/*
 *  Freeplane - mind map editor
 *  Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
 *
 *  This file is modified by Dimitry Polivaev in 2008.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.freeplane.view.swing.map;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Stroke;

import org.freeplane.features.edge.EdgeStyle;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.nodestyle.NodeStyleModel;

class ForkMainView extends MainView {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;


	@Override
    public
	Point getLeftPoint() {
		int edgeWidth = getEdgeWidth();
		final Point in = new Point(0, getHeight() - edgeWidth / 2);
		return in;
	}

	public int getEdgeWidth() {
	    final NodeView nodeView = getNodeView();
	    final int edgeWidth = nodeView.getEdgeWidth();
		final EdgeStyle style = nodeView.getEdgeStyle();
		final int nodeLineWidth = style.getNodeLineWidth(edgeWidth);
		if(edgeWidth == 0)
			return nodeLineWidth;
		else{
			final int zoomedLineWidth = nodeView.getMap().getZoomed(nodeLineWidth);
			return zoomedLineWidth;
		}
    }

	@Override
	protected int getMainViewHeightWithFoldingMark() {
		int height = getHeight();
		final NodeView nodeView = getNodeView();
		final NodeModel model = nodeView.getModel();
		if (nodeView.getMap().getModeController().getMapController().isFolded(model)) {
			height += getZoomedFoldingSymbolHalfWidth();
		}
		return height;
	}

	@Override
    public
	Point getRightPoint() {
		int edgeWidth = getEdgeWidth();
		final Point in = new Point(getWidth() - 1, getHeight() - edgeWidth / 2);
		return in;
	}

	/*
	 * (non-Javadoc)
	 * @see freeplane.view.mindmapview.NodeView#getStyle()
	 */
	@Override
    public
	String getShape() {
		return NodeStyleModel.STYLE_FORK;
	}

	@Override
	public void paintComponent(final Graphics graphics) {
		final Graphics2D g = (Graphics2D) graphics;
		final NodeView nodeView = getNodeView();
		final NodeModel model = nodeView.getModel();
		if (model == null) {
			return;
		}
		paintBackgound(g);
		paintDragOver(g);
		super.paintComponent(g);
	}

	@Override
	protected void paintBackground(final Graphics2D graphics, final Color color) {
		graphics.setColor(color);
		graphics.fillRect(0, 0, getWidth(), getHeight() - getEdgeWidth());
	}

	@Override
	void paintDecoration(final NodeView nodeView, final Graphics2D g) {
		final Stroke oldStroke = g.getStroke();
		float edgeWidth  = getEdgeWidth();
		g.setStroke(new BasicStroke(edgeWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
		final Color oldColor = g.getColor();
		g.setColor(nodeView.getEdgeColor());
		Point leftLinePoint = getLeftPoint();
		g.drawLine(leftLinePoint.x, leftLinePoint.y, leftLinePoint.x + getWidth(), leftLinePoint.y);
		g.setColor(oldColor);
		g.setStroke(oldStroke);
		super.paintDecoration(nodeView, g);
    }
	
    @Override
    public Insets getInsets() {
        return  getInsets(null);
    }

	@Override
    public Insets getInsets(Insets insets) {
    	final NodeView nodeView = getNodeView();
        int edgeWidth = nodeView.getEdgeWidth();
        final EdgeStyle style = nodeView.getEdgeStyle();
        edgeWidth = style.getNodeLineWidth(edgeWidth);
		if(insets == null)
    		insets = new Insets(0, 2, edgeWidth, 2);
    	else
    		insets.set(0, 2, edgeWidth, 2);
        return insets;
    }
}