package no.hal.jex.jextest.ui.wizards;
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.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IParent;
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.Combo;
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 (xactor).
*/
public class NewJextestFileWizardPage extends WizardPage {
public static final String JEXTEST_EXTENSION = ".jextest";
private Text containerText;
private Text fileText;
private ISelection selection;
/**
* Constructor for SampleNewWizardPage.
*
* @param pageName
*/
public NewJextestFileWizardPage(ISelection selection) {
super("wizardPage");
setTitle("Jextest File");
setDescription("This wizard creates a new file with *" + JEXTEST_EXTENSION + " extension.");
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();
}
});
// padding in third column
new Label(container, SWT.NULL);
initialize();
dialogChanged();
setControl(container);
}
/**
* Tests if the current workbench selection is a suitable container to use.
*/
public static IPath getElementPath(Object obj) {
if (obj instanceof Resource) {
obj = ((Resource) obj).getURI();
}
if (obj instanceof URI) {
URI uri = (URI) obj;
if (uri.isPlatformResource()) {
}
}
if (obj instanceof IJavaElement) {
IJavaElement javaElement = (IJavaElement) obj;
if (! (javaElement instanceof IParent)) {
javaElement = javaElement.getParent();
}
obj = javaElement.getPath();
} else if (obj instanceof IResource) {
IContainer container = (obj instanceof IContainer ? (IContainer) obj : ((IResource) obj).getParent());
if (container != null) {
obj = container.getFullPath();
}
}
if (obj instanceof IPath) {
return (IPath) obj;
}
return null;
}
private void initialize() {
String fileText = "ClassUnderTest";
if (selection != null && (! selection.isEmpty()) && selection instanceof IStructuredSelection) {
IPath path = getElementPath(((IStructuredSelection) selection).getFirstElement());
if (path != null) {
String ext = path.getFileExtension();
if (ext != null) {
path = path.removeFileExtension();
fileText = path.lastSegment();
path = path.removeLastSegments(1);
}
containerText.setText(path.toString());
}
}
if (! fileText.endsWith(JEXTEST_EXTENSION)) {
fileText = fileText + JEXTEST_EXTENSION;
}
this.fileText.setText(fileText);
}
/**
* 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 pos = fileName.lastIndexOf('.');
if (pos >= 0 && (! fileName.substring(pos).equals(JEXTEST_EXTENSION))) {
updateStatus("File extension must end with \"" + JEXTEST_EXTENSION + "\"");
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();
}
}