/// <summary>
/// Creates a widget by parsing the xml node, extracting
/// widget information and then using it to create the widget
/// object.
/// </summary>
/// <param name="node">Node that contains widget info</param>
/// <returns>widget, null if error</returns>
private Widget createWidget(XmlNode node)
{
String widgetClass = XmlUtils.GetXMLAttrString(node, "class");
String widgetName = XmlUtils.GetXMLAttrString(node, "name");
if (String.IsNullOrEmpty(widgetName) || String.IsNullOrEmpty(widgetClass))
{
return(null);
}
// look in the form for the .NET control for this widget
Control control = findControl(_rootControl, widgetName);
Widget widget = null;
try
{
Type widgetType = WidgetManager.GetWidgetType(widgetClass);
if (widgetType != null)
{
widget = (control != null) ?
CreateWidget(widgetType, control) :
CreateWidget(widgetType, widgetName);
if (widget != null)
{
widget.LayoutXmlNode = node;
widget.Load(node);
}
}
}
catch (Exception e)
{
Log.Debug("Error creating widget " + widgetName, e);
widget = null;
}
return(widget);
}
/// <summary>
/// Create the widget manager. Load all the widgets
/// from the config file
/// </summary>
/// <param name="configFileName">name of the animation file</param>
/// <returns></returns>
private bool initWidgetManager(String configFileName)
{
_widgetManager = new WidgetManager(ScannerForm);
_widgetManager.Layout.SetColorScheme(ColorSchemes.ScannerSchemeName);
_widgetManager.Layout.SetDisabledButtonColorScheme(ColorSchemes.DisabledScannerButtonSchemeName);
bool retVal = _widgetManager.Initialize(configFileName);
if (!retVal)
{
Log.Error("Unable to initialize widget manager");
}
else
{
_rootWidget = _widgetManager.RootWidget;
if (String.IsNullOrEmpty(_rootWidget.SubClass))
{
_rootWidget.SubClass = (ScannerForm is ContextualMenuBase) ?
PanelClasses.PanelCategory.ContextualMenu.ToString() :
PanelClasses.PanelCategory.Scanner.ToString();
}
}
return retVal;
}
/// <summary>
/// Initializes the widget manager. Load the widget layout,
/// set the color scheme and get the root widget object
/// </summary>
private bool initWidgetManager()
{
_widgetManager = new WidgetManager(_form);
_widgetManager.Layout.SetColorScheme(ColorSchemes.DialogSchemeName);
bool retVal = _widgetManager.Initialize(getConfigFile());
if (!retVal)
{
Log.Error("Unable to initialize widget manager");
}
else
{
_rootWidget = _widgetManager.RootWidget;
if (String.IsNullOrEmpty(_rootWidget.SubClass))
{
_rootWidget.SubClass = PanelClasses.PanelCategory.Dialog.ToString();
}
}
return retVal;
}
/// <summary>
/// Initialize the widget manager
/// </summary>
private bool initWidgetManager()
{
_widgetManager = new WidgetManager(this);
var configFile = PanelConfigMap.GetConfigFileForScreen(this.GetType());
var retVal = _widgetManager.Initialize(configFile);
if (!retVal)
{
Log.Error("Unable to initialize widget manager");
}
else
{
_rootWidget = _widgetManager.RootWidget;
}
return retVal;
}
