Mercurial > projects > dwt2
view org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/swt/ControlObservableValue.d @ 85:6be48cf9f95c
Work on databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 18 Apr 2009 13:54:50 +0200 |
parents | 0a55d2d5a946 |
children |
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/******************************************************************************* * 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 org.eclipse.jface.internal.databinding.swt.SWTProperties; 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, Class.fromType!(String)); SUPPORTED_ATTRIBUTES.put(SWTProperties.FOREGROUND, Class.fromType!(Color)); SUPPORTED_ATTRIBUTES.put(SWTProperties.BACKGROUND, Class.fromType!(Color)); SUPPORTED_ATTRIBUTES.put(SWTProperties.FONT, Class.fromType!(Font)); } /** * @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(null); } } 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(stringcast(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 stringcast(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; } }