org.bonitasoft.studio.common.editor.CustomFormToolkit.java Source code

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Here is the source code for org.bonitasoft.studio.common.editor.CustomFormToolkit.java

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/**
 * Copyright (C) 2012 BonitaSoft S.A.
 * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2.0 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.bonitasoft.studio.common.editor;

import java.lang.reflect.Field;

import org.bonitasoft.studio.common.log.BonitaStudioLog;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.ui.forms.IFormColors;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.eclipse.ui.internal.forms.widgets.FormHeading;
import org.eclipse.ui.internal.forms.widgets.FormsResources;

/**
 * @author Romain Bioteau
 *
 */
public class CustomFormToolkit extends FormToolkit {

    private ToolBarManager toolBarManager;

    public CustomFormToolkit(Display display) {
        super(display);
    }

    @Override
    public ScrolledForm createScrolledForm(Composite parent) {
        ScrolledForm form = new ScrolledForm(parent, SWT.V_SCROLL | SWT.H_SCROLL | getOrientation()) {

            public org.eclipse.jface.action.IToolBarManager getToolBarManager() {
                if (toolBarManager == null) {
                    toolBarManager = new ToolBarManager(SWT.FLAT | SWT.RIGHT);
                    ToolBar toolbar = toolBarManager.createControl(getForm().getHead());
                    toolbar.setBackground(getBackground());
                    toolbar.setForeground(getForeground());
                    toolbar.setCursor(FormsResources.getHandCursor());
                    getForm().getHead().addDisposeListener(new DisposeListener() {
                        public void widgetDisposed(DisposeEvent e) {
                            if (toolBarManager != null) {
                                toolBarManager.dispose();
                                toolBarManager = null;
                            }
                        }
                    });
                    try {
                        Field f = FormHeading.class.getDeclaredField("toolBarManager");
                        f.setAccessible(true);
                        f.set(getForm().getHead(), toolBarManager);
                    } catch (Exception e1) {
                        BonitaStudioLog.error(e1);
                    }
                }
                return toolBarManager;

            }
        };
        form.setExpandHorizontal(true);
        form.setExpandVertical(true);
        form.setBackground(getColors().getBackground());
        form.setForeground(getColors().getColor(IFormColors.TITLE));
        form.setFont(JFaceResources.getHeaderFont());
        return form;
    }

}