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<?php
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// $Id: s5_book.module,v 1.3 2008/01/12 11:04:57 greggles Exp $
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/**
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* Implementation of hook_help()
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*/
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function s5_book_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Play book pages as S5 presentations.');
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}
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}
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/**
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* Implementation of hook_link()
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* Adds an s5 link to a fully displayed book page
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*/
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function s5_book_link($type, $node = NULL, $teaser = FALSE) {
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$links = array();
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if ($type == 'node' && $node->type == 'book' && !$teaser) {
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$links['s5_book'] = array(
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'title' => t('s5 slideshow'),
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'href' => 'book/export/s5/'. $node->nid,
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'attributes' => array(
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'title' => t('View a slideshow of this book page and subpages.')
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)
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);
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}
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return $links;
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}
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/**
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* Implementation of hook_menu()
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*/
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function s5_book_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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// plug into book module's book/export URL space
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$items[] = array(
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'path' => 'book/export/s5',
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'title' => t('S5 presentation'),
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'access' => user_access('access content'),
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'type' => MENU_CALLBACK,
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'callback' => 's5_book_export'
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);
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// add a tab to the outline editor to ease slide addition
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$items[] = array(
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'path' => 'admin/node/book/add',
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'title' => t('add book page'),
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'access' => user_access('create book pages'),
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'type' => MENU_LOCAL_TASK,
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'callback' => 's5_book_page_add',
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'weight' => 200
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);
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$items[] = array(
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'path' => 'admin/settings/s5_book',
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'title' => t('S5 Book Settings'),
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'description' => t('Enables site settings for S5 Module.'),
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'callback' => 'drupal_get_form',
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'callback arguments' => 's5_book_settings_form',
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'access' => user_access('administer site configuration'),
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);
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}
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return $items;
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}
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/**
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* Admin settings.
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*/
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function s5_book_settings_form() {
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// Allow admins to set the S5 theme to use
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$path = drupal_get_path('module', 's5_book');
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$files = file_scan_directory($path .'/ui', '^slides\.css$');
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$themes = array();
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foreach ($files as $filename => $file) {
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$themes[] = str_replace('/', '', str_replace($path .'/ui', '', str_replace('slides.css', '', $filename)));
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}
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if (count($themes)) {
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$form['s5_book_theme'] = array(
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'#type' => 'select',
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'#title' => t('Display of S5 Exported Books'),
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'#default_value' => variable_get('s5_book_theme','default'),
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'#options' => drupal_map_assoc($themes),
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'#description' => t('Choose your theme from this list. You can also add more themes to S5.'),
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);
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}
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else {
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$form['s5_error_message'] = array(
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'#type' => 'markup',
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'#title' => t('S5 Configuration Error'),
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'#value' => t('It appears that you have no S5 themes. Please make sure the module is installed correctly and that you have at least one theme.'),
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);
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}
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return system_settings_form($form);
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}
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/**
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* Redirector menu handler to have an easier to use UI
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*/
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function s5_book_page_add() {
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drupal_goto('node/add/book');
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}
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/**
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* Export menu handler
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*/
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function s5_book_export($nid = 0) {
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global $base_url;
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$nid = (int) $nid;
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$depth = count(book_location($nid)) + 1;
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$node = node_load($nid);
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// Template variables to fill into the file
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$variables = array(
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'base_url' => "$base_url/",
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'title' => check_plain($node->title),
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'author' => check_plain($node->name),
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'company' => '',
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'location' => '',
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'presdate' => '',
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'slides' => book_recurse($nid, $depth, 's5_book_node_display', 's5_book_node_dumb'),
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);
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// Try to match the node body for information on these details
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$searchfor = array("author", "company", "location", "presdate");
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foreach ($searchfor as $class) {
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if (preg_match('!class="s5-' . $class . '">([^<]+)<!', $node->body, $found)) {
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$variables[$class] = $found[1];
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}
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}
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// Return template filled in with appropriate details
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theme('s5_book_export', $variables);
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}
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/**
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* Book recursion function
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* Flattens the book structure, immediately closing slides for every node
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*/
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function s5_book_node_display($node, $depth, $nid) {
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// Let the content hook take action (taken from book.module)
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if (node_hook($node, 'content')) {
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$node = node_invoke($node, 'content');
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}
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// Enclose slide in wrapper (you can have handout info on slide)
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if ($node->body) {
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return '<div class="slide"><h1>'. check_plain($node->title) ."</h1>\n".
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$node->body .'</div>';
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}
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}
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/**
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* Just avoid running into the default node addendum
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*/
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function s5_book_node_dumb($node, $depth) { }
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/**
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* This is a very basic S5 template, using the default S5 theme,
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* requiring S5 stlye files in modules/s5/ui
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*/
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function theme_s5_book_export($variables) {
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extract($variables);
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$path = drupal_get_path('module', 's5_book');
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$theme = variable_get('s5_book_theme','default');
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echo <<<END_S5_PRESENTATION
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>{$title}</title>
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<base href="{$base_url}" />
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<meta name="generator" content="Drupal S5 Book Export" />
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<meta name="version" content="S5 1.1" />
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<meta name="presdate" content="{$presdate}" />
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<meta name="author" content="{$author}" />
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<meta name="company" content="{$company}" />
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<meta name="defaultView" content="slideshow" />
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<meta name="controlVis" content="hidden" />
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<link rel="stylesheet" href="{$path}/ui/$theme/slides.css" type="text/css" media="projection" id="slideProj" />
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<link rel="stylesheet" href="{$path}/ui/default/outline.css" type="text/css" media="screen" id="outlineStyle" />
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<link rel="stylesheet" href="{$path}/ui/default/print.css" type="text/css" media="print" id="slidePrint" />
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<link rel="stylesheet" href="{$path}/ui/default/opera.css" type="text/css" media="projection" id="operaFix" />
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<script src="{$path}/ui/default/slides.js" type="text/javascript"></script>
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</head>
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<body>
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<div class="layout">
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<div id="controls"></div>
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<div id="currentSlide"></div>
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<div id="header"></div>
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<div id="footer"><h1>{$location}</h1><h2>{$title}</h2></div>
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</div>
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<div class="presentation">
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{$slides}
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</div>
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</body>
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</html>
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END_S5_PRESENTATION;
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}
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