colors helping a user manually enter project paths

tools/cooja/java/se/sics/cooja/dialogs/ProjectDirectoriesDialog.java

@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: ProjectDirectoriesDialog.java,v 1.2 2007/04/02 10:32:37 fros4943 Exp $
+ * $Id: ProjectDirectoriesDialog.java,v 1.3 2007/04/11 14:00:27 fros4943 Exp $
  */
 
 package se.sics.cooja.dialogs;
@@ -306,11 +306,15 @@ public class ProjectDirectoriesDialog extends JDialog {
     button = new JButton("Add manually");
     button.addActionListener(new ActionListener() {
       public void actionPerformed(ActionEvent e) {
-        String newProjectPath = JOptionPane.showInputDialog(myDialog,
-            "Enter path to project directory", "Enter path",
-            JOptionPane.QUESTION_MESSAGE);
-        if (newProjectPath != null) {
-          addProjectDir(new File(newProjectPath));
+        ProjectDirectoryInputDialog pathDialog = new ProjectDirectoryInputDialog(myParentFrame);
+        pathDialog.pack();
+
+        pathDialog.setLocationRelativeTo(myParentFrame);
+        pathDialog.setVisible(true);
+
+        File projectPath = pathDialog.getProjectDirectory();
+        if (projectPath != null) {
+          addProjectDir(projectPath);
         }
       }
     });

tools/cooja/java/se/sics/cooja/dialogs/ProjectDirectoryInputDialog.java

@@ -0,0 +1,139 @@
+package se.sics.cooja.dialogs;
+
+import java.beans.*;
+import java.io.File;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.event.*;
+import org.apache.log4j.Logger;
+
+import se.sics.cooja.GUI;
+
+class ProjectDirectoryInputDialog extends JDialog implements ActionListener, PropertyChangeListener {
+  private static Logger logger = Logger.getLogger(ProjectDirectoryInputDialog.class);
+
+  private File projectDirectoryPath = null;
+  private JTextField textField;
+
+  private JOptionPane optionPane;
+
+  private String buttonAdd = "Add";
+  private String buttonCancel = "Cancel";
+
+  public ProjectDirectoryInputDialog(Frame parent) {
+    super(parent, true);
+
+    setTitle("Enter path");
+
+    textField = new JTextField(10);
+    textField.getDocument().addDocumentListener(new DocumentListener() {
+      public void insertUpdate(DocumentEvent e) {
+        pathChanged();
+      }
+      public void removeUpdate(DocumentEvent e) {
+        pathChanged();
+      }
+      public void changedUpdate(DocumentEvent e) {
+        pathChanged();
+      }
+    });    
+
+    Object[] objects = {"Enter path to project directory", textField};
+    Object[] options = {buttonAdd, buttonCancel};
+
+    optionPane = new JOptionPane(objects,
+        JOptionPane.QUESTION_MESSAGE,
+        JOptionPane.YES_NO_OPTION,
+        null,
+        options,
+        options[0]);
+
+    setContentPane(optionPane);
+
+    setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
+    addWindowListener(new WindowAdapter() {
+      public void windowClosing(WindowEvent we) {
+        optionPane.setValue(new Integer(
+            JOptionPane.CLOSED_OPTION));
+      }
+    });
+
+    addComponentListener(new ComponentAdapter() {
+      public void componentShown(ComponentEvent ce) {
+        textField.requestFocusInWindow();
+      }
+    });
+
+    textField.addActionListener(this);
+    optionPane.addPropertyChangeListener(this);
+
+    SwingUtilities.invokeLater(new Runnable() {
+      public void run() {
+        pathChanged();
+      }
+    });
+  }
+
+  public File getProjectDirectory() {
+    return projectDirectoryPath;
+  }
+
+  private void pathChanged() {
+    String newPath = textField.getText();
+    File projectDir = new File(newPath);
+    if (!projectDir.exists()) {
+      textField.setBackground(Color.RED);
+      textField.setToolTipText("Directory does not exist");
+      return;
+    }
+
+    if (!projectDir.isDirectory()) {
+      textField.setBackground(Color.RED);
+      textField.setToolTipText("Not a directory");
+      return;
+    }
+
+    if (!new File(projectDir, GUI.PROJECT_CONFIG_FILENAME).exists()) {
+      textField.setBackground(Color.LIGHT_GRAY);
+      textField.setToolTipText("No configuration file found");
+      return;
+    }
+
+    textField.setBackground(Color.WHITE);
+    textField.setToolTipText("");
+  }
+
+  public void actionPerformed(ActionEvent e) {
+    optionPane.setValue(buttonAdd);
+  }
+
+  public void propertyChange(PropertyChangeEvent e) {
+    String prop = e.getPropertyName();
+    if (isVisible() && (e.getSource() == optionPane)
+        && (JOptionPane.VALUE_PROPERTY.equals(prop) ||
+            JOptionPane.INPUT_VALUE_PROPERTY.equals(prop))) {
+      Object value = optionPane.getValue();
+
+      if (value == JOptionPane.UNINITIALIZED_VALUE) {
+        return;
+      }
+
+      optionPane.setValue(
+          JOptionPane.UNINITIALIZED_VALUE);
+
+      if (buttonAdd.equals(value)) {
+        projectDirectoryPath = new File(textField.getText());
+        close();
+      } else {
+        projectDirectoryPath = null;
+        close();
+      }
+    }
+  }
+
+  public void close() {
+    textField.setText(null);
+    setVisible(false);
+  }
+}