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

function survey_get_responses($survey) {
    global $CFG;
    return get_records_sql("SELECT MAX(a.time) as time, 
                                   count(*) as numanswers, 
                                   u.id, u.firstname, u.lastname
                              FROM {$CFG->prefix}survey_answers AS a, 
                                   {$CFG->prefix}user AS u
                             WHERE a.answer1 <> '0' AND a.answer2 <> '0'
                                   AND 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) {
    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 sa.answer1,sa.answer2 ASC");
}

// 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($survey, $results) {
    global $THEME;

    $dateformat = get_string("strftimedatetime");

    echo "<TABLE CELLPADDING=5 CELLSPACING=2 ALIGN=CENTER>";
    echo "<TR><TD>Name<TD>Time<TD>Answered</TR>";

    foreach ($results as $a) {
                 
        echo "<TR>";
        echo "<TD><A HREF=\"report.php?action=student&student=$a->id&id=$survey\">".fullname($a)."</A></TD>";
        echo "<TD>".userdate($a->time, $dateformat)."</TD>";
        echo "<TD align=right>$a->numanswers</TD>";
        echo "</TR>";
    }
    echo "</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) {
	180	global $CFG;
	181	return get_record_sql("SELECT s.name, u.firstname, u.lastname
	182	FROM {$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 $CFG;
734d2c98	190	return get_records_sql("SELECT MAX(a.time) as time,
	191	count(*) as numanswers,
	192	u.id, u.firstname, u.lastname
e323955d	193	FROM {$CFG->prefix}survey_answers AS a,
	194	{$CFG->prefix}user AS u
	195	WHERE a.answer1 <> '0' AND a.answer2 <> '0'
	196	AND a.survey = $survey
ebc3bd2b	197	AND a.userid = u.id
734d2c98	198	GROUP BY u.id, u.firstname, u.lastname
734d2c98	199	ORDER BY time ASC");
e323955d	200	}
	201
	202	function survey_get_analysis($survey, $user) {
ebc3bd2b	203	global $CFG;
e323955d	204
	205	return get_record_sql("SELECT notes
	206	FROM {$CFG->prefix}survey_analysis
	207	WHERE survey='$survey'
ebc3bd2b	208	AND userid='$user'");
e323955d	209	}
	210
	211	function survey_update_analysis($survey, $user, $notes) {
ebc3bd2b	212	global $CFG;
e323955d	213
ebc3bd2b	214	return execute_sql("UPDATE {$CFG->prefix}survey_analysis
e323955d	215	SET notes='$notes'
e323955d	216	WHERE survey='$survey'
ebc3bd2b	217	AND userid='$user'");
e323955d	218	}
	219
	220
e323955d	221	function survey_get_user_answers($surveyid, $questionid) {
	222	global $CFG;
	223
	224	return get_records_sql("SELECT sa.*,u.firstname,u.lastname,u.picture
ebc3bd2b	225	FROM {$CFG->prefix}survey_answers sa,
ebc3bd2b	226	{$CFG->prefix}user u
e323955d	227	WHERE sa.survey = '$surveyid'
e323955d	228	AND sa.question = $questionid
ebc3bd2b	229	AND u.id = sa.userid
e323955d	230	ORDER BY sa.answer1,sa.answer2 ASC");
	231	}
	232
	233	// MODULE FUNCTIONS ////////////////////////////////////////////////////////
	234
ebc3bd2b	235	function survey_add_analysis($survey, $user, $notes) {
	236	global $CFG;
	237
	238	$record->survey = $survey;
	239	$record->userid = $user;
	240	$record->notes = $notes;
	241
	242	return insert_record("survey_analysis", $record, false);
	243	}
	244
e323955d	245	function survey_already_done($survey, $user) {
ebc3bd2b	246	return record_exists("survey_answers", "survey", $survey, "userid", $user);
551b0b98	247	}
f9903ed0	248
362f9c9c	249	function survey_count_responses($survey) {
551b0b98	250	if ($responses = survey_get_responses($survey)) {
	251	return count($responses);
	252	} else {
	253	return 0;
	254	}
f9903ed0	255	}
f9903ed0	256
b416a1c3	257
551b0b98	258	function survey_print_all_responses($survey, $results) {
b416a1c3	259	global $THEME;
b416a1c3	260
dcde9f02	261	$dateformat = get_string("strftimedatetime");
dcde9f02	262
b416a1c3	263	echo "<TABLE CELLPADDING=5 CELLSPACING=2 ALIGN=CENTER>";
	264	echo "<TR><TD>Name<TD>Time<TD>Answered</TR>";
	265
	266	foreach ($results as $a) {
	267
	268	echo "<TR>";
ff0b0de9	269	echo "<TD><A HREF=\"report.php?action=student&student=$a->id&id=$survey\">".fullname($a)."</A></TD>";
dcde9f02	270	echo "<TD>".userdate($a->time, $dateformat)."</TD>";
b416a1c3	271	echo "<TD align=right>$a->numanswers</TD>";
	272	echo "</TR>";
	273	}
	274	echo "</TABLE>";
	275	}
	276
b416a1c3	277
551b0b98	278	function survey_get_template_name($templateid) {
f9903ed0	279	global $db;
	280
	281	if ($templateid) {
e323955d	282	if ($ss = get_record("surveys", "id", $templateid)) {
e323955d	283	return $ss->name;
f9903ed0	284	}
	285	} else {
	286	return "";
	287	}
	288	}
	289
0d22e7cc	290
f9903ed0	291
0e30c987	292	function survey_shorten_name ($name, $numwords) {
	293	$words = explode(" ", $name);
	294	for ($i=0; $i < $numwords; $i++) {
	295	$output .= $words[$i]." ";
	296	}
	297	return $output;
	298	}
f9903ed0	299
f9903ed0	300
0e30c987	301
	302	function survey_print_multi($question) {
	303	GLOBAL $db, $qnum, $checklist, $THEME;
	304
	305
98899fc0	306	$stripreferthat = get_string("ipreferthat", "survey");
98899fc0	307	$strifoundthat = get_string("ifoundthat", "survey");
0e30c987	308	echo "<P>&nbsp</P>\n";
	309	echo "<P><FONT SIZE=4><B>$question->text</B></FONT></P>";
	310
	311	echo "<TABLE ALIGN=CENTER WIDTH=90% CELLPADDING=4 CELLSPACING=1 BORDER=0>";
	312
	313	$options = explode( ",", $question->options);
	314	$numoptions = count($options);
	315
	316	$oneanswer = ($question->type == 1 \|\| $question->type == 2) ? true : false;
	317	if ($question->type == 2) {
	318	$P = "P";
	319	} else {
	320	$P = "";
	321	}
	322
	323	if ($oneanswer) {
	324	echo "<TR WIDTH=100% ><TD COLSPAN=2><P>$question->intro</P></TD>";
	325	} else {
	326	echo "<TR WIDTH=100% ><TD COLSPAN=3><P>$question->intro</P></TD>";
	327	}
	328
	329	while (list ($key, $val) = each ($options)) {
	330	echo "<TD width=10% ALIGN=CENTER><FONT SIZE=1><P>$val</P></FONT></TD>\n";
	331	}
	332	echo "<TD ALIGN=CENTER BGCOLOR=\"$THEME->body\">&nbsp</TD></TR>\n";
	333
e323955d	334	$subquestions = get_records_list("survey_questions", "id", $question->multi);
0e30c987	335
	336	foreach ($subquestions as $q) {
	337	$qnum++;
	338	$bgcolor = survey_question_color($qnum);
	339
f762c448	340	if ($q->text) {
	341	$q->text = get_string($q->text, "survey");
	342	}
	343
0e30c987	344	echo "<TR BGCOLOR=$bgcolor>";
	345	if ($oneanswer) {
	346	echo "<TD WIDTH=10 VALIGN=top><P><B>$qnum</B></P></TD>";
	347	echo "<TD VALIGN=top><P>$q->text</P></TD>";
	348	for ($i=1;$i<=$numoptions;$i++) {
	349	echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=q$P$q->id VALUE=$i></TD>";
	350	}
	351	echo "<TD BGCOLOR=white><INPUT TYPE=radio NAME=q$P$q->id VALUE=0 checked></TD>";
	352	$checklist["q$P$q->id"] = $numoptions;
	353
	354	} else {
	355	echo "<TD WIDTH=10 VALIGN=middle rowspan=2><P><B>$qnum</B></P></TD>";
98899fc0	356	echo "<TD WIDTH=10% NOWRAP><P><FONT SIZE=1>$stripreferthat </FONT></P></TD>";
0e30c987	357	echo "<TD WIDTH=40% VALIGN=middle rowspan=2><P>$q->text</P></TD>";
	358	for ($i=1;$i<=$numoptions;$i++) {
	359	echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=qP$q->id VALUE=$i></TD>";
	360	}
	361	echo "<TD BGCOLOR=\"$THEME->body\"><INPUT TYPE=radio NAME=qP$q->id VALUE=0 checked></TD>";
	362	echo "</TR>";
	363
	364	echo "<TR BGCOLOR=$bgcolor>";
98899fc0	365	echo "<TD WIDTH=10% NOWRAP><P><FONT SIZE=1>$strifoundthat </P></TD>";
0e30c987	366	for ($i=1;$i<=$numoptions;$i++) {
	367	echo "<TD WIDTH=10% ALIGN=CENTER><INPUT TYPE=radio NAME=q$q->id VALUE=$i></TD>";
	368	}
	369	echo "<TD WIDTH=5% BGCOLOR=\"$THEME->body\"><INPUT TYPE=radio NAME=q$q->id VALUE=0 checked></TD>";
	370	$checklist["qP$q->id"] = $numoptions;
	371	$checklist["q$q->id"] = $numoptions;
	372	}
	373	echo "</TR>\n";
	374	}
	375	echo "</TABLE>";
	376	}
	377
	378
	379
	380	function survey_print_single($question) {
	381	GLOBAL $db, $qnum;
	382
	383	$bgcolor = survey_question_color(0);
	384
	385	$qnum++;
	386
	387	echo "<P>&nbsp</P>\n";
	388	echo "<TABLE ALIGN=CENTER WIDTH=90% CELLPADDING=4 CELLSPACING=0>\n";
	389	echo "<TR BGCOLOR=$bgcolor>";
	390	echo "<TD VALIGN=top><B>$qnum</B></TD>";
	391	echo "<TD WIDTH=50% VALIGN=top><P>$question->text</P></TD>\n";
	392	echo "<TD WIDTH=50% VALIGN=top><P><FONT SIZE=+1>\n";
	393
	394
	395	if ($question->type == 0) { // Plain text field
	396	echo "<TEXTAREA ROWS=3 COLS=30 WRAP=virtual NAME=\"$question->id\">$question->options</TEXTAREA>";
	397
	398	} else if ($question->type > 0) { // Choose one of a number
98899fc0	399	$strchoose = get_string("choose");
0e30c987	400	echo "<SELECT NAME=$question->id>";
98899fc0	401	echo "<OPTION VALUE=0 SELECTED>$strchoose...</OPTION>";
0e30c987	402	$options = explode( ",", $question->options);
	403	foreach ($options as $key => $val) {
	404	$key++;
	405	echo "<OPTION VALUE=\"$key\">$val</OPTION>";
	406	}
	407	echo "</SELECT>";
	408
	409	} else if ($question->type < 0) { // Choose several of a number
	410	$options = explode( ",", $question->options);
f762c448	411	notify("This question type not supported yet");
0e30c987	412	}
	413
	414	echo "</FONT></TD></TR></TABLE>";
	415
	416	}
	417
	418	function survey_question_color($qnum) {
	419	global $THEME;
	420
	421	if ($qnum) {
	422	return $qnum % 2 ? $THEME->cellcontent : $THEME->cellcontent2;
	423	//return $qnum % 2 ? "#CCFFCC" : "#CCFFFF";
	424	} else {
	425	return $THEME->cellcontent;
	426	}
	427	}
	428
607809b3	429	function survey_print_graph($url) {
	430	global $CFG, $SURVEY_GHEIGHT, $SURVEY_GWIDTH;
	431
	432	if (empty($CFG->gdversion)) {
	433	echo "(".get_string("gdneed").")";
	434
	435	} else {
	436	echo "<IMG HEIGHT=\"$SURVEY_GHEIGHT\" WIDTH=\"$SURVEY_GWIDTH\" BORDER=1".
	437	" SRC=\"$CFG->wwwroot/mod/survey/graph.php?$url\">";
	438	}
	439	}
	440
f9903ed0	441	?>