diff org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/swt/ControlObservableValue.d @ 78:0a55d2d5a946

Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
parents
children 6be48cf9f95c
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/swt/ControlObservableValue.d	Tue Apr 14 11:35:29 2009 +0200
@@ -0,0 +1,109 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2008 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Brad Reynolds - bug 164653
+ *     Matt Carter - bug 170668
+ *     Brad Reynolds - bug 170848
+ *******************************************************************************/
+module org.eclipse.jface.internal.databinding.swt.ControlObservableValue;
+
+import java.lang.all;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.core.databinding.observable.Diffs;
+import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.widgets.Control;
+
+/**
+ * @since 1.0
+ * 
+ */
+public class ControlObservableValue : AbstractSWTObservableValue {
+
+    private final Control control;
+
+    private final String attribute;
+
+    private Object valueType;
+    
+    private static Map SUPPORTED_ATTRIBUTES;
+    static this() {
+        SUPPORTED_ATTRIBUTES = new HashMap();
+        SUPPORTED_ATTRIBUTES.put(SWTProperties.ENABLED, Boolean.TYPE);
+        SUPPORTED_ATTRIBUTES.put(SWTProperties.VISIBLE, Boolean.TYPE);
+        SUPPORTED_ATTRIBUTES.put(SWTProperties.TOOLTIP_TEXT, String.classinfo);
+        SUPPORTED_ATTRIBUTES.put(SWTProperties.FOREGROUND, Color.classinfo);
+        SUPPORTED_ATTRIBUTES.put(SWTProperties.BACKGROUND, Color.classinfo);
+        SUPPORTED_ATTRIBUTES.put(SWTProperties.FONT, Font.classinfo);
+    }
+    
+    /**
+     * @param control
+     * @param attribute
+     */
+    public this(Control control, String attribute) {
+        super(control);
+        this.control = control;
+        this.attribute = attribute;
+        if (SUPPORTED_ATTRIBUTES.keySet().contains(attribute)) {
+            this.valueType = SUPPORTED_ATTRIBUTES.get(attribute); 
+        } else {
+            throw new IllegalArgumentException();
+        }
+    }
+
+    public void doSetValue(Object value) {
+        Object oldValue = doGetValue();
+        if (attribute.equals(SWTProperties.ENABLED)) {
+            control.setEnabled((cast(Boolean) value).booleanValue());
+        } else if (attribute.equals(SWTProperties.VISIBLE)) {
+            control.setVisible((cast(Boolean) value).booleanValue());
+        } else if (attribute.equals(SWTProperties.TOOLTIP_TEXT)) {
+            control.setToolTipText(cast(String) value);
+        } else if (attribute.equals(SWTProperties.FOREGROUND)) {
+            control.setForeground(cast(Color) value);
+        } else if (attribute.equals(SWTProperties.BACKGROUND)) {
+            control.setBackground(cast(Color) value);
+        } else if (attribute.equals(SWTProperties.FONT)) {
+            control.setFont(cast(Font) value);
+        }
+        fireValueChange(Diffs.createValueDiff(oldValue, value));
+    }
+
+    public Object doGetValue() {
+        if (attribute.equals(SWTProperties.ENABLED)) {
+            return control.getEnabled() ? Boolean.TRUE : Boolean.FALSE;
+        }
+        if (attribute.equals(SWTProperties.VISIBLE)) {
+            return control.getVisible() ? Boolean.TRUE : Boolean.FALSE;
+        }
+        if (attribute.equals(SWTProperties.TOOLTIP_TEXT)) {
+            return control.getToolTipText();            
+        }
+        if (attribute.equals(SWTProperties.FOREGROUND))  {
+            return control.getForeground();
+        }
+        if (attribute.equals(SWTProperties.BACKGROUND)) {
+            return control.getBackground();
+        }
+        if (attribute.equals(SWTProperties.FONT)) {
+            return control.getFont();
+        }
+        
+        return null;
+    }
+
+    public Object getValueType() {
+        return valueType;
+    }
+}