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/*****************************************************************************
* Copyright (c) 2009 CEA LIST & LIFL
*
*
* 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:
* Cedric Dumoulin Cedric.dumoulin@lifl.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.example.core.sashwindows.simpleeditor.wizards;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ContainerSelectionDialog;
/**
* The "New" wizard page allows setting the container for the new file as well
* as the file name. The page will only accept file name without the extension
* OR with the extension that matches the expected one (mpe).
*/
public class MultiPageEditorNewWizardPage extends WizardPage {
private Text containerText;
private Text fileText;
private ISelection selection;
/**
* Constructor for SampleNewWizardPage.
*
* @param pageName
*/
public MultiPageEditorNewWizardPage(ISelection selection) {
super("wizardPage");
setTitle("Multi-page Editor File");
setDescription("This wizard creates a new file with *.mpe extension that can be opened by a multi-page editor.");
this.selection = selection;
}
/**
* @see IDialogPage#createControl(Composite)
*/
public void createControl(Composite parent) {
Composite container = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
container.setLayout(layout);
layout.numColumns = 3;
layout.verticalSpacing = 9;
Label label = new Label(container, SWT.NULL);
label.setText("&Container:");
containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
containerText.setLayoutData(gd);
containerText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
dialogChanged();
}
});
Button button = new Button(container, SWT.PUSH);
button.setText("Browse...");
button.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleBrowse();
}
});
label = new Label(container, SWT.NULL);
label.setText("&File name:");
fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
gd = new GridData(GridData.FILL_HORIZONTAL);
fileText.setLayoutData(gd);
fileText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
dialogChanged();
}
});
initialize();
dialogChanged();
setControl(container);
}
/**
* Tests if the current workbench selection is a suitable container to use.
*/
private void initialize() {
if(selection != null && selection.isEmpty() == false
&& selection instanceof IStructuredSelection) {
IStructuredSelection ssel = (IStructuredSelection)selection;
if(ssel.size() > 1)
return;
Object obj = ssel.getFirstElement();
if(obj instanceof IResource) {
IContainer container;
if(obj instanceof IContainer)
container = (IContainer)obj;
else
container = ((IResource)obj).getParent();
containerText.setText(container.getFullPath().toString());
}
}
fileText.setText("new_file.simpleEditor");
}
/**
* Uses the standard container selection dialog to choose the new value for
* the container field.
*/
private void handleBrowse() {
ContainerSelectionDialog dialog = new ContainerSelectionDialog(
getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
"Select new file container");
if(dialog.open() == ContainerSelectionDialog.OK) {
Object[] result = dialog.getResult();
if(result.length == 1) {
containerText.setText(((Path)result[0]).toString());
}
}
}
/**
* Ensures that both text fields are set.
*/
private void dialogChanged() {
IResource container = ResourcesPlugin.getWorkspace().getRoot()
.findMember(new Path(getContainerName()));
String fileName = getFileName();
if(getContainerName().length() == 0) {
updateStatus("File container must be specified");
return;
}
if(container == null
|| (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
updateStatus("File container must exist");
return;
}
if(!container.isAccessible()) {
updateStatus("Project must be writable");
return;
}
if(fileName.length() == 0) {
updateStatus("File name must be specified");
return;
}
if(fileName.replace('\\', '/').indexOf('/', 1) > 0) {
updateStatus("File name must be valid");
return;
}
int dotLoc = fileName.lastIndexOf('.');
if(dotLoc != -1) {
String ext = fileName.substring(dotLoc + 1);
if(ext.equalsIgnoreCase("simpleEditor") == false) {
updateStatus("File extension must be \"simpleEditor\"");
return;
}
}
updateStatus(null);
}
private void updateStatus(String message) {
setErrorMessage(message);
setPageComplete(message == null);
}
public String getContainerName() {
return containerText.getText();
}
public String getFileName() {
return fileText.getText();
}
}
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