/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2006 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
* this acknowlegement may appear in the software itself, if and wherever such
* third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
* promote products derived from this software without prior written permission.
* For written permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle" nor
* may "ObjectStyle" appear in their names without prior written permission of
* the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
* behalf of the ObjectStyle Group. For more information on the ObjectStyle
* Group, please see <http://objectstyle.org/>.
*
*/
package org.objectstyle.wolips.eomodeler.editors.relationships;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.objectstyle.wolips.eomodeler.Activator;
import org.objectstyle.wolips.eomodeler.core.model.EOAttribute;
import org.objectstyle.wolips.eomodeler.core.model.EOEntity;
import org.objectstyle.wolips.eomodeler.core.model.EOJoin;
import org.objectstyle.wolips.eomodeler.core.model.EORelationship;
import org.objectstyle.wolips.eomodeler.utils.TablePropertyLabelProvider;
public class EORelationshipsLabelProvider extends TablePropertyLabelProvider implements ITableColorProvider, ITableFontProvider {
private TableViewer _tableViewer;
private Font _flattenedFont;
private Font _inheritedFont;
private Font _flattenedInheritedFont;
public EORelationshipsLabelProvider(TableViewer tableViewer, String tableName) {
super(tableName);
_tableViewer = tableViewer;
}
public Image getColumnImage(Object element, String property) {
EORelationship relationship = (EORelationship) element;
Image image = null;
if (EORelationship.TO_MANY.equals(property)) {
image = yesNoImage(relationship.isToMany(), Activator.getDefault().getImageRegistry().get(Activator.TO_MANY_ICON), Activator.getDefault().getImageRegistry().get(Activator.TO_ONE_ICON), Activator.getDefault().getImageRegistry().get(Activator.TO_ONE_ICON));
} else if (EORelationship.CLASS_PROPERTY.equals(property)) {
image = yesNoImage(relationship.isClassProperty(), Activator.getDefault().getImageRegistry().get(Activator.CLASS_PROPERTY_ICON), null, null);
} else if (EORelationship.OPTIONAL.equals(property)) {
image = yesNoImage(relationship.isOptional(), Activator.getDefault().getImageRegistry().get(Activator.ALLOW_NULL_ICON), null, null);
}
return image;
}
public String getColumnText(Object element, String property) {
EORelationship relationship = (EORelationship) element;
String text = null;
if (EORelationship.TO_MANY.equals(property)) {
// DO NOTHING
} else if (EORelationship.CLASS_PROPERTY.equals(property)) {
// DO NOTHING
} else if (EORelationship.OPTIONAL.equals(property)) {
// DO NOTHING
} else if (EORelationship.DESTINATION.equals(property)) {
EOEntity destination = relationship.getDestination();
if (destination != null) {
text = destination.getName();
}
} else if (EOJoin.SOURCE_ATTRIBUTE.equals(property)) {
EOJoin firstJoin = relationship.getFirstJoin();
if (firstJoin != null) {
EOAttribute sourceAttribute = firstJoin.getSourceAttribute();
if (sourceAttribute != null) {
text = sourceAttribute.getName();
}
}
} else if (EOJoin.DESTINATION_ATTRIBUTE.equals(property)) {
EOJoin firstJoin = relationship.getFirstJoin();
if (firstJoin != null) {
EOAttribute destinationAttribute = firstJoin.getDestinationAttribute();
if (destinationAttribute != null) {
text = destinationAttribute.getName();
}
}
} else {
text = super.getColumnText(element, property);
}
return text;
}
public Font getFont(Object element, int columnIndex) {
EORelationship relationship = (EORelationship) element;
Font font = null;
boolean inherited = relationship.isInherited();
boolean flattened = relationship.isFlattened();
if (flattened && inherited) {
if (_flattenedInheritedFont == null) {
Font originalFont = _tableViewer.getTable().getFont();
FontData[] fontData = _tableViewer.getTable().getFont().getFontData();
_flattenedInheritedFont = new Font(originalFont.getDevice(), fontData[0].getName(), fontData[0].getHeight(), SWT.BOLD | SWT.ITALIC);
}
font = _flattenedInheritedFont;
}
else if (flattened) {
if (_flattenedFont == null) {
Font originalFont = _tableViewer.getTable().getFont();
FontData[] fontData = _tableViewer.getTable().getFont().getFontData();
_flattenedFont = new Font(originalFont.getDevice(), fontData[0].getName(), fontData[0].getHeight(), SWT.BOLD);
}
font = _flattenedFont;
} else if (inherited) {
if (_inheritedFont == null) {
Font originalFont = _tableViewer.getTable().getFont();
FontData[] fontData = _tableViewer.getTable().getFont().getFontData();
_inheritedFont = new Font(originalFont.getDevice(), fontData[0].getName(), fontData[0].getHeight(), SWT.ITALIC);
}
font = _inheritedFont;
}
return font;
}
public Color getBackground(Object element, int columnIndex) {
// EORelationship relationship = (EORelationship) element;
return null;
}
public Color getForeground(Object element, int columnIndex) {
EORelationship relationship = (EORelationship) element;
Color color = null;
boolean isClassProperty = relationship.isClassProperty() != null && relationship.isClassProperty().booleanValue();
if (!isClassProperty) {
color = Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GRAY);
}
return color;
}
public void dispose() {
if (_flattenedFont != null) {
_flattenedFont.dispose();
}
if (_inheritedFont != null) {
_inheritedFont.dispose();
}
if (_flattenedInheritedFont != null) {
_flattenedInheritedFont.dispose();
}
super.dispose();
}
}