData(new GridData(GridData.FILL_BOTH)); Label description = new Label(group, SWT.NULL); description.setText( J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_SELECT_UTIL_JARS_TO_BE_PROJECTS)); GridData gd2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); gd2.horizontalSpan = 3; description.setLayoutData(gd2); // create jars check box viewer createAvailableJarsList(group); createButtonsGroup(group); } protected void createProjectRootComposite(Composite parent) { Group group = new Group(parent, SWT.NULL); group.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.PROJECT_LOCATIONS_GROUP)); GridLayout layout = new GridLayout(); layout.numColumns = 3; group.setLayout(layout); group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Label description = new Label(group, SWT.NULL); description.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.NEW_PROJECT_GROUP_DESCRIPTION)); GridData gd2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); gd2.horizontalSpan = 3; description.setLayoutData(gd2); moduleProjectLocationLabel = new Label(group, SWT.NULL); moduleProjectLocationLabel.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.USE_DEFAULT_ROOT_RADIO)); moduleProjectLocationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL)); systemDefaultText = new Text(group, SWT.READ_ONLY | SWT.WRAP | SWT.BORDER); GridData gd = new GridData(GridData.FILL_HORIZONTAL); systemDefaultText.setLayoutData(gd); synchHelper.synchText(systemDefaultText, IEARComponentImportDataModelProperties.NESTED_MODULE_ROOT, null); browseButton = new Button(group, SWT.PUSH); browseButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.BROWSE_LABEL)); gd = new GridData(GridData.HORIZONTAL_ALIGN_END); browseButton.setLayoutData(gd); browseButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { handleBrowseButtonPressed(); } }); } private void refreshEARFileIfNecessary() { if (isEARFileChanged()) { aWrapper = (ArchiveWrapper) model.getProperty(IJ2EEComponentImportDataModelProperties.ARCHIVE_WRAPPER); refresh(); } } protected void setJARsCompositeEnabled(boolean enabled) { availableJARsViewer.getTable().setEnabled(enabled); availableJARsViewer.setAllChecked(false); availableJARsViewer.setAllGrayed(!enabled); selectAllButton.setEnabled(enabled); deselectAllButton.setEnabled(enabled); } private void refresh() { availableJARsViewer.setInput(aWrapper); } public boolean isEARFileChanged() { return aWrapper != model.getProperty(IJ2EEComponentImportDataModelProperties.ARCHIVE_WRAPPER); } @Override protected void enter() { super.enter(); refreshEARFileIfNecessary(); } public void availableJARCheckStateChanged(CheckStateChangedEvent event) { model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, getJARsForProjects()); validatePage(); } public List getJARsForProjects() { refreshEARFileIfNecessary(); List result = new ArrayList(); result.addAll(Arrays.asList(availableJARsViewer.getCheckedElements())); return result; } protected boolean isNullOrEmpty(String aString) { return aString == null || aString.length() == 0; } @Override protected String[] getValidationPropertyNames() { return new String[] {}; } protected void restoreWidgetValues() { // This page doesn't implement... } @Override public void storeDefaultSettings() { // This page doesn't implement... } }