Added export button for 'dokuwiki' tpl pagetools, can be disabled in plugin config. Fixes #86

action.php

@@ -9,7 +9,6 @@
 
 // must be run within Dokuwiki
 if (!defined('DOKU_INC')) die();
-if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
 
 class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
 
@@ -18,7 +17,7 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
     /**
      * Constructor. Sets the correct template
      */
-    function __construct(){
+    public function __construct(){
         $tpl = false;
         if(isset($_REQUEST['tpl'])){
             $tpl = trim(preg_replace('/[^A-Za-z0-9_\-]+/','',$_REQUEST['tpl']));
@@ -33,8 +32,9 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
     /**
      * Register the events
      */
-    function register(Doku_Event_Handler $controller) {
-        $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert',array());
+    public function register(Doku_Event_Handler $controller) {
+        $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert', array());
+        $controller->register_hook('TEMPLATE_PAGETOOLS_DISPLAY', 'BEFORE', $this, 'addbutton', array());
     }
 
     /**
@@ -44,7 +44,7 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
      * @param array      $param
      * @return bool
      */
-    function convert(&$event, $param) {
+    public function convert(&$event, $param) {
         global $ACT;
         global $REV;
         global $ID;
@@ -173,6 +173,31 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
         exit();
     }
 
+    /**
+     * Add 'export pdf'-button to pagetools
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    public function addbutton(&$event, $param) {
+        global $ID, $REV, $conf;
+
+        if($this->getConf('showexportbutton') && $event->data['view'] == 'main') {
+            $params = array('do' => 'export_pdf');
+            if($REV) $params['rev'] = $REV;
+
+            switch($conf['template']) {
+                case 'dokuwiki':
+                    $event->data['items']['export_pdf'] =
+                        '<li>'
+                        .'<a href='.wl($ID, $params).'  class="action export_pdf" rel="nofollow" title="'.$this->getLang('export_pdf_button').'">'
+                        .'<span>'.$this->getLang('export_pdf_button').'</span>'
+                        .'</a>'
+                        .'</li>';
+                    break;
+            }
+        }
+    }
 
     /**
      * Load the various template files and prepare the HTML/CSS for insertion
@@ -313,7 +338,6 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
         return $css;
     }
 
-
     /**
      * Returns a list of possible Plugin PDF Styles
      *
@@ -321,7 +345,7 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
      *
      * @author Andreas Gohr <andi@splitbrain.org>
      */
-    function css_pluginPDFstyles(){
+    protected function css_pluginPDFstyles(){
         $list = array();
         $plugins = plugin_list();
 
@@ -340,5 +364,4 @@ class action_plugin_dw2pdf extends DokuWiki_Action_Plugin {
         }
         return $list;
     }
-
-}
+}

conf/default.php

@@ -5,3 +5,4 @@ $conf['template']       = 'default';
 $conf['maxbookmarks']   = 5;
 $conf['usestyles']      = '';
 $conf['qrcodesize']     = '120x120';
+$conf['showexportbutton'] = 1;

conf/metadata.php

@@ -5,3 +5,4 @@ $meta['template']     = array('dirchoice', '_dir' => DOKU_PLUGIN.'dw2pdf/tpl/');
 $meta['maxbookmarks'] = array('numeric');
 $meta['usestyles']    = array('string');
 $meta['qrcodesize']   = array('string', '_pattern'=>'/^(|\d+x\d+)$/');
+$meta['showexportbutton'] = array('onoff');

lang/en/settings.php

@@ -14,3 +14,4 @@ $lang['template']         = 'Which template should be used for formatting the PD
 $lang['maxbookmarks']     = 'How many section levels should be used in the PDF bookmarks? <small>(0=none, 5=all)</small>';
 $lang['usestyles']        = 'You can give a comma separated list of plugins of which the <code>style.css</code> or <code>screen.css</code> should be used for PDF generation. By default only <code>print.css</code> and <code>pdf.css</code> are used.';
 $lang['qrcodesize']       = 'Size of embedded QR code (in pixels <code><i>width</i><b>x</b><i>height</i></code>). Empty to disable';
+$lang['showexportbutton'] = 'Show PDF export button (only when supported by your template, and the template is whitelisted)';

plugin.info.txt

@@ -1,7 +1,7 @@
 base    dw2pdf
 author  Andreas Gohr and Luigi Micco
 email   l.micco@tiscali.it
-date    2012-05-20
+date    2014-01-06
 name    Dw2Pdf plugin
 desc    DokuWiki to PDF converter
 url     http://www.dokuwiki.org/plugin:dw2pdf