boinc/html/inc/bolt_cat.inc

<?php

// represents a categorization of students
//
abstract class Categorization {
    abstract function name();
        // returns descriptive name
    abstract function categories();
        // returns list of categories
    abstract function categorize($user);
        // returns a student's category
}

class CatSex extends Categorization {
    function name() {
        return "Sex";
    }
    function categories() {
        return array ("Male", "Female", "Unknown");
    }
    function categorize($user) {
        switch ($user->bolt->sex) {
        case 1: return "Male";
        case 2: return "Female";
        default: return "Unknown";
        }
    }
}

$x = localtime(time(), true);
$this_year = 1900 + $x['tm_year'];

class CatAge20 extends Categorization {
    function name() {
        return "Age (20-year groups)";
    }
    function categories() {
        return array("0-19", "20-39", "40-59", "60-79", "80+", "Unknown");
    }
    function categorize($user) {
        if (!$user->bolt->birth_year) return "Unknown";
        global $this_year;
        $n = $this_year - $user->bolt->birth_year;
        if ($n < 20) return "0-19";
        if ($n < 40) return "20-39";
        if ($n < 60) return "40-59";
        if ($n < 80) return "60-79";
        return "80+";
    }
}

$categorizations = array(new CatSex(), new CatAge20());

function lookup_categorization($name) {
    global $categorizations;
    foreach ($categorizations as $c) {
        if ($c->name() == $name) return $c;
    }
    return null;
}

function filter_form($sel_name, $sel_cat) {
    global $categorizations;
    $checked = (!$sel_name || $sel_name == "none")?"checked":"";
    echo "
        Filter by:
        <ul>
        <li><input type=radio name=filter value=none $checked> None
    ";
    foreach ($categorizations as $c) {
        $name = $c->name();
        $cats = $c->categories();
        echo "
            <li> $name
            <ul>
        ";
        foreach ($cats as $x) {
            $checked = ($sel_name == $name && $sel_cat == $x) ? "checked":"";
            echo "
                <li> <input type=radio name=filter value=\"$name:$x\" $checked> $x
            ";
        }
        echo "</ul>";
    }
    echo "</ul>";
}

function breakdown_form($sel_name) {
    global $categorizations;
    $checked = (!$sel_name || $sel_name == "none")?"checked":"";
    echo "
        Break down by:
        <ul>
        <li><input type=radio name=breakdown value=none $checked> None
    ";
    foreach ($categorizations as $c) {
        $name = $c->name();
        $checked = ($sel_name == $name)?"checked":"";
        echo "
            <li> <input type=radio name=breakdown value=\"$name\" $checked> $name
        ";
    }
    echo "</ul>";
}

?>