void ArrangeChildRows(ArrangeInfo p_info, TvItem p_item)
{
if (p_item.Children.Count == 0)
{
return;
}
if (p_item.IsExpanded)
{
foreach (var item in p_item.Children)
{
var elem = (UIElement)Children[p_info.Index];
elem.Arrange(new Rect(0, p_info.Top, p_info.FinalSize.Width, elem.DesiredSize.Height));
p_info.Top += elem.DesiredSize.Height;
p_info.Index++;
ArrangeChildRows(p_info, item);
}
}
else
{
foreach (var item in p_item.Children)
{
var elem = (UIElement)Children[p_info.Index];
elem.Arrange(_rcEmpty);
p_info.Index++;
ArrangeChildRows(p_info, item);
}
}
}
public MainContentResponse(TvItem item)
{
id = item.ID;
groupID = (int)Location.Kosice;
timeInserted = item.TimeInserted.ToString("yyyy-MM-dd hh:mm:ss.FFF", CultureInfo.InvariantCulture);
expired = DateTime.Compare(DateTime.Now, item.EndTime) > 0;
published = true;
editEnabled = false;
author = item.Author;
headline = item.Title;
duration = item.Duration;
startDate = item.StartTime.ToString("yyyy-MM-dd hh:mm:ss.FFF", CultureInfo.InvariantCulture);
endDate = item.EndTime.ToString("yyyy-MM-dd hh:mm:ss.FFF", CultureInfo.InvariantCulture);
important = true;
formattedStart = item.StartTime.Ticks;
formattedEnd = item.EndTime.Ticks;
locations = new List <McLocation>();
foreach (TvItemLocation itemLocation in item.Locations)
{
locations.Add(new McLocation(itemLocation));
}
fileInfoList = new List <McFileInfo>();
foreach (TvItemFile itemFile in item.Files)
{
fileInfoList.Add(new McFileInfo(itemFile, item.Duration));
}
}
void MeasureChildRows(MeasureInfo p_info, TvItem p_item)
{
if (p_item.Children.Count == 0)
{
return;
}
if (p_item.IsExpanded)
{
foreach (var item in p_item.Children)
{
var elem = (UIElement)Children[p_info.Index];
elem.Measure(p_info.Size);
p_info.TotalHeight += elem.DesiredSize.Height;
p_info.Index++;
MeasureChildRows(p_info, item);
}
}
else
{
foreach (var item in p_item.Children)
{
var elem = (UIElement)Children[p_info.Index];
elem.Measure(_sizeEmpty);
p_info.Index++;
MeasureChildRows(p_info, item);
}
}
}
public Task <bool> SaveVideoFileAsync(TvItem tvItem, IFormFile file)
{
string filename = tvItem.ID + "_" + Guid.NewGuid() + Path.GetExtension(file.FileName);
TvItemFile itemFile = new TvItemFile()
{
FileName = filename,
Length = file.Length,
TvItemId = tvItem.ID
};
using (var fileStream = new FileStream(itemFile.AbsolutePath, FileMode.Create))
{
file.CopyTo(fileStream);
}
if (tvItem.Duration == 0)
{
throw new Exception("Video duration is 0s.");
}
Context.Add(itemFile);
Context.SaveChanges();
return(Task.FromResult(true));
}
/// <summary>
/// 设置对应的视图行
/// </summary>
/// <param name="p_item"></param>
/// <param name="p_isAsync">是否异步设置DataContext</param>
public void SetItem(TvItem p_item, bool p_isAsync)
{
if (_row == p_item)
{
return;
}
// 虚拟行时需要重置
if (_row != null)
{
_row.ValueChanged = null;
}
_row = p_item;
if (_row != null)
{
// 值变化时通过切换DataContext更新
_row.ValueChanged = OnValueChanged;
SetIndent(_row.Depth * _owner.Indent);
}
if (p_isAsync)
{
SetDataContextAsync();
}
else
{
DataContext = _row;
}
}
public Task <bool> UpdateTvItemAsync(TvItem item)
{
Context.Update(item);
Context.SaveChanges();
return(Task.FromResult(true));
}
public TvPanelItem(Tv p_owner, TvItem p_row)
{
_owner = p_owner;
_row = p_row;
_indent = _row.Depth * _owner.Indent;
LoadContent();
DataContext = _row;
}
public async Task <IActionResult> DetailsAnonymous(int id)
{
TvItem item = await _tvItemService.FetchTvItemAsync(id, true);
await _eventService.AddWebServerLogAsync(HttpContext.Connection.RemoteIpAddress.ToString(), WebServerLogType.AnonymousDetails, "", id);
return(View(item));
}
public Task <bool> SaveImageFilesAsync(TvItem item, List <IFormFile> modelFiles)
{
foreach (IFormFile formFile in modelFiles)
{
Image <Rgba32> image = null;
Stream inputStream = formFile.OpenReadStream();
image = Image.Load(inputStream);
double height = image.Height;
double width = image.Width;
double k1 = width / Constants.MAX_IMAGE_WIDTH;
double k2 = height / Constants.MAX_IMAGE_HEIGHT;
if (k1 > k2 && k1 > 1)
{
image.Mutate(x => x.Resize(Constants.MAX_IMAGE_WIDTH, (int)(height / k1)));
}
if (k1 < k2 && k2 > 1)
{
image.Mutate(x => x.Resize((int)(width / k2), Constants.MAX_IMAGE_HEIGHT));
}
string extension = Path.GetExtension(formFile.FileName) ?? "";
string filename = item.ID + "_" + Guid.NewGuid() + extension;
TvItemFile itemFile = new TvItemFile()
{
FileName = filename,
Length = formFile.Length,
TvItemId = item.ID
};
using (var fileStream = new FileStream(itemFile.AbsolutePath, FileMode.Create))
{
if (extension.ToLower().EndsWith("jpg") || extension.ToLower().EndsWith("jpeg"))
{
image.SaveAsJpeg(fileStream);
}
else if (extension.ToLower().EndsWith("png"))
{
image.SaveAsPng(fileStream);
}
else
{
throw new Exception($"Unsupported image file extension [{extension}].");
}
itemFile.Length = fileStream.Length;
Context.Add(itemFile);
}
}
Context.SaveChanges();
return(Task.FromResult(true));
}
public static string GetFormattedDuration(TvItem item)
{
long duration = item.Duration * item.Files.Count;
TimeSpan time = TimeSpan.FromSeconds(duration);
//here backslash is must to tell that colon is
//not the part of format, it just a character that we want in output
return(time.ToString(@"mm\:ss"));
}
public static TextBlock Icon(TvItem p_item)
{
return(new TextBlock
{
Style = Res.LvTextBlock,
FontFamily = Res.IconFont,
TextAlignment = TextAlignment.Center,
Text = (p_item.Children.Count > 0) ? "\uE067" : "\uE002",
});
}
/// <summary>
/// 生成行内容
/// </summary>
/// <param name="p_item"></param>
/// <returns></returns>
TvPanelItem CreateVirRow(TvItem p_item)
{
var row = new TvPanelItem(_owner);
if (p_item != null)
{
row.SetItem(p_item, false);
}
return(row);
}
public TvItemEditViewModel(TvItem item) : this()
{
TvItem = item;
LocationCheckboxes.LocationBanskaBystrica =
item.Locations.Any(x => x.Location == Location.BanskaBystrica);
LocationCheckboxes.LocationKosice =
item.Locations.Any(x => x.Location == Location.Kosice);
LocationCheckboxes.LocationZilina =
item.Locations.Any(x => x.Location == Location.Zilina);
}
public static long GetTotalFileSizeLong(TvItem item)
{
long size = 0;
foreach (TvItemFile itemFile in item.Files)
{
size += itemFile.Deleted ? 0 : itemFile.Length;
}
return(size);
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
TvItem item = (TvItem)value;
if (DateTime.Compare(item.StartTime, item.EndTime) < 0)
{
return(ValidationResult.Success);
}
return(new ValidationResult(base.ErrorMessageString));
}
void AddChildRows(TvItem p_parent)
{
if (p_parent.Children.Count > 0)
{
foreach (var item in p_parent.Children)
{
Children.Add(new TvPanelItem(_owner, item));
AddChildRows(item);
}
}
}
/// <summary>
/// 刷新视图列表
/// </summary>
public void Refresh()
{
var rootData = _data.GetTreeRoot();
if (rootData == null && _owner.FixedRoot == null)
{
_owner.ClearItems();
return;
}
var rootItems = _owner.RootItems;
rootItems.Clear();
if (_owner.FixedRoot != null)
{
// 固定根节点
TvItem fixedItem = new TvItem(_owner, _owner.FixedRoot, null);
foreach (var item in rootData)
{
TvItem ti = new TvItem(_owner, item, fixedItem);
BuildChildren(ti);
fixedItem.Children.Add(ti);
}
// 根节点状态
if (fixedItem.Children.Count > 0 || _owner.IsDynamicLoading)
{
fixedItem.ExpandedState = TvItemExpandedState.NotExpanded;
}
else
{
fixedItem.ExpandedState = TvItemExpandedState.Hide;
}
rootItems.Add(fixedItem);
}
else
{
foreach (var item in rootData)
{
TvItem ti = new TvItem(_owner, item, null);
BuildChildren(ti);
rootItems.Add(ti);
}
}
// 自动展开第一个节点
if (!_owner.IsDynamicLoading && rootItems[0].Children.Count > 0)
{
rootItems[0].IsExpanded = true;
}
_owner.LoadItems();
}
public async Task <IActionResult> Edit([Bind] TvItemEditViewModel model)
{
TvItem item = await _tvItemService.FetchTvItemAsync(model.TvItem.ID);
if (ModelState.IsValid)
{
// update item
item.Title = model.TvItem.Title;
item.StartTime = model.TvItem.StartTime;
item.EndTime = model.TvItem.EndTime;
item.Duration = model.TvItem.Duration;
// update locations
item.Locations = new List <TvItemLocation>();
if (model.LocationCheckboxes.LocationBanskaBystrica)
{
item.Locations.Add(new TvItemLocation()
{
TvItemId = item.ID, Location = Location.BanskaBystrica
});
}
if (model.LocationCheckboxes.LocationKosice)
{
item.Locations.Add(new TvItemLocation()
{
TvItemId = item.ID, Location = Location.Kosice
});
}
if (model.LocationCheckboxes.LocationZilina)
{
item.Locations.Add(new TvItemLocation()
{
TvItemId = item.ID, Location = Location.Zilina
});
}
await _tvItemService.UpdateTvItemAsync(item);
await _eventService.AddWebServerLogAsync(User.Identity.Name, WebServerLogType.ItemUpdate, "", item.ID);
return(RedirectToAction(nameof(Index)));
}
// filter deleted files
model.TvItem.Files = item.Files.Where(f => f.Deleted == false).ToList();
return(View(model));
}
public async Task <IActionResult> DeleteFile(int id)
{
TvItemFile itemFile = await _tvItemService.FetchTvItemFileAsync(id);
TvItem item = await _tvItemService.FetchTvItemAsync(itemFile.TvItemId);
await _tvItemService.DeleteTvItemFileAsync(id);
await _eventService.AddWebServerLogAsync(
User.Identity.Name,
WebServerLogType.ItemDeleteSingleFile,
$"User deleted file[{itemFile.FileName}] for item [{item.GetDetailHyperlink(false)}] with id [{item.ID}].",
item.ID);
return(RedirectToAction(nameof(Edit), new { id = item.ID }));
}
public Task DeleteTvItemFilesAsync(int tvItemId)
{
TvItem tvItem = FetchTvItemAsync(tvItemId).Result;
Console.WriteLine("deleting files: " + String.Join(", ", tvItem.Files.Select(x => x.FileName)));
foreach (TvItemFile file in tvItem.Files)
{
_fileService.DeletePhysicalFileAsync(file.AbsolutePath);
file.Deleted = true;
Context.TvItemFile.Update(file);
}
Context.SaveChanges();
return(Task.CompletedTask);
}
internal static TvItem ToTvItem(this Dto.TvDetail.TvDetailDto tv)
{
var tvItem = new TvItem
{
Id = tv.Id ?? 0,
Overview = tv.Overview,
BackdropPath = tv.BackdropPath,
Title = tv.Name,
PosterPath = tv.PosterPath,
ReleaseDate = tv.FirstAirDate,
VoteAverage = tv.VoteAverage ?? 0,
NumberOfSeasons = tv.NumberOfSeasons ?? 0
};
tv.Genres.ForEach(genre => tvItem.Genres += genre.Name + " ");
return(tvItem);
}
public static string GetFilesList(TvItem item)
{
StringBuilder sb = new StringBuilder();
foreach (TvItemFile itemFile in item.Files)
{
if (itemFile.Deleted)
{
sb.Append(itemFile.FileName + "<br />");
}
else
{
sb.Append("<a href=\"" + itemFile.Url + "\" target=\"_blank\">" + itemFile.FileName + "</a> " + GetFileSize(itemFile) + "<br />");
}
}
return(sb.ToString());
}
/// <summary>
/// 递归加载子节点
/// </summary>
/// <param name="p_parent"></param>
void BuildChildren(TvItem p_parent)
{
foreach (var item in _data.GetTreeItemChildren(p_parent.Data))
{
TvItem ti = new TvItem(_owner, item, p_parent);
BuildChildren(ti);
p_parent.Children.Add(ti);
}
// 节点状态
if (p_parent.Children.Count > 0 || _owner.IsDynamicLoading)
{
p_parent.ExpandedState = TvItemExpandedState.NotExpanded;
}
else
{
p_parent.ExpandedState = TvItemExpandedState.Hide;
}
}
public static string GetStatusFormat(TvItem item)
{
if (DateTime.Compare(DateTime.Now, item.StartTime) < 0)
{
return("<span class=\"time-inactive\">INACTIVE</span><br /> " +
"starts in " + GetRemainingTime(item.StartTime, DateTime.Now) +
"<br />startTime: " + item.StartTime.ToString("dd.MM.yyyy HH:mm") +
"<br />endTime: " + item.EndTime.ToString("dd.MM.yyyy HH:mm"));
}
if (DateTime.Compare(item.StartTime, DateTime.Now) < 0 &&
DateTime.Compare(DateTime.Now, item.EndTime) < 0)
{
return("<span class=\"time-active\">ACTIVE</span><br /> " +
"ends in " + GetRemainingTime(item.StartTime, item.EndTime) +
"<br />startTime: " + item.StartTime.ToString("dd.MM.yyyy HH:mm") +
"<br />endTime: " + item.EndTime.ToString("dd.MM.yyyy HH:mm"));;
}
return("<span class=\"time-expired\">EXPIRED</span>");
}
public Task <bool> ReplaceVideoFileAsync(TvItem tvItem, IFormFile file)
{
string filename = tvItem.ID + "_" + Guid.NewGuid() + Path.GetExtension(file.FileName);
TvItemFile newItemFile = new TvItemFile()
{
FileName = filename,
Length = file.Length
};
using (var fileStream = new FileStream(newItemFile.AbsolutePath, FileMode.Create))
{
file.CopyTo(fileStream);
}
if (tvItem.Duration == 0)
{
throw new Exception("Video duration is 0s.");
}
TvItemFile tvItemFile = tvItem.Files.FirstOrDefault();
if (tvItemFile != null)
{
bool success = DeletePhysicalFileAsync(tvItemFile.FileName).Result;
// if not successful delete, then new zombie file
tvItemFile.FileName = newItemFile.FileName;
tvItemFile.Length = newItemFile.Length;
Context.Update(tvItemFile);
Context.Update(tvItem);
Context.SaveChanges();
return(Task.FromResult(true));
}
else
{
throw new Exception($"TvItem with id {tvItem.ID} does not have any files.");
}
}
public static string GetTotalFileSize(TvItem item)
{
long size = 0;
foreach (TvItemFile itemFile in item.Files)
{
size += itemFile.Deleted ? 0 : itemFile.Length;
}
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
int order = 0;
while (size >= 1024 && order < sizes.Length - 1)
{
order++;
size = size / 1024;
}
// Adjust the format string to your preferences. For example "{0:0.#}{1}" would
// show a single decimal place, and no space.
return(String.Format("{0:0.##} {1}", size, sizes[order]));
}
public static TextBlock RowColor(TvItem p_item)
{
var tb = new TextBlock
{
Style = Res.LvTextBlock,
Text = $" ({p_item.Row.Str("code")})",
};
string code = p_item.Row.Str("code");
if (code.Length < 4)
{
p_item.Foreground = Res.RedBrush;
}
else if (code.Length > 4)
{
p_item.Foreground = Res.GreenBrush;
}
if (p_item.Children.Count > 4)
{
p_item.Background = Res.浅黄背景;
}
return(tb);
}
public TvDetailViewModel(TvItem tvItem)
{
this.Tv = tvItem;
}
/// <summary>
/// 从根节点展开到当前节点，并滚动到可视范围
/// </summary>
/// <param name="p_item"></param>
internal void ScrollIntoItem(TvItem p_item)
{
if (p_item == null)
{
return;
}
p_item.ExpandAll();
UpdateLayout();
var scroll = _owner.Scroll;
if (scroll.ScrollableHeight == 0)
{
return;
}
if (_owner.IsInnerScroll)
{
// 内置滚动栏时
double scrollBottom = scroll.VerticalOffset + scroll.ViewportHeight;
if (_owner.IsVirtualized)
{
double top = _owner.RootItems.GetVerIndex(p_item) * _rowHeight;
if (top < scroll.VerticalOffset)
{
scroll.ChangeView(null, top, null);
}
else if (top + _rowHeight > scrollBottom)
{
scroll.ChangeView(null, scroll.VerticalOffset + (top + _rowHeight - scrollBottom), null);
}
}
else
{
Rect rc = _owner.RootItems.GetExpandedPostion(p_item, this);
if (rc.Top < scroll.VerticalOffset)
{
scroll.ChangeView(null, rc.Top, null);
}
else if (rc.Bottom > scrollBottom)
{
scroll.ChangeView(null, scroll.VerticalOffset + (rc.Bottom - scrollBottom), null);
}
}
}
else
{
// 滚动栏在外部
var pt = TransformToVisual(_owner.Scroll).TransformPoint(new Point());
if (_owner.IsVirtualized)
{
double top = _owner.RootItems.GetVerIndex(p_item) * _rowHeight + pt.Y + scroll.VerticalOffset;
if (top < scroll.VerticalOffset)
{
scroll.ChangeView(null, top, null);
}
else if (top + _rowHeight > scroll.ViewportHeight)
{
scroll.ChangeView(null, top + _rowHeight - scroll.ViewportHeight, null);
}
}
else
{
Rect rc = _owner.RootItems.GetExpandedPostion(p_item, this);
double top = rc.Top + pt.Y + scroll.VerticalOffset;
if (top < scroll.VerticalOffset)
{
scroll.ChangeView(null, top, null);
}
else if (rc.Bottom + pt.Y + scroll.VerticalOffset > scroll.ViewportHeight)
{
scroll.ChangeView(null, scroll.VerticalOffset + rc.Bottom + pt.Y - scroll.ViewportHeight, null);
}
}
}
}
void ArrangeVirRows(Size p_finalSize)
{
double deltaY = 0;
if (!_owner.IsInnerScroll)
{
// 面板与ScrollViewer的相对距离，以滚动栏为参照物，面板在右下方时为正数
#if UWP
if (_owner.Scroll.ActualHeight > 0)
{
// 当切换win时，再次显示Scroll时ActualHeight为0，计算相对位置错误！采用切换前的相对位置
var pt = TransformToVisual(_owner.Scroll).TransformPoint(new Point());
deltaY = pt.Y;
}
#else
// uno中面板与Scroll的相对距离始终为滚动栏未移动时之间的距离！
var pt = TransformToVisual(_owner.Scroll).TransformPoint(new Point());
deltaY = pt.Y - _owner.Scroll.VerticalOffset;
#endif
}
else
{
// 内置滚动栏时，垂直距离始终 <= 0
deltaY = -_owner.Scroll.VerticalOffset;
}
// 无数据时，也要重新布局
if (_owner.RootItems.Count == 0 ||
_rowHeight == 0 ||
deltaY >= _maxSize.Height || // 面板在滚动栏下方外部
deltaY <= -p_finalSize.Height) // 面板在滚动栏上方外部
{
foreach (var elem in Children)
{
((UIElement)elem).Arrange(_rcEmpty);
}
return;
}
IEnumerator <TvItem> tvItems;
bool hasNext = true;
// 面板可见，在滚动栏下方，按正常顺序布局
if (deltaY >= 0 && deltaY < _maxSize.Height)
{
int iDataRow = Children.Count;
tvItems = _owner.RootItems.GetExpandedItems().GetEnumerator();
for (int i = 0; i < Children.Count; i++)
{
var item = (TvPanelItem)Children[i];
double top = i * _rowHeight;
if (hasNext)
{
hasNext = tvItems.MoveNext();
}
// 数据行已结束 或 剩下行不可见，结束布局
if (deltaY + top > _maxSize.Height || !hasNext)
{
iDataRow = i;
break;
}
// 布局虚拟行
item.SetItem(tvItems.Current, true);
item.Arrange(new Rect(0, top, p_finalSize.Width, _rowHeight));
}
tvItems.Dispose();
// 将剩余的虚拟行布局到空区域
if (iDataRow < Children.Count)
{
for (int i = iDataRow; i < Children.Count; i++)
{
((UIElement)Children[i]).Arrange(_rcEmpty);
}
}
return;
}
// deltaY < 0 && deltaY > -p_finalSize.Height
// 面板顶部超出滚动栏 并且 没有整个面板都超出，此时deltaY为负数
// 页面偏移量
double offset = deltaY % _pageHeight;
// 最顶部的数据行索引
int iRow = (int)Math.Floor(-deltaY / _rowHeight);
// 最顶部的虚拟行索引
int iVirRow = iRow % Children.Count;
// 页面顶部偏移
double deltaTop = -deltaY + offset;
// 跳过不显示的节点
tvItems = _owner.RootItems.GetExpandedItems().Skip(iRow).GetEnumerator();
for (int i = 0; i < Children.Count; i++)
{
var item = (TvPanelItem)Children[iVirRow];
if (hasNext)
{
hasNext = tvItems.MoveNext();
}
if (hasNext)
{
// 布局虚拟行
TvItem ti = tvItems.Current;
double top = iVirRow * _rowHeight + deltaTop;
item.SetItem(ti, true);
item.Arrange(new Rect(0, top, p_finalSize.Width, _rowHeight));
}
else
{
// 多余的行布局在外部
item.Arrange(_rcEmpty);
}
iVirRow++;
if (iVirRow >= Children.Count)
{
// 虚拟行放入下页
deltaTop += _pageHeight;
iVirRow = 0;
}
}
tvItems.Dispose();
}
