private void Urls_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
foreach (var i in e.NewItems.Cast<StringWrapper>())
if (!UrlsToAddList.Any( u => u.Value == i.Value))
UrlsToAddList.Add(new UrlResultWrapper() { Value = i.Value });
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove)
foreach (var i in e.OldItems.Cast<StringWrapper>())
foreach (var item in UrlsToAddList.Where(u => u.Value == i.Value).ToArray())
UrlsToAddList.Remove(item);
}
private void UpdateStep(int step, bool action, bool clear = false, byte insideThreadCount = 3)
{
if (clear)
UrlsToAddList.Clear();
#region step 1
if (step == 1 && action)
{
object lockAdd = new Object();
UrlsToAddList.Clear();
#if DEBUG
insideThreadCount = 1;
#else
insideThreadCount = ThreadCount;
#endif
ParseRuleConnectionType type = NewParseRule.Connection;
int minWidth = NewParseRule.MinImageWidth;
int minHeight = NewParseRule.MinImageHeight;
bool collectIMGTags = NewParseRule.CollectIMGTags;
bool collectLINKTags = NewParseRule.CollectLINKTags;
bool collectMETATags = NewParseRule.CollectMETATags;
byte threadCount = this.ThreadCount;
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += (s, e) =>
{
Helpers.PercentageProgress progress = new Helpers.PercentageProgress();
progress.Change += (sP, eP) =>
{
bw.ReportProgress((int)eP.Value);
};
List<UrlResultWrapper> urlResultWrapper = new List<UrlResultWrapper>();
var urls = e.Argument as StringUrlWithResultWrapper[];
if (urls != null)
urls
.Where(item => item != null && !string.IsNullOrWhiteSpace(item.Value) && Helper.IsWellFormedUriString(item.Value, UriKind.Absolute))
.Select(sw =>
new
{
item = sw,
prgItem = progress.GetChild()
})
.ToArray()
.AsParallel()
.WithDegreeOfParallelism(insideThreadCount)
.ForAll(
(sw) =>
{
var item = new UrlResultWrapper() { Value = sw.item.Value };
System.Drawing.Size minSize = new System.Drawing.Size() { Width = minWidth, Height = minHeight };
var result = Helper.GetAllImagesFromUrl(item.Value, minSize, collectIMGTags, collectLINKTags, collectMETATags, threadCount, sw.prgItem, true, type);
foreach (ParseImageResult res in result)
item.ParseResult.Add(res);
if (item.ParseResult.Count > 0)
lock (lockAdd)
{
urlResultWrapper.Add(item);
}
});
e.Result = urlResultWrapper;
};
bw.RunWorkerCompleted += (s, e) =>
{
if (e.Error != null)
throw e.Error;
try
{
List<UrlResultWrapper> urlResultWrapper = e.Result as List<UrlResultWrapper>;
foreach (var item in urlResultWrapper)
{
if (item.ParseResult != null)
foreach (var ps in item.ParseResult)
ps.IsSelected = (item.ParseResult.IndexOf(ps) == 0);
UrlsToAddList.Add(item);
}
}
finally
{
bw.Dispose();
IsBusy = false;
}
};
bw.WorkerReportsProgress = true;
bw.ProgressChanged += (s, e) =>
{
LoadedPercent = e.ProgressPercentage;
};
IsBusy = true;
bw.RunWorkerAsync(Urls.ToArray());
while (bw.IsBusy)
Helper.DoEvents();
bw = null;
}
#endregion
#region step 2
else if (step == 2 && action)
{
HtmlNodeWithUrl[] nodes =
UrlsToAddList
.Where(n => !string.IsNullOrWhiteSpace(n.Value))
.Select(i =>
{
ParseImageResult res = i.ParseResult.Where(i2 => i2.IsSelected).FirstOrDefault();
return
new HtmlNodeWithUrl()
{
Node = res == null ? null : res.Node,
Url = res == null ? new Uri(i.Value, UriKind.RelativeOrAbsolute) : res.Url
};
}
)
.Where(i3 => i3 != null && i3.Node != null)
.ToArray();
ParseRule newRule = Helper.GetRule(nodes, NewParseRule.Label, NewParseRule.MinImageSize, NewParseRule.CollectIMGTags, NewParseRule.CollectLINKTags, NewParseRule.CollectMETATags);
newRule.CopyObject(NewParseRule, new string[] { "Connection" });
ShowRuleModeCommand.Execute(null);
}
#endregion
if (step >= UrlsToAddTabControl.Items.Count)
for (int i = UrlsToAddTabControl.Items.Count - 1; i >= 0; i--)
(UrlsToAddTabControl.Items[i] as TabItem).Visibility = (i == UrlsToAddTabControl.Items.Count - 1) ? System.Windows.Visibility.Visible : System.Windows.Visibility.Collapsed;
else if (step < 0)
for (int i = UrlsToAddTabControl.Items.Count - 1; i >= 0; i--)
(UrlsToAddTabControl.Items[i] as TabItem).Visibility = (i == 0) ? System.Windows.Visibility.Visible : System.Windows.Visibility.Collapsed;
else
{
for (int i = UrlsToAddTabControl.Items.Count - 1; i >= 0; i--)
(UrlsToAddTabControl.Items[i] as TabItem).Visibility = (i == step) ? System.Windows.Visibility.Visible : System.Windows.Visibility.Collapsed;
}
UrlsToAddTabControl.SelectedIndex = UrlsToAddTabControl.Items.IndexOf(UrlsToAddTabControl.Items.Cast<TabItem>().FirstOrDefault(ti => ti.Visibility == System.Windows.Visibility.Visible));
}
