public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (context == null || context.Instance == null || provider == null)
{
return(value);
}
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (edSvc == null)
{
return(value);
}
using (MemoEditor editor = new MemoEditor())
{
Type propType = context.PropertyDescriptor.PropertyType;
bool isList = (propType == typeof(List <string>)) || propType.IsSubclassOf(typeof(List <string>));
if (isList)
{
editor.Caption = "Enter one value per line.";
}
editor.MemoText = isList ? GetText(value as List <string>) : Utils.NonNullString(value as string);
if (edSvc.ShowDialog(editor) == DialogResult.OK)
{
string text = editor.MemoText;
if (text == null)
{
return(null);
}
if (isList)
{
string[] lines = Utils.SplitStringToLines(text);
if (lines == null || lines.Length <= 0)
{
return(null);
}
List <string> result = //new List<string>();
(List <string>)Activator.CreateInstance(context.PropertyDescriptor.PropertyType);
foreach (string str in lines)
{
if (!string.IsNullOrEmpty(str))
{
result.Add(str);
}
}
return(result.Count > 0 ? result : null);
}
return(text);
}
}
return(value);
}
public static void ShowMemo(IWin32Window owner, string caption, string memo)
{
using var frmMemo = new MemoEditor()
{
Caption = caption,
MemoText = memo
};
frmMemo.ShowDialog(owner);
}
private void SaveFilesForm_FormClosing(object sender, FormClosingEventArgs e)
{
if (DialogResult == DialogResult.Cancel)
{
return;
}
var listSelectedFiles = new List <SaveFileData>();
foreach (SaveFileData fileData in bindingFiles)
{
if (fileData.Selected)
{
listSelectedFiles.Add(fileData);
}
}
if (listSelectedFiles.Count <= 0)
{
return;
}
foreach (var fileData in listSelectedFiles)
{
if (string.IsNullOrWhiteSpace(fileData.FileName) || !Utils.IsFullFileNameValid(Project.Current.MapPath(fileData.FileName)))
{
XtraMessageBox.Show(this, "One or more of filenames are not valid", "Invalid filename(s)", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
return;
}
}
var errors = new StringBuilder();
foreach (var fileData in listSelectedFiles)
{
try
{
fileData.ViewModel.SaveToFile(fileData.FileName);
}
catch (Exception ex)
{
errors.AppendLine($"Cannot save file '{fileData.FileName}': {ex.Message}");
}
}
if (errors.Length > 0)
{
MemoEditor.ShowMemo(this, "Errors", errors.ToString());
}
}
