package org.argeo.suite.workbench.commands;

import javax.jcr.Node;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;

import org.argeo.connect.ui.workbench.AppWorkbenchService;
import org.argeo.connect.ui.workbench.NodeEditorInput;
import org.argeo.jcr.JcrUtils;
import org.argeo.suite.SuiteException;
import org.argeo.suite.workbench.AsUiPlugin;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;

/** Workaround to enable opening of a default editor */
public class OpenEntityEditor extends AbstractHandler {
	public final static String ID = AsUiPlugin.PLUGIN_ID + ".openEntityEditor";

	public final static String PARAM_JCR_ID = "param.jcrId";
	// public final static String PARAM_OPEN_FOR_EDIT = "param.openForEdit";
	// public final static String PARAM_CTAB_ID = "param.cTabId";

	private Repository repository;
	private AppWorkbenchService appWorkbenchService;

	public Object execute(ExecutionEvent event) throws ExecutionException {
		NodeEditorInput eei = null;
		Node entity = null;
		Session session = null;
		String jcrId = event.getParameter(PARAM_JCR_ID);
		try {
			session = repository.login();
			if (jcrId != null) {
				entity = session.getNodeByIdentifier(jcrId);
				eei = new NodeEditorInput(jcrId);
			} else
				return null;

			String editorId = appWorkbenchService.getEntityEditorId(entity);
			if (editorId != null) {
				IWorkbenchWindow iww = HandlerUtil.getActiveWorkbenchWindow(event);
				IWorkbenchPage iwp = iww.getActivePage();
				iwp.openEditor(eei, editorId);
			}
		} catch (PartInitException pie) {
			throw new SuiteException("Unexpected PartInitException while opening entity editor", pie);
		} catch (RepositoryException e) {
			throw new SuiteException("unexpected JCR error while opening editor", e);
		} finally {
			JcrUtils.logoutQuietly(session);
		}
		return null;
	}

	public void setRepository(Repository repository) {
		this.repository = repository;
	}

	public void setAppWorkbenchService(AppWorkbenchService appWorkbenchService) {
		this.appWorkbenchService = appWorkbenchService;
	}
}