<?php

/**

* Sharing Cart - Bulk Delete Operation

*

* @author VERSION2, Inc.

* @version $Id: bulkdelete.php 942 2013-03-28 10:42:54Z malu $

*/

require_once '../../config.php';

require_once __DIR__.'/classes/storage.php';

require_once __DIR__.'/classes/record.php';

require_once __DIR__.'/classes/renderer.php';

if (false) {

$DB = new mysqli_native_moodle_database;

$CFG = new stdClass;

$USER = new stdClass;

$PAGE = new moodle_page;

$OUTPUT = new core_renderer;

}

$courseid = required_param('course', PARAM_INT);

$returnurl = new moodle_url('/course/view.php', array('id' => $courseid));

require_login($courseid);

$delete_param = function_exists('optional_param_array')

? optional_param_array('delete', null, PARAM_RAW)

: optional_param('delete', null, PARAM_RAW);

if (is_array($delete_param)) try {

set_time_limit(0);

$delete_ids = array_map('intval', array_keys($delete_param));

list ($sql, $params) = $DB->get_in_or_equal($delete_ids);

$records = $DB->get_records_select(sharing_cart\record::TABLE, "userid = $USER->id AND id $sql", $params);

if (!$records)

throw new sharing_cart\exception('recordnotfound');

$storage = new sharing_cart\storage();

$deleted_ids = array();

foreach ($records as $record) {

$storage->delete($record->filename);

$deleted_ids[] = $record->id;

}

list ($sql, $params) = $DB->get_in_or_equal($deleted_ids);

$DB->delete_records_select(sharing_cart\record::TABLE, "id $sql", $params);

sharing_cart\record::renumber($USER->id);

redirect($returnurl);

} catch (sharing_cart\exception $ex) {

print_error($ex->errorcode, $ex->module, $returnurl, $ex->a);

} catch (Exception $ex) {

if (!empty($CFG->debug) and $CFG->debug >= DEBUG_DEVELOPER) {

print_error('notlocalisederrormessage', 'error', '', $ex->__toString());

} else {

print_error('unexpectederror', 'block_sharing_cart', $returnurl);

}

}

$orderby = 'tree,weight,modtext';

if ($DB->get_dbfamily() == 'mssql' || $DB->get_dbfamily() == 'oracle') {

// SQL Server and Oracle do not support ordering by TEXT field.

$orderby = 'tree,weight,CAST(modtext AS VARCHAR(255))';

}

$items = $DB->get_records(sharing_cart\record::TABLE, array('userid' => $USER->id), $orderby);

$title = get_string('bulkdelete', 'block_sharing_cart');

$PAGE->set_pagelayout('standard');

$PAGE->set_url('/blocks/sharing_cart/bulkdelete.php', array('course' => $courseid));

$PAGE->set_title($title);

$PAGE->set_heading($title);

$PAGE->navbar->add(get_string('pluginname', 'block_sharing_cart'))->add($title, '');

echo $OUTPUT->header();

{

echo $OUTPUT->heading($title);

echo '

<div style="width:100%; text-align:center;">';

if (empty($items)) {

echo '

<div>

<input type="button" onclick="history.back();" value="', get_string('back'), '" />

</div>';

} else {

echo '

<script type="text/javascript">

//<![CDATA[

function get_checks()

{

var els = document.forms["form"].elements;

var ret = new Array();

for (var i = 0; i < els.length; i++) {

var el = els[i];

if (el.type == "checkbox" && el.name.match(/^delete\b/)) {

ret.push(el);

}

}

return ret;

}

function check_all(check)

{

var checks = get_checks();

for (var i = 0; i < checks.length; i++) {

checks[i].checked = check.checked;

}

document.forms["form"].elements["delete_checked"].disabled = !check.checked;

}

function confirm_delete_selected()

{

return confirm("', htmlspecialchars(

get_string('confirm_delete_selected', 'block_sharing_cart')

), '");

}

function check()

{

var delete_checked = document.forms["form"].elements["delete_checked"];

var checks = get_checks();

for (var i = 0; i < checks.length; i++) {

if (checks[i].checked) {

delete_checked.disabled = false;

return;

}

}

delete_checked.disabled = true;

}

//]]>

</script>

<form action="', $PAGE->url->out_omit_querystring(), '"

method="post" id="form" onsubmit="return confirm_delete_selected();">

<div style="display:none;">

' . html_writer::input_hidden_params($PAGE->url) . '

</div>

<div><label style="cursor:default;">

<input type="checkbox" checked="checked" onclick="check_all(this);"

style="height:16px; vertical-align:middle;" />

<span>', get_string('selectall'), '</span>

</label></div>';

$i = 0;

echo '

<ul style="list-style-type:none; float:left;">';

foreach ($items as $id => $item) {

echo '

<li style="list-style-type:none; clear:left;">

<input type="checkbox" name="delete['.$id.']" checked="checked" onclick="check();"

style="float:left; height:16px;" id="delete_'.$id.'" />

<div style="float:left;">', sharing_cart\renderer::render_modicon($item), '</div>

<div style="float:left;">

<label for="delete_'.$id.'">', $item->modtext, '</label>

</div>

</li>';

if (++$i % 10 == 0) {

echo '

</ul>

<ul style="list-style-type:none; float:left;">';

}

}

echo '

</ul>';

echo '

<div style="clear:both;"><!-- clear floating --></div>

<div>

<input type="button" onclick="history.back();" value="', get_string('cancel'), '" />

<input type="submit" name="delete_checked" value="', get_string('deleteselected'), '" />

</div>

</form>';

}

echo '

</div>';

}

echo $OUTPUT->footer();