diff options
| -rw-r--r-- | server/src/main/java/com/vaadin/ui/TreeGrid.java | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/server/src/main/java/com/vaadin/ui/TreeGrid.java b/server/src/main/java/com/vaadin/ui/TreeGrid.java index 1b051d1da6..a6b0fecce5 100644 --- a/server/src/main/java/com/vaadin/ui/TreeGrid.java +++ b/server/src/main/java/com/vaadin/ui/TreeGrid.java @@ -146,6 +146,30 @@ public class TreeGrid<T> extends Grid<T> * <strong>Note:</strong> Changing the Renderer of the hierarchy column is * not supported. * + * @param column + * the column to use for displaying hierarchy + */ + public void setHierarchyColumn(Column<T, ?> column) { + Objects.requireNonNull(column, "column may not be null"); + if (!getColumns().contains(column)) { + throw new IllegalArgumentException( + "Given column is not a column of this TreeGrid"); + } + column.setHidden(false); + column.setHidable(false); + getState().hierarchyColumnId = getInternalIdForColumn(column); + } + + /** + * Set the column that displays the hierarchy of this grid's data. By + * default the hierarchy will be displayed in the first column. + * <p> + * Setting a hierarchy column by calling this method also sets the column to + * be visible and not hidable. + * <p> + * <strong>Note:</strong> Changing the Renderer of the hierarchy column is + * not supported. + * * @see Column#setId(String) * * @param id |