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Add StaticData fallback for Explore feed

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- Issue MatterHackers/MCCentral#3009
MatterControl should fall back to stale content on offline Explore feed
This commit is contained in:
John Lewin 2018-04-08 09:45:47 -07:00
parent 099b5f5b7f
commit b7f3cacc14
2 changed files with 1427 additions and 28 deletions
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71
PartPreviewWindow/PlusTab/ExplorePanel.cs
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@ -29,8 +29,11 @@ either expressed or implied, of the FreeBSD Project.
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using MatterHackers.Agg;
using MatterHackers.Agg.Image;
using MatterHackers.Agg.Platform;
@ -218,44 +221,56 @@ namespace MatterHackers.MatterControl.PartPreviewWindow.PlusTab
});
};
toolBarA.AddChild(redeemShareCode);
}
WebClient client = new WebClient();
client.DownloadDataCompleted += (s, e) =>
{
try // if we get a bad result we can get a target invocation exception. In that case just don't show anything
{
// scale the loaded image to the size of the target image
byte[] raw = e.Result;
Stream stream = new MemoryStream(raw);
var jsonContent = new StreamReader(stream).ReadToEnd();
var content = JsonConvert.DeserializeObject<ExplorerFeed>(jsonContent);
// add a bunch of content
AddControlsForContent(content);
UiThread.RunOnIdle(() =>
{
// Force layout to change to get it working
var oldMargin = this.Margin;
this.Margin = new BorderDouble(20);
this.Margin = oldMargin;
});
}
catch
{
}
};
public async override void OnLoad(EventArgs args)
{
base.OnLoad(args);
try
{
var url = "http://www.matterhackers.com/feeds/explore?sk=2lhddgi3q67xoqa53pchpeddl6w1uf";
client.DownloadDataAsync(new Uri(url));
var explorerFeed = await LoadExploreFeed();
UiThread.RunOnIdle(() =>
{
// Add controls for content
AddControlsForContent(explorerFeed);
// Force layout to change to get it working
var oldMargin = this.Margin;
this.Margin = new BorderDouble(20);
this.Margin = oldMargin;
});
}
catch
{
}
}
public async Task<ExplorerFeed> LoadExploreFeed()
{
return await ApplicationController.LoadCacheableAsync<ExplorerFeed>(
"explore-feed.json",
"MatterHackers",
async () =>
{
try
{
var client = new HttpClient();
string json = await client.GetStringAsync("http://www.matterhackers.com/feeds/explore?sk=2lhddgi3q67xoqa53pchpeddl6w1uf");
return JsonConvert.DeserializeObject<ExplorerFeed>(json);
}
catch(Exception ex)
{
Trace.WriteLine("Error collecting or loading feed: " + ex.Message);
}
return null;
},
Path.Combine("OEMSettings", "ExploreFeed.json"));
}
public override void OnMouseWheel(MouseEventArgs mouseEvent)
{
int direction = (mouseEvent.WheelDelta > 0) ? -1 : 1;