private Widget ParseWidget(Sitemap aSitemap, XElement aRoot)
{
var type = aRoot.Element("type").Value;
var label = aRoot.Element("label").Value;
var icon = aRoot.Element("icon").Value;
var widget = new Widget(type, label, icon);
if (widget.Type == Widget.WidgetType.Image)
widget.Url = new Uri(new UriBuilder(aSitemap.Link.Scheme, aSitemap.Link.Host, aSitemap.Link.Port).Uri, aRoot.Element("url").Value);
if (widget.Type == Widget.WidgetType.Chart)
{
widget.Period = aRoot.Element("period").Value;
widget.Refresh = int.Parse(aRoot.Element("refresh").Value);
}
if (widget.Type == Widget.WidgetType.Setpoint)
{
widget.MinValue = double.Parse( aRoot.Element("minValue").Value,System.Globalization.NumberFormatInfo.InvariantInfo);
widget.MaxValue = double.Parse( aRoot.Element("maxValue").Value,System.Globalization.NumberFormatInfo.InvariantInfo);
widget.Step = double.Parse( aRoot.Element("step").Value,System.Globalization.NumberFormatInfo.InvariantInfo);
}
if (widget.Type == Widget.WidgetType.Video)
widget.Url = new Uri(new UriBuilder(aSitemap.Link.Scheme, aSitemap.Link.Host, aSitemap.Link.Port).Uri, aRoot.Element("url").Value);
if (widget.Type == Widget.WidgetType.Webview)
widget.Url = new Uri(new UriBuilder(aSitemap.Link.Scheme, aSitemap.Link.Host, aSitemap.Link.Port).Uri, aRoot.Element("url").Value);
if (widget.Type == Widget.WidgetType.Switch || widget.Type == Widget.WidgetType.Selection)
{
var mappings = aRoot.Elements("mapping");
foreach(var mapping in mappings)
{
var map_command = mapping.Element("command").Value;
var map_label = mapping.Element("label").Value;
widget.Mappings[map_label] = map_command;
}
}
foreach (var child in aRoot.Elements("widget"))
{
widget.mWidgets.Add(ParseWidget(aSitemap, child));
}
var item = aRoot.Element("item");
if (item != null)
{
widget.Item = ParseItem(aSitemap, item);
}
var linkedPage = aRoot.Element("linkedPage");
if (linkedPage != null)
{
widget.LinkedPage = ParsePage(aSitemap, linkedPage);
}
return widget;
}
private bool UpdateWidget(Widget aOldWidget, Dictionary<string, object> aNewWidget)
{
var changed = false;
var type = (Widget.WidgetType)Enum.Parse(typeof(Widget.WidgetType), (string)aNewWidget["type"], true);
var label = (string)aNewWidget["label"];
var icon = (string)aNewWidget["icon"];
Dictionary<string, object> item = null;
object obj = null;
if (aNewWidget.TryGetValue("item", out obj))
item = (Dictionary<string, object>)obj;
List<Dictionary<string, object>> widgets = null;
if (aNewWidget.TryGetValue("widget", out obj))
widgets = obj as List<Dictionary<string, object>>;
if (aOldWidget.Type != type)
{
changed = true;
aOldWidget.Type = type;
}
aOldWidget.Label = label;
aOldWidget.Icon = icon;
if (aOldWidget.Item != null && item != null)
{
if (UpdateItem(aOldWidget.Item, item))
changed = true;
}
else if (aOldWidget.Item != null || item != null)
{
changed = true;
if (aOldWidget.Item != null)
{
aOldWidget.Item = null;
}
else
{
// TODO: find/add item
}
}
if (type == Widget.WidgetType.Video || type == Widget.WidgetType.Webview || type == Widget.WidgetType.Image)
{
var url = (string)aNewWidget["url"];
aOldWidget.Url = new Uri(new UriBuilder(aOldWidget.Url.Scheme, aOldWidget.Url.Host, aOldWidget.Url.Port).Uri, url);
}
if (type == Widget.WidgetType.Chart)
{
aOldWidget.Period = (string)aNewWidget["period"];
aOldWidget.Refresh = int.Parse((string)aNewWidget["refresh"]);
}
if (type == Widget.WidgetType.Setpoint)
{
aOldWidget.MinValue = double.Parse((string)aNewWidget["minValue"], System.Globalization.NumberFormatInfo.InvariantInfo);
aOldWidget.MaxValue = double.Parse((string)aNewWidget["maxValue"], System.Globalization.NumberFormatInfo.InvariantInfo);
aOldWidget.Step = double.Parse((string)aNewWidget["step"], System.Globalization.NumberFormatInfo.InvariantInfo);
}
if (widgets != null)
{
var idx = 0;
for (idx = 0; idx < Math.Min(aOldWidget.mWidgets.Count, widgets.Count); ++idx)
{
if (UpdateWidget(aOldWidget.mWidgets[idx], widgets[idx]))
changed = true;
}
if (idx < aOldWidget.mWidgets.Count)
{
aOldWidget.mWidgets.RemoveRange(idx, aOldWidget.mWidgets.Count - idx);
changed = true;
}
if (idx < widgets.Count)
{
// TODO: add additional widgets
}
}
else if (aOldWidget.mWidgets.Count > 0)
{
// TODO: widgets removed?
}
aOldWidget.FireUpdated();
return changed;
}
private void UpdateWidget(Widget aWidget, XElement aRoot)
{
aWidget.Label = aRoot.Element("label").Value;
aWidget.Icon = aRoot.Element("icon").Value;
if (aWidget.Type == Widget.WidgetType.Image)
aWidget.Url = new Uri(new UriBuilder(aWidget.Url.Scheme, aWidget.Url.Host, aWidget.Url.Port).Uri, aRoot.Element("url").Value);
if (aWidget.Type == Widget.WidgetType.Chart)
{
aWidget.Period = aRoot.Element("period").Value;
aWidget.Refresh = int.Parse(aRoot.Element("refresh").Value);
}
if (aWidget.Type == Widget.WidgetType.Setpoint)
{
aWidget.MinValue = double.Parse(aRoot.Element("minValue").Value, System.Globalization.NumberFormatInfo.InvariantInfo);
aWidget.MaxValue = double.Parse(aRoot.Element("maxValue").Value, System.Globalization.NumberFormatInfo.InvariantInfo);
aWidget.Step = double.Parse(aRoot.Element("step").Value, System.Globalization.NumberFormatInfo.InvariantInfo);
}
if (aWidget.Type == Widget.WidgetType.Video)
aWidget.Url = new Uri(new UriBuilder(aWidget.Url.Scheme, aWidget.Url.Host, aWidget.Url.Port).Uri, aRoot.Element("url").Value);
if (aWidget.Type == Widget.WidgetType.Webview)
aWidget.Url = new Uri(new UriBuilder(aWidget.Url.Scheme, aWidget.Url.Host, aWidget.Url.Port).Uri, aRoot.Element("url").Value);
var item = aRoot.Element("item");
if (item != null)
{
UpdateItem(aWidget.Item, item);
}
var widgets = aRoot.Elements("widget").ToArray();
for (var idx = 0; idx < widgets.Length; ++idx)
UpdateWidget(aWidget.Widgets[idx], widgets[idx]);
}