/*******************************************************************************
 * Copyright (c) 2011, 2013 Formal Mind GmbH and University of Dusseldorf.
 * 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:
 *     Lukas Ladenberger - initial API and implementation
 ******************************************************************************/
package org.eclipse.rmf.reqif10.pror.editor.agilegrid;

import org.agilemore.agilegrid.AgileGrid;
import org.agilemore.agilegrid.SWTResourceManager;
import org.agilemore.agilegrid.SWTX;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.rmf.reqif10.SpecRelation;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Rectangle;

public abstract class AbstractProrSpecCellRenderer extends AbstractProrCellRenderer {

	public static Color COLOR_LINK = SWTResourceManager.getColor(240, 240, 240);

	public AbstractProrSpecCellRenderer(AgileGrid agileGrid,
			AdapterFactory adapterFactory) {
		super(agileGrid, adapterFactory);
	}

	@Override
	protected void drawGridLines(GC gc, Rectangle rect, int row, int col) {

		Color vBorderColor = COLOR_LINE_LIGHTGRAY;
		Color hBorderColor = COLOR_LINE_LIGHTGRAY;

		if (agileGrid instanceof ProrAgileGrid) {
			ProrAgileGrid grid = (ProrAgileGrid) agileGrid;
			if (grid.dndHoverCell != null
					&& row == grid.dndHoverCell.row
					&& grid.dndHoverDropMode == ProrAgileGrid.DND_DROP_AS_SIBLING) {
				hBorderColor = COLOR_LINE_DARKGRAY;
			}
		}

		if ((style & INDICATION_SELECTION_ROW) != 0) {
			vBorderColor = COLOR_BGROWSELECTION;
			hBorderColor = COLOR_BGROWSELECTION;
		}

		if ((agileGrid.getStyle() & SWTX.NOT_SHOW_GRID_LINE) == SWTX.NOT_SHOW_GRID_LINE) {
			vBorderColor = COLOR_BACKGROUND;
			hBorderColor = COLOR_BACKGROUND;
		}

		ProrAgileGridContentProvider contentProvider = (ProrAgileGridContentProvider) agileGrid
				.getContentProvider();

		int nextRow = row + 1;
		if (nextRow < contentProvider.getRowCount()) {
			ProrRow prorRowNext = contentProvider.getProrRow(nextRow);
			if (prorRowNext != null
					&& prorRowNext.getSpecElement() instanceof SpecRelation)
				hBorderColor = COLOR_LINK;
		}
		
		drawDefaultCellLine(gc, rect, vBorderColor, hBorderColor);

	}
	
}