public FieldAggregator() {
foreach(FieldType fieldType in FieldType.Values) {
Field field = new Field(fieldType, GetType());
AddField(field);
}
boundContainers = new List<IDrawableContainer>();
}
public virtual void AddField(Field field) {
if (fieldsByType != null && fieldsByType.ContainsKey(field.FieldType)) {
if (LOG.IsDebugEnabled) {
LOG.DebugFormat("A field with of type '{0}' already exists in this {1}, will overwrite.", field.FieldType, GetType());
}
}
fields.Add(field);
fieldsByType[field.FieldType] = field;
field.PropertyChanged += delegate { if(fieldChanged != null) fieldChanged(this, new FieldChangedEventArgs(field)); };
}
public void TestSerializeField() {
Field f = new Field(FieldType.ARROWHEADS, GetType());
f.myValue = ArrowContainer.ArrowHeadCombination.BOTH;
Field clone = (Field) Objects.DeepClone(f);
Assert.AreEqual(f, clone);
Assert.AreEqual(f.Value, clone.Value);
Assert.AreEqual(f.Scope, clone.Scope);
f.Scope = this.GetType().ToString();
clone = (Field) Objects.DeepClone(f);
Assert.AreEqual(f, clone);
Assert.AreEqual(f.Value, clone.Value);
Assert.AreEqual(f.Scope, clone.Scope);
}
/// <summary>
/// This method will be called before a field is changes.
/// Using this makes it possible to invalidate the object as is before changing.
/// </summary>
/// <param name="fieldToBeChanged">The field to be changed</param>
/// <param name="newValue">The new value</param>
public virtual void BeforeFieldChange(Field fieldToBeChanged, object newValue) {
_parent.MakeUndoable(new ChangeFieldHolderMemento(this, fieldToBeChanged), true);
Invalidate();
}
public override void AddField(Field field) {
base.AddField(field);
field.PropertyChanged += OwnPropertyChanged;
}
public ChangeFieldHolderMemento(IDrawableContainer drawableContainer, Field fieldToBeChanged) {
this.drawableContainer = drawableContainer;
this.fieldToBeChanged = fieldToBeChanged;
oldValue = fieldToBeChanged.Value;
}
/// <param name="requestingType">Type of the class for which to create the field</param>
/// <param name="fieldType">FieldType of the field to construct</param>
/// <param name="scope">FieldType of the field to construct</param>
/// <returns>a new Field of the given fieldType, with the scope of it's value being restricted to the Type scope</returns>
public Field CreateField(Type requestingType, FieldType fieldType, object preferredDefaultValue)
{
string requestingTypeName = requestingType.Name;
string requestedField = requestingTypeName + "." + fieldType.Name;
object fieldValue = preferredDefaultValue;
// Check if the configuration exists
if (LastUsedFieldValues == null)
{
LastUsedFieldValues = new Dictionary<string, object>();
}
// Check if settings for the requesting type exist, if not create!
if (LastUsedFieldValues.ContainsKey(requestedField))
{
// Check if a value is set (not null)!
if (LastUsedFieldValues[requestedField] != null)
{
fieldValue = LastUsedFieldValues[requestedField];
}
else
{
// Overwrite null value
LastUsedFieldValues[requestedField] = fieldValue;
}
}
else
{
LastUsedFieldValues.Add(requestedField, fieldValue);
}
Field returnField = new Field(fieldType, requestingType);
returnField.Value = fieldValue;
return returnField;
}
public void UpdateLastFieldValue(Field field)
{
string requestedField = field.Scope + "." + field.FieldType.Name;
// Check if the configuration exists
if (LastUsedFieldValues == null)
{
LastUsedFieldValues = new Dictionary<string, object>();
}
// check if settings for the requesting type exist, if not create!
if (LastUsedFieldValues.ContainsKey(requestedField))
{
LastUsedFieldValues[requestedField] = field.myValue;
}
else
{
LastUsedFieldValues.Add(requestedField, field.myValue);
}
}
public void RemoveField(Field field)
{
fields.Remove(field);
fieldsByType.Remove(field.FieldType);
field.PropertyChanged -= delegate
{
if (fieldChanged != null)
{
fieldChanged(this, new FieldChangedEventArgs(field));
}
};
}
public override void AddField(Field field)
{
base.AddField(field);
field.PropertyChanged += new PropertyChangedEventHandler(OwnPropertyChanged);
}
/// <summary>
/// Creates a flat clone of this Field. The fields value itself is not cloned.
/// </summary>
/// <returns></returns>
public Field Clone()
{
Field ret = new Field(FieldType, Scope);
ret.Value = Value;
return ret;
}
public FieldChangedEventArgs(Field field)
{
Field = field;
}
