/// <summary>
/// Populates this instance from scratch using a provided selection provider.
/// </summary>
/// <remarks>This instance will be cleared, and all constraints on it will be reset.
/// The builder inspects the first <see cref="IPropertyItemDescriptor{T}"/> from
/// <paramref name="selectionProvider"/> and creates an <see cref="IOptionBuilder"/> instance
/// that will <see cref="IOptionBuilder.AddItems"/> to this instance via the builder.
/// </remarks>
/// <param name="selectionProvider"></param>
/// <param name="contextLookup">The lookup tunnel through to the created
/// <see cref="IOptionBuilderContext"/> that will be used to query the <see cref="IOptionBuilder"/>
/// instances for recursive sets of properties.</param>
public virtual void BuildFromSelection <T>(ISelectionProvider <T> selectionProvider, IContextLookup contextLookup)
{
StartContentChange();
try {
Clear();
DefaultOptionBuilderContext <T> context;
context = new DefaultOptionBuilderContext <T>(selectionProvider, this);
context.ContextLookup = contextLookup;
ConstraintManager constraintManager = this.Lookup <ConstraintManager>();
if (constraintManager == null)
{
constraintManager = new ConstraintManager(this);
this.SetLookup(typeof(ConstraintManager), constraintManager);
}
constraintManager.Clear();
IEnumerator <IPropertyItemDescriptor <T> > enumerator = selectionProvider.Selection.GetEnumerator();
if (enumerator.MoveNext())
{
IPropertyItemDescriptor <T> descriptor = enumerator.Current;
T item;
item = descriptor.Item;
IOptionBuilder builder = context.GetOptionBuilder(item);
if (builder != null)
{
builder.AddItems(context, item.GetType(), item);
}
}
} finally {
EndContentChange();
}
}
/// <summary>
/// Adds <see cref="IOptionItem"/>s that are bound to the label's <see cref="ILabel.LayoutParameter"/>
/// and the associated <see cref="ILabelModelParameter.Model"/>.
/// property to the builder.
/// </summary>
/// <param name="context">The context to use for building.</param>
/// <param name="label">The current label instance.</param>
protected virtual void AddLabelLayoutParameterItems(IOptionBuilderContext context, ILabel label)
{
if (label.LayoutParameter != null)
{
IOptionBuilder modelBuilder = GetLabelModelOptionBuilder(context, label.LayoutParameter.Model);
if (modelBuilder != null)
{
modelBuilder.AddItems(context.CreateChildContext("Model"), label.LayoutParameter.Model.GetType(), label.LayoutParameter.Model);
}
}
}
/// <summary>
/// Builds the options for the first label of the node instance.
/// </summary>
/// <param name="context">The context to use for building.</param>
/// <param name="subject">The current node instance.</param>
protected virtual void BuildLabelOptions(IOptionBuilderContext context, ILabelOwner subject)
{
if (subject.Labels.Count > 0)
{
context = context.CreateChildContext(DefaultNodePropertyMapBuilder.LabelPropertyName);
ILabel label = subject.Labels[0];
if (label != null)
{
IOptionBuilder builder = GetLabelOptionBuilder(context, label);
if (builder != null)
{
builder.AddItems(context, typeof(ILabel), label);
}
}
}
}
/// <summary>
/// Adds a <see cref="IOptionItem"/>s that are bound to the port's <see cref="IPort.Style"/>
/// to the builder.
/// </summary>
/// <param name="context">The context to use for building.</param>
/// <param name="port"></param>
protected virtual void AddStyleItems(IOptionBuilderContext context, IPort port)
{
//style group...
//retrieve current style...
IPortStyle style = port.Style;
if (style != null)
{
//retrieve OptionBuilder from style
IOptionBuilder styleBuilder = GetStyleOptionBuilder(context, style);
if (styleBuilder != null)
{
styleBuilder.AddItems(context.CreateChildContext(DefaultPortPropertyMapBuilder.StyleProperty), style.GetType(), style);
}
}
}
/// <summary>
/// Builds the options for the style of the edge instance.
/// </summary>
/// <param name="context">The context to use for building.</param>
/// <param name="edge">The current edge instance.</param>
protected virtual void BuildStyleOptions(IOptionBuilderContext context, IEdge edge)
{
context = context.CreateChildContext(StylePropertyName);
//style group...
//retrieve current style...
IEdgeStyle style = edge.Style;
if (style != null)
{
//retrieve OptionBuilder from style
IOptionBuilder builder = GetStyleOptionBuilder(context, style);
if (builder != null)
{
builder.AddItems(context, style.GetType(), style);
}
}
}
/// <summary>
/// Builds the options for the style of the node instance.
/// </summary>
/// <param name="context">The context to use for building.</param>
/// <param name="node">The current node instance.</param>
protected virtual void BuildStyleOptions(IOptionBuilderContext context, INode node)
{
context = context.CreateChildContext(DefaultNodePropertyMapBuilder.StylePropertyName);
context.BindItem(new BoolOptionItem("Shadow"), "Shadow");
//style group...
//retrieve current style...
INodeStyle style = node.Style;
if (style != null)
{
//retrieve OptionBuilder from style
IOptionBuilder builder = GetStyleOptionBuilder(context, style);
if (builder != null)
{
builder.AddItems(context, style.GetType(), style);
}
}
}
/// <inheritdoc/>
public void AddItems(IOptionBuilderContext context, Type subjectType, object subject)
{
Type type1 = subject == null?subjectType:subject.GetType();
PropertyInfo[] propertyInfos =
SortProperties(FilterProperties(
type1.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy),
context), context);
foreach (PropertyInfo descriptor in propertyInfos)
{
DisplayNameAttribute displayNameAttribute = GetAttribute <DisplayNameAttribute>(descriptor);
string propertyName;
if (displayNameAttribute == null || displayNameAttribute.DisplayName.Length < 1)
{
propertyName = descriptor.Name;
}
else
{
propertyName = displayNameAttribute.DisplayName;
}
Type type = descriptor.PropertyType;
object value = descriptor.GetGetMethod().Invoke(subject, null);
IOptionBuilder builder = GetBuilder(descriptor, context, subject, type);
if (builder != null)
{
IOptionBuilderContext childContext = context.CreateChildContext(propertyName);
builder.AddItems(childContext, type, value);
ConfigureItem(childContext.Lookup <IOptionGroup>(), descriptor);
}
else
{
IOptionItem item = CreateItem(context, descriptor, type, propertyName, value);
if (item != null)
{
context.BindItem(item, propertyName);
ConfigureItem(item, descriptor);
}
}
}
}
/// <inheritdoc/>
public void AddItems(IOptionBuilderContext context, Type subjectType, object subject)
{
PropertyInfo[] propertyInfos =
SortProperties(context, FilterProperties(context, subjectType.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy)));
foreach (PropertyInfo info in propertyInfos)
{
DisplayAttribute descriptionAttribute = GetAttribute <DisplayAttribute>(info);
#if UseDataAnnotations
string description = descriptionAttribute == null ? info.Name : descriptionAttribute.GetName();
#else
string description = descriptionAttribute == null ? info.Name : descriptionAttribute.DisplayName;
#endif
object value = subject == null ? null : info.GetValue(subject, null);
Type type = value == null ? info.PropertyType : value.GetType();
IOptionBuilder builder = GetBuilder(context, info, subject, type);
if (builder != null)
{
IOptionBuilderContext childContext = context.CreateChildContext(description);
builder.AddItems(childContext, type, value);
ConfigureItem((IOptionItem)childContext.Lookup(typeof(IOptionGroup)), info);
}
else
{
IOptionItem item = CreateItem(context, info, type, description, value);
if (item != null)
{
context.BindItem(item, description);
ConfigureItem(item, info);
}
}
}
}