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/*****************************************************************************
* Copyright (c) 2017 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Pauline DEVILLE (CEA LIST) pauline.deville@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.toolsmiths.profilemigration.ui.preferences;
import java.util.ArrayList;
import java.util.List;
import java.util.Map.Entry;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.papyrus.infra.widgets.providers.CollectionContentProvider;
import org.eclipse.papyrus.toolsmiths.profilemigration.ui.Activator;
import org.eclipse.papyrus.toolsmiths.profilemigration.ui.Messages;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.plugin.AbstractUIPlugin;
/**
* Define the preference page for configuring the Profile migration tool
*
* ----------------------
* list of check button to activate or not pop-up
* ----------------------
* list of cached file with a remove button
*
*/
public class ProfileMigrationPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
/** ID of delete button. */
private static final int DELETE_BUTTON_ID = 1;
/** Icon for delete action button. */
private static final Image DELETE_ICON = AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.papyrus.infra.widgets", "icons/Delete_12x12.gif").createImage(); //$NON-NLS-1$ //$NON-NLS-2$
/** The list of files in cache */
private static List<String> cachedFiles = new ArrayList<>();
/** The list of booleanFieldEditor one for each dialog type */
private List<BooleanFieldEditor> booleanFieldEditor;
/** The treeViewer to display cached files */
private TreeViewer cachedFilesTreeViewer;
/** The main container */
private Composite mainContainer;
/**
* Constructor.
*
*/
public ProfileMigrationPreferencePage() {
booleanFieldEditor = new ArrayList<>();
}
@Override
public void init(IWorkbench workbench) {
setPreferenceStore(Activator.getDefault().getPreferenceStore());
}
@Override
protected Control createContents(Composite parent) {
mainContainer = parent;
createFieldEditors();
Group group = new Group(mainContainer, SWT.SCROLL_PAGE);
group.setLayout(new GridLayout());
group.setText(Messages.ProfileMigrationPreferencePage_FileInCached);
createTreeActionButtons(group);
createCachedFilesPart(group);
refreshTreeviewer();
initialize();
checkState();
return mainContainer;
}
@Override
protected void createFieldEditors() {
Group group = new Group(mainContainer, SWT.SCROLL_PAGE);
group.setLayout(new GridLayout());
group.setText(Messages.ProfileMigrationPreferencePage_ShowDialogs);
for (Entry<String, String> entry : ProfileMigrationPreferenceConstants.mapPrefConstToLabel.entrySet()) {
BooleanFieldEditor editor = new BooleanFieldEditor(entry.getKey(), entry.getValue(), group);
booleanFieldEditor.add(editor);
addField(editor);
editor.setPreferenceStore(Activator.getDefault().getPreferenceStore());
}
}
/**
* Create actions associate to tree viewer.
*
* @param parent
* Composite where action buttons will be added
*/
private void createTreeActionButtons(Composite parent) {
Composite buttonsPanel = new Composite(parent, SWT.NONE);
buttonsPanel.setLayout(new GridLayout());
buttonsPanel.setLayoutData(new GridData(SWT.RIGHT, SWT.FILL, true, false, 1, 1));
createButton(buttonsPanel, DELETE_BUTTON_ID, DELETE_ICON, null);
}
/**
* Create cached file list
*
* @param parent
* Composite where the treeViewer will be added
*/
private void createCachedFilesPart(Composite parent) {
// Create viewer
cachedFilesTreeViewer = new TreeViewer(parent, SWT.BORDER);
// Set standard collection content provider
cachedFilesTreeViewer.setContentProvider(CollectionContentProvider.instance);
cachedFilesTreeViewer.setLabelProvider(new LabelProvider());
// Set layout
Tree tree = cachedFilesTreeViewer.getTree();
tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
}
/**
* Method to create a button with an icon and no label.
*
* @param parent
* the composite parent
* @param id
* the id of the new button
* @param icon
* an icon associate to the button (could be null)
* @param label
* a label associate to the button (could be null)
* @return the newly created button
*/
protected Button createButton(Composite parent, int id, Image icon, String label) {
((GridLayout) parent.getLayout()).numColumns++;
Button button = new Button(parent, SWT.PUSH);
button.setFont(JFaceResources.getDialogFont());
button.setData(new Integer(id));
button.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
buttonPressed();
}
});
if (label != null) {
button.setText(label);
}
if (icon != null) {
button.setImage(icon);
}
setButtonLayoutData(button);
return button;
}
/**
* @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
*
* @param buttonId
*/
protected void buttonPressed() {
deleteAction();
}
/**
* Delete current selection of tree viewer.
*/
private void deleteAction() {
ISelection selection = cachedFilesTreeViewer.getSelection();
if (selection instanceof IStructuredSelection) {
Object selectedElement = ((IStructuredSelection) selection).getFirstElement();
if (selectedElement instanceof String) {
cachedFiles.remove(selectedElement);
}
refreshTreeviewer();
}
}
/**
* Refresh content of tree viewer according to selected theme/
*
* @param currentTheme
* Current theme
*/
private void refreshTreeviewer() {
// Set mirroring list as viewer input
cachedFilesTreeViewer.getTree().setEnabled(true);
cachedFilesTreeViewer.setInput(cachedFiles);
}
/**
* Add file to the cache
*
* @param fileName
*/
public static void addFile(String fileName) {
cachedFiles.add(fileName);
}
/**
* Get the cache file list
*
* @return the cache file list
*/
public static List<String> getCachedFiles() {
return cachedFiles;
}
}
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