xref: /dokuwiki/vendor/openpsa/universalfeedcreator/lib/Creator/KMLCreator.php (revision a087da71ea972d05ca659a1e9406c87aa7ae258b) 
1<?php
2
3/**
4 * KMLCreator is a FeedCreator that implements a KML output, suitable for Keyhole/Google Earth
5 *
6 * @since   1.7.3
7 * @author  Barry Hunter <geo@barryhunter.co.uk>
8 * @package de.bitfolge.feedcreator
9 */
10class KMLCreator extends FeedCreator
11{
12
13    /**
14     * KMLCreator constructor.
15     */
16    public function __construct()
17    {
18        $this->contentType = "application/vnd.google-earth.kml+xml";
19        $this->encoding = "utf-8";
20    }
21
22    /** @inheritdoc */
23    public function createFeed()
24    {
25        $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
26        $feed .= $this->_createStylesheetReferences();
27        $feed .= "<kml xmlns=\"http://earth.google.com/kml/2.0\">\n";
28        $feed .= "<Document>\n";
29        if ($_GET['LinkControl']) {
30            $feed .= "<NetworkLinkControl>\n<minRefreshPeriod>3600</minRefreshPeriod>\n</NetworkLinkControl>\n";
31        }
32        if (!empty($_GET['simple']) && count($this->items) > 0) {
33            $feed .= "<Style id=\"defaultIcon\">
34            <LabelStyle>
35            <scale>0</scale>
36            </LabelStyle>
37            </Style>
38            <Style id=\"hoverIcon\">".
39                (($this->items[0]->thumb != "") ? "
40                <IconStyle id=\"hoverIcon\">
41                <scale>2.1</scale>
42                </IconStyle>" : '')."
43                </Style>
44                <StyleMap id=\"defaultStyle\">
45                <Pair>
46                <key>normal</key>
47                <styleUrl>#defaultIcon</styleUrl>
48                </Pair>
49                <Pair>
50                <key>highlight</key>
51                <styleUrl>#hoverIcon</styleUrl>
52                </Pair>
53                </StyleMap>
54                ";
55            $style = "#defaultStyle";
56        } else {
57            $style = "root://styleMaps#default?iconId=0x307";
58        }
59        $feed .= "<Folder>\n";
60        $feed .= "  <name>".FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</name>
61        <description>".$this->getDescription()."</description>
62        <visibility>1</visibility>\n";
63        $this->truncSize = 500;
64
65        for ($i = 0; $i < count($this->items); $i++) {
66            //added here beucase description gets auto surrounded by cdata
67            $this->items[$i]->description = "<b>".$this->items[$i]->description."</b><br/>
68            ".$this->items[$i]->licence."
69            <br/><br/><a href=\"".htmlspecialchars($this->items[$i]->link)."\">View Online</a>";
70
71            $feed .= "
72            <Placemark>
73            <description>".$this->items[$i]->getDescription(true)."</description>
74            <name>".FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)), 100)."</name>
75            <visibility>1</visibility>
76            <Point>
77            <coordinates>".$this->items[$i]->long.",".$this->items[$i]->lat.",25</coordinates>
78            </Point>";
79            if ($this->items[$i]->thumb != "") {
80                $feed .= "
81                <styleUrl>$style</styleUrl>
82                <Style>
83                <icon>".htmlspecialchars($this->items[$i]->thumb)."</icon>
84                    </Style>";
85            }
86            $feed .= "
87            </Placemark>\n";
88        }
89        $feed .= "</Folder>\n</Document>\n</kml>\n";
90
91        return $feed;
92    }
93
94    /**
95     * Generate a filename for the feed cache file. Overridden from FeedCreator to prevent XML data types.
96     *
97     * @return string the feed cache filename
98     * @since  1.4
99     * @access private
100     */
101    protected function _generateFilename()
102    {
103        $fileInfo = pathinfo($_SERVER["PHP_SELF"]);
104
105        return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"]) + 1)).".kml";
106    }
107}
108