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public Fenetre(String nom){
super(nom);
panel = new JPanel();
panel.setLayout(new BorderLayout());
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
this.centre = new Centre();
this.connexion = new Connexion();
this.cardLayout = new CardLayout();
buildTree();
// Application de l'afficheur à l'arbre.
tree.setCellRenderer(new DefaultTreeCellRenderer() {
private static final long serialVersionUID = 1L;
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded,
boolean leaf, int row, boolean hasFocus) {
if ( value instanceof TypedDefaultMutableTreeNode ) {
TypedDefaultMutableTreeNode node = (TypedDefaultMutableTreeNode) value;
value = node.getType()+": " + node.getName();
}
return super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
}
});
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
panel.add(centre,BorderLayout.CENTER);
tree.setPreferredSize(new Dimension(300,750));
panel.add(new JScrollPane(tree),BorderLayout.WEST);
menuBar.add(file);
menuBar.add(param);
menuBar.add(jeu);
this.menuItem1.setBackground(new Color(253,147,198));
this.menuItem2.setBackground(new Color(253,147,198));
this.menuItem3.setBackground(new Color(253,147,198));
this.menuItem4.setBackground(new Color(253,147,198));
this.menuItem5.setBackground(new Color(253,147,198));
this.menuItem6.setBackground(new Color(253,147,198));
this.menuItem7.setBackground(new Color(253,147,198));
this.menuItem8.setBackground(new Color(253,147,198));
this.menuItem9.setBackground(new Color(253,147,198));
file.add(menuItem1);
file.add(menuItem2);
file.add(menuItem3);
file.add(menuItem4);
file.add(menuItem5);
param.add(menuItem6);
param.add(menuItem7);
param.add(menuItem8);
param.add(menuItem9);
this.menuBar.setBackground(new Color(252,73,158));
setJMenuBar(menuBar);
main = new JPanel (cardLayout);
main.add("connexion",connexion);
main.add("panel",panel);
this.add(main);
this.setResizable(false);
this.pack();
this.setSize(400,250);
this.setVisible(true);
this.myActionListener = new MyActionListener(centre,connexion,this,tree);
this.control = new Control(centre,connexion,myActionListener,this,myDocumentListener);
myActionListener.addControl(control);
myDocumentListener.addControl(control);
}
private void buildTree(){
//Nous créons, avec notre hiérarchie, un arbre
tree = new JTree(racine);
//Que nous plaçons sur le ContentPane de notre JFrame à l'aide d'un scroll
this.getContentPane().add(new JScrollPane(tree));
}
public void createTable(JTree tree) {
String nomDeLaTable = JOptionPane.showInputDialog(tree,"Nom de la table");
if ( nomDeLaTable!=null ) {
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
DefaultMutableTreeNode root = (DefaultMutableTreeNode) model.getRoot();
TypedDefaultMutableTreeNode node = lookFor(root, NodeType.TABLE, nomDeLaTable);
if ( node!=null ) {
JOptionPane.showMessageDialog(tree, "Cette table existe déjà");
}
else {
TypedDefaultMutableTreeNode newNode = new TypedDefaultMutableTreeNode(NodeType.TABLE, nomDeLaTable);
model.insertNodeInto(newNode, root, root.getChildCount());
model.reload(newNode);
Object[] path = {root, newNode};
tree.setSelectionPath(new TreePath(path));
}
}
}
public void addAttribute(JTree tree) {
TreePath path = tree.getSelectionPath();
TypedDefaultMutableTreeNode node = (TypedDefaultMutableTreeNode) path.getLastPathComponent();
if (node.getType()==NodeType.TABLE ) {
addAttribute(tree, node);
}
}
private void addAttribute(JTree tree, TypedDefaultMutableTreeNode tableNode) {
System.out.println("2");
JTextField nameField = new JTextField();
JTextField valueField = new JTextField();
Object[] message = {
"Nom de l'attribut:", nameField,
"Valeur de l'attribut:", valueField
};
int option = JOptionPane.showConfirmDialog(tree, message, "Ajouter un attribut", JOptionPane.OK_CANCEL_OPTION);
if (option == JOptionPane.OK_OPTION) {
if ( nameField.getText().trim().isEmpty() ) {
JOptionPane.showMessageDialog(tree, "Le nom de l'attribut est obligatoire");
} else {
String name = nameField.getText().trim();
String value = valueField.getText();
TypedDefaultMutableTreeNode attributeNode = new TypedDefaultMutableTreeNode(NodeType.ATTRIBUTE, name);
TypedDefaultMutableTreeNode valueNode = new TypedDefaultMutableTreeNode(NodeType.VALUE, value);
attributeNode.add(valueNode);
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
model.insertNodeInto(attributeNode, tableNode, tableNode.getChildCount());
model.reload(attributeNode);
Object[] path = {model.getRoot(), tableNode, attributeNode};
TreePath treePath = new TreePath(path);
tree.setSelectionPath(treePath);
tree.expandPath(treePath);
}
}
}
private TypedDefaultMutableTreeNode lookFor(TreeNode parent, NodeType nodeType, String name) {
for(int i=0; i<parent.getChildCount(); i++) {
TreeNode child = parent.getChildAt(i);
if ( child instanceof TypedDefaultMutableTreeNode ) {
TypedDefaultMutableTreeNode node = (TypedDefaultMutableTreeNode) child;
if ( nodeType!=null && node.getType()!=nodeType ) {
continue;
}
if ( node.getName().equals(name) ) {
return node;
}
}
if ( child.getAllowsChildren() && !child.isLeaf() ) {
TypedDefaultMutableTreeNode found = lookFor(child, nodeType, name);
if ( found!=null ) {
return found;
}
}
}
return null;
}
public enum NodeType {
TABLE(true),
ATTRIBUTE(true),
VALUE(false);
private final boolean allowsChildren;
private NodeType(boolean allowsChildren) {
this.allowsChildren=allowsChildren;
}
public boolean allowsChildren() {
return allowsChildren;
}
}
public class TypedDefaultMutableTreeNode extends DefaultMutableTreeNode {
private static final long serialVersionUID = 1L;
private final NodeType type;
public TypedDefaultMutableTreeNode(NodeType type, String name) {
super(name, type.allowsChildren());
this.type=type;
}
public NodeType getType() {
return type;
}
public String getName() {
return (String) getUserObject();
}
} |
JTree: Problème de modification
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