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/* InlineGraphViewer.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* 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 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.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.help;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.net.URI;
import javax.swing.JPanel;
import javax.swing.UIManager;
import org.grinvin.list.graphs.GraphListElementManager;
/**
* Component for displaying a {@link GraphViewer} in a HTML page.
* The image of the graph is centered horizontally on the page.
*/
public class InlineGraphViewer extends JPanel {
private URI uri;
private GraphViewer viewer;
private final static String editorPropertyPrefix = "EditorPane" + ".";
/**
* Creates a new instance of InlineGraphViewer.
*/
public InlineGraphViewer(){
viewer = new GraphViewer();
setLayout(new BorderLayout());
add(viewer, BorderLayout.CENTER);
setOpaque(false);
}
public InlineGraphViewer(String graph, String backgroundColor, String size, String caption){
this();
setGraph(graph);
if(backgroundColor!=null)
setBackgroundColor(backgroundColor);
if(size!=null)
setDisplaySize(size);
if(caption!=null)
setCaption(caption);
}
/**
* Sets the background Color.
*
* @param backgroundColor a string containing the six characters representing the color in hexadecimal notation: RRGGBB.
*/
public void setBackgroundColor(String backgroundColor) {
try {
Color color = Color.decode("0X" + backgroundColor);
viewer.setOpaque(true);
viewer.setBackground(color);
} catch (NumberFormatException e) {
viewer.setOpaque(false);
viewer.setBackground(UIManager.getColor(editorPropertyPrefix + "background"));
}
}
/**
* Returns the background Color
*/
public String getBackgroundColor() {
return Integer.toHexString(viewer.getBackground().getRGB());
}
/**
* Sets the graph.
*
* @param graph a string representing the URI of the graph to be displayed.
*/
public void setGraph(String graph){
uri = URI.create(graph);
viewer.setElement(GraphListElementManager.getInstance().getGraphListElement(uri));
}
/**
* Returns the URI of the displayed graph as a string.
*/
public String getGraph(){
return uri.toString();
}
public void setDisplaySize(String displaySize){
int size = Integer.parseInt(displaySize);
viewer.setPreferredSize(new Dimension(size, size));
viewer.setMinimumSize(new Dimension(size, size));
}
public String getDisplaySize(){
return Integer.toString(viewer.getPreferredSize().width);
}
public void setCaption(String caption){
viewer.setText(caption);
}
public String getCaption(){
return viewer.getText();
}
}
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