ENHANCEMENT: Added better support for using DataDifferencer to look at new records.

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@79400 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2009-06-17 03:17:29 +00:00
parent 546a5b2c89
commit 7e3652216b

View File

@ -37,7 +37,12 @@ class DataDifferencer extends ViewableData {
protected $ignoredFields = array("ID","Version","RecordID"); protected $ignoredFields = array("ID","Version","RecordID");
/**
* Construct a DataDifferencer to show the changes between $fromRecord and $toRecord.
* If $fromRecord is null, this will represent a "creation".
*/
function __construct($fromRecord, $toRecord) { function __construct($fromRecord, $toRecord) {
if(!$toRecord) user_error("DataDifferencer constructed without a toRecord", E_USER_WARNING);
$this->fromRecord = $fromRecord; $this->fromRecord = $fromRecord;
$this->toRecord = $toRecord; $this->toRecord = $toRecord;
} }
@ -57,13 +62,20 @@ class DataDifferencer extends ViewableData {
* <ins> and <del> tags. * <ins> and <del> tags.
*/ */
function diffedData() { function diffedData() {
$diffed = clone $this->fromRecord; if($this->fromRecord) {
$fields = array_keys($diffed->getAllFields()); $diffed = clone $this->fromRecord;
$fields = array_keys($diffed->getAllFields());
} else {
$diffed = clone $this->toRecord;
$fields = array_keys($this->toRecord->getAllFields());
}
foreach($fields as $field) { foreach($fields as $field) {
if(in_array($field, $this->ignoredFields)) continue; if(in_array($field, $this->ignoredFields)) continue;
if($this->fromRecord->$field != $this->toRecord->$field) { if(!$this->fromRecord) {
$diffed->$field = "<ins>" . $this->toRecord->$field . "</ins>";
} else if($this->fromRecord->$field != $this->toRecord->$field) {
$diffed->$field = Diff::compareHTML($this->fromRecord->$field, $this->toRecord->$field); $diffed->$field = Diff::compareHTML($this->fromRecord->$field, $this->toRecord->$field);
} }
} }
@ -82,16 +94,25 @@ class DataDifferencer extends ViewableData {
*/ */
function ChangedFields() { function ChangedFields() {
$changedFields = new DataObjectSet(); $changedFields = new DataObjectSet();
$fields = array_keys($this->fromRecord->getAllFields());
if($this->fromRecord) {
$base = $this->fromRecord;
$fields = array_keys($this->fromRecord->getAllFields());
} else {
$base = $this->toRecord;
$fields = array_keys($this->toRecord->getAllFields());
}
foreach($fields as $field) { foreach($fields as $field) {
if(in_array($field, $this->ignoredFields)) continue; if(in_array($field, $this->ignoredFields)) continue;
if($this->fromRecord->$field != $this->toRecord->$field) { if(!$this->fromRecord || $this->fromRecord->$field != $this->toRecord->$field) {
$changedFields->push(new ArrayData(array( $changedFields->push(new ArrayData(array(
'Name' => $field, 'Name' => $field,
'Title' => $this->fromRecord->fieldLabel($field), 'Title' => $base->fieldLabel($field),
'Diff' => Diff::compareHTML($this->fromRecord->$field, $this->toRecord->$field), 'Diff' => $this->fromRecord
? Diff::compareHTML($this->fromRecord->$field, $this->toRecord->$field)
: "<ins>" . $this->toRecord->$field . "</ins>",
'From' => $this->fromRecord->$field, 'From' => $this->fromRecord->$field,
'To' => $this->toRecord->$field, 'To' => $this->toRecord->$field,
))); )));
@ -120,4 +141,4 @@ class DataDifferencer extends ViewableData {
return $changedFields; return $changedFields;
} }
} }