static public void ApplyProperties(CElement view, PropertyPrototype[] properties, Dictionary <string, object> objectsMap)
{
foreach (var property in properties)
{
try
{
switch (property.Kind)
{
case PropertyPrototype.PropertyPrototypeKind.AssignFrom:
AssignPropertyFrom(view, objectsMap, property);
break;
case PropertyPrototype.PropertyPrototypeKind.BindValue:
BindProperty(view, objectsMap, property);
break;
case PropertyPrototype.PropertyPrototypeKind.TextRepresentation:
AssignPropertyText(view, objectsMap, property);
break;
}
}
catch (Exception e)
{
LogHelper.LogException($"Exception thrown during field assignment; target object: \"{view}\"; property: \"{property}\"; exception", e);
}
}
}
private static void AssignPropertyText(CElement view, Dictionary <string, object> objectsMap, PropertyPrototype property)
{
var propName = property.Name;
var propInfo = view.GetType().GetMember(propName, BindingFlags.Public | BindingFlags.Instance).FirstOrDefault(); // todo:
if (propInfo == null)
{
Log.Error($"Unable to resolve node {propName} for object {view}");
return;
}
if (!propInfo.CanWrite())
{
Log.Error($"Unable to assign property {propName} of object {view}");
return;
}
var valueType = property.TypeHint ?? propInfo.MemberType();
valueType = Nullable.GetUnderlyingType(valueType) ?? valueType;
var value = ParseFromText(property.Value, property.Translate, valueType);
propInfo.SetValue(view, value);
$"Assigned {value} to {propName}".Log();
}
/// <summary>
/// sends view to the bottom of the views stack
/// </summary>
/// <param name="element"></param>
public void SendToBack(CElement element)
{
if (!elements.Remove(element))
{
throw new InvalidOperationException($"view {element} in not a subview of {this}");
}
elements.Insert(0, element);
SetNeedsUpdateLayout();
}
/// <summary>
/// brings view to the top of the views stack
/// </summary>
/// <param name="element"></param>
public void BringToFront(CElement element)
{
if (!elements.Remove(element))
{
throw new InvalidOperationException($"view {element} in not a subview of {this}");
}
elements.Add(element);
SetNeedsUpdateLayout();
}
public static void ConstrainSize(this CElement element, double width, double height, ClStrength strength = null)
{
if (strength == null)
{
strength = ClStrength.Default;
}
element.AddConstraint(new ClLinearConstraint(element.width, toLinearExpression(width), strength));
element.AddConstraint(new ClLinearConstraint(element.height, toLinearExpression(height), strength));
}
public static void Center(this CElement parent, CElement child, EdgeInsets insets, ClStrength strength = null)
{
if (strength == null)
{
strength = ClStrength.Default;
}
parent.AddConstraint(parent.centerX ^ ((insets.Left - insets.Right) / 2) + child.centerX, strength);
parent.AddConstraint(parent.centerY ^ ((insets.Top - insets.Bottom) / 2) + child.centerY, strength);
}
public static void Center(this CElement parent, CElement child, ClStrength strength = null)
{
if (strength == null)
{
strength = ClStrength.Default;
}
parent.AddConstraint(parent.centerX ^ child.centerX, strength);
parent.AddConstraint(parent.centerY ^ child.centerY, strength);
}
public static void MakeSizeIntristic(this CElement element, EdgeInsets insets, ClStrength strength = null)
{
if (strength == null)
{
strength = ClStrength.Default;
}
element.AddConstraint(element.width ^ element.intrinsicWidth + insets.Width, strength);
element.AddConstraint(element.height ^ element.intrinsicHeight + insets.Height, strength);
}
private static void BindProperty(CElement view, Dictionary <string, object> objectsMap, PropertyPrototype property)
{
// todo exceptions
var propName = property.Name;
var srcPath = property.Path;
object srcValue = objectsMap[srcPath.Object];
object srcObject = null;
Type srcType = null;
if (srcValue is Type)
{
srcType = (Type)srcValue;
srcObject = null;
}
else
{
srcType = srcValue.GetType();
srcObject = srcValue;
}
var srcProp = srcType.GetMember(srcPath.Member, BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static).FirstOrDefault(); // todo: propper overload resolving
if (srcProp == null)
{
Log.Error($"Unable to assign property \"{propName}\" of object \"{view}\": source object \"{srcPath}\" does not exists");
return;
}
var dstProp = view.GetType().GetMember(propName, BindingFlags.Public | BindingFlags.Instance).FirstOrDefault(); // todo: propper overload resolving
if (dstProp != null && !IsCompatibleBindable(dstProp.MemberType(), srcProp.MemberType()))
{
dstProp = view.GetType().GetMember(propName + "Prop", BindingFlags.Public | BindingFlags.Instance).FirstOrDefault(); // todo: propper overload resolving
}
if (dstProp != null && IsCompatibleBindable(dstProp.MemberType(), srcProp.MemberType()))
{
var dstObj = dstProp.GetValue(view);
dstProp.MemberType().GetMethod(nameof(Bindable <object> .Bind), BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[] { typeof(object), typeof(MemberInfo) }, null)
.Invoke(dstObj, new object[] { srcObject, srcProp });
$"Binded {srcProp} of {srcValue} to {dstProp}".Log();
}
else
{
if (dstProp == null)
{
Log.Error($"Unable to assign property \"{propName}\" of object \"{view}\": property \"{propName}\" does not exists");
}
else
{
Log.Error($"Unable to assign property \"{propName}\" of object \"{view}\": \"{srcValue}\" is not of compatible type");
}
}
}
public static void Embed(this CElement parent, CElement child, EdgeInsets insets, ClStrength strength = null)
{
if (strength == null)
{
strength = ClStrength.Default;
}
parent.AddConstraint(new ClLinearConstraint(parent.top, child.top - insets.Top, strength));
parent.AddConstraint(new ClLinearConstraint(parent.right, child.right + insets.Right, strength));
parent.AddConstraint(new ClLinearConstraint(parent.bottom, child.bottom + insets.Bottom, strength));
parent.AddConstraint(new ClLinearConstraint(parent.left, child.left - insets.Left, strength));
}
public void MoveToPosition(CElement element, int position)
{
if (position < 0 && position >= elements.Count())
{
throw new ArgumentException("position is out of bounds", "position");
}
if (!elements.Remove(element))
{
throw new InvalidOperationException($"view {element} in not a subview of {this}");
}
elements.Insert(position, element);
SetNeedsUpdateLayout();
}
/// <summary>
/// Removes all constraints leading into element
/// </summary>
/// <param name="element"></param>
/// <returns>isolated constraints of element not connected to outside tree</returns>
private List <ClConstraint> ShearConstraints(CElement element)
{
var cns = Solver.AllConstraints();
var detachedAnchors = new HashSet <ClVariable>(element.allAnchors());
var movedConstraints = new List <ClConstraint>();
foreach (var cn in cns)
{
bool hasDetached = false;
bool hasAttached = false;
foreach (var var in cn.Expression.Terms.Keys)
{
if (detachedAnchors.Contains(var))
{
hasDetached = true;
}
else
{
hasAttached = true;
}
if (hasAttached && hasDetached)
{
break;
}
}
if (hasDetached)
{
constraints.Remove(cn);
Solver.RemoveConstraint(cn);
if (!hasAttached)
{
movedConstraints.Add(cn);
}
}
}
foreach (var var in detachedAnchors)
{
Solver.RemoveVariable(var);
}
return(movedConstraints);
}
/// <summary>
/// Removes the subview
/// </summary>
/// <param name="element">children to remove</param>
public void RemoveElement(CElement element)
{
if (!elements.Remove(element))
{
throw new InvalidOperationException($"view {element} is not a subview of {this}");
}
List <ClConstraint> movedConstraints = ShearConstraints(element);
elements.Remove(element);
element.parent_ = null;
//Log.Message($"moved constraints:\n{string.Join("\n", movedConstraints)}");
foreach (var cn in movedConstraints)
{
element.AddConstraint(cn);
}
SetNeedsUpdateLayout();
}
public static void StackLeft(this CElement parent, StackOptions options, IEnumerable items)
{
Stack(parent, toRight, options, items);
}
public static void StackRight(this CElement parent, StackOptions options, params object[] items)
{
StackRight(parent, options, (IEnumerable)items);
}
public virtual void DestroyGui()
{
gui = null;
settingsView = null;
}
public static void StackBottom(this CElement parent, StackOptions options, IEnumerable items)
{
Stack(parent, toTop, options, items);
}
private static void Stack(CElement parent, AnchorMapper mapper, StackOptions options, IEnumerable items)
{
ClLinearExpression trailing = mapper.Leading(parent) + mapper.GetLeadingExpression(options) * mapper.multipler;
bool isFirst = true;
foreach (var item in items)
{
CElement element = null;
ClLinearExpression size = null;
if (item is CElement)
{
element = item as CElement;
size = null;
}
else
{
var type = item.GetType();
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(ValueTuple <,>))
{
var maybeElement = type.GetField("Item1").GetValue(item);
var maybeVar = type.GetField("Item2").GetValue(item);
element = maybeElement as CElement;
size = toLinearExpression(maybeVar);
}
}
if (element != null)
{
var child = element;
if (!isFirst)
{
trailing = trailing + options.Spacing;
}
parent.AddConstraint(new ClLinearConstraint(trailing, new ClLinearExpression(mapper.Leading(child)), options.Strength));
trailing = new ClLinearExpression(mapper.Trailing(child));
if (size != null)
{
parent.AddConstraint(new ClLinearConstraint(mapper.Size(child), size, options.Strength));
}
else if (options.IntrinsicIfNotSet)
{
parent.AddConstraint(mapper.Size(child) ^ mapper.IntrinsicSize(child));
}
if (options.ConstrainSides)
{
parent.AddConstraints(options.Strength,
mapper.SideA(child) ^ mapper.SideA(parent) + mapper.GetSideAExpression(options) * mapper.multipler,
mapper.SideB(child) ^ mapper.SideB(parent) - mapper.GetSideBExpression(options) * mapper.multipler
);
}
if (options.AlignToCenter)
{
parent.AddConstraints(options.Strength,
mapper.Center(child) ^ mapper.Center(parent)
);
}
isFirst = false;
}
else
{
trailing = trailing + toLinearExpression(item) * mapper.multipler;
}
}
if (options.ConstrainEnd)
{
parent.AddConstraint(trailing + mapper.GetTrailingExpression(options) * mapper.multipler ^ mapper.Trailing(parent), options.Strength);
}
}
public static void StackBottom(this CElement parent, params object[] items)
{
StackBottom(parent, (IEnumerable)items);
}
public static void StackBottom(this CElement parent, IEnumerable items)
{
Stack(parent, toTop, StackOptions.Default, items);
}
public static void StackRight(this CElement parent, IEnumerable items)
{
Stack(parent, toLeft, StackOptions.Default, items);
}