org.kalypso.zml.ui.table.nat.context.menu.ZmlTableHeaderContextMenuProvider.java Source code

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Here is the source code for org.kalypso.zml.ui.table.nat.context.menu.ZmlTableHeaderContextMenuProvider.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 *
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 *
 *  and
 *
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact:
 *
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *
 *  ---------------------------------------------------------------------------*/
package org.kalypso.zml.ui.table.nat.context.menu;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.kalypso.commons.java.lang.Objects;
import org.kalypso.contribs.eclipse.core.runtime.StatusUtilities;
import org.kalypso.contribs.eclipse.jface.action.ContributionUtils;
import org.kalypso.zml.core.table.binding.BaseColumn;
import org.kalypso.zml.core.table.binding.ColumnHeader;
import org.kalypso.zml.core.table.model.IZmlModelColumn;
import org.kalypso.zml.core.table.model.utils.ZmlModelColumns;
import org.kalypso.zml.core.table.model.view.ZmlModelViewport;
import org.kalypso.zml.core.table.rules.AppliedRule;
import org.kalypso.zml.ui.KalypsoZmlUI;
import org.kalypso.zml.ui.i18n.Messages;

/**
 * @author Dirk Kuch
 */
public class ZmlTableHeaderContextMenuProvider {
    public void fillMenu(final ZmlModelViewport viewport, final IZmlModelColumn column,
            final MenuManager menuManager) {
        if (column == null)
            return;

        final BaseColumn columnType = column.getDataColumn();
        final String uri = columnType.getUriHeaderContextMenu();
        if (uri != null) {
            // add basic menu entries which are defined in the plugin.xml
            ContributionUtils.populateContributionManager(PlatformUI.getWorkbench(), menuManager, uri);
        }

        // add additional info items
        addAdditionalItems(viewport, column, menuManager);
    }

    private void addAdditionalItems(final ZmlModelViewport viewport, final IZmlModelColumn column,
            final MenuManager menuManager) {
        menuManager.add(new Separator());

        menuManager.add(new Action() {
            @Override
            public String getText() {
                return Messages.ZmlTableHeaderContextMenuProvider_0;
            }

            @Override
            public boolean isEnabled() {
                return false;
            }
        });

        final ColumnHeader[] headers = column.getDataColumn().getHeaders();
        for (final ColumnHeader header : headers) {
            addAdditionalItem(header, menuManager);
        }

        final AppliedRule[] rules = ZmlModelColumns.findRules(viewport, column);
        for (final AppliedRule rule : rules) {
            addAditionalItem(rule, menuManager);
        }

    }

    private void addAdditionalItem(final ColumnHeader header, final MenuManager menuManager) {
        menuManager.add(new Action() {
            @Override
            public org.eclipse.jface.resource.ImageDescriptor getImageDescriptor() {
                try {
                    final Image icon = header.getIcon();
                    if (icon != null)
                        return ImageDescriptor.createFromImage(icon);
                } catch (final Throwable t) {
                    KalypsoZmlUI.getDefault().getLog().log(StatusUtilities.statusFromThrowable(t));
                }

                return null;
            }

            @Override
            public String getText() {
                return String.format("   %s", header.getLabel()); //$NON-NLS-1$
            }

            @Override
            public boolean isEnabled() {
                return false;
            }

        });

    }

    private void addAditionalItem(final AppliedRule rule, final MenuManager menuManager) {
        menuManager.add(new Action() {
            @Override
            public org.eclipse.jface.resource.ImageDescriptor getImageDescriptor() {
                try {
                    final Image image = rule.getCellStyle().getImage();
                    if (Objects.isNotNull(image))
                        return ImageDescriptor.createFromImage(image);
                } catch (final Throwable t) {
                    KalypsoZmlUI.getDefault().getLog().log(StatusUtilities.statusFromThrowable(t));
                }

                return null;
            }

            @Override
            public String getText() {
                return String.format(Messages.ZmlTableHeaderContextMenuProvider_2, rule.getLabel());
            }

            @Override
            public boolean isEnabled() {
                return false;
            }
        });
    }
}