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MDL-27819 backup - added nextpageid and prevpageid elements to lesson moodle1 backup conversion to 2.x

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This commit is contained in:
Aparup Banerjee 2011-06-13 16:17:24 +08:00 committed by Eloy Lafuente (stronk7)
parent 84a5f2d26e
commit 496a576aa9
1 changed files with 78 additions and 37 deletions
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115
mod/lesson/backup/moodle1/lib.php
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@ -33,6 +33,11 @@ class moodle1_mod_lesson_handler extends moodle1_mod_handler {
// @var array of answers, when there are more that 4 answers, we need to fix <jumpto>.
protected $answers;
// @var stdClass a page object of the current page
protected $page;
// @var array of page objects to store entire pages, to help generate nextpageid and prevpageid in data
protected $pages;
/** @var moodle1_file_manager */
protected $fileman = null;
@ -67,11 +72,13 @@ class moodle1_mod_lesson_handler extends moodle1_mod_handler {
array(
'newfields' => array(
'contentsformat' => FORMAT_MOODLE,
'nextpageid' => 0, //set to default to the next sequencial page in process_lesson_page()
'prevpageid' => 0
),
)
),
new convert_path(
'lesson_answers', '/MOODLE_BACKUP/COURSE/MODULES/MOD/LESSON/PAGES/PAGE/ANSWERS'
'lesson_pages', '/MOODLE_BACKUP/COURSE/MODULES/MOD/LESSON/PAGES'
),
new convert_path(
'lesson_answer', '/MOODLE_BACKUP/COURSE/MODULES/MOD/LESSON/PAGES/PAGE/ANSWERS/ANSWER',
@ -121,17 +128,18 @@ class moodle1_mod_lesson_handler extends moodle1_mod_handler {
'modulename' => 'lesson', 'contextid' => $contextid));
$this->xmlwriter->begin_tag('lesson', array('id' => $instanceid));
unset($data['id']);
foreach ($data as $field => $value) {
if ($field <> 'id') {
$this->xmlwriter->full_tag($field, $value);
}
$this->xmlwriter->full_tag($field, $value);
}
$this->xmlwriter->begin_tag('pages');
return $data;
}
public function on_lesson_pages_start() {
$this->xmlwriter->begin_tag('pages');
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/LESSON/PAGES/PAGE
* data available
@ -145,12 +153,11 @@ class moodle1_mod_lesson_handler extends moodle1_mod_handler {
$data['contentsformat'] = FORMAT_HTML;
}
$this->xmlwriter->begin_tag('page', array('id' => $data['pageid']));
foreach ($data as $field => $value) {
if ($field <> 'id') {
$this->xmlwriter->full_tag($field, $value);
}
}
// store page in pages
$this->page = new stdClass();
$this->page->id = $data['pageid'];
unset($data['pageid']);
$this->page->data = $data;
}
/**
@ -175,33 +182,68 @@ class moodle1_mod_lesson_handler extends moodle1_mod_handler {
$this->answers[] = $data;
}
public function on_lesson_answers_end() {
$this->xmlwriter->begin_tag('answers');
if (count($this->answers) > 3) {
if ($this->answers[0]['jumpto'] !== '0' || $this->answers[1]['jumpto'] !== '0') {
if ($this->answers[2]['jumpto'] !== '0') {
$this->answers[0]['jumpto'] = $this->answers[2]['jumpto'];
$this->answers[2]['jumpto'] = '0';
}
if ($this->answers[3]['jumpto'] !== '0') {
$this->answers[1]['jumpto'] = $this->answers[3]['jumpto'];
$this->answers[3]['jumpto'] = '0';
}
}
}
foreach ($this->answers as $data) {
$this->write_xml('answer', $data, array('/answer/id'));
}
public function on_lesson_page_end() {
$this->page->answers = $this->answers;
unset($this->answers);
$this->xmlwriter->end_tag('answers');
$this->pages[] = $this->page;
unset($this->page);
}
/**
* This is executed when we reach the closing </pages>tag of our 'page' path
*/
public function on_lesson_page_end(){
$this->xmlwriter->end_tag('page');
public function on_lesson_pages_end() {
$prevpageid = 0;
foreach ($this->pages as $page) {
$curpageid = $page->id;
// if there are more pages, set nextpageid
if (isset($this->pages[1])) {
$nextpage = $this->pages[1];
$nextpageid = $nextpage->id;
} else {
//theres only one page left
$nextpageid = 0;
}
//mince nextpageid and prevpageid
$page->data['nextpageid'] = $nextpageid;
$page->data['prevpageid'] = $prevpageid;
array_shift($this->pages);
// write out each page data
$this->xmlwriter->begin_tag('page', array('id' => $page->id));
foreach ($page->data as $field => $value) {
$this->xmlwriter->full_tag($field, $value);
}
//effectively on_lesson_answers_end(), where we write out answers for current page.
$answers = $page->answers;
$this->xmlwriter->begin_tag('answers');
if (count($answers) > 3) {
if ($answers[0]['jumpto'] !== '0' || $answers[1]['jumpto'] !== '0') {
if ($answers[2]['jumpto'] !== '0') {
$answers[0]['jumpto'] = $answers[2]['jumpto'];
$answers[2]['jumpto'] = '0';
}
if ($answers[3]['jumpto'] !== '0') {
$answers[1]['jumpto'] = $answers[3]['jumpto'];
$answers[3]['jumpto'] = '0';
}
}
}
foreach ($answers as $data) {
$this->write_xml('answer', $data, array('/answer/id'));
}
$this->xmlwriter->end_tag('answers');
// answers is now closed for current page. Ending the page.
$this->xmlwriter->end_tag('page');
// set prevpageid
$prevpageid = $curpageid;
}
$this->xmlwriter->end_tag('pages');
}
/**
@ -209,7 +251,6 @@ class moodle1_mod_lesson_handler extends moodle1_mod_handler {
*/
public function on_lesson_end() {
// finish writing lesson.xml
$this->xmlwriter->end_tag('pages');
$this->xmlwriter->end_tag('lesson');
$this->xmlwriter->end_tag('activity');
$this->close_xml_writer();