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<?php // $Id: movino_lists.module,v 1.2 2007/10/04 06:45:17 tomsun Exp $
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/*
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Movino Web Frontend
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Copyright 2006, 2007 Tom Sundström
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation.
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This program 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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You should have received a copy of the GNU General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* Implementation of hook_help().
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*/
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function movino_lists_help($section) {
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switch ($section) {
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case 'admin/help#help':
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// TODO: expand
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$output = '<p>'. t('Provides pages and Drupal blocks with various lists of Movino videos. If the Views module and the Movino Node module are enabled, a customizable set of Views are provided. Otherwise, a hard coded set of pages and blocks are used.') . '</p>';
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return $output;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function movino_lists_menu($may_cache) {
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global $user;
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$items = array();
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if (!$may_cache) {
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$items[] = array(
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'path' => 'movino',
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'title' => t('Movino'),
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'description' => t('Movino content.'),
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'callback' => 'movino_video_page',
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'access' => user_access('view live Movino content') || user_access('view archived Movino content'),
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);
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$items[] = array(
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'path' => 'movino/live',
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'title' => t('Live content'),
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'description' => t('Live Movino content.'),
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'callback' => 'movino_video_page',
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'access' => user_access('view live Movino content'),
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);
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$items[] = array(
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'path' => 'movino/archived',
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'title' => t('Archived content'),
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'description' => t('Movino archived content.'),
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'callback' => 'movino_video_page',
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'access' => user_access('view archived Movino content'),
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);
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}
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return $items;
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}
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/**
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* Implementation of hook_block().
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*/
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function movino_lists_block($op = 'list', $delta = 0, $edit = array()) {
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if ($op == 'list') {
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// Block descriptions.
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$blocks[0]['info'] = t('Movino: Most recent live video');
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$blocks[1]['info'] = t('Movino: Live videos');
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$blocks[2]['info'] = t('Movino: Archived videos');
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return $blocks;
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}
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else if ($op == 'configure') {
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// Block configuration forms.
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switch($delta) {
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case 1:
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case 2:
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$form['limit'] = array(
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'#type' => 'textfield',
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'#title' => t('Maximum number of videos'),
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'#default_value' => variable_get('movino_lists_block_limit_'. $delta, 10),
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'#maxlength' => 3,
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'#size' => 3,
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'#description' => t('The maximum number of videos to show in this block.'),
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);
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$form['more'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show more-link'),
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'#default_value' => variable_get('movino_lists_block_more_'. $delta, 1),
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'#description' => t('Whether or not to show a link to the page when there are more videos available than the maximum set above.'),
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);
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return $form;
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}
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}
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else if ($op == 'save') {
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// Code to trigger when block configuration is saved.
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switch ($delta) {
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case 1:
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case 2:
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variable_set('movino_lists_block_limit_'. $delta, $edit['limit']);
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variable_set('movino_lists_block_more_'. $delta, $edit['more']);
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return;
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}
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}
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else if ($op == 'view') {
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$block = array();
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switch ($delta) {
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case 0:
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$block['subject'] = t('Most recent live video');
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$block['content'] = '';
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if (!user_access('view live Movino content')) {
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return $block;
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}
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// Fetch the live video info
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$videos = movino_get_videos('live', NULL, NULL, 1);
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// Return an empty block if there are no videos available.
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if (!empty($videos)) {
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// Pick the most recent video.
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$video = array_shift($videos);
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// Add the most recent video using an embedded player.
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$block['content'] .= theme('movino_content', $video, FALSE);
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}
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return $block;
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case 1:
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$block['subject'] = t('Live videos');
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$block['content'] = '';
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if (!user_access('view live Movino content')) {
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return $block;
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}
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// Fetch the live video metadata.
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$limit = variable_get('movino_lists_block_limit_'. $delta, 10);
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$videos = movino_get_videos('live', NULL, NULL, $limit + 1);
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// Return an empty block if there are no videos available.
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if (!empty($videos)) {
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// Generate a list
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$block['content'] .= theme('movino_video_list', $videos, FALSE, $limit);
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if ($limit < count($videos) && variable_get('movino_lists_block_more_'. $delta, 1)) {
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// Add a more link.
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$block['content'] .= l(t('More live videos'), 'movino/live');
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}
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}
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return $block;
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case 2:
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$block['subject'] = t('Archived videos', NULL, NULL, $limit);
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$block['content'] = '';
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if (!user_access('view archived Movino content')) {
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return $block;
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}
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// Fetch the archived video metadata.
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$limit = variable_get('movino_lists_block_limit_'. $delta, 10);
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$videos = movino_get_videos('archived', NULL, NULL, $limit + 1);
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// Return an empty block if there are no videos available.
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if (!empty($videos)) {
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// Generate a list
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$block['content'] .= theme('movino_video_list', $videos, FALSE, $limit);
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if ($limit < count($videos) && variable_get('movino_lists_block_more_'. $delta, 1)) {
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// Add a more link.
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$block['content'] .= l(t('More archived videos'), 'movino/archived');
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}
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}
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return $block;
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}
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}
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}
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/**
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* Implementation of hook_movino_video_prepare():
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*/
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function movino_lists_movino_video_prepare(&$video) {
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// Add the path to the video page,
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// except if we use movino nodes and
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// the node module has already added the path.
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if (!isset($video['page'])) {
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$video['page'] = 'movino/video/' . $video['server'] . '/' . $video['id'];
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}
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}
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/**
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* Most Movino-related pages are generated through this function.
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*
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* @return page
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*/
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function movino_video_page($type = FALSE, $server_id = FALSE, $video_id = FALSE) {
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if (!$type) {
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$type = arg(1);
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}
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if (!$server_id) {
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$server_id = arg(2);
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}
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if (!$video_id) {
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$video_id = arg(3);
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}
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$valid_types = array('live', 'archived');
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$msg = t('Unsupported request.');
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$title = $msg;
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if (empty($type) && empty($server_id) && empty($video_id)) {
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return '<ul><li>'. l(t('Live Movino content'), 'movino/live') . '</li><li>' . l(t('Archived Movino content'), 'movino/archived') . '</li></ul>';
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}
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// Generate an overview page.
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if (in_array($type, $valid_types)) {
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$videos = movino_get_videos($type);
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if (MOVINO_DEBUG) {
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drupal_set_message('Displaying multiple videos: '. count($videos));
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}
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return theme('movino_video_list', $videos);
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// Generate a single video page.
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} elseif ($type = 'video') {
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// Redirect to the node if movino nodes are enabled and it exists.
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if (module_exists('movino_node') && $nid = movino_node_get_video_nid($server_id, $video_id)) {
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drupal_goto('node/' . $nid);
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}
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$video = movino_get_video($server_id, $video_id);
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if (!empty($video) && is_array($video)) {
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// Found a matching video.
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drupal_set_title(_movino_video_title($video));
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return theme_movino_content($video, TRUE, FALSE, TRUE);
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}
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$msg = t('The video you requested does not exist.');
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}
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drupal_set_title($title);
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return $msg;
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}
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/**
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* Theme function for lists of video.
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*
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* @param array $videos
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* The videos you want to list
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* @param string $shorten_titles
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* Optionally shorten long titles.
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*
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* @return string of HTML
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*/
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function theme_movino_video_list($videos, $pager = TRUE, $limit = 10, $element = 0) {
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// Pager behaviour from pager_query().
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global $pager_page_array, $pager_total, $pager_total_items;
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$page = isset($_GET['page']) ? $_GET['page'] : '';
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$pager_page_array = explode(',', $page);
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$pager_total_items[$element] = count($videos);
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$pager_total[$element] = ceil($pager_total_items[$element] / $limit);
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$pager_page_array[$element] = max(0, min((int)$pager_page_array[$element], ((int)$pager_total[$element]) - 1));
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if ($pager) {
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$output .= theme('pager', array(), $limit, $element);
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}
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// Check that we have videos to display.
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if (empty($videos) || !is_array($videos)) {
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$output .= t('No videos available');
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} else {
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$first_video = array_shift($videos);
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$output .= '<div class="movino-video-list movino-video-list-'.$first_video['type'].'">';
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array_unshift($videos, $first_video);
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// Filter out the videos to show on this page.
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$offset = ($pager ? $pager_page_array[$element] : 0);
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if ($limit > 0) {
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$display_videos = array_slice($videos, ($offset * $limit), $limit);
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} else {
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$display_videos = $videos;
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}
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if (empty($videos)) {
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$output .= t('Invalid page request.');
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} else {
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foreach ($display_videos as $video) {
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$output .= '<div class="movino-content-list-item">';
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$output .= theme('movino_content', $video, FALSE);
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$output .= '</div>';
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}
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}
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$output .= '</div>';
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}
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if ($pager) {
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$output .= theme('pager', array(), $limit, $element);
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}
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return $output;
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}
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