1 /******************************************************************************* 2 * Copyright (c) 2011 Google, Inc. 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * Google, Inc. - initial API and implementation 10 *******************************************************************************/ 11 package org.eclipse.wb.internal.core.model.property.editor; 12 13 import org.eclipse.wb.internal.core.DesignerPlugin; 14 import org.eclipse.wb.internal.core.model.ModelMessages; 15 import org.eclipse.wb.internal.core.model.property.Property; 16 import org.eclipse.wb.internal.core.utils.ui.UiUtils; 17 18 import java.text.MessageFormat; 19 20 /** 21 * The {@link PropertyEditor} for <code>double</code>. 22 * 23 * @author scheglov_ke 24 * @coverage core.model.property.editor 25 */ 26 public final class DoublePropertyEditor extends AbstractTextPropertyEditor { 27 //////////////////////////////////////////////////////////////////////////// 28 // 29 // Instance 30 // 31 //////////////////////////////////////////////////////////////////////////// 32 public static final PropertyEditor INSTANCE = new DoublePropertyEditor(); 33 34 private DoublePropertyEditor() { 35 } 36 37 //////////////////////////////////////////////////////////////////////////// 38 // 39 // Presentation 40 // 41 //////////////////////////////////////////////////////////////////////////// 42 @Override 43 public String getText(Property property) throws Exception { 44 Object value = property.getValue(); 45 if (value instanceof Number) { 46 double doubleValue = ((Number) value).doubleValue(); 47 return Double.toString(doubleValue); 48 } 49 return null; 50 } 51 52 //////////////////////////////////////////////////////////////////////////// 53 // 54 // Editing 55 // 56 //////////////////////////////////////////////////////////////////////////// 57 @Override 58 protected String getEditorText(Property property) throws Exception { 59 return getText(property); 60 } 61 62 @Override 63 protected boolean setEditorText(Property property, String text) throws Exception { 64 text = text.trim(); 65 // check for delete 66 if (text.length() == 0) { 67 property.setValue(Property.UNKNOWN_VALUE); 68 } 69 // prepare value 70 Double value; 71 try { 72 value = Double.valueOf(text); 73 } catch (Throwable e) { 74 UiUtils.openWarning( 75 DesignerPlugin.getShell(), 76 property.getTitle(), 77 MessageFormat.format(ModelMessages.DoublePropertyEditor_notValidDouble, text)); 78 return false; 79 } 80 // modify property 81 property.setValue(value); 82 return true; 83 } 84 }
