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MDL-8022 chat accessiblity

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- new gui_basic that can be used as fallback or accessible option to gui_header_js - it is not compatible with chat daemon
- todo: CSS styling, beeping, JS fallback code in view.php and noframes fallback in gui_header_js
- minor changes in messaging language strings
- minor coding style improvements
This commit is contained in:
skodak
2006-12-29 18:33:41 +00:00
parent e623c5c689
commit 6ee78ceeaf
7 changed files with 193 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lang/en_utf8/message.php
-1
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@@ -48,7 +48,6 @@ $string['onlymycourses'] = 'Only in my courses';
$string['onlytome'] = 'Only messages to me';
$string['pagerefreshes'] = 'This page refreshes automatically every $a seconds';
$string['readmessages'] = '$a read messages';
$string['refresh'] = 'Refresh';
$string['removecontact'] = 'Remove contact';
$string['savemysettings'] = 'Save my settings';
$string['search'] = 'Search';
lang/en_utf8/moodle.php
+2
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@@ -1099,6 +1099,7 @@ $string['recentactivityreport'] = 'Full report of recent activity...';
$string['recipientslist'] = 'Recipients list';
$string['recreatedcategory'] = 'Recreated category $a';
$string['refreshingevents'] = 'Refreshing events';
$string['refresh'] = 'Refresh';
$string['registration'] = 'Moodle Registration';
$string['registrationcontact'] = 'Contact from the public';
$string['registrationcontactno'] = 'No, I do not want a contact form in the site listing';
@@ -1318,6 +1319,7 @@ $string['studentsandteachers'] = 'Students and teachers';
$string['studentviewoff'] = 'Turn student view off';
$string['studentviewon'] = 'Turn student view on';
$string['subcategories'] = 'Sub-categories';
$string['submit'] = 'Submit';
$string['success'] = 'Success';
$string['summary'] = 'Summary';
$string['summaryof'] = 'Summary of $a';
message/discussion.php
+1 -1
View File
@@ -175,7 +175,7 @@
}
echo '</div><div>';
echo '<input type="submit" value="'.get_string('sendmessage', 'message').'" />&nbsp;';
echo '<input type="submit" name="refresh" value="'.get_string('refresh', 'message').'" />';
echo '<input type="submit" name="refresh" value="'.get_string('refresh').'" />';
echo '<input type="checkbox" name="newonly" id="newonly" '.($newonly?'checked="checked" ':'').'/><label for="newonly">'.get_string('newonlymsg', 'message').'</label>';
echo '</div>';
echo '</form>';
message/lib.php
+1 -1
View File
@@ -212,7 +212,7 @@ document.write("'.$autorefresh.'")
//]]>
</script>';
echo '<noscript><div align="center">';
echo print_single_button('index.php', false, get_string('refresh', 'message'));
echo print_single_button('index.php', false, get_string('refresh'));
echo '</div></noscript>';
}
mod/chat/gui_basic/index.php
+177
View File
@@ -0,0 +1,177 @@
<?php // $Id$
require_once('../../../config.php');
require_once('../lib.php');
$id = required_param('id', PARAM_INT);
$groupid = optional_param('groupid', 0, PARAM_INT); // only for teachers
$message = optional_param('message', '', PARAM_CLEAN);
$refresh = optional_param('refresh', '', PARAM_RAW); // force refresh
$last = optional_param('last', 0, PARAM_INT); // last time refresh or sending
$newonly = optional_param('newonly', 0, PARAM_BOOL); // show only new messages
if (!$chat = get_record('chat', 'id', $id)) {
error('Could not find that chat room!');
}
if (!$course = get_record('course', 'id', $chat->course)) {
error('Could not find the course this belongs to!');
}
if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
error('Course Module ID was incorrect');
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_login($course->id, false, $cm);
require_capability('mod/chat:chat',$context);
/// Check to see if groups are being used here
if ($groupmode = groupmode($course, $cm)) { // Groups are being used
if ($groupid = get_and_set_current_group($course, $groupmode, $groupid)) {
if (!$group = get_record('groups', 'id', $groupid)) {
error("That group (id $groupid) doesn't exist!");
}
$groupname = ': '.$group->name;
} else {
$groupname = ': '.get_string('allparticipants');
}
} else {
$groupid = 0;
$groupname = '';
}
$strchat = get_string('modulename', 'chat'); // must be before current_language() in chat_login_user() to force course language!!!
$strchats = get_string('modulenameplural', 'chat');
$stridle = get_String('idle', 'chat');
if (!$chat_sid = chat_login_user($chat->id, 'basic', $groupid, $course)) {
error('Could not log in to chat room!!');
}
if (!$chatuser = get_record('chat_users', 'sid', $chat_sid)) {
error('Not logged in!');
}
if (!$chatusers = chat_get_users($chat->id, $groupid)) {
error(get_string('errornousers', 'chat'));
}
set_field('chat_users', 'lastping', time(), 'id', $USER->id);
if (!isset($SESSION->chatprefs)) {
$SESSION->chatprefs = array();
}
if (!isset($SESSION->chatprefs[$chat->id])) {
$SESSION->chatprefs[$chat->id] = array();
$SESSION->chatprefs[$chat->id]['chatentered'] = time();
}
$chatentered = $SESSION->chatprefs[$chat->id]['chatentered'];
$refreshedmessage = '';
if (!empty($refresh) and data_submitted()) {
$refreshedmessage = $message;
} else if (empty($refresh) and data_submitted() and confirm_sesskey()) {
chat_delete_old_users();
if ($message!='') {
$newmessage = new object();
$newmessage->chatid = $chat->id;
$newmessage->userid = $USER->id;
$newmessage->groupid = $groupid;
$newmessage->systrem = 0;
$newmessage->message = $message;
$newmessage->timestamp = time();
if (!insert_record('chat_messages', $newmessage)) {
error('Could not insert a chat message!');
}
set_field('chat_users', 'lastmessageping', time(), 'id', $USER->id);
add_to_log($course->id, 'chat', 'talk', "view.php?id=$cm->id", $chat->id, $cm->id);
}
redirect('index.php?id='.$id.'&amp;newonly='.$newonly.'&amp;last='.$last);
}
print_header($strchat.': '.format_string($chat->name));
echo '<div class="chat-basic">';
echo '<h2>'.get_string('participants').'</h2>';
echo '<div class="participants"><ul>';
foreach($chatusers as $chu) {
echo '<li>';
print_user_picture($chu->id, $course->id, $chu->picture, 24, false, false);
echo '&nbsp;'.fullname($chu).' - ';
$lastping = time() - $chatuser->lastmessageping;
$min = (int) ($lastping/60);
$sec = $lastping - ($min*60);
$min = $min < 10 ? '0'.$min : $min;
$sec = $sec < 10 ? '0'.$sec : $sec;
$idle = $min.':'.$sec;
echo '<span class="idle">'.$stridle.' '.format_time($lastping).'</span>';
echo '</li>';
}
echo '</ul></div>';
echo '<div id="send">';
echo '<form name="editing" method="post" action="index.php">';
echo '<input type="hidden" name="id" value="'.$id.'" />';
echo '<input type="hidden" name="groupid" value="'.$groupid.'" />';
echo '<input type="hidden" name="last" value="'.time().'" />';
echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
$usehtmleditor = can_use_html_editor();
echo '<h2><label for="edit-message">'.get_string('sendmessage', 'message').'</label></h2>';
echo '<div>';
print_textarea(false, 2, 50, 0, 0, 'message', $refreshedmessage);
echo '</div><div>';
echo '<input type="submit" value="'.get_string('submit').'" />&nbsp;';
echo '<input type="submit" name="refresh" value="'.get_string('refresh').'" />';
echo '<input type="checkbox" name="newonly" id="newonly" '.($newonly?'checked="checked" ':'').'/><label for="newonly">'.get_string('newonlymsg', 'message').'</label>';
echo '</div>';
echo '</form>';
echo '</div>';
echo '<div id="messages">';
echo '<h2>'.get_string('messages', 'chat').'</h2>';
$allmessages = array();
$options = new object();
$options->para = false;
$options->newlines = true;
if ($newonly) {
$lastsql = "AND timestamp > $last";
} else {
$lastsql = "";
}
$groupselect = $groupid ? "AND (groupid='$groupid' OR groupid='0')" : "";
$messages = get_records_select("chat_messages",
"chatid = '$chat->id' AND timestamp > $chatentered $lastsql $groupselect",
"timestamp DESC");
if ($messages) {
foreach ($messages as $message) {
$allmessages[] = chat_format_message($message, $course->id, $USER);
}
}
if (empty($allmessages)) {
echo get_string('nomessagesfound', 'message');
} else {
foreach ($allmessages as $message) {
echo $message->basic;
}
}
echo '</div></div>';
print_footer('none');
?>
mod/chat/gui_header_js/insert.php
+1
View File
@@ -38,6 +38,7 @@
if (!empty($chat_message)) {
$message = new object();
$message->chatid = $chatuser->chatid;
$message->userid = $chatuser->userid;
$message->groupid = $chatuser->groupid;
mod/chat/lib.php
+11 -2
View File
@@ -402,6 +402,7 @@ function chat_login_user($chatid, $version, $groupid, $course) {
return false;
}
} else {
$chatuser = new object();
$chatuser->chatid = $chatid;
$chatuser->userid = $USER->id;
$chatuser->groupid = $groupid;
@@ -430,6 +431,7 @@ function chat_login_user($chatid, $version, $groupid, $course) {
if ($version == 'sockets') {
// do not send 'enter' message, chatd will do it
} else {
$message = new object();
$message->chatid = $chatuser->chatid;
$message->userid = $chatuser->userid;
$message->groupid = $groupid;
@@ -452,12 +454,14 @@ function chat_delete_old_users() {
global $CFG;
$timeold = time() - $CFG->chat_old_ping;
$timeoldext = time() - ($CFG->chat_old_ping*2); // JSless basic gui needs much longer timeouts
$query = "lastping < '$timeold'";
$query = "(version<>'basic' AND lastping<'$timeold') OR (version='basic' AND lastping<'$timeoldext')";
if ($oldusers = get_records_select('chat_users', $query) ) {
delete_records_select('chat_users', $query);
foreach ($oldusers as $olduser) {
$message = new object();
$message->chatid = $olduser->chatid;
$message->userid = $olduser->userid;
$message->groupid = $olduser->groupid;
@@ -516,7 +520,7 @@ function chat_update_chat_times($chatid=0) {
function chat_format_message_manually($message, $courseid, $sender, $currentuser, $chat_lastrow=NULL) {
global $CFG, $USER;
$output = New stdClass;
$output = new object();
$output->beep = false; // by default
$output->refreshusers = false; // by default
@@ -552,6 +556,7 @@ function chat_format_message_manually($message, $courseid, $sender, $currentuser
$output->text = $message->strtime.': '.get_string('message'.$message->message, 'chat', fullname($sender));
$output->html = '<table class="chat-event"><tr'.$rowclass.'><td class="picture">'.$message->picture.'</td><td class="text">';
$output->html .= '<span class="event">'.$output->text.'</span></td></tr></table>';
$output->basic = '<dl><dt>'.$message->strtime.': '.get_string('message'.$message->message, 'chat', fullname($sender)).'</dt></dl>';
if($message->message == 'exit' or $message->message == 'enter') {
$output->refreshusers = true; //force user panel refresh ASAP
@@ -565,6 +570,7 @@ function chat_format_message_manually($message, $courseid, $sender, $currentuser
/// Parse the text to clean and filter it
$options = new object();
$options->para = false;
$text = format_text($text, FORMAT_MOODLE, $options, $courseid);
// And now check for special cases
@@ -613,6 +619,9 @@ function chat_format_message_manually($message, $courseid, $sender, $currentuser
$output->html .= "<span class=\"title\">$outinfo</span>";
if ($outmain) {
$output->html .= ": $outmain";
$output->basic = '<dl><dt>'.$outinfo.':</dt><dd>'.$outmain.'</dd></dl>';
} else {
$output->basic = '<dl><dt>'.$outinfo.'</dt></dl>';
}
$output->html .= "</td></tr></table>";
return $output;