Code to add a "vertical" display of users for Choice activities.

If "display vertically" is chosen, it will apply to both the list 
of options and the list of responses.

This code is working on my system (1.9.4+) but use with caution.  The code needs to be 
cleaned up a bit.  Please report problems.

Back up your code before modifying it.  Wear safety glasses.  Dont't run with scissors.


Add to language file lang/xx/choice.php

	$string['options'] = 'Options';
	$string['participants'] = 'Participants';
	$string['limits'] = 'Limits';


Add to report.php at around 207:
(this replaces a single call to choice_show_results() with an if-else that
calls the appropriate method.)

//existing code
//////    if (has_capability('mod/choice:deleteresponses', $context) /* and $choice->showunanswered */) {
//////        choice_show_selectfor_link($cm);
//////    }

//start new code 
    //show table with students responses.
    if ($choice->display == CHOICE_DISPLAY_HORIZONTAL) {
        choice_show_results($choice, $course, $cm, $allresponses);
    }
    else {
        choice_show_results_vert($choice, $course, $cm, $allresponses);
    }
//end new code

//existing code
//////   //now give links for downloading spreadsheets.
//////    if (!empty($users) && has_capability('mod/choice:downloadresponses',$context)) {


Add to view.php at 153:
(this replaces a single call to choice_show_results() with an if-else that
calls the appropriate method.)

//    if ( $choice->showresults == CHOICE_SHOWRESULTS_ALWAYS or
//        ($choice->showresults == CHOICE_SHOWRESULTS_AFTER_ANSWER and $current ) or
//        ($choice->showresults == CHOICE_SHOWRESULTS_AFTER_CLOSE and !$choiceopen ) )  {

        //show table with students responses.
        if ($choice->display == CHOICE_DISPLAY_HORIZONTAL) {
            choice_show_results($choice, $course, $cm, $allresponses);
        }
        else {
            choice_show_results_vert($choice, $course, $cm, $allresponses);
        }

//    } else if (!$choiceformshown) {
//        print_simple_box(get_string('noresultsviewable', 'choice'), 'center');
//    }



Add to lib.php:


function choice_show_results_vert($choice, $course, $cm, $allresponses, $forcepublish='') {
    global $CFG, $COLUMN_HEIGHT;

    print_heading(get_string("responses", "choice"));
    if (empty($forcepublish)) { //alow the publish setting to be overridden
        $forcepublish = $choice->publish;
    }

    if (empty($allresponses)) {
        print_heading(get_string("nousersyet"));
        return false;
    }

    $totalresponsecount = 0;
    foreach ($allresponses as $optionid => $userlist) {
        if ($choice->showunanswered || $optionid) {
            $totalresponsecount += count($userlist);
        }
    }

    $context = get_context_instance(CONTEXT_MODULE, $cm->id);
    $hascapfullnames = has_capability('moodle/site:viewfullnames', $context);
    $viewresponses = has_capability('mod/choice:readresponses', $context);
    //echo "forcepublish = ".$forcepublish."<br />";
    switch ($forcepublish) {
        case CHOICE_PUBLISH_NAMES:
            //echo 'publish names<br />';
            echo '<div id="tablecontainer">';
            if ($viewresponses) {
                echo '<form id="attemptsform" method="post" action="'.
                            $_SERVER['PHP_SELF'].'" onsubmit="var menu = document.getElementById(\'menuaction\'); return (menu.options[menu.selectedIndex].value == \'delete\' ? \''.
                            addslashes(get_string('deleteattemptcheck','quiz')).'\' : true);">';
                echo '<div>';
                echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
                echo '<input type="hidden" name="mode" value="overview" />';
            }

            echo "<table cellpadding=\"5\" cellspacing=\"10\" class=\"results names\">";
            echo "<tr>";

            $columncount = countcolumns($choice->option, $allresponses); // number of votes in each column


              echo "<th class=\"col0 header\" scope=\"col\">";
              print_string('options', 'choice');
              echo "</th>";

              if ($choice->limitanswers) {
                  echo "<th class=\"col1 header\" scope=\"col\">";
                  print_string('limits', 'choice');
                  echo "</th>";
              }
              else {
                  echo "<th class=\"col1 header\" scope=\"col\">";
                  print_string('responses', 'choice');
                  echo "</th>";
              }

              echo "<th class=\"col2 header\" scope=\"col\">";
              print_string('participants', 'choice');
              echo "</th>";

              echo "</tr><tr>";


            if ($choice->showunanswered) {
                echo "<td class=\"col0 data\" valign=\"top\" >";
                // added empty row so that when the next iteration is empty,
                // we do not get <table></table> erro from w3c validator
                // MDL-7861
                print_string('notanswered', 'choice');
                echo "</td>";

                echo "<td class=\"col1 data\" valign=\"top\" >$columncount[0]</td>";  // no limits for not answered


                echo "<td class=\"col2 data\" valign=\"top\" >";
                echo "<table class=\"choiceresponse\"><tr><td></td></tr>";
                if (!empty($allresponses[0])) {
                    foreach ($allresponses[0] as $user) {
                        echo "<tr>";
                        echo "<td class=\"picture\">";
                        print_user_picture($user->id, $course->id, $user->picture);
                        echo "</td><td class=\"fullname\">";
                        echo "<a href=\"$CFG->wwwroot/user/view.php?id=$user->id&amp;course=$course->id\">";
                        echo fullname($user, $hascapfullnames);
                        echo "</a>";
                        echo "</td></tr>";
                    }
                }
                echo "</table></td>";
            }
            $count = 0;
            echo "</tr>";


            foreach ($choice->option as $optionid => $optiontext) {
                echo "<tr>";
                    echo '<td class="col0 data" valign="top" >';     // option text
                    echo $optiontext;
                    echo "</td>";

                        echo '<td class="col1 data" valign="top" >';     // limits
                        if ($choice->limitanswers) {
                            echo get_string("taken", "choice").":";
                            echo $columncount[$optionid];
                            echo "&nbsp;&nbsp;&nbsp;";
                            echo get_string("limit", "choice").":";
                            $choice_option = get_record("choice_options", "id", $optionid);
                            echo $choice_option->maxanswers;

                            echo "&nbsp;&nbsp;&nbsp;";
                            if($columncount[$optionid] >= $choice_option->maxanswers){
                                echo get_string("full", "choice");
                            }
                        } else {
                            if (isset($columncount[$optionid])) {
                                echo $columncount[$optionid];
                            }
                            else {
                                echo 0;
                            }
                        }
                        echo "</td>";

                    echo '<td class="col2 data" valign="top" >';     // participants
                    // added empty row so that when the next iteration is empty,
                    // we do not get <table></table> erro from w3c validator
                    // MDL-7861
                    echo '<table class="choiceresponse"><tr><td></td></tr>';
                    if (isset($allresponses[$optionid])) {
                        foreach ($allresponses[$optionid] as $user) {
                            echo '<tr><td class="attemptcell">';
                            if ($viewresponses and has_capability('mod/choice:deleteresponses',$context)) {
                                echo '<input type="checkbox" name="attemptid[]" value="'. $user->id. '" />';
                            }
                            echo '</td><td class="picture">';
                            print_user_picture($user->id, $course->id, $user->picture);
                            echo '</td><td class="fullname">';
                            echo "<a href=\"$CFG->wwwroot/user/view.php?id=$user->id&amp;course=$course->id\">";
                            echo fullname($user, $hascapfullnames);
                            echo '</a>';
                            echo '</td></tr>';
                       }
                    }
                    $count++;
                    echo '</table></td>';
                    echo "</td>";
                echo "</tr>";
            }
            echo "</tr>";

            /// Print "Select all" etc.
            if ($viewresponses and has_capability('mod/choice:deleteresponses',$context)) {
                echo '<tr><td></td><td>';
                echo '<a href="javascript:select_all_in(\'DIV\',null,\'tablecontainer\');">'.get_string('selectall', 'quiz').'</a> / ';
                echo '<a href="javascript:deselect_all_in(\'DIV\',null,\'tablecontainer\');">'.get_string('selectnone', 'quiz').'</a> ';
                echo '&nbsp;&nbsp;';
                $options = array('delete' => get_string('delete'));
                echo choose_from_menu($options, 'action', '', get_string('withselected', 'quiz'), 'if(this.selectedIndex > 0) submitFormById(\'attemptsform\');', '', true);
                echo '<noscript id="noscriptmenuaction" style="display: inline;">';
                echo '<div>';
                echo '<input type="submit" value="'.get_string('go').'" /></div></noscript>';
                echo '<script type="text/javascript">'."\n<!--\n".'document.getElementById("noscriptmenuaction").style.display = "none";'."\n-->\n".'</script>';
                echo '</td><td></td></tr>';
            }

            echo "</table></div>";
            if ($viewresponses) {
                echo "</form></div>";
            }
            break;


        case CHOICE_PUBLISH_ANONYMOUS:
            //echo 'do NOT publish names<br />';
            echo '<div id="tablecontainer">';
            if ($viewresponses) {
                echo '<form id="attemptsform" method="post" action="'.
                            $_SERVER['PHP_SELF'].'" onsubmit="var menu = document.getElementById(\'menuaction\'); return (menu.options[menu.selectedIndex].value == \'delete\' ? \''.
                            addslashes(get_string('deleteattemptcheck','quiz')).'\' : true);">';
                echo '<div>';
                echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
                echo '<input type="hidden" name="mode" value="overview" />';
            }


            $columncount = countcolumns($choice->option, $allresponses); // number of votes in each column
            $maxcolumn =  max($columncount);
//            echo "allresponses = <pre>".print_r($allresponses, true)."</pre><br />";
//            echo "columncount = <pre>".print_r($columncount, true)."</pre><br />";
//            echo "maxcolumn = $maxcolumn<br />";

            echo "<table cellpadding=\"5\" cellspacing=\"10\" class=\"results names\">";
            echo "<tr>";

//            if ($choice->showunanswered) {
              echo "<th class=\"col0 header\" scope=\"col\">";
              print_string('options', 'choice');
              echo "</th>";
//            }

              if ($choice->limitanswers) {
                  echo "<th class=\"col1 header\" scope=\"col\">";
                  print_string('limits', 'choice');
                  echo "</th>";
              }
              else {
                  echo "<th class=\"col1 header\" scope=\"col\">";
                  print_string('responses', 'choice');
                  echo "</th>";
              }

              echo "<th class=\"col2 header\" scope=\"col\">";
              print_string('participants', 'choice');
              echo "</th>";

              echo "</tr><tr>";


            if ($choice->showunanswered) {
                echo "<td class=\"col0 data\" valign=\"top\" >";
                // added empty row so that when the next iteration is empty,
                // we do not get <table></table> erro from w3c validator
                // MDL-7861
                print_string('notanswered', 'choice');
                echo "</td>";

                echo "<td class=\"col1 data\" valign=\"top\" >$columncount[0]</td>";  // no limits for not answered


                $width = 0;
                if ($choice->showunanswered) {
                    if ($maxcolumn) {
                        $width = $COLUMN_HEIGHT * ((float)$columncount[0] / (float)$maxcolumn);
                    }
                    echo "<td style=\"vertical-align:bottom\" align=\"left\" class=\"col2 data\">";
                    echo "<img src=\"bar.png\" height=\"49\" width=\"$width\" alt=\"\" />";
                    echo "</td>";
                }
                else {
                     echo "<td></td>";
                }

            }
            $count = 0;
            echo "</tr>";


            foreach ($choice->option as $optionid => $optiontext) {
                echo "<tr>";
                    echo '<td class="col0 data" valign="top" >';     // option text
                    echo $optiontext;
                    echo "</td>";

                    if ($choice->limitanswers) {
                        echo '<td class="col1 data" >';     // limits
//                        echo "<td align=\"center\" class=\"count\">";
                        if ($choice->limitanswers) {
                            echo get_string("taken", "choice").":";
                            echo $columncount[$optionid];
//                            echo "<br/>";
                            echo "&nbsp;&nbsp;&nbsp;";
                            echo get_string("limit", "choice").":";
                            $choice_option = get_record("choice_options", "id", $optionid);
                            echo $choice_option->maxanswers;

                            echo "&nbsp;&nbsp;&nbsp;";
                            if($choice_option->maxanswers - $columncount[$optionid]){
                                echo get_string("available", "choice").":";
                                echo ($choice_option->maxanswers - $columncount[$optionid]);
                            }
                            else {
                                echo get_string("full", "choice");
                            }
                        } else {
                            if (isset($columncount[$optionid])) {
                                echo $columncount[$optionid];
                            }
                        }
//                        echo "</td>";
                        echo "</td>";
                    }
                    else {
                        echo "<td class=\"col1 data\" valign=\"top\" >$columncount[$optionid]</td>";
                    }

                    echo '<td class="col2 data" >';     // participants
                    // added empty row so that when the next iteration is empty,
                    // we do not get <table></table> erro from w3c validator
                    // MDL-7861
                    echo '<table class="choiceresponse"><tr><td></td></tr>';

                    $width = 0;
                    if (isset($allresponses[$optionid])) {
                        if ($maxcolumn) {
                            $width = $COLUMN_HEIGHT * ((float)$columncount[$optionid] / (float)$maxcolumn);
                        }
                    }

                    echo "<td style=\"vertical-align:bottom\" align=\"left\" class=\"col2 data\">";
                    echo "<img src=\"bar.png\" height=\"49\" width=\"$width\" alt=\"\" />";
                    echo "</td>";

                    $count++;
                    echo '</table></td>';
                    echo "</td>";
                echo "</tr>";
            }
            echo "</tr>";

            echo "</table></div>";
            if ($viewresponses) {
                echo "</form></div>";
            }
            break;
    }
}