| /* |
| * Copyright (c) 2005, 2007 IBM Corporation 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: |
| * IBM Corporation - initial implementation |
| * |
| */ |
| package org.eclipse.epf.diagram.ad.providers; |
| |
| import java.text.MessageFormat; |
| import java.text.ParsePosition; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EDataType; |
| import org.eclipse.emf.ecore.EEnum; |
| import org.eclipse.emf.ecore.EEnumLiteral; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.gmf.runtime.common.core.command.ICommand; |
| import org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand; |
| import org.eclipse.gmf.runtime.common.ui.services.parser.IParser; |
| import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus; |
| import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus; |
| import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand; |
| import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest; |
| import org.eclipse.jface.text.contentassist.IContentAssistProcessor; |
| import org.eclipse.epf.diagram.ad.part.ActivityDiagramEditorPlugin; |
| |
| /** |
| * @generated |
| */ |
| public abstract class UMLAbstractParser implements IParser { |
| |
| /** |
| * @generated |
| */ |
| private String viewPattern; |
| |
| /** |
| * @generated |
| */ |
| private MessageFormat viewProcessor; |
| |
| /** |
| * @generated |
| */ |
| private String editPattern; |
| |
| /** |
| * @generated |
| */ |
| private MessageFormat editProcessor; |
| |
| /** |
| * @generated |
| */ |
| public String getViewPattern() { |
| return viewPattern; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected MessageFormat getViewProcessor() { |
| return viewProcessor; |
| } |
| |
| /** |
| * @generated |
| */ |
| public void setViewPattern(String viewPattern) { |
| this.viewPattern = viewPattern; |
| viewProcessor = createViewProcessor(viewPattern); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected MessageFormat createViewProcessor(String viewPattern) { |
| return new MessageFormat(viewPattern); |
| } |
| |
| /** |
| * @generated |
| */ |
| public String getEditPattern() { |
| return editPattern; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected MessageFormat getEditProcessor() { |
| return editProcessor; |
| } |
| |
| /** |
| * @generated |
| */ |
| public void setEditPattern(String editPattern) { |
| this.editPattern = editPattern; |
| editProcessor = createEditProcessor(editPattern); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected MessageFormat createEditProcessor(String editPattern) { |
| return new MessageFormat(editPattern); |
| } |
| |
| /** |
| * @generated |
| */ |
| public String getPrintString(IAdaptable adapter, int flags) { |
| return getStringByPattern(adapter, flags, getViewPattern(), |
| getViewProcessor()); |
| } |
| |
| /** |
| * @generated |
| */ |
| public String getEditString(IAdaptable adapter, int flags) { |
| return getStringByPattern(adapter, flags, getEditPattern(), |
| getEditProcessor()); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected abstract String getStringByPattern(IAdaptable adapter, int flags, |
| String pattern, MessageFormat processor); |
| |
| /** |
| * @generated |
| */ |
| public IParserEditStatus isValidEditString(IAdaptable element, |
| String editString) { |
| ParsePosition pos = new ParsePosition(0); |
| Object[] values = getEditProcessor().parse(editString, pos); |
| if (values == null) { |
| return new ParserEditStatus(ActivityDiagramEditorPlugin.ID, |
| IParserEditStatus.UNEDITABLE, "Invalid input at " |
| + pos.getErrorIndex()); |
| } |
| return validateNewValues(values); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected IParserEditStatus validateNewValues(Object[] values) { |
| return ParserEditStatus.EDITABLE_STATUS; |
| } |
| |
| /** |
| * @generated |
| */ |
| public ICommand getParseCommand(IAdaptable adapter, String newString, |
| int flags) { |
| Object[] values = getEditProcessor().parse(newString, |
| new ParsePosition(0)); |
| if (values == null |
| || validateNewValues(values).getCode() != IParserEditStatus.EDITABLE) { |
| return UnexecutableCommand.INSTANCE; |
| } |
| return getParseCommand(adapter, values); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected abstract ICommand getParseCommand(IAdaptable adapter, |
| Object[] values); |
| |
| /** |
| * @generated |
| */ |
| public IContentAssistProcessor getCompletionProcessor(IAdaptable element) { |
| return null; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected ICommand getModificationCommand(EObject element, |
| EStructuralFeature feature, Object value) { |
| value = getValidNewValue(feature, value); |
| if (value instanceof InvalidValue) { |
| return UnexecutableCommand.INSTANCE; |
| } |
| SetRequest request = new SetRequest(element, feature, value); |
| return new SetValueCommand(request); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Object getValidValue(EStructuralFeature feature, Object value) { |
| EClassifier type = feature.getEType(); |
| if (type instanceof EDataType) { |
| Class iClass = type.getInstanceClass(); |
| if (String.class.equals(iClass)) { |
| if (value == null) { |
| value = ""; //$NON-NLS-1$ |
| } |
| } |
| } |
| return value; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Object getValidNewValue(EStructuralFeature feature, Object value) { |
| EClassifier type = feature.getEType(); |
| if (type instanceof EDataType) { |
| Class iClass = type.getInstanceClass(); |
| if (Boolean.TYPE.equals(iClass)) { |
| if (value instanceof Boolean) { |
| // ok |
| } else if (value instanceof String) { |
| value = Boolean.valueOf((String) value); |
| } else { |
| value = new InvalidValue( |
| "Value of type Boolean is expected"); |
| } |
| } else if (Character.TYPE.equals(iClass)) { |
| if (value instanceof Character) { |
| // ok |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| value = new Character(s.charAt(0)); |
| } |
| } else { |
| value = new InvalidValue( |
| "Value of type Character is expected"); |
| } |
| } else if (Byte.TYPE.equals(iClass)) { |
| if (value instanceof Byte) { |
| // ok |
| } else if (value instanceof Number) { |
| value = new Byte(((Number) value).byteValue()); |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| try { |
| value = Byte.valueOf(s); |
| } catch (NumberFormatException nfe) { |
| value = new InvalidValue( |
| "String value does not convert to Byte value"); |
| } |
| } |
| } else { |
| value = new InvalidValue("Value of type Byte is expected"); |
| } |
| } else if (Short.TYPE.equals(iClass)) { |
| if (value instanceof Short) { |
| // ok |
| } else if (value instanceof Number) { |
| value = new Short(((Number) value).shortValue()); |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| try { |
| value = Short.valueOf(s); |
| } catch (NumberFormatException nfe) { |
| value = new InvalidValue( |
| "String value does not convert to Short value"); |
| } |
| } |
| } else { |
| value = new InvalidValue("Value of type Short is expected"); |
| } |
| } else if (Integer.TYPE.equals(iClass)) { |
| if (value instanceof Integer) { |
| // ok |
| } else if (value instanceof Number) { |
| value = new Integer(((Number) value).intValue()); |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| try { |
| value = Integer.valueOf(s); |
| } catch (NumberFormatException nfe) { |
| value = new InvalidValue( |
| "String value does not convert to Integer value"); |
| } |
| } |
| } else { |
| value = new InvalidValue( |
| "Value of type Integer is expected"); |
| } |
| } else if (Long.TYPE.equals(iClass)) { |
| if (value instanceof Long) { |
| // ok |
| } else if (value instanceof Number) { |
| value = new Long(((Number) value).longValue()); |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| try { |
| value = Long.valueOf(s); |
| } catch (NumberFormatException nfe) { |
| value = new InvalidValue( |
| "String value does not convert to Long value"); |
| } |
| } |
| } else { |
| value = new InvalidValue("Value of type Long is expected"); |
| } |
| } else if (Float.TYPE.equals(iClass)) { |
| if (value instanceof Float) { |
| // ok |
| } else if (value instanceof Number) { |
| value = new Float(((Number) value).floatValue()); |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| try { |
| value = Float.valueOf(s); |
| } catch (NumberFormatException nfe) { |
| value = new InvalidValue( |
| "String value does not convert to Float value"); |
| } |
| } |
| } else { |
| value = new InvalidValue("Value of type Float is expected"); |
| } |
| } else if (Double.TYPE.equals(iClass)) { |
| if (value instanceof Double) { |
| // ok |
| } else if (value instanceof Number) { |
| value = new Double(((Number) value).doubleValue()); |
| } else if (value instanceof String) { |
| String s = (String) value; |
| if (s.length() == 0) { |
| value = null; |
| } else { |
| try { |
| value = Double.valueOf(s); |
| } catch (NumberFormatException nfe) { |
| value = new InvalidValue( |
| "String value does not convert to Double value"); |
| } |
| } |
| } else { |
| value = new InvalidValue("Value of type Double is expected"); |
| } |
| } else if (type instanceof EEnum) { |
| if (value instanceof String) { |
| EEnumLiteral literal = ((EEnum) type) |
| .getEEnumLiteralByLiteral((String) value); |
| if (literal == null) { |
| value = new InvalidValue("Unknown literal: " + value); |
| } else { |
| value = literal.getInstance(); |
| } |
| } else { |
| value = new InvalidValue("Value of type String is expected"); |
| } |
| } |
| } |
| return value; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected class InvalidValue { |
| |
| private String description; |
| |
| public InvalidValue(String description) { |
| this.description = description; |
| } |
| |
| public String toString() { |
| return description; |
| } |
| } |
| } |