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MDL-6367:

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First shot at import/export support in plugins.
This commit is contained in:
thepurpleblob 2007-08-08 10:45:09 +00:00
parent d7ef47b3f1
commit a41e328736
2 changed files with 70 additions and 57 deletions
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53
question/format.php
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@ -112,6 +112,33 @@ class qformat_default {
$this->importerrors++;
}
/**
* Import for questiontype plugins
* Do not override.
* @param data mixed The segment of data containing the question
* @param question object processed (so far) by standard import code if appropriate
* @param extra mixed any additional format specific data that may be passed by the format
* @return object question object suitable for save_options() or false if cannot handle
*/
function try_importing_using_qtypes( $data, $question=null, $extra=null ) {
global $QTYPES;
// work out what format we are using
$formatname = substr( get_class( $this ), strlen('qformat_'));
$methodname = "import_from_$formatname";
// loop through installed questiontypes checking for
// function to handle this question
foreach ($QTYPES as $qtype) {
if (method_exists( $qtype, $methodname)) {
if ($question = $qtype->$methodname( $data, $question, $this, $extra )) {
return $question;
}
}
}
return false;
}
/**
* Perform any required pre-processing
* @return boolean success
@ -394,6 +421,32 @@ class qformat_default {
* EXPORT FUNCTIONS
*******************/
/**
* Provide export functionality for plugin questiontypes
* Do not override
* @param name questiontype name
* @param question object data to export
* @param extra mixed any addition format specific data needed
* @return string the data to append to export or false if error (or unhandled)
*/
function try_exporting_using_qtypes( $name, $question, $extra=null ) {
global $QTYPES;
// work out the name of format in use
$formatname = substr( get_class( $this ), strlen( 'qformat_' ));
$methodname = "export_to_$formatname";
if (array_key_exists( $name, $QTYPES )) {
$qtype = $QTYPES[ $name ];
if (method_exists( $qtype, $methodname )) {
if ($data = $qtype->$methodname( $question, $this, $extra )) {
return $data;
}
}
}
return false;
}
/**
* Return the files extension appropriate for this type
* override if you don't want .txt