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Diffstat (limited to 'propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/DoubleObjectPropertyEditor.java')
-rw-r--r-- | propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/DoubleObjectPropertyEditor.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/DoubleObjectPropertyEditor.java b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/DoubleObjectPropertyEditor.java new file mode 100644 index 0000000..bb7dfc5 --- /dev/null +++ b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/DoubleObjectPropertyEditor.java @@ -0,0 +1,92 @@ +/******************************************************************************* + * 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.ModelMessages; +import org.eclipse.wb.internal.core.model.property.Property; +import org.eclipse.wb.internal.core.utils.ui.UiUtils; + +import java.text.MessageFormat; + +/** + * The {@link PropertyEditor} for {@link Double}. + * + * @author scheglov_ke + * @coverage core.model.property.editor + */ +public final class DoubleObjectPropertyEditor extends AbstractTextPropertyEditor { + //////////////////////////////////////////////////////////////////////////// + // + // Instance + // + //////////////////////////////////////////////////////////////////////////// + public static final DoubleObjectPropertyEditor INSTANCE = new DoubleObjectPropertyEditor(); + + private DoubleObjectPropertyEditor() { + } + + //////////////////////////////////////////////////////////////////////////// + // + // Presentation + // + //////////////////////////////////////////////////////////////////////////// + @Override + public String getText(Property property) throws Exception { + Object value = property.getValue(); + if (value == null) { + return "null"; + } + if (value instanceof Double) { + return value.toString(); + } + return null; + } + + //////////////////////////////////////////////////////////////////////////// + // + // Editing + // + //////////////////////////////////////////////////////////////////////////// + @Override + protected String getEditorText(Property property) throws Exception { + return getText(property); + } + + @Override + protected boolean setEditorText(Property property, String text) throws Exception { + text = text.trim(); + // check for delete + if (text.length() == 0) { + property.setValue(Property.UNKNOWN_VALUE); + return true; + } + // check for "null" + if (text.equals("null")) { + property.setValue(null); + return true; + } + // prepare value + Double value; + try { + value = Double.valueOf(text); + } catch (Throwable e) { + UiUtils.openWarning( + DesignerPlugin.getShell(), + property.getTitle(), + MessageFormat.format(ModelMessages.DoubleObjectPropertyEditor_notValidDouble, text)); + return false; + } + // modify property + property.setValue(value); + return true; + } +} |