private void createMainPanel() {
mainPanel =
new JPanel() {
protected void paintChildren(Graphics g) {
for (LayoutRelationship relations : relationships) {
g.setColor(Color.GREEN);
g.drawLine(
(int)
(relations.getSourceInLayout().getXInLayout()
+ relations.getSourceInLayout().getWidthInLayout() / 2),
(int)
(relations.getSourceInLayout().getYInLayout()
+ relations.getSourceInLayout().getHeightInLayout() / 2),
(int)
(relations.getDestinationInLayout().getXInLayout()
+ relations.getDestinationInLayout().getWidthInLayout() / 2),
(int)
(relations.getDestinationInLayout().getYInLayout()
+ relations.getDestinationInLayout().getHeightInLayout() / 2));
}
for (LayoutEntity entity : entities) {
g.setColor(Color.BLUE);
if (entity instanceof SVGCircle) {
g.drawOval(
(int) entity.getXInLayout(),
(int) entity.getYInLayout(),
(int) entity.getWidthInLayout(),
(int) entity.getHeightInLayout());
} else if (entity instanceof SVGRectangle) {
g.drawRect(
(int) entity.getXInLayout(),
(int) entity.getYInLayout(),
(int) entity.getWidthInLayout(),
(int) entity.getHeightInLayout());
}
}
}
};
mainPanel.setPreferredSize(new Dimension(svgPage.getWidth(), svgPage.getHeight()));
mainPanel.setLayout(null);
mainFrame.getContentPane().add(new JScrollPane(mainPanel), BorderLayout.CENTER);
}
public void swingDemo() {
addAlgorithm(TREE_VERT, "Tree-V", false);
addAlgorithm(TREE_HORIZ, "Tree-H", false);
addAlgorithm(RADIAL, "Radial", false);
mainFrame = new JFrame();
toolBar = new JToolBar();
mainFrame.getContentPane().setLayout(new BorderLayout());
mainFrame.getContentPane().add(toolBar, BorderLayout.NORTH);
for (int i = 0; i < algorithms.size(); i++) {
final LayoutAlgorithm algorithm = algorithms.get(i);
final String algorithmName = algorithmNames.get(i);
JButton algorithmButton = new JButton(algorithmName);
algorithmButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
algorithm.setEntityAspectRatio(
(double) svgPage.getWidth() / (double) svgPage.getHeight());
SVGUtils.performLayout(
entities, relationships, algorithm, svgPage.getWidth(), svgPage.getHeight());
mainPanel.paintImmediately(0, 0, svgPage.getWidth(), svgPage.getHeight());
}
});
toolBar.add(algorithmButton);
}
createMainPanel();
mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
/** =====PREPARING THE GRAPH START */
entities = new ArrayList<LayoutEntity>();
relationships = new ArrayList<LayoutRelationship>();
// There is a bug in size determination.
SVGCircle layoutEntity = new SVGCircle("A", Color.YELLOW);
layoutEntity.setRadios(80);
SVGCircle layoutEntity2 = new SVGCircle("B", Color.BLACK);
layoutEntity2.setRadios(10);
SVGCircle layoutEntity3 = new SVGCircle("C", Color.YELLOW);
layoutEntity3.setRadios(10);
SVGCircle layoutEntity4 = new SVGCircle("D", Color.YELLOW);
layoutEntity4.setRadios(10);
SVGRectangle layoutEntity5 = new SVGRectangle("E");
SVGEdge rel1 = new SVGEdge("f", layoutEntity, layoutEntity2, true);
SVGEdge rel3 = new SVGEdge("g", layoutEntity3, layoutEntity4, true);
SVGEdge rel35 = new SVGEdge("h", layoutEntity3, layoutEntity5, true);
SVGLayer contents = new SVGLayer("i", 1);
SVGText svgText = new SVGText("test1", "Node ID : 23\nParent ID : 34\nTempreature : 34");
svgText.setFontSize(10);
svgText.enableBorder(true);
svgText.setOpacity(0.3);
svgText.setBackgroundColor(Color.white);
svgText.setBorderColor(Color.GRAY);
contents.addElement(svgText);
contents
.addElement(layoutEntity)
.addElement(layoutEntity2)
.addElement(layoutEntity3)
.addElement(layoutEntity4)
.addElement(layoutEntity5);
contents.addElement(rel1).addElement(rel3).addElement(rel35);
svgPage.addLayer(contents);
StringBuilder stringBuilder = new StringBuilder();
entities.add(layoutEntity);
entities.add(layoutEntity2);
entities.add(layoutEntity3);
entities.add(layoutEntity4);
entities.add(layoutEntity5);
relationships.add(rel1);
relationships.add(rel35);
relationships.add(rel3);
SVGUtils.performLayout(
entities, relationships, TREE_VERT, svgPage.getWidth(), svgPage.getHeight());
svgText.setUserX(layoutEntity2.getXInLayout() + layoutEntity2.getWidthInLayout() / 2);
svgText.setUserY(layoutEntity2.getYInLayout() + layoutEntity2.getHeightInLayout() / 2);
mainFrame.pack();
mainFrame.setVisible(true);
try {
svgPage.drawInFile("/tmp/s.svg");
} catch (Exception e) {
e.printStackTrace();
return;
}
System.out.println(stringBuilder.toString());
}
