在我的程序中，当我选择一个radion按钮时，我需要在下一个文件的InputStream openContentStream（）函数中获取相应的值和文件名
SampleNewWizard.java
package amma.wizards;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.core.runtime.*;
import org.eclipse.jface.operation.*;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.CoreException;
import java.io.*;
import org.eclipse.ui.*;
import org.eclipse.ui.ide.IDE;
/**
* This is a sample new wizard. Its role is to create a new file
* resource in the provided container. If the container resource
* (a folder or a project) is selected in the workspace
* when the wizard is opened, it will accept it as the target
* container. The wizard creates one file with the extension
* "mpe". If a sample multi-page editor (also available
* as a template) is registered for the same extension, it will
* be able to open it.
*/
public class SampleNewWizard extends Wizard implements INewWizard {
private SampleNewWizardPage page;
private ISelection selection;
/**
* Constructor for SampleNewWizard.
*/
public SampleNewWizard() {
super();
setNeedsProgressMonitor(true);
}
/**
* Adding the page to the wizard.
*/
public void addPages() {
page = new SampleNewWizardPage(selection);
addPage(page);
}
/**
* This method is called when 'Finish' button is pressed in
* the wizard. We will create an operation and run it
* using wizard as execution context.
*/
public boolean performFinish() {
final String containerName = page.getContainerName();
final String fileName = page.getFileName();
// setFileExtension("xml");
IRunnableWithProgress op = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException {
try {
doFinish(containerName, fileName, monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
} finally {
monitor.done();
}
}
};
try {
getContainer().run(true, false, op);
} catch (InterruptedException e) {
return false;
} catch (InvocationTargetException e) {
Throwable realException = e.getTargetException();
MessageDialog.openError(getShell(), "Error", realException.getMessage());
return false;
}
return true;
}
/**
* The worker method. It will find the container, create the
* file if missing or just replace its contents, and open
* the editor on the newly created file.
*/
private void doFinish(
String containerName,
String fileName,
IProgressMonitor monitor)
throws CoreException {
// create a sample file
monitor.beginTask("Creating " + fileName, 2);
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IResource resource = root.findMember(new Path(containerName));
if (!resource.exists() || !(resource instanceof IContainer)) {
throwCoreException("Container \"" + containerName + "\" does not exist.");
}
IContainer container = (IContainer) resource;
final IFile file = container.getFile(new Path(fileName));
try {
InputStream stream = openContentStream();
if (file.exists()) {
file.setContents(stream, true, true, monitor);
} else {
file.create(stream, needsPreviousAndNextButtons(), monitor);
}
stream.close();
} catch (IOException e) {
}
monitor.worked(1);
monitor.setTaskName("Opening file for editing...");
getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
IWorkbenchPage page =
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
try {
IDE.openEditor(page, file, true);
} catch (PartInitException e) {
}
}
});
monitor.worked(1);
}
/**
* We will initialize file contents with a sample text.
* @param contents
*/
public static 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";
return new ByteArrayInputStream(contents.getBytes());
}
private void throwCoreException(String message) throws CoreException {
IStatus status =
new Status(IStatus.ERROR, "amma", IStatus.OK, message, null);
throw new CoreException(status);
}
/**
* We will accept the selection in the workbench to see if
* we can initialize from it.
* @see IWorkbenchWizard#init(IWorkbench, IStructuredSelection)
*/
public void init(IWorkbench workbench, IStructuredSelection selection) {
this.selection = selection;
}
}
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;
/**
* 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 (ej).
*/
@SuppressWarnings("restriction")
public class SampleNewWizardPage extends WizardPage {
private Text containerText;
private Text fileText;
private ISelection selection;
private SelectionButtonDialogFieldGroup fMethodStubsButtons;
IType type;
/**
* 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) {
StringBuffer buf= new StringBuffer();
final String lineDelim= "\n";
if(mrButton.getSelection() == true)
{
System.out.println("channel");
String contents = "hai";
//SampleNewWizard.openContentStream(contents);
buf.append("channel "+getFileName());
buf.append("()");
buf.append(lineDelim);
buf.append("{");
buf.append(lineDelim);
buf.append("}");
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) {
if(mrsButton.getSelection() == true)
{
System.out.println("type");
}
}
});
initialize();
dialogChanged();
setControl(container);
}
/* private void createMethodStubSelectionControls(Composite container,int nColumns) {
Control labelControl= fMethodStubsButtons.getLabelControl(container);
LayoutUtil.setHorizontalSpan(labelControl, nColumns);
DialogField.createEmptySpace(container);
Control buttonGroup= fMethodStubsButtons.getSelectionButtonsGroup(container);
LayoutUtil.setHorizontalSpan(buttonGroup, nColumns - 1);
}*/
/* public boolean istype() {
return fMethodStubsButtons.isSelected(0);
}
/**
* Returns the current selection state of the 'Create Constructors' checkbox.
*
* @return the selection state of the 'Create Constructors' checkbox
*/
/*public boolean ischanel() {
return fMethodStubsButtons.isSelected(1);
}*/
/**
* Returns the current selection state of the 'Create inherited abstract methods'
* checkbox.
*
* @return the selection state of the 'Create inherited abstract methods' checkbox
*/
/*public boolean isCreateInherited() {
return fMethodStubsButtons.isSelected(2);
}*/
/*public void setMethodStubSelection(boolean type, boolean chanel, boolean createInherited, boolean canBeModified) {
fMethodStubsButtons.setSelection(0, type);
fMethodStubsButtons.setSelection(1, chanel);
fMethodStubsButtons.setSelection(2, createInherited);
fMethodStubsButtons.setEnabled(canBeModified);
}*/
/**
* 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();
}
/*protected void createTypeMembers(IType type, ImportsManager imports, IProgressMonitor monitor) throws CoreException {
boolean doMain= istype();
boolean doConstr= ischanel();
boolean doInherited= isCreateInherited();
//createInheritedMethods(type, doConstr, doInherited, imports, new SubProgressMonitor(monitor, 1));
if (doMain) {
StringBuffer buf= new StringBuffer();
final String lineDelim= "\n"; // OK, since content is formatted afterwards //$NON-NLS-1$
// if (isAddComments()) {
String comment= CodeGeneration.getMethodComment(type.getCompilationUnit(), type.getTypeQualifiedName('.'), "main", new String[] { "args" }, new String[0], Signature.createTypeSignature("void", true), null, lineDelim); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
if (comment != null) {
buf.append(comment);
buf.append(lineDelim);
}
//}
buf.append("public static void main("); //$NON-NLS-1$
//buf.append(imports.addImport("java.lang.String")); //$NON-NLS-1$
buf.append("[] args) {"); //$NON-NLS-1$
buf.append(lineDelim);
final String content= CodeGeneration.getMethodBodyContent(type.getCompilationUnit(), type.getTypeQualifiedName('.'), "main", false, "", lineDelim); //$NON-NLS-1$ //$NON-NLS-2$
if (content != null && content.length() != 0)
buf.append(content);
buf.append(lineDelim);
buf.append("}"); //$NON-NLS-1$
type.createMethod(buf.toString(), null, false, null);
}
//IDialogSettings dialogSettings= getDialogSettings();
//if (dialogSettings != null) {
// IDialogSettings section= dialogSettings.getSection(PAGE_NAME);
// if (section == null) {
// section= dialogSettings.addNewSection(PAGE_NAME);
// }
//section.put(SETTINGS_CREATECONSTR, ischanel());
//section.put(SETTINGS_CREATEUNIMPLEMENTED, isCreateInherited());
}
//if (monitor != null) {
//monitor.done();
// }*/
}
//}
答案 0 :(得分：0)
使用setter和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();
}
}