Proyectos de Subversion Moodle

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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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 * This script displays one thumbnail of the image in current user's dropbox.
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 * If {@link repository_dropbox::send_thumbnail()} can not display image
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 * the default 64x64 filetype icon is returned
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 *
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 * @package    repository_dropbox
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 * @copyright  2012 Marina Glancy
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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require(__DIR__.'/../../config.php');
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require_once(__DIR__.'/lib.php');
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$repoid     = optional_param('repo_id', 0, PARAM_INT);           // Repository ID
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$contextid = optional_param('ctx_id', SYSCONTEXTID, PARAM_INT); // Context ID
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$source    = optional_param('source', '', PARAM_TEXT);          // File path in current user's dropbox
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$thumbnailavailable = isloggedin();
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$thumbnailavailable = $thumbnailavailable && $repoid;
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$thumbnailavailable = $thumbnailavailable && $source;
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$thumbnailavailable = $thumbnailavailable && ($repo = repository::get_repository_by_id($repoid, $contextid));
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$thumbnailavailable = $thumbnailavailable && method_exists($repo, 'send_thumbnail');
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if ($thumbnailavailable) {
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    // Try requesting thumbnail and outputting it.
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    // This function exits if thumbnail was retrieved.
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    $repo->send_thumbnail($source);
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}
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// Send default icon for the file type.
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$fileicon = file_extension_icon($source);
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send_file($CFG->dirroot . '/pix/' . $fileicon . '.png', basename($fileicon) . '.svg');