org.eclipse.epp.internal.mpc.ui.wizards.MarketplaceWizardDialog.java Source code

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Here is the source code for org.eclipse.epp.internal.mpc.ui.wizards.MarketplaceWizardDialog.java

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/*******************************************************************************
 * 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
 *     JBoss (Pascal Rapicault) - Bug 406907 - Add p2 remediation page to MPC install flow
 *******************************************************************************/
package org.eclipse.epp.internal.mpc.ui.wizards;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.accessibility.Accessible;
import org.eclipse.swt.accessibility.AccessibleAdapter;
import org.eclipse.swt.accessibility.AccessibleEvent;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchListener;
import org.eclipse.ui.PlatformUI;

public class MarketplaceWizardDialog extends WizardDialog {
    private Button backButton;

    private Button nextButton;

    public MarketplaceWizardDialog(Shell parentShell, MarketplaceWizard newWizard) {
        //bug 424729 - make the wizard dialog modal
        //don't pass on parentShell, so we get a new top-level shell with its own taskbar entry
        //TODO is there some way to still get centering on the parentShell?
        super(null, newWizard);
        int shellStyle = getShellStyle();
        int allModal = SWT.APPLICATION_MODAL | SWT.PRIMARY_MODAL | SWT.SYSTEM_MODAL;
        shellStyle &= ~allModal;
        shellStyle |= SWT.MODELESS;
        setShellStyle(shellStyle);
    }

    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setData(this);//make jface dialog accessible for swtbot
        new MarketplaceDropAdapter().installDropTarget(newShell);
        final IWorkbenchListener workbenchListener = new IWorkbenchListener() {

            public boolean preShutdown(IWorkbench workbench, boolean forced) {
                Shell wizardShell = MarketplaceWizardDialog.this.getShell();
                if (wizardShell != null && !wizardShell.isDisposed()) {
                    if (forced) {
                        wizardShell.close();
                    } else {
                        boolean closed = MarketplaceWizardDialog.this.close();
                        return closed;
                    }
                }
                return true;
            }

            public void postShutdown(IWorkbench workbench) {
            }
        };
        PlatformUI.getWorkbench().addWorkbenchListener(workbenchListener);
        newShell.addDisposeListener(new DisposeListener() {

            public void widgetDisposed(DisposeEvent e) {
                PlatformUI.getWorkbench().removeWorkbenchListener(workbenchListener);
            }
        });
    }

    @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;
        }
        return button;
    }

    @Override
    protected void backPressed() {
        IWizardPage fromPage = getCurrentPage();
        super.backPressed();
        if (fromPage instanceof FeatureSelectionWizardPage
                && ((FeatureSelectionWizardPage) fromPage).isInRemediationMode()) {
            ((FeatureSelectionWizardPage) fromPage).flipToDefaultComposite();
        }
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        super.createButtonsForButtonBar(parent);
        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('>', ' ');
            }
        };
        backButton.getAccessible().addAccessibleListener(adapter);
        nextButton.getAccessible().addAccessibleListener(adapter);
    }

    @Override
    public MarketplaceWizard getWizard() {
        return (MarketplaceWizard) super.getWizard();
    }

    @Override
    public void updateButtons() {
        super.updateButtons();
        IWizardPage currentPage = getCurrentPage();
        if (currentPage != null) {
            boolean buttonsChanged = false;
            String nextButtonLabel = getNextButtonLabel(currentPage);
            if (!nextButtonLabel.equals(nextButton.getText())) {
                nextButton.setText(nextButtonLabel);
                setButtonLayoutData(nextButton);
                buttonsChanged = true;
            }
            String backButtonLabel = getBackButtonLabel(currentPage);
            if (!backButtonLabel.equals(backButton.getText())) {
                backButton.setText(backButtonLabel);
                setButtonLayoutData(backButton);
                buttonsChanged = true;
            }
            if (buttonsChanged) {
                Composite buttonBar = backButton.getParent();
                buttonBar.layout(true);
            }
        }
    }

    public String getNextButtonLabel(IWizardPage page) {
        if (page == getWizard().getCatalogPage()) {
            return Messages.MarketplaceWizardDialog_Install_Now;
        } else if (page == getWizard().getFeatureSelectionWizardPage()) {
            return Messages.MarketplaceWizardDialog_Confirm;
        }
        return IDialogConstants.NEXT_LABEL;
    }

    public String getBackButtonLabel(IWizardPage page) {
        if (page == getWizard().getFeatureSelectionWizardPage()) {
            return Messages.MarketplaceWizardDialog_Install_More;
        }
        return IDialogConstants.BACK_LABEL;
    }
}