| /******************************************************************************* |
| * Copyright (c) 2005, 2006 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.eclipse.jdt.internal.ui.dialogs; |
| |
| import org.eclipse.core.runtime.IStatus; |
| |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.ISelectionStatusValidator; |
| |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.dom.IVariableBinding; |
| |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaUIMessages; |
| import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor; |
| import org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider; |
| |
| /** |
| * Dialog for the generate hashCode() and equals() action. |
| * |
| * @since 3.2 |
| */ |
| public class GenerateHashCodeEqualsDialog extends SourceActionDialog { |
| |
| /** |
| * Content provider for the generate hashCode() and equals() tree viewer. |
| * |
| * @since 3.2 |
| * |
| */ |
| private static class GenerateHashCodeEqualsContentProvider implements ITreeContentProvider { |
| |
| IVariableBinding[] fBindings; |
| |
| public GenerateHashCodeEqualsContentProvider(IVariableBinding[] allFields) { |
| this.fBindings= allFields; |
| } |
| |
| public Object[] getChildren(Object parentElement) { |
| return new Object[0]; |
| } |
| |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| public boolean hasChildren(Object element) { |
| return false; |
| } |
| |
| public Object[] getElements(Object inputElement) { |
| return fBindings; |
| } |
| |
| public void dispose() { |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| } |
| |
| /** |
| * Validator for the input of the generate hashCode() and equals() dialog. |
| * |
| * @since 3.2 |
| * |
| */ |
| private static class GenerateHashCodeEqualsValidator implements ISelectionStatusValidator { |
| |
| private static int fNumFields; |
| |
| public GenerateHashCodeEqualsValidator(int entries) { |
| fNumFields= entries; |
| } |
| |
| public IStatus validate(Object[] selection) { |
| int count= 0; |
| for (int index= 0; index < selection.length; index++) { |
| if (selection[index] instanceof IVariableBinding) |
| count++; |
| } |
| if (count == 0) |
| return new StatusInfo(IStatus.ERROR, JavaUIMessages.GenerateHashCodeEqualsDialog_select_at_least_one_field); |
| |
| return new StatusInfo(IStatus.INFO, Messages.format(JavaUIMessages.GenerateHashCodeEqualsDialog_selectioninfo_more, new String[] { |
| String.valueOf(count), String.valueOf(fNumFields) })); |
| } |
| } |
| |
| public GenerateHashCodeEqualsDialog(Shell shell, CompilationUnitEditor editor, IType type, IVariableBinding[] allFields, |
| IVariableBinding[] selectedFields) throws JavaModelException { |
| super(shell, new BindingLabelProvider(), new GenerateHashCodeEqualsContentProvider(allFields), editor, type, false); |
| setEmptyListMessage(JavaUIMessages.GenerateHashCodeEqualsDialog_no_entries); |
| |
| setInitialSelections(selectedFields); |
| |
| setTitle(JavaUIMessages.GenerateHashCodeEqualsDialog_dialog_title); |
| setMessage(JavaUIMessages.GenerateHashCodeEqualsDialog_select_fields_to_include); |
| setValidator(new GenerateHashCodeEqualsValidator(allFields.length)); |
| setSize(60, 18); |
| setInput(new Object()); |
| } |
| |
| protected void configureShell(Shell shell) { |
| super.configureShell(shell); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IJavaHelpContextIds.GENERATE_HASHCODE_EQUALS_SELECTION_DIALOG); |
| } |
| |
| } |