1 files changed, 40 insertions, 0 deletions
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/changemonitor/ListEditorWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/changemonitor/ListEditorWindow.java
new file mode 100644
index 00000000..ebefd326
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/changemonitor/ListEditorWindow.java
@@ -0,0 +1,40 @@
+package org.openslx.dozmod.gui.changemonitor;
+
+import java.util.List;
+
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+
+/**
+ * For wrapping editors that contain controls to edit a list of some kind.
+ * When implementing inside a pop-up window, it should be sufficient to
+ * trigger the change event only once, when the user cancels or saves the
+ * changes, since the main window that's interested in the changes will
+ * be covered anyways during editing. 
+ */
+public interface ListEditorWindow<T> {
+	
+	public List<T> getState();
+	
+	public void addChangeListener(ChangeListener l);
+
+}
+
+class ListEditorWindowWrapper<T> extends AbstractControlWrapper<List<T>> {
+	private final ListEditorWindow<T> component;
+
+	public ListEditorWindowWrapper(DialogChangeMonitor dcm, ListEditorWindow<T> comp) {
+		super(dcm, null);
+		this.component = comp;
+
+		comp.addChangeListener(new ChangeListener() {
+			public void stateChanged(ChangeEvent e) {
+				contentChanged();
+			}
+		});
+	}
+	
+	List<T> getCurrentValue() {
+		return this.component.getState();
+	}
+}
+\ No newline at end of file