[moodle.git] / mod / survey / lib.php

<?PHP // $Id$

// Graph size
$SURVEY_GHEIGHT = 500;
$SURVEY_GWIDTH  = 900;

$SURVEY_QTYPE = array (
        "-3" => "Virtual Actual and Preferred",
        "-2" => "Virtual Preferred",
        "-1" => "Virtual Actual",
         "0" => "Text",
         "1" => "Actual",
         "2" => "Preferred",
         "3" => "Actual and Preferred",
        );

// STANDARD FUNCTIONS ////////////////////////////////////////////////////////

function survey_add_instance($survey) {
// Given an object containing all the necessary data, 
// (defined by the form in mod.html) this function 
// will create a new instance and return the id number 
// of the new instance.

    if (!$template = get_record("survey", "id", $survey->template)) {
        return 0;
    }

    $survey->questions    = $template->questions; 
    $survey->timecreated  = time();
    $survey->timemodified = $survey->timecreated;

    return insert_record("survey", $survey);

}


function survey_update_instance($survey) {
// Given an object containing all the necessary data, 
// (defined by the form in mod.html) this function 
// will update an existing instance with new data.

    if (!$template = get_record("survey", "id", $survey->template)) {
        return 0;
    }

    $survey->id           = $survey->instance; 
    $survey->questions    = $template->questions; 
    $survey->timemodified = time();

    return update_record("survey", $survey);
}

function survey_delete_instance($id) {
// Given an ID of an instance of this module, 
// this function will permanently delete the instance 
// and any data that depends on it.  

    if (! $survey = get_record("survey", "id", "$id")) {
        return false;
    }

    $result = true;

    if (! delete_records("survey_analysis", "survey", "$survey->id")) {
        $result = false;
    }

    if (! delete_records("survey_answers", "survey", "$survey->id")) {
        $result = false;
    }

    if (! delete_records("survey", "id", "$survey->id")) {
        $result = false;
    }

    return $result;
}

function survey_user_outline($course, $user, $mod, $survey) {
    if ($answers = get_records_select("survey_answers", "survey='$survey->id' AND userid='$user->id'")) {

        $lastanswer = array_pop($answers);

        $result->info = get_string("done", "survey");
        $result->time = $lastanswer->time;
        return $result;
    }
    return NULL;
}


function survey_user_complete($course, $user, $mod, $survey) {
    global $CFG;

    if (survey_already_done($survey->id, $user->id)) {
        survey_print_graph("id=$mod->id&sid=$user->id&type=student.png");
    } else {
        print_string("notdone", "survey");
    }
}

function survey_print_recent_activity($course, $isteacher, $timestart) {
    global $CFG;

    $content = false;
    $surveys = NULL;

    if (!$logs = get_records_select("log", "time > '$timestart' AND ".
                                           "course = '$course->id' AND ".
                                           "module = 'survey' AND ".
                                           "action = 'submit' ", "time ASC")) {
        return false;
    }

    foreach ($logs as $log) {
        //Create a temp valid module structure (course,id)
        $tempmod->course = $log->course;
        $tempmod->id = $log->info;
        //Obtain the visible property from the instance
        $modvisible = instance_is_visible($log->module,$tempmod);
   
        //Only if the mod is visible
        if ($modvisible) {
            $surveys[$log->id] = survey_log_info($log);
            $surveys[$log->id]->time = $log->time;
            $surveys[$log->id]->url = $log->url;
        }
    }

    if ($surveys) {
        $content = true;
        $strftimerecent = get_string("strftimerecent");
        print_headline(get_string("newsurveyresponses", "survey").":");
        foreach ($surveys as $survey) {
            $date = userdate($survey->time, $strftimerecent);
            echo "<p><font size=1>$date - ".fullname($survey)."<br />";
            echo "\"<a href=\"$CFG->wwwroot/mod/survey/$survey->url\">";
            echo "$survey->name";
            echo "</a>\"</font></p>";
        }
    }
 
    return $content;
}

function survey_get_participants($surveyid) {
//Returns the users with data in one survey
//(users with records in survey_analysis and survey_answers, students)

    global $CFG;

    //Get students from survey_analysis
    $st_analysis = get_records_sql("SELECT DISTINCT u.*
                                    FROM {$CFG->prefix}user u,
                                         {$CFG->prefix}survey_analysis a
                                    WHERE a.survey = '$surveyid' and
                                          u.id = a.userid");
    //Get students from survey_answers
    $st_answers = get_records_sql("SELECT DISTINCT u.*
                                   FROM {$CFG->prefix}user u,
                                        {$CFG->prefix}survey_answers a
                                   WHERE a.survey = '$surveyid' and
                                         u.id = a.userid");

    //Add st_answers to st_analysis
    if ($st_answers) {
        foreach ($st_answers as $st_answer) {
            $st_analysis[$st_answer->id] = $st_answer;
        }
    }
    //Return st_analysis array (it contains an array of unique users)
    return ($st_analysis);
}

// SQL FUNCTIONS ////////////////////////////////////////////////////////


function survey_log_info($log) {
    global $CFG;
    return get_record_sql("SELECT s.name, u.firstname, u.lastname, u.picture
                             FROM {$CFG->prefix}survey s, 
                                  {$CFG->prefix}user u
                            WHERE s.id = '$log->info' 
                              AND u.id = '$log->userid'");
}

function survey_get_responses($survey) {
    global $CFG;
    return get_records_sql("SELECT MAX(a.time) as time, 
                                   count(*) as numanswers, 
                                   u.id, u.firstname, u.lastname, u.picture
                              FROM {$CFG->prefix}survey_answers AS a, 
                                   {$CFG->prefix}user AS u
                             WHERE a.survey = $survey 
                                   AND a.userid = u.id
                          GROUP BY u.id, u.firstname, u.lastname
                          ORDER BY time ASC");
}

function survey_get_analysis($survey, $user) {
    global $CFG;

    return get_record_sql("SELECT notes 
                             FROM {$CFG->prefix}survey_analysis 
                            WHERE survey='$survey' 
                              AND userid='$user'");
}

function survey_update_analysis($survey, $user, $notes) {
    global $CFG;

    return execute_sql("UPDATE {$CFG->prefix}survey_analysis 
                            SET notes='$notes' 
                          WHERE survey='$survey' 
                            AND userid='$user'");
}


function survey_get_user_answers($surveyid, $questionid, $sort="sa.answer1,sa.answer2 ASC") {
    global $CFG;

    return get_records_sql("SELECT sa.*,u.firstname,u.lastname,u.picture 
                              FROM {$CFG->prefix}survey_answers sa, 
                                   {$CFG->prefix}user u 
                             WHERE sa.survey = '$surveyid' 
                               AND sa.question = $questionid 
                               AND u.id = sa.userid 
                          ORDER BY $sort");
}

function survey_get_user_answer($surveyid, $questionid, $userid) {
    global $CFG;

    return get_record_sql("SELECT sa.* 
                              FROM {$CFG->prefix}survey_answers sa
                             WHERE sa.survey = '$surveyid' 
                               AND sa.question = '$questionid' 
                               AND sa.userid = '$userid'");
}

// MODULE FUNCTIONS ////////////////////////////////////////////////////////

function survey_add_analysis($survey, $user, $notes) {
    global $CFG;

    $record->survey = $survey;
    $record->userid = $user;
    $record->notes = $notes;

    return insert_record("survey_analysis", $record, false);
}

function survey_already_done($survey, $user) {
   return record_exists("survey_answers", "survey", $survey, "userid", $user);
}

function survey_count_responses($survey) {
    if ($responses = survey_get_responses($survey)) {
        return count($responses);
    } else {
        return 0;
    }
}


function survey_print_all_responses($cmid, $results, $courseid) {
    global $THEME;

    $table->head  = array ("", get_string("name"),  get_string("time"), get_string("answers", "survey"));
    $table->align = array ("", "left", "left", "right");
    $table->size = array (35, "", "", "");

    foreach ($results as $a) {
        $table->data[] = array(print_user_picture($a->id, $courseid, $a->picture, false, true, false),
               "<a href=\"report.php?action=student&student=$a->id&id=$cmid\">".fullname($a)."</a>", 
               userdate($a->time), $a->numanswers);
    }

    print_table($table);
}


function survey_get_template_name($templateid) {
    global $db;

    if ($templateid) {
        if ($ss = get_record("surveys", "id", $templateid)) {
            return $ss->name;
        }
    } else {
        return "";
    }
}


function survey_shorten_name ($name, $numwords) {
    $words = explode(" ", $name);
    for ($i=0; $i < $numwords; $i++) {
        $output .= $words[$i]." ";
    }
    return $output;
}


function survey_print_multi($question) {
    GLOBAL $db, $qnum, $checklist, $THEME;


    $stripreferthat = get_string("ipreferthat", "survey");
    $strifoundthat = get_string("ifoundthat", "survey");
    echo "<P>&nbsp</P>\n";
	echo "<P><FONT SIZE=4><B>$question->text</B></FONT></P>";

	echo "<TABLE ALIGN=CENTER WIDTH=90% CELLPADDING=4 CELLSPACING=1 BORDER=0>";

    $options = explode( ",", $question->options);
    $numoptions = count($options);

    $oneanswer = ($question->type == 1 || $question->type == 2) ? true : false;
	if ($question->type == 2) {
		$P = "P";
	} else {
		$P = "";
	}
   
    if ($oneanswer) { 
        echo "<TR WIDTH=100% ><TD COLSPAN=2><P>$question->intro</P></TD>";
    } else {
        echo "<TR WIDTH=100% ><TD COLSPAN=3><P>$question->intro</P></TD>"; 
    }

    while (list ($key, $val) = each ($options)) {
        echo "<TD width=10% ALIGN=CENTER><FONT SIZE=1><P>$val</P></FONT></TD>\n";
    }
    echo "<TD ALIGN=CENTER BGCOLOR=\"$THEME->body\">&nbsp</TD></TR>\n";

    $subquestions = get_records_list("survey_questions", "id", $question->multi);

    foreach ($subquestions as $q) {
        $qnum++;
        $bgcolor = survey_question_color($qnum);

        if ($q->text) {
            $q->text = get_string($q->text, "survey");
        }

        echo "<TR BGCOLOR=$bgcolor>";
        if ($oneanswer) {
            echo "<TD WIDTH=10 VALIGN=top><P><B>$qnum</B></P></TD>";
            echo "<TD VALIGN=top><P>$q->text</P></TD>";
            for ($i=1;$i<=$numoptions;$i++) {
                echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=q$P$q->id VALUE=$i></TD>";
            }
            echo "<TD BGCOLOR=white><INPUT TYPE=radio NAME=q$P$q->id VALUE=0 checked></TD>";
            $checklist["q$P$q->id"] = $numoptions;
        
        } else {
            echo "<TD WIDTH=10 VALIGN=middle rowspan=2><P><B>$qnum</B></P></TD>";
            echo "<TD WIDTH=10% NOWRAP><P><FONT SIZE=1>$stripreferthat&nbsp;</FONT></P></TD>";
            echo "<TD WIDTH=40% VALIGN=middle rowspan=2><P>$q->text</P></TD>";
            for ($i=1;$i<=$numoptions;$i++) {
                echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=qP$q->id VALUE=$i></TD>";
            }
            echo "<TD BGCOLOR=\"$THEME->body\"><INPUT TYPE=radio NAME=qP$q->id VALUE=0 checked></TD>";
            echo "</TR>";

            echo "<TR BGCOLOR=$bgcolor>";
            echo "<TD WIDTH=10% NOWRAP><P><FONT SIZE=1>$strifoundthat&nbsp;</P></TD>";
            for ($i=1;$i<=$numoptions;$i++) {
                echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=q$q->id VALUE=$i></TD>";
            }
            echo "<TD WIDTH=5% BGCOLOR=\"$THEME->body\"><INPUT TYPE=radio NAME=q$q->id VALUE=0 checked></TD>";
            $checklist["qP$q->id"] = $numoptions;
            $checklist["q$q->id"] = $numoptions;
        }
        echo "</TR>\n";
    }
    echo "</TABLE>";
}


function survey_print_single($question) {
    GLOBAL $db, $qnum;

    $bgcolor = survey_question_color(0);

    $qnum++;

    echo "<P>&nbsp</P>\n";
    echo "<TABLE ALIGN=CENTER WIDTH=90% CELLPADDING=4 CELLSPACING=0>\n";
    echo "<TR BGCOLOR=$bgcolor>";
    echo "<TD VALIGN=top><B>$qnum</B></TD>";
    echo "<TD WIDTH=50% VALIGN=top><P>$question->text</P></TD>\n";
    echo "<TD WIDTH=50% VALIGN=top><P><FONT SIZE=+1>\n";


    if ($question->type == 0) {           // Plain text field
        echo "<TEXTAREA ROWS=3 COLS=30 WRAP=virtual NAME=\"$question->id\">$question->options</TEXTAREA>";

    } else if ($question->type > 0) {     // Choose one of a number
        $strchoose = get_string("choose");
        echo "<SELECT NAME=$question->id>";
        echo "<OPTION VALUE=0 SELECTED>$strchoose...</OPTION>";
        $options = explode( ",", $question->options);
        foreach ($options as $key => $val) {
            $key++;
            echo "<OPTION VALUE=\"$key\">$val</OPTION>";
        }
        echo "</SELECT>";

    } else if ($question->type < 0) {     // Choose several of a number
        $options = explode( ",", $question->options);
        notify("This question type not supported yet");
    }

    echo "</FONT></TD></TR></TABLE>";

}

function survey_question_color($qnum) {
    global $THEME;

    if ($qnum) {
        return $qnum % 2 ? $THEME->cellcontent : $THEME->cellcontent2;
        //return $qnum % 2 ? "#CCFFCC" : "#CCFFFF";
    } else {
        return $THEME->cellcontent;
    }
}

function survey_print_graph($url) {
    global $CFG, $SURVEY_GHEIGHT, $SURVEY_GWIDTH;

    if (empty($CFG->gdversion)) {
        echo "(".get_string("gdneed").")";

    } else {
        echo "<IMG HEIGHT=\"$SURVEY_GHEIGHT\" WIDTH=\"$SURVEY_GWIDTH\" BORDER=1".
             " SRC=\"$CFG->wwwroot/mod/survey/graph.php?$url\">";
    }
}

?>
Commit	Line	Data
f9903ed0	1	<?PHP // $Id$
	2
	3	// Graph size
551b0b98	4	$SURVEY_GHEIGHT = 500;
551b0b98	5	$SURVEY_GWIDTH = 900;
f9903ed0	6
551b0b98	7	$SURVEY_QTYPE = array (
f9903ed0	8	"-3" => "Virtual Actual and Preferred",
	9	"-2" => "Virtual Preferred",
	10	"-1" => "Virtual Actual",
	11	"0" => "Text",
	12	"1" => "Actual",
	13	"2" => "Preferred",
	14	"3" => "Actual and Preferred",
	15	);
	16
66ea15f3	17	// STANDARD FUNCTIONS ////////////////////////////////////////////////////////
04eba58f	18
	19	function survey_add_instance($survey) {
	20	// Given an object containing all the necessary data,
	21	// (defined by the form in mod.html) this function
	22	// will create a new instance and return the id number
	23	// of the new instance.
	24
	25	if (!$template = get_record("survey", "id", $survey->template)) {
	26	return 0;
	27	}
	28
	29	$survey->questions = $template->questions;
	30	$survey->timecreated = time();
	31	$survey->timemodified = $survey->timecreated;
	32
	33	return insert_record("survey", $survey);
	34
	35	}
	36
	37
	38	function survey_update_instance($survey) {
	39	// Given an object containing all the necessary data,
	40	// (defined by the form in mod.html) this function
	41	// will update an existing instance with new data.
	42
	43	if (!$template = get_record("survey", "id", $survey->template)) {
	44	return 0;
	45	}
	46
	47	$survey->id = $survey->instance;
	48	$survey->questions = $template->questions;
	49	$survey->timemodified = time();
	50
	51	return update_record("survey", $survey);
	52	}
	53
	54	function survey_delete_instance($id) {
	55	// Given an ID of an instance of this module,
	56	// this function will permanently delete the instance
	57	// and any data that depends on it.
	58
	59	if (! $survey = get_record("survey", "id", "$id")) {
	60	return false;
	61	}
	62
	63	$result = true;
	64
	65	if (! delete_records("survey_analysis", "survey", "$survey->id")) {
	66	$result = false;
	67	}
	68
	69	if (! delete_records("survey_answers", "survey", "$survey->id")) {
	70	$result = false;
	71	}
	72
	73	if (! delete_records("survey", "id", "$survey->id")) {
	74	$result = false;
	75	}
	76
	77	return $result;
	78	}
	79
66ea15f3	80	function survey_user_outline($course, $user, $mod, $survey) {
ebc3bd2b	81	if ($answers = get_records_select("survey_answers", "survey='$survey->id' AND userid='$user->id'")) {
66ea15f3	82
	83	$lastanswer = array_pop($answers);
	84
	85	$result->info = get_string("done", "survey");
	86	$result->time = $lastanswer->time;
	87	return $result;
	88	}
	89	return NULL;
	90	}
	91
	92
	93	function survey_user_complete($course, $user, $mod, $survey) {
	94	global $CFG;
	95
	96	if (survey_already_done($survey->id, $user->id)) {
607809b3	97	survey_print_graph("id=$mod->id&sid=$user->id&type=student.png");
66ea15f3	98	} else {
	99	print_string("notdone", "survey");
	100	}
	101	}
	102
1b5910c4	103	function survey_print_recent_activity($course, $isteacher, $timestart) {
3d891989	104	global $CFG;
54634efc	105
	106	$content = false;
	107	$surveys = NULL;
	108
1b5910c4	109	if (!$logs = get_records_select("log", "time > '$timestart' AND ".
	110	"course = '$course->id' AND ".
	111	"module = 'survey' AND ".
	112	"action = 'submit' ", "time ASC")) {
	113	return false;
	114	}
	115
	116	foreach ($logs as $log) {
	117	//Create a temp valid module structure (course,id)
	118	$tempmod->course = $log->course;
	119	$tempmod->id = $log->info;
	120	//Obtain the visible property from the instance
	121	$modvisible = instance_is_visible($log->module,$tempmod);
	122
	123	//Only if the mod is visible
	124	if ($modvisible) {
	125	$surveys[$log->id] = survey_log_info($log);
	126	$surveys[$log->id]->time = $log->time;
	127	$surveys[$log->id]->url = $log->url;
54634efc	128	}
	129	}
	130
	131	if ($surveys) {
	132	$content = true;
dcde9f02	133	$strftimerecent = get_string("strftimerecent");
54634efc	134	print_headline(get_string("newsurveyresponses", "survey").":");
54634efc	135	foreach ($surveys as $survey) {
dcde9f02	136	$date = userdate($survey->time, $strftimerecent);
d7143408	137	echo "<p><font size=1>$date - ".fullname($survey)."<br />";
1b5910c4	138	echo "\"<a href=\"$CFG->wwwroot/mod/survey/$survey->url\">";
54634efc	139	echo "$survey->name";
1b5910c4	140	echo "</a>\"</font></p>";
54634efc	141	}
	142	}
	143
	144	return $content;
	145	}
04eba58f	146
05855091	147	function survey_get_participants($surveyid) {
	148	//Returns the users with data in one survey
	149	//(users with records in survey_analysis and survey_answers, students)
	150
	151	global $CFG;
	152
	153	//Get students from survey_analysis
	154	$st_analysis = get_records_sql("SELECT DISTINCT u.*
	155	FROM {$CFG->prefix}user u,
	156	{$CFG->prefix}survey_analysis a
	157	WHERE a.survey = '$surveyid' and
	158	u.id = a.userid");
	159	//Get students from survey_answers
	160	$st_answers = get_records_sql("SELECT DISTINCT u.*
	161	FROM {$CFG->prefix}user u,
	162	{$CFG->prefix}survey_answers a
	163	WHERE a.survey = '$surveyid' and
	164	u.id = a.userid");
	165
	166	//Add st_answers to st_analysis
	167	if ($st_answers) {
	168	foreach ($st_answers as $st_answer) {
	169	$st_analysis[$st_answer->id] = $st_answer;
	170	}
	171	}
	172	//Return st_analysis array (it contains an array of unique users)
	173	return ($st_analysis);
	174	}
66ea15f3	175
e323955d	176	// SQL FUNCTIONS ////////////////////////////////////////////////////////
66ea15f3	177
f9903ed0	178
e323955d	179	function survey_log_info($log) {
e323955d	180	global $CFG;
7c8c335f	181	return get_record_sql("SELECT s.name, u.firstname, u.lastname, u.picture
e323955d	182	FROM {$CFG->prefix}survey s,
	183	{$CFG->prefix}user u
	184	WHERE s.id = '$log->info'
ebc3bd2b	185	AND u.id = '$log->userid'");
e323955d	186	}
f9903ed0	187
551b0b98	188	function survey_get_responses($survey) {
e323955d	189	global $CFG;
734d2c98	190	return get_records_sql("SELECT MAX(a.time) as time,
734d2c98	191	count(*) as numanswers,
7c8c335f	192	u.id, u.firstname, u.lastname, u.picture
e323955d	193	FROM {$CFG->prefix}survey_answers AS a,
e323955d	194	{$CFG->prefix}user AS u
7c8c335f	195	WHERE a.survey = $survey
ebc3bd2b	196	AND a.userid = u.id
734d2c98	197	GROUP BY u.id, u.firstname, u.lastname
734d2c98	198	ORDER BY time ASC");
e323955d	199	}
	200
	201	function survey_get_analysis($survey, $user) {
ebc3bd2b	202	global $CFG;
e323955d	203
	204	return get_record_sql("SELECT notes
	205	FROM {$CFG->prefix}survey_analysis
	206	WHERE survey='$survey'
ebc3bd2b	207	AND userid='$user'");
e323955d	208	}
	209
	210	function survey_update_analysis($survey, $user, $notes) {
ebc3bd2b	211	global $CFG;
e323955d	212
ebc3bd2b	213	return execute_sql("UPDATE {$CFG->prefix}survey_analysis
e323955d	214	SET notes='$notes'
e323955d	215	WHERE survey='$survey'
ebc3bd2b	216	AND userid='$user'");
e323955d	217	}
	218
	219
7c8c335f	220	function survey_get_user_answers($surveyid, $questionid, $sort="sa.answer1,sa.answer2 ASC") {
e323955d	221	global $CFG;
	222
	223	return get_records_sql("SELECT sa.*,u.firstname,u.lastname,u.picture
ebc3bd2b	224	FROM {$CFG->prefix}survey_answers sa,
ebc3bd2b	225	{$CFG->prefix}user u
e323955d	226	WHERE sa.survey = '$surveyid'
e323955d	227	AND sa.question = $questionid
ebc3bd2b	228	AND u.id = sa.userid
7c8c335f	229	ORDER BY $sort");
	230	}
	231
	232	function survey_get_user_answer($surveyid, $questionid, $userid) {
	233	global $CFG;
	234
	235	return get_record_sql("SELECT sa.*
	236	FROM {$CFG->prefix}survey_answers sa
	237	WHERE sa.survey = '$surveyid'
	238	AND sa.question = '$questionid'
	239	AND sa.userid = '$userid'");
e323955d	240	}
	241
	242	// MODULE FUNCTIONS ////////////////////////////////////////////////////////
	243
ebc3bd2b	244	function survey_add_analysis($survey, $user, $notes) {
	245	global $CFG;
	246
	247	$record->survey = $survey;
	248	$record->userid = $user;
	249	$record->notes = $notes;
	250
	251	return insert_record("survey_analysis", $record, false);
	252	}
	253
e323955d	254	function survey_already_done($survey, $user) {
ebc3bd2b	255	return record_exists("survey_answers", "survey", $survey, "userid", $user);
551b0b98	256	}
f9903ed0	257
362f9c9c	258	function survey_count_responses($survey) {
551b0b98	259	if ($responses = survey_get_responses($survey)) {
	260	return count($responses);
	261	} else {
	262	return 0;
	263	}
f9903ed0	264	}
f9903ed0	265
b416a1c3	266
7c8c335f	267	function survey_print_all_responses($cmid, $results, $courseid) {
b416a1c3	268	global $THEME;
b416a1c3	269
7c8c335f	270	$table->head = array ("", get_string("name"), get_string("time"), get_string("answers", "survey"));
	271	$table->align = array ("", "left", "left", "right");
	272	$table->size = array (35, "", "", "");
b416a1c3	273
b416a1c3	274	foreach ($results as $a) {
7c8c335f	275	$table->data[] = array(print_user_picture($a->id, $courseid, $a->picture, false, true, false),
	276	"<a href=\"report.php?action=student&student=$a->id&id=$cmid\">".fullname($a)."</a>",
	277	userdate($a->time), $a->numanswers);
b416a1c3	278	}
7c8c335f	279
7c8c335f	280	print_table($table);
b416a1c3	281	}
b416a1c3	282
b416a1c3	283
551b0b98	284	function survey_get_template_name($templateid) {
f9903ed0	285	global $db;
	286
	287	if ($templateid) {
e323955d	288	if ($ss = get_record("surveys", "id", $templateid)) {
e323955d	289	return $ss->name;
f9903ed0	290	}
	291	} else {
	292	return "";
	293	}
	294	}
	295
0d22e7cc	296
f9903ed0	297
0e30c987	298	function survey_shorten_name ($name, $numwords) {
	299	$words = explode(" ", $name);
	300	for ($i=0; $i < $numwords; $i++) {
	301	$output .= $words[$i]." ";
	302	}
	303	return $output;
	304	}
f9903ed0	305
f9903ed0	306
0e30c987	307
	308	function survey_print_multi($question) {
	309	GLOBAL $db, $qnum, $checklist, $THEME;
	310
	311
98899fc0	312	$stripreferthat = get_string("ipreferthat", "survey");
98899fc0	313	$strifoundthat = get_string("ifoundthat", "survey");
0e30c987	314	echo "<P>&nbsp</P>\n";
	315	echo "<P><FONT SIZE=4><B>$question->text</B></FONT></P>";
	316
	317	echo "<TABLE ALIGN=CENTER WIDTH=90% CELLPADDING=4 CELLSPACING=1 BORDER=0>";
	318
	319	$options = explode( ",", $question->options);
	320	$numoptions = count($options);
	321
	322	$oneanswer = ($question->type == 1 \|\| $question->type == 2) ? true : false;
	323	if ($question->type == 2) {
	324	$P = "P";
	325	} else {
	326	$P = "";
	327	}
	328
	329	if ($oneanswer) {
	330	echo "<TR WIDTH=100% ><TD COLSPAN=2><P>$question->intro</P></TD>";
	331	} else {
	332	echo "<TR WIDTH=100% ><TD COLSPAN=3><P>$question->intro</P></TD>";
	333	}
	334
	335	while (list ($key, $val) = each ($options)) {
	336	echo "<TD width=10% ALIGN=CENTER><FONT SIZE=1><P>$val</P></FONT></TD>\n";
	337	}
	338	echo "<TD ALIGN=CENTER BGCOLOR=\"$THEME->body\">&nbsp</TD></TR>\n";
	339
e323955d	340	$subquestions = get_records_list("survey_questions", "id", $question->multi);
0e30c987	341
	342	foreach ($subquestions as $q) {
	343	$qnum++;
	344	$bgcolor = survey_question_color($qnum);
	345
f762c448	346	if ($q->text) {
	347	$q->text = get_string($q->text, "survey");
	348	}
	349
0e30c987	350	echo "<TR BGCOLOR=$bgcolor>";
	351	if ($oneanswer) {
	352	echo "<TD WIDTH=10 VALIGN=top><P><B>$qnum</B></P></TD>";
	353	echo "<TD VALIGN=top><P>$q->text</P></TD>";
	354	for ($i=1;$i<=$numoptions;$i++) {
	355	echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=q$P$q->id VALUE=$i></TD>";
	356	}
	357	echo "<TD BGCOLOR=white><INPUT TYPE=radio NAME=q$P$q->id VALUE=0 checked></TD>";
	358	$checklist["q$P$q->id"] = $numoptions;
	359
	360	} else {
	361	echo "<TD WIDTH=10 VALIGN=middle rowspan=2><P><B>$qnum</B></P></TD>";
98899fc0	362	echo "<TD WIDTH=10% NOWRAP><P><FONT SIZE=1>$stripreferthat </FONT></P></TD>";
0e30c987	363	echo "<TD WIDTH=40% VALIGN=middle rowspan=2><P>$q->text</P></TD>";
	364	for ($i=1;$i<=$numoptions;$i++) {
	365	echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=qP$q->id VALUE=$i></TD>";
	366	}
	367	echo "<TD BGCOLOR=\"$THEME->body\"><INPUT TYPE=radio NAME=qP$q->id VALUE=0 checked></TD>";
	368	echo "</TR>";
	369
	370	echo "<TR BGCOLOR=$bgcolor>";
98899fc0	371	echo "<TD WIDTH=10% NOWRAP><P><FONT SIZE=1>$strifoundthat </P></TD>";
0e30c987	372	for ($i=1;$i<=$numoptions;$i++) {
	373	echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=q$q->id VALUE=$i></TD>";
	374	}
	375	echo "<TD WIDTH=5% BGCOLOR=\"$THEME->body\"><INPUT TYPE=radio NAME=q$q->id VALUE=0 checked></TD>";
	376	$checklist["qP$q->id"] = $numoptions;
	377	$checklist["q$q->id"] = $numoptions;
	378	}
	379	echo "</TR>\n";
	380	}
	381	echo "</TABLE>";
	382	}
	383
	384
	385
	386	function survey_print_single($question) {
	387	GLOBAL $db, $qnum;
	388
	389	$bgcolor = survey_question_color(0);
	390
	391	$qnum++;
	392
	393	echo "<P>&nbsp</P>\n";
	394	echo "<TABLE ALIGN=CENTER WIDTH=90% CELLPADDING=4 CELLSPACING=0>\n";
	395	echo "<TR BGCOLOR=$bgcolor>";
	396	echo "<TD VALIGN=top><B>$qnum</B></TD>";
	397	echo "<TD WIDTH=50% VALIGN=top><P>$question->text</P></TD>\n";
	398	echo "<TD WIDTH=50% VALIGN=top><P><FONT SIZE=+1>\n";
	399
	400
	401	if ($question->type == 0) { // Plain text field
	402	echo "<TEXTAREA ROWS=3 COLS=30 WRAP=virtual NAME=\"$question->id\">$question->options</TEXTAREA>";
	403
	404	} else if ($question->type > 0) { // Choose one of a number
98899fc0	405	$strchoose = get_string("choose");
0e30c987	406	echo "<SELECT NAME=$question->id>";
98899fc0	407	echo "<OPTION VALUE=0 SELECTED>$strchoose...</OPTION>";
0e30c987	408	$options = explode( ",", $question->options);
	409	foreach ($options as $key => $val) {
	410	$key++;
	411	echo "<OPTION VALUE=\"$key\">$val</OPTION>";
	412	}
	413	echo "</SELECT>";
	414
	415	} else if ($question->type < 0) { // Choose several of a number
	416	$options = explode( ",", $question->options);
f762c448	417	notify("This question type not supported yet");
0e30c987	418	}
	419
	420	echo "</FONT></TD></TR></TABLE>";
	421
	422	}
	423
	424	function survey_question_color($qnum) {
	425	global $THEME;
	426
	427	if ($qnum) {
	428	return $qnum % 2 ? $THEME->cellcontent : $THEME->cellcontent2;
	429	//return $qnum % 2 ? "#CCFFCC" : "#CCFFFF";
	430	} else {
	431	return $THEME->cellcontent;
	432	}
	433	}
	434
607809b3	435	function survey_print_graph($url) {
	436	global $CFG, $SURVEY_GHEIGHT, $SURVEY_GWIDTH;
	437
	438	if (empty($CFG->gdversion)) {
	439	echo "(".get_string("gdneed").")";
	440
	441	} else {
	442	echo "<IMG HEIGHT=\"$SURVEY_GHEIGHT\" WIDTH=\"$SURVEY_GWIDTH\" BORDER=1".
	443	" SRC=\"$CFG->wwwroot/mod/survey/graph.php?$url\">";
	444	}
	445	}
	446
f9903ed0	447	?>