package org.nightlabs.jfire.issuetracking.ui.issue.editor;

import javax.jdo.FetchPlan;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.editor.FormPage;
import org.nightlabs.base.ui.composite.XComposite;
import org.nightlabs.base.ui.composite.XComposite.LayoutMode;
import org.nightlabs.jdo.NLJDOHelper;
import org.nightlabs.jfire.base.login.ui.Login;
import org.nightlabs.jfire.idgenerator.IDGenerator;
import org.nightlabs.jfire.issue.Issue;
import org.nightlabs.jfire.issue.IssueComment;
import org.nightlabs.jfire.issuetracking.ui.resource.Messages;

/**
 * @author Chairat Kongarayawetchakun <!-- chairat [AT] nightlabs [DOT] de -->
 *
 */
public class IssueCommentCreateSection
extends AbstractIssueEditorGeneralSection
{
	private Issue issue;
	private Text commentText;

	public IssueCommentCreateSection(FormPage page, Composite parent, final IssueEditorPageController controller) {
		super(page, parent, controller);
		getSection().setText(Messages.getString("org.nightlabs.jfire.issuetracking.ui.issue.editor.IssueCommentCreateSection.section.text")); //$NON-NLS-1$
		getSection().setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		getSection().setLayout(new GridLayout());

		XComposite client = new XComposite(getSection(), SWT.NONE, LayoutMode.TIGHT_WRAPPER);
		client.getGridLayout().numColumns = 1;

		commentText = new Text(client, SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.V_SCROLL);
		commentText.setFont(new Font(getSection().getDisplay(), new FontData("Courier", 10, SWT.NORMAL))); //$NON-NLS-1$

		GridData gridData = new GridData(GridData.FILL_BOTH);
		gridData.heightHint = 60;
		commentText.setLayoutData(gridData);
		commentText.addModifyListener(new ModifyListener() {
			@Override
			public void modifyText(ModifyEvent e) {
				if(!commentText.getText().equals("")) //$NON-NLS-1$
					markDirty();
				else
					markUndirty();
			}
		});

		getSection().setClient(client);
	}
	@Override
	protected void doSetIssue(Issue issue) {
		this.issue = issue;
		commentText.setText(""); //$NON-NLS-1$
	}

	@Override
	public void commit(boolean onSave) {
		super.commit(onSave);
		if (commentText != null && !commentText.equals("")) { //$NON-NLS-1$
			IssueComment comment = new IssueComment(issue.getOrganisationID(),
					IDGenerator.nextID(IssueComment.class),
					issue,
					commentText.getText(),
					Login.sharedInstance().getUser(new String[]{FetchPlan.DEFAULT}, NLJDOHelper.MAX_FETCH_DEPTH_NO_LIMIT, new org.eclipse.core.runtime.NullProgressMonitor()));
			issue.getComments().add(comment);
		}
	}
}