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MDL-42671 EditPDF: Disable EditPDF is zlib is not available

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Also put a warning on the admin page if this is the case.
This commit is contained in:
Damyon Wiese 2013-11-05 23:30:28 +08:00
parent 61bac37cf1
commit 237f484188
4 changed files with 80 additions and 2 deletions
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2
mod/assign/feedback/editpdf/lang/en/assignfeedback_editpdf.php
View file

@ -89,3 +89,5 @@ $string['unsavedchanges'] = 'Unsaved changes';
$string['viewfeedbackonline'] = 'View annotated pdf...';
$string['white'] = 'White';
$string['yellow'] = 'Yellow';
$string['zlibenabled'] = 'zlib enabled';
$string['zlibnotavailable'] = 'Php extension "zlib" is not available. The annotate PDF feature relies on this php extension and will be disabled until zlib is installed and enabled.';

3
mod/assign/feedback/editpdf/locallib.php
View file

@ -266,6 +266,9 @@ class assign_feedback_editpdf extends assign_feedback_plugin {
*/
public function is_enabled() {
$testpath = assignfeedback_editpdf\pdf::test_gs_path();
if (!extension_loaded('zlib')) {
return false;
}
if ($testpath->status == assignfeedback_editpdf\pdf::GSPATH_OK) {
return true;
}

12
mod/assign/feedback/editpdf/settings.php
View file

@ -35,8 +35,16 @@ $settings->add($setting);
// Ghostscript setting.
$settings->add(new admin_setting_configexecutable('assignfeedback_editpdf/gspath',
get_string('gspath', 'assignfeedback_editpdf'),
get_string('gspath_help', 'assignfeedback_editpdf'), '/usr/bin/gs'));
get_string('gspath', 'assignfeedback_editpdf'),
get_string('gspath_help', 'assignfeedback_editpdf'),
'/usr/bin/gs'));
$setting = new admin_setting_php_extension_enabled('assignfeedback_editpdf/zlibenabled',
get_string('zlibenabled', 'assignfeedback_editpdf'),
get_string('zlibnotavailable', 'assignfeedback_editpdf'),
'zlib');
$settings->add($setting);
$url = new moodle_url('/mod/assign/feedback/editpdf/testgs.php');
$link = html_writer::link($url, get_string('testgs', 'assignfeedback_editpdf'));