Provide API for setting row heights in Grid for different sections (#9810)

Fixes #9425

1 files changed, 92 insertions, 6 deletions

diff --git a/server/src/main/java/com/vaadin/ui/Grid.java b/server/src/main/java/com/vaadin/ui/Grid.java
index 70e947ccd8..1aca35d3ec 100644
--- a/server/src/main/java/com/vaadin/ui/Grid.java
+++ b/server/src/main/java/com/vaadin/ui/Grid.java
@@ -3012,27 +3012,113 @@ public class Grid<T> extends AbstractListing<T> implements HasComponents,
     }
 
     /**
-     * Sets the height of a row. If -1 (default), the row height is calculated
-     * based on the theme for an empty row before the Grid is displayed.
+     * Sets the height of body, header and footer rows. If -1 (default), the row
+     * height is calculated based on the theme for an empty row before the Grid
+     * is displayed.
      * <p>
      * Note that all header, body and footer rows get the same height if
      * explicitly set. In automatic mode, each section is calculated separately
      * based on an empty row of that type.
+     * 
+     * @see #setBodyRowHeight(double)
+     * @see #setHeaderRowHeight(double)
+     * @see #setFooterRowHeight(double)
      *
      * @param rowHeight
      *            The height of a row in pixels or -1 for automatic calculation
      */
     public void setRowHeight(double rowHeight) {
-        getState().rowHeight = rowHeight;
+        setBodyRowHeight(rowHeight);
+        setHeaderRowHeight(rowHeight);
+        setFooterRowHeight(rowHeight);
+    }
+
+    /**
+     * Sets the height of a body row. If -1 (default), the row height is
+     * calculated based on the theme for an empty row before the Grid is
+     * displayed.
+     * 
+     * @param rowHeight
+     *            The height of a row in pixels or -1 for automatic calculation
+     * @since 8.1.2
+     */
+    public void setBodyRowHeight(double rowHeight) {
+        getState().bodyRowHeight = rowHeight;
+    }
+
+    /**
+     * Sets the height of a header row. If -1 (default), the row height is
+     * calculated based on the theme for an empty row before the Grid is
+     * displayed.
+     *
+     * @param rowHeight
+     *            The height of a row in pixels or -1 for automatic calculation
+     * @since 8.1.2
+     */
+    public void setHeaderRowHeight(double rowHeight) {
+        getState().headerRowHeight = rowHeight;
     }
 
     /**
-     * Returns the currently explicitly set row height or -1 if automatic.
+     * Sets the height of a footer row. If -1 (default), the row height is
+     * calculated based on the theme for an empty row before the Grid is
+     * displayed.
      *
-     * @return explicitly set row height in pixels or -1 if in automatic mode
+     * @param rowHeight
+     *            The height of a row in pixels or -1 for automatic calculation
+     * @since 8.1.2
      */
+    public void setFooterRowHeight(double rowHeight) {
+        getState().footerRowHeight = rowHeight;
+    }
+
+    /**
+     * Returns the current body row height.-1 if row height is in automatic
+     * calculation mode.
+     *
+     * @see #getBodyRowHeight()
+     * @see #getHeaderRowHeight()
+     * @see #getFooterRowHeight()
+     *
+     * @return body row height
+     * @deprecated replaced by three separate row height controls
+     */
+    @Deprecated
     public double getRowHeight() {
-        return getState(false).rowHeight;
+        return getBodyRowHeight();
+    }
+
+    /**
+     * Returns the current body row height. -1 if row height is in automatic
+     * calculation mode.
+     *
+     * @return body row height
+     * @since 8.1.2
+     */
+    public double getBodyRowHeight() {
+        return getState(false).bodyRowHeight;
+    }
+
+    /**
+     * Returns the current header row height. -1 if row height is in automatic
+     * calculation mode.
+     *
+     * @return header row height
+     * @since 8.1.2
+     */
+    public double getHeaderRowHeight() {
+        return getState(false).headerRowHeight;
+    }
+
+    /**
+     * Returns the current footer row height. -1 if row height is in automatic
+     * calculation mode.
+     *
+     * @return footer row height
+     * @since 8.1.2
+     */
+    public double getFooterRowHeight() {
+        return getState(false).footerRowHeight;
     }
 
     /**