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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Thibault Le Ouay t.leouay@sherpa-eng.com - Add binding implementation
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Bug 515808
*****************************************************************************/
package org.eclipse.papyrus.infra.widgets.editors;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.services.labelprovider.service.LabelProviderService;
import org.eclipse.papyrus.infra.services.labelprovider.service.impl.LabelProviderServiceImpl;
import org.eclipse.papyrus.infra.widgets.Activator;
import org.eclipse.papyrus.infra.widgets.messages.Messages;
import org.eclipse.papyrus.infra.widgets.providers.WorkspaceContentProvider;
import org.eclipse.papyrus.infra.widgets.selectors.NullSelector;
import org.eclipse.papyrus.infra.widgets.selectors.ReferenceSelector;
import org.eclipse.papyrus.infra.widgets.util.FileUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
/**
* A Widget for editing multi-valued Strings with File paths
* The file paths may be absolute (FileSystem paths) or relative to the workspace (Workspace paths)
*
* @author Camille Letavernier
*/
public class MultipleStringFileEditor extends MultipleValueEditor<IElementSelector> {
protected boolean allowBrowseWorkspace = true;
protected boolean allowBrowseFileSystem = true;
protected Button browseFileSystem;
protected Button browseWorkspace;
protected final List<String> filterNames;
protected final List<String> filterExtensions;
public static final String browseWorkspaceIcon = "icons/browse-workspace_12x12.png"; //$NON-NLS-1$
public static final String browseFileSystemIcon = "icons/browse-filesystem_12x12.png"; //$NON-NLS-1$
public MultipleStringFileEditor(Composite parent, int style) {
super(parent, style, NullSelector.instance);
setDirectCreation(true);
filterNames = new LinkedList<String>();
filterExtensions = new LinkedList<String>();
}
@Override
protected void createListControls() {
super.createListControls();
add.dispose();
edit.dispose();
browseFileSystem = createButton(Activator.getDefault().getImageFromPlugin(browseFileSystemIcon), Messages.MultipleStringFileEditor_0);
browseWorkspace = createButton(Activator.getDefault().getImageFromPlugin(browseWorkspaceIcon), Messages.MultipleStringFileEditor_1);
browseWorkspace.moveAbove(remove);
browseFileSystem.moveAbove(remove);
}
@Override
public void setDirectCreation(boolean directCreation) {
super.setDirectCreation(true); // Always true
}
@Override
protected void updateControls() {
remove.setEnabled(!readOnly);
up.setEnabled(ordered && !readOnly);
down.setEnabled(ordered && !readOnly);
browseWorkspace.setEnabled(allowBrowseWorkspace && !readOnly);
browseFileSystem.setEnabled(allowBrowseFileSystem && !readOnly);
}
public void allowBrowseWorkspace(boolean allowBrowseWorkspace) {
this.allowBrowseWorkspace = allowBrowseWorkspace;
}
public void allowBrowseFileSystem(boolean allowBrowseFileSystem) {
this.allowBrowseFileSystem = allowBrowseFileSystem;
}
/**
* Handle events occuring on controls
*
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*
* @param e
*/
@Override
public void widgetSelected(SelectionEvent e) {
if (e.widget.isDisposed()) {
return;
}
super.widgetSelected(e);
if (e.widget == browseFileSystem) {
browseFileSystem();
} else if (e.widget == browseWorkspace) {
browseWorkspace();
}
}
protected void browseFileSystem() {
// File file = FileUtil.getFile(text.getText());
FileDialog dialog = new FileDialog(getShell(), SWT.MULTI | SWT.OPEN);
dialog.setFilterExtensions(filterExtensions.toArray(new String[filterExtensions.size()]));
dialog.setFilterNames(filterNames.toArray(new String[filterNames.size()]));
if (dialog.open() != null) {
List<String> filePathList = new ArrayList<String>(modelProperty.size() + dialog.getFileNames().length);
filePathList.addAll(modelProperty);
for (String fileName : dialog.getFileNames()) {
filePathList.add(dialog.getFilterPath() + File.separator + fileName);
}
modelProperty.clear();
modelProperty.addAll(filePathList);
commit();
}
}
protected void browseWorkspace() {
LabelProviderService labelProviderService = new LabelProviderServiceImpl();
try {
labelProviderService.startService();
} catch (ServiceException ex) {
Activator.log.error(ex);
}
ILabelProvider labelProvider = labelProviderService.getLabelProvider();
ReferenceSelector selector = new ReferenceSelector();
selector.setLabelProvider(labelProvider);
// Prepare the WorkspaceContentProvider and use the right filters
WorkspaceContentProvider contentProvider = new WorkspaceContentProvider();
contentProvider.setExtensionFilters(new LinkedHashMap<String, String>()); // Reset the default filters
for (int i = 0; i < Math.min(filterNames.size(), filterExtensions.size()); i++) {
contentProvider.addExtensionFilter(filterExtensions.get(i), filterNames.get(i));
}
selector.setContentProvider(contentProvider);
MultipleValueSelectorDialog dialog = new MultipleValueSelectorDialog(getShell(), selector);
if (labelText != null) {
dialog.setTitle(labelText);
}
dialog.setLabelProvider(labelProvider);
dialog.setOrdered(true);
dialog.setUnique(true);
selector.setUnique(true);
int code = dialog.open();
if (code == Window.OK) {
Object[] result = dialog.getResult();
if (result.length > 0) {
List<String> filePathResult = new ArrayList<String>(result.length + modelProperty.size());
filePathResult.addAll(modelProperty);
for (Object file : result) {
if (file instanceof IFile) {
filePathResult.add(FileUtil.getPath((IFile) file, false));
}
}
modelProperty.clear();
modelProperty.addAll(filePathResult);
commit();
}
}
}
public void setFilters(String[] filterExtensions, String[] filterNames) {
if (filterExtensions.length != filterNames.length) {
// This is a simple warning. Only valid filters will be retained.
Activator.log.warn(Messages.MultipleStringFileEditor_2);
}
setFilterNames(getFilterLabels(filterNames, filterExtensions));
setFilterExtensions(filterExtensions);
}
protected String[] getFilterLabels(String[] filterNames, String[] filterExtensions) {
int size = Math.min(filterNames.length, filterExtensions.length);
String[] filters = new String[size];
for (int i = 0; i < size; i++) {
filters[i] = filterNames[i] + " (" + filterExtensions[i] + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
return filters;
}
public void setFilterExtensions(String[] filterExtensions) {
this.filterExtensions.clear();
this.filterExtensions.addAll(Arrays.asList(filterExtensions));
}
public void setFilterNames(String[] filterNames) {
this.filterNames.clear();
this.filterNames.addAll(Arrays.asList(filterNames));
}
/**
* @see org.eclipse.papyrus.infra.widgets.editors.MultipleValueEditor#dispose()
*
*/
@Override
public void dispose() {
if (null != this.browseFileSystem) {
this.browseFileSystem.removeSelectionListener(this);
}
if (null != this.browseWorkspace) {
this.browseWorkspace.removeSelectionListener(this);
}
super.dispose();
}
}
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