public void SerializeControls(HeliosVisualCollection controls, XmlWriter xmlWriter)
{
xmlWriter.WriteStartElement("Children");
foreach (HeliosVisual control in controls)
{
SerializeControl(control, xmlWriter);
}
xmlWriter.WriteEndElement(); // Controls
}
public IEnumerable <string> DeserializeControls(HeliosVisualCollection controls, XmlReader xmlReader)
{
if (!xmlReader.IsEmptyElement)
{
xmlReader.ReadStartElement("Children");
while (xmlReader.NodeType != XmlNodeType.EndElement)
{
foreach (string progress in DeserializeControl(controls, xmlReader))
{
yield return(progress);
}
}
xmlReader.ReadEndElement();
}
else
{
xmlReader.Read();
}
}
public IEnumerable <string> DeserializeControl(HeliosVisualCollection controls, XmlReader xmlReader)
{
TypeConverter boolConverter = TypeDescriptor.GetConverter(typeof(bool));
HeliosVisual control = (HeliosVisual)CreateNewObject("Visual", xmlReader.GetAttribute("TypeIdentifier"));
if (control != null)
{
string name = xmlReader.GetAttribute("Name");
if (xmlReader.GetAttribute("SnapTarget") != null)
{
control.IsSnapTarget = (bool)boolConverter.ConvertFromInvariantString(xmlReader.GetAttribute("SnapTarget"));
}
if (xmlReader.GetAttribute("Locked") != null)
{
control.IsLocked = (bool)boolConverter.ConvertFromInvariantString(xmlReader.GetAttribute("Locked"));
}
if (xmlReader.IsEmptyElement)
{
xmlReader.Read();
}
else
{
xmlReader.ReadStartElement("Control");
control.ReadXml(xmlReader);
foreach (string progress in DeserializeControls(control.Children, xmlReader))
{
yield return(progress);
}
;
xmlReader.ReadEndElement();
}
control.Name = name;
controls.Add(control);
yield return($"loaded {control.TypeIdentifier}");
}
else
{
xmlReader.Skip();
yield return("failed to load a control");
}
}
public void DeserializeControls(HeliosVisualCollection controls, XmlReader xmlReader)
{
if (!xmlReader.IsEmptyElement)
{
xmlReader.ReadStartElement("Children");
while (xmlReader.NodeType != XmlNodeType.EndElement)
{
HeliosVisual control = DeserializeControl(xmlReader);
if (control != null)
{
controls.Add(control);
}
}
xmlReader.ReadEndElement();
}
else
{
xmlReader.Read();
}
}
/// <summary>
/// Base constructor for a HeliosVisual.
/// </summary>
/// <param name="name">Default name for this object.</param>
/// <param name="nativeSize">Native size that this control renderes at.</param>
protected HeliosVisual(string name, Size nativeSize)
: base(name)
{
_rectangle = new Rect(nativeSize);
_nativeSize = nativeSize;
UpdateRectangle();
_children = new HeliosVisualCollection();
HeliosAction toggleVisibleAction = new HeliosAction(this, "", "hidden", "toggle", "Toggles whether this control is displayed on screen.");
toggleVisibleAction.Execute += new HeliosActionHandler(ToggleVisibleAction_Execute);
Actions.Add(toggleVisibleAction);
_hiddenValue = new HeliosValue(this, new BindingValue(false), "", "hidden", "Indicates if this control is hidden and off screen.", "True if this panel is not displayed.", BindingValueUnits.Boolean);
_hiddenValue.Execute += new HeliosActionHandler(SetHiddenAction_Execute);
Values.Add(_hiddenValue);
Actions.Add(_hiddenValue);
Children.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(Children_CollectionChanged);
}
