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 com.google.common.base.Objects; 14 15 import org.eclipse.wb.core.controls.CCombo3; 16 import org.eclipse.wb.internal.core.model.property.Property; 17 18 import java.beans.PropertyDescriptor; 19 20 /** 21 * {@link PropertyEditor} for "enumerationValues" attribute of {@link PropertyDescriptor}. 22 * <p> 23 * See http://javadude.com/articles/javabeanattributes.html for attributes. 24 * 25 * @author scheglov_ke 26 * @coverage core.model.property.editor 27 */ 28 public class EnumerationValuesPropertyEditor extends AbstractComboPropertyEditor 29 implements 30 IValueSourcePropertyEditor { 31 private final String[] m_names; 32 private final Object[] m_values; 33 private final String[] m_sources; 34 35 //////////////////////////////////////////////////////////////////////////// 36 // 37 // Constructor 38 // 39 //////////////////////////////////////////////////////////////////////////// 40 public EnumerationValuesPropertyEditor(Object attributeValue) { 41 Object[] enumElements = (Object[]) attributeValue; 42 int items = enumElements.length / 3; 43 m_names = new String[items]; 44 m_values = new Object[items]; 45 m_sources = new String[items]; 46 for (int i = 0; i < items; i++) { 47 m_names[i] = (String) enumElements[3 * i + 0]; 48 m_values[i] = enumElements[3 * i + 1]; 49 m_sources[i] = (String) enumElements[3 * i + 2]; 50 } 51 } 52 53 //////////////////////////////////////////////////////////////////////////// 54 // 55 // TextDisplayPropertyEditor 56 // 57 //////////////////////////////////////////////////////////////////////////// 58 @Override 59 public String getText(Property property) throws Exception { 60 Object value = property.getValue(); 61 // return name for value 62 if (value != Property.UNKNOWN_VALUE) { 63 for (int i = 0; i < m_values.length; i++) { 64 if (Objects.equal(m_values[i], value)) { 65 return m_names[i]; 66 } 67 } 68 } 69 // unknown value 70 return null; 71 } 72 73 //////////////////////////////////////////////////////////////////////////// 74 // 75 // IValueSourcePropertyEditor 76 // 77 //////////////////////////////////////////////////////////////////////////// 78 @Override 79 public String getValueSource(Object value) throws Exception { 80 if (value != Property.UNKNOWN_VALUE) { 81 for (int i = 0; i < m_values.length; i++) { 82 if (Objects.equal(m_values[i], value)) { 83 return m_sources[i]; 84 } 85 } 86 } 87 // unknown value 88 return null; 89 } 90 91 //////////////////////////////////////////////////////////////////////////// 92 // 93 // IClipboardSourceProvider 94 // 95 //////////////////////////////////////////////////////////////////////////// 96 // public String getClipboardSource(GenericProperty property) throws Exception { 97 // Object value = property.getValue(); 98 // return getValueSource(value); 99 // } 100 101 //////////////////////////////////////////////////////////////////////////// 102 // 103 // Combo 104 // 105 //////////////////////////////////////////////////////////////////////////// 106 @Override 107 protected void addItems(Property property, CCombo3 combo) throws Exception { 108 for (String title : m_names) { 109 combo.add(title); 110 } 111 } 112 113 @Override 114 protected void selectItem(Property property, CCombo3 combo) throws Exception { 115 combo.setText(getText(property)); 116 } 117 118 @Override 119 protected void toPropertyEx(Property property, CCombo3 combo, int index) throws Exception { 120 Object value = m_values[index]; 121 // if (property instanceof GenericProperty) { 122 // GenericProperty genericProperty = (GenericProperty) property; 123 // String source = getValueSource(value); 124 // genericProperty.setExpression(source, value); 125 // } else { 126 property.setValue(value); 127 // } 128 } 129 } 130
