/************************************************************************************
* Copyright (c) 2008 William Chen. *
* *
* 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 *
* *
* Use is subject to the terms of Eclipse Public License v1.0. *
* *
* Contributors: *
* William Chen - initial API and implementation. *
************************************************************************************/
package org.dyno.visual.swing.parser.listener;
import java.beans.EventSetDescriptor;
import java.beans.MethodDescriptor;
import org.dyno.visual.swing.parser.NamespaceUtil;
import org.dyno.visual.swing.parser.ParserPlugin;
import org.dyno.visual.swing.plugin.spi.IConstants;
import org.dyno.visual.swing.plugin.spi.WidgetAdapter;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMember;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.Signature;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
@SuppressWarnings("unchecked")
public class CodeSnippet implements IEventMethod, IConstants{
private WidgetAdapter adapter;
private EventSetDescriptor eventSet;
private MethodDescriptor methodDesc;
private String code;
public CodeSnippet(WidgetAdapter adapter, EventSetDescriptor eventSet,
MethodDescriptor methodDesc, String code) {
this.adapter = adapter;
this.eventSet = eventSet;
this.methodDesc = methodDesc;
this.code = code;
}
public void editCode(IEditorPart editor) {
IFileEditorInput file = (IFileEditorInput) editor.getEditorInput();
ICompilationUnit unit = JavaCore.createCompilationUnitFrom(file
.getFile());
try {
String name = file.getName();
int dot = name.lastIndexOf('.');
if (dot != -1)
name = name.substring(0, dot);
IType type = unit.getType(name);
String mName = adapter.isRoot() ? INIT_METHOD_NAME
: NamespaceUtil.getGetMethodName(adapter, adapter.getID());
IMethod method = type.getMethod(mName, new String[0]);
IJavaElement[] children = method.getChildren();
for (IJavaElement javaElement : children) {
if (javaElement instanceof IType) {
IType anonymous = (IType) javaElement;
if (isTargetClass(adapter, eventSet, anonymous)) {
mName = methodDesc.getName();
Class<?>[] pts = methodDesc.getMethod()
.getParameterTypes();
String param = pts[0].getName();
dot = param.lastIndexOf('.');
if (dot != -1)
param = param.substring(dot + 1);
String sig = Signature
.createTypeSignature(param, false);
IMember member = anonymous.getMethod(mName,
new String[] { sig });
JavaUI.revealInEditor(editor, (IJavaElement) member);
}
}
}
} catch (Exception e) {
ParserPlugin.getLogger().error(e);
}
}
private boolean isTargetClass(final WidgetAdapter adapter,
final EventSetDescriptor eventSet, IType anonymous) {
try {
Class clazz = eventSet.getListenerType();
Class adapterClass = DelegationModel
.getListenerAdapter(clazz);
String superClassname = anonymous.getSuperclassName();
boolean targetClass = false;
if (superClassname == null) {
String[] sis = anonymous.getSuperInterfaceTypeSignatures();
if (sis.length > 0) {
String interfaceName = sis[0];
if (clazz.getName().indexOf(interfaceName) != -1) {
targetClass = true;
}
}
} else if (adapterClass != null) {
String adapterClassname = adapterClass.getName();
if (adapterClassname.indexOf(superClassname) != -1) {
targetClass = true;
}
} else if (clazz.getName().indexOf(superClassname) != -1) {
targetClass = true;
}
return targetClass;
} catch (Exception e) {
ParserPlugin.getLogger().error(e);
return false;
}
}
public String getDisplayName() {
return methodDesc.getDisplayName();
}
public String createEventMethod(IType type, ImportRewrite imports) {
return null;
}
public String createAddListenerCode() {
return code;
}
}