/*******************************************************************************
* Copyright (c) 2011 Formal Mind GmbH and University of Dusseldorf.
* 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:
* Michael Jastram - initial API and implementation
* Kay Münch - vertical alignment of the spec objects id
******************************************************************************/
package org.eclipse.rmf.reqif10.pror.presentation.ui;
import org.eclipse.rmf.reqif10.AttributeDefinitionString;
import org.eclipse.rmf.reqif10.AttributeValue;
import org.eclipse.rmf.reqif10.AttributeValueString;
import org.eclipse.rmf.reqif10.DatatypeDefinitionString;
import org.eclipse.rmf.reqif10.common.util.ReqIF10Util;
import org.eclipse.rmf.reqif10.pror.configuration.ProrPresentationConfiguration;
import org.eclipse.rmf.reqif10.pror.editor.presentation.service.IProrCellRenderer;
import org.eclipse.rmf.reqif10.pror.presentation.id.IdConfiguration;
import org.eclipse.rmf.reqif10.pror.presentation.id.IdVerticalAlign;
import org.eclipse.rmf.reqif10.pror.util.ConfigurationUtil;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
public class IdLabelCellRenderer implements IProrCellRenderer {
public IdLabelCellRenderer() {
}
public int doDrawCellContent(GC gc, Rectangle rect, Object value) {
if (value instanceof AttributeValueString) {
Object text = ReqIF10Util.getTheValue((AttributeValue) value);
if (text != null) {
IdVerticalAlign align = getAlignment((AttributeValueString) value);
Point extend = gc.textExtent(value.toString());
int y = rect.y + 1;
if (IdVerticalAlign.CENTER.equals(align)) {
y = rect.y + rect.height / 2 - extend.y / 2;
}
gc.drawText(text.toString(), rect.x + 1, y);
return extend.y + 2;
}
}
// Default
return 16;
}
/**
* Finds the corresponding configuration element and extracts the alignment
* information from it.
*
* @return either the configured alignment or the default alignment, never null.
*/
private IdVerticalAlign getAlignment(AttributeValueString av) {
AttributeDefinitionString ad = av.getDefinition();
if (ad != null) {
DatatypeDefinitionString dd = ad.getType();
if (dd != null) {
ProrPresentationConfiguration config = ConfigurationUtil.getPresentationConfiguration(dd);
if (config instanceof IdConfiguration) {
return ((IdConfiguration) config).getVerticalAlign();
}
}
}
return IdVerticalAlign.CENTER;
}
public String doDrawHtmlContent(AttributeValue value) {
AttributeValueString av = (AttributeValueString) value;
return av.getTheValue();
}
}