/// <summary>
/// Call this from the Open menu and you are done.
/// </summary>
public static bool DoFileOpen(this IMenuSaveOpenNewCloseExit app)
{
//save existing file
if (!saveExistingFileBeforeNewOrOpen(app))
{
return(false);
}
//open new file
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = FileFormat.MakeFileDialogeString(app.SupportedOpenFormats, false, "");
ofd.CheckFileExists = true;
if (ofd.ShowDialog(app as IWin32Window) == DialogResult.OK)
{
string fileName = ofd.FileName;
try
{
app.OpenFile(fileName);
app.FileName = fileName;
app.FileModified = false;
}
catch (Exception ex)
{
WDAppLog.logException(ErrorLevel.Error, ex);
showErrorDialoge(app, "Could not open file ({0}): {1}.", app.FileName, ex.Message);
return(false);
}
app.FileModified = false;
return(true);
}
return(false);
}
/// <summary>
/// Call this from the New menu and you are done.
/// </summary>
public static bool DoFileNew(this IMenuSaveOpenNewCloseExit app)
{
//save existing file
if (!saveExistingFileBeforeNewOrOpen(app))
{
return(false);
}
try
{
if (app.NewFile())
{
app.FileModified = true;
app.FileName = null;
return(true);
}
return(false); // a new file was not created for some reason (maybe the user pressed cancel on a dialogue).
}
catch (Exception ex)
{
WDAppLog.logException(ErrorLevel.Error, ex);
showErrorDialoge(app, "Could create new file ({0}): {1}.", app.FileName, ex.Message);
return(false);
}
}
// true if no reason to stop with open or new
private static bool saveExistingFileBeforeNewOrOpen(IMenuSaveOpenNewCloseExit app)
{
if (!app.FileModified)
{
return(true);
}
if (MessageBox.Show((app as IWin32Window),
"Save existing file.",
"Save", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
return(DoFileSave(app, false));
}
return(true);
}
private static bool applicationSave(IMenuSaveOpenNewCloseExit app, string path)
{
string fileName = path;
try
{
app.SaveFile(fileName);
app.FileModified = false;
app.FileName = fileName;
return(true);
}
catch (Exception ex)
{
WDAppLog.logException(ErrorLevel.Error, ex);
showErrorDialoge(app, "Could not save file ({0}): {1}.", path, ex.Message);
return(false);
}
}
/// <summary>
/// Call this from the Exit menu and you are done.
/// </summary>
public static bool DoFileExit(this IMenuSaveOpenNewCloseExit app)
{
if (MessageBox.Show("Are you sure you want to exit?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
//save existing file
if (!saveExistingFileBeforeNewOrOpen(app))
{
return(false);
}
if (app is Form)
{
((Form)app).Close();
}
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Call this from the save (as) menu and you are done.
/// </summary>
/// <param name="saveAs">Save vs. Save As functionality.</param>
/// <returns></returns>
public static bool DoFileSave(this IMenuSaveOpenNewCloseExit app, bool saveAs)
{
if ((app.FileName == null) || saveAs)
{
//save as
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = FileFormat.MakeFileDialogeString(app.SupportedSaveFormats, false, "");
sfd.OverwritePrompt = true;
if (sfd.ShowDialog(app as IWin32Window) == DialogResult.OK)
{
string fileName = sfd.FileName;
//save
return(applicationSave(app, fileName));
}
return(false);
}
else
{
//save
return(applicationSave(app, app.FileName));
}
}
/// <summary>
/// Call this from the Close menu and you are done.
/// </summary>
public static bool DoFileClose(this IMenuSaveOpenNewCloseExit app)
{
//save existing file
if (!saveExistingFileBeforeNewOrOpen(app))
{
return(false);
}
try
{
app.CloseFile();
app.FileModified = false;
app.FileName = null;
return(true);
}
catch (Exception ex)
{
WDAppLog.logException(ErrorLevel.Error, ex);
showErrorDialoge(app, "Could create new file ({0}): {1}.", app.FileName, ex.Message);
return(false);
}
}
private static void showErrorDialoge(IMenuSaveOpenNewCloseExit app, string message, params object[] args)
{
string text = string.Format(message, args);
MessageBox.Show((app as IWin32Window), text, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
}