Remove empty lines

[lgpl/argeo-commons.git] / org.argeo.eclipse.ui / src / org / argeo / eclipse / ui / EclipseUiUtils.java

diff --git a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/EclipseUiUtils.java b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/EclipseUiUtils.java
index 52eaf9b8412fb97e47924df53646fffff6286847..36b8e345976c703297c4ed3984c511e590ff231a 100644 (file)
--- a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/EclipseUiUtils.java
+++ b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/EclipseUiUtils.java
@@ -24,12 +24,49 @@ import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 
 /** Utilities to simplify UI development. */
 public class EclipseUiUtils {
 
+       /** Dispose all children of a Composite */
+       public static void clear(Composite composite) {
+               for (Control child : composite.getChildren())
+                       child.dispose();
+       }
+
+       /**
+        * Enables efficient call to the layout method of a composite, refreshing
+        * only some of the children controls.
+        */
+       public static void layout(Composite parent, Control... toUpdateControls) {
+               parent.layout(toUpdateControls);
+       }
+
+       //
+       // FONTS
+       //
+       /** Shortcut to retrieve default italic font from display */
+       public static Font getItalicFont(Composite parent) {
+               return JFaceResources.getFontRegistry().defaultFontDescriptor()
+                               .setStyle(SWT.ITALIC).createFont(parent.getDisplay());
+       }
+
+       /** Shortcut to retrieve default bold font from display */
+       public static Font getBoldFont(Composite parent) {
+               return JFaceResources.getFontRegistry().defaultFontDescriptor()
+                               .setStyle(SWT.BOLD).createFont(parent.getDisplay());
+       }
+
+       /** Shortcut to retrieve default bold italic font from display */
+       public static Font getBoldItalicFont(Composite parent) {
+               return JFaceResources.getFontRegistry().defaultFontDescriptor()
+                               .setStyle(SWT.BOLD | SWT.ITALIC)
+                               .createFont(parent.getDisplay());
+       }
+       
        //
        // Simplify grid layouts management
        //
@@ -146,31 +183,9 @@ public class EclipseUiUtils {
                lbl.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
                Text txt = new Text(parent, SWT.LEAD | SWT.BORDER | SWT.PASSWORD);
                txt.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
-               if (txt != null)
+               if (modifyListener != null)
                        txt.addModifyListener(modifyListener);
                return txt;
        }
 
-       //
-       // FONTS
-       //
-
-       /** Shortcut to retrieve default italic font from display */
-       public static Font getItalicFont(Composite parent) {
-               return JFaceResources.getFontRegistry().defaultFontDescriptor()
-                               .setStyle(SWT.ITALIC).createFont(parent.getDisplay());
-       }
-
-       /** Shortcut to retrieve default bold font from display */
-       public static Font getBoldFont(Composite parent) {
-               return JFaceResources.getFontRegistry().defaultFontDescriptor()
-                               .setStyle(SWT.BOLD).createFont(parent.getDisplay());
-       }
-
-       /** Shortcut to retrieve default bold italic font from display */
-       public static Font getBoldItalicFont(Composite parent) {
-               return JFaceResources.getFontRegistry().defaultFontDescriptor()
-                               .setStyle(SWT.BOLD | SWT.ITALIC)
-                               .createFont(parent.getDisplay());
-       }
 }
\ No newline at end of file