/*******************************************************************************
* Copyright (c) 2012, 2016 Red Hat Inc. 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:
* Red Hat Inc. - Initial Wizard and related API
*******************************************************************************/
package org.eclipse.linuxtools.internal.systemtap.ui.ide.wizards;
import java.util.ResourceBundle;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.WizardPage;
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.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 StapNewWizardPage extends WizardPage {
private Text fileText;
private Text containerText;
private ISelection selection;
private static final ResourceBundle resourceBundle = ResourceBundle.getBundle("org.eclipse.linuxtools.internal.systemtap.ui.ide.wizards.stap_strings"); //$NON-NLS-1$
/**
* Constructor for StapNewWizardPage.
*
* @param pageName
*/
public StapNewWizardPage(ISelection selection) {
super(resourceBundle.getString("StapNewWizardPage.WizardPage")); //$NON-NLS-1$
setTitle(resourceBundle.getString("StapNewWizardPage.Title")); //$NON-NLS-1$
setDescription(resourceBundle.getString("StapNewWizardPage.setDescription")); //$NON-NLS-1$
this.selection = selection;
}
@Override
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(resourceBundle.getString("StapNewWizardPage.ScriptName")); //$NON-NLS-1$
fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
fileText.setLayoutData(gd);
fileText.addModifyListener(e -> dialogChanged());
new Label(container, SWT.NULL); // XXX just create a new layout with different width
label = new Label(container, SWT.NULL);
label.setText(resourceBundle.getString("StapNewWizardPage.Project")); //$NON-NLS-1$
containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
gd = new GridData(GridData.FILL_HORIZONTAL);
containerText.setLayoutData(gd);
containerText.addModifyListener(e -> dialogChanged());
Button button = new Button(container, SWT.PUSH);
button.setText(resourceBundle.getString("StapNewWizardPage.Browse")); //$NON-NLS-1$
button.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
handleBrowse();
}
});
initialize();
dialogChanged();
setControl(container);
}
/**
* Tests if the current workbench selection is a suitable container to use.
*/
private void initialize() {
if (selection != null && !selection.isEmpty() && 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(".stp"); //$NON-NLS-1$
}
/**
* 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, resourceBundle.getString("StapNewWizardPage.SelectProjectMessage")); //$NON-NLS-1$
if (dialog.open() == Window.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() {
IPath container = Path.fromOSString(getContainerName());
String fileName = getFileName();
if (fileName.length() == 0 || fileName.equals(".stp")) { //$NON-NLS-1$
updateStatus(resourceBundle.getString("StapNewWizardPage.UpdateStatus1")); //$NON-NLS-1$
return;
}
if (getContainerName().length() == 0) {
updateStatus(resourceBundle.getString("StapNewWizardPage.UpdateStatus2")); //$NON-NLS-1$
return;
}
if (container == null
|| !container.isValidPath(getContainerName())) {
updateStatus(resourceBundle.getString("StapNewWizardPage.UpdateStatus3")); //$NON-NLS-1$
return;
}
if (fileName.replace('\\', '/').indexOf('/', 1) > 0) {
updateStatus(resourceBundle.getString("StapNewWizardPage.UpdateStatus4")); //$NON-NLS-1$
return;
}
int dotLoc = fileName.lastIndexOf('.');
if (dotLoc != -1) {
String ext = fileName.substring(dotLoc + 1);
if (!ext.equalsIgnoreCase("stp")) { //$NON-NLS-1$
updateStatus(resourceBundle.getString("StapNewWizardPage.UpdateStatus.5")); //$NON-NLS-1$
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();
}
}