[client] Add a date picker that supports proper event for changes :)

3 files changed, 161 insertions, 54 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/QDatePickerImpl.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/QDatePickerImpl.java
new file mode 100644
index 00000000..3bd0745a
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/QDatePickerImpl.java
@@ -0,0 +1,110 @@
+package org.openslx.dozmod.gui.control;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.lang.reflect.Field;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.swing.JButton;
+import javax.swing.JFormattedTextField.AbstractFormatter;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.JTextField;
+
+import org.apache.log4j.Logger;
+import org.jdatepicker.impl.JDatePanelImpl;
+import org.jdatepicker.impl.JDatePickerImpl;
+
+@SuppressWarnings("serial")
+public class QDatePickerImpl extends JDatePickerImpl {
+
+	private static final Logger LOGGER = Logger.getLogger(QDatePickerImpl.class);
+
+	private final JButton pickButton;
+
+	private final JTextField displayTextField;
+
+	private final Set<ActionListener> actionListeners = new HashSet<>();
+
+	public QDatePickerImpl(JDatePanelImpl datePanel, AbstractFormatter formatter) {
+		super(datePanel, formatter);
+		Field cfButton = null;
+		Field cfTextField = null;
+		try {
+			cfButton = JDatePickerImpl.class.getDeclaredField("button");
+			cfButton.setAccessible(true);
+		} catch (Exception e) {
+			LOGGER.warn("Could not get button field", e);
+		}
+		try {
+			cfTextField = JDatePickerImpl.class.getDeclaredField("formattedTextField");
+			cfTextField.setAccessible(true);
+		} catch (Exception e) {
+			LOGGER.warn("Could not get text field", e);
+		}
+		JButton button = null;
+		JTextField textField = null;
+		if (cfButton != null) {
+			try {
+				button = (JButton) cfButton.get(this);
+			} catch (Exception e) {
+				LOGGER.warn("Could not get button from this", e);
+			}
+		}
+		if (cfTextField != null) {
+			try {
+				textField = (JTextField) cfTextField.get(this);
+			} catch (Exception e) {
+				LOGGER.warn("Could not get textfield from this", e);
+			}
+		}
+		pickButton = button;
+		displayTextField = textField;
+		if (displayTextField != null) {
+			displayTextField.getDocument().addDocumentListener(new DocumentListener() {
+				@Override
+				public void removeUpdate(DocumentEvent e) {
+					fireChangeEvent();
+				}
+
+				@Override
+				public void insertUpdate(DocumentEvent e) {
+					fireChangeEvent();
+				}
+
+				@Override
+				public void changedUpdate(DocumentEvent e) {
+					fireChangeEvent();
+				}
+			});
+		}
+	}
+
+	private void fireChangeEvent() {
+		if (actionListeners.isEmpty())
+			return;
+		ActionEvent ae = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "Date selected");
+		for (ActionListener al : actionListeners) {
+			al.actionPerformed(ae);
+		}
+	}
+
+	@Override
+	public void setEnabled(boolean enabled) {
+		if (pickButton != null) {
+			pickButton.setEnabled(enabled);
+		}
+		if (displayTextField != null) {
+			displayTextField.setEnabled(enabled);
+		}
+		super.setEnabled(enabled);
+	}
+
+	@Override
+	public void addActionListener(ActionListener actionListener) {
+		actionListeners.add(actionListener);
+		//super.addActionListener(actionListener);
+	}
+
+}
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java
index b8caf9ec..ac6c9a1e 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java
@@ -20,6 +20,8 @@ import java.util.Map;
 import javax.swing.DefaultComboBoxModel;
 import javax.swing.JFrame;
 import javax.swing.JOptionPane;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
 import javax.swing.event.DocumentEvent;
 import javax.swing.event.DocumentListener;
 
@@ -100,9 +102,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 
 	private boolean imageLinkChanged = false;
 
-	private Task dateChecker;
-
-	private boolean reactive = false;
+	private boolean checkForChanges = false;
 
 	/**
 	 * Constructor
@@ -120,11 +120,6 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 			public void windowClosing(WindowEvent e) {
 				safeClose();
 			}
-
-			@Override
-			public void windowClosed(WindowEvent e) {
-				dateChecker.cancel();
-			}
 		});
 
 		btnLinkImage.addActionListener(new ActionListener() {
@@ -215,6 +210,8 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 		makeEditable(false);
 		// save default color of date/time stuff to reset the background later
 		dateTimeTextColor = startDate.getForeground();
+
+		listenToChange();
 	}
 
 	/**
@@ -257,6 +254,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 	 * callback function when we received the lecture's details from the server
 	 */
 	private void fill() {
+		checkForChanges = false;
 		if (lecture == null) {
 			txtTitle.setText("-");
 			makeEditable(false);
@@ -299,9 +297,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 				endCal.get(Calendar.DATE));
 		endTime.getModel().setValue(endCal.getTime());
 
-		listenToChange();
 		makeEditable(true);
-
 		setVisible(true);
 	}
 
@@ -453,8 +449,6 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 	 * reactToChange() when actions occur
 	 */
 	private void listenToChange() {
-		if (reactive)
-			return;
 		// final step, add listeners to react to change
 		final DocumentListener docListener = new DocumentListener() {
 			@Override
@@ -487,26 +481,26 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 		cboVersions.addItemListener(comboItemListener);
 
 		// Listener to detect changes in checkboxes
-		final ActionListener checkBoxListener = new ActionListener() {
+		final ActionListener actionListener = new ActionListener() {
 			@Override
 			public void actionPerformed(ActionEvent e) {
 				reactToChange();
 			}
 		};
-		chkAutoUpdate.addActionListener(checkBoxListener);
-		chkIsExam.addActionListener(checkBoxListener);
-		chkHasInternetAccess.addActionListener(checkBoxListener);
-		chkIsActive.addActionListener(checkBoxListener);
-
-		dateChecker = new Task() {
+		ChangeListener changeListener = new ChangeListener() {
 			@Override
-			public void fire() {
+			public void stateChanged(ChangeEvent e) {
 				reactToChange();
 			}
 		};
-		QuickTimer.scheduleAtFixedRate(dateChecker, 1000, 1000);
-		reactive = true;
-
+		chkAutoUpdate.addActionListener(actionListener);
+		chkIsExam.addActionListener(actionListener);
+		chkHasInternetAccess.addActionListener(actionListener);
+		chkIsActive.addActionListener(actionListener);
+		startDate.addActionListener(actionListener);
+		endDate.addActionListener(actionListener);
+		startTime.addChangeListener(changeListener);
+		endTime.addChangeListener(changeListener);
 	}
 
 	/**
@@ -550,32 +544,34 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 	 */
 	private boolean reactToChange() {
 		boolean changed = false;
-		// version checkbox changed?
-		ImageVersionDetails currentVersion = cboVersions.getItemAt(cboVersions.getSelectedIndex());
-		if (currentVersion != null && !currentVersion.getVersionId().equals(lecture.getImageVersionId())) {
-			changed = true;
-		} else if ((DateTimeHelper.getDateFrom(startDate, startTime).getTime() / 1000L) != lecture.getStartTime()
-				|| (DateTimeHelper.getDateFrom(endDate, endTime).getTime() / 1000L) != lecture.getEndTime()) {
-			changed = true;
-		} else if (!txtTitle.getText().isEmpty() && !txtTitle.getText().equals(lecture.getLectureName())) {
-			changed = true;
-		} else if (!txtDescription.getText().isEmpty()
-				&& !txtDescription.getText().equals(lecture.getDescription())) {
-			changed = true;
-		} else if (chkAutoUpdate.isSelected() != lecture.autoUpdate) {
-			changed = true;
-		} else if (chkIsExam.isSelected() != lecture.isExam) {
-			changed = true;
-		} else if (chkHasInternetAccess.isSelected() != lecture.hasInternetAccess) {
-			changed = true;
-		} else if (chkIsActive.isSelected() != lecture.isEnabled) {
-			changed = true;
-		} else if (permissionsChanged) {
-			changed = true;
-		} else if (imageLinkChanged) {
-			changed = true;
+		if (lecture != null && checkForChanges) {
+			// version checkbox changed?
+			int vIndex = cboVersions.getSelectedIndex();
+			ImageVersionDetails currentVersion = vIndex == -1 ? null : cboVersions.getItemAt(vIndex);
+			if (currentVersion != null && !currentVersion.getVersionId().equals(lecture.getImageVersionId())) {
+				changed = true;
+			} else if ((DateTimeHelper.getDateFrom(startDate, startTime).getTime() / 1000L) != lecture.getStartTime()
+					|| (DateTimeHelper.getDateFrom(endDate, endTime).getTime() / 1000L) != lecture.getEndTime()) {
+				changed = true;
+			} else if (!txtTitle.getText().isEmpty() && !txtTitle.getText().equals(lecture.getLectureName())) {
+				changed = true;
+			} else if (!txtDescription.getText().isEmpty()
+					&& !txtDescription.getText().equals(lecture.getDescription())) {
+				changed = true;
+			} else if (chkAutoUpdate.isSelected() != lecture.autoUpdate) {
+				changed = true;
+			} else if (chkIsExam.isSelected() != lecture.isExam) {
+				changed = true;
+			} else if (chkHasInternetAccess.isSelected() != lecture.hasInternetAccess) {
+				changed = true;
+			} else if (chkIsActive.isSelected() != lecture.isEnabled) {
+				changed = true;
+			} else if (permissionsChanged) {
+				changed = true;
+			} else if (imageLinkChanged) {
+				changed = true;
+			}
 		}
-
 		btnSaveChanges.setEnabled(changed);
 		return changed;
 	}
@@ -602,6 +598,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 		endDate.setEnabled(editable);
 		endTime.setEnabled(editable);
 		btnDownloadImage.setEnabled(ImagePerms.canDownload(image));
+		checkForChanges = editable;
 	}
 
 	/**
@@ -634,7 +631,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 	 ********************************************************************************/
 	@Override
 	public boolean wantConfirmQuit() {
-		return reactToChange() && btnSaveChanges.isEnabled();
+		return reactToChange();
 	}
 
 	@Override
@@ -650,7 +647,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 	private void safeClose() {
 		if (reactToChange()
 				&& !Gui.showMessageBox(me, "Änderungen werden verworfen, wollen Sie wirklich abbrechen?",
-						MessageType.QUESTION_YESNO, LOGGER, null))
+						MessageType.QUESTION_YESNO, null, null))
 			return;
 		dispose();
 	}
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/LectureDetailsWindowLayout.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/LectureDetailsWindowLayout.java
index 3a902b25..94f5ad21 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/LectureDetailsWindowLayout.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/LectureDetailsWindowLayout.java
@@ -15,7 +15,6 @@ import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
-import javax.swing.JComboBox;
 import javax.swing.JDialog;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
@@ -33,6 +32,7 @@ import org.openslx.bwlp.thrift.iface.ImageVersionDetails;
 import org.openslx.dozmod.gui.control.ComboBox;
 import org.openslx.dozmod.gui.control.ComboBox.ComboBoxRenderer;
 import org.openslx.dozmod.gui.control.PersonLabel;
+import org.openslx.dozmod.gui.control.QDatePickerImpl;
 import org.openslx.dozmod.gui.control.QLabel;
 import org.openslx.dozmod.gui.helper.GridManager;
 import org.openslx.dozmod.util.DateLabelFormatter;
@@ -54,7 +54,7 @@ public abstract class LectureDetailsWindowLayout extends JDialog {
 	protected final QLabel lblStartTime;
 	protected final QLabel lblEndTime;
 	protected final JCheckBox chkAutoUpdate;
-	protected final JComboBox<ImageVersionDetails> cboVersions;
+	protected final ComboBox<ImageVersionDetails> cboVersions;
 	protected final JCheckBox chkIsExam;
 	protected final JCheckBox chkHasInternetAccess;
 	protected final JCheckBox chkIsActive;
@@ -150,7 +150,7 @@ public abstract class LectureDetailsWindowLayout extends JDialog {
 
 		// start time of the lecture
 		JPanel startTimePanel = new JPanel(new BorderLayout());
-		startDate = new JDatePickerImpl(new JDatePanelImpl(new UtilDateModel(new Date()), pickerStrings),
+		startDate = new QDatePickerImpl(new JDatePanelImpl(new UtilDateModel(new Date()), pickerStrings),
 				new DateLabelFormatter());
 		startTime = makeTimeSpinner(23, 59);
 		startTimePanel.add(startDate, BorderLayout.WEST);
@@ -162,7 +162,7 @@ public abstract class LectureDetailsWindowLayout extends JDialog {
 
 		// end time of the lecture
 		JPanel endTimePanel = new JPanel(new BorderLayout());
-		endDate = new JDatePickerImpl(new JDatePanelImpl(new UtilDateModel(new Date()), pickerStrings),
+		endDate = new QDatePickerImpl(new JDatePanelImpl(new UtilDateModel(new Date()), pickerStrings),
 				new DateLabelFormatter());
 		endTime = makeTimeSpinner(00, 59);
 		endTimePanel.add(endDate, BorderLayout.WEST);