/*******************************************************************************
 * Copyright (c) 2000, orporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Sebastian Davids: sdavids@gmx.de - see bug 25376
 *******************************************************************************/
package net.sourceforge.phpdt.internal.corext.template.php;

import net.sourceforge.phpdt.core.ICompilationUnit;
import net.sourceforge.phpdt.core.IJavaProject;
import net.sourceforge.phpdt.internal.corext.codemanipulation.StubUtility;

import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.templates.GlobalTemplateVariables;
import org.eclipse.jface.text.templates.TemplateContext;
import org.eclipse.jface.text.templates.TemplateVariableResolver;

/**
 * A context type for java code.
 */
public class JavaContextType extends CompilationUnitContextType {

	public static final String NAME = "php"; //$NON-NLS-1$

	// protected static class Array extends TemplateVariableResolver {
	// public Array() {
	// super("array",
	// TemplateMessages.getString("JavaContextType.variable.description.array"));
	// //$NON-NLS-1$ //$NON-NLS-2$
	// }
	// protected String[] resolveAll(TemplateContext context) {
	// return ((JavaContext) context).guessArrays();
	// }
	// /*
	// * @see
	// org.eclipse.jface.text.templates.TemplateVariableResolver#resolve(org.eclipse.jface.text.templates.TemplateVariable,
	// org.eclipse.jface.text.templates.TemplateContext)
	// */
	// public void resolve(TemplateVariable variable, TemplateContext context) {
	// if (variable instanceof MultiVariable) {
	// JavaContext jc= (JavaContext) context;
	// MultiVariable mv= (MultiVariable) variable;
	// String[] bindings= resolveAll(context);
	// if (bindings.length > 0) {
	// mv.setValues(bindings);
	// MultiVariableGuess guess= jc.getMultiVariableGuess();
	// if (guess == null) {
	// guess= new MultiVariableGuess(mv);
	// jc.setMultiVariableGuess(guess);
	// }
	// }
	// if (bindings.length > 1)
	// variable.setUnambiguous(false);
	// else
	// variable.setUnambiguous(isUnambiguous(context));
	// } else
	// super.resolve(variable, context);
	// }
	// }
	//
	// protected static class ArrayType extends TemplateVariableResolver {
	// public ArrayType() {
	// super("array_type",
	// TemplateMessages.getString("JavaContextType.variable.description.array.type"));
	// //$NON-NLS-1$ //$NON-NLS-2$
	// }
	// protected String[] resolveAll(TemplateContext context) {
	//	        
	// String[] arrayTypes= ((JavaContext) context).guessArrayTypes();
	// if (arrayTypes != null)
	// return arrayTypes;
	// else
	// return super.resolveAll(context);
	// }
	//	    
	// /*
	// * @see
	// org.eclipse.jface.text.templates.TemplateVariableResolver#resolve(org.eclipse.jface.text.templates.TemplateVariable,
	// org.eclipse.jface.text.templates.TemplateContext)
	// */
	// public void resolve(TemplateVariable variable, TemplateContext context) {
	// if (variable instanceof MultiVariable) {
	// MultiVariable mv= (MultiVariable) variable;
	// String[] arrays= ((JavaContext) context).guessArrays();
	// String[][] types= ((JavaContext) context).guessGroupedArrayTypes();
	//				
	// for (int i= 0; i < arrays.length; i++) {
	// mv.setValues(arrays[i], types[i]);
	// }
	//
	// if (arrays.length > 1 || types.length == 1 && types[0].length > 1)
	// variable.setUnambiguous(false);
	// else
	// variable.setUnambiguous(isUnambiguous(context));
	//				
	// } else
	// super.resolve(variable, context);
	// }
	// }
	//
	// protected static class ArrayElement extends TemplateVariableResolver {
	// public ArrayElement() {
	// super("array_element",
	// TemplateMessages.getString("JavaContextType.variable.description.array.element"));
	// //$NON-NLS-1$ //$NON-NLS-2$
	// }
	// protected String[] resolveAll(TemplateContext context) {
	// return ((JavaContext) context).guessArrayElements();
	// }
	//
	// /*
	// * @see
	// org.eclipse.jface.text.templates.TemplateVariableResolver#resolve(org.eclipse.jface.text.templates.TemplateVariable,
	// org.eclipse.jface.text.templates.TemplateContext)
	// */
	// public void resolve(TemplateVariable variable, TemplateContext context) {
	// if (variable instanceof MultiVariable) {
	// MultiVariable mv= (MultiVariable) variable;
	// String[] arrays= ((JavaContext) context).guessArrays();
	// String[][] elems= ((JavaContext) context).guessGroupedArrayElements();
	//				
	// for (int i= 0; i < arrays.length; i++) {
	// mv.setValues(arrays[i], elems[i]);
	// }
	//
	// if (arrays.length > 1 || elems.length == 1 && elems[0].length > 1)
	// variable.setUnambiguous(false);
	// else
	// variable.setUnambiguous(isUnambiguous(context));
	//				
	// } else
	// super.resolve(variable, context);
	// }
	// }
	//
	// protected static class Index extends TemplateVariableResolver {
	// public Index() {
	// super("index",
	// TemplateMessages.getString("JavaContextType.variable.description.index"));
	// //$NON-NLS-1$ //$NON-NLS-2$
	// }
	// protected String resolve(TemplateContext context) {
	// return ((JavaContext) context).getIndex();
	// }
	// }
	//
	// protected static class Collection extends TemplateVariableResolver {
	// public Collection() {
	// super("collection",
	// TemplateMessages.getString("JavaContextType.variable.description.collection"));
	// //$NON-NLS-1$ //$NON-NLS-2$
	// }
	//	    
	// protected String[] resolveAll(TemplateContext context) {
	// String[] collections= ((JavaContext) context).guessCollections();
	// if (collections.length > 0)
	// return collections;
	// else
	// return super.resolveAll(context);
	// }
	// }
	//
	// protected static class Iterator extends TemplateVariableResolver {
	//
	// public Iterator() {
	// super("iterator",
	// TemplateMessages.getString("JavaContextType.variable.description.iterator"));
	// //$NON-NLS-1$ //$NON-NLS-2$
	// }
	// protected String resolve(TemplateContext context) {
	// JavaContext javaContext= (JavaContext) context;
	//
	// if (!context.isReadOnly())
	// javaContext.addIteratorImport();
	//	    	
	// return javaContext.getIterator();
	// }
	// }
	//	
	protected static class Todo extends TemplateVariableResolver {

		public Todo() {
			super(
					"todo", JavaTemplateMessages.getString("JavaContextType.variable.description.todo")); //$NON-NLS-1$ //$NON-NLS-2$
		}

		protected String resolve(TemplateContext context) {
			JavaContext javaContext = (JavaContext) context;
			ICompilationUnit compilationUnit = javaContext.getCompilationUnit();
			if (compilationUnit == null)
				return "XXX"; //$NON-NLS-1$

			IJavaProject javaProject = compilationUnit.getJavaProject();
			String todoTaskTag = StubUtility.getTodoTaskTag(javaProject);
			if (todoTaskTag == null)
				return "XXX"; //$NON-NLS-1$

			return todoTaskTag;
		}
	}

	/*
	 * protected static class Arguments extends SimpleVariableResolver { public
	 * Arguments() { super("arguments",
	 * TemplateMessages.getString("JavaContextType.variable.description.arguments"),
	 * ""); } }
	 */

	/**
	 * Creates a java context type.
	 */
	public JavaContextType() {
		super(NAME);

		// global
		addResolver(new GlobalTemplateVariables.Cursor());
		addResolver(new GlobalTemplateVariables.WordSelection());
		addResolver(new GlobalTemplateVariables.LineSelection());
		addResolver(new GlobalTemplateVariables.Dollar());
		addResolver(new GlobalTemplateVariables.Date());
		addResolver(new GlobalTemplateVariables.Year());
		addResolver(new GlobalTemplateVariables.Time());
		addResolver(new GlobalTemplateVariables.User());

		// compilation unit
		addResolver(new File());
		addResolver(new PrimaryTypeName());
		addResolver(new ReturnType());
		addResolver(new Method());
		addResolver(new Type());
		addResolver(new Package());
		addResolver(new Project());
		addResolver(new Arguments());

		// java
		// addResolver(new Array());
		// addResolver(new ArrayType());
		// addResolver(new ArrayElement());
		// addResolver(new Index());
		// addResolver(new Iterator());
		// addResolver(new Collection());
		addResolver(new Todo());
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sourceforge.phpdt.internal.corext.template.java.CompilationUnitContextType#createContext(org.eclipse.jface.text.IDocument,
	 *      int, int, net.sourceforge.phpdt.core.ICompilationUnit)
	 */
	public CompilationUnitContext createContext(IDocument document, int offset,
			int length, ICompilationUnit compilationUnit) {
		return new JavaContext(this, document, offset, length, compilationUnit);
	}

}