/// <summary>
/// Remove all pages with PageKind == PageKind.Proxy.
/// </summary>
private void ClearProxies()
{
//clear proxies
var deletePageData = PagesData.Where(x => x.Kind == PageKind.Proxy);
var deleteObjects = deletePageData.Select(x => x.NavData);
_context.Send((s) =>
{
TopItemSource.RemoveAll(x => deleteObjects.Contains(x));
}, null);
PagesData.RemoveAll(x => x.Kind == PageKind.Proxy);
}
private void OnProxiesCollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
{
foreach (var el in e.NewItems)
{
if (el is IChannelProxy proxy)
{
//recievePage
RecieveChannelPage recievePage = null;
_context.Send((s) =>
{
recievePage = new RecieveChannelPage();
recievePage.DataContext = new RecieveChannelPageVM(proxy);
}, null);
ContentPageData recievePageData = new ContentPageData(new NavMenuItemData()
{
IsDropdownItem = false, IsSelected = false
},
"#NavMenuRecieveProxyPage",
"RecievedProxyPageIcon",
PageKind.Proxy,
recievePage,
ChangePage);
PagesData.Add(recievePageData);
//monitorPage
MonitorChannelPage monitorPage = null;
_context.Send((s) =>
{
monitorPage = new MonitorChannelPage();
monitorPage.DataContext = new MonitorChannelPageVM(proxy);
}, null);
ContentPageData monitorPageData = new ContentPageData(new NavMenuItemData()
{
IsDropdownItem = false, IsSelected = false
},
"#NavMenuMonitorProxyPage",
"MonitorProxyPageIcon",
PageKind.Proxy,
monitorPage,
ChangePage);
PagesData.Add(monitorPageData);
ContentPageDataForProxy channelViewData = new ContentPageDataForProxy(new NavMenuItemData()
{
IsDropdownItem = true, IsSelected = false
},
"NavMenuProxyIcon",
proxy,
PageKind.Proxy);
channelViewData.NavData.AddDropdownItem(recievePageData.NavData);
channelViewData.NavData.AddDropdownItem(monitorPageData.NavData);
PagesData.Add(channelViewData);
_context.Post((s) =>
{
int insertIndex = PagesData.Where(x => x.Kind == PageKind.Channel || x.Kind == PageKind.Proxy).Max(x => TopItemSource.IndexOf(x.NavData));
if (insertIndex < 0)
{
insertIndex = 0;
}
else
{
insertIndex++;
}
TopItemSource.Insert(insertIndex, channelViewData.NavData);
}, null);
}
}
}
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Reset)
{
ClearProxies();
}
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove)
{
var objectsToRemove = PagesData.Where(x => IsContentPageDataContainsProxies(x, e.OldItems)).Select(x => x.NavData);
_context.Send((s) =>
{
TopItemSource.RemoveAll(x => objectsToRemove.Contains(x));
}, null);
if (e.OldItems != null)
{
foreach (var el in e.OldItems)
{
if (el is IChannelProxy proxy)
{
proxy.Dispose();
}
}
}
}
}
private void OnDevicePropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e != null && e.PropertyName != "Device")
{
return;
}
ClearChannels();
if (Settings.Instance.Device == null)
{
return;
}
Settings.Instance.Device.IsConnectedChanged += (object s, EventArgs args) =>
{
if (s == Settings.Instance.Device)
{
if (Settings.Instance.Device.IsConnected)
{
OnDevicePropertyChanged(null, null);
}
else
{
ClearChannels();
}
}
};
if (!Settings.Instance.Device.IsConnected)
{
return;
}
//create views
foreach (var el in Settings.Instance.Device.Channels.Reverse())
{
//recievePage
var recievePage = new RecieveChannelPage();
recievePage.DataContext = new RecieveChannelPageVM(el);
ContentPageData recievePageData = new ContentPageData(new NavMenuItemData()
{
IsDropdownItem = false, IsSelected = false
},
"#NavMenuRecieveChannelPage",
"RecievedChannelPageIcon",
PageKind.Channel,
recievePage,
ChangePage);
PagesData.Add(recievePageData);
//monitorPage
var monitorPage = new MonitorChannelPage();
monitorPage.DataContext = new MonitorChannelPageVM(el);
ContentPageData monitorPageData = new ContentPageData(new NavMenuItemData()
{
IsDropdownItem = false, IsSelected = false
},
"#NavMenuMonitorChannelPage",
"MonitorChannelPageIcon",
PageKind.Channel,
monitorPage,
ChangePage);
PagesData.Add(monitorPageData);
ContentPageData channelViewData = new ContentPageData(new NavMenuItemData()
{
IsDropdownItem = true, IsSelected = false
},
"#" + el.ToString() + "NavMenu",
el.ToString() + "Icon",
PageKind.Channel);
channelViewData.NavData.AddDropdownItem(recievePageData.NavData);
channelViewData.NavData.AddDropdownItem(monitorPageData.NavData);
PagesData.Add(channelViewData);
_context.Post((s) =>
{
int insertIndex = PagesData.Where(x => x.Kind == PageKind.Channel).Max(x => TopItemSource.IndexOf(x.NavData));
if (insertIndex < 0)
{
insertIndex = 0;
}
TopItemSource.Insert(insertIndex, channelViewData.NavData);
}, null);
}
}