use setter and getter
SampleNewWizard.java
.............
public InputStream openContentStream() {
String contents =
"This is the initial file contents for *.ej file that should be word-sorted in the Preview page of the multi-page editor";
if(page.getContent()!=null) {
return new ByteArrayInputStream(page.getContent().getBytes());
}
return new ByteArrayInputStream(contents.getBytes());
}
............
SampleNewWizardPage.java
package amma.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.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogFieldGroup;
import org.eclipse.jface.dialogs.IDialogSettings;
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.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ContainerSelectionDialog;
@SuppressWarnings("restriction")
public class SampleNewWizardPage extends WizardPage {
private Text containerText;
private Text fileText;
private ISelection selection;
private SelectionButtonDialogFieldGroup fMethodStubsButtons;
IType type;
StringBuffer buf= new StringBuffer();
private String content;
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
/**
* Constructor for SampleNewWizardPage.
*
* @param pageName
*/
public SampleNewWizardPage(ISelection selection) {
super("wizardPage");
setTitle("Multi-page Editor File");
setDescription("This wizard creates a new file with *.ej extension that can be opened by a multi-page editor.");
this.selection = selection;
String[] buttonNames3= new String[] {"type","channel","inherited" };
fMethodStubsButtons= new SelectionButtonDialogFieldGroup(SWT.CHECK, buttonNames3, 1);
fMethodStubsButtons.setLabelText(NewWizardMessages.NewClassWizardPage_methods_label);
}
/**
* @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();
}
});
Label separator = new Label (container, SWT.SEPARATOR | SWT.HORIZONTAL);
label = new Label(container, SWT.NULL);
label.setText("&Select:");
final Button mrButton = new Button(container, SWT.RADIO);
mrButton.setText("Channel");
final Button mrsButton = new Button(container, SWT.RADIO);
mrsButton.setText("Type");
mrButton.addListener (SWT.Selection, new Listener () {
public void handleEvent (Event event) {
final String lineDelim= "\n";
if(mrButton.getSelection() == true)
{
System.out.println("channel");
//String contents = "hai";
//SampleNewWizard.openContentStream(contents);
int dotLoc = getFileName().lastIndexOf('.');
String Name = getFileName().substring(0,dotLoc);
buf.append("channel "+Name);
buf.append("()");
buf.append(lineDelim);
buf.append("{");
buf.append(lineDelim);
buf.append("}");
buf.toString();
setContent(buf.toString());
// try {
//type.createMethod(buf.toString(), null, false, null);
//} catch (JavaModelException e) {
// TODO Auto-generated catch block
//e.printStackTrace();
//}
}
IDialogSettings dialogSettings= getDialogSettings();
if (dialogSettings != null) {
IDialogSettings section= dialogSettings.getSection(getFileName());
if (section == null) {
section= dialogSettings.addNewSection(getFileName());
}
}
}
});
mrsButton.addListener (SWT.Selection, new Listener () {
public void handleEvent (Event event) {
final String lineDelim= "\n";
if(mrsButton.getSelection() == true)
{
System.out.println("type");
int dotLoc = getFileName().lastIndexOf('.');
String Name = getFileName().substring(0,dotLoc);
buf.append("Type "+Name);
buf.append("()");
buf.append(lineDelim);
buf.append("{");
buf.append(lineDelim);
buf.append("}");
buf.toString();
setContent(buf.toString());
}
}
});
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("");
}
/**
* 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("ej") == false) {
updateStatus("File extension must be \"ej\"");
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();
}
}