internal override XElement CreateXml()
{
XElement xRoot;
if (Set == false)
{
xRoot = new XElement(XmlConstants.UserVariable, Name);
Set = true;
XmlParserTempProjectHelper.currentVariableNum++;
ObjectNum = XmlParserTempProjectHelper.currentObjectNum;
ScriptNum = XmlParserTempProjectHelper.currentScriptNum;
BrickNum = XmlParserTempProjectHelper.currentBrickNum;
VariableNum = XmlParserTempProjectHelper.currentVariableNum;
}
else if (Set)
{
XmlUserVariableReference userVariableReference = new XmlUserVariableReference();
userVariableReference.UserVariable = this;
userVariableReference.LoadReference();
xRoot = userVariableReference.CreateXml();
}
else
{
xRoot = new XElement("XmlUserVarialbe.cs Error");
}
return(xRoot);
}
internal override void LoadFromXml(XElement xRoot)
{
if(xRoot.HasAttribute(XmlConstants.Reference))
{
XmlUserVariableReference bufferReference = new XmlUserVariableReference(xRoot);
Name = bufferReference.UserVariable.Name;
}
else
Name = xRoot.Value;
}
internal override void LoadFromXml(XElement xRoot)
{
if (xRoot.HasAttribute(XmlConstants.Reference))
{
XmlUserVariableReference bufferReference = new XmlUserVariableReference(xRoot);
Name = bufferReference.UserVariable.Name;
}
else
{
Name = xRoot.Value;
}
}
private static XmlObjectNode GetUserVariableObject(XmlUserVariableReference xmlUserVariableReference, string reference)
{
XElement currentElement = xmlUserVariableReference._xRoot;
string[] array = reference.Split(new char[] { '/'}, StringSplitOptions.RemoveEmptyEntries);
var matchQuery = from word in array
where word.ToLowerInvariant() == ".."
select word;
int stepsDown = matchQuery.Count();
for(int i=0; i < stepsDown; i++)
{
currentElement = currentElement.Parent;
}
for(int i=stepsDown; i<array.Length; i++)
{
//TODO: throws exception
string type = array[i].Split('[')[0];
int number = GetElementNumber(array[i]);
currentElement = currentElement.Elements(type).ElementAt(number);
}
return new XmlUserVariable(currentElement);
}
private static string GetVariableReferenceString(XmlUserVariableReference xmlUserVariableReference)
{
XmlUserVariable var = xmlUserVariableReference.UserVariable;
if(XmlParserTempProjectHelper.inObjectVarList)
return GetStepDownString(5) + XmlConstants.ObjectList + "/"
+ XmlConstants.Object + GetReferenceNumeration(var.ObjectNum) + "/"
+ XmlConstants.ScriptList + "/"
+ XmlConstants.Script + GetReferenceNumeration(var.ScriptNum) + "/"
+ XmlConstants.BrickList + "/"
+ XmlConstants.Brick + GetReferenceNumeration(var.BrickNum) + "/"
+ XmlConstants.UserVariable + GetReferenceNumeration(var.VariableNum);
else if (XmlParserTempProjectHelper.inProgramVarList)
return GetStepDownString(3) + XmlConstants.ObjectList + "/"
+ XmlConstants.Object + GetReferenceNumeration(var.ObjectNum) + "/"
+ XmlConstants.ScriptList + "/"
+ XmlConstants.Script + GetReferenceNumeration(var.ScriptNum) + "/"
+ XmlConstants.BrickList + "/"
+ XmlConstants.Brick + GetReferenceNumeration(var.BrickNum) + "/"
+ XmlConstants.UserVariable + GetReferenceNumeration(var.VariableNum);
else if (xmlUserVariableReference.UserVariable.ObjectNum != XmlParserTempProjectHelper.currentObjectNum)
return GetStepDownString(6) + XmlConstants.Object + GetReferenceNumeration(var.ObjectNum) + "/"
+ XmlConstants.ScriptList + "/"
+ XmlConstants.Script + GetReferenceNumeration(var.ScriptNum) + "/"
+ XmlConstants.BrickList + "/" + XmlConstants.Brick + GetReferenceNumeration(var.BrickNum) + "/"
+ XmlConstants.UserVariable + GetReferenceNumeration(var.VariableNum);
else if (xmlUserVariableReference.UserVariable.ScriptNum != XmlParserTempProjectHelper.currentScriptNum)
return GetStepDownString(4) + XmlConstants.Script + GetReferenceNumeration(var.ScriptNum) + "/"
+ XmlConstants.Brick + GetReferenceNumeration(var.BrickNum) + "/"
+ XmlConstants.UserVariable + GetReferenceNumeration(var.VariableNum);
else if (xmlUserVariableReference.UserVariable.BrickNum != XmlParserTempProjectHelper.currentBrickNum)
return GetStepDownString(2) + XmlConstants.Brick + GetReferenceNumeration(var.BrickNum) + "/"
+ XmlConstants.UserVariable + GetReferenceNumeration(var.VariableNum);
else if (xmlUserVariableReference.UserVariable.VariableNum != XmlParserTempProjectHelper.currentVariableNum)
return GetStepDownString(1) + XmlConstants.UserVariable + GetReferenceNumeration(var.VariableNum);
else
return "the ReferenceHelper is not working properly!";
}
public void XmlObjectUservariableReferenceTest()
{
XmlProgram programm = new XmlProgram()
{
SpriteList = new XmlSpriteList()
{
Sprites = new List<XmlSprite>(),
},
VariableList = new XmlVariableList()
{
ObjectVariableList = new XmlObjectVariableList()
{
}
}
};
TextReader sr = new StringReader("<objectList>" +
" <object name=\"Hintergrund\">" +
" </object>" +
" <object name=\"FlaPacMan\">" +
" <scriptList>" +
" <script type=\"BroadcastScript\">" +
" <brickList>" +
" <brick type=\"SetVariableBrick\">" +
" <formulaList>" +
" <formula category=\"VARIABLE\">" +
" <type>NUMBER</type>" +
" <value>1</value>" +
" </formula>" +
" </formulaList>" +
" <userVariable>paclives</userVariable>" +
" </brick>" +
" <brick type=\"SetVariableBrick\">" +
" <formulaList>" +
" <formula category=\"VARIABLE\">" +
" <type>NUMBER</type>" +
" <value>0.0</value>" +
" </formula>" +
" </formulaList>" +
" <userVariable>change anim</userVariable>" +
" </brick>" +
" <brick type=\"SetVariableBrick\">" +
" <formulaList>" +
" <formula category=\"VARIABLE\">" +
" <type>NUMBER</type>" +
" <value>1</value>" +
" </formula>" +
" </formulaList>" +
" <userVariable>animframe</userVariable>" +
" </brick>" +
" </brickList>" +
" </script>" +
" </scriptList>" +
" </object>" +
" <object name =\"handmade referenceobject\">" +
" <scriptList>" +
" <script type=\"BroadcastScript\">" +
" <brickList>" +
" <brick type =\"ChangeVariableBrick\">" +
" <formulaList>" +
" <formula category=\"VARIABLE_CHANGE\">" +
" <type>NUMBER</type>" +
" <value>7</value>" +
" </formula>" +
" </formulaList>" +
" <userVariable reference=\"../../../../../../object[2]/scriptList/script/brickList/brick[3]/userVariable\" />" +
" </brick>" +
" </brickList > " +
" </script>" +
" </scriptList>" +
" </object>" +
"</objectList>");
var objectList = XElement.Load(sr);
programm.SpriteList.LoadFromXml(objectList);
XmlParserTempProjectHelper.Program = programm;
//change these 3 to get differnt deep references as you are specifying the "iterator" in the imaginary XML-Docucment
XmlParserTempProjectHelper.currentObjectNum = 3;
XmlParserTempProjectHelper.currentBrickNum = 1;
XmlParserTempProjectHelper.currentVariableNum = 1;
//the variable you wanna reference to from the position of the "iterator" - ! it has to exist in the above XML-snippet but you can also modify this if you know what you are doing!
var userVariableRefTest = new XmlUserVariableReference();
userVariableRefTest.UserVariable = ((XmlSetVariableBrick) programm.SpriteList.Sprites[1].Scripts.Scripts[0].Bricks.Bricks[2]).UserVariable;
userVariableRefTest.UserVariable.ObjectNum = 2;
userVariableRefTest.UserVariable.ScriptNum = 1;
userVariableRefTest.UserVariable.BrickNum = 3;
userVariableRefTest.UserVariable.VariableNum = 1;
String testString = userVariableRefTest.CreateXml().ToString();
//string of variable reference from xml-snippet
//be in mind to adapt the deep accordingly to your changes above
//if you change the refence be in mind that in the Catrobat XML language (at leats until 0.94) counting starts at 1 not at 0 and [1]'s are not shown/written
var referenceXElement = objectList.Descendants(XmlConstants.UserVariable).Where(uservar => uservar.HasAttributes).First();
String referenceString = referenceXElement.ToString();//should be "<userVariable reference=\"../../../../../../object[2]/scriptList/script/brickList/brick[3]/userVariable\" />";
Assert.AreEqual(referenceString, testString, "XmlObjectUservariableReferenceTest failed at the CreateXML part");
var userVariableRefLoaded = new XmlUserVariableReference();
userVariableRefLoaded.LoadFromXml(referenceXElement);
userVariableRefLoaded.UserVariable.ObjectNum = 2;
userVariableRefLoaded.UserVariable.ScriptNum = 1;
userVariableRefLoaded.UserVariable.BrickNum = 3;
userVariableRefLoaded.UserVariable.VariableNum = 1;
Assert.AreEqual(userVariableRefLoaded.UserVariable, userVariableRefTest.UserVariable, "XmlObjectUservariableReferenceTest failed at the LoadXML part");
}
internal override XElement CreateXml()
{
XElement xRoot;
if (Set == false)
{
xRoot = new XElement(XmlConstants.UserVariable, Name);
Set = true;
XmlParserTempProjectHelper.currentVariableNum++;
ObjectNum = XmlParserTempProjectHelper.currentObjectNum;
ScriptNum = XmlParserTempProjectHelper.currentScriptNum;
BrickNum = XmlParserTempProjectHelper.currentBrickNum;
VariableNum = XmlParserTempProjectHelper.currentVariableNum;
}
else if(Set)
{
XmlUserVariableReference userVariableReference = new XmlUserVariableReference();
userVariableReference.UserVariable = this;
userVariableReference.LoadReference();
xRoot = userVariableReference.CreateXml();
}
else
xRoot = new XElement("XmlUserVarialbe.cs Error");
return xRoot;
}
