--- /dev/null
+<?PHP // $Id$
+
+/// Library of extra functions for the dialogue module
+
+// SQL FUNCTIONS ///////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_count_all_needing_replies_self($user = '') {
+// count [conversations] needing replies [from] self for all dialogues
+// function requested by Williams Castillo 17 Oct 2003
+ global $USER;
+
+ if ($user) {
+ return count_records_select("dialogue_conversations", "(userid = $user->id OR
+ recipientid = $user->id) AND lastid != $user->id AND closed = 0");
+ } else {
+ return count_records_select("dialogue_conversations", "(userid = $USER->id OR
+ recipientid = $USER->id) AND lastid != $USER->id AND closed = 0");
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_count_closed($dialogue, $user) {
+
+ return count_records_select("dialogue_conversations", "dialogueid = $dialogue->id AND
+ (userid = $user->id OR recipientid = $user->id) AND closed = 1");
+ }
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_count_open($dialogue, $user) {
+
+ return count_records_select("dialogue_conversations", "dialogueid = $dialogue->id AND
+ (userid = $user->id OR recipientid = $user->id) AND closed = 0");
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_count_needing_replies_other($dialogue, $user) {
+// count [conversations] needing replies [from] other [person]
+ return count_records_select("dialogue_conversations", "dialogueid = $dialogue->id AND
+ (userid = $user->id OR recipientid = $user->id) AND lastid = $user->id AND closed = 0");
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_count_needing_replies_self($dialogue, $user) {
+// count [conversations] needing replies [from] self
+
+ return count_records_select("dialogue_conversations", "dialogueid = $dialogue->id AND
+ (userid = $user->id OR recipientid = $user->id) AND lastid != $user->id AND closed = 0");
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_get_participants($dialogueid) {
+//Returns the users with data in one dialogue
+//(users with records in dialogue_conversations, creators and receivers)
+
+ global $CFG;
+
+ //Get conversation's creators
+ $creators = get_records_sql("SELECT DISTINCT u.*
+ FROM {$CFG->prefix}user u,
+ {$CFG->prefix}dialogue_conversations c
+ WHERE c.dialogueid = '$dialogueid' and
+ u.id = c.userid");
+
+ //Get conversation's receivers
+ $receivers = get_records_sql("SELECT DISTINCT u.*
+ FROM {$CFG->prefix}user u,
+ {$CFG->prefix}dialogue_conversations c
+ WHERE c.dialogueid = '$dialogueid' and
+ u.id = c.recipientid");
+
+ //Add receivers to creators
+ if ($receivers) {
+ foreach ($receivers as $receiver) {
+ $creators[$receiver->id] = $receiver;
+ }
+ }
+
+ //Return creators array (it contains an array of unique users, creators and receivers)
+ return ($creators);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_get_available_users($dialogue) {
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ switch ($dialogue->dialoguetype) {
+ case 0 : // teacher to student
+ if (isteacher($course->id)) {
+ return dialogue_get_available_students($dialogue);
+ }
+ else {
+ return dialogue_get_available_teachers($dialogue);
+ }
+ case 1: // student to student
+ if (isstudent($course->id)) {
+ return dialogue_get_available_students($dialogue);
+ }
+ else {
+ return;
+ }
+ case 2: // everyone
+ if ($teachers = dialogue_get_available_teachers($dialogue)) {
+ foreach ($teachers as $userid=>$name) {
+ $names[$userid] = $name;
+ }
+ $names[-1] = "-------------";
+ }
+ if ($students = dialogue_get_available_students($dialogue)) {
+ foreach ($students as $userid=>$name) {
+ $names[$userid] = $name;
+ }
+ }
+ if (isset($names)) {
+ return $names;
+ }
+ return;
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_get_available_students($dialogue) {
+global $USER;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ // get the students on this course (default sort order)...
+ if ($users = get_course_students($course->id)) {
+ foreach ($users as $otheruser) {
+ // ...exclude self and...
+ if ($USER->id != $otheruser->id) {
+ // ...any already in any open conversations unless multiple conversations allowed
+ if ($dialogue->multipleconversations or count_records_select("dialogue_conversations",
+ "dialogueid = $dialogue->id AND
+ ((userid = $USER->id AND recipientid = $otheruser->id) OR
+ (userid = $otheruser->id AND recipientid = $USER->id)) AND closed = 0") == 0) {
+ $names[$otheruser->id] = fullname($otheruser);
+ }
+ }
+ }
+ }
+ if (isset($names)) {
+ asort($names);
+ return $names;
+ }
+ return;
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_get_available_teachers($dialogue) {
+global $USER;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ // get the teachers on this course (default sort order)...
+ if ($users = get_course_teachers($course->id)) {
+ // $names[0] = "-----------------------";
+ foreach ($users as $otheruser) {
+ // ...exclude self and ...
+ if ($USER->id != $otheruser->id) {
+ // ...any already in open conversations unless multiple conversations allowed
+ if ($dialogue->multipleconversations or count_records_select("dialogue_conversations",
+ "dialogueid = $dialogue->id AND ((userid = $USER->id AND
+ recipientid = $otheruser->id) OR (userid = $otheruser->id AND
+ recipientid = $USER->id)) AND closed = 0") == 0) {
+ $names[$otheruser->id] = fullname($otheruser);
+ }
+ }
+ }
+ }
+ if (isset($names)) {
+ asort($names);
+ return $names;
+ }
+ return;
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_get_users_done($dialogue) {
+ global $CFG;
+ return get_records_sql("SELECT u.*
+ FROM {$CFG->prefix}user u,
+ {$CFG->prefix}user_students s,
+ {$CFG->prefix}user_teachers t,
+ {$CFG->prefix}dialogue_entries j
+ WHERE ((s.course = '$dialogue->course' AND s.userid = u.id)
+ OR (t.course = '$dialogue->course' AND t.userid = u.id))
+ AND u.id = j.userid
+ AND j.dialogue = '$dialogue->id'
+ ORDER BY j.modified DESC");
+}
+
+
+// OTHER dialogue FUNCTIONS ///////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_list_conversations_closed($dialogue) {
+// list the closed for the current user
+ global $USER;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ if (! $cm = get_coursemodule_from_instance("dialogue", $dialogue->id, $course->id)) {
+ error("Course Module ID was incorrect");
+ }
+
+ if ($conversations = dialogue_get_conversations($dialogue, $USER, "closed = 1")) {
+ // reorder the conversations by (other) name
+ foreach ($conversations as $conversation) {
+ if ($USER->id != $conversation->userid) {
+ if (!$with = get_record("user", "id", $conversation->userid)) {
+ error("User's record not found");
+ }
+ }
+ else {
+ if (!$with = get_record("user", "id", $conversation->recipientid)) {
+ error("User's record not found");
+ }
+ }
+ $names[$conversation->id] = fullname($with);
+ }
+ asort($names);
+
+ print_simple_box_start();
+ $table->head = array (get_string("dialoguewith", "dialogue"), get_string("subject", "dialogue"),
+ get_string("numberofentries", "dialogue"), get_string("lastentry", "dialogue"),
+ get_string("status", "dialogue"));
+ $table->width = "100%";
+ $table->align = array ("left", "left", "center", "left", "left");
+ $table->size = array ("*", "*", "*", "*", "*");
+ $table->cellpadding = 2;
+ $table->cellspacing = 0;
+
+ foreach ($names as $cid=>$name) {
+ if (!$conversation = get_record("dialogue_conversations", "id", $cid)) {
+ error("Closed conversations: could not find conversation record");
+ }
+ $total = dialogue_count_entries($dialogue, $conversation);
+ $byuser = dialogue_count_entries($dialogue, $conversation, $USER);
+ if ($conversation->closed) {
+ $status = get_string("closed", "dialogue");
+ } else {
+ $status = get_string("open", "dialogue");
+ }
+ $table->data[] = array("<a href=\"dialogues.php?id=$cm->id&action=showdialogues&cid=$conversation->id\">".
+ "$name</a>", $conversation->subject, $byuser." ".get_string("of", "dialogue")." ".$total,
+ userdate($conversation->timemodified), $status);
+ }
+ print_table($table);
+ print_simple_box_end();
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_list_conversations_other($dialogue) {
+// list the conversations of the current user awaiting response from the other person
+ global $THEME, $USER;
+
+ if (!$course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ if (!$cm = get_coursemodule_from_instance("dialogue", $dialogue->id, $course->id)) {
+ error("Course Module ID was incorrect");
+ }
+
+ $timenow = time();
+ if ($conversations = dialogue_get_conversations($dialogue, $USER, "lastid = $USER->id AND closed = 0")) {
+ // reorder the conversations by (other) name
+ foreach ($conversations as $conversation) {
+ if ($USER->id != $conversation->userid) {
+ if (!$with = get_record("user", "id", $conversation->userid)) {
+ error("User's record not found");
+ }
+ }
+ else {
+ if (!$with = get_record("user", "id", $conversation->recipientid)) {
+ error("User's record not found");
+ }
+ }
+ $names[$conversation->id] = fullname($with);
+ }
+ asort($names);
+
+ print_simple_box_start();
+ $table->head = array (get_string("dialoguewith", "dialogue"), get_string("subject", "dialogue"),
+ get_string("numberofentries", "dialogue"), get_string("lastentry", "dialogue"),
+ get_string("status", "dialogue"));
+ $table->width = "100%";
+ $table->align = array ("left", "left", "center", "left", "left");
+ $table->size = array ("*", "*", "*", "*", "*");
+ $table->cellpadding = 2;
+ $table->cellspacing = 0;
+
+ foreach ($names as $cid=>$name) {
+ if (!$conversation = get_record("dialogue_conversations", "id", $cid)) {
+ error("Closed conversations: could not find conversation record");
+ }
+ $total = dialogue_count_entries($dialogue, $conversation);
+ $byuser = dialogue_count_entries($dialogue, $conversation, $USER);
+ if ($conversation->seenon) {
+ $status = get_string("seen", "dialogue", format_time($timenow - $conversation->seenon));
+ } else {
+ $status = get_string("notyetseen", "dialogue");
+ }
+ $table->data[] = array("<a href=\"dialogues.php?id=$cm->id&action=printdialogue&cid=$conversation->id\">".
+ "$name</a>", $conversation->subject, $byuser." ".get_string("of", "dialogue")." ".$total,
+ userdate($conversation->timemodified), $status);
+ }
+ print_table($table);
+ print_simple_box_end();
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_list_conversations_self($dialogue) {
+// list open conversations of the current user awaiting their reply
+ global $THEME, $USER;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ if (! $cm = get_coursemodule_from_instance("dialogue", $dialogue->id, $course->id)) {
+ error("Course Module ID was incorrect");
+ }
+
+ $timenow = time();
+ $showbutton = false;
+ $showemoticon = false; // never show emoticons for now - need to close or reload the popup
+ // window to get the focus into the correct textarea on the second time round
+
+ echo "<form name=\"replies\" method=\"post\" action=\"dialogues.php\">\n";
+ echo "<input type=\"hidden\" name=\"action\" value=\"insertentries\">\n";
+ echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
+ echo "<input type=\"hidden\" name=\"pane\" value=\"1\">\n";
+
+ // list the conversations requiring a resonse from this user in full
+ if ($conversations = dialogue_get_conversations($dialogue, $USER, "lastid != $USER->id AND closed = 0")) {
+ $showbutton = true;
+ print_simple_box_start("center");
+ foreach ($conversations as $conversation) {
+ // set seenon if required
+ if (!$conversation->seenon) {
+ if (!set_field("dialogue_conversations", "seenon", $timenow, "id", $conversation->id)) {
+ error("List conversations self: could not set seenon");
+ }
+ }
+ echo "<center><table border=\"1\" cellspacing=\"0\" valign=\"top\" cellpadding=\"4\"
+ width=\"100%\">\n";
+ echo "<tr><TD BGCOLOR=\"$THEME->cellheading2\" valign=\"top\">\n";
+ if ($conversation->userid == $USER->id) {
+ if (!$otheruser = get_record("user", "id", $conversation->recipientid)) {
+ error("User not found");
+ }
+ }
+ else {
+ if (!$otheruser = get_record("user", "id", $conversation->userid)) {
+ error("User not found");
+ }
+ }
+ // print_user_picture($user->id, $course->id, $user->picture);
+ echo "<b>".get_string("dialoguewith", "dialogue", "$otheruser->firstname $otheruser->lastname").
+ "</b></td>";
+ echo "<td bgcolor=\"$THEME->cellheading2\"><i>$conversation->subject </i><br />\n";
+ echo "<div align=\"right\">\n";
+ if (!$conversation->subject) {
+ // conversation does not have a subject, show add subject link
+ echo "<a href=\"dialogues.php?action=getsubject&id=$cm->id&cid=$conversation->id&pane=2\">".
+ get_string("addsubject", "dialogue")."</a>\n";
+ helpbutton("addsubject", get_string("addsubject", "dialogue"), "dialogue");
+ echo " | ";
+ }
+ if (dialogue_count_entries($dialogue, $conversation)) {
+ echo "<a href=\"dialogues.php?action=confirmclose&id=$cm->id&cid=$conversation->id&pane=1\">".
+ get_string("close", "dialogue")."</a>\n";
+ helpbutton("closedialogue", get_string("close", "dialogue"), "dialogue");
+ }
+ else {
+ echo " ";
+ }
+ echo "<div></td></tr>";
+
+ if ($entries = get_records_select("dialogue_entries", "conversationid = $conversation->id", "id")) {
+ foreach ($entries as $entry) {
+ if ($entry->userid == $USER->id) {
+ echo "<tr><td colspan=\"2\" bgcolor=\"#FFFFFF\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onyouwrote", "dialogue",
+ userdate($entry->timecreated)).":</font><br />".$entry->text);
+ echo "</td></tr>\n";
+ }
+ else {
+ echo "<tr><td colspan=\"2\" bgcolor=\"$THEME->body\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onwrote", "dialogue",
+ userdate($entry->timecreated)." ".$otheruser->firstname).
+ ":</font><br />".$entry->text);
+ echo "</td></tr>\n";
+ }
+ }
+ }
+
+ echo "<tr><td colspan=\"2\" align=\"center\" valign=\"top\">\n";
+ if ($entries) {
+ echo "<i>".get_string("typereply", "dialogue")."</i>\n";
+ }
+ else {
+ echo "<i>".get_string("typefirstentry", "dialogue")."</i>\n";
+ }
+ echo "</td></tr>\n";
+ echo "<tr><td valign=\"top\" align=\"right\">\n";
+ helpbutton("writing", get_string("helpwriting"), "dialogue", true, true);
+ echo "<br />";
+ if ($showemoticon) {
+ emoticonhelpbutton("replies", "reply$conversation->id");
+ $showemoticon = false;
+ }
+ echo "</td><td>\n";
+ // use a cumbersome name on the textarea as the emoticonhelp doesn't like an "array" name
+ echo "<textarea name=\"reply$conversation->id\" rows=\"5\" cols=\"60\" wrap=\"virtual\">";
+ echo "</textarea>\n";
+ echo "</td></tr>";
+ echo "</table></center><br />\n";
+ }
+ print_simple_box_end();
+ if ($showbutton) {
+ echo "<hr />\n";
+ echo "<br /><input type=\"submit\" value=\"".get_string("addmynewentries", "dialogue")."\">\n";
+ }
+ echo "</form>\n";
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_print_conversation($dialogue, $conversation) {
+// print a conversation and allow a new entry
+ global $THEME, $USER;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ if (! $cm = get_coursemodule_from_instance("dialogue", $dialogue->id, $course->id)) {
+ error("Course Module ID was incorrect");
+ }
+
+ $timenow = time();
+ $showbutton = false;
+ $showemoticon = false; // never show emoticons for now - need to close or reload the popup
+ // window to get the focus into the correct textarea on the second time round
+
+ echo "<form name=\"replies\" method=\"post\" action=\"dialogues.php\">\n";
+ echo "<input type=\"hidden\" name=\"action\" value=\"insertentries\">\n";
+ echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
+ echo "<input type=\"hidden\" name=\"pane\" value=\"2\">\n";
+
+ $showbutton = true;
+ print_simple_box_start("center", "", $THEME->cellcontent2);
+ echo "<center><table border=\"1\" cellspacing=\"0\" valign=\"top\" cellpadding=\"4\"
+ width=\"100%\">\n";
+ echo "<tr><td bgcolor=\"$THEME->cellheading2\" valign=\"top\">\n";
+ if ($conversation->userid == $USER->id) {
+ if (!$otheruser = get_record("user", "id", $conversation->recipientid)) {
+ error("User not found");
+ }
+ }
+ else {
+ if (!$otheruser = get_record("user", "id", $conversation->userid)) {
+ error("User not found");
+ }
+ }
+ // print_user_picture($user->id, $course->id, $user->picture);
+ echo "<b>".get_string("dialoguewith", "dialogue", "$otheruser->firstname $otheruser->lastname").
+ "</b></td>";
+ echo "<td bgcolor=\"$THEME->cellheading2\"><i>$conversation->subject </i><br />\n";
+ echo "<div align=\"right\">\n";
+ if (!$conversation->subject) {
+ // conversation does not have a subject, show add subject link
+ echo "<a href=\"dialogues.php?action=getsubject&id=$cm->id&cid=$conversation->id&pane=2\">".
+ get_string("addsubject", "dialogue")."</a>\n";
+ helpbutton("addsubject", get_string("addsubject", "dialogue"), "dialogue");
+ echo " | ";
+ }
+ echo "<a href=\"dialogues.php?action=confirmclose&id=$cm->id&cid=$conversation->id&pane=2\">".
+ get_string("close", "dialogue")."</a>\n";
+ helpbutton("closedialogue", get_string("close", "dialogue"), "dialogue");
+ echo "</div></td></tr>\n";
+
+ if ($entries = get_records_select("dialogue_entries", "conversationid = $conversation->id", "id")) {
+ foreach ($entries as $entry) {
+ if ($entry->userid == $USER->id) {
+ echo "<tr><td colspan=\"2\" bgcolor=\"#FFFFFF\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onyouwrote", "dialogue",
+ userdate($entry->timecreated)).":</font><br />".$entry->text);
+ }
+ else {
+ echo "<tr><td colspan=\"2\" bgcolor=\"$THEME->body\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onwrote", "dialogue",
+ userdate($entry->timecreated)." ".$otheruser->firstname).":</font><br />".
+ $entry->text);
+ }
+ }
+ echo "</td></tr>\n";
+ }
+ echo "<tr><td colspan=\"2\" align=\"center\" valign=\"top\"><i>".
+ get_string("typefollowup", "dialogue")."</i></td></tr>\n";
+ echo "<tr><td valign=\"top\" align=\"right\">\n";
+ helpbutton("writing", get_string("helpwriting"), "dialogue", true, true);
+ echo "<br />";
+ if ($showemoticon) {
+ emoticonhelpbutton("replies", "reply$conversation->id");
+ $showemoticon = false;
+ }
+ echo "</td><td>\n";
+ // use a cumbersome name on the textarea as the emoticonhelp doesn't like an "array" name
+ echo "<textarea name=\"reply$conversation->id\" rows=\"5\" cols=\"60\" wrap=\"virtual\">";
+ echo "</textarea>\n";
+ echo "</td></tr>";
+ echo "</table></center><br />\n";
+ print_simple_box_end();
+ if ($showbutton) {
+ echo "<hr />\n";
+ echo "<b>".get_string("sendmailmessages", "dialogue").":</b> \n";
+ if ($dialogue->maildefault) {
+ echo "<input type=\"checkbox\" name=\"sendthis\" value=\"1\" checked> \n";
+ }
+ else {
+ echo "<input type=\"checkbox\" name=\"sendthis\" value=\"1\"> \n";
+ }
+ helpbutton("sendmail", get_string("sendmailmessages", "dialogue"), "dialogue");
+ echo "<br /><input type=\"submit\" value=\"".get_string("addmynewentry", "dialogue")."\">\n";
+ }
+ echo "</form>\n";
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_print_tabbed_heading($tabs) {
+// Prints a tabbed heading where one of the tabs highlighted.
+// $tabs is an object with several properties.
+// $tabs->names is an array of tab names
+// $tabs->urls is an array of links
+// $tabs->align is an array of column alignments (defaults to "center")
+// $tabs->size is an array of column sizes
+// $tabs->wrap is an array of "nowrap"s or nothing
+// $tabs->highlight is an index (zero based) of "active" heading .
+// $tabs->width is an percentage of the page (defualts to 80%)
+// $tabs->cellpadding padding on each cell (defaults to 5)
+
+ global $CFG, $THEME;
+
+ if (isset($tabs->names)) {
+ foreach ($tabs->names as $key => $name) {
+ if (!empty($tabs->urls[$key])) {
+ $url =$tabs->urls[$key];
+ if ($tabs->highlight == $key) {
+ $tabcontents[$key] = "<b>$name</b>";
+ } else {
+ $tabcontents[$key] = "<a class= \"dimmed\" href=\"$url\"><b>$name</b></a>";
+ }
+ } else {
+ $tabcontents[$key] = "<b>$name</b>";
+ }
+ }
+ }
+
+ if (empty($tabs->width)) {
+ $tabs->width = "80%";
+ }
+
+ if (empty($tabs->cellpadding)) {
+ $tabs->cellpadding = "5";
+ }
+
+ // print_simple_box_start("center", "$table->width", "#ffffff", 0);
+ echo "<table width=\"$tabs->width\" border=\"0\" valign=\"top\" align=\"center\" ";
+ echo " cellpadding=\"$tabs->cellpadding\" cellspacing=\"0\" class=\"generaltable\">\n";
+
+ if (!empty($tabs->names)) {
+ echo "<tr>";
+ echo "<td class=\"generaltablecell\">".
+ "<img width=\"10\" src=\"$CFG->wwwroot/pix/spacer.gif\" alt=\"\"></td>\n";
+ foreach ($tabcontents as $key => $tab) {
+ if (isset($align[$key])) {
+ $alignment = "align=\"$align[$key]\"";
+ } else {
+ $alignment = "align=\"center\"";
+ }
+ if (isset($size[$key])) {
+ $width = "width=\"$size[$key]\"";
+ } else {
+ $width = "";
+ }
+ if (isset($wrap[$key])) {
+ $wrapping = "no wrap";
+ } else {
+ $wrapping = "";
+ }
+ if ($key == $tabs->highlight) {
+ echo "<td valign=top class=\"generaltabselected\" $alignment $width $wrapping bgcolor=\"$THEME->cellheading2\">$tab</td>\n";
+ } else {
+ echo "<td valign=top class=\"generaltab\" $alignment $width $wrapping bgcolor=\"$THEME->cellheading\">$tab</td>\n";
+ }
+ echo "<td class=\"generaltablecell\">".
+ "<img width=\"10\" src=\"$CFG->wwwroot/pix/spacer.gif\" alt=\"\"></td>\n";
+ }
+ echo "</tr>\n";
+ } else {
+ echo "<tr><td>No names specified</td></tr>\n";
+ }
+ // bottom stripe
+ $ncells = count($tabs->names)*2 +1;
+ $height = 2;
+ echo "<tr><td colspan=\"$ncells\" bgcolor=\"$THEME->cellheading2\">".
+ "<img height=\"$height\" src=\"$CFG->wwwroot/pix/spacer.gif\" alt=\"\"></td></tr>\n";
+ echo "</table>\n";
+ // print_simple_box_end();
+
+ return true;
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_show_conversation($dialogue, $conversation) {
+ global $THEME, $USER;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ if (! $cm = get_coursemodule_from_instance("dialogue", $dialogue->id, $course->id)) {
+ error("Course Module ID was incorrect");
+ }
+
+ $timenow = time();
+ print_simple_box_start("center");
+ echo "<center><TABLE BORDER=1 CELLSPACING=0 valign=top cellpadding=4 width=\"100%\">\n";
+
+ echo "<tr>";
+ echo "<td bgcolor=\"$THEME->cellheading2\" valign=\"top\">\n";
+ if ($conversation->userid == $USER->id) {
+ if (!$otheruser = get_record("user", "id", $conversation->recipientid)) {
+ error("User not found");
+ }
+ }
+ else {
+ if (!$otheruser = get_record("user", "id", $conversation->userid)) {
+ error("User not found");
+ }
+ }
+ // print_user_picture($user->id, $course->id, $user->picture);
+ echo "<b>".get_string("dialoguewith", "dialogue", "$otheruser->firstname $otheruser->lastname").
+ "</b></td>";
+ echo "<td bgcolor=\"$THEME->cellheading2\" valign=\"top\"><i>$conversation->subject </i></td></tr>";
+
+ if ($entries = get_records_select("dialogue_entries", "conversationid = $conversation->id", "id")) {
+ foreach ($entries as $entry) {
+ if ($entry->userid == $USER->id) {
+ echo "<tr><td colspan=\"2\" bgcolor=\"#FFFFFF\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onyouwrote", "dialogue",
+ userdate($entry->timecreated)).
+ ":</font><br />".$entry->text);
+ echo "</td></tr>\n";
+ }
+ else {
+ echo "<tr><td colspan=\"2\" bgcolor=\"$THEME->body\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onwrote", "dialogue",
+ userdate($entry->timecreated)." ".$otheruser->firstname).":</font><br />".$entry->text);
+ echo "</td></tr>\n";
+ }
+ }
+ }
+ echo "</TABLE></center><BR CLEAR=ALL>\n";
+ print_simple_box_end();
+ print_continue("view.php?id=$cm->id&pane=3");
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////
+function dialogue_show_other_conversations($dialogue, $conversation) {
+// prints the other CLOSED conversations for this pair of users
+ global $THEME;
+
+ if (! $course = get_record("course", "id", $dialogue->course)) {
+ error("Course is misconfigured");
+ }
+ if (! $cm = get_coursemodule_from_instance("dialogue", $dialogue->id, $course->id)) {
+ error("Course Module ID was incorrect");
+ }
+
+ if (!$user = get_record("user", "id", $conversation->userid)) {
+ error("User not found");
+ }
+ if (!$otheruser = get_record("user", "id", $conversation->recipientid)) {
+ error("User not found");
+ }
+
+ if ($conversations = get_records_select("dialogue_conversations", "dialogueid = $dialogue->id AND
+ ((userid = $user->id AND recipientid = $otheruser->id) OR (userid = $otheruser->id AND
+ recipientid = $user->id)) AND closed = 1", "timemodified DESC")) {
+ if (count($conversations) > 1) {
+ $timenow = time();
+ foreach ($conversations as $otherconversation) {
+ if ($conversation->id != $otherconversation->id) {
+ // for this conversation work out which is the other user
+ if ($otherconversation->userid == $user->id) {
+ if (!$otheruser = get_record("user", "id", $otherconversation->recipientid)) {
+ error("Show other conversations: could not get user record");
+ }
+ }
+ else {
+ if (!$otheruser = get_record("user", "id", $otherconversation->userid)) {
+ error("Show other conversations: could not get user record");
+ }
+ }
+ print_simple_box_start("center");
+ echo "<center><TABLE BORDER=1 CELLSPACING=0 valign=top cellpadding=4 width=\"100%\">\n";
+
+ echo "<TR>";
+ echo "<TD BGCOLOR=\"$THEME->cellheading2\" VALIGN=TOP>\n";
+ // print_user_picture($otheruser->id, $course->id, $otheruser->picture);
+ echo "<b>".get_string("dialoguewith", "dialogue",
+ "$otheruser->firstname $otheruser->lastname")."</b></td>";
+ echo "<td bgcolor=\"$THEME->cellheading2\" valign=\"top\"><i>$otherconversation->subject </i></td></tr>";
+ if ($entries = get_records_select("dialogue_entries",
+ "conversationid = $otherconversation->id", "id")) {
+ foreach ($entries as $entry) {
+ if ($entry->userid == $user->id) {
+ echo "<tr><td colspan=\"2\" bgcolor=\"#FFFFFF\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onyouwrote", "dialogue",
+ userdate($entry->timecreated)).":</font><br />".$entry->text);
+ echo "</td></tr>\n";
+ }
+ else {
+ echo "<tr><td colspan=\"2\" bgcolor=\"$THEME->body\">\n";
+ echo text_to_html("<font size=\"1\">".get_string("onwrote", "dialogue",
+ userdate($entry->timecreated)." ".$otheruser->firstname).
+ ":</font><br />".$entry->text);
+ echo "</td></tr>\n";
+ }
+ }
+ }
+
+ echo "</TABLE></center><BR CLEAR=ALL>\n";
+ print_simple_box_end();
+ }
+ }
+ print_continue("view.php?id=$cm->id&pane=3");
+ }
+ }
+}
+
+
+?>