| /******************************************************************************* |
| * Copyright (c) 2010 The Eclipse Foundation 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: |
| * The Eclipse Foundation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.epp.internal.mpc.ui.wizards; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.IPageChangedListener; |
| import org.eclipse.jface.dialogs.IPageChangingListener; |
| import org.eclipse.jface.dialogs.PageChangedEvent; |
| import org.eclipse.jface.dialogs.PageChangingEvent; |
| import org.eclipse.jface.wizard.IWizard; |
| import org.eclipse.jface.wizard.IWizardPage; |
| import org.eclipse.jface.wizard.WizardDialog; |
| import org.eclipse.swt.accessibility.Accessible; |
| import org.eclipse.swt.accessibility.AccessibleAdapter; |
| import org.eclipse.swt.accessibility.AccessibleEvent; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Shell; |
| |
| public class AbstractMarketplaceWizardDialog extends WizardDialog { |
| |
| private static final class PageListener implements IPageChangingListener, IPageChangedListener { |
| |
| private Boolean forward; |
| |
| public void pageChanged(PageChangedEvent event) { |
| if (forward != null) { |
| boolean isForward = forward; |
| reset(); |
| Object selectedPage = event.getSelectedPage(); |
| if (selectedPage instanceof IWizardPageAction) { |
| ((IWizardPageAction) selectedPage).enter(isForward); |
| } |
| } |
| } |
| |
| public void handlePageChanging(PageChangingEvent event) { |
| Object currentPage = event.getCurrentPage(); |
| if (event.doit && forward != null && currentPage instanceof IWizardPageAction) { |
| event.doit = ((IWizardPageAction) currentPage).exit(forward); |
| if (!event.doit) { |
| forward = null; |
| } |
| } |
| } |
| |
| public void setForward() { |
| forward = true; |
| } |
| |
| public void setBackward() { |
| forward = false; |
| } |
| |
| public void reset() { |
| forward = null; |
| } |
| } |
| |
| private Button backButton; |
| private Button nextButton; |
| |
| private Button cancelButton; |
| |
| private Button finishButton; |
| |
| private final PageListener pageListener; |
| |
| public AbstractMarketplaceWizardDialog(Shell parentShell, IWizard newWizard) { |
| super(parentShell, newWizard); |
| pageListener = new PageListener(); |
| addPageChangingListener(pageListener); |
| addPageChangedListener(pageListener); |
| } |
| |
| @Override |
| protected Button createButton(Composite parent, int id, String label, boolean defaultButton) { |
| Button button = super.createButton(parent, id, label, defaultButton); |
| switch (id) { |
| case IDialogConstants.NEXT_ID: |
| nextButton = button; |
| break; |
| case IDialogConstants.BACK_ID: |
| backButton = button; |
| break; |
| case IDialogConstants.CANCEL_ID: |
| cancelButton = button; |
| break; |
| case IDialogConstants.FINISH_ID: |
| finishButton = button; |
| break; |
| } |
| return button; |
| } |
| |
| @Override |
| protected void backPressed() { |
| IWizardPage fromPage = getCurrentPage(); |
| pageListener.setBackward(); |
| try { |
| super.backPressed(); |
| } finally { |
| pageListener.reset(); |
| } |
| if (fromPage instanceof FeatureSelectionWizardPage |
| && ((FeatureSelectionWizardPage) fromPage).isInRemediationMode()) { |
| ((FeatureSelectionWizardPage) fromPage).flipToDefaultComposite(); |
| } |
| } |
| |
| @Override |
| protected void nextPressed() { |
| pageListener.setForward(); |
| try { |
| super.nextPressed(); |
| } finally { |
| pageListener.reset(); |
| } |
| } |
| |
| @Override |
| protected void createButtonsForButtonBar(Composite parent) { |
| super.createButtonsForButtonBar(parent); |
| if (backButton != null || nextButton != null) { |
| AccessibleAdapter adapter = new AccessibleAdapter() { |
| @Override |
| public void getName(AccessibleEvent e) { |
| final Button button = (Button) ((Accessible) e.getSource()).getControl(); |
| final String text = button.getText(); |
| e.result = text.replace('<', ' ').replace('>', ' '); |
| } |
| }; |
| if (backButton != null) { |
| backButton.getAccessible().addAccessibleListener(adapter); |
| } |
| if (nextButton != null) { |
| nextButton.getAccessible().addAccessibleListener(adapter); |
| } |
| } |
| } |
| |
| @Override |
| public void updateButtons() { |
| super.updateButtons(); |
| IWizardPage currentPage = getCurrentPage(); |
| if (currentPage != null) { |
| Composite buttonBar = null; |
| boolean buttonsChanged = false; |
| if (nextButton != null) { |
| String nextButtonLabel = getNextButtonLabel(currentPage); |
| if (!nextButtonLabel.equals(nextButton.getText())) { |
| nextButton.setText(nextButtonLabel); |
| setButtonLayoutData(nextButton); |
| buttonsChanged = true; |
| buttonBar = nextButton.getParent(); |
| } |
| } |
| if (backButton != null) { |
| String backButtonLabel = getBackButtonLabel(currentPage); |
| if (!backButtonLabel.equals(backButton.getText())) { |
| backButton.setText(backButtonLabel); |
| setButtonLayoutData(backButton); |
| buttonsChanged = true; |
| buttonBar = backButton.getParent(); |
| } |
| } |
| if (cancelButton != null) { |
| String cancelButtonLabel = getCancelButtonLabel(currentPage); |
| if (!cancelButtonLabel.equals(cancelButton.getText())) { |
| cancelButton.setText(cancelButtonLabel); |
| setButtonLayoutData(cancelButton); |
| buttonsChanged = true; |
| buttonBar = cancelButton.getParent(); |
| } |
| } |
| if (finishButton != null) { |
| String finishButtonLabel = getFinishButtonLabel(currentPage); |
| if (!finishButtonLabel.equals(finishButton.getText())) { |
| finishButton.setText(finishButtonLabel); |
| setButtonLayoutData(finishButton); |
| buttonsChanged = true; |
| buttonBar = finishButton.getParent(); |
| } |
| } |
| if (buttonsChanged && buttonBar != null) { |
| buttonBar.layout(true); |
| } |
| } |
| } |
| |
| public String getNextButtonLabel(IWizardPage page) { |
| if (page instanceof IWizardButtonLabelProvider) { |
| IWizardButtonLabelProvider labelProvider = (IWizardButtonLabelProvider) page; |
| String nextButtonLabel = labelProvider.getNextButtonLabel(); |
| if (nextButtonLabel != null) { |
| return nextButtonLabel; |
| } |
| } |
| return IDialogConstants.NEXT_LABEL; |
| } |
| |
| public String getBackButtonLabel(IWizardPage page) { |
| if (page instanceof IWizardButtonLabelProvider) { |
| IWizardButtonLabelProvider labelProvider = (IWizardButtonLabelProvider) page; |
| String backButtonLabel = labelProvider.getBackButtonLabel(); |
| if (backButtonLabel != null) { |
| return backButtonLabel; |
| } |
| } |
| return IDialogConstants.BACK_LABEL; |
| } |
| |
| public String getFinishButtonLabel(IWizardPage page) { |
| return IDialogConstants.FINISH_LABEL; |
| } |
| |
| public String getCancelButtonLabel(IWizardPage page) { |
| return IDialogConstants.CANCEL_LABEL; |
| } |
| |
| } |