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/*
 * Copyright (C) 2014 Steve Ratcliffe
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 or
 * version 2 as published by the Free Software Foundation.
 *
 * 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.
 */
package test.svg.nod;

import org.dom4j.Element;
import test.svg.SvgDoc;

/**
 * Holds the SVG document.
 *
 * Various elements are saved as fields, so that information can be added later.
 *
 * @author Steve Ratcliffe
 */
public class SvgRouteDoc extends SvgDoc {

        // Layers for drawing to
        private Element routing; // The layer used to draw the route network
        private Element roads;   // For roads
        private Element info;    // For information boxes
    private Element spokes;  // Lines from node to its center.
    private Element marked;  // Routing info for the marked nodes.

        protected void addLayers(Element svg) {
                spokes = svg.addElement("g")
                                .addAttribute("inkscape:label", "center spokes")
                .addAttribute("style", "display:none")
                                .addAttribute("inkscape:groupmode", "layer");

                roads = svg.addElement("g")
                                .addAttribute("inkscape:label", "roads")
                                .addAttribute("opacity", "0.4")
                                .addAttribute("inkscape:groupmode", "layer");

                marked = svg.addElement("g")
                                .addAttribute("inkscape:label", "marked")
                                .addAttribute("z-index", "10")
                                .addAttribute("inkscape:groupmode", "layer");

                routing = svg.addElement("g")
                                .addAttribute("inkscape:label", "routing")
                                .addAttribute("inkscape:groupmode", "layer");

                info = svg.addElement("g")
                                .addAttribute("inkscape:label", "info")
                                .addAttribute("inkscape:groupmode", "layer");
        }

        public Element getRouting() {
                return routing;
        }

        public Element getRoads() {
                return roads;
        }

        public Element getInfo() {
                return info;
        }

    public Element getSpokes() {
        return spokes;
    }

        public void setTransform(int leftOffset, int topOffset) {
                int MARGIN = 30;
                String translate = String.format("translate(%d,%d)", MARGIN - leftOffset, MARGIN - topOffset);
                spokes.addAttribute("transform", translate);
                routing.addAttribute("transform", translate);
                roads.addAttribute("transform", translate);
                info.addAttribute("transform", translate);
                marked.addAttribute("transform", translate);
        }

        public Element getMarked() {
                return marked;
        }
}