/*******************************************************************************

 * Copyright (c) 2008 Nokia and others.

 * 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

 *

 * Contributors:

 * Nokia - Initial API and implementation

 *******************************************************************************/

package org.eclipse.cdt.debug.internal.ui.views.executables;

import java.text.DateFormat;

import java.util.Date;

import org.eclipse.cdt.core.model.ITranslationUnit;

import org.eclipse.cdt.debug.core.executables.Executable;

import org.eclipse.cdt.ui.CElementLabelProvider;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.Path;

import org.eclipse.jface.resource.FontDescriptor;

import org.eclipse.jface.resource.JFaceResources;

import org.eclipse.jface.resource.LocalResourceManager;

import org.eclipse.jface.viewers.TreeColumnViewerLabelProvider;

import org.eclipse.jface.viewers.ViewerCell;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Font;

import org.eclipse.swt.widgets.Display;

public class SourceFilesLabelProvider extends TreeColumnViewerLabelProvider {

	private SourceFilesViewer viewer;

	private LocalResourceManager resourceManager = new LocalResourceManager(JFaceResources.getResources());

	public SourceFilesLabelProvider(SourceFilesViewer viewer) {

		super(new CElementLabelProvider());

		this.viewer = viewer;

	}

	@Override

	public void update(ViewerCell cell) {

		super.update(cell);

		int orgColumnIndex = cell.getColumnIndex();

		if (orgColumnIndex == 0) {

			if (cell.getElement() instanceof String) {

				cell.setText((String) cell.getElement());

				Font boldFont = resourceManager.createFont(FontDescriptor.createFrom(viewer.getTree().getFont()).setStyle(SWT.BOLD));

				cell.setFont(boldFont);

			}

		} else if (orgColumnIndex == 1) {

			cell.setText(null);

			if (cell.getElement() instanceof ITranslationUnit) {

				ITranslationUnit tu = (ITranslationUnit) cell.getElement();

				IPath path = tu.getLocation();

				if (path != null) {

					cell.setText(path.toOSString());

					if (path.toFile().exists())

						cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

					else

						cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_GRAY));

				}

			}

			cell.setImage(null);

		} else if (orgColumnIndex == 2) {

			cell.setText(null);

			if (cell.getElement() instanceof ITranslationUnit) {

				Executable executable = (Executable) viewer.getInput();

				Path path = new Path(executable.getOriginalLocation((ITranslationUnit) cell.getElement()));

				if (path.toFile().exists())

					cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

				else

					cell.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_GRAY));

			}

			cell.setImage(null);

		} else if (orgColumnIndex == 3) {

			cell.setText(null);

			if (cell.getElement() instanceof ITranslationUnit) {

				ITranslationUnit tu = (ITranslationUnit) cell.getElement();

				IPath path = tu.getLocation();

				if (path != null && path.toFile().exists()) {

					long fileLength = path.toFile().length();

					cell.setText(Long.toString(fileLength));

				}

			}

			cell.setImage(null);

		} else if (orgColumnIndex == 4) {

			cell.setText(null);

			if (cell.getElement() instanceof ITranslationUnit) {

				ITranslationUnit tu = (ITranslationUnit) cell.getElement();

				IPath path = tu.getLocation();

				if (path != null && path.toFile().exists()) {

					long modified = path.toFile().lastModified();

					String dateTimeString = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date(modified));

					cell.setText(dateTimeString);

				}

			}

			cell.setImage(null);

		} else if (orgColumnIndex == 5) {

			cell.setText(null);

			if (cell.getElement() instanceof ITranslationUnit) {

				ITranslationUnit tu = (ITranslationUnit) cell.getElement();

				IPath path = tu.getLocation();

				if (path != null) {

					String fileExtension = path.getFileExtension();

					if (fileExtension != null)

						cell.setText(fileExtension.toLowerCase());

				}

			}

			cell.setImage(null);

		}

	}

}