/// <summary>
/// Bind this settings object to WPF controls. Supported mappings: bool to CheckBox, enum to RadioButtons or ListBoxItems, string, double, float, int to TextBox
/// </summary>
/// <param name="dataContext">The WPF element that contains all the controls required for binding</param>
/// <param name="autoUpdateSettingsObject">Whether to attach event handlers to automatically apply changes in the GUI to the settings object</param>
public void Bind(GUIAdapter dataContext, bool autoUpdateSettingsObject = true)
{
_dataContext = dataContext;
updateMappings(autoUpdateSettingsObject);
}
// TODO Automatically read default values and write to default config if none exists at startup.
public void updateMappings(bool autoUpdateSettingsObject = true)
{
Dictionary <string, PropertyMapping> mappingsNew = new Dictionary <string, PropertyMapping>();
GUIAdapter dataContext = _dataContext;
FieldInfo[] members = this.GetType().GetFields();
foreach (FieldInfo member in members)
{
Type fieldType = member.FieldType;
//MessageBox.Show(member.Name);
Control controlInfo = (Control)member.GetCustomAttribute(typeof(Control));
Category categoryInfo = (Category)member.GetCustomAttribute(typeof(Category));
// Enums get special treatment
if (fieldType.IsSubclassOf(typeof(System.Enum)))
{
PropertyMappingEnum propertyMapping = new PropertyMappingEnum();
if (categoryInfo != null)
{
propertyMapping.categoryName = categoryInfo.getCategoryName();
}
propertyMapping.fieldInfo = member;
propertyMapping.fieldType = fieldType;
propertyMapping.defaultValue = member.GetValue(this);
FieldInfo[] enumMembers = member.FieldType.GetFields();
int[] enumValues = (int[])member.FieldType.GetEnumValues();
int enumValueIndex = 0;
for (int i = 0; i < enumMembers.Length; i++)
{
FieldInfo enumMember = enumMembers[i];
if (fieldType == enumMember.FieldType)
{
int enumValue = enumValues[enumValueIndex++];
Control controlInfoHere = (Control)enumMember.GetCustomAttribute(typeof(Control));
if (controlInfoHere == null)
{
throw new Exception("Enum member " + enumMember.Name + " has no Control attribute set. No binding posssible. If you wish to explicitly use a settings value that doesn't have a WPF representation, use [Control(null)].");
}
propertyMapping.mappedNames.Add(enumValue, controlInfoHere.getSourceElement());
string localCopyOfMemberNameForLambda = member.Name;
if (controlInfoHere.getSourceElement() != null)
{
_dataContext.attachEventHandler(controlInfoHere.getSourceElement(), (a) => {
if (autoUpdateSettingsObject)
{
readSingleValueFromGUI(localCopyOfMemberNameForLambda);
}
OnValueUpdatedInGUI(new ValueUpdatedEventArgs(localCopyOfMemberNameForLambda));
});
}
}
}
mappingsNew.Add(member.Name, propertyMapping);
}
else
{
if (controlInfo == null)
{
throw new Exception("Field " + member.Name + " has no Control attribute set. No binding posssible. If you wish to explicitly use a settings value that doesn't have a WPF representation, use [Control(null)].");
}
PropertyMapping propertyMapping = new PropertyMapping(controlInfo.getSourceElement());
propertyMapping.fieldType = fieldType;
propertyMapping.fieldInfo = member;
propertyMapping.defaultValue = member.GetValue(this);
if (categoryInfo != null)
{
propertyMapping.categoryName = categoryInfo.getCategoryName();
}
string localCopyOfMemberNameForLambda = member.Name;
if (controlInfo.getSourceElement() != null)
{
_dataContext.attachEventHandler(controlInfo.getSourceElement(), (a) => {
if (autoUpdateSettingsObject)
{
readSingleValueFromGUI(localCopyOfMemberNameForLambda);
}
OnValueUpdatedInGUI(new ValueUpdatedEventArgs(localCopyOfMemberNameForLambda));
});
}
mappingsNew.Add(member.Name, propertyMapping);
}
}
mappings = mappingsNew;
}
