/// <summary>
/// Convert
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var str = value as string;
if (string.IsNullOrWhiteSpace(str))
{
return(null);
}
var xfSource = imageSourceConverter.ConvertFromInvariantString(str) as ImageSource;
//TODO Parse width / height eg. image.svg@SVG=0x200 where 200 is width
return(new SvgImageSource(xfSource, 0, 0, true));
}
/// <summary>
/// class constructor
/// </summary>
public DocumentViewModel()
{
IsDirty = false;
//Set the icon only for open documents (just a test)
IconSource = ISC.ConvertFromInvariantString(@"pack://application:,,/Demos/Images/document.png") as ImageSource;
}
public DocumentPaneViewModel(string filePath, int count)
: base()
{
this.Title = new ReactiveProperty <string>();
var textFile = FileManager.LoadTextFile(filePath);
this.FilePath = new ReactiveProperty <string>(textFile.FilePath);
this.Text = new ReactiveProperty <string>(textFile.Text ?? string.Empty);
this.Encoding = new ReactiveProperty <Encoding>(textFile.Encoding);
this.IsModified = new ReactiveProperty <bool>(false);
this.FileName = this.FilePath
.Select(p => (p == null)
? this.DefaultFileName + ((count >= 0) ? " " + count : string.Empty) + ".txt"
: Path.GetFileName(p))
.ToReactiveProperty();
this.Text.Pairwise()
.Subscribe(x => this.IsModified.Value = true);
this.IsModified.Subscribe(m => this.Title.Value = this.FileName.Value + (m ? " *" : ""));
this.IconSource.Value = imageSourceConverter.ConvertFromInvariantString(documentIcon) as ImageSource;
this.SaveCommand = this.IsModified.ToReactiveCommand();
this.SaveCommand.Subscribe(_ => App.MainViewModel.Save(this, false));
this.SaveAsCommand = new ReactiveCommand();
this.SaveAsCommand.Subscribe(_ => App.MainViewModel.Save(this, true));
this.CloseCommand = new ReactiveCommand();
this.CloseCommand.Subscribe(_ => App.MainViewModel.Close(this));
}
public FileViewModel(string filePath)
{
FilePath = filePath;
Title = FileName;
//Set the icon only for open documents (just a test)
IconSource = ISC.ConvertFromInvariantString(@"pack://application:,,/Images/document.png") as ImageSource;
}
/// <summary>
/// Converts image source (string) to ImageSource class instance.
/// </summary>
/// <param name="source">Image path as string.</param>
/// <returns>ImageSoruce class instance created from specified string.</returns>
private ImageSource SourceToImageSource(string source)
{
return(source == null
? null :
(ImageSource)_converter.ConvertFromInvariantString(source));
}
public override object ConvertFrom(object o)
{
return(_converter.ConvertFromInvariantString(o as string));
}
public FileViewModel(string filePath)
{
FilePath = filePath;
Title = FileName;
IconSource = ISC.ConvertFromInvariantString(@"pack://application:,,/Images/document.png") as ImageSource;
}
/// <summary>
///
/// </summary>
public DocumentVM()
{
IsDirty = false;
Title = FileName;
Icon = ISC.ConvertFromInvariantString(@"pack://application:,,/Images/document.png") as ImageSource;
}