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Re: [jdt-ui-dev] subclassed from NewTypeWizardPage
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Technical questions and discussions about using eclipse and eclipse-based
tools, and developing plug-in tools should be posted to the newsgroups.
Mailing lists at eclipse.org are intended for use by developers actually
working on or otherwise contributing to day-to-day development. The
development mailing lists are the way design and implementation issues are
discussed and decisions voted on by the committers.
To answer your question: you use types from the JDT UI plug-in but forgot
to declare it as required in your plugin.xml
Dani
"wupei"
<wupeidx@xxxxxxx>
Sent by: To
jdt-ui-dev-admin@ <jdt-ui-dev@xxxxxxxxxxx>
eclipse.org cc
Subject
18.10.2004 05:07 [jdt-ui-dev] subclassed from
NewTypeWizardPage
Please respond to
jdt-ui-dev@eclips
e.org
Hi folks,
Has anyone seen this error while trying to run their own wizard
(subclassed from NewTypeWizardPage)?
Unhandled exception caught in event loop.
Reason:
org/eclipse/jdt/ui/wizards/NewTypeWizardPage
Any suggestions appreciated.
My source: SampleNewWizard.java
package gffsd.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.*;
/**
* 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 SimpleNewWizardPage2 page;
private ISelection selection;
/**
* Constructor for SampleNewWizard.
*/
public SampleNewWizard() {
super();
setNeedsProgressMonitor(true);
}
/**
* Adding the page to the wizard.
*/
public void addPages() {
page = new SimpleNewWizardPage2(true,"haha");
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() {
return true;
}
/**
* 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;
}
}
package gffsd.wizards;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.ui.wizards.NewTypeWizardPage;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.help.WorkbenchHelp;
SimpleNewWizardPage2.java
public class SimpleNewWizardPage2 extends NewTypeWizardPage {
/**
* @param arg0
* @param arg1
*/
public SimpleNewWizardPage2(boolean arg0, String arg1) {
super(arg0, arg1);
setTitle("NewClassWizardPage.title");
setDescription("NewClassWizardPage.description");
}
/*
* @see
org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
initializeDialogUnits(parent);
Composite composite= new Composite(parent, SWT.NONE);
int nColumns= 4;
GridLayout layout= new GridLayout();
layout.numColumns= nColumns;
composite.setLayout(layout);
// pick & choose the wanted UI components
createPackageControls(composite, nColumns);
setControl(composite);
Dialog.applyDialogFont(composite);
WorkbenchHelp.setHelp(composite,
IJavaHelpContextIds.NEW_CLASS_WIZARD_PAGE);
}
/*
* @see WizardPage#becomesVisible
*/
public void setVisible(boolean visible) {
super.setVisible(visible);
if (visible) {
setFocus();
}
}
/**
* The wizard owning this page is responsible for calling this
method with the
* current selection. The selection is used to initialize the
fields of the wizard
* page.
*
* @param selection used to initialize the fields
*/
public void init(IStructuredSelection selection) {
IJavaElement jelem= getInitialJavaElement(selection);
initContainerPage(jelem);
initTypePage(jelem);
}
protected void handleFieldChanged(String fieldName) {
super.handleFieldChanged(fieldName);
}
}
<?xml version="1.0" encoding="UTF-8"?>
<plugin
id="gffsd"
name="gffsd plugIn"
version="1.0.0"
provider-name="d"
class="gffsd.gffsdPlugin">
<runtime>
<library name="gffsd.jar"/>
</runtime>
<requires>
<import plugin="org.eclipse.core.resources"/>
<import plugin="org.eclipse.ui"/>
</requires>
<extension
point="org.eclipse.ui.newWizards">
<category
name="Sample Wizards"
id="gffsd">
</category>
<wizard
name="a file"
icon="icons/sample.gif"
category="gffsd"
class="gffsd.wizards.SampleNewWizard"
id="gffsd.wizards.SampleNewWizard">
</wizard>
</extension>
</plugin>
