protected override bool LocalComputeJavascriptValue(IJavascriptObjectFactory factory)
{
if (JSValue != null)
return false;
JSValue = factory.CreateObject(true);
JSValue.SetValue("CanExecuteValue", factory.CreateBool(_InitialCanExecute));
JSValue.SetValue("CanExecuteCount", factory.CreateInt(_Count));
return true;
}
protected override bool LocalComputeJavascriptValue(IJavascriptObjectFactory factory)
{
if (JSValue != null)
{
return(false);
}
JSValue = factory.CreateObject(true);
JSValue.SetValue("CanExecuteValue", factory.CreateBool(_InitialCanExecute));
JSValue.SetValue("CanExecuteCount", factory.CreateInt(_Count));
return(true);
}
private JSGenericObject MappNested(object ifrom, IJavascriptObject resobject, JSGenericObject gres)
{
if (ifrom == null)
{
return(gres);
}
IEnumerable <PropertyInfo> propertyInfos = ifrom.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo propertyInfo in propertyInfos.Where(p => p.CanRead))
{
string pn = propertyInfo.Name;
object childvalue = null;
try
{
childvalue = propertyInfo.GetValue(ifrom, null);
}
catch (Exception e)
{
Trace.WriteLine(string.Format("MVVM for HTML: Unable to convert property {0} from {1} exception {2}", pn, ifrom, e));
continue;
}
IJSCSGlue childres = InternalMap(childvalue);
_IWebView.Run(() => resobject.SetValue(pn, childres.JSValue));
gres.Attributes[pn] = childres;
}
return(gres);
}
private void MappNested(object from, IJavascriptObject resobject, JsGenericObject gres)
{
if (from == null)
{
return;
}
var propertyInfos = from.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(p => p.CanRead);
foreach (var propertyInfo in propertyInfos)
{
var propertyName = propertyInfo.Name;
object childvalue;
try
{
childvalue = propertyInfo.GetValue(from, null);
}
catch (Exception e)
{
_Logger.Info(() => $"Unable to convert property {propertyName} from {@from} exception {e}");
continue;
}
var childres = UnsafelMap(childvalue);
_Context.WebView.Run(() => resobject.SetValue(propertyName, childres.JSValue));
gres.UpdateCSharpProperty(propertyName, childres);
}
}
public JSCommand(IWebView iCefV8Context, IDispatcher iUIDispatcher, ICommand icValue)
{
_UIDispatcher = iUIDispatcher;
_IWebView = iCefV8Context;
_Command = icValue;
bool canexecute = true;
try
{
canexecute = _Command.CanExecute(null);
}
catch { }
JSValue = _IWebView.Evaluate(() =>
{
IJavascriptObject res = _IWebView.Factory.CreateObject(true);
res.SetValue("CanExecuteValue", _IWebView.Factory.CreateBool(canexecute));
res.SetValue("CanExecuteCount", _IWebView.Factory.CreateInt(_Count));
return(res);
});
}
public void UpdateProperty(IJavascriptObject father, string propertyName, IJavascriptObject value)
{
_WebView.RunAsync(() =>
{
var silenter = GetOrCreateSilenter(father);
if (silenter.IsUndefined)
{
_Logger.Info(() => $"UpdateProperty called during an injection process. Property updated {propertyName}");
//may happen if code being call between register and inject
//in this case just set attribute value. The value will be register after
father.SetValue(propertyName, value);
return;
}
var forProperty = silenter.GetValue(propertyName);
forProperty.Invoke("silence", _WebView, value);
InjectUnsafe(value);
});
}
public void UpdateProperty(IJavascriptObject father, string propertyName, IJavascriptObject value)
{
_WebView.RunAsync(() =>
{
var silenter = GetOrCreateSilenter(father);
if (silenter.IsUndefined)
{
_Logger.Info(()=> $"UpdateProperty called during an injection process. Property updated {propertyName}");
//may happen if code being call between register and inject
//in this case just set attribute value. The value will be register after
father.SetValue(propertyName, value);
return;
}
var forProperty = silenter.GetValue(propertyName);
forProperty.Invoke("silence", _WebView, value);
InjectUnsafe(value);
});
}
public void SetAttribute(IJavascriptObject father, string attibutename, IJavascriptObject value)
{
_WebView.Run(() => father.SetValue(attibutename, value));
}
private JSGenericObject MappNested(object ifrom, IJavascriptObject resobject, JSGenericObject gres)
{
if (ifrom == null)
return gres;
IEnumerable<PropertyInfo> propertyInfos = ifrom.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo propertyInfo in propertyInfos.Where(p => p.CanRead))
{
string pn = propertyInfo.Name;
object childvalue = null;
try
{
childvalue = propertyInfo.GetValue(ifrom, null);
}
catch(Exception e)
{
Trace.WriteLine(string.Format("MVVM for HTML: Unable to convert property {0} from {1} exception {2}", pn, ifrom, e));
continue;
}
IJSCSGlue childres = InternalMap(childvalue);
_IWebView.Run(() => resobject.SetValue(pn, childres.JSValue));
gres.Attributes[pn] = childres;
}
return gres;
}
public Task SetAttributeAsync(IJavascriptObject father, string attributeName, IJavascriptObject value)
{
return(_WebView.RunAsync(() => father.SetValue(attributeName, value)));
}
private void MappNested(object from, IJavascriptObject resobject, JsGenericObject gres)
{
if (from == null)
return;
var propertyInfos = from.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(p => p.CanRead);
foreach (var propertyInfo in propertyInfos)
{
var propertyName = propertyInfo.Name;
object childvalue;
try
{
childvalue = propertyInfo.GetValue(from, null);
}
catch(Exception e)
{
_Logger.Info(()=> $"Unable to convert property {propertyName} from {@from} exception {e}");
continue;
}
var childres = UnsafelMap(childvalue);
_Context.WebView.Run(() => resobject.SetValue(propertyName, childres.JSValue));
gres.UpdateCSharpProperty(propertyName, childres);
}
}
public void SetAttribute(IJavascriptObject father, string attibutename, IJavascriptObject value)
{
_WebView.Run(() => father.SetValue(attibutename, value));
}