/// <summary>
/// Request to close a document. The document will be closed
/// (if possible) before returning.
/// </summary>
/// <param name="document">The document to close</param>
/// <returns>True if the document was closed</returns>
public async Task <bool> RequestCloseDocument(IDocument document)
{
var canClose = await document.RequestClose();
var msg = new DocumentCloseMessage(document);
await Oy.Publish("Document:RequestClose", msg);
if (msg.Cancelled)
{
canClose = false;
}
if (canClose)
{
ForceCloseDocument(document);
}
return(canClose);
}
/// <summary>
/// A request to close a document has been made, prompt the user to save changes
/// or cancel the request.
/// </summary>
private async Task DocumentRequestClose(DocumentCloseMessage msg)
{
var doc = msg.Document;
if (doc.HasUnsavedChanges)
{
var r = MessageBox.Show(this, String.Format(SaveChangesToFile, doc.Name), UnsavedChanges, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (r == DialogResult.Cancel)
{
msg.Cancel();
return;
}
if (r == DialogResult.Yes)
{
if (!await SaveDocument(doc))
{
msg.Cancel();
}
}
}
}
