/// <summary>
/// Returns a content view model for the specified contentID which needs to be displayed as a document
/// The contentID is the ID used in AvalonDock
/// </summary>
/// <param name="contentId">The contentID which needs to be displayed as a document in Wider</param>
/// <returns>The content view model for the given info</returns>
public ContentViewModel GetViewModelFromContentId(String contentId)
{
for (Int32 i = ContentHandlers.Count - 1; i >= 0; i--)
{
IContentHandler opener = ContentHandlers[i];
if (opener.ValidateContentFromId(contentId))
{
ContentViewModel vm = opener.OpenContentFromId(contentId);
vm.Handler = opener;
return(vm);
}
}
return(null);
}
/// <summary>
/// Returns a content view model for the specified object which needs to be displayed as a document
/// The object could be anything - based on the handlers, a content view model is returned
/// </summary>
/// <param name="info">The object which needs to be displayed as a document in Wider</param>
/// <returns>The content view model for the given info</returns>
public ContentViewModel GetViewModel(Object info)
{
for (Int32 i = ContentHandlers.Count - 1; i >= 0; i--)
{
IContentHandler opener = ContentHandlers[i];
if (opener.ValidateContentType(info))
{
ContentViewModel vm = opener.OpenContent(info);
vm.Handler = opener;
return(vm);
}
}
return(null);
}
/// <summary>
/// Opens the contentID
/// </summary>
/// <param name="contentID">The contentID to open</param>
/// <param name="makeActive">if set to <c>true</c> makes the new document as the active document.</param>
/// <returns>A document which was added to the workspace as a content view model</returns>
public ContentViewModel OpenFromID(String contentID, Boolean makeActive = false)
{
//Let the handler figure out which view model to return
ContentViewModel openValue = _handler.GetViewModelFromContentId(contentID);
if (openValue != null)
{
//Check if the document is already open
foreach (ContentViewModel contentViewModel in _workspace.Documents)
{
if (contentViewModel.Model.Location != null)
{
if (contentViewModel.Model.Location.Equals(openValue.Model.Location))
{
_logger.Log($"Document {contentViewModel.Model.Location} already open.",
Category.Info, Priority.Low);
if (makeActive)
{
_workspace.ActiveDocument = contentViewModel;
}
return(contentViewModel);
}
}
}
_logger.Log($"Opening content with {contentID} !!", Category.Info, Priority.Low);
// Publish the event to the Application - subscribers can use this object
_eventAggregator.GetEvent <OpenContentEvent>().Publish(openValue);
_workspace.Documents.Add(openValue);
if (makeActive)
{
_workspace.ActiveDocument = openValue;
}
//Add it to the recent documents opened
_recentSettings.Update(openValue);
return(openValue);
}
_logger.Log($"Unable to find a IContentHandler to open content with ID = {contentID}",
Category.Warn, Priority.High);
return(null);
}
private void NewDocument()
{
if (_workspace == null)
{
_workspace = _container.Resolve <IWorkspace>();
}
if (_availableNewContent.Count == 1)
{
IContentHandler handler = _dictionary[_availableNewContent[0]];
ContentViewModel openValue = handler.NewContent(_availableNewContent[0]);
_workspace.Documents.Add(openValue);
_workspace.ActiveDocument = openValue;
}
else
{
INewFileWindow window = _container.Resolve <INewFileWindow>();
if (window == null)
{
return;
}
Brush backup = _statusBar.Background;
_statusBar.Background = _newBackground;
_statusBar.Text = "Select a new file";
//if (Application.Current.MainWindow is MetroWindow)
//{
// window.Resources = Application.Current.MainWindow.Resources;
// Window win = Application.Current.MainWindow as MetroWindow;
// window.Resources = win.Resources;
// //window.GlowBrush = win.GlowBrush;
// //window.TitleForeground = win.TitleForeground;
//}
window.DataContext = _availableNewContent;
if (window.ShowDialog() == true)
{
NewContentAttribute newContent = window.NewContent;
if (newContent != null)
{
IContentHandler handler = _dictionary[newContent];
ContentViewModel openValue = handler.NewContent(newContent);
_workspace.Documents.Add(openValue);
_workspace.ActiveDocument = openValue;
}
}
_statusBar.Background = backup;
_statusBar.Clear();
}
}
/// <summary>
/// Opens the object - if object is null, show a open file dialog to select a file to open
/// </summary>
/// <param name="location">The optional object to open</param>
/// <returns>A document which was added to the workspace as a content view model</returns>
public ContentViewModel Open(Object location = null)
{
Boolean? result;
ContentViewModel returnValue = null;
if (location == null)
{
_dialog.Filter = "";
String sep = "";
List <FileContentAttribute> attributes =
_handler.ContentHandlers.SelectMany(
handler =>
(FileContentAttribute[])
(handler.GetType()).GetCustomAttributes(typeof(FileContentAttribute), true)).ToList();
attributes.Sort((attribute, contentAttribute) => attribute.Priority - contentAttribute.Priority);
foreach (FileContentAttribute contentAttribute in attributes)
{
_dialog.Filter = String.Format("{0}{1}{2} ({3})|{3}", _dialog.Filter, sep, contentAttribute.Display,
contentAttribute.Extension);
sep = "|";
}
result = _dialog.ShowDialog();
location = _dialog.FileName;
}
else
{
result = true;
}
if (result == true && !String.IsNullOrWhiteSpace(location.ToString()))
{
//Let the handler figure out which view model to return
if (_handler != null)
{
ContentViewModel openValue = _handler.GetViewModel(location);
if (openValue != null)
{
//Check if the document is already open
foreach (ContentViewModel contentViewModel in _workspace.Documents)
{
if (contentViewModel.Model.Location != null)
{
if (contentViewModel.Model.Location.Equals(openValue.Model.Location))
{
_logger.Log(
$"Document {contentViewModel.Model.Location} already open - making it active",
Category.Info, Priority.Low);
_workspace.ActiveDocument = contentViewModel;
return(contentViewModel);
}
}
}
_logger.Log("Opening file" + location + " !!", Category.Info, Priority.Low);
// Publish the event to the Application - subscribers can use this object
_eventAggregator.GetEvent <OpenContentEvent>().Publish(openValue);
//Add it to the actual workspace
_workspace.Documents.Add(openValue);
//Make it the active document
_workspace.ActiveDocument = openValue;
//Add it to the recent documents opened
_recentSettings.Update(openValue);
returnValue = openValue;
}
else
{
_logger.Log("Unable to find a IContentHandler to open " + location, Category.Warn, Priority.High);
}
}
}
else
{
_logger.Log("Canceled out of open file dialog", Category.Info, Priority.Low);
}
return(returnValue);
}
