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Diffstat (limited to 'propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanPropertyEditor.java')
-rw-r--r-- | propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanPropertyEditor.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanPropertyEditor.java b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanPropertyEditor.java new file mode 100644 index 0000000..6639afe --- /dev/null +++ b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanPropertyEditor.java @@ -0,0 +1,112 @@ +/******************************************************************************* + * Copyright (c) 2011 Google, Inc. + * 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: + * Google, Inc. - initial API and implementation + *******************************************************************************/ +package org.eclipse.wb.internal.core.model.property.editor; + +import org.eclipse.swt.graphics.GC; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.graphics.Point; +import org.eclipse.wb.internal.core.DesignerPlugin; +import org.eclipse.wb.internal.core.model.property.Property; +import org.eclipse.wb.internal.core.model.property.table.PropertyTable; +import org.eclipse.wb.internal.core.utils.ui.DrawUtils; + +/** + * The {@link PropertyEditor} for <code>boolean</code>. + * + * @author scheglov_ke + * @coverage core.model.property.editor + */ +public final class BooleanPropertyEditor extends PropertyEditor { + private static final Image m_trueImage = DesignerPlugin.getImage("properties/true.png"); + private static final Image m_falseImage = DesignerPlugin.getImage("properties/false.png"); + private static final Image m_unknownImage = + DesignerPlugin.getImage("properties/BooleanUnknown.png"); + //////////////////////////////////////////////////////////////////////////// + // + // Instance + // + //////////////////////////////////////////////////////////////////////////// + public static final PropertyEditor INSTANCE = new BooleanPropertyEditor(); + + private BooleanPropertyEditor() { + } + + //////////////////////////////////////////////////////////////////////////// + // + // Presentation + // + //////////////////////////////////////////////////////////////////////////// + @Override + public void paint(Property property, GC gc, int x, int y, int width, int height) throws Exception { + Object value = property.getValue(); + if (value instanceof Boolean) { + boolean booleanValue = ((Boolean) value).booleanValue(); + Image image = booleanValue ? m_trueImage : m_falseImage; + String text = Boolean.toString(booleanValue); + paint(gc, x, y, width, height, image, text); + } else { + paint(gc, x, y, width, height, m_unknownImage, "unknown"); + } + } + + /** + * Paints {@link Image} and text. + */ + private void paint(GC gc, int x, int y, int width, int height, Image image, String text) { + // draw image + { + DrawUtils.drawImageCV(gc, image, x, y, height); + // prepare new position/width + int imageWidth = image.getBounds().width + 2; + x += imageWidth; + width -= imageWidth; + } + // draw text + DrawUtils.drawStringCV(gc, text, x, y, width, height); + } + + //////////////////////////////////////////////////////////////////////////// + // + // Editing + // + //////////////////////////////////////////////////////////////////////////// + @Override + public boolean activate(PropertyTable propertyTable, Property property, Point location) + throws Exception { + // check that user clicked on image + if (location == null || location.x < m_trueImage.getBounds().width + 2) { + invertValue(property); + } + // don't activate + return false; + } + + @Override + public void doubleClick(Property property, Point location) throws Exception { + invertValue(property); + } + + /** + * Inverts the value of given boolean {@link Property}. + */ + private void invertValue(Property property) throws Exception { + // prepare current boolean value + boolean booleanValue = false; + { + Object value = property.getValue(); + if (value instanceof Boolean) { + booleanValue = ((Boolean) value).booleanValue(); + } + } + // set inverted value + property.setValue(!booleanValue); + } +}
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