private void btnPresetSetup_Click(object sender, EventArgs e)
{
if (comboboxPreset.SelectedIndex == 0)
{
return;
}
IMadCalcMain calc = (IMadCalcMain)comboboxPreset.SelectedItem;
Form frm = calc.GetSetupForm();
if (frm == null)
{
return;
}
frm.Icon = this.Icon;
DialogResult res = frm.ShowDialog(this);
if (res == DialogResult.OK || res == DialogResult.Yes)
{
calc.SetSetupForm(frm);
if (calc.IsEmptyExprAllowed())
{
if (MessageBox.Show("Do you want to calculate result now?", "Question", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
{
btnCalculate_Click(btnCalculate, new EventArgs());
}
}
}
}
private void btnExprAbout_Click(object sender, EventArgs e)
{
if (comboboxPreset.SelectedIndex == 0)
{
return;
}
IMadCalcMain calc = (IMadCalcMain)comboboxPreset.SelectedItem;
MessageBox.Show((curinfo == null) ? "Information unavailable." : String.Format("{0} v.{1}\r\nAuthor: {2}\r\n{3}", curinfo.Name, curinfo.Version, curinfo.Author, curinfo.Description), "About", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnExprHelp_Click(object sender, EventArgs e)
{
if (comboboxPreset.SelectedIndex == 0)
{
return;
}
IMadCalcMain calc = (IMadCalcMain)comboboxPreset.SelectedItem;
MessageBox.Show((curinfo == null) ? "Help unavailable." : curinfo.HtmlHelp, "Help", MessageBoxButtons.OK, MessageBoxIcon.Question);
}
private void comboboxPreset_SelectedIndexChanged(object sender, EventArgs e)
{
setControlsState(comboboxPreset.SelectedIndex != 0);
curinfo = null;
if (comboboxPreset.SelectedIndex > 0)
{
IMadCalcMain calc = (IMadCalcMain)comboboxPreset.SelectedItem;
lbAllowed.Visible = calc.IsEmptyExprAllowed();
curinfo = calc.GetInfo();
}
else
{
lbAllowed.Visible = false;
}
}
private void btnCalculate_Click(object sender, EventArgs e)
{
if (comboboxPreset.SelectedIndex == 0)
{
MessageBox.Show("Unable to calculate expression. Plugin was not selected.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
IMadCalcMain curCalc = (IMadCalcMain)comboboxPreset.SelectedItem;
bool allow = curCalc.IsEmptyExprAllowed();
if (String.IsNullOrWhiteSpace(richboxExpr.Text) && !allow)
{
MessageBox.Show("Unable to calculate empty expression.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (!String.IsNullOrWhiteSpace(richboxResult.Text))
{
history.Add(richboxResult.Text + "\r\n------------");
}
richboxErrors.Clear();
richboxResult.Clear();
if (!curCalc.ParseExpression(richboxExpr.Text) && !allow)
{
richboxErrors.Text = "Unable to parse expression. Check it and try again.";
return;
}
richboxResult.Text = curCalc.CalculateExpression(richboxExpr.Text);
List <string> errs = curCalc.GetErrors();
if (errs != null && errs.Count > 0)
{
richboxErrors.Lines = errs.ToArray();
}
else
{
richboxErrors.Text = "Calculated successfully.";
}
}
private void loadCalculators()
{
string currPath = Path.Combine(appPath, "calculators");
if (!Directory.Exists(currPath))
{
try
{
Directory.CreateDirectory(currPath);
}
catch (Exception ex)
{
MessageBox.Show("Unable to create plugins directory.\r\nMessage: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
comboboxPreset.Items.Clear();
comboboxPreset.Items.Add("<Not found...>");
return;
}
}
bool error = false;
string[] plugins = Directory.GetFiles(currPath, "*.dll");
List <Type> pluginTypes = new List <Type>();
foreach (string plugin in plugins)
{
Assembly assmPlug = Assembly.LoadFile(plugin);
Type[] types = null;
try
{
types = assmPlug.GetExportedTypes();
}
catch
{
MessageBox.Show("Unable to load plugin cause internal SDK error (is installed SDK\\plugin version correct?).", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
error = true;
}
if (!error)
{
foreach (Type t in types)
{
if (t.IsClass && typeof(IMadCalcMain).IsAssignableFrom(t))
{
pluginTypes.Add(t);
}
}
}
}
comboboxPreset.Items.Clear();
if (pluginTypes.Count == 0)
{
comboboxPreset.Items.Add("<Not found...>");
}
else
{
comboboxPreset.Items.Add("<Select a plugin...>");
}
comboboxPreset.SelectedIndex = 0;
foreach (Type t in pluginTypes)
{
IMadCalcMain ia = (IMadCalcMain)Activator.CreateInstance(t);
comboboxPreset.Items.Add(ia);
}
}
