/*
 * Copyright (c) 2004-2011 Marco Maccaferri 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:
 *     Marco Maccaferri - initial API and implementation
 */

package org.eclipsetrader.ui.internal.repositories;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipsetrader.core.instruments.ISecurity;
import org.eclipsetrader.core.repositories.IRepository;
import org.eclipsetrader.core.views.IWatchList;
import org.eclipsetrader.ui.UIConstants;
import org.eclipsetrader.ui.internal.UIActivator;

public class RepositoryLabelProvider extends LabelProvider implements IFontProvider {

    private Font repositoryFont;
    private Font categoryFont;
    private Image repositoryIcon = UIActivator.getDefault().getImageRegistry().get(UIConstants.REPOSITORY);
    private Image securityFolderIcon = UIActivator.getDefault().getImageRegistry().get(UIConstants.REPOSITORY_OBJECT_FOLDER);
    private Image securityIcon = UIActivator.getDefault().getImageRegistry().get(UIConstants.REPOSITORY_OBJECT);

    public RepositoryLabelProvider() {
        FontData[] fontData = Display.getDefault().getSystemFont().getFontData();
        if (fontData != null && fontData.length != 0) {
            repositoryFont = new Font(Display.getDefault(), fontData[0].getName(), fontData[0].getHeight(), SWT.BOLD);
            categoryFont = new Font(Display.getDefault(), fontData[0].getName(), fontData[0].getHeight(), SWT.BOLD);
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.BaseLabelProvider#dispose()
     */
    @Override
    public void dispose() {
        if (repositoryFont != null) {
            repositoryFont.dispose();
        }
        if (categoryFont != null) {
            categoryFont.dispose();
        }
        super.dispose();
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(Object element) {
        if (element instanceof IAdaptable) {
            element = ((IAdaptable) element).getAdapter(Object.class);
        }

        if (element instanceof IRepository) {
            return repositoryIcon;
        }
        if (element instanceof SecurityContainerObject || element instanceof WatchListContainerObject || element instanceof OthersContainerObject) {
            return securityFolderIcon;
        }

        return securityIcon;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(Object element) {
        if (element instanceof IAdaptable) {
            element = ((IAdaptable) element).getAdapter(Object.class);
        }

        if (element instanceof IRepository) {
            return ((IRepository) element).toString();
        }
        if (element instanceof ISecurity) {
            return ((ISecurity) element).getName();
        }
        if (element instanceof IWatchList) {
            return ((IWatchList) element).getName();
        }
        return element != null ? element.toString() : ""; //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
     */
    @Override
    public Font getFont(Object element) {
        if (element instanceof IAdaptable) {
            element = ((IAdaptable) element).getAdapter(Object.class);
        }

        if (element instanceof IRepository) {
            return repositoryFont;
        }
        if (element instanceof SecurityContainerObject || element instanceof WatchListContainerObject || element instanceof OthersContainerObject) {
            return categoryFont;
        }

        return null;
    }
}