1 files changed, 30 insertions, 0 deletions
diff --git a/dozentenmodul/src/main/java/gui/helper/ColumnSelector.java b/dozentenmodul/src/main/java/gui/helper/ColumnSelector.java
new file mode 100644
index 00000000..45929614
--- /dev/null
+++ b/dozentenmodul/src/main/java/gui/helper/ColumnSelector.java
@@ -0,0 +1,30 @@
+package gui.helper;
+
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+
+import javax.swing.AbstractButton;
+import javax.swing.JTable;
+
+public class ColumnSelector implements ItemListener {
+
+	private final JTable table;
+	private final Integer[] columns;
+
+	public ColumnSelector(JTable table, Integer... columns) {
+		this.table = table;
+		this.columns = columns;
+	}
+
+	public void itemStateChanged(ItemEvent e) {
+		if (!(e.getSource() instanceof AbstractButton))
+			return;
+		Boolean checked = e.getStateChange() == ItemEvent.SELECTED;
+		for (int x = 0, y = table.getRowCount(); x < y; x++) {
+			for (Integer col : columns) {
+				table.setValueAt(checked, x, col);
+			}
+		}
+	}
+
+}