| /******************************************************************************* |
| * 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.ltk.internal.ui.refactoring.history; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| import org.eclipse.ltk.core.refactoring.history.RefactoringHistory; |
| |
| import org.eclipse.ltk.internal.ui.refactoring.RefactoringUIMessages; |
| import org.eclipse.ltk.internal.ui.refactoring.util.PixelConverter; |
| import org.eclipse.ltk.internal.ui.refactoring.util.SWTUtil; |
| |
| import org.eclipse.swt.SWT; |
| 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.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| |
| import org.eclipse.ltk.ui.refactoring.history.RefactoringHistoryControlConfiguration; |
| |
| /** |
| * Control which is capable of displaying and editing the global workspace |
| * refactoring history. |
| * |
| * @since 3.2 |
| */ |
| public class ShowRefactoringHistoryControl extends SortableRefactoringHistoryControl { |
| |
| /** The delete all button, or <code>null</code> */ |
| private Button fDeleteAllButton= null; |
| |
| /** The delete button, or <code>null</code> */ |
| private Button fDeleteButton= null; |
| |
| /** The edit button, or <code>null</code> */ |
| private Button fEditButton= null; |
| |
| /** |
| * Creates a new show refactoring history control. |
| * |
| * @param parent |
| * the parent control |
| * @param configuration |
| * the refactoring history control configuration to use |
| */ |
| public ShowRefactoringHistoryControl(final Composite parent, final RefactoringHistoryControlConfiguration configuration) { |
| super(parent, configuration); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void createBottomButtonBar(final Composite parent) { |
| // No button bar |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void createControl() { |
| super.createControl(); |
| final GridData data= new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); |
| data.heightHint= new PixelConverter(this).convertHeightInCharsToPixels(24); |
| setLayoutData(data); |
| } |
| |
| /** |
| * Creates the delete all button of the control. |
| * |
| * @param parent |
| * the parent composite |
| */ |
| protected void createDeleteAllButton(final Composite parent) { |
| Assert.isNotNull(parent); |
| fDeleteAllButton= new Button(parent, SWT.NONE); |
| fDeleteAllButton.setEnabled(false); |
| fDeleteAllButton.setText(RefactoringUIMessages.ShowRefactoringHistoryControl_delete_all_label); |
| final GridData data= new GridData(); |
| data.horizontalAlignment= GridData.FILL; |
| data.grabExcessHorizontalSpace= true; |
| data.verticalAlignment= GridData.BEGINNING; |
| data.widthHint= SWTUtil.getButtonWidthHint(fDeleteAllButton); |
| fDeleteAllButton.setLayoutData(data); |
| } |
| |
| /** |
| * Creates the delete button of the control. |
| * |
| * @param parent |
| * the parent composite |
| * @param alignment |
| * the alignment of the button |
| */ |
| protected void createDeleteButton(final Composite parent, final int alignment) { |
| Assert.isNotNull(parent); |
| fDeleteButton= new Button(parent, SWT.NONE); |
| fDeleteButton.setEnabled(false); |
| fDeleteButton.setText(RefactoringUIMessages.ShowRefactoringHistoryControl_delete_label); |
| final GridData data= new GridData(); |
| data.horizontalAlignment= alignment; |
| data.grabExcessHorizontalSpace= true; |
| data.verticalAlignment= GridData.BEGINNING; |
| data.widthHint= SWTUtil.getButtonWidthHint(fDeleteButton); |
| fDeleteButton.setLayoutData(data); |
| } |
| |
| /** |
| * Creates the edit button of the control. |
| * |
| * @param parent |
| * the parent composite |
| */ |
| protected void createEditButton(final Composite parent) { |
| Assert.isNotNull(parent); |
| fEditButton= new Button(parent, SWT.NONE); |
| fEditButton.setEnabled(false); |
| fEditButton.setText(RefactoringUIMessages.ShowRefactoringHistoryControl_edit_label); |
| final GridData data= new GridData(); |
| data.verticalIndent= new PixelConverter(parent).convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); |
| data.horizontalAlignment= GridData.FILL; |
| data.grabExcessHorizontalSpace= true; |
| data.verticalAlignment= GridData.BEGINNING; |
| data.widthHint= SWTUtil.getButtonWidthHint(fEditButton); |
| fEditButton.setLayoutData(data); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected TreeViewer createHistoryViewer(final Composite parent) { |
| Assert.isNotNull(parent); |
| if (fControlConfiguration.isCheckableViewer()) |
| return new RefactoringHistoryTreeViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI); |
| else |
| return new TreeViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void createRightButtonBar(final Composite parent) { |
| Assert.isNotNull(parent); |
| final Composite composite= new Composite(parent, SWT.NONE); |
| final GridLayout layout= new GridLayout(1, false); |
| composite.setLayout(layout); |
| |
| final GridData data= new GridData(); |
| data.grabExcessHorizontalSpace= false; |
| data.grabExcessVerticalSpace= true; |
| data.horizontalAlignment= SWT.FILL; |
| data.verticalAlignment= SWT.TOP; |
| composite.setLayoutData(data); |
| |
| createDeleteButton(composite, GridData.FILL); |
| createDeleteAllButton(composite); |
| createEditButton(composite); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void createSelectionLabel(final Composite parent) { |
| // No selection label |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected int getContainerColumns() { |
| return 2; |
| } |
| |
| /** |
| * Returns the delete all button. |
| * |
| * @return the delete all button, or <code>null</code> |
| */ |
| public Button getDeleteAllButton() { |
| return fDeleteAllButton; |
| } |
| |
| /** |
| * Returns the delete button. |
| * |
| * @return the delete button, or <code>null</code> |
| */ |
| public Button getDeleteButton() { |
| return fDeleteButton; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected int getDetailColumns() { |
| return 1; |
| } |
| |
| /** |
| * Returns the edit button. |
| * |
| * @return the edit button, or <code>null</code> |
| */ |
| public Button getEditButton() { |
| return fEditButton; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void handleCheckStateChanged() { |
| super.handleCheckStateChanged(); |
| if (fDeleteButton != null) |
| fDeleteButton.setEnabled(getCheckedDescriptors().length > 0); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void handleSelectionChanged(final IStructuredSelection selection) { |
| super.handleSelectionChanged(selection); |
| if (fEditButton != null) |
| fEditButton.setEnabled(getSelectedDescriptors().length == 1); |
| if (fDeleteButton != null) |
| fDeleteButton.setEnabled(getCheckedDescriptors().length > 0); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setInput(final RefactoringHistory history) { |
| super.setInput(history); |
| if (fDeleteAllButton != null) |
| fDeleteAllButton.setEnabled(history != null && !history.isEmpty()); |
| if (fDeleteButton != null) |
| fDeleteButton.setEnabled(false); |
| if (fEditButton != null) |
| fEditButton.setEnabled(false); |
| } |
| } |