public HecataeusNodePolicies(
final VisualizationViewer<VisualNode, VisualEdge> vv, final VisualNode node) {
this.setSize(500, 500);
this.setTitle("Policies for: " + node.getName());
this.setModal(true);
setLocationRelativeTo(vv);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
this.node = node;
this.vv = vv;
// get current graph
Layout<VisualNode, VisualEdge> ll = vv.getGraphLayout();
graph = (VisualGraph) ll.getGraph();
jTabbedPane = new JTabbedPane();
// tab for edit existing policies
view = new JScrollPane();
jTextArea = new JTextArea();
jTextArea.setEditable(false);
view.setViewportView((Component) jTextArea);
jTabbedPane.addTab(" View ", view);
// tab for add policy
add = new JPanel();
jTabbedPane.addTab(" Add ", add);
GridBagLayout gridbag = new GridBagLayout();
HecataeusGridBagConstraints constraints = new HecataeusGridBagConstraints();
add.setLayout(gridbag);
// label for top level node
constraints.reset(0, 0, 1, 1, 0, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelNode = new JLabel("Choose a top level node: ", JLabel.LEFT);
gridbag.setConstraints(labelNode, constraints);
add.add(labelNode);
// combo box for top level node
comboBoxEventNodeParent = new JComboBox();
constraints.reset(1, 0, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.HORIZONTAL;
gridbag.setConstraints(comboBoxEventNodeParent, constraints);
comboBoxEventNodeParent.addItem(null);
// fill comboBox for Node selection
for (VisualNode parentNode : graph.getVertices()) {
if (parentNode.getType().getCategory() == NodeCategory.MODULE) {
comboBoxEventNodeParent.addItem(parentNode);
}
}
// add action listener to fill childcombo
comboBoxEventNodeParent.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// get key for parent node
VisualNode parentNode = (VisualNode) comboBoxEventNodeParent.getSelectedItem();
// reset child combo
comboBoxEventNodeChild.removeAllItems();
if (parentNode != null) {
// get descendant nodes
List<VisualNode> subGraph = graph.getModule(parentNode);
for (VisualNode childNode : subGraph) {
// filter only these nodes that are adjacent to node assigned the policy
// including the node itself
if ((node.equals(childNode))) {
comboBoxEventNodeChild.addItem(childNode);
} else {
for (VisualEdge outEdge : node.getOutEdges()) {
if ((node.equals(childNode)) || (outEdge.getToNode().equals(childNode)))
comboBoxEventNodeChild.addItem(childNode);
}
}
}
}
}
});
add.add(comboBoxEventNodeParent);
// label for low level node
constraints.reset(0, 1, 1, 1, 0, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
labelNode = new JLabel("Set the event node: ", JLabel.LEFT);
gridbag.setConstraints(labelNode, constraints);
add.add(labelNode);
// combo box for low level node
constraints.reset(1, 1, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.HORIZONTAL;
comboBoxEventNodeChild = new JComboBox();
gridbag.setConstraints(comboBoxEventNodeChild, constraints);
// add action listener to fill event types
comboBoxEventNodeChild.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
VisualNode eventNode = (VisualNode) comboBoxEventNodeChild.getSelectedItem();
// reset event combo
comboBoxEventType.removeAllItems();
if (eventNode != null) {
// fill appropriate event types
for (EventType eventType : EventType.values(eventNode.getType())) {
comboBoxEventType.addItem(eventType);
}
}
}
});
add.add(comboBoxEventNodeChild);
// label for event type
constraints.reset(0, 2, 1, 1, 0, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelEventType = new JLabel("Set the event type: ", JLabel.LEFT);
gridbag.setConstraints(labelEventType, constraints);
add.add(labelEventType);
// combo box fox event type
constraints.reset(1, 2, 1, 1, 90, 0);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
comboBoxEventType = new JComboBox();
gridbag.setConstraints(comboBoxEventType, constraints);
add.add(comboBoxEventType);
// label for policy type
constraints.reset(0, 3, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelPolicyType = new JLabel("Set the policy type: ", JLabel.LEFT);
gridbag.setConstraints(labelPolicyType, constraints);
add.add(labelPolicyType);
// combo box for policy type
constraints.reset(1, 3, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.anchor = GridBagConstraints.WEST;
comboBoxPolicyType = new JComboBox();
gridbag.setConstraints(comboBoxPolicyType, constraints);
add.add(comboBoxPolicyType);
// OK button
constraints.reset(0, 4, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
okAddButton = new JButton("Add Policy");
gridbag.setConstraints(okAddButton, constraints);
add.add(okAddButton);
okAddButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// get informations from comboBoxes
// get event type
EventType eventType = (EventType) comboBoxEventType.getSelectedItem();
// get policy type
PolicyType policyType = (PolicyType) comboBoxPolicyType.getSelectedItem();
// get event node
VisualNode eventNode = (VisualNode) comboBoxEventNodeChild.getSelectedItem();
if (eventNode != null) {
// create and add selected policy
EvolutionPolicy<VisualNode> newPolicy =
new EvolutionPolicy<VisualNode>(eventType, policyType);
EvolutionPolicies policies = node.getPolicies();
if (policies.get(eventType) != null) {
if (JOptionPane.showConfirmDialog(
null,
"This policy already exists! Do you want to replace it?",
"Warning Message",
JOptionPane.YES_NO_OPTION)
== JOptionPane.YES_OPTION) {
node.addPolicy(newPolicy);
}
} else {
node.addPolicy(newPolicy);
}
vv.repaint();
initialize();
}
} // end actionPerformed
}); // end actionListener
// Cancel button
constraints.reset(1, 4, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.CENTER;
JButton cancelAddButton = new JButton("Cancel");
gridbag.setConstraints(cancelAddButton, constraints);
cancelAddButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
}
});
add.add(cancelAddButton);
// tab for remove policy
remove = new JPanel();
jTabbedPane.addTab(" Remove ", remove);
remove.setLayout(gridbag);
// label for remove policy
constraints.reset(0, 0, 1, 1, 10, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelPolicy = new JLabel("Choose policy to remove: ", JLabel.LEFT);
gridbag.setConstraints(labelPolicy, constraints);
remove.add(labelPolicy);
// combo box fox policy
constraints.reset(1, 0, 1, 1, 90, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
comboBoxPolicies = new JComboBox();
gridbag.setConstraints(comboBoxPolicies, constraints);
remove.add(comboBoxPolicies);
// OK button
constraints.reset(0, 2, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
okRemoveButton = new JButton("Remove policy");
gridbag.setConstraints(okRemoveButton, constraints);
remove.add(okRemoveButton);
okRemoveButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
EvolutionPolicy<VisualNode> policyToRemove =
(EvolutionPolicy<VisualNode>) comboBoxPolicies.getSelectedItem();
// get node
node.removePolicy(policyToRemove);
vv.repaint();
initialize();
}
});
// Cancel button
constraints.reset(1, 2, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.CENTER;
JButton cancelRemoveButton = new JButton("Cancel");
gridbag.setConstraints(cancelRemoveButton, constraints);
cancelRemoveButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
}
});
remove.add(cancelRemoveButton);
initialize();
setContentPane(jTabbedPane);
setVisible(true);
} // end constructor
