//------------------------------------------------------------------------------
// Copyright (c) 2005, 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 implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.importing.wizards;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.epf.authoring.ui.AuthoringUIResources;
import org.eclipse.epf.importing.ImportPlugin;
import org.eclipse.epf.importing.ImportResources;
import org.eclipse.epf.importing.services.PluginImportData;
import org.eclipse.epf.importing.services.PluginImportingService;
import org.eclipse.epf.importing.services.PluginImportData.PluginInfo;
import org.eclipse.epf.library.ui.LibraryUIImages;
import org.eclipse.epf.ui.wizards.BaseWizardPage;
import org.eclipse.epf.uma.MethodPlugin;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
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.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
/**
* A wizard page that prompts the user to the method plug-ins to import.
*
* @author Jeff Hardy
* @author Kelvin Low
* @since 1.0
*/
public class SelectPluginsToImport extends BaseWizardPage implements
ISelectionChangedListener, ICheckStateListener, Listener {
public static final String PAGE_NAME = SelectPluginsToImport.class
.getName();
private static final String libraryPluginExists = ImportResources.SelectPluginsToImport_libraryPluginExists;
private static final String libraryPluginNotExists = ImportResources.SelectPluginsToImport_libraryPluginNotExists;
private static final String pluginNoSelection = ImportResources.SelectPluginsToImport_pluginNoSelection;
private static final String pluginDataLabel = ImportResources.SelectPluginsToImport_pluginDataLabel;
private CheckboxTableViewer ctrl_chkboxTableViewer;
private Text ctrl_authorImport;
private Text ctrl_versionImport;
private Text ctrl_briefDescImport;
private Label importPluginLabel;
private Text ctrl_authorLibrary;
private Text ctrl_versionLibrary;
private Text ctrl_briefDescLibrary;
private Label libraryPluginLabel;
private Composite container;
private int checkedCount = 0;
private List checkedPluginList = new ArrayList();
private PluginImportData data;
private PluginImportingService service;
private Button selectAllButton;
private Button deselectAllButton;
/**
* Creates a new instance.
*/
public SelectPluginsToImport(PluginImportData data,
PluginImportingService service) {
super(PAGE_NAME);
setTitle(ImportResources.selectPluginsWizardPage_title);
setDescription(ImportResources.selectPluginsWizardPage_text);
setImageDescriptor(ImportPlugin.getDefault().getImageDescriptor(
"full/wizban/imp_meth_plugin_wizban.gif")); //$NON-NLS-1$
this.service = service;
this.data = data;
}
/**
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(Composite)
*/
public void createControl(Composite parent) {
container = new Composite(parent, SWT.NONE);
container.setLayout(new GridLayout(2, true));
Composite tableContainer = new Composite(container, SWT.NONE);
tableContainer.setLayout(new GridLayout());
GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = 2;
tableContainer.setLayoutData(gridData);
Composite container1 = new Composite(tableContainer, SWT.NONE);
container1.setLayout(new GridLayout(3, false));
createLabel(container1,
ImportResources.SelectPluginsToImport_label_plugins);
selectAllButton = createButton(
container1,
AuthoringUIResources.AuthoringUIPlugin_SaveAllEditorsPage_SelectAllButtonLabel);
deselectAllButton = createButton(
container1,
AuthoringUIResources.AuthoringUIPlugin_SaveAllEditorsPage_DeselectAllButtonLabel);
ctrl_chkboxTableViewer = createCheckboxTableViewer(tableContainer, 2);
ILabelProvider labelProvider = new LabelProvider() {
public Image getImage(Object element) {
return LibraryUIImages.IMG_METHOD_PLUGIN;
}
public String getText(Object element) {
if (element instanceof MethodPlugin) {
return ((MethodPlugin) element).getName();
} else {
return element.toString();
}
}
};
ctrl_chkboxTableViewer.setLabelProvider(labelProvider);
ctrl_chkboxTableViewer.setContentProvider(new ArrayContentProvider());
Composite importContainer = new Composite(container, SWT.NONE);
importContainer.setLayout(new GridLayout());
createImportPluginInfo(importContainer);
Composite libraryContainer = new Composite(container, SWT.NONE);
libraryContainer.setLayout(new GridLayout());
createLibraryPluginInfo(libraryContainer);
addListeners();
setControl(container);
setPageComplete(false);
}
private void createImportPluginInfo(Composite container) {
importPluginLabel = createLabel(container, pluginNoSelection, 1);
createLine(container, 1);
createLabel(container,
ImportResources.SelectPluginsToImport_label_author, 1);
ctrl_authorImport = createMultiLineText(container, "", 275, 40, 1); //$NON-NLS-1$
createLabel(container,
ImportResources.SelectPluginsToImport_label_version, 1);
ctrl_versionImport = createText(container, "", 275, 1); //$NON-NLS-1$
createLabel(container,
ImportResources.SelectPluginsToImport_label_desc, 1);
ctrl_briefDescImport = createMultiLineText(container, "", 275, 100, 1); //$NON-NLS-1$
}
private void createLibraryPluginInfo(Composite container) {
libraryPluginLabel = createLabel(container, pluginNoSelection, 1);
createLine(container, 1);
createLabel(container,
ImportResources.SelectPluginsToImport_label_author, 1);
ctrl_authorLibrary = createMultiLineText(container, "", 275, 40, 1); //$NON-NLS-1$
createLabel(container,
ImportResources.SelectPluginsToImport_label_version, 1);
ctrl_versionLibrary = createText(container, "", 275, 1); //$NON-NLS-1$
createLabel(container,
ImportResources.SelectPluginsToImport_label_desc, 1);
ctrl_briefDescLibrary = createMultiLineText(container, "", 275, 100, 1); //$NON-NLS-1$
}
private void addListeners() {
ctrl_chkboxTableViewer.addSelectionChangedListener(this);
ctrl_chkboxTableViewer.addCheckStateListener(this);
selectAllButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
ctrl_chkboxTableViewer.setAllChecked(true);
ImportPluginWizard wizard = (ImportPluginWizard) getWizard();
if (! wizard.data.getPlugins().isEmpty()) {
checkedPluginList.clear();
checkedPluginList.addAll(wizard.data.getPlugins());
checkedCount = checkedPluginList.size();
setAllSelected(wizard.data, true);
String message = service.validateSelection();
if (message != null && message.length() > 0) {
setErrorMessage(message);
} else {
setErrorMessage(null);
}
}
setPageComplete(isPageComplete());
getWizard().getContainer().updateButtons();
}
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
});
deselectAllButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
ctrl_chkboxTableViewer.setAllChecked(false);
checkedPluginList.clear();
checkedCount = 0;
ImportPluginWizard wizard = (ImportPluginWizard) getWizard();
setAllSelected(wizard.data, false);
setPageComplete(isPageComplete());
getWizard().getContainer().updateButtons();
}
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
});
}
private void setAllSelected(PluginImportData data, boolean selected) {
for (PluginImportData.PluginInfo info: data.getPlugins()) {
info.selected = selected;
}
}
/**
* @see org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged(org.eclipse.jface.viewers.CheckStateChangedEvent)
*/
public void checkStateChanged(CheckStateChangedEvent event) {
Object obj = event.getElement();
// Set the flag to import the selected plug-ins.
if (obj instanceof PluginImportData.PluginInfo) {
((PluginImportData.PluginInfo) obj).selected = event.getChecked();
}
String message = service.validateSelection();
if (message != null && message.length() > 0) {
super.setErrorMessage(message);
} else {
super.setErrorMessage(null);
}
if (event.getChecked()) {
checkedCount++;
checkedPluginList.add(obj);
} else {
checkedCount--;
checkedPluginList.remove(obj);
}
setPageComplete(isPageComplete());
getWizard().getContainer().updateButtons();
}
/**
* @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
*/
public void selectionChanged(SelectionChangedEvent event) {
StructuredSelection selection = (StructuredSelection) event
.getSelection();
if (!selection.isEmpty()) {
Object[] plugin = selection.toArray();
setDisplayAttributes((PluginInfo) plugin[0]);
} else {
clearDisplayAttributes();
}
}
/**
* @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
*/
public void handleEvent(Event event) {
setPageComplete(isPageComplete());
getWizard().getContainer().updateButtons();
}
private void setDisplayAttributes(PluginInfo plugin) {
ctrl_authorImport.setText(plugin.authors == null ? "" : plugin.authors); //$NON-NLS-1$
ctrl_versionImport
.setText(plugin.version == null ? "" : plugin.version); //$NON-NLS-1$
ctrl_briefDescImport
.setText(plugin.brief_desc == null ? "" : plugin.brief_desc); //$NON-NLS-1$
importPluginLabel.setText(pluginDataLabel);
if (plugin.existingPlugin != null) {
libraryPluginLabel.setText(libraryPluginExists);
ctrl_authorLibrary.setText(plugin.existingPlugin.getAuthors());
ctrl_versionLibrary.setText(plugin.existingPlugin.getVersion());
ctrl_briefDescLibrary.setText(plugin.existingPlugin
.getBriefDescription());
} else {
libraryPluginLabel.setText(libraryPluginNotExists);
ctrl_authorLibrary.setText(""); //$NON-NLS-1$
ctrl_versionLibrary.setText(""); //$NON-NLS-1$
ctrl_briefDescLibrary.setText(""); //$NON-NLS-1$
}
}
private void clearDisplayAttributes() {
importPluginLabel.setText(pluginNoSelection);
ctrl_authorImport.setText(""); //$NON-NLS-1$
ctrl_versionImport.setText(""); //$NON-NLS-1$
ctrl_briefDescImport.setText(""); //$NON-NLS-1$
libraryPluginLabel.setText(pluginNoSelection);
ctrl_authorLibrary.setText(""); //$NON-NLS-1$
ctrl_versionLibrary.setText(""); //$NON-NLS-1$
ctrl_briefDescLibrary.setText(""); //$NON-NLS-1$
}
/**
* @see org.eclipse.jface.wizard.WizardPage#isPageComplete()
*/
public boolean isPageComplete() {
if (getErrorMessage() != null)
return false;
return (checkedCount > 0);
}
/**
* @see org.eclipse.epf.ui.wizards.BaseWizardPage#onEnterPage(Object)
*/
public void onEnterPage(Object obj) {
List plugins = data.getPlugins();
if (plugins != null) {
ctrl_chkboxTableViewer.setInput(plugins.toArray());
if (!plugins.isEmpty()) {
StructuredSelection selection = new StructuredSelection(plugins
.get(0));
ctrl_chkboxTableViewer.setSelection(selection);
}
}
}
}