/**
* Creates the backup_schema_form instance for this stage
*
* @return backup_schema_form
*/
protected function initialise_stage_form()
{
global $PAGE;
if ($this->stageform === null) {
$form = new backup_schema_form($this, $PAGE->url);
$tasks = $this->ui->get_tasks();
$content = '';
$courseheading = false;
$add_settings = array();
$dependencies = array();
foreach ($tasks as $task) {
if (!$task instanceof backup_root_task) {
if (!$courseheading) {
// If we havn't already display a course heading to group nicely
$form->add_heading('coursesettings', get_string('includeactivities', 'backup'));
$courseheading = true;
}
// First add each setting
foreach ($task->get_settings() as $setting) {
$add_settings[] = array($setting, $task);
}
// The add all the dependencies
foreach ($task->get_settings() as $setting) {
$dependencies[] = $setting;
}
} else {
if ($this->ui->enforce_changed_dependencies()) {
// Only show these settings if dependencies changed them.
// Add a root settings heading to group nicely
$form->add_heading('rootsettings', get_string('rootsettings', 'backup'));
// Iterate all settings and add them to the form as a fixed
// setting. We only want schema settings to be editable
foreach ($task->get_settings() as $setting) {
if ($setting->get_name() != 'filename') {
$form->add_fixed_setting($setting, $task);
}
}
}
}
}
$form->add_settings($add_settings);
foreach ($dependencies as $depsetting) {
$form->add_dependencies($depsetting);
}
$this->stageform = $form;
}
return $this->stageform;
}
/**
* Creates the backup_schema_form instance for this stage
*
* @return backup_schema_form
*/
protected function initialise_stage_form()
{
global $PAGE;
if ($this->stageform === null) {
$form = new backup_schema_form($this, $PAGE->url);
$tasks = $this->ui->get_tasks();
$content = '';
$courseheading = false;
$add_settings = array();
$dependencies = array();
// Track progress through each stage.
$progress = $this->ui->get_controller()->get_progress();
$progress->start_progress('Initialise stage form', 3);
// Get settings for all tasks.
$progress->start_progress('', count($tasks));
$done = 1;
foreach ($tasks as $task) {
if (!$task instanceof backup_root_task) {
if (!$courseheading) {
// If we havn't already display a course heading to group nicely
$form->add_heading('coursesettings', get_string('includeactivities', 'backup'));
$courseheading = true;
}
// First add each setting
foreach ($task->get_settings() as $setting) {
$add_settings[] = array($setting, $task);
}
// The add all the dependencies
foreach ($task->get_settings() as $setting) {
$dependencies[] = $setting;
}
} else {
if ($this->ui->enforce_changed_dependencies()) {
// Only show these settings if dependencies changed them.
// Add a root settings heading to group nicely
$form->add_heading('rootsettings', get_string('rootsettings', 'backup'));
// Iterate all settings and add them to the form as a fixed
// setting. We only want schema settings to be editable
foreach ($task->get_settings() as $setting) {
if ($setting->get_name() != 'filename') {
$form->add_fixed_setting($setting, $task);
}
}
}
}
// Update progress.
$progress->progress($done++);
}
$progress->end_progress();
// Add settings for tasks in batches of up to 1000. Adding settings
// in larger batches improves performance, but if it takes too long,
// we won't be able to update the progress bar so the backup might
// time out. 1000 is chosen to balance this.
$numsettings = count($add_settings);
$progress->start_progress('', ceil($numsettings / self::MAX_SETTINGS_BATCH));
$start = 0;
$done = 1;
while ($start < $numsettings) {
$length = min(self::MAX_SETTINGS_BATCH, $numsettings - $start);
$form->add_settings(array_slice($add_settings, $start, $length));
$start += $length;
$progress->progress($done++);
}
$progress->end_progress();
$progress->start_progress('', count($dependencies));
$done = 1;
foreach ($dependencies as $depsetting) {
$form->add_dependencies($depsetting);
$progress->progress($done++);
}
$progress->end_progress();
// End overall progress through creating form.
$progress->end_progress();
$this->stageform = $form;
}
return $this->stageform;
}