Add multiline label support for nodes/sprites

pom.xml

@@ -21,7 +21,7 @@
 
 	<groupId>org.graphstream</groupId>
 	<artifactId>gs-ui-swing</artifactId>
-	<version>2.0</version>
+	<version>2.1.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>gs-ui-swing</name>

src-test/org/graphstream/ui/viewer_swing/test/Clicks.java

@@ -0,0 +1,136 @@
+import org.graphstream.graph.Graph;
+import org.graphstream.graph.Node;
+import org.graphstream.graph.implementations.SingleGraph;
+import org.graphstream.ui.swing_viewer.SwingViewer;
+import org.graphstream.ui.swing_viewer.ViewPanel;
+import org.graphstream.ui.view.Viewer;
+import org.graphstream.ui.view.ViewerListener;
+import org.graphstream.ui.view.ViewerPipe;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class Clicks {
+
+    static Graph graph;
+    static JDialog mainFrame;
+    static JPanel mainPanel;
+
+    static JTextArea codeArea;
+
+
+    public static void main(String args[]) {
+        System.setProperty("org.graphstream.ui", "swing");
+        System.setProperty("sun.java2d.uiScale", "1.0");
+        new Clicks();
+        System.out.println("Doneee");
+
+    }
+
+
+    boolean loop;
+    public Clicks() {
+        loop = true;
+        mainFrame = new JDialog();
+        JDialog frame = mainFrame;
+        mainPanel = new JPanel(){
+            @Override
+            public Dimension getPreferredSize() {
+                return new Dimension(640, 480);
+            }
+        };
+        mainPanel.setLayout(new BorderLayout());
+        JPanel panel = mainPanel;
+        codeArea = new JTextArea();
+        codeArea.setEditable(false);
+
+
+
+
+
+
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+
+        panel.setBorder(BorderFactory.createLineBorder(Color.blue, 5));
+        mainFrame.add(panel);
+
+        graph = new SingleGraph("Clicks");
+        graph.setAttribute("ui.stylesheet",
+                "node {\n" +
+                        "    fill-color: yellow;\n" +
+                        "    text-color: blue;\n" +
+                        "    text-size: 15;\n" +
+                        "    shape: box;\n" +
+//                        "    size: 50px;\n" +
+                        "    size-mode: fit;\n" +
+                        "}\n" +
+                        "sprite.basicBlock {\n" +
+                        "    shape: rounded-box;\n" +
+                        "    stroke-mode: plain;\n" +
+                        "    stroke-color: #000000;\n" +
+                        "    fill-color: green;\n" +
+                        "    size-mode: fit;\n" +
+                        "    text-alignment: center;\n" +
+                        "}");
+
+        Node a = graph.addNode("A");
+        a.setAttribute("ui.label", "Line1\nLine2\nLine3\nLine4\nLine5\nLine6\nLine7\nLine8\nLine9\nLine10\nLine11\nLine12\nLine13\nLine14\nLine15\nLine16\nLine17\nLine18\nLine19\nLine20\nLine21\nLine22\nLine23\nLine24\nLine25");
+        graph.addNode("B");
+        graph.addNode("C");
+        graph.addEdge("AB", "A", "B");
+        graph.addEdge("BC", "B", "C");
+        graph.addEdge("CA", "C", "A");
+
+        Viewer viewer = new SwingViewer(graph, Viewer.ThreadingModel.GRAPH_IN_GUI_THREAD);
+
+
+        ViewPanel viewPanel = (ViewPanel) viewer.addDefaultView(false);
+        viewer.getDefaultView().enableMouseOptions();
+        viewer.enableAutoLayout();
+
+        panel.add(viewPanel, BorderLayout.CENTER);
+//        panel.add(codeArea, BorderLayout.SOUTH);
+        frame.pack();
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+        frame.setModal(true);
+
+        ViewerPipe fromViewer = viewer.newViewerPipe();
+        fromViewer.addViewerListener(new MouseOptions());
+        fromViewer.addSink(graph);
+
+        while(loop) {
+            fromViewer.pump();
+            if (!frame.isVisible()) {
+                break;
+            }
+        }
+
+    }
+
+
+
+    public class MouseOptions implements ViewerListener {
+        public void viewClosed(String id) {
+
+            loop = false;
+        }
+
+        public void buttonPushed(String id) {
+//            codeArea.setText((String) graph.getNode(id).getAttribute("ui.label"));
+//            codeArea.setEditable(false);
+        }
+
+        public void buttonReleased(String id) {
+            System.out.println("Button released on node "+id);
+        }
+
+        public void mouseOver(String id) {
+            System.out.println("Need the Mouse Options to be activated");
+        }
+
+        public void mouseLeft(String id) {
+            System.out.println("Need the Mouse Options to be activated");
+        }
+    }
+}