//------------------------------------------------------------------------------
// 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.wpdd.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.wpdd.part.WPDDiagramEditorPlugin;
/**
* @generated
*/
public abstract class DiagramAbstractParser 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(WPDDiagramEditorPlugin.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;
}
}
}