public MainWindowViewModel()
{
_canChangeMode = true;
_editor = new SpreadsheetEditor();
_selectFileCommand = new RelayCommand(SelectFile);
_openFileCommand = new RelayCommand(OpenFile, () => !_editor.IsOpened);
_closeFileCommand = new RelayCommand(CloseFile, () => _editor.IsOpened);
_useReadOnlyModeCommand = new RelayCommand(UseReadOnlyMode);
_useWriteModeCommand = new RelayCommand(UseWriteMode);
_mode = SpreadsheetEditorMode.Edit;
}
public void OpenSpreadsheet(String filePath, SpreadsheetEditorMode editorMode)
{
Requires.NotNull(filePath, "filePath");
_mode = editorMode;
try
{
_spreadsheet = SpreadsheetDocument.Open(filePath, _mode == SpreadsheetEditorMode.Edit);
}
catch (OpenXmlPackageException e)
{
throw new InvalidOperationException("Cannot open file." + e.Message);
}
IsOpened = true;
}
public SpreadsheetEditor()
{
IsOpened = false;
_mode = default (SpreadsheetEditorMode);
}
private void UseWriteMode()
{
_mode = SpreadsheetEditorMode.Edit;
}
private void UseReadOnlyMode()
{
_mode = SpreadsheetEditorMode.ReadOnly;
}
