public bool ShowSettingsDialog(IExtension sender, Settings settings, SettingsValidator validator)
{
FormSettings settingsDialog = new FormSettings(settings, validator);
try
{
return settingsDialog.ShowDialog() == DialogResult.OK;
}
finally
{
settingsDialog.Dispose();
}
}
public FormSettings(Settings settings, SettingsValidator validator)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Keep track of the validator.
this.validator = validator;
// This assumes all fonts on the form are the same size.
Graphics g = CreateGraphics();
int charWidth = (int)g.MeasureString("H", Font).Width;
// Keep a reference to the supplied Settings object.
this.settings = settings;
// Create a tab page for each settings group.
for (int i = 0; i < settings.Count; i++)
{
Setting setting = settings[i];
int j = 0;
while ((j < tabControl.TabPages.Count) && (setting.Group != tabControl.TabPages[j].Text))
j++;
if (j >= tabControl.TabPages.Count)
{
TabPage newPage = new TabPage();
newPage.Text = setting.Group;
tabControl.TabPages.Add(newPage);
}
}
// Create a scrollable panel on each tab page.
controlPanels = new ScrollablePanel[tabControl.TabPages.Count];
for (int i = 0; i < tabControl.TabPages.Count; i++)
{
controlPanels[i] = new ScrollablePanel();
controlPanels[i].Location = new Point(0, 0);
controlPanels[i].Size = tabControl.TabPages[i].ClientSize;
tabControl.TabPages[i].Controls.Add(controlPanels[i]);
}
// Create controls for each setting.
controls = new Control[settings.Count];
settingButtonProperties = new SettingButtonProperties[settings.Count];
int[] controlOffset = new int[tabControl.TabPages.Count];
for (int i = 0; i < settings.Count; i++)
{
Setting setting = settings[i];
// Assemble the parameters for the setting.
int j = 0;
System.Collections.Hashtable parameters = new Hashtable();
if (setting.Params.Length % 2 != 0)
throw new Exception("Params array does not have an even number of elements");
while (j < setting.Params.Length)
{
parameters[setting.Params[j]] = setting.Params[j + 1];
j += 2;
}
// Find the corresponding tab page and panel.
j = 0;
while ((j < tabControl.TabPages.Count) && (setting.Group != tabControl.TabPages[j].Text))
j++;
if (j >= tabControl.TabPages.Count)
throw new Exception("Tab page not found. Should be impossible.");
ScrollablePanel controlPanel = controlPanels[j];
int maxControlWidth = controlPanel.ContentWidth - 2 * marginLeft;
// Add the appropriate control.
if (setting.Type == "boolean")
{
// The caption is part of the check box control.
CheckBox checkBox = new CheckBox();
checkBox.Text = setting.Caption;
checkBox.Width = maxControlWidth;
checkBox.Checked = (bool)setting.Value;
controls[i] = checkBox;
}
else
{
// Display a caption with the corresponding control underneath it.
Label caption = new Label();
caption.Left = marginLeft;
caption.Top = marginTop + controlOffset[j];
caption.Width = maxControlWidth;
caption.Text = setting.Caption;
controlOffset[j] += caption.Height;
controlPanel.ContentControls.Add(caption);
switch (setting.Type)
{
case "string":
case "integer":
case "long":
case "double":
{
int maxLength = parameters.Contains("maxlength") ? (int)parameters["maxlength"] : 0;
TextBox textBox = new TextBox();
if (maxLength > 0)
{
textBox.MaxLength = maxLength;
textBox.ClientSize = new Size((maxLength + 1) * charWidth, textBox.ClientSize.Height);
if (textBox.Width > maxControlWidth)
textBox.Width = maxControlWidth;
}
else
{
textBox.Width = maxControlWidth;
}
textBox.Text = setting.Value.ToString();
textBox.GotFocus += new EventHandler(textBox_GotFocus);
textBox.LostFocus += new EventHandler(textBox_LostFocus);
controls[i] = textBox;
break;
}
case "updown":
{
if (! parameters.Contains("min") || ! parameters.Contains("max"))
throw new Exception("Missing 'min' and/or 'max' parameter(s)");
int maxLength = parameters.Contains("maxlength") ? (int)parameters["maxlength"] : 0;
int min = (int)parameters["min"];
int max = (int)parameters["max"];
NumericUpDown upDown = new NumericUpDown();
upDown.Value = (int)setting.Value;
upDown.Minimum = min;
upDown.Maximum = max;
if (maxLength > 0)
{
upDown.ClientSize = new Size((maxLength + 1) * charWidth + 30, upDown.ClientSize.Height);
if (upDown.Width > maxControlWidth)
upDown.Width = maxControlWidth;
}
else
{
upDown.Width = maxControlWidth;
}
controls[i] = upDown;
break;
}
case "comportin":
case "comportout":
{
Button button = new Button();
button.Text = "..";
button.Width = 20;
button.Top = marginTop + controlOffset[j];
button.Left = controlPanel.ContentWidth - marginLeft - button.Width;
button.Click += new EventHandler(SettingButtonClick);
settingButtonProperties[i] = new SettingButtonProperties(button, setting.Value);
controlPanel.ContentControls.Add(button);
TextBox textBox = new TextBox();
textBox.ReadOnly = true;
textBox.Width = button.Left - marginLeft - 2;
textBox.Text = GetComPortDescription(setting.Value.ToString());
controls[i] = textBox;
break;
}
case "combobox":
{
if (! parameters.Contains("items"))
throw new Exception("Missing 'items' parameter");
object[] items = (object[])parameters["items"];
ComboBox combo = new ComboBox();
combo.Width = maxControlWidth;
for (int k = 0; k < items.Length; k++)
combo.Items.Add(items[k]);
combo.SelectedItem = setting.Value;
controls[i] = combo;
break;
}
case "openfile":
case "savefile":
case "exefile":
{
object data = null;
if (setting.Type != "exefile")
{
data = new FileDialogData(parameters.Contains("filter") ? (string)parameters["filter"] : "All Files (*.*)|*.*",
parameters.Contains("filterindex") ? (int)parameters["filterindex"] : 1,
parameters.Contains("initialdir") ? (string)parameters["initialdir"] : "");
}
Button button = new Button();
button.Text = "..";
button.Width = 20;
button.Top = marginTop + controlOffset[j];
button.Left = controlPanel.ContentWidth - marginLeft - button.Width;
button.Click += new EventHandler(SettingButtonClick);
settingButtonProperties[i] = new SettingButtonProperties(button, data);
controlPanel.ContentControls.Add(button);
TextBox textBox = new TextBox();
textBox.Width = button.Left - marginLeft - 2;
textBox.Text = setting.Value.ToString();
textBox.GotFocus += new EventHandler(textBox_GotFocus);
textBox.LostFocus += new EventHandler(textBox_LostFocus);
controls[i] = textBox;
break;
}
default:
{
throw new Exception("Unknown setting type: " + setting.Type);
}
}
}
controls[i].Left = marginLeft;
controls[i].Top = marginTop + controlOffset[j];
controlOffset[j] += controls[i].Height + controlSpacing;
controlPanel.ContentControls.Add(controls[i]);
}
// Set the heights of the control panel contents.
for (int i = 0; i < controlPanels.Length; i++)
controlPanels[i].ContentHeight = controlOffset[i];
}
private bool ValidateSettings(Settings settings, ref string errorMessage)
{
bool ret = true;
if (((int)settings["gpsProductId"].Value < 0) || ((int)settings["gpsProductId"].Value > Int16.MaxValue))
{
errorMessage += "Invalid GPS Product ID.\r\n";
ret = false;
}
if (((int)settings["gpsSoftwareVersion"].Value < 0) || ((int)settings["gpsSoftwareVersion"].Value > Int16.MaxValue))
{
errorMessage += "Invalid GPS Software Version.\r\n";
ret = false;
}
if ((string)settings["gpsProductDescription"].Value == "")
{
errorMessage += "Invalid GPS Product Description.\r\n";
ret = false;
}
if (((long)settings["gpsUnitId"].Value < 0) || ((long)settings["gpsUnitId"].Value > UInt32.MaxValue))
{
errorMessage += "Invalid GPS Unit ID.\r\n";
ret = false;
}
if ((int)settings["snrMin"].Value >= (int)settings["snrMax"].Value)
{
errorMessage += "SNRdB minimum value must be less than the maximum value.\r\n";
ret = false;
}
return ret;
}
private bool ValidateSettings(Settings settings, ref string errorMessage)
{
bool ret = true;
if ((double)settings["movement_threshold"].Value < 0)
{
errorMessage += "Invalid Movement Threshold.\r\n";
ret = false;
}
if ((double)settings["dop_multiplier"].Value < 0)
{
errorMessage += "Invalid DOP Multiplier.\r\n";
ret = false;
}
return ret;
}