Mercurial > projects > dwt2
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> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 6be48cf9f95c |
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--- /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; + } +}