SymfonyTemplateStore.java

/*******************************************************************************
 * This file is part of the Symfony eclipse plugin.
 * 
 * (c) Robert Gruendler <r.gruendler@gmail.com>
 * 
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 ******************************************************************************/
package com.dubture.symfony.ui.preferences;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.templates.ContextTypeRegistry;
import org.eclipse.jface.text.templates.DocumentTemplateContext;
import org.eclipse.jface.text.templates.Template;
import org.eclipse.jface.text.templates.TemplateBuffer;
import org.eclipse.jface.text.templates.TemplateContextType;
import org.eclipse.jface.text.templates.TemplateException;
import org.eclipse.jface.text.templates.TemplateVariable;
import org.eclipse.php.internal.ui.PHPUiPlugin;
import org.eclipse.php.internal.ui.preferences.PHPTemplateStore;

import com.dubture.symfony.ui.editor.template.CodeTemplateContextType;
import com.dubture.symfony.ui.editor.template.CodeTemplateVariableHolder;

/**
 * 
 * Templatestore for symfony code templates.
 * 
 * @author Robert Gründler <r.gruendler@gmail.com>
 *
 */
@SuppressWarnings("restriction")
public class SymfonyTemplateStore extends PHPTemplateStore {

	public SymfonyTemplateStore(ContextTypeRegistry registry,
			IPreferenceStore store, String key) {
		super(registry, store, key);

	}
	
	
	public static CompiledTemplate compileTemplate(ContextTypeRegistry contextTypeRegistry, Template template, String containerName, String fileName, CodeTemplateVariableHolder varHolder) {
		
		String string = null;
		int offset = 0;
		if (template != null) {
			IDocument document = new Document();
			DocumentTemplateContext context = getContext(contextTypeRegistry, template, containerName, fileName, document, varHolder);
			TemplateBuffer buffer = null;
			try {
				buffer = context.evaluate(template);
			} catch (BadLocationException e) {
				PHPUiPlugin.log(e);
			} catch (TemplateException e) {
				PHPUiPlugin.log(e);
			}
			if (buffer != null) {
				string = buffer.getString();
				TemplateVariable[] variables = buffer.getVariables();
				for (int i = 0; i != variables.length; i++) {
					TemplateVariable variable = variables[i];
					if ("cursor".equals(variable.getName())) {//$NON-NLS-1$
						offset = variable.getOffsets()[0];
					}
				}
			}
		}
		return new CompiledTemplate(string, offset);
	}
	
	
	
	private static DocumentTemplateContext getContext(
			ContextTypeRegistry contextTypeRegistry, Template template,
			String containerName, String fileName, IDocument document, CodeTemplateVariableHolder varHolder) {

		if (fileName == null) {
			return new DocumentTemplateContext(contextTypeRegistry
					.getContextType(template.getContextTypeId()), document, 0,
					0);

		}

		IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(
				new Path(containerName + "/" + fileName));
		ISourceModule sourceModule = DLTKCore.createSourceModuleFrom(file);
		TemplateContextType type = contextTypeRegistry.getContextType(template
				.getContextTypeId());
		

		
		return ((CodeTemplateContextType) type).createContext(document, 0, 0,sourceModule, varHolder);
	}
	


}