/**
* Test that modifying the annotated pdf form return true when modified
* and false when not modified.
*/
public function test_is_feedback_modified()
{
global $DB;
$assign = $this->create_assign_and_submit_pdf();
$this->setUser($this->teachers[0]);
$grade = $assign->get_user_grade($this->students[0]->id, true);
$notempty = page_editor::has_annotations_or_comments($grade->id, false);
$this->assertFalse($notempty);
$comment = new comment();
$comment->rawtext = 'Comment text';
$comment->width = 100;
$comment->x = 100;
$comment->y = 100;
$comment->colour = 'red';
page_editor::set_comments($grade->id, 0, array($comment));
$annotations = array();
$annotation = new annotation();
$annotation->path = '';
$annotation->x = 100;
$annotation->y = 100;
$annotation->endx = 200;
$annotation->endy = 200;
$annotation->type = 'line';
$annotation->colour = 'red';
array_push($annotations, $annotation);
page_editor::set_annotations($grade->id, 0, $annotations);
$plugin = $assign->get_feedback_plugin_by_type('editpdf');
$data = new stdClass();
$data->editpdf_source_userid = $this->students[0]->id;
$this->assertTrue($plugin->is_feedback_modified($grade, $data));
$plugin->save($grade, $data);
$annotation = new annotation();
$annotation->gradeid = $grade->id;
$annotation->pageno = 0;
$annotation->path = '';
$annotation->x = 100;
$annotation->y = 100;
$annotation->endx = 200;
$annotation->endy = 200;
$annotation->type = 'rectangle';
$annotation->colour = 'yellow';
$yellowannotationid = page_editor::add_annotation($annotation);
// Add a comment as well.
$comment = new comment();
$comment->gradeid = $grade->id;
$comment->pageno = 0;
$comment->rawtext = 'Second Comment text';
$comment->width = 100;
$comment->x = 100;
$comment->y = 100;
$comment->colour = 'red';
page_editor::add_comment($comment);
$this->assertTrue($plugin->is_feedback_modified($grade, $data));
$plugin->save($grade, $data);
// We should have two annotations.
$this->assertCount(2, page_editor::get_annotations($grade->id, 0, false));
// And two comments.
$this->assertCount(2, page_editor::get_comments($grade->id, 0, false));
// Add one annotation and delete another.
$annotation = new annotation();
$annotation->gradeid = $grade->id;
$annotation->pageno = 0;
$annotation->path = '100,100:105,105:110,100';
$annotation->x = 100;
$annotation->y = 100;
$annotation->endx = 110;
$annotation->endy = 105;
$annotation->type = 'pen';
$annotation->colour = 'black';
page_editor::add_annotation($annotation);
$annotations = page_editor::get_annotations($grade->id, 0, true);
page_editor::remove_annotation($yellowannotationid);
$this->assertTrue($plugin->is_feedback_modified($grade, $data));
$plugin->save($grade, $data);
// We should have two annotations.
$this->assertCount(2, page_editor::get_annotations($grade->id, 0, false));
// And two comments.
$this->assertCount(2, page_editor::get_comments($grade->id, 0, false));
// Add a comment and then remove it. Should not be considered as modified.
$comment = new comment();
$comment->gradeid = $grade->id;
$comment->pageno = 0;
$comment->rawtext = 'Third Comment text';
$comment->width = 400;
$comment->x = 57;
$comment->y = 205;
$comment->colour = 'black';
$comment->id = page_editor::add_comment($comment);
// We should now have three comments.
$this->assertCount(3, page_editor::get_comments($grade->id, 0, true));
// Now delete the newest record.
page_editor::remove_comment($comment->id);
// Back to two comments.
$this->assertCount(2, page_editor::get_comments($grade->id, 0, true));
// No modification.
$this->assertFalse($plugin->is_feedback_modified($grade, $data));
}