# Package org.eclipse.zest.core.widgets

Interface Summary
Interface | Description
--- | ---
ConstraintAdapter | This interface is used to populate layout constraints on Zest nodes.
IContainer | This interface describes all Zest components that are Containers.

Class Summary
Class | Description
--- | ---
CGraphNode | A Custom Graph Node
Graph | Holds the nodes and connections for the graph.
GraphConnection | This is the graph connection model which stores the source and destination nodes and the properties of this connection (color, line width etc).
GraphContainer | A Container than can be added to a Graph.
GraphItem | Provides support for property changes.
GraphNode | Simple node class which has the following properties: color, size, location, and a label.
ZestStyles | Style constants used in Zest.