1 /*******************************************************************************
2 * Copyright (c) 2010, 2011 Association for Decentralized Information Management in
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.browsing.ui.model.labeldecorators;
14 import org.eclipse.jface.resource.ColorDescriptor;
15 import org.eclipse.jface.resource.FontDescriptor;
16 import org.eclipse.swt.SWT;
17 import org.eclipse.swt.graphics.FontData;
18 import org.eclipse.swt.graphics.RGB;
19 import org.simantics.browsing.ui.content.LabelDecorator;
20 import org.simantics.databoard.Bindings;
21 import org.simantics.db.ReadGraph;
22 import org.simantics.db.Resource;
23 import org.simantics.db.exception.DatabaseException;
24 import org.simantics.viewpoint.ontology.ViewpointResource;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 * Constant label decoration rule decorates the label in a fixed way.
30 * @author Hannu Niemistö
32 public class ConstantLabelDecorationRule extends AbstractLabelDecorator implements LabelDecorationRule {
34 private static final Logger LOGGER = LoggerFactory.getLogger(ConstantLabelDecorationRule.class);
36 * For headless instances where no Display is available
38 private static final FontDescriptor DEFAULT_FONT_DESCRIPTOR = FontDescriptor.createFrom(new FontData("Arial", 11, 0));
43 ColorDescriptor foregroundColor;
44 ColorDescriptor backgroundColor;
47 public ConstantLabelDecorationRule(String format,
48 ColorDescriptor foregroundColor, ColorDescriptor backgroundColor,
49 String style, String column) {
51 String[] split = format.split("%s", 2);
52 if(split.length == 1) {
61 this.foregroundColor = foregroundColor;
62 this.backgroundColor = backgroundColor;
64 this.style = SWT.NORMAL;
66 for(char c : style.toCharArray())
70 this.style |= SWT.BOLD;
74 this.style |= SWT.ITALIC;
77 LOGGER.info("Invalid character '" + c + "' in style string. Only B and I recognized.");
81 private static ColorDescriptor getPossibleRelatedColor(ReadGraph g, Resource subject, Resource predicate) throws DatabaseException {
82 Resource value = g.getPossibleObject(subject, predicate);
85 RGB rgb = g.adapt(value, RGB.class);
86 return ColorDescriptor.createFrom(rgb);
89 public static ConstantLabelDecorationRule create(ReadGraph g, Resource r) throws DatabaseException {
90 ViewpointResource vr = ViewpointResource.getInstance(g);
91 String format = g.getPossibleRelatedValue(r, vr.ConstantLabelDecorationRule_HasFormat, Bindings.STRING);
93 ColorDescriptor foregroundColor = getPossibleRelatedColor(g, r, vr.ConstantLabelDecorationRule_HasForegroundColor);
94 ColorDescriptor backgroundColor = getPossibleRelatedColor(g, r, vr.ConstantLabelDecorationRule_HasBackgroundColor);
96 String style = g.getPossibleRelatedValue(r, vr.ConstantLabelDecorationRule_HasStyle, Bindings.STRING);
97 String column = g.getPossibleRelatedValue(r, vr.ConstantLabelDecorationRule_HasColumn, Bindings.STRING);
99 return new ConstantLabelDecorationRule(
108 public boolean isCompatible(Class<?> contentType) {
113 public LabelDecorator getLabelDecorator(ReadGraph graph, Object content)
114 throws DatabaseException {
119 public String decorateLabel(String label, String column, int itemIndex) {
120 if(this.column != null)
121 if(!this.column.equals(column))
126 return prefix + label + postfix;
129 @SuppressWarnings("unchecked")
130 public <Color> Color decorateForeground(Color color, String column, int itemIndex) {
131 if(this.column != null)
132 if(!this.column.equals(column))
134 if(foregroundColor == null)
137 return (Color)foregroundColor;
140 @SuppressWarnings("unchecked")
141 public <Color> Color decorateBackground(Color color, String column, int itemIndex) {
142 if(this.column != null)
143 if(!this.column.equals(column))
145 if(backgroundColor == null)
148 return (Color)backgroundColor;
151 @SuppressWarnings("unchecked")
152 public <Font> Font decorateFont(Font font, String column, int itemIndex) {
153 if(this.column != null)
154 if(!this.column.equals(column))
159 FontDescriptor desc = (FontDescriptor)font;
161 desc = DEFAULT_FONT_DESCRIPTOR;
162 return (Font)desc.withStyle(style);