X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;ds=inline;f=org.argeo.eclipse.ui%2Fsrc%2Forg%2Fargeo%2Feclipse%2Fui%2FEclipseUiUtils.java;h=36b8e345976c703297c4ed3984c511e590ff231a;hb=43f4cfb5bf7a475a6b92831f3077a3c7d6aed82e;hp=2a17d285cc106835022597545ec5a13e6840e92e;hpb=9026a86b983ee8d99ce90a88c78d6d37d7877eec;p=lgpl%2Fargeo-commons.git

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 2a17d285c..36b8e3459 100644
--- 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
 	//
@@ -49,10 +86,20 @@ public class EclipseUiUtils {
 		return grabWidth(SWT.FILL, SWT.FILL);
 	}
 
+	public static GridData fillWidth(int colSpan) {
+		GridData gd = grabWidth(SWT.FILL, SWT.FILL);
+		gd.horizontalSpan = colSpan;
+		return gd;
+	}
+
 	public static GridData fillAll() {
 		return new GridData(SWT.FILL, SWT.FILL, true, true);
 	}
 
+	public static GridData fillAll(int colSpan, int rowSpan) {
+		return new GridData(SWT.FILL, SWT.FILL, true, true, colSpan, rowSpan);
+	}
+
 	public static GridData grabWidth(int horizontalAlignment,
 			int verticalAlignment) {
 		return new GridData(horizontalAlignment, horizontalAlignment, true,
@@ -136,31 +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());
-	}
 }
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