// when the user clicks 'Add to custom symbols' on the details dialog
private void DetailsDialogAddToCustomSymbols(object sender, LineSymbolizerEventArgs e)
{
// Here a dialog is displayed. The user can enter the custom symbol name and category
// in the dialog.
AddCustomSymbolDialog dlg = new AddCustomSymbolDialog(_categories, e.Symbolizer);
dlg.ShowDialog();
CustomLineSymbolizer newSym = dlg.CustomSymbolizer as CustomLineSymbolizer;
if (newSym != null)
{
// check if user added a new category
if (!_categories.Contains(newSym.Category))
{
_categories.Add(newSym.Category);
}
UpdateCategories();
predefinedLineSymbolControl1.SymbolizerList.Insert(0, newSym);
predefinedLineSymbolControl1.Invalidate();
}
// TODO: save the custom symbolizer to xml / serialized file.
// predefinedLineSymbolControl1.SaveToXml("test.xml");
}
/// <summary>
/// Creates the new custom symbolizer with the specified name and category
/// </summary>
/// <returns>the custom symbolizer</returns>
private CustomSymbolizer CreateCustomSymbolizer()
{
CustomSymbolizer custSym = null;
if (_symbolizer is PointSymbolizer)
{
custSym = new CustomPointSymbolizer();
}
else if (_symbolizer is LineSymbolizer)
{
custSym = new CustomLineSymbolizer();
}
else if (_symbolizer is PolygonSymbolizer)
{
custSym = new CustomPolygonSymbolizer();
}
if (custSym != null)
{
custSym.Symbolizer = _symbolizer;
custSym.Name = _txtSymbolName.Text;
custSym.Category = _cmbSymbolCategory.Text;
return(custSym);
}
return(null);
}
private void PredefinedSymbolControlSymbolSelected(object sender, EventArgs e)
{
CustomLineSymbolizer customSymbol = predefinedLineSymbolControl1.SelectedSymbolizer;
if (customSymbol != null)
{
_symbolizer = customSymbol.Symbolizer;
UpdatePreview();
}
}
/// <summary>
/// Adds a new symbolizer to the control. The added symbolizer will be selected
/// by default
/// </summary>
/// <param name="newSymbolizer">The added custom symbolizer</param>
public void AddSymbolizer(CustomLineSymbolizer newSymbolizer)
{
_symbolizerList.Add(newSymbolizer);
SelectedIndex = _symbolizerList.Count - 1;
}
/// <summary>
/// Adds a new symbolizer to the control. The added symbolizer will be selected
/// by default
/// </summary>
/// <param name="newSymbolizer">The added custom symbolizer</param>
public void AddSymbolizer(CustomLineSymbolizer newSymbolizer)
{
_symbolizerList.Add(newSymbolizer);
SelectedIndex = _symbolizerList.Count - 1;
}
/// <summary>
/// Creates the new custom symbolizer with the specified name and category
/// </summary>
/// <returns>the custom symbolizer</returns>
private CustomSymbolizer CreateCustomSymbolizer()
{
CustomSymbolizer custSym = null;
if (_symbolizer is PointSymbolizer)
{
custSym = new CustomPointSymbolizer();
}
else if (_symbolizer is LineSymbolizer)
{
custSym = new CustomLineSymbolizer();
}
else if (_symbolizer is PolygonSymbolizer)
{
custSym = new CustomPolygonSymbolizer();
}
if (custSym != null)
{
custSym.Symbolizer = _symbolizer;
custSym.Name = _txtSymbolName.Text;
custSym.Category = _cmbSymbolCategory.Text;
return custSym;
}
return null;
}
