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Instrumented Model Factory with means to keep track of touched nodes

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SVN:trunk[3461]
This commit is contained in:
Romain Quetiez
2014-12-12 12:17:43 +00:00
parent e738ba35b7
commit 53e997cfba
1 changed files with 72 additions and 8 deletions
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80
setup/modelfactory.class.inc.php
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@@ -943,9 +943,23 @@ EOF
}
/**
* Get the text/XML version of the delta
* Set the value for a given trace attribute
* See MFElement::SetTrace to enable/disable change traces
*/
public function GetDelta($aNodesToIgnore = array(), $aAttributes = null)
public function SetTraceValue($sAttribute, $sPreviousValue, $sNewValue)
{
// Search into the deleted node as well!
$oNodeSet = $this->oDOMDocument->GetNodes("//*[@$sAttribute='$sPreviousValue']", null, false);
foreach($oNodeSet as $oTouchedNode)
{
$oTouchedNode->setAttribute($sAttribute, $sNewValue);
}
}
/**
* Get the document version of the delta
*/
public function GetDeltaDocument($aNodesToIgnore = array(), $aAttributes = null)
{
$oDelta = new MFDocument();
foreach($this->ListChanges() as $oAlteredNode)
@@ -957,7 +971,14 @@ EOF
$oNodesToRemove = $oDelta->GetNodes($sXPath);
foreach($oNodesToRemove as $oNode)
{
$oNode->parentNode->removeChild($oNode);
if ($oNode instanceof DOMAttr)
{
$oNode->ownerElement->removeAttributeNode($oNode);
}
else
{
$oNode->parentNode->removeChild($oNode);
}
}
}
if ($aAttributes != null)
@@ -967,6 +988,15 @@ EOF
$oDelta->documentElement->setAttribute($sAttribute, $value);
}
}
return $oDelta;
}
/**
* Get the text/XML version of the delta
*/
public function GetDelta($aNodesToIgnore = array(), $aAttributes = null)
{
$oDelta = $this->GetDeltaDocument($aNodesToIgnore, $aAttributes);
return $oDelta->saveXML();
}
@@ -1452,7 +1482,32 @@ class MFElement extends DOMElement
}
return false;
}
static $aTraceAttributes = null;
/**
* Enable/disable the trace on changed nodes
*
*@param aAttributes array Array of attributes (key => value) to be added onto any changed node
*/
static public function SetTrace($aAttributes = null)
{
self::$aTraceAttributes = $aAttributes;
}
/**
* Mark the node as touched (if tracing is active)
*/
public function AddTrace()
{
if (!is_null(self::$aTraceAttributes))
{
foreach (self::$aTraceAttributes as $sAttribute => $value)
{
$this->setAttribute($sAttribute, $value);
}
}
}
/**
* Add a node and set the flags that will be used to compute the delta
@@ -1460,9 +1515,10 @@ class MFElement extends DOMElement
*/
public function AddChildNode(MFElement $oNode)
{
// First: cleanup any flag behind the new node
// First: cleanup any flag behind the new node, and eventually add trace data
$oNode->ApplyChanges();
$oNode->AddTrace();
$oExisting = $this->_FindChildNode($oNode);
if ($oExisting)
{
@@ -1490,8 +1546,9 @@ class MFElement extends DOMElement
*/
public function RedefineChildNode(MFElement $oNode, $sSearchId = null)
{
// First: cleanup any flag behind the new node
// First: cleanup any flag behind the new node, and eventually add trace data
$oNode->ApplyChanges();
$oNode->AddTrace();
$oExisting = $this->_FindChildNode($oNode, $sSearchId);
if (!$oExisting)
@@ -1521,8 +1578,9 @@ class MFElement extends DOMElement
*/
public function SetChildNode(MFElement $oNode, $sSearchId = null)
{
// First: cleanup any flag behind the new node
// First: cleanup any flag behind the new node, and eventually add trace data
$oNode->ApplyChanges();
$oNode->AddTrace();
$oExisting = $this->_FindChildNode($oNode, $sSearchId);
if ($oExisting)
@@ -1621,6 +1679,9 @@ class MFElement extends DOMElement
{
$this->setAttribute('_alteration', $sFlag);
$this->DeleteChildren();
// Add trace data
$this->AddTrace();
}
else
{
@@ -1688,6 +1749,9 @@ class MFElement extends DOMElement
}
}
$this->setAttribute('id', $sId);
// Leave a trace of this change
$this->AddTrace();
}
/**