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author | Tor Norbye <tnorbye@google.com> | 2012-04-04 18:36:45 -0700 |
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committer | Tor Norbye <tnorbye@google.com> | 2012-04-05 12:04:22 -0700 |
commit | 765e52e2d30d0754625b8c7af6c36e93612f15be (patch) | |
tree | c56a08ff179924eff51f0020fe530c8fd895406b /propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java | |
parent | b33fa4c8ce6b3d2c10eaa92c5c26019d7326bd4c (diff) | |
download | eclipse-windowbuilder-765e52e2d30d0754625b8c7af6c36e93612f15be.tar.gz |
Add WindowBuilder propertysheet code. See README.txt for details.
This reverts commit b33fa4c8ce6b3d2c10eaa92c5c26019d7326bd4c.
Change-Id: I763357c42f933a52eda9b52988b785e092eac424
Diffstat (limited to 'propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java')
-rw-r--r-- | propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java new file mode 100644 index 0000000..4f80bb9 --- /dev/null +++ b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java @@ -0,0 +1,118 @@ +/******************************************************************************* + * 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.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; + +import org.eclipse.swt.graphics.GC; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.graphics.Point; + +/** + * The {@link PropertyEditor} for <code>Boolean</code>. + * + * @author scheglov_ke + * @coverage core.model.property.editor + */ +public final class BooleanObjectPropertyEditor extends PropertyEditor { + private static final Image m_nullImage = DesignerPlugin.getImage("properties/BooleanNull.png"); + private static final Image m_trueImage = DesignerPlugin.getImage("properties/true.png"); + private static final Image m_falseImage = DesignerPlugin.getImage("properties/false.png"); + //////////////////////////////////////////////////////////////////////////// + // + // Instance + // + //////////////////////////////////////////////////////////////////////////// + public static final PropertyEditor INSTANCE = new BooleanObjectPropertyEditor(); + + private BooleanObjectPropertyEditor() { + } + + //////////////////////////////////////////////////////////////////////////// + // + // 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, text, image); + } + if (value == null) { + Image image = m_nullImage; + String text = "null"; + paint(gc, x, y, width, height, text, image); + } + } + + private void paint(GC gc, int x, int y, int width, int height, String text, Image image) { + // 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 { + Object value = property.getValue(); + // null + if (value == null) { + property.setValue(true); + return; + } + // boolean + if (value instanceof Boolean) { + boolean booleanValue = ((Boolean) value).booleanValue(); + property.setValue(!booleanValue); + return; + } + // unknown + property.setValue(true); + } +}
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