/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.rubypeople.rdt.ui.wizards;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
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.swt.widgets.Control;
import org.eclipse.ui.PlatformUI;
import org.rubypeople.rdt.core.IRubyElement;
import org.rubypeople.rdt.core.IType;
import org.rubypeople.rdt.internal.ui.IRubyHelpContextIds;
import org.rubypeople.rdt.internal.ui.wizards.NewWizardMessages;
import org.rubypeople.rdt.internal.ui.wizards.dialogfields.DialogField;
import org.rubypeople.rdt.internal.ui.wizards.dialogfields.LayoutUtil;
import org.rubypeople.rdt.internal.ui.wizards.dialogfields.SelectionButtonDialogFieldGroup;
/**
* Wizard page to create a new class.
* <p>
* Note: This class is not intended to be subclassed, but clients can instantiate.
* To implement a different kind of a new class wizard page, extend <code>NewTypeWizardPage</code>.
* </p>
*
* @since 0.9.0
*/
public class NewClassWizardPage extends NewTypeWizardPage {
private final static String PAGE_NAME= "NewClassWizardPage"; //$NON-NLS-1$
private final static String SETTINGS_CREATECONSTR= "create_constructor"; //$NON-NLS-1$
private SelectionButtonDialogFieldGroup fMethodStubsButtons;
/**
* Creates a new <code>NewClassWizardPage</code>
*/
public NewClassWizardPage() {
super(true, PAGE_NAME);
setTitle(NewWizardMessages.NewClassWizardPage_title);
setDescription(NewWizardMessages.NewClassWizardPage_description);
String[] buttonNames3= new String[] {
NewWizardMessages.NewClassWizardPage_methods_constructors
};
fMethodStubsButtons= new SelectionButtonDialogFieldGroup(SWT.CHECK, buttonNames3, 1);
fMethodStubsButtons.setLabelText(NewWizardMessages.NewClassWizardPage_methods_label);
}
// -------- Initialization ---------
/**
* 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) {
IRubyElement jelem= getInitialRubyElement(selection);
initContainerPage(jelem);
initTypePage(jelem);
doStatusUpdate();
boolean createConstructors= false;
boolean createUnimplemented= true;
IDialogSettings dialogSettings= getDialogSettings();
if (dialogSettings != null) {
IDialogSettings section= dialogSettings.getSection(PAGE_NAME);
if (section != null) {
createConstructors= section.getBoolean(SETTINGS_CREATECONSTR);
}
}
setMethodStubSelection(createConstructors, true);
}
// ------ UI --------
/*
* @see WizardPage#createControl
*/
public void createControl(Composite parent) {
initializeDialogUnits(parent);
Composite composite= new Composite(parent, SWT.NONE);
composite.setFont(parent.getFont());
int nColumns= 4;
GridLayout layout= new GridLayout();
layout.numColumns= nColumns;
composite.setLayout(layout);
// pick & choose the wanted UI components
createContainerControls(composite, nColumns);
// createPackageControls(composite, nColumns);
// createEnclosingTypeControls(composite, nColumns);
createSeparator(composite, nColumns);
createTypeNameControls(composite, nColumns);
// createModifierControls(composite, nColumns);
createSuperClassControls(composite, nColumns);
// createSuperInterfacesControls(composite, nColumns);
createMethodStubSelectionControls(composite, nColumns);
// createCommentControls(composite, nColumns);
// enableCommentControl(true);
setControl(composite);
Dialog.applyDialogFont(composite);
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IRubyHelpContextIds.NEW_CLASS_WIZARD_PAGE);
}
/*
* @see WizardPage#becomesVisible
*/
public void setVisible(boolean visible) {
super.setVisible(visible);
if (visible) {
setFocus();
} else {
IDialogSettings dialogSettings= getDialogSettings();
if (dialogSettings != null) {
IDialogSettings section= dialogSettings.getSection(PAGE_NAME);
if (section == null) {
section= dialogSettings.addNewSection(PAGE_NAME);
}
section.put(SETTINGS_CREATECONSTR, isCreateConstructors());
}
}
}
private void createMethodStubSelectionControls(Composite composite, int nColumns) {
Control labelControl= fMethodStubsButtons.getLabelControl(composite);
LayoutUtil.setHorizontalSpan(labelControl, nColumns);
DialogField.createEmptySpace(composite);
Control buttonGroup= fMethodStubsButtons.getSelectionButtonsGroup(composite);
LayoutUtil.setHorizontalSpan(buttonGroup, nColumns - 1);
}
/**
* Returns the current selection state of the 'Create Constructors' checkbox.
*
* @return the selection state of the 'Create Constructors' checkbox
*/
public boolean isCreateConstructors() {
return fMethodStubsButtons.isSelected(0);
}
/**
* Sets the selection state of the method stub checkboxes.
*
* @param createMain initial selection state of the 'Create Main' checkbox.
* @param createConstructors initial selection state of the 'Create Constructors' checkbox.
* @param canBeModified if <code>true</code> the method stub checkboxes can be changed by
* the user. If <code>false</code> the buttons are "read-only"
*/
public void setMethodStubSelection(boolean createConstructors, boolean canBeModified) {
fMethodStubsButtons.setSelection(0, createConstructors);
fMethodStubsButtons.setEnabled(canBeModified);
}
// ---- creation ----------------
/*
* @see NewTypeWizardPage#createTypeMembers
*/
protected void createTypeMembers(IType type, IProgressMonitor monitor) throws CoreException {
boolean doConstr= isCreateConstructors();
if (doConstr) {
StringBuffer buf= new StringBuffer();
final String lineDelim= "\n"; // OK, since content is formatted afterwards //$NON-NLS-1$
buf.append("def initialize"); //$NON-NLS-1$
buf.append(lineDelim);
buf.append("super");
buf.append(lineDelim);
buf.append("end"); //$NON-NLS-1$
buf.append(lineDelim);
type.createMethod(buf.toString(), null, false, null);
}
if (monitor != null) {
monitor.done();
}
}
}