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<?php
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/* $Id$ */
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/**
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* Implementation of hook_help().
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*
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*/
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function hidden_content_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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// This description is shown in the listing at admin/modules.
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return t('This is a filter module that enables you to make parts of your homepage hidden to users that are not in a special role or user.');
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}
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}
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/**
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* Implementation of hook_filter_tips().
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*
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*/
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function hidden_content_filter_tips($delta, $format, $long = false){
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if($long){
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$text = "To make a part of your page hidden put it into [hidden] and [/hidden] tags.<br />\n";
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$text .= "You can specify which role is able to see the content by using the attribute role like this:<br />\n";
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$text .= "[hidden role=5]text[/hidden]. This will enable role 5 to see the text.\n<br />";
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$text .= "You can specify that only one user is able to see it with the user parameter:<br />\n";
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$text .= "[hidden user=2]text[/hidden]. This will enable user 2 to see the text.\n<br />";
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$text .= "You may only specify one parameter.\n<br />";
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$text .= "You may specify multiple users OR roles as a ';' seperated list.\n<br />";
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$text .= "[hidden role=2;3]text[/hidden]. This will enable role 2 and 3 to see the text.\n<br />";
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$text .= "If you ommit both parameters only user 1 will be able to see it.\n<br />";
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return t($text);
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}else{
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return t("You may insert [hidden]text[/hidden] into your text.");
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}
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}
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/**
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* Implementation of hook_filter().
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*
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*/
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function hidden_content_filter($op, $delta = 0, $format = -1, $text = ''){
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global $user;
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switch ($op) {
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case 'no cache':
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return true;
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case 'list':
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return array(0 => t('hidden content'));
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case 'description':
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return t('Provides [hidden] and [/hidden] tags wich create a hidden area in your text that only a specified role or user can see.');
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case 'prepare':
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return $text;
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case 'process':
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if(!ereg('\[hidden',$text)){
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return $text;
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}
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$parts=explode('[hidden',$text);
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$new_text=$parts[0];
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for($part_num=1;$part_num<count($parts);$part_num++){
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$part=$parts[$part_num];
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if(ereg('^ role=([0-9;]+)\]',$part,$hit)){
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$roles=$hit[1];
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$part=ereg_replace('^ role=([0-9;]+)\]','',$part);
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$show=false;
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$roles=explode(';',$roles);
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foreach($roles as $role){
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if($user->roles[$role]!=""){
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$show=true;
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}
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}
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}else if(ereg('^ user=([0-9;]+)\]',$part,$hit)){
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$users=$hit[1];
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$part=ereg_replace('^ user=([0-9;]+)\]','',$part);
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$show=false;
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$users=explode(';',$users);
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foreach($users as $user_id){
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if($user->uid==$user_id){
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$show=true;
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}
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}
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}else if(ereg('^\]',$part,$hit)){
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$part=ereg_replace('^\]','',$part);
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if($user->uid==1){
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$show=true;
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}else{
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$show=false;
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}
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}else{
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$show=false;
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}
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$small_parts=explode('[/hidden]',$part);
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$first=array_shift($small_parts);
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if($show){
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$new_text.=$first;
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}
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$new_text.=implode('[/hidden]',$small_parts);
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}
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return $new_text;
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break;
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}
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}
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/**
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* Valid permissions for this module
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* @return array An array of valid permissions for the onthisdate module
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*/
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function hidden_content_perm() {
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return array();
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} // function onthisdate_perm()
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