/// <summary>
/// Generates code
/// </summary>
/// <param name="source">The dependence object</param>
/// <param name="classType">Type of the class.</param>
/// <param name="method">The initialize method.</param>
/// <param name="generateField"></param>
/// <returns></returns>
public override CodeExpression Generate(DependencyObject source, CodeTypeDeclaration classType, CodeMemberMethod method, bool generateField)
{
CodeExpression fieldReference = base.Generate(source, classType, method, generateField);
ItemsControl itemsControl = source as ItemsControl;
CodeComHelper.GenerateTemplateStyleField(classType, method, fieldReference, source, ItemsControl.ItemsPanelProperty);
CodeComHelper.GenerateTemplateStyleField(classType, method, fieldReference, source, ItemsControl.ItemTemplateProperty);
if (itemsControl.Items.Count > 0)
{
TypeGenerator typeGenerator = new TypeGenerator();
ValueGenerator valueGenerator = new ValueGenerator();
CodeMemberMethod itemsMethod = new CodeMemberMethod();
itemsMethod.Attributes = MemberAttributes.Static | MemberAttributes.Private;
itemsMethod.Name = "Get_" + itemsControl.Name + "_Items";
itemsMethod.ReturnType = new CodeTypeReference(typeof(ObservableCollection <object>));
classType.Members.Add(itemsMethod);
CodeVariableDeclarationStatement collection = new CodeVariableDeclarationStatement(
typeof(ObservableCollection <object>), "items", new CodeObjectCreateExpression(typeof(ObservableCollection <object>)));
itemsMethod.Statements.Add(collection);
CodeVariableReferenceExpression itemsVar = new CodeVariableReferenceExpression("items");
foreach (var item in itemsControl.Items)
{
Type itemType = item.GetType();
CodeExpression itemExpr = null;
if (typeGenerator.HasGenerator(itemType))
{
itemExpr = typeGenerator.ProcessGenerators(item, classType, itemsMethod, false);
}
else
{
itemExpr = valueGenerator.ProcessGenerators(classType, itemsMethod, item, itemsControl.Name);
}
if (itemExpr != null)
{
CodeMethodInvokeExpression addItem = new CodeMethodInvokeExpression(itemsVar, "Add", itemExpr);
itemsMethod.Statements.Add(addItem);
}
else
{
CodeComHelper.GenerateError(itemsMethod, string.Format("Type {0} in Items Control collection not supported", itemType.Name));
}
}
CodeMethodReturnStatement returnStatement = new CodeMethodReturnStatement(itemsVar);
itemsMethod.Statements.Add(returnStatement);
method.Statements.Add(new CodeAssignStatement(
new CodeFieldReferenceExpression(fieldReference, "ItemsSource"),
new CodeMethodInvokeExpression(null, itemsMethod.Name)));
}
return(fieldReference);
}
/// <summary>
/// Generates code
/// </summary>
/// <param name="source">The dependence object</param>
/// <param name="classType">Type of the class.</param>
/// <param name="method">The initialize method.</param>
/// <param name="generateField"></param>
/// <returns></returns>
public override CodeExpression Generate(DependencyObject source, CodeTypeDeclaration classType, CodeMemberMethod method, bool generateField)
{
CodeExpression fieldReference = base.Generate(source, classType, method, generateField);
ItemsControl itemsControl = source as ItemsControl;
CodeComHelper.GenerateTemplateStyleField(classType, method, fieldReference, source, ItemsControl.ItemsPanelProperty);
CodeComHelper.GenerateTemplateStyleField(classType, method, fieldReference, source, ItemsControl.ItemTemplateProperty);
if (itemsControl.Items.Count > 0)
{
TypeGenerator typeGenerator = new TypeGenerator();
ValueGenerator valueGenerator = new ValueGenerator();
CodeMemberMethod itemsMethod = new CodeMemberMethod();
itemsMethod.Attributes = MemberAttributes.Static | MemberAttributes.Private;
itemsMethod.Name = "Get_" + itemsControl.Name + "_Items";
itemsMethod.ReturnType = new CodeTypeReference(typeof(ObservableCollection<object>));
classType.Members.Add(itemsMethod);
CodeVariableDeclarationStatement collection = new CodeVariableDeclarationStatement(
typeof(ObservableCollection<object>), "items", new CodeObjectCreateExpression(typeof(ObservableCollection<object>)));
itemsMethod.Statements.Add(collection);
CodeVariableReferenceExpression itemsVar = new CodeVariableReferenceExpression("items");
foreach (var item in itemsControl.Items)
{
Type itemType = item.GetType();
CodeExpression itemExpr = null;
if (typeGenerator.HasGenerator(itemType))
{
itemExpr = typeGenerator.ProcessGenerators(item, classType, itemsMethod, false);
}
else
{
itemExpr = valueGenerator.ProcessGenerators(classType, itemsMethod, item, itemsControl.Name);
}
if (itemExpr != null)
{
CodeMethodInvokeExpression addItem = new CodeMethodInvokeExpression(itemsVar, "Add", itemExpr);
itemsMethod.Statements.Add(addItem);
}
else
{
CodeComHelper.GenerateError(itemsMethod, string.Format("Type {0} in Items Control collection not supported", itemType.Name));
}
}
CodeMethodReturnStatement returnStatement = new CodeMethodReturnStatement(itemsVar);
itemsMethod.Statements.Add(returnStatement);
method.Statements.Add(new CodeAssignStatement(
new CodeFieldReferenceExpression(fieldReference, "ItemsSource"),
new CodeMethodInvokeExpression(null, itemsMethod.Name)));
}
return fieldReference;
}
