org.springframework.ide.eclipse.config.ui.editors.SpringConfigGraphPage.java Source code

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Here is the source code for org.springframework.ide.eclipse.config.ui.editors.SpringConfigGraphPage.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.springframework.ide.eclipse.config.ui.editors;

import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.forms.ManagedForm;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.springframework.ide.eclipse.beans.ui.graph.editor.GraphEditor;

/**
 * @author Leo Dos Santos
 * @author Christian Dupuis
 */
public class SpringConfigGraphPage extends GraphEditor {

    private final AbstractConfigEditor editor;

    private ManagedForm mform;

    private ScrolledForm sform;

    public SpringConfigGraphPage(AbstractConfigEditor editor) {
        super();
        this.editor = editor;
    }

    @Override
    public void createPartControl(Composite parent) {
        if (mform == null) {
            mform = new ManagedForm(parent);
        }

        sform = mform.getForm();
        sform.getForm().setSeparatorVisible(true);
        sform.setText(Messages.getString("SpringConfigGraphPage.FORM_TITLE")); //$NON-NLS-1$
        updateHeader();

        FormToolkit toolkit = mform.getToolkit();
        toolkit.decorateFormHeading(sform.getForm());
        Composite body = sform.getBody();
        body.setLayout(new FillLayout());

        super.createPartControl(body);
    }

    @Override
    public void dispose() {
        if (mform != null) {
            mform.dispose();
        }
        super.dispose();
    }

    public AbstractConfigEditor getConfigEditor() {
        return editor;
    }

    protected void updateHeader() {
        if (sform != null && !sform.isDisposed() && editor != null) {
            mform.reflow(true);
            if (editor.isDirty()) {
                sform.setMessage(Messages.getString("SpringConfigGraphPage.DIRTY_INFO"), //$NON-NLS-1$
                        IMessageProvider.INFORMATION);
            } else {
                sform.setMessage(null, IMessageProvider.NONE);
            }
        }
    }

}