1<?php
2/**
3 * Site Export Plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     i-net software <tools@inetsoftware.de>
7 * @author     Gerry Weissbach <gweissbach@inetsoftware.de>
8 */
9
10// must be run within Dokuwiki
11if (!defined('DOKU_INC')) define('DOKU_INC', /** @scrutinizer ignore-type */ realpath(dirname(__FILE__) . '/../../') . '/');
12if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
13
14class action_plugin_siteexport_aggregate extends DokuWiki_Action_Plugin {
15
16    /**
17     * Register Plugin in DW
18     **/
19    public function register(Doku_Event_Handler $controller) {
20        $controller->register_hook('TPL_ACT_RENDER', 'BEFORE',  $this, 'siteexport_aggregate');
21        $controller->register_hook('TOOLBAR_DEFINE', 'AFTER', $this, 'siteexport_aggregate_button', array ());
22    }
23
24    private function prefixStart($namespace) {
25        global $conf;
26        return getNS($namespace) . ':' . $conf['start'];
27    }
28
29    public function siteexport_aggregate(Doku_Event &$event)
30    {
31        global $ID, $INFO, $conf, $INPUT;
32
33        // Aggregate only if
34        // (1) this page really has an aggregator and we did submit a request to do so
35        // (2) this page really has an aggregator and we export as PDF
36        if ( !( (!empty($INFO['meta']['siteexport']) && $INFO['meta']['siteexport']['hasaggregator'] == true) && ( $INPUT->has( 'siteexport_aggregate' ) || $conf['renderer_xhtml'] == 'siteexport_pdf' ) ) ) { return true; }
37
38        $exportBase = $INPUT->str('baseID');
39        $namespaces = empty($exportBase) ? $INFO['meta']['siteexport']['baseID'] : getNs($exportBase);
40        $namespaces = explode('|', $namespaces);
41        $namespaces = array_map('cleanID', $namespaces);
42        $namespace = $exportBase = $namespaces[0];
43
44        $functions = plugin_load('helper', 'siteexport');
45        $values = $functions->__getOrderedListOfPagesForID($namespaces, $exportBase);
46/*
47        print '<pre>' . print_r($namespaces, 1) . '</pre>';
48        print '<pre>' . print_r($values, 1) . '</pre>';
49        exit(0);
50//*/
51        // If no base given, take the first one from the ordered list.
52        if ( empty($exportBase) ) {
53            // Reset to latest element
54            list($exportBase) = reset( $values );
55        }
56
57        // If only the one file should be exported, strip it down.
58        if ( $INPUT->bool('exportSelectedVersionOnly' ) ) {
59            // Strip down values
60            $lookupNS = array_map(array($this, 'prefixStart'), $namespaces);
61            if ( $INPUT->has( 'mergecompare_start' ) && $INPUT->has( 'mergecompare_end' ) ) {
62                    $values = $functions->__getOrderedListOfPagesForStartEnd($lookupNS, $INPUT->int( 'mergecompare_start' ), $INPUT->int( 'mergecompare_end', PHP_INT_MAX ) );
63            } else {
64                $values = $functions->__getOrderedListOfPagesForID($lookupNS, $exportBase);
65            }
66        }
67
68        $includeSelected = $INPUT->str('includeSelectedVersion', 'true', true ) === 'true';
69        if( !$includeSelected ) {
70            // Remove entries that are  from the selectes version, but only if more than these entries exists
71            $baseVersion = intval(p_get_metadata($exportBase, 'mergecompare'));
72            if ( $baseVersion == 0 ) {
73                // Not set?!
74                // print_r($values);
75                $baseVersion = $values[count($values)-1][2];
76            }
77
78            $checkValues = array_filter($values, array(new helper_plugin_siteexport_page_remove($baseVersion +1), '_page_remove'));
79            if ( count($checkValues) > 0 ) {
80                $values = $checkValues;
81            }
82        }
83
84        $originalID = (string) $ID;
85
86        // Generate a TOC that can be exported
87        $TOC = "<toc merge mergeheader";
88
89        // add a mergehint, or better remove it if not required
90        if( $INPUT->bool('mergehint', true, true ) ) {
91            $TOC .= " mergehint";
92        }
93
94        $TOC .= ">\n";
95        $thema = array();
96        foreach( $values as $value ) {
97            list($id, $title) = $value;
98
99            $thema[] = p_get_metadata($id, 'thema', METADATA_RENDER_USING_SIMPLE_CACHE);
100            $TOC .= "  * [[{$id}|{$title}]]\n";
101        }
102
103        $TOC .= "</toc>";
104
105        // Only get first and last element
106        $thema = array_reverse(array_unique(array(reset($thema), end($thema))));
107
108        $meta = p_read_metadata($originalID);
109        // Temporary ID for rendering a document.
110        $ID = (string) cleanID($originalID . '-toc-' . implode('-', array_filter($thema)));
111
112        $meta['current']['thema'] = implode(' - ', array_filter($thema));
113        p_save_metadata($originalID, $meta);
114        p_save_metadata($ID, $meta);
115
116        if (empty($TOC)) { return true; }
117        $event->preventDefault();
118
119        $renderer = $INPUT->str('renderer', $conf['renderer_xhtml'], true);
120        $INPUT->set('do', 'export_' . $renderer);
121
122        $html = p_render($renderer, p_get_instructions($TOC), $INFO);
123        if ($INFO['prependTOC']) $html = tpl_toc(true) . $html;
124
125        if (@unlink(metaFN($ID, '.meta')) === false) {
126            dbglog("Could not delete old meta file", metaFN($ID, '.meta'), 1 );
127        }
128
129        $ID = (string) $originalID;
130        echo $html;
131
132        return true;
133    }
134
135    /**
136     * Inserts a toolbar button
137     */
138    public function siteexport_aggregate_button(& $event, $param) {
139        $event->data[] = array (
140            'type' => 'mediapopup',
141            'title' => $this->getLang('toolbarButton'),
142            'icon' => '../../plugins/siteexport/images/toolbar.png',
143            'url' => 'lib/plugins/siteexport/exe/siteexportmanager.php?ns=',
144            'options' => 'width=750,height=500,left=20,top=20,scrollbars=yes,resizable=yes',
145            'block' => false,
146        );
147    }
148}
149