private void CreateComboBox(ExtensionTypeParameter parameter)
{
var labelHeight = 15;
var width = 100;
UpdateLine(width + ControlDelta_);
var label = new Label
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop),
Size = new Size(width, labelHeight),
Text = parameter.Name + ":",
Name = "lbl" + parameter.Name
};
var comboBox = new ComboBox
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop + labelHeight),
Size = new Size(width, 20),
Name = parameter.Name,
Tag = parameter
};
comboBox.Items.AddRange(Enum.GetNames(parameter.ParameterType));
comboBox.Text = parameter.HasDefaultValue ?
parameter.Value.ToString() :
Enum.GetNames(parameter.ParameterType)[0];
_groupBox.Controls.Add(label);
_groupBox.Controls.Add(comboBox);
UpdateWidth(width + ControlDelta_);
}
private void CreateTextBox(ExtensionTypeParameter parameter)
{
var labelHeight = 15;
var width = 100;
UpdateLine(width + ControlDelta_);
var label = new Label
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop),
Size = new Size(width, labelHeight),
Text = parameter.Name + ":",
Name = "lbl" + parameter.Name
};
var textBox = new TextBox
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop + labelHeight),
Size = new Size(width, 20),
Name = parameter.Name,
Tag = parameter
};
if (parameter.HasDefaultValue)
{
textBox.Text = parameter.Value.ToString();
}
_groupBox.Controls.Add(label);
_groupBox.Controls.Add(textBox);
UpdateWidth(width + ControlDelta_);
}
private Control CreateFileInput(ExtensionTypeParameter parameter)
{
var buttonCommand = new Command {
Tag = parameter
};
buttonCommand.Executed += buttonCommand_Click;
return(new TableLayout
{
Rows =
{
new Label {
Text = parameter.Name + ":"
},
new StackLayout
{
Orientation = Orientation.Horizontal,
Items =
{
new TextBox {
ReadOnly = true, ID = parameter.Name
},
new Button {
Text = "...", Command = buttonCommand
}
}
}
}
});
}
private void CreateCheckBox(ExtensionTypeParameter parameter)
{
var labelHeight = 15;
var width = 100;
UpdateLine(width + ControlDelta_);
var chk = new CheckBox
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop + labelHeight),
Size = new Size(width, 20),
Text = parameter.Name,
Name = parameter.Name,
Tag = parameter,
};
if (parameter.HasDefaultValue)
{
chk.Checked = (bool)parameter.Value;
}
_groupBox.Controls.Add(chk);
UpdateWidth(width + ControlDelta_);
}
private Control CreateControl(ExtensionTypeParameter parameter)
{
if (parameter.IsFile)
{
return(CreateFileInput(parameter));
}
if (parameter.ParameterType.IsEnum)
{
return(CreateComboBox(parameter));
}
switch (Type.GetTypeCode(parameter.ParameterType))
{
case TypeCode.Byte:
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.Char:
case TypeCode.String:
return(CreateTextBox(parameter));
case TypeCode.Boolean:
return(CreateCheckBox(parameter));
}
throw new InvalidOperationException("The parameter cannot be parsed to a control.");
}
private Control CreateComboBox(ExtensionTypeParameter parameter)
{
var enumNames = Enum.GetNames(parameter.ParameterType).ToList();
var comboBox = new ComboBox {
Tag = parameter, DataStore = enumNames
};
comboBox.SelectedValueChanged += comboBox_SelectedValueChanged;
if (parameter.HasDefaultValue)
{
comboBox.SelectedIndex = enumNames.ToList().IndexOf(parameter.Value.ToString());
}
return(new StackLayout
{
Orientation = Orientation.Vertical,
HorizontalContentAlignment = HorizontalAlignment.Stretch,
Items =
{
new Label {
Text = parameter.Name + ":"
},
comboBox
}
});
}
private Control CreateCheckBox(ExtensionTypeParameter parameter)
{
var checkBox = new CheckBox
{
Text = parameter.Name,
Checked = parameter.HasDefaultValue && (bool)parameter.Value,
Tag = parameter
};
checkBox.CheckedChanged += checkBox_CheckedChanged;
return(new StackLayout
{
Orientation = Orientation.Vertical,
HorizontalContentAlignment = HorizontalAlignment.Stretch,
Items = { checkBox }
});
}
public void AddParameter(ExtensionTypeParameter parameter)
{
if (parameter.IsFile)
{
CreateFileInput(parameter);
return;
}
if (parameter.ParameterType.IsEnum)
{
CreateComboBox(parameter);
return;
}
switch (Type.GetTypeCode(parameter.ParameterType))
{
case TypeCode.Byte:
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.Char:
case TypeCode.String:
CreateTextBox(parameter);
break;
case TypeCode.Boolean:
CreateCheckBox(parameter);
break;
}
}
private void CreateFileInput(ExtensionTypeParameter parameter)
{
var labelHeight = 15;
var width = 100;
UpdateLine(width + ControlDelta_);
var label = new Label
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop),
Size = new Size(width, labelHeight),
Text = parameter.Name + ":",
Name = "lbl" + parameter.Name
};
var textBox = new TextBox
{
Location = new Point(_topLeftCorner.X + _paddingLeft, _topLeftCorner.Y + _paddingTop + labelHeight),
Size = new Size(width - 30, 20),
Name = parameter.Name,
ReadOnly = true
};
var button = new Button
{
Location = new Point(_topLeftCorner.X + _paddingLeft + textBox.Size.Width + 5, _topLeftCorner.Y + _paddingTop + labelHeight),
Size = new Size(25, 20),
Name = "btn" + parameter.Name,
Text = "..."
};
button.Click += Button_Click;
_groupBox.Controls.Add(label);
_groupBox.Controls.Add(textBox);
_groupBox.Controls.Add(button);
UpdateWidth(width + ControlDelta_);
}
private Control CreateTextBox(ExtensionTypeParameter parameter)
{
var textBox = new TextBox
{
Text = parameter.HasDefaultValue ? parameter.Value.ToString() : string.Empty,
Tag = parameter
};
textBox.TextChanged += textBox_TextChanged;
return(new StackLayout
{
Orientation = Orientation.Vertical,
HorizontalContentAlignment = HorizontalAlignment.Stretch,
Items =
{
new Label {
Text = parameter.Name + ":"
},
textBox
}
});
}
public static bool TryParse(this ExtensionTypeParameter parameter, Control control, out string error)
{
error = "";
// If type is a file
if (parameter.IsFile)
{
var fileTextBox = control as TextBox;
if (string.IsNullOrEmpty(fileTextBox.Text))
{
error = $"Parameter '{parameter.Name}' is empty.";
return(false);
}
parameter.Value = fileTextBox.Text;
return(true);
}
// If type is an enum
if (parameter.ParameterType.IsEnum)
{
var enumName = ((ComboBox)control).SelectedText;
if (!Enum.IsDefined(parameter.ParameterType, enumName))
{
error = $"'{enumName}' is no valid member of parameter '{parameter.Name}'.";
return(false);
}
parameter.Value = Enum.Parse(parameter.ParameterType, enumName);
return(true);
}
// If type is a boolean
if (parameter.ParameterType == typeof(bool))
{
parameter.Value = ((CheckBox)control).Checked;
return(true);
}
// If type is text based
var textBox = (TextBox)control;
if (string.IsNullOrEmpty(textBox.Text))
{
error = $"Parameter '{parameter.Name}' is empty.";
return(false);
}
if (parameter.ParameterType == typeof(char))
{
if (!char.TryParse(textBox.Text, out var result))
{
error = $"'{textBox.Text}' in parameter '{parameter.Name}' is no valid character.";
return(false);
}
parameter.Value = result;
return(true);
}
if (parameter.ParameterType == typeof(string))
{
parameter.Value = textBox.Text;
return(true);
}
if (!TryParseNumber(parameter.ParameterType, textBox.Text, out var value))
{
error = $"'{textBox.Text}' in parameter '{parameter.Name}' is no valid '{parameter.ParameterType.Name}'.";
return(false);
}
parameter.Value = value;
return(true);
}
