private void OnTagValueChanged(MpeTag tag)
{
if (TagChanged != null)
{
TagChanged(tag);
}
}
public void Enable(string tagName)
{
MpeTag t = this[tagName];
if (t != null)
{
t.ReadOnly = false;
}
}
public void Disable(string tagName)
{
MpeTag t = this[tagName];
if (t != null)
{
t.ReadOnly = true;
}
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value,
Type destinationType)
{
if (destinationType == typeof(String) && value is MpeTag)
{
MpeTag tag = (MpeTag)value;
return(tag.Value);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public void Remove(string tagName)
{
MpeTag tag = this[tagName];
if (tag != null)
{
hashtable.Remove(tagName);
tag.NameChanged -= new MpeTag.NameChangedHandler(OnTagNameChanged);
tag.ValueChanged -= new MpeTag.ValueChangedHandler(OnTagValueChanged);
if (TagRemoved != null)
{
TagRemoved(tag);
}
}
}
public void Add(MpeTag tag)
{
hashtable.Remove(tag.Name);
hashtable.Add(tag.Name, tag);
if (this["-"] == null)
{
Add("-", "-", false);
}
tag.NameChanged += new MpeTag.NameChangedHandler(OnTagNameChanged);
tag.ValueChanged += new MpeTag.ValueChangedHandler(OnTagValueChanged);
if (TagAdded != null)
{
TagAdded(tag);
}
}
public PropertyDescriptorCollection GetProperties()
{
// Create a new collection object PropertyDescriptorCollection
PropertyDescriptorCollection pds = new PropertyDescriptorCollection(null);
string[] keys = Keys;
for (int i = 0; i < keys.Length; i++)
{
pds.Add(new MpeTagDescriptor(this[keys[i]]));
}
MpeTag tag = this["-"];
if (tag != null)
{
pds.Add(new MpeTagDescriptor(tag));
}
return(pds);
}
public MpeTag(MpeTag tag)
{
readOnly = tag.readOnly;
tagName = tag.tagName;
tagValue = tag.tagValue;
}
public MpeTagDescriptor(MpeTag tag) : base("MpeTagDescriptor", null)
{
this.tag = tag;
}
private void OnTagValueChanged(MpeTag tag)
{
if (TagChanged != null)
{
TagChanged(tag);
}
}
public void Add(MpeTag tag)
{
hashtable.Remove(tag.Name);
hashtable.Add(tag.Name, tag);
if (this["-"] == null)
{
Add("-", "-", false);
}
tag.NameChanged += new MpeTag.NameChangedHandler(OnTagNameChanged);
tag.ValueChanged += new MpeTag.ValueChangedHandler(OnTagValueChanged);
if (TagAdded != null)
{
TagAdded(tag);
}
}
public MpeTag(MpeTag tag)
{
readOnly = tag.readOnly;
tagName = tag.tagName;
tagValue = tag.tagValue;
}
public MpeTagDescriptor(MpeTag tag) : base("MpeTagDescriptor", null)
{
this.tag = tag;
}
protected virtual void OnTagCollectionChanged(MpeTag tag)
{
Modified = true;
}
protected virtual void OnTagCollectionChanged(MpeTag tag)
{
Modified = true;
}
