private static CodeExpression GetStyleValueExpression(CodeTypeDeclaration parentClass, CodeMemberMethod method, object value, string baseName, ResourceDictionary dictionary)
{
Style style = value as Style;
string variableName = baseName + "_s";
Type targetType = style.TargetType;
CodeVariableDeclarationStatement styleVar = null;
if (targetType == typeof(IFrameworkInputElement))
{
styleVar = new CodeVariableDeclarationStatement("Style", variableName, new CodeObjectCreateExpression("Style"));
targetType = null;
}
else
{
if (style.BasedOn != null)
{
if (dictionary != null)
{
object key = FindResourceKey(dictionary, style.BasedOn);
if (key == null)
{
key = style.BasedOn.TargetType;
}
CodeExpression keyExpression = CodeComHelper.GetResourceKeyExpression(key);
string basedOnVarName = variableName + "_bo";
CodeArrayIndexerExpression initExpr = new CodeArrayIndexerExpression(new CodeThisReferenceExpression(), keyExpression);
method.Statements.Add(new CodeVariableDeclarationStatement("var", basedOnVarName, initExpr));
styleVar =
new CodeVariableDeclarationStatement("Style", variableName,
new CodeObjectCreateExpression("Style", new CodeTypeOfExpression(targetType.Name), new CodeSnippetExpression(basedOnVarName + " as Style")));
}
else
{
CodeSnippetStatement warning = new CodeSnippetStatement("#warning Style BasedOn is supported only in Dictionary.");
method.Statements.Add(warning);
}
}
if (styleVar == null)
{
styleVar = new CodeVariableDeclarationStatement("Style", variableName, new CodeObjectCreateExpression("Style", new CodeTypeOfExpression(targetType.Name)));
}
}
method.Statements.Add(styleVar);
int setterIndex = 0;
foreach (var setterBase in style.Setters)
{
Setter setter = setterBase as Setter;
if (setter != null)
{
string setterVarName = variableName + "_S_" + setterIndex;
CodeComHelper.GenerateSetter(parentClass, method, targetType, setter, setterVarName);
CodeMethodInvokeExpression addSetter = new CodeMethodInvokeExpression(
new CodeVariableReferenceExpression(variableName), "Setters.Add", new CodeVariableReferenceExpression(setterVarName));
method.Statements.Add(addSetter);
setterIndex++;
}
}
CodeComHelper.GenerateTriggers(parentClass, method, variableName, targetType, style.Triggers);
return(new CodeVariableReferenceExpression(variableName));
}
