Introduce SWT hierarchical part

[lgpl/argeo-commons.git] / eclipse / org.argeo.cms.swt / src / org / argeo / cms / swt / CmsSwtUtils.java

diff --git a/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/CmsSwtUtils.java b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/CmsSwtUtils.java
index 701de2827f1f68f064220b6d2decc486c7d1e956..3ff747949c5553d0fa0694e13f6eb323ad1e772c 100644 (file)
--- a/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/CmsSwtUtils.java
+++ b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/CmsSwtUtils.java
@@ -11,6 +11,7 @@ import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
+import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.layout.RowData;
@@ -19,6 +20,7 @@ import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Layout;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.swt.widgets.Widget;
@@ -99,6 +101,23 @@ public class CmsSwtUtils {
                sendEventOnSelect(control, topic, properties);
        }
 
+       /*
+        * LAYOUT INDEPENDENT
+        */
+       /** Takes the most space possible, depending on parent layout. */
+       public static void fill(Control control) {
+               Layout parentLayout = control.getParent().getLayout();
+               if (parentLayout == null)
+                       throw new IllegalStateException("Parent layout is not set");
+               if (parentLayout instanceof GridLayout) {
+                       control.setLayoutData(fillAll());
+               } else if (parentLayout instanceof FormLayout) {
+                       control.setLayoutData(coverAll());
+               } else {
+                       throw new IllegalArgumentException("Unsupported parent layout  " + parentLayout.getClass().getName());
+               }
+       }
+
        /*
         * GRID LAYOUT
         */