org.springsource.ide.eclipse.commons.livexp.ui.WizardPageWithSections.java Source code

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Here is the source code for org.springsource.ide.eclipse.commons.livexp.ui.WizardPageWithSections.java

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/*******************************************************************************
 * Copyright (c) 2012 VMWare, Inc.
 * 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:
 *     VMWare, Inc. - initial API and implementation
 *******************************************************************************/
package org.springsource.ide.eclipse.commons.livexp.ui;

import java.util.List;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.springsource.ide.eclipse.commons.livexp.core.CompositeValidator;
import org.springsource.ide.eclipse.commons.livexp.core.LiveExpression;
import org.springsource.ide.eclipse.commons.livexp.core.ValidationResult;
import org.springsource.ide.eclipse.commons.livexp.core.ValueListener;

/**
 * @author Kris De Volder
 */
public abstract class WizardPageWithSections extends WizardPage
        implements IPageWithSections, ValueListener<ValidationResult> {

    protected WizardPageWithSections(String pageName, String title, ImageDescriptor titleImage) {
        super(pageName, title, titleImage);
    }

    private List<WizardPageSection> sections = null;
    private CompositeValidator validator;

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
     */
    public void createControl(Composite parent) {
        Composite page = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout(1, false);
        layout.marginHeight = 1;
        layout.marginWidth = 1;
        page.setLayout(layout);
        validator = new CompositeValidator();
        for (PageSection section : getSections()) {
            section.createContents(page);
            validator.addChild(section.getValidator());
        }
        validator.addListener(this);
        setControl(page);
        getContainer().updateButtons();
        getContainer().updateMessage();
    }

    protected synchronized List<WizardPageSection> getSections() {
        if (sections == null) {
            sections = createSections();
        }
        return sections;
    }

    //   @Override
    //   public boolean isPageComplete() {
    //      if (validator!=null) {
    //         return validator.getValue().isOk();
    //      }
    //      return false;
    //   }

    /**
     * This method should be implemented to generate the contents of the page.
     */
    protected abstract List<WizardPageSection> createSections();

    public void gotValue(LiveExpression<ValidationResult> exp, ValidationResult status) {
        setErrorMessage(null);
        setMessage(null);
        if (status.isOk()) {
        } else if (status.status == IStatus.ERROR) {
            setErrorMessage(status.msg);
        } else if (status.status == IStatus.WARNING) {
            setMessage(status.msg, IMessageProvider.WARNING);
        } else if (status.status == IStatus.INFO) {
            setMessage(status.msg, IMessageProvider.INFORMATION);
        } else {
            setMessage(status.msg, IMessageProvider.NONE);
        }
        setPageComplete(status.isOk());
    }

    public void dispose() {
        for (WizardPageSection s : sections) {
            s.dispose();
        }
    }

}