| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. and others. |
| * |
| * 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.meta.internal; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.jst.pagedesigner.common.dialogfield.DialogField; |
| import org.eclipse.jst.pagedesigner.common.dialogfield.ISupportTextValue; |
| import org.eclipse.jst.pagedesigner.common.dialogfield.StringDialogField; |
| import org.eclipse.jst.pagedesigner.common.logging.Logger; |
| import org.eclipse.jst.pagedesigner.meta.IAttributeCellEditorFactory; |
| import org.eclipse.jst.pagedesigner.meta.IAttributeDescriptor; |
| import org.eclipse.jst.pagedesigner.meta.IValueType; |
| import org.eclipse.jst.pagedesigner.properties.celleditors.CellEditorFactory; |
| import org.eclipse.swt.widgets.Composite; |
| import org.w3c.dom.Element; |
| |
| /** |
| * CellEditorFactoryRegistry also read information from plugin.xml extension to |
| * allow other plugins to contribute new kinds of cell editors. |
| * |
| * @author mengbo |
| */ |
| public class CellEditorFactoryRegistry { |
| private static final Logger _log = PDPlugin |
| .getLogger(CellEditorFactoryRegistry.class); |
| |
| private static CellEditorFactoryRegistry _instance; |
| |
| private Map _factoryMap = new HashMap(); |
| |
| private List _defaultFactories = new ArrayList(); |
| |
| public static CellEditorFactoryRegistry getInstance() { |
| if (_instance == null) { |
| _instance = new CellEditorFactoryRegistry(); |
| } |
| return _instance; |
| } |
| |
| private CellEditorFactoryRegistry() { |
| IAttributeCellEditorFactory[] facs = CellEditorFacRegistryReader |
| .getAllFactories(); |
| if (facs != null) { |
| for (int i = 0; i < facs.length; i++) { |
| addCellEditorFactory(facs[i]); |
| } |
| } |
| addCellEditorFactory(new CellEditorFactory()); |
| } |
| |
| public void addCellEditorFactory(IAttributeCellEditorFactory fac) { |
| String[] types = fac.getSupportedValueTypes(); |
| if (types == null || types.length == 0) { |
| _defaultFactories.add(fac); |
| } else { |
| for (int i = 0; i < types.length; i++) { |
| _factoryMap.put(types[i].toUpperCase(), fac); |
| } |
| } |
| } |
| |
| public CellEditor createCellEditor(Composite parent, |
| IAttributeDescriptor attr, Element element) { |
| String type = attr.getValueType(); |
| if (type == null || type.length() == 0) |
| return null; |
| type = type.toUpperCase(); |
| |
| CellEditor result = null; |
| IAttributeCellEditorFactory fac = (IAttributeCellEditorFactory) _factoryMap |
| .get(type); |
| if (fac != null) { |
| result = fac.createCellEditor(parent, attr, element); |
| } |
| if (result == null) { |
| for (int i = 0, size = _defaultFactories.size(); i < size; i++) { |
| result = ((IAttributeCellEditorFactory) _defaultFactories |
| .get(i)).createCellEditor(parent, attr, element); |
| if (result != null) |
| break; |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * |
| * @param attr |
| * @param context |
| * @param ele |
| * @return will never be null |
| */ |
| public DialogField createDialogField(IAttributeDescriptor attr) { |
| String type = attr.getValueType(); |
| if (type == null || type.length() == 0) { |
| DialogField result = createTextDialogField(attr); |
| result.setLabelText(attr.getLabelString() + ":"); //$NON-NLS-1$ |
| return result; |
| } |
| type = type.toUpperCase(); |
| |
| DialogField result = null; |
| IAttributeCellEditorFactory fac = (IAttributeCellEditorFactory) _factoryMap |
| .get(type); |
| if (fac != null) { |
| result = fac.createDialogField(attr); |
| } |
| if (result == null) { |
| for (int i = 0, size = _defaultFactories.size(); i < size; i++) { |
| result = ((IAttributeCellEditorFactory) _defaultFactories |
| .get(i)).createDialogField(attr); |
| if (result != null) { |
| break; |
| } |
| } |
| } |
| if (result == null) { |
| result = createTextDialogField(attr); |
| } |
| if (!(result instanceof ISupportTextValue)) { |
| result = createTextDialogField(attr); |
| } |
| result.setLabelText(attr.getLabelString() + ":"); //$NON-NLS-1$ |
| return result; |
| } |
| |
| /** |
| * @param attr |
| * @param context |
| * @param ele |
| * @return |
| */ |
| public DialogField createTextDialogField(IAttributeDescriptor attr) { |
| StringDialogField field = new StringDialogField(); |
| field.setLabelText(attr.getLabelString()); |
| field.setRequired(attr.isRequired()); |
| field.setToolTip(attr.getDescription()); |
| return field; |
| } |
| |
| /** |
| * This is NOT a product method. It should only be used by testing code. |
| * |
| * @return |
| */ |
| public String[] getAllValueTypes() { |
| Set valueTypes = new HashSet(); |
| for (Iterator iter = _factoryMap.values().iterator(); iter.hasNext();) { |
| IAttributeCellEditorFactory fac = (IAttributeCellEditorFactory) iter |
| .next(); |
| String[] supportedTypes = fac.getSupportedValueTypes(); |
| |
| if (supportedTypes != null) { |
| for (int i = 0; i < supportedTypes.length; i++) { |
| valueTypes.add(supportedTypes[i]); |
| } |
| } |
| } |
| // add those default ones. |
| Field[] fields = IValueType.class.getFields(); |
| for (int i = 0; i < fields.length; i++) { |
| int modifiers = fields[i].getModifiers(); |
| if (Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) { |
| if (fields[i].getType() == String.class) { |
| try { |
| valueTypes.add((String) fields[i].get(null)); |
| } catch (IllegalArgumentException ex) { |
| // "Error in fields retrieving:" |
| _log.info("CellEditorFactoryRegistry.Info.2", ex); //$NON-NLS-1$ |
| } catch (IllegalAccessException ex) { |
| // "Error in fields retrieving:" |
| _log.info("CellEditorFactoryRegistry.Info.3", ex); //$NON-NLS-1$ |
| } |
| } |
| } |
| } |
| String[] ret = new String[valueTypes.size()]; |
| valueTypes.toArray(ret); |
| return ret; |
| } |
| } |