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<?php
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/**
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* @file
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* Functions relating to the style system, not including core hooks and
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* preprocess / theme functions.
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*/
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/**
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* Returns the name of the forum style to use.
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*/
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function advanced_forum_get_current_style() {
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return variable_get('advanced_forum_style', 'silver_bells');
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}
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/**
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* Returns style.
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*/
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function advanced_forum_get_style($style) {
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ctools_include('plugins');
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return ctools_get_plugins('advanced_forum', 'styles', $style);
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}
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/**
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* Returns all styles.
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*/
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function advanced_forum_get_all_styles() {
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ctools_include('plugins');
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return ctools_get_plugins('advanced_forum', 'styles');
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}
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/**
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* Returns the path to the advanced forum style.
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*/
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function advanced_forum_path_to_style($requested_style = NULL) {
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// Set a static variable so this is cached after the first call.
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static $style_paths = array();
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if (empty($requested_style)) {
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// If no style is passed in, assume the current style is wanted.
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$requested_style = advanced_forum_get_current_style();
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}
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if (empty($style_path)) {
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// Get the path information.
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$styles = advanced_forum_get_all_styles();
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foreach ($styles as $key => $style) {
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$style_paths[$key] = $style['path'];
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}
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}
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return $style_paths[$requested_style];
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}
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/**
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* Starting at a given style, return paths of it and all ancestor styles.
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*/
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function advanced_forum_style_lineage($style = NULL) {
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static $lineages = array();
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if (empty($style)) {
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// If no style is passed in, assume the current style is wanted.
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$style = advanced_forum_get_current_style();
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}
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if (!array_key_exists($style, $lineages)) {
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$lineage = array();
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// Get an array with information from all styles.
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$all_styles = advanced_forum_get_all_styles();
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// Fallback.
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if (empty($all_styles[$style])) {
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$style = "silver_bells";
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}
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// Add the current style to the lineage first.
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$lineage[$style] = $all_styles[$style]['path'];
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// Check if there is an "extra style" listed. This allows you to grab the
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// CSS of one other style and toss it in as a pseudo parent. We do not
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// follow the path up its parent. The primary use is for adding in the
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// "stacked" CSS but could be used for other purposes as well.
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if (!empty($all_styles[$style]['extra style']) && !empty($all_styles[$all_styles[$style]['extra style']]['path'])) {
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$extra_style = $all_styles[$style]['extra style'];
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$lineage[$extra_style] = $all_styles[$extra_style]['path'];
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}
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// Grab the style we are looking at. This variable starts out as the current
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// style in use on the page but will change as we move up the chain.
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$current_style = $style;
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while (!empty($all_styles[$current_style]['base style'])) {
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// There is a parent style, so move up to it.
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$current_style = $all_styles[$current_style]['base style'];
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// Make sure the listed parent style actually exists.
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if (!empty($all_styles[$current_style]['path'])) {
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// Add the style to our list.
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$lineage[$current_style] = $all_styles[$current_style]['path'];
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}
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}
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$lineages[$style] = $lineage;
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}
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return $lineages[$style];
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}
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/**
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* Starting at a given style, return path of template file.
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*/
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function advanced_forum_style_template_path($template_name, $style = NULL) {
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static $styles_files = array();
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if (empty($styles_files)) {
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$styles_files = file_scan_directory(drupal_get_path('module', 'advanced_forum') . '/styles', '/(.*)/', array(), 2);
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}
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$lineage = advanced_forum_style_lineage($style);
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$path = '';
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foreach ($lineage as $key => $path) {
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$template_path = "";
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}
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return $path;
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}
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/**
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* Add basename of file.
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*/
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function advanced_forum_template_basename(&$file, $key, $extension) {
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$file->name = basename($file->uri, $extension);
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}
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/**
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* Find style template.
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*/
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function advanced_forum_find_style_templates($style = NULL) {
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// Get theme engine extension.
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global $theme_engine;
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$extension = '.tpl.php';
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if (isset($theme_engine)) {
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$extension_function = $theme_engine . '_extension';
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if (function_exists($extension_function)) {
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$extension = $extension_function();
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}
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}
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// Most significant style template comes first in lineage array.
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$lineage = array_reverse(advanced_forum_style_lineage($style), TRUE);
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$templates = array();
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// Loop through each style folder looking for templates.
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foreach ($lineage as $key => $path) {
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$styles_files = file_scan_directory($path, '/' . str_replace('.', '\.', $extension) . '$/', array('key' => 'filename'));
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foreach ($styles_files as $file) {
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$file->name = basename($file->uri, $extension);
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$theme_file = $file->name;
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$theme_path = advanced_forum_path_to_theme();
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// Remove style name from file name.
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$theme_base_file = str_replace(".$key.", "-", $file->name);
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// Transform - in filenames to _ to match function naming scheme
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// and create proper hook name.
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$hook = strtr($theme_base_file, '-', '_');
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// Check for user theme template override
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// 1. check for <theme>/<style>/advanced-forum.<style>.<template>.tpl.php
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if (file_exists($theme_path . "/$key/" . $file->name . $extension)) {
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$theme_path = $theme_path . "/$key";
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}
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// 2. check for <theme>/advanced-forum-<template>.tpl.php
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elseif (file_exists($theme_path . "/" . $theme_base_file . $extension)) {
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$theme_file = $theme_base_file;
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}
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// 3. check for advanced_forum/styles/<style>/... template.
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else {
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$theme_path = dirname($file->uri);
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}
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$templates[$hook] = array(
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'template' => $theme_file,
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'path' => $theme_path,
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);
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}
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}
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return $templates;
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}
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/**
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* Load any .inc files related to the style so that preprocess functions can run as appropriate.
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*/
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function advanced_forum_load_style_includes($style = NULL) {
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$lineage = advanced_forum_style_lineage($style);
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foreach ($lineage as $key => $path) {
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if (file_exists("$path/$key.inc")) {
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require_once "$path/$key.inc";
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}
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}
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}
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/**
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* Get the info for a style, using an additive notation to include all items from the parent lineage.
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*/
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function advanced_forum_style_info($style = NULL) {
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static $info = array();
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if (empty($style)) {
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// If no style is passed in, assume the current style is wanted.
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$style = advanced_forum_get_current_style();
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}
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if (!array_key_exists($style, $info)) {
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$info[$style] = array();
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$lineage = advanced_forum_style_lineage();
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foreach ($lineage as $key => $dir) {
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// Using the + operator is additive but will not overwrite.
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// $lineage comes out as the actual style with each
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// successive style after it, so simply adding the arrays
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// together means that all info will be combined and keys
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// in the parent info will be defaults passed down to children
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// only if they do not override them.
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$info[$style] += advanced_forum_get_style($key);
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}
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}
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return $info[$style];
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}
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/**
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* Returns whether forum is styled.
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*/
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function advanced_forum_is_styled($content, $teaser = FALSE, $type = 'node') {
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// This is the ID of the topic starting node.
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static $master_topic_id;
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// Give other modules a first crack at making the decision. To keep this
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// simple, he last one in the array wins.
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$topic_ids = module_invoke_all('advanced_forum_is_styled_alter', $content, $teaser, $type);
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$topic_id = end($topic_ids);
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if (!$topic_id) {
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// If no other modules made a decision on this, we look at it.
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switch ($type) {
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case 'node':
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// See if the node should be styled.
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$topic_id = advanced_forum_node_is_styled($content, $teaser);
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break;
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case 'comment':
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$topic_id = advanced_forum_comment_is_styled($content, $master_topic_id);
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break;
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case 'comment-wrapper':
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if ($content->nid == $master_topic_id) {
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// Use our comment wrapper only if we are on a styled node.
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$topic_id = $master_topic_id;
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}
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break;
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}
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}
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if ($topic_id > 0) {
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// If we have a positive number for the topic ID, then this item is styled.
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// We need to update the master ID, add the CSS/JS files, and tell the caller
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// our decision.
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$master_topic_id = $topic_id;
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_advanced_forum_add_files();
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return TRUE;
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}
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elseif ($topic_id == -42) {
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// A -42 means all the tests passed but the node is being previewed so there
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// is no node id, yet. Add the files and return true but don't update the
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// master topic ID.
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_advanced_forum_add_files();
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return TRUE;
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}
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}
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/**
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* Returns whether node is styled.
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*/
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function advanced_forum_node_is_styled($node, $teaser = FALSE) {
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// Get the list of types that should have the style applied.
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$styled_node_types = variable_get('advanced_forum_styled_node_types', array('forum'));
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// If this type is in the list of types that should be styled...
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if (in_array($node->type, $styled_node_types)) {
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// ...and if we are styling teasers or this isn't a teaser...
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if (variable_get('advanced_forum_style_teasers', FALSE) || !$teaser) {
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// ...and if this is not a new node being previewed...
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if (!empty($node->nid)) {
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// ...and if we are styling non forum tagged nodes or this is forum tagged...
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if (!variable_get('advanced_forum_style_only_forum_tagged', TRUE) || advanced_forum_is_forum_tagged($node)) {
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// ... then return the node ID.
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return $node->nid;
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}
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}
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// ...or if this _is_ a new node being previewed...
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else {
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// ...and if we are styling non forum tagged nodes or this is forum tagged...
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if (!variable_get('advanced_forum_style_only_forum_tagged', TRUE) || advanced_forum_is_forum_tagged($node, TRUE)) {
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// ...Send back -42 as a special code to say that this should be
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// styled but that it isn't the actual node id.
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return -42;
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}
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}
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}
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}
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}
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/**
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* Returns whether comment is styled.
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*/
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function advanced_forum_comment_is_styled($comment, $master_topic_id) {
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if (isset($master_topic_id) && ($comment->nid == $master_topic_id)) {
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// This comment is on a node we already know is styled, or a previous
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// comment on this node is styled, so the comment is styled.
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return $master_topic_id;
|
321 |
|
|
}
|
322 |
|
|
|
323 |
|
|
if (variable_get("advanced_forum_style_all_comments", 0)) {
|
324 |
|
|
// All comments on this site should be styled.
|
325 |
|
|
return $comment->nid;
|
326 |
|
|
}
|
327 |
|
|
|
328 |
|
|
// Load up the node this comment is attached to and see if it is styled.
|
329 |
|
|
// This should not happen often, only in a case where the comment is
|
330 |
|
|
// displayed seperately from the node (such as a reply preview).
|
331 |
|
|
$node = node_load($comment->nid);
|
332 |
|
|
if (advanced_forum_node_is_styled($node, FALSE)) {
|
333 |
|
|
return $comment->nid;
|
334 |
|
|
}
|
335 |
|
|
|
336 |
13c3c9b4
|
Assos Assos
|
// Comment doesn't pass any styling test.
|
337 |
85ad3d82
|
Assos Assos
|
return -1;
|
338 |
|
|
}
|
339 |
|
|
|
340 |
13c3c9b4
|
Assos Assos
|
/**
|
341 |
|
|
* Returns whether forum is tagged.
|
342 |
|
|
*/
|
343 |
85ad3d82
|
Assos Assos
|
function advanced_forum_is_forum_tagged($node, $preview = FALSE) {
|
344 |
|
|
// Is this a forum node at all?
|
345 |
|
|
if (empty($node->taxonomy_forums)) {
|
346 |
|
|
return FALSE;
|
347 |
|
|
}
|
348 |
|
|
$vid = variable_get('forum_nav_vocabulary');
|
349 |
|
|
|
350 |
13c3c9b4
|
Assos Assos
|
// Check for language used.
|
351 |
85ad3d82
|
Assos Assos
|
if (empty($node->taxonomy_forums[$node->language])) {
|
352 |
|
|
$langcode = LANGUAGE_NONE;
|
353 |
|
|
}
|
354 |
|
|
else {
|
355 |
|
|
$langcode = $node->language;
|
356 |
|
|
}
|
357 |
|
|
|
358 |
|
|
if ($preview) {
|
359 |
13c3c9b4
|
Assos Assos
|
foreach ($node->taxonomy_forums[$langcode] as $tforum) {
|
360 |
85ad3d82
|
Assos Assos
|
if ($tforum['taxonomy_term']->vid == $vid) {
|
361 |
|
|
return TRUE;
|
362 |
|
|
}
|
363 |
|
|
}
|
364 |
|
|
}
|
365 |
|
|
else {
|
366 |
13c3c9b4
|
Assos Assos
|
// Get a list of the terms attached to this node.
|
367 |
85ad3d82
|
Assos Assos
|
$terms = $node->taxonomy_forums[$langcode];
|
368 |
|
|
if (count($terms) > 0) {
|
369 |
|
|
return TRUE;
|
370 |
|
|
}
|
371 |
|
|
}
|
372 |
|
|
}
|
373 |
|
|
|
374 |
|
|
/**
|
375 |
|
|
* Returns the path to actual site theme in use because path_to_theme is flaky.
|
376 |
|
|
*/
|
377 |
|
|
function advanced_forum_path_to_theme() {
|
378 |
|
|
global $theme;
|
379 |
|
|
|
380 |
|
|
if (!empty($theme)) {
|
381 |
|
|
// Normally, the global theme variable is set, so we use that.
|
382 |
|
|
return drupal_get_path('theme', $theme);
|
383 |
|
|
}
|
384 |
|
|
|
385 |
|
|
// For some reason I've never figured out, some users are reporting
|
386 |
|
|
// that the global theme variable is not set when this is called.
|
387 |
|
|
// As a band-aid solution, this will pull the default theme out of the
|
388 |
|
|
// database and use that.
|
389 |
|
|
$default_theme = variable_get('theme_default', 'garland');
|
390 |
|
|
return drupal_get_path('theme', $default_theme);
|
391 |
|
|
}
|
392 |
|
|
|
393 |
|
|
/**
|
394 |
13c3c9b4
|
Assos Assos
|
* Manipulate the template suggestions to add in one for each style as well as the default.
|
395 |
85ad3d82
|
Assos Assos
|
*/
|
396 |
|
|
function advanced_forum_add_template_suggestions($template, &$variables) {
|
397 |
13c3c9b4
|
Assos Assos
|
// Adjust template name.
|
398 |
85ad3d82
|
Assos Assos
|
$template = strtr($template, '-', '_');
|
399 |
|
|
if (strpos($template, 'advanced_forum') === FALSE) {
|
400 |
|
|
$template = "advanced_forum_" . $template;
|
401 |
|
|
}
|
402 |
13c3c9b4
|
Assos Assos
|
// Set AF template as most significant suggestion.
|
403 |
85ad3d82
|
Assos Assos
|
$variables['theme_hook_suggestion'] = $template;
|
404 |
|
|
$variables['theme_hook_suggestions'][] = $template;
|
405 |
|
|
return;
|
406 |
|
|
}
|
407 |
|
|
|
408 |
|
|
/**
|
409 |
|
|
* Adds extra files needed for styling.
|
410 |
13c3c9b4
|
Assos Assos
|
*
|
411 |
85ad3d82
|
Assos Assos
|
* This is currently just CSS files but was made generic to allow adding
|
412 |
|
|
* javascript in the future.
|
413 |
|
|
*/
|
414 |
|
|
function _advanced_forum_add_files() {
|
415 |
|
|
// This could get called more than once on a page and we only need to do it once.
|
416 |
|
|
static $added;
|
417 |
|
|
|
418 |
|
|
if (empty($added)) {
|
419 |
|
|
$added = TRUE;
|
420 |
|
|
$lineage = advanced_forum_style_lineage();
|
421 |
|
|
$lineage = array_reverse($lineage, TRUE);
|
422 |
|
|
$theme_path = advanced_forum_path_to_theme();
|
423 |
|
|
|
424 |
|
|
foreach (array('structure.css', 'style.css', 'images.css') as $css_type) {
|
425 |
|
|
$css_file = "$theme_path/advanced-forum.$css_type";
|
426 |
|
|
if (file_exists($css_file)) {
|
427 |
|
|
// CSS files with no style name in the theme directory trump all
|
428 |
|
|
// to provide a theme specific style override.
|
429 |
|
|
drupal_add_css($css_file);
|
430 |
|
|
}
|
431 |
|
|
else {
|
432 |
|
|
// For each style from the current style on up through each parent
|
433 |
|
|
// style, look for the style specific CSS file first in the active
|
434 |
|
|
// theme and then in the style directory.
|
435 |
13c3c9b4
|
Assos Assos
|
foreach ($lineage as $key => $path) {
|
436 |
c169e7c4
|
Assos Assos
|
$css_file = "advanced-forum.$key.$css_type";
|
437 |
85ad3d82
|
Assos Assos
|
if (file_exists("$theme_path/$css_file")) {
|
438 |
|
|
// If the style specific file is in the theme, use that.
|
439 |
|
|
drupal_add_css("$theme_path/$css_file");
|
440 |
|
|
}
|
441 |
|
|
elseif (file_exists("$path/$css_file")) {
|
442 |
|
|
// Otherwise look in the style for it.
|
443 |
c169e7c4
|
Assos Assos
|
drupal_add_css("$path/$css_file");
|
444 |
85ad3d82
|
Assos Assos
|
}
|
445 |
|
|
}
|
446 |
|
|
}
|
447 |
|
|
}
|
448 |
|
|
|
449 |
|
|
advanced_forum_load_style_includes();
|
450 |
|
|
}
|
451 |
|
|
}
|
452 |
|
|
|
453 |
13c3c9b4
|
Assos Assos
|
/**
|
454 |
|
|
* Ctools integration for styles.
|
455 |
|
|
*/
|
456 |
85ad3d82
|
Assos Assos
|
function advanced_forum_ctools_plugin_type() {
|
457 |
|
|
return array(
|
458 |
|
|
'styles' => array(
|
459 |
|
|
'info file' => TRUE,
|
460 |
|
|
'load themes' => TRUE,
|
461 |
|
|
),
|
462 |
|
|
);
|
463 |
|
|
} |