/// <summary>
/// Method that populates the <see cref="IPropertyMap"/> for edge styles in a given context.
/// </summary>
/// <remarks>
/// This implementation uses <see cref="GetStylePropertyMapBuilder"/> to retrieve the builder for the style.
/// </remarks>
/// <param name="context">The context to use for queries.</param>
protected virtual void BuildStyleProperties(IPropertyBuildContext <IEdge> context)
{
IEdge edge = context.CurrentInstance;
if (edge != null)
{
IEdgeStyle style = edge.Style;
if (style != null)
{
IPropertyMapBuilder propertyBuilder = GetStylePropertyMapBuilder(context, style);
if (propertyBuilder != null)
{
GetInstanceDelegate <IEdgeStyle> styleGetter = delegate { return(context.CurrentInstance.Style); };
SetInstanceDelegate <IEdgeStyle> styleSetter = delegate(IEdgeStyle newInstance) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
IEdge currentEdge = context.CurrentInstance;
if (graph != null)
{
graph.SetStyle(currentEdge, newInstance);
}
};
propertyBuilder.BuildPropertyMap(context.CreateChildContext(DefaultEdgeOptionBuilder.StylePropertyName, styleGetter, styleSetter, styleAssignmentPolicy));
}
}
}
}
/// <summary>
/// Builds the properties for the labels's <see cref="ILabelModel"/> type.
/// </summary>
protected virtual void BuildModelProperties(IPropertyBuildContext <ILabel> context)
{
ValueGetterDelegate <Type> labelModelGetter = new ValueGetterDelegate <Type>(
delegate {
var type = context.CurrentInstance.LayoutParameter.Model.GetType();
while (!type.IsPublic)
{
type = type.BaseType;
}
return(type);
});
ValueSetterDelegate <Type> labelModelSetter = new ValueSetterDelegate <Type>(
delegate(Type value) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
if (graph != null)
{
ILabelModel model = Activator.CreateInstance(value) as ILabelModel;
if (model != null)
{
ILabelModelParameterFinder finder =
model.Lookup(typeof(ILabelModelParameterFinder)) as ILabelModelParameterFinder;
ILabelModelParameter parameter;
ILabel subject = context.CurrentInstance;
if (finder != null)
{
parameter = finder.FindBestParameter(subject, model, subject.GetLayout());
}
else
{
parameter = model.CreateDefaultParameter();
}
graph.SetLabelLayoutParameter(subject, parameter);
}
}
});
ILabel currentLabel;
currentLabel = context.CurrentInstance;
if (currentLabel == null)
{
return;
}
if (currentLabel.Owner is IEdge)
{
context.AddEntry(EdgeLabelModelProperty,
labelModelGetter,
labelModelSetter, null);
}
if (currentLabel.Owner is INode)
{
context.AddEntry(NodeLabelModelProperty, labelModelGetter, labelModelSetter, null);
}
if (currentLabel.Owner is IPort)
{
context.AddEntry(PortLabelModelProperty, labelModelGetter, labelModelSetter, null);
}
}
/// <summary>
/// Builds the property for the labels's <see cref="ILabel.Text"/>.
/// </summary>
protected virtual void BuildLabelTextProperty(IPropertyBuildContext <ILabel> context)
{
context.AddEntry(TextProperty
, new ValueGetterDelegate <string>(delegate { return(context.CurrentInstance.Text); })
, new ValueSetterDelegate <string>(delegate(string value) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
if (graph != null)
{
graph.SetLabelText(context.CurrentInstance, value);
}
}), null);
}
/// <summary>
/// Builds the properties for the labels's <see cref="ILabel.PreferredSize"/>.
/// </summary>
protected virtual void BuildPreferredSizeProperties(IPropertyBuildContext <ILabel> context)
{
context.AddEntry(PreferredSizeProperty,
new ValueGetterDelegate <SizeD>(delegate() {
return(context.CurrentInstance.PreferredSize);
}),
new ValueSetterDelegate <SizeD>(delegate(SizeD value) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
if (graph != null)
{
graph.SetLabelPreferredSize(context.CurrentInstance, value);
}
}), null);
}
/// <summary>
/// Method that populates the <see cref="IPropertyMap"/> for edge styles in a given context.
/// </summary>
/// <remarks>
/// This implementation uses <see cref="GetStylePropertyMapBuilder"/> to retrieve the builder for the style.
/// </remarks>
/// <param name="context">The context to use for queries.</param>
protected virtual void BuildStyleProperties(IPropertyBuildContext <INode> context)
{
INode node = context.CurrentInstance;
if (node != null)
{
INodeStyle style = node.Style;
if (style != null)
{
GetInstanceDelegate <INodeStyle> styleGetter = delegate { return(context.CurrentInstance.Style); };
SetInstanceDelegate <INodeStyle> styleSetter = delegate(INodeStyle newValue) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
INode currentNode = context.CurrentInstance;
if (graph != null)
{
graph.SetStyle(currentNode, newValue);
var foldingView = graph.Lookup(typeof(IFoldingView)) as IFoldingView;
if (foldingView != null)
{
var masterNode = foldingView.GetMasterItem(currentNode);
if (foldingView.IsInFoldingState(currentNode))
{
// update non-dummy node
foldingView.Manager.MasterGraph.SetStyle(masterNode, newValue);
}
else if (foldingView.IsExpanded(currentNode))
{
// update dummy node
if (foldingView.Manager.HasFolderNodeState(masterNode))
{
foldingView.Manager.GetFolderNodeState(masterNode).Style = newValue;
}
}
}
}
};
IPropertyBuildContext <INodeStyle> styleContext =
context.CreateChildContext(StylePropertyName, styleGetter, styleSetter, styleAssignmentPolicy);
IPropertyMapBuilder propertyBuilder = GetStylePropertyMapBuilder(context, style);
if (propertyBuilder != null)
{
GetInstanceDelegate <INodeStyle> innerStyleGetter = delegate { return(styleContext.CurrentInstance); };
SetInstanceDelegate <INodeStyle> innerStyleSetter = delegate(INodeStyle newValue) { styleContext.SetNewInstance(newValue); };
propertyBuilder.BuildPropertyMap(styleContext.CreateChildContext(string.Empty, innerStyleGetter, innerStyleSetter, styleAssignmentPolicy));
}
}
}
}
/// <summary>
/// Builds the property for the port's <see cref="IPort.Style"/>.
/// </summary>
protected virtual void BuildPortStylesProperty(IPropertyBuildContext <IPort> context)
{
context.AddEntry(PortStyleProperty,
new ValueGetterDelegate <Type>(delegate {
var type = context.CurrentInstance.Style.GetType();
while (!type.IsPublic)
{
type = type.BaseType;
}
return(type);
})
, new ValueSetterDelegate <Type>(delegate(Type value) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
IPortStyle style = Activator.CreateInstance(value) as IPortStyle;
if (graph != null && style != null)
{
graph.SetStyle(context.CurrentInstance, style);
}
}), null);
}
/// <summary>
/// Builds the properties for the port's <see cref="IPort.Style"/>
/// </summary>
protected virtual void BuildStyleProperties(IPropertyBuildContext <IPort> context, IPortStyle style)
{
//style group...
//retrieve current style...
if (style != null)
{
IPropertyMapBuilder propertyBuilder = GetStyleBuilder(context, style);
if (propertyBuilder != null)
{
propertyBuilder.BuildPropertyMap(context.CreateChildContext <IPortStyle>(StyleProperty,
delegate { return(context.CurrentInstance.Style); },
delegate(IPortStyle newInstance) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
if (graph != null)
{
graph.SetStyle(context.CurrentInstance, newInstance);
}
}, styleAssignmentPolicy));
}
}
}
public object Lookup(Type type)
{
return(childContext.Lookup(type));
}
/// <summary>
/// Method that populates the <see cref="IPropertyMap"/> for edge styles in a given context.
/// </summary>
/// <remarks>
/// This implementation uses <see cref="GetStylePropertyMapBuilder"/> to retrieve the builder for the style.
/// </remarks>
/// <param name="context">The context to use for queries.</param>
protected virtual void BuildStyleProperties(IPropertyBuildContext <INode> context)
{
INode node = context.CurrentInstance;
if (node != null)
{
INodeStyle style = node.Style;
if (style != null)
{
GetInstanceDelegate <INodeStyle> styleGetter = delegate { return(context.CurrentInstance.Style); };
SetInstanceDelegate <INodeStyle> styleSetter = delegate(INodeStyle newValue) {
IGraph graph = context.Lookup(typeof(IGraph)) as IGraph;
INode currentNode = context.CurrentInstance;
if (graph != null)
{
graph.SetStyle(currentNode, newValue);
var foldingView = graph.Lookup(typeof(IFoldingView)) as IFoldingView;
if (foldingView != null)
{
var masterNode = foldingView.GetMasterItem(currentNode);
if (foldingView.IsInFoldingState(currentNode))
{
// update non-dummy node
foldingView.Manager.MasterGraph.SetStyle(masterNode, newValue);
}
else if (foldingView.IsExpanded(currentNode))
{
// update dummy node
if (foldingView.Manager.HasFolderNodeState(masterNode))
{
foldingView.Manager.GetFolderNodeState(masterNode).Style = newValue;
}
}
}
}
};
IPropertyBuildContext <INodeStyle> styleContext =
context.CreateChildContext(StylePropertyName, styleGetter, styleSetter, styleAssignmentPolicy);
styleContext.AddEntry("Shadow",
new DelegateGetter <bool>(
delegate { return(context.CurrentInstance.Style is ShadowNodeStyleDecorator); },
delegate {
//show item only for !PanelNodeStyle...
return(!(context.CurrentInstance.Style is PanelNodeStyle));
}),
new DelegateSetter <bool>(delegate(bool isShadow) {
INodeStyle currentStyle = context.CurrentInstance.Style;
if (isShadow && !(currentStyle is ShadowNodeStyleDecorator))
{
//don't decorate if already decorated...
INodeStyle newStyle =
new ShadowNodeStyleDecorator(currentStyle);
styleContext.SetNewInstance(newStyle);
}
else
{
if (!isShadow && currentStyle is ShadowNodeStyleDecorator)
{
//remove decoration
styleContext.SetNewInstance(
((ShadowNodeStyleDecorator)currentStyle).Wrapped);
}
}
},
delegate { return(!(context.CurrentInstance.Style is PanelNodeStyle)); }
));
IPropertyMapBuilder propertyBuilder = GetStylePropertyMapBuilder(context, style);
if (propertyBuilder != null)
{
GetInstanceDelegate <INodeStyle> innerStyleGetter = delegate { return(styleContext.CurrentInstance); };
SetInstanceDelegate <INodeStyle> innerStyleSetter = delegate(INodeStyle newValue) { styleContext.SetNewInstance(newValue); };
propertyBuilder.BuildPropertyMap(styleContext.CreateChildContext(string.Empty, innerStyleGetter, innerStyleSetter, styleAssignmentPolicy));
}
}
}
}