source: plugins/odt/_public.php @ 2220

<?php
# vim: set noexpandtab tabstop=5 shiftwidth=5:
# -- BEGIN LICENSE BLOCK ----------------------------------
# This file is part of odt, a plugin for Dotclear.
# 
# Copyright (c) 2009 Aurélien Bompard <aurelien@bompard.org>
# 
# Licensed under the AGPL version 3.0.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/agpl-3.0.html
# -- END LICENSE BLOCK ------------------------------------
if (!defined('DC_RC_PATH')) { return; }

$core->tpl->addValue('ODT',array('tplOdt','odtLink'));

$core->addBehavior('publicHeadContent',
     array('odtBehaviors','publicHeadContent'));
$core->addBehavior('publicEntryBeforeContent',
     array('odtBehaviors','publicEntryBeforeContent'));
$core->addBehavior('publicEntryAfterContent',
     array('odtBehaviors','publicEntryAfterContent'));

require_once(dirname(__FILE__)."/inc/lib.odt.utils.php");
require_once(dirname(__FILE__)."/inc/class.odt.dcodf.php");

class urlOdt extends dcUrlHandlers
{
     public static function odt($args)
     {
          global $core;
          if (!odtUtils::checkConfig()) {
               throw new Exception('Configuration problem, see admin page for details');
          }
          if (!$args) {
               $tpl_name = "home";
          } else {
               $tpl_name = self::loadPost($args);
          }
          # The entry
          $core->tpl->setPath($core->tpl->getPath(),
                              dirname(__FILE__).'/default-templates');
          self::serveDocument($tpl_name.'.odt',
                              'application/vnd.oasis.opendocument.text');
          exit;
     }

     protected static function loadPost($args)
     {
          global $core, $_ctx;
          
          $core->blog->withoutPassword(false);
          
          $args_array = explode("/",$args);
          $params = new ArrayObject();
          $params['post_type'] = $args_array[0];
          $params['post_url'] = implode("/",array_slice($args_array,1));
          if ($params['post_type'] == "pages") $params['post_type'] = "page";

          $_ctx->posts = $core->blog->getPosts($params);
          
          $core->blog->withoutPassword(true);
          
          if ($_ctx->posts->isEmpty()) {
               # No entry
               self::p404();
          }
          
          $post_id = $_ctx->posts->post_id;
          $post_password = $_ctx->posts->post_password;
          
          # Password protected entry
          if ($post_password != '') {
               # Get passwords cookie
               if (isset($_COOKIE['dc_passwd'])) {
                    $pwd_cookie = unserialize($_COOKIE['dc_passwd']);
               } else {
                    $pwd_cookie = array();
               }
               
               # Check for match
               if ((!empty($_POST['password']) && $_POST['password'] == $post_password)
               || (isset($pwd_cookie[$post_id]) && $pwd_cookie[$post_id] == $post_password)) {
                    $pwd_cookie[$post_id] = $post_password;
                    setcookie('dc_passwd',serialize($pwd_cookie),0,'/');
               } else {
                    self::serveDocument('password-form.html','text/html',false);
                    exit;
               }
          }
          
          return $_ctx->posts->post_type;    
     }

     protected static function serveDocument($tpl,$content_type='text/html',$http_cache=true,$http_etag=true)
     {
          global $core, $_ctx, $odf;

          if ($content_type != 'application/vnd.oasis.opendocument.text') {
               return parent::serveDocument($tpl,$content_type,$http_cache,$http_etag);
          }

          if ($_ctx->nb_entry_per_page === null) {
               $_ctx->nb_entry_per_page = $core->blog->settings->nb_post_per_page;
          }
          
          $tpl_file = $core->tpl->getFilePath($tpl);
          
          if (!$tpl_file) {
               throw new Exception('Unable to find template');
          }
          
          $odf = new dcOdf($tpl_file);
          $odf->get_remote_images = $core->blog->settings->odt_import_images;
          if ($_ctx->posts) {
               $odf->xslparams["url"] = $_ctx->posts->getURL();
               $odf->xslparams["heading_minus_level"] = 2;
          } else {
               // exporting the whole blog
               $odf->xslparams["url"] = $core->blog->url;
               $odf->xslparams["heading_minus_level"] = 1;
          }
          if ($core->blog->settings->odt_img_width) {
               $odf->xslparams["img_default_width"] = $core->blog->settings->odt_img_width;
          }
          if ($core->blog->settings->odt_img_height) {
               $odf->xslparams["img_default_height"] = $core->blog->settings->odt_img_height;
          }

          $odf->compile();

          // Export the file to download
          if ($_ctx->posts) {
               $title = $_ctx->posts->post_title;
          } else {
               $title = $core->blog->name;
          }
          $odf->exportAsAttachedFile(str_replace('"','',$title).".odt");
     }
     
}

class tplOdt
{

     public static function odtLink($attr)
     {
          if (!odtUtils::checkConfig()) { return; } # config problem
          return odtUtils::getButton($attr);
     }

     # Widget function
     public static function odtWidget(&$w)
     {
          global $core, $_ctx;

          if (!odtUtils::checkConfig()) { return; } # config problem
          
          if ($w->where == "allbuthome" && $core->url->type == 'default') {
               return;
          } elseif ($w->where == "home" && $core->url->type != 'default') {
               return;
          }
          
          $url = eval('return '.odtUtils::getLink().";");
          $image_url = $core->blog->getQmarkURL().'pf=odt/img/odt.png';
          $res =
          '<div class="odt">'.
          ($w->title ? '<h2>'.html::escapeHTML($w->title).'</h2>' : '').
          '<p><a href="'.$url.'" title="'.__("Export to ODT").
          '"><img alt="ODT" class="odt" src="'.$image_url.
          '" style="vertical-align:middle" /></a> <a href="'.$url.'">'.
          ($w->link_title ? html::escapeHTML($w->link_title) : __('Export to ODT')).
          '</a></p>'.
          '</div>';
          
          return $res;
     }
}

class odtBehaviors
{

     public static function publicHeadContent(&$core,$_ctx)
     {
          if (!odtUtils::checkConfig()) { return; } # config problem
          if (!$core->blog->settings->odt_behavior) { return; } # disabled
          echo "\n<!-- ODT export -->\n";
          echo (
               '<style type="text/css" media="screen">'.
               '@import url('.$core->blog->getQmarkURL().
               'pf=odt/style.css);</style>'."\n"
               );
     }

     public static function publicEntryBeforeContent(&$core,$_ctx)
     {
          if (!odtUtils::checkConfig()) { return; } # config problem
          # Not on the home page
          if ($core->url->type == "default" 
                    or $core->url->type == "default-page") { 
               return;
          }
          if ($core->blog->settings->odt_behavior != "top") { return; }
          echo (odtUtils::getButton(false,"top"));
     }

     public static function publicEntryAfterContent(&$core,$_ctx)
     {
          if (!odtUtils::checkConfig()) { return; } # config problem
          # Not on the home page
          if ($core->url->type == "default" 
                    or $core->url->type == "default-page") { 
               return;
          }
          if ($core->blog->settings->odt_behavior != "bottom") { return; }
          echo (odtUtils::getButton(false,"bottom"));
     }
}
?>