/// <summary>
/// Generates a local url for the given media field.
/// </summary>
/// <param name="app">The application service</param>
/// <param name="field">The field</param>
/// <returns>The url</returns>
public static string Url(this IApplicationService app, MediaField field)
{
if (field != null && field.Media != null)
{
return(Url(app, field.Media.PublicUrl));
}
return("");
}
private ContentField CreateMediaField(MediaFieldDto mediaFieldDto)
{
var mediaField = new MediaField();
mediaField.Type = nameof(MediaField);
var mediaItemDto = mediaFieldDto.Media.FirstOrDefault();
if (mediaItemDto != null)
{
mediaField.Media = Create(mediaItemDto);
}
return(mediaField);
}
/// <summary>
/// Implements support for data forms. Data Forms are defined in the following XEPs:
///
/// XEP-0004: Data Forms:
/// http://xmpp.org/extensions/xep-0004.html
///
/// XEP-0122: Data Forms Validation:
/// http://xmpp.org/extensions/xep-0122.html
///
/// XEP-0141: Data Forms Layout
/// http://xmpp.org/extensions/xep-0141.html
///
/// XEP-0221: Data Forms Media Element
/// http://xmpp.org/extensions/xep-0221.html
///
/// XEP-0331: Data Forms - Color Field Types
/// http://xmpp.org/extensions/xep-0331.html
///
/// XEP-0336: Data Forms - Dynamic Forms
/// http://xmpp.org/extensions/xep-0336.html
///
/// XEP-0348: Signing Forms:
/// http://xmpp.org/extensions/xep-0348.html
/// </summary>
/// <param name="Client">XMPP Client.</param>
/// <param name="X">Data Form definition.</param>
/// <param name="OnSubmit">Method called when the form is submitted.</param>
/// <param name="OnCancel">Method called when the form is cancelled.</param>
/// <param name="From">From where the form came.</param>
/// <param name="To">To where the form was sent.</param>
public DataForm(XmppClient Client, XmlElement X, DataFormEventHandler OnSubmit, DataFormEventHandler OnCancel, string From, string To)
{
List <string> Instructions = new List <string>();
List <Field> Fields = new List <Field>();
List <Field[]> Records = new List <Field[]>();
List <Page> Pages = null;
this.client = Client;
this.onSubmit = OnSubmit;
this.onCancel = OnCancel;
this.from = From;
this.to = To;
switch (XML.Attribute(X, "type").ToLower())
{
case "cancel":
this.type = FormType.Cancel;
break;
case "form":
this.type = FormType.Form;
break;
case "result":
this.type = FormType.Result;
break;
case "submit":
this.type = FormType.Submit;
break;
default:
this.type = FormType.Undefined;
break;
}
foreach (XmlNode N in X.ChildNodes)
{
switch (N.LocalName)
{
case "instructions":
Instructions.Add(N.InnerText.Trim());
break;
case "title":
this.title = N.InnerText.Trim();
break;
case "field":
Field Field = this.ParseField((XmlElement)N, out Media Media);
Fields.Add(Field);
if (Field.PostBack)
{
this.containsPostBackFields = true;
}
if (!string.IsNullOrEmpty(Field.Var))
{
this.fieldsByVar[Field.Var] = Field;
}
if (Media != null)
{
Field = new MediaField(this, Guid.NewGuid().ToString(), string.Empty, false,
null, null, string.Empty, new StringDataType(), new BasicValidation(), Media, string.Empty, false, true, false);
Fields.Add(Field);
this.fieldsByVar[Field.Var] = Field;
this.hasMedia = true;
}
break;
case "reported":
List <Field> Header = new List <Field>();
foreach (XmlNode N2 in N.ChildNodes)
{
if (N2.LocalName == "field")
{
Field = this.ParseField((XmlElement)N2, out Media);
Header.Add(Field);
}
}
this.header = Header.ToArray();
break;
case "item":
List <Field> Record = new List <Field>();
foreach (XmlNode N2 in N.ChildNodes)
{
if (N2.LocalName == "field")
{
Field = this.ParseField((XmlElement)N2, out Media);
Record.Add(Field);
}
}
Records.Add(Record.ToArray());
break;
case "page":
if (Pages == null)
{
Pages = new List <Page>();
}
Pages.Add(new Page(this, (XmlElement)N));
break;
}
}
this.instructions = Instructions.ToArray();
this.fields = Fields.ToArray();
this.records = Records.ToArray();
if (this.header == null)
{
this.header = new Field[0];
}
if (this.hasPages = (Pages != null))
{
this.pages = Pages.ToArray();
}
else if (this.fields.Length > 0)
{
this.pages = new Page[] { new Page(this, this.title, this.fields) }
}
;
else
{
this.pages = new Page[] { new Page(this, this.title, new ReportedReference(this)) }
};
if (this.hasMedia)
{
Dictionary <string, byte[]> Bob = new Dictionary <string, byte[]>(StringComparer.CurrentCultureIgnoreCase);
foreach (XmlNode N in X.ParentNode.ChildNodes)
{
if (N is XmlElement E && E.LocalName == "data" && E.NamespaceURI == BobClient.Namespace)
{
string Cid = XML.Attribute(E, "cid");
byte[] Bin = Convert.FromBase64String(E.InnerText);
Bob["cid:" + Cid] = Bin;
}
}
foreach (Field F in this.fields)
{
if (F is MediaField MediaField && MediaField.Media != null)
{
foreach (KeyValuePair <string, Uri> Uri in MediaField.Media.URIs)
{
switch (Uri.Value.Scheme.ToLower())
{
case "cid":
if (Bob.TryGetValue(Uri.Value.ToString(), out byte[] Bin))
public T AddMediaField(MediaField mediaField)
{
_mediaFields.Add(mediaField);
return((T)this);
}
private void Layout(Panel Container, MediaField Field, DataForm Form)
{
MediaElement MediaElement;
Uri Uri = null;
Grade Best = Runtime.Inventory.Grade.NotAtAll;
Grade Grade;
bool IsImage = false;
bool IsVideo = false;
bool IsAudio = false;
bool TopMarginLaidOut = this.LayoutControlLabel(Container, Field);
foreach (KeyValuePair <string, Uri> P in Field.Media.URIs)
{
if (P.Key.StartsWith("image/"))
{
IsImage = true;
Uri = P.Value;
break;
}
else if (P.Key.StartsWith("video/"))
{
switch (P.Key.ToLower())
{
case "video/x-ms-asf":
case "video/x-ms-wvx":
case "video/x-ms-wm":
case "video/x-ms-wmx":
Grade = Grade.Perfect;
break;
case "video/mp4":
Grade = Grade.Excellent;
break;
case "video/3gp":
case "video/3gpp ":
case "video/3gpp2 ":
case "video/3gpp-tt":
case "video/h263":
case "video/h263-1998":
case "video/h263-2000":
case "video/h264":
case "video/h264-rcdo":
case "video/h264-svc":
Grade = Grade.Ok;
break;
default:
Grade = Grade.Barely;
break;
}
if (Grade > Best)
{
Best = Grade;
Uri = P.Value;
IsVideo = true;
}
}
else if (P.Key.StartsWith("audio/"))
{
switch (P.Key.ToLower())
{
case "audio/x-ms-wma":
case "audio/x-ms-wax":
case "audio/x-ms-wmv":
Grade = Grade.Perfect;
break;
case "audio/mp4":
case "audio/mpeg":
Grade = Grade.Excellent;
break;
case "audio/amr":
case "audio/amr-wb":
case "audio/amr-wb+":
case "audio/pcma":
case "audio/pcma-wb":
case "audio/pcmu":
case "audio/pcmu-wb":
Grade = Grade.Ok;
break;
default:
Grade = Grade.Barely;
break;
}
if (Grade > Best)
{
Best = Grade;
Uri = P.Value;
IsAudio = true;
}
}
}
if (IsImage)
{
BitmapImage BitmapImage = new System.Windows.Media.Imaging.BitmapImage();
BitmapImage.BeginInit();
try
{
if (Field.Media.Binary != null)
{
BitmapImage.UriSource = new Uri(Waher.Content.Markdown.Model.Multimedia.ImageContent.GetTemporaryFile(Field.Media.Binary));
}
else if (Uri != null)
{
BitmapImage.UriSource = Uri;
}
else if (!string.IsNullOrEmpty(Field.Media.URL))
{
BitmapImage.UriSource = new Uri(Field.Media.URL);
}
}
finally
{
BitmapImage.EndInit();
}
Image Image = new Image()
{
Source = BitmapImage,
ToolTip = Field.Description,
Margin = new Thickness(0, TopMarginLaidOut ? 0 : 5, 0, 5)
};
if (Field.Media.Width.HasValue)
{
Image.Width = Field.Media.Width.Value;
}
if (Field.Media.Height.HasValue)
{
Image.Height = Field.Media.Height.Value;
}
Container.Children.Add(Image);
}
else if (IsVideo || IsAudio)
{
MediaElement = new MediaElement()
{
Source = Uri,
LoadedBehavior = MediaState.Manual,
ToolTip = Field.Description
};
Container.Children.Add(MediaElement);
if (IsVideo)
{
MediaElement.Margin = new Thickness(0, TopMarginLaidOut ? 0 : 5, 0, 5);
if (Field.Media.Width.HasValue)
{
MediaElement.Width = Field.Media.Width.Value;
}
if (Field.Media.Height.HasValue)
{
MediaElement.Height = Field.Media.Height.Value;
}
}
DockPanel ControlPanel = new DockPanel()
{
Width = 290
};
Container.Children.Add(ControlPanel);
Button Button = new Button()
{
Width = 50,
Height = 23,
Margin = new Thickness(0, 0, 5, 0),
Content = "<<",
Tag = MediaElement
};
ControlPanel.Children.Add(Button);
Button.Click += new RoutedEventHandler(Rewind_Click);
Button = new Button()
{
Width = 50,
Height = 23,
Margin = new Thickness(5, 0, 5, 0),
Content = "Play",
Tag = MediaElement
};
ControlPanel.Children.Add(Button);
Button.Click += new RoutedEventHandler(Play_Click);
Button = new Button()
{
Width = 50,
Height = 23,
Margin = new Thickness(5, 0, 5, 0),
Content = "Pause",
Tag = MediaElement
};
ControlPanel.Children.Add(Button);
Button.Click += new RoutedEventHandler(Pause_Click);
Button = new Button()
{
Width = 50,
Height = 23,
Margin = new Thickness(5, 0, 5, 0),
Content = "Stop",
Tag = MediaElement
};
ControlPanel.Children.Add(Button);
Button.Click += new RoutedEventHandler(Stop_Click);
Button = new Button()
{
Width = 50,
Height = 23,
Margin = new Thickness(5, 0, 0, 0),
Content = ">>",
Tag = MediaElement
};
ControlPanel.Children.Add(Button);
Button.Click += new RoutedEventHandler(Forward_Click);
MediaElement.Play();
}
}
/// <summary>
/// Generates an absolute url for the given media field.
/// </summary>
/// <param name="app">The application service</param>
/// <param name="field">The field</param>
/// <returns>The url</returns>
public static string AbsoluteUrl(this IApplicationService app, MediaField field)
{
return($"{ AbsoluteUrlStart(app) }{ Url(app, field) }");
}
/// <summary>
/// Implements support for data forms. Data Forms are defined in the following XEPs:
///
/// XEP-0004: Data Forms:
/// http://xmpp.org/extensions/xep-0004.html
///
/// XEP-0122: Data Forms Validation:
/// http://xmpp.org/extensions/xep-0122.html
///
/// XEP-0141: Data Forms Layout
/// http://xmpp.org/extensions/xep-0141.html
///
/// XEP-0221: Data Forms Media Element
/// http://xmpp.org/extensions/xep-0221.html
///
/// XEP-0331: Data Forms - Color Field Types
/// http://xmpp.org/extensions/xep-0331.html
///
/// XEP-0336: Data Forms - Dynamic Forms
/// http://xmpp.org/extensions/xep-0336.html
///
/// XEP-0348: Signing Forms:
/// http://xmpp.org/extensions/xep-0348.html
/// </summary>
/// <param name="Client">XMPP Client.</param>
/// <param name="X">Data Form definition.</param>
/// <param name="OnSubmit">Method called when the form is submitted.</param>
/// <param name="OnCancel">Method called when the form is cancelled.</param>
/// <param name="From">From where the form came.</param>
/// <param name="To">To where the form was sent.</param>
public DataForm(XmppClient Client, XmlElement X, DataFormEventHandler OnSubmit, DataFormEventHandler OnCancel, string From, string To)
{
List <string> Instructions = new List <string>();
List <Field> Fields = new List <Field>();
List <Field[]> Records = new List <Field[]>();
List <Page> Pages = null;
this.client = Client;
this.onSubmit = OnSubmit;
this.onCancel = OnCancel;
this.from = From;
this.to = To;
switch (XML.Attribute(X, "type").ToLower())
{
case "cancel":
this.type = FormType.Cancel;
break;
case "form":
this.type = FormType.Form;
break;
case "result":
this.type = FormType.Result;
break;
case "submit":
this.type = FormType.Submit;
break;
default:
this.type = FormType.Undefined;
break;
}
foreach (XmlNode N in X.ChildNodes)
{
switch (N.LocalName)
{
case "instructions":
Instructions.Add(N.InnerText.Trim());
break;
case "title":
this.title = N.InnerText.Trim();
break;
case "field":
Field Field = this.ParseField((XmlElement)N, out Media Media);
Fields.Add(Field);
if (Field.PostBack)
{
this.containsPostBackFields = true;
}
if (!string.IsNullOrEmpty(Field.Var))
{
this.fieldsByVar[Field.Var] = Field;
}
if (!(Media is null))
{
Field = new MediaField(this, Guid.NewGuid().ToString(), string.Empty, false,
null, null, string.Empty, new StringDataType(), new BasicValidation(), Media, string.Empty, false, true, false);
Fields.Add(Field);
this.fieldsByVar[Field.Var] = Field;
this.hasMedia = true;
}
break;
case "reported":
List <Field> Header = new List <Field>();
foreach (XmlNode N2 in N.ChildNodes)
{
if (N2.LocalName == "field")
{
Field = this.ParseField((XmlElement)N2, out Media);
Header.Add(Field);
}
}
this.header = Header.ToArray();
break;
case "item":
List <Field> Record = new List <Field>();
foreach (XmlNode N2 in N.ChildNodes)
{
if (N2.LocalName == "field")
{
Field = this.ParseField((XmlElement)N2, out Media);
Record.Add(Field);
}
}
Records.Add(Record.ToArray());
break;
case "page":
if (Pages is null)
{
Pages = new List <Page>();
}
Pages.Add(new Page(this, (XmlElement)N));
break;
}
}
this.instructions = Instructions.ToArray();
this.fields = Fields.ToArray();
this.records = Records.ToArray();
if (this.header is null)
{
this.header = new Field[0];
}
if (this.hasPages = (!(Pages is null)))
{
this.pages = Pages.ToArray();
}
private Field ParseField(XmlElement E)
{
string Label = XML.Attribute(E, "label");
string Type = XML.Attribute(E, "type");
string Var = XML.Attribute(E, "var");
List <string> ValueStrings = null;
List <KeyValuePair <string, string> > OptionStrings = null;
string Description = string.Empty;
string DataTypeName = null;
DataType DataType = null;
ValidationMethod ValidationMethod = null;
Media Media = null;
Field Field;
string Error = null;
bool Required = false;
bool PostBack = false;
bool ReadOnly = false;
bool NotSame = false;
foreach (XmlNode N2 in E.ChildNodes)
{
switch (N2.LocalName)
{
case "desc":
Description = N2.InnerText;
break;
case "required":
Required = true;
break;
case "value":
if (ValueStrings == null)
{
ValueStrings = new List <string>();
}
ValueStrings.Add(N2.InnerText);
break;
case "option":
if (OptionStrings == null)
{
OptionStrings = new List <KeyValuePair <string, string> >();
}
string OptionLabel = XML.Attribute((XmlElement)N2, "label");
string OptionValue = string.Empty;
foreach (XmlNode N3 in N2.ChildNodes)
{
if (N3.LocalName == "value")
{
OptionValue = N3.InnerText;
break;
}
}
OptionStrings.Add(new KeyValuePair <string, string>(OptionLabel, OptionValue));
break;
case "validate":
DataTypeName = XML.Attribute((XmlElement)N2, "datatype");
foreach (XmlNode N3 in N2.ChildNodes)
{
switch (N3.LocalName)
{
case "basic":
ValidationMethod = new BasicValidation();
break;
case "open":
ValidationMethod = new OpenValidation();
break;
case "range":
XmlElement E3 = (XmlElement)N3;
ValidationMethod = new RangeValidation(
XML.Attribute(E3, "min"),
XML.Attribute(E3, "max"));
break;
case "regex":
ValidationMethod = new RegexValidation(N3.InnerText);
break;
case "list-range":
E3 = (XmlElement)N3;
ValidationMethod = new ListRangeValidation(ValidationMethod,
XML.Attribute(E3, "min", 0),
XML.Attribute(E3, "max", int.MaxValue));
break;
}
}
break;
case "media":
Media = new Media((XmlElement)N2);
break;
case "postBack":
PostBack = true;
break;
case "readOnly":
ReadOnly = true;
break;
case "notSame":
NotSame = true;
break;
case "error":
Error = N2.InnerText;
break;
}
}
if (string.IsNullOrEmpty(DataTypeName))
{
if (Type == "boolean")
{
DataTypeName = "xs:boolean";
}
else
{
DataTypeName = "xs:string";
}
}
switch (DataTypeName.ToLower())
{
case "xs:boolean":
DataType = BooleanDataType.Instance;
break;
case "xs:string":
default:
DataType = StringDataType.Instance;
break;
case "anyuri":
DataType = AnyUriDataType.Instance;
break;
case "xs:byte":
DataType = ByteDataType.Instance;
break;
case "xs:date":
DataType = DateDataType.Instance;
break;
case "xs:datetime":
DataType = DateTimeDataType.Instance;
break;
case "xs:decimal":
DataType = DecimalDataType.Instance;
break;
case "xs:double":
DataType = DoubleDataType.Instance;
break;
case "xs:int":
DataType = IntDataType.Instance;
break;
case "xs:integer":
DataType = IntegerDataType.Instance;
break;
case "xs:language":
DataType = LanguageDataType.Instance;
break;
case "xs:long":
DataType = LongDataType.Instance;
break;
case "xs:short":
DataType = ShortDataType.Instance;
break;
case "xs:time":
DataType = TimeDataType.Instance;
break;
case "xdc:Color":
DataType = ColorDataType.Instance;
break;
case "xdc:ColorAlpha":
DataType = ColorAlphaDataType.Instance;
break;
}
if (ValidationMethod == null)
{
ValidationMethod = new BasicValidation();
}
switch (Type)
{
case "boolean":
Field = new BooleanField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "fixed":
Field = new FixedField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "hidden":
Field = new HiddenField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "jid-multi":
Field = new JidMultiField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "jid-single":
Field = new JidSingleField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "list-multi":
Field = new ListMultiField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "list-single":
Field = new ListSingleField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "text-multi":
Field = new TextMultiField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "text-private":
Field = new TextPrivateField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
case "text-single":
Field = new TextSingleField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
break;
default:
if (Media == null)
{
Field = new TextSingleField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Error, PostBack, ReadOnly, NotSame);
}
else
{
Field = new MediaField(this, Var, Label, Required,
ValueStrings?.ToArray(), OptionStrings?.ToArray(),
Description, DataType, ValidationMethod, Media, Error, PostBack, ReadOnly, NotSame);
}
break;
}
return(Field);
}
/// <summary>
/// Projects each product of a sequence into a new form.
/// </summary>
public static IQueryable <MediaItem> Select(this IQueryable <PortalMedia> query, MediaField fields)
{
Expression <Func <PortalMedia, MediaItem> > selector = media => new MediaItem
{
Id = media.Id,
Uri = media.Uri,
Type = media.Type,
Name = media.Name,
ModifiedDate = media.ModifiedDate
};
//if (fields.HasFlag(MediaField.Portal))
//{
// selector = selector.Merge(media => new MediaItem
// {
// Portal = new ResourceItem
// {
// Id = media.Portal.Id,
// Uri = media.Portal.Uri,
// Name = media.Portal.Name
// }
// });
//}
return(query.Select(selector));
}
