[client] TableColumnAdjuster: Use weighted scaling, so one very wide entry won't make the column too wide

1 files changed, 20 insertions, 6 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableColumnAdjuster.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableColumnAdjuster.java
index 9b1ca7d6..2066791f 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableColumnAdjuster.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableColumnAdjuster.java
@@ -113,19 +113,32 @@ public class TableColumnAdjuster implements PropertyChangeListener, TableModelLi
 	 * column.
 	 */
 	private int getColumnDataWidth(int column) {
-		if (!isColumnDataIncluded)
+		if (!isColumnDataIncluded || table.getRowCount() == 0)
 			return 0;
 
 		int preferredWidth = 0;
 		int maxWidth = table.getColumnModel().getColumn(column).getMaxWidth();
+		int[] colWidth = new int[table.getRowCount()];
+		int avg = 0;
 
-		for (int row = 0; row < table.getRowCount(); row++) {
-			preferredWidth = Math.max(preferredWidth, getCellDataWidth(row, column));
+		for (int row = 0; row < colWidth.length; row++) {
+			colWidth[row] = getCellDataWidth(row, column);
+			avg += colWidth[row];
+		}
+		avg /= colWidth.length;
 
+		int upperCap = avg * 3 + 20;
+		for (int row = 0; row < colWidth.length; row++) {
+			if (colWidth[row] > upperCap) {
+				return upperCap;
+			}
+			if (colWidth[row] > preferredWidth) {
+				preferredWidth = colWidth[row];
+			}
 			// We've exceeded the maximum width, no need to check other rows
-
-			if (preferredWidth >= maxWidth)
+			if (preferredWidth >= maxWidth) {
 				break;
+			}
 		}
 
 		return preferredWidth;
@@ -321,7 +334,8 @@ public class TableColumnAdjuster implements PropertyChangeListener, TableModelLi
 	/*
 	 * Update the input and action maps with new ToggleAction
 	 */
-	private void installToggleAction(boolean isToggleDynamic, boolean isToggleLarger, String key, String keyStroke) {
+	private void installToggleAction(boolean isToggleDynamic, boolean isToggleLarger, String key,
+			String keyStroke) {
 		Action action = new ToggleAction(isToggleDynamic, isToggleLarger);
 		KeyStroke ks = KeyStroke.getKeyStroke(keyStroke);
 		table.getInputMap().put(ks, key);