/// <summary>
/// DeleteControl - Remove a control from the dialog
/// </summary>
/// <param name="control"></param>
public void DeleteControl(FlexControl control)
{
controlPanel.Controls.RemoveByKey(control.Id);
int top = _margin;
foreach (Control formControl in controlPanel.Controls)
{
formControl.Top = top;
top = formControl.Bottom + _margin;
}
}
public IEnumerator <ITask> OnDeleteControl(DeleteControl delete)
{
FlexControl existing = _state.Controls.Find(delete.Body.CompareId);
if (existing == null)
{
delete.ResponsePort.Post(
Fault.FromCodeSubcodeReason(
FaultCodes.Receiver,
DsspFaultCodes.UnknownEntry,
"A control with the requested ID does not exist: " + delete.Body.Id
)
);
}
else
{
Fault fault = null;
FormInvoke invoke = new FormInvoke(
delegate
{
_form.DeleteControl(delete.Body);
}
);
WinFormsServicePort.Post(invoke);
yield return(Arbiter.Choice(
invoke.ResultPort,
EmptyHandler,
delegate(Exception e)
{
fault = Fault.FromException(e);
}
));
if (fault != null)
{
delete.ResponsePort.Post(fault);
}
else
{
_state.Controls.Remove(existing);
delete.ResponsePort.Post(DefaultDeleteResponseType.Instance);
DoSendNotification(delete);
}
}
}
void checkbox_CheckedChanged(object sender, EventArgs e)
{
CheckBox checkbox = sender as CheckBox;
if (checkbox == null)
{
return;
}
FlexControl control = checkbox.Tag as FlexControl;
if (control == null)
{
return;
}
control.Value = checkbox.Checked.ToString();
_mainPort.Post(new UpdateControl(control));
}
void radio_CheckedChanged(object sender, EventArgs e)
{
RadioButton radio = sender as RadioButton;
if (radio == null)
{
return;
}
FlexControl control = radio.Tag as FlexControl;
if (control == null)
{
return;
}
control.Value = radio.Checked.ToString();
_mainPort.Post(new UpdateControl(control));
}
void textbox_TextChanged(object sender, EventArgs e)
{
Control formControl = sender as Control;
if (formControl == null)
{
return;
}
FlexControl control = formControl.Tag as FlexControl;
if (control == null)
{
return;
}
control.Value = formControl.Text;
_mainPort.Post(new UpdateControl(control));
}
void combo_SelectedValueChanged(object sender, EventArgs e)
{
ComboBox combo = sender as ComboBox;
if (combo == null)
{
return;
}
FlexControl control = combo.Tag as FlexControl;
if (control == null)
{
return;
}
if (combo.SelectedIndex < 0)
{
control.Value = null;
}
else
{
control.Value = combo.Items[combo.SelectedIndex].ToString();
}
_mainPort.Post(new UpdateControl(control));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="body"></param>
public UpdateControl(FlexControl body)
: base(body)
{
AddHeader(InternalUpdate.Instance);
}
/// <summary>
/// CompareId - See if two controls are the same
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool CompareId(FlexControl other)
{
return(string.CompareOrdinal(_id, other._id) == 0);
}
/// <summary>
/// UpdateControl - Replace the text on a control (depends on control type)
/// </summary>
/// <param name="control"></param>
public void UpdateControl(FlexControl control)
{
Control[] controls = controlPanel.Controls.Find(control.Id, true);
if (controls == null ||
controls.Length != 1)
{
throw new ApplicationException("Could not find one control with the requested id: " + control.Id);
}
Control formControl = controls[0];
FlexControl previous = formControl.Tag as FlexControl;
if (previous == null)
{
throw new ApplicationException("Control does not have appropriate Tag");
}
if (previous.ControlType != control.ControlType)
{
throw new ApplicationException("Unable to convert control to a different type");
}
switch (control.ControlType)
{
case FlexControlType.Label:
formControl.Text = control.Text;
break;
case FlexControlType.TextBox:
formControl.Text = control.Value;
break;
case FlexControlType.MultiLineTextBox:
formControl.Text = control.Value;
break;
case FlexControlType.Button:
formControl.Text = control.Text;
using (Graphics g = CreateGraphics())
{
SizeF size = g.MeasureString(control.Text, Font);
formControl.Width = System.Math.Max(
_buttonWidth,
(int)System.Math.Ceiling(size.Width) + 2 * _margin
);
}
break;
case FlexControlType.CheckBox:
formControl.Text = control.Text;
CheckBox check = formControl as CheckBox;
check.Checked = bool.Parse(control.Value);
break;
case FlexControlType.RadioButton:
formControl.Text = control.Text;
RadioButton radio = formControl as RadioButton;
radio.Checked = bool.Parse(control.Value);
break;
case FlexControlType.ComboBox:
string[] items = control.Text.Split('|');
ComboBox combo = formControl as ComboBox;
combo.Items.Clear();
combo.Items.AddRange(items);
if (string.IsNullOrEmpty(control.Value))
{
combo.SelectedIndex = -1;
}
else
{
combo.Text = control.Value;
}
int width = 0;
using (Graphics g = CreateGraphics())
{
foreach (string item in items)
{
SizeF size = g.MeasureString(item, Font);
width = System.Math.Max(width,
(int)(System.Math.Ceiling(size.Width) + 4 * _margin)
);
}
}
formControl.Width = width;
break;
default:
case FlexControlType.Seperator:
break;
}
formControl.Tag = control;
}
/// <summary>
/// InsertControl - Add a new control to the dialog
/// </summary>
/// <param name="control"></param>
public void InsertControl(FlexControl control)
{
Control formControl = null;
int height = _buttonHeight;
int width = controlPanel.ClientSize.Width - _margin * 2;
int top;
AnchorStyles anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right;
if (controlPanel.Controls.Count > 0)
{
top = controlPanel.Controls[controlPanel.Controls.Count - 1].Bottom + _margin;
}
else
{
top = _margin;
}
switch (control.ControlType)
{
case FlexControlType.Label:
formControl = new Label();
formControl.Text = control.Text;
using (Graphics g = CreateGraphics())
{
SizeF size = g.MeasureString(control.Text, Font);
height = (int)System.Math.Ceiling(size.Height);
}
break;
case FlexControlType.TextBox:
TextBox textbox = new TextBox();
textbox.Multiline = false;
textbox.Text = control.Value;
textbox.TextChanged += textbox_TextChanged;
formControl = textbox;
break;
case FlexControlType.MultiLineTextBox:
TextBox multi = new TextBox();
multi.Multiline = true;
multi.ScrollBars = ScrollBars.Vertical;
multi.AcceptsReturn = true;
multi.Text = control.Value;
multi.TextChanged += textbox_TextChanged;
formControl = multi;
height *= 5;
break;
case FlexControlType.Button:
Button button = new Button();
button.MouseDown += formButton_MouseDown;
button.MouseUp += formButton_MouseUp;
button.Text = control.Text;
width = 75;
using (Graphics g = CreateGraphics())
{
SizeF size = g.MeasureString(button.Text, Font);
if (size.Width + 2 * _margin > width)
{
width = (int)(size.Width + 2 * _margin);
}
}
anchor = AnchorStyles.Top | AnchorStyles.Left;
formControl = button;
break;
case FlexControlType.CheckBox:
CheckBox checkbox = new CheckBox();
checkbox.Text = control.Text;
checkbox.Checked = bool.Parse(control.Value);
checkbox.CheckedChanged += checkbox_CheckedChanged;
formControl = checkbox;
break;
case FlexControlType.RadioButton:
RadioButton radio = new RadioButton();
radio.Text = control.Text;
radio.Checked = bool.Parse(control.Value);
radio.CheckedChanged += radio_CheckedChanged;
formControl = radio;
break;
case FlexControlType.ComboBox:
ComboBox combo = new ComboBox();
combo.DropDownStyle = ComboBoxStyle.DropDownList;
string[] items = control.Text.Split('|');
combo.MaxDropDownItems = items.Length;
combo.Items.AddRange(items);
if (!string.IsNullOrEmpty(control.Value))
{
combo.Text = control.Value;
}
combo.SelectedValueChanged += combo_SelectedValueChanged;
width = 0;
using (Graphics g = CreateGraphics())
{
foreach (string item in items)
{
SizeF size = g.MeasureString(item, Font);
width = System.Math.Max(width,
(int)(System.Math.Ceiling(size.Width) + 4 * _margin)
);
}
}
anchor = AnchorStyles.Top | AnchorStyles.Left;
formControl = combo;
break;
default:
case FlexControlType.Seperator:
Label label = new Label();
label.BorderStyle = BorderStyle.Fixed3D;
height = 2;
formControl = label;
break;
}
formControl.Name = control.Id;
formControl.Location = new Point(_margin, top);
formControl.Size = new Size(width, height);
formControl.Anchor = anchor;
formControl.Tag = control;
controlPanel.Controls.Add(formControl);
}
public IEnumerator <ITask> OnHttpPost(HttpPost post)
{
Fault fault = null;
NameValueCollection parameters = null;
ReadFormData readForm = new ReadFormData(post);
_utilities.Post(readForm);
yield return(Arbiter.Choice(
readForm.ResultPort,
delegate(NameValueCollection success)
{
parameters = success;
},
delegate(Exception e)
{
fault = Fault.FromException(e);
}
));
string operation = parameters["Operation"];
if (operation == "UpdateControl")
{
UpdateControl message = new UpdateControl();
FlexControl update = message.Body;
update.Id = parameters["ID"];
update.Value = parameters["Value"];
update.Text = parameters["Text"];
FlexControl control = _state.Controls.Find(update.CompareId);
if (control == null)
{
post.ResponsePort.Post(Fault.FromCodeSubcodeReason(
FaultCodes.Receiver,
DsspFaultCodes.UnknownEntry,
"Cannot find control with ID: " + update.Id
));
yield break;
}
update.ControlType = control.ControlType;
yield return(Arbiter.ExecuteToCompletion(
TaskQueue,
new IterativeTask <UpdateControl>(message, OnUpdateControl)
));
post.ResponsePort.Post(new HttpResponseType(DefaultUpdateResponseType.Instance));
}
else if (operation == "ButtonPress")
{
ButtonPress message = new ButtonPress();
ButtonPressRequest request = message.Body;
request.Id = parameters["ID"];
request.Pressed = bool.Parse(parameters["Pressed"]);
OnButtonPress(message);
post.ResponsePort.Post(new HttpResponseType(DefaultUpdateResponseType.Instance));
}
else
{
fault = Fault.FromCodeSubcodeReason(
FaultCodes.Receiver,
DsspFaultCodes.MessageNotSupported,
"Unknown operation: " + operation
);
}
if (fault != null)
{
post.ResponsePort.Post(fault);
yield break;
}
}