moodle/mod/feedback/edit.php

<?php

/**
* prints the form to edit the feedback items such moving, deleting and so on
*
* @author Andreas Grabs
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package feedback
*/

require_once("../../config.php");
require_once("lib.php");
require_once('edit_form.php');

feedback_init_feedback_session();

$id = required_param('id', PARAM_INT);

if(($formdata = data_submitted()) AND !confirm_sesskey()) {
    print_error('invalidsesskey');
}

$do_show = optional_param('do_show', 'edit', PARAM_ALPHA);
$moveupitem = optional_param('moveupitem', false, PARAM_INT);
$movedownitem = optional_param('movedownitem', false, PARAM_INT);
$moveitem = optional_param('moveitem', false, PARAM_INT);
$movehere = optional_param('movehere', false, PARAM_INT);
$switchitemrequired = optional_param('switchitemrequired', false, PARAM_INT);

$ME = strip_querystring($FULLME);//sometimes it is not correct set

// $SESSION->feedback->current_tab = $do_show;
$current_tab = $do_show;

if ($id) {
    if (! $cm = get_coursemodule_from_id('feedback', $id)) {
        print_error('invalidcoursemodule');
    }

    if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
        print_error('coursemisconf');
    }

    if (! $feedback = $DB->get_record("feedback", array("id"=>$cm->instance))) {
        print_error('invalidcoursemodule');
    }
}
$capabilities = feedback_load_capabilities($cm->id);

require_login($course->id, true, $cm);

if(!$capabilities->edititems){
    print_error('error');
}

//move up/down items
if($moveupitem){
    $item = $DB->get_record('feedback_item', array('id'=>$moveupitem));
    feedback_moveup_item($item);
}
if($movedownitem){
    $item = $DB->get_record('feedback_item', array('id'=>$movedownitem));
    feedback_movedown_item($item);
}

//moving of items
if($movehere && isset($SESSION->feedback->moving->movingitem)){
    $item = $DB->get_record('feedback_item', array('id'=>$SESSION->feedback->moving->movingitem));
    feedback_move_item($item, intval($movehere));
    $moveitem = false;
}
if($moveitem){
    $item = $DB->get_record('feedback_item', array('id'=>$moveitem));
    $SESSION->feedback->moving->shouldmoving = 1;
    $SESSION->feedback->moving->movingitem = $moveitem;
} else {
    unset($SESSION->feedback->moving);
}

if($switchitemrequired) {
    $item = $DB->get_record('feedback_item', array('id'=>$switchitemrequired));
    @feedback_switch_item_required($item);
    redirect($ME.'?'.feedback_edit_get_default_query($id, $do_show));
    exit;
}

//the create_template-form
$create_template_form = new feedback_edit_create_template_form();
$create_template_form->set_feedbackdata(array('capabilities' => $capabilities));
$create_template_form->set_form_elements();
$create_template_form->set_data(array('id'=>$id, 'do_show'=>'templates'));
$create_template_formdata = $create_template_form->get_data();
if(isset($create_template_formdata->savetemplate) && $create_template_formdata->savetemplate == 1) {
    //check the capabilities to create templates
    if(!$capabilities->createprivatetemplate AND !$capabilities->createpublictemplate) {
        print_error('cannotsavetempl', 'feedback');
    }
    if(trim($create_template_formdata->templatename) == '')
    {
        $savereturn = 'notsaved_name';
    }else {
        if($capabilities->createpublictemplate) {
            $create_template_formdata->ispublic = isset($create_template_formdata->ispublic) ? 1 : 0;
        }else {
            $create_template_formdata->ispublic = 0;
        }
        if(!feedback_save_as_template($feedback, $create_template_formdata->templatename, $create_template_formdata->ispublic))
        {
            $savereturn = 'failed';
        }else {
            $savereturn = 'saved';
        }
    }
}

//get the feedbackitems
$lastposition = 0;
$feedbackitems = $DB->get_records('feedback_item', array('feedback'=>$feedback->id), 'position');
if(is_array($feedbackitems)){
    $feedbackitems = array_values($feedbackitems);
    if(count($feedbackitems) > 0) {
        $lastitem = $feedbackitems[count($feedbackitems)-1];
        $lastposition = $lastitem->position;
    }else {
        $lastposition = 0;
    }
}
$lastposition++;


//the add_item-form
$add_item_form = new feedback_edit_add_question_form('edit_item.php');
$add_item_form->set_data(array('id'=>$id, 'position'=>$lastposition));

//the use_template-form
$use_template_form = new feedback_edit_use_template_form('use_templ.php');
$use_template_form->set_feedbackdata(array('course' => $course));
$use_template_form->set_form_elements();
$use_template_form->set_data(array('id'=>$id));

//the create_template-form
//$create_template_form = new feedback_edit_create_template_form('use_templ.php');

/// Print the page header
$strfeedbacks = get_string("modulenameplural", "feedback");
$strfeedback  = get_string("modulename", "feedback");

if ($do_show == 'edit') {
    $PAGE->navbar->add(get_string('edit_items', 'feedback'));
} else {
    $PAGE->navbar->add(get_string($do_show, 'feedback'));
}
$PAGE->set_url(new moodle_url($CFG->wwwroot.'/mod/feedback/edit.php', array('id'=>$cm->id, 'do_show'=>$do_show)));
$PAGE->set_title(format_string($feedback->name));
echo $OUTPUT->header();

/// print the tabs
include('tabs.php');

/// Print the main part of the page
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////

$savereturn=isset($savereturn)?$savereturn:'';

//print the messages
if($savereturn == 'notsaved_name') {
    echo '<p align="center"><b><font color="red">'.get_string('name_required','feedback').'</font></b></p>';
}

if($savereturn == 'saved') {
    echo '<p align="center"><b><font color="green">'.get_string('template_saved','feedback').'</font></b></p>';
}

if($savereturn == 'failed') {
    echo '<p align="center"><b><font color="red">'.get_string('saving_failed','feedback').'</font></b></p>';
}

feedback_print_errors();

///////////////////////////////////////////////////////////////////////////
///print the template-section
///////////////////////////////////////////////////////////////////////////
if($do_show == 'templates') {
    echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthwide');
    $use_template_form->display();

    if($capabilities->createprivatetemplate OR $capabilities->createpublictemplate) {
        $create_template_form->display();
        echo '<p><a href="'.htmlspecialchars('delete_template.php?id='.$id).'">'.get_string('delete_templates', 'feedback').'</a></p>';
    }else {
        echo '&nbsp;';
    }

    if($capabilities->edititems) {
        echo '<p>
            <a href="'.htmlspecialchars('export.php?action=exportfile&id='.$id).'">'.get_string('export_questions', 'feedback').'</a>/
            <a href="'.htmlspecialchars('import.php?id='.$id).'">'.get_string('import_questions', 'feedback').'</a>
        </p>';
    }
    echo $OUTPUT->box_end();
}
///////////////////////////////////////////////////////////////////////////
///print the Item-Edit-section
///////////////////////////////////////////////////////////////////////////
if($do_show == 'edit') {

    $add_item_form->display();

    if(is_array($feedbackitems)){
        $itemnr = 0;

        $helpbutton = $OUTPUT->help_icon('preview', get_string('preview','feedback'), 'feedback',true);

        echo $OUTPUT->heading($helpbutton . get_string('preview', 'feedback'));
        if(isset($SESSION->feedback->moving) AND $SESSION->feedback->moving->shouldmoving == 1) {
            echo $OUTPUT->heading('<a href="'.htmlspecialchars($ME.'?id='.$id).'">'.get_string('cancel_moving', 'feedback').'</a>');
        }
        echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthwide');

        //check, if there exists required-elements
        $countreq = $DB->count_records('feedback_item', array('feedback'=>$feedback->id, 'required'=> 1));
        if($countreq > 0) {
            // echo '<font color="red">(*)' . get_string('items_are_required', 'feedback') . '</font>';
            echo '<span class="feedback_required_mark">(*)' . get_string('items_are_required', 'feedback') . '</span>';
        }

        echo '<table>';
        if(isset($SESSION->feedback->moving) AND $SESSION->feedback->moving->shouldmoving == 1) {
            $moveposition = 1;
            echo '<tr>'; //only shown if shouldmoving = 1
                echo '<td>';
                $buttonlink = $ME.'?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&movehere='.$moveposition);
                echo '<a title="'.get_string('move_here','feedback').'" href="'.$buttonlink.'">
                        <img class="movetarget" alt="'.get_string('move_here','feedback').'" src="'.$OUTPUT->pix_url('movehere') . '" />
                      </a>';

                    // echo '<form action="'.$ME.'" method="post"><fieldset>';
                    // echo '<input title="'.get_string('move_here','feedback').'" type="image" src="'.$OUTPUT->pix_url('movehere') . '" hspace="1" height="16" width="80" border="0" />';
                    // echo '<input type="hidden" name="movehere" value="'.$moveposition.'" />';
                    // feedback_edit_print_default_form_values($id, $do_show);
                    // echo '</fieldset></form>';
                echo '</td>';
            echo '</tr>';
        }
        //print the inserted items
        $itempos = 0;
        foreach($feedbackitems as $feedbackitem){
            $itempos++;
            if(isset($SESSION->feedback->moving) AND $SESSION->feedback->moving->movingitem == $feedbackitem->id){ //hiding the item to move
                continue;
            }
            echo '<tr>';
            //items without value only are labels
            if($feedbackitem->hasvalue == 1 AND $feedback->autonumbering) {
                $itemnr++;
                echo '<td valign="top">' . $itemnr . '.&nbsp;</td>';
            } else {
                echo '<td>&nbsp;</td>';
            }
            if($feedbackitem->typ != 'pagebreak') {
                feedback_print_item($feedbackitem, false, false, true);
            }else {
                echo '<td class="feedback_pagebreak"><b>'.get_string('pagebreak', 'feedback').'</b></td><td><hr width="100%" size="8px" noshade="noshade" /></td>';
            }
            echo '<td>('.get_string('position', 'feedback').':'.$itempos .')</td>';
            echo '<td>';
            if($feedbackitem->position > 1){
                $buttonlink = $ME.'?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&moveupitem='.$feedbackitem->id);
                echo '<a class="icon up" title="'.get_string('moveup_item','feedback').'" href="'.$buttonlink.'">
                        <img alt="'.get_string('moveup_item','feedback').'" src="'.$OUTPUT->pix_url('t/up') . '" />
                      </a>';
                //print the button to move-up the item
                // echo '<form action="'.$ME.'" method="post"><fieldset>';
                // ///////echo '<input title="'.get_string('moveup_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/up') . '" hspace="1" height="11" width="11" border="0" />';
                // echo '<input class="feedback_moveup_button" title="'.get_string('moveup_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/up') . '" />';
                // echo '<input type="hidden" name="moveupitem" value="'.$feedbackitem->id.'" />';
                // feedback_edit_print_default_form_values($id, $do_show);
                // echo '</fieldset></form>';
            }else{
                echo '&nbsp;';
            }
            echo '</td>';
            echo '<td>';
            if($feedbackitem->position < $lastposition - 1){
                $buttonlink = $ME.'?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&movedownitem='.$feedbackitem->id);
                echo '<a class="icon down" title="'.get_string('movedown_item','feedback').'" href="'.$buttonlink.'">
                        <img alt="'.get_string('movedown_item','feedback').'" src="'.$OUTPUT->pix_url('t/down') . '" />
                      </a>';
                //print the button to move-down the item
                // echo '<form action="'.$ME.'" method="post"><fieldset>';
                // echo '<input title="'.get_string('movedown_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/down') . '" hspace="1" height="11" width="11" border="0" />';
                // echo '<input class="feedback_movedown_button" title="'.get_string('movedown_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/down') . '" />';
                // echo '<input type="hidden" name="movedownitem" value="'.$feedbackitem->id.'" />';
                // feedback_edit_print_default_form_values($id, $do_show);
                // echo '</fieldset></form>';
            }else{
                echo '&nbsp;';
            }
            echo '</td>';
            echo '<td>';
                $buttonlink = $ME.'?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&moveitem='.$feedbackitem->id);
                echo '<a class="editing_move" title="'.get_string('move_item','feedback').'" href="'.$buttonlink.'">
                        <img alt="'.get_string('move_item','feedback').'" src="'.$OUTPUT->pix_url('t/move') . '" />
                      </a>';
                // echo '<form action="'.$ME.'" method="post"><fieldset>';
                // echo '<input title="'.get_string('move_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/move') . '" hspace="1" height="11" width="11" border="0" />';
                // echo '<input class="feedback_move_button" title="'.get_string('move_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/move') . '" />';
                // echo '<input type="hidden" name="moveitem" value="'.$feedbackitem->id.'" />';
                // feedback_edit_print_default_form_values($id, $do_show);
                // echo '</fieldset></form>';
            echo '</td>';
            echo '<td>';
            //print the button to edit the item
            if($feedbackitem->typ != 'pagebreak') {
                $buttonlink = 'edit_item.php?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&itemid='.$feedbackitem->id.'&typ='.$feedbackitem->typ);
                echo '<a class="editing_update" title="'.get_string('edit_item','feedback').'" href="'.$buttonlink.'">
                        <img alt="'.get_string('edit_item','feedback').'" src="'.$OUTPUT->pix_url('t/edit') . '" />
                      </a>';
                // echo '<form action="edit_item.php" method="post"><fieldset>';
                // echo '<input title="'.get_string('edit_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/edit') . '" hspace="1" height="11" width="11" border="0" />';
                // echo '<input class="feedback_edit_button" title="'.get_string('edit_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/edit') . '" />';
                // echo '<input type="hidden" name="itemid" value="'.$feedbackitem->id.'" />';
                // echo '<input type="hidden" name="typ" value="'.$feedbackitem->typ.'" />';
                // feedback_edit_print_default_form_values($id, $do_show);
                // echo '</fieldset></form>';
            }else {
                echo '&nbsp;';
            }
            echo '</td>';
            echo '<td>';

            //print the toggle-button to switch required yes/no
            if($feedbackitem->hasvalue == 1) {
                // echo '<form action="'.$ME.'" method="post"><fieldset>';
                if($feedbackitem->required == 1) {
                    // echo '<input title="'.get_string('switch_item_to_not_required','feedback').'" type="image" src="pics/required.gif" hspace="1" height="11" width="11" border="0" />';
                    // echo '<input class="feedback_required_button" title="'.get_string('switch_item_to_not_required','feedback').'" type="image" src="pics/required.gif" />';
                    $buttontitle = get_string('switch_item_to_not_required','feedback');
                    $buttonimg = 'pics/required.gif';
                } else {
                    // echo '<input title="'.get_string('switch_item_to_required','feedback').'" type="image" src="pics/notrequired.gif" hspace="1" height="11" width="11" border="0" />';
                    // echo '<input class="feedback_required_button" title="'.get_string('switch_item_to_required','feedback').'" type="image" src="pics/notrequired.gif" />';
                    $buttontitle = get_string('switch_item_to_required','feedback');
                    $buttonimg = 'pics/notrequired.gif';
                }
                $buttonlink = $ME.'?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&switchitemrequired='.$feedbackitem->id);
                echo '<a class="icon feedback_switchrequired" title="'.$buttontitle.'" href="'.$buttonlink.'">
                        <img alt="'.$buttontitle.'" src="'.$buttonimg.'" />
                      </a>';
                // echo '<input type="hidden" name="switchitemrequired" value="'.$feedbackitem->id.'" />';
                // feedback_edit_print_default_form_values($id, $do_show);
                // echo '</fieldset></form>';
            }else {
                echo '&nbsp;';
            }
            echo '</td>';
            echo '<td>';
                $buttonlink = 'delete_item.php?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&deleteitem='.$feedbackitem->id);
                echo '<a class="icon delete" title="'.get_string('delete_item','feedback').'" href="'.$buttonlink.'">
                        <img alt="'.get_string('delete_item','feedback').'" src="'.$OUTPUT->pix_url('t/delete') . '" />
                      </a>';
            //print the button to drop the item
            // echo '<form action="delete_item.php" method="post"><fieldset>';
            // echo '<input class="feedback_delete_button" title="'.get_string('delete_item','feedback').'" type="image" src="'.$OUTPUT->pix_url('t/delete') . '" />';
            // echo '<input type="hidden" name="deleteitem" value="'.$feedbackitem->id.'" />';
            // feedback_edit_print_default_form_values($id, $do_show);
            // echo '</fieldset></form>';
            echo '</td>';
            echo '</tr>';
            if(isset($SESSION->feedback->moving) AND $SESSION->feedback->moving->shouldmoving == 1) {
                $moveposition++;
                echo '<tr>'; //only shown if shouldmoving = 1
                    echo '<td>';
                        $buttonlink = $ME.'?'.htmlspecialchars(feedback_edit_get_default_query($id, $do_show).'&movehere='.$moveposition);
                        echo '<a title="'.get_string('move_here','feedback').'" href="'.$buttonlink.'">
                                <img class="movetarget" alt="'.get_string('move_here','feedback').'" src="'.$OUTPUT->pix_url('movehere') . '" />
                              </a>';
                        // echo '<form action="'.$ME.'" method="post"><fieldset>';
                        // echo '<input class="feedback_movehere_button" title="'.get_string('move_here','feedback').'" type="image" src="'.$OUTPUT->pix_url('movehere') . '" />';
                        // echo '<input type="hidden" name="movehere" value="'.$moveposition.'" />';
                        // feedback_edit_print_default_form_values($id, $do_show);
                        // echo '</fieldset></form>';
                    echo '</td>';
                echo '</tr>';
            }else {
                echo '<tr><td>&nbsp;</td></tr>';
            }

        }
        echo '</table>';
        echo $OUTPUT->box_end();
    }else{
        echo $OUTPUT->box(get_string('no_items_available_yet','feedback'),'generalbox boxaligncenter');
    }
}
/// Finish the page
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////

echo $OUTPUT->footer();

function feedback_edit_get_default_query($id, $tab) {
    global $USER;

    $query = 'id='.$id;
    $query .= '&do_show='.$tab;
    //$query .= '&sesskey='.sesskey();

    return $query;
}

function feedback_edit_print_default_form_values($id, $tab) {
    global $USER;

    echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
    echo '<input type="hidden" name="id" value="'.$id.'" />';
    echo '<input type="hidden" name="do_show" value="'.$tab.'" />';
}