apflora/src/modules/getKmlForTpop.js

Aktionsplan Flora Kt. Zürich

/**
 * baut das kml für Populationen
 * bekommt die Daten der Populationen
 * retourniert das kml
 */


'use strict';

var _                    = require('underscore'),
    removeKmlNogoStrings = require('./removeKmlNogoStrings'),
    getHeaderForKml      = require('./getHeaderForKml'),
    getFooterForKml      = require('./getFooterForKml'),
    getTimestamp         = require('./getTimestamp');

var returnFunction = function (pops) {
    var filename = 'Teilpopulationen_' + getTimestamp(),
        kml,
        art,
        zeile;

    // header schreiben
    kml = getHeaderForKml(filename);
    // folder beginnen
    kml += '<Folder>';

    // Zeilen schreiben
    _.each(pops, function (tpop) {
        zeile = '';
        if (art && art !== tpop.Art) {
            // neue Art: Folder abschliessen und neuen beginnen
            zeile += '</Folder><Folder>';
        }
        zeile += '<name>';
        zeile += removeKmlNogoStrings(tpop.Art);
        zeile += '</name>';
        zeile += '<Placemark><name>';
        zeile += removeKmlNogoStrings(tpop.Label);
        zeile += '</name>';
        // html in xml muss in cdata gewickelt werden
        zeile += '<description><![CDATA[';
        zeile += removeKmlNogoStrings(tpop.Inhalte);
        zeile += '<br><a href=\'';
        zeile += tpop.URL;
        zeile += '\'>Formular öffnen</a>';
        zeile += ']]></description>';
        zeile += '<styleUrl>#default+nicon=http://maps.google.com/mapfiles/kml/pal3/icon63.png+hicon=http://maps.google.com/mapfiles/kml/pal3/icon55.png</styleUrl>';
        zeile += '<Point><coordinates>';
        zeile += tpop.Laengengrad;
        zeile += ',';
        zeile += tpop.Breitengrad;
        zeile += ',0</coordinates></Point>';
        zeile += '</Placemark>';
        // art zwischenspeichern, um zu merken, wenn sie ändert
        art = tpop.Art;
        kml += zeile + '\n';
    });

    // folder abschliessen
    kml += '</Folder>';

    // footer schreiben
    kml += getFooterForKml();

    // kml zurück geben
    return kml;

};

module.exports = returnFunction;