protected override bool CanDo(out string currentState, out string newState)
{
currentState = null;
newState = null;
if (this.Project.ImageGrid == null)
{
this.CommandsInput.ShowMessage("Please load and process image first");
return(false);
}
foreach (IPaletteItem item in this.Project.Palette.ToList())
{
if (String.IsNullOrWhiteSpace(item.Text))
{
if (!this.undoRedoManager.Do(SetPaletteItemTextCommand.CreateWithContext(this.Project, this.CommandsInput, item)))
{
return(false);
}
}
}
if (this.Project.Palette.Select(p => p.Text).Distinct().Count() != this.Project.Palette.Count())
{
this.CommandsInput.ShowMessage("Please set a unique name for each selected color by double clicking it");
return(false);
}
return(this.CommandsInput.SelectTextPatternFile(out newState));
}
public static SetPaletteItemTextCommand CreateWithContext(
Corner2CornerProject project,
ICorner2CornerCommandsInput commandsInput,
IPaletteItem context)
{
SetPaletteItemTextCommand result = new SetPaletteItemTextCommand(project, commandsInput);
result.context = context;
return(result);
}