// Virtual event handlers should be called in addition if overriden.
// Send an update packet
protected virtual void OverlaySettings_VariableUpdated(OverlayVariableBaseModel ov)
{
if (Connection != null && EncryptedStream != null)
{
Dictionary <string, object> updateParams = new Dictionary <string, object>();
updateParams["variableName"] = ov.Name;
updateParams["variableValue"] = ov.StringValue;
try
{
UpdateVariableCommand.Instance.SendCommand(EncryptedStream, updateParams);
} catch (ObjectDisposedException) {
} catch (InvalidOperationException) {
}
}
}
private void OverlayVariable_VariableUpdated(OverlayVariableBaseModel sender)
{
// Call update variables on each overlay
Application.Current.Dispatcher.Invoke(new Action(delegate()
{
foreach (OverlayWindow o in overlayList)
{
((OverlayWindowModel)o.DataContext).UpdateVariables(variableDictionary);
}
})
);
if (VariableUpdated != null)
{
VariableUpdated(sender);
}
}
private void FromXML(FileInfo file)
{
XmlDocument xDoc = new XmlDocument();
xDoc.Load(file.FullName);
XmlNode osNode = xDoc.SelectSingleNode("/OverlaySettings");
if (osNode == null)
{
throw new OverlayLoadingException(OverlayLoadingException.Reason.InvalidXMLFormat);
}
// Process groups
variableGroups.Clear();
XmlNodeList glNode = osNode.SelectNodes("Groups/Group");
if (glNode != null)
{
foreach (XmlNode gNode in glNode)
{
string groupName = gNode.Attributes.GetNamedItem("name").Value;
string groupLabel = gNode.Attributes.GetNamedItem("label").Value;
variableGroups.Add(groupName, new OverlayVariableGroup()
{
GroupName = groupName, GroupLabel = groupLabel
});
}
}
variableGroups.Add("", new OverlayVariableGroup()
{
GroupName = "", GroupLabel = ""
});
// Process variables
variableDictionary.Clear();
XmlNode vlNode = osNode.SelectSingleNode("Variables");
if (vlNode != null)
{
try
{
variableDictionary = OverlayVariableBaseModel.ProcessVariables(vlNode, diskLocation.Directory);
} catch (VariableParseException ex) {
MessageBox.Show(ex.Message);
throw new OverlayLoadingException(OverlayLoadingException.Reason.VariableProcessing);
}
}
// Add VariableUpdated handler to each variable's Updated event
foreach (OverlayVariableBaseModel ov in variableDictionary.Values)
{
ov.VariableUpdated += new VariableUpdatedHandler(OverlayVariable_VariableUpdated);
}
// Let everyone know the overlay controls have changed
RaisePropertyChanged("OverlayControls");
// Process overlays
XmlNodeList oNodes = osNode.SelectNodes("Overlays/Overlay");
if (oNodes != null)
{
foreach (XmlNode oNode in oNodes)
{
OverlayWindow o = new OverlayWindow();
try
{
((OverlayWindowModel)o.DataContext).FromXML(oNode);
} catch (OverlayCreationException ex) {
MessageBox.Show(ex.Message);
throw new OverlayLoadingException(OverlayLoadingException.Reason.OverlayCreation);
}
((OverlayWindowModel)o.DataContext).UpdateVariables(variableDictionary);
overlayList.Add(o);
}
}
}