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CHANGELOG.md

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Changelog

  • (2.3.0) Notable changes:

    • 👍 Edges only span the distance between vertex boundaries (instead of centers). This yields a nicer visualization when vertices are made transparent.

  • (2.2.0) Notable changes:

    • ⚠️ Bump minimum JDK to 11 and define library as a Java Module;
    • 👍 Robust algorithm for vertex spawning;
    • Propagation of hover events to labels and arrows (can be styled);
    • 🎉 Improve edge readability (issue #43) by changing the label underlying representation to a StackPane. Labels now accept CSS styles for Pane (background) and Text (the label itself).
    • ⚠️ Fixed a regression that affected the movement of vertices.
    • Other small fixes and improvements.

  • (2.1.0) Notable changes:

    • Improved edge and label rendering;

      • Fix arrow "z-order" placement in some situations.
      • Fix arrow misalignment on self-loops (issue #40).
      • Fix parallel edge spacing (issue #40).
      • Parallel edge spacing, including self-loops, is kept as compact as possible when inserting/removing, without loosing visual reference.

    • Fix visibility of methods necessary to create custom placement strategies.

    • Improved ContentZoomScrollPane with clipping of any overflow.

      • Bring vertex and label to front, while dragging.

  • (2.0.0) 🎉 Minor fixes and stable version release.

  • (2.0.0-rc2) Several minor improvements, including:

    • Example on how to use a background image for a vertex, see issue #34.

    • Styles applied to edges are propagated to their respective arrows, see issue #31.

  • (2.0.0-rc1) Shapes, sizes, providers, annotations and minor improvements:

    • Different shapes can be used to represent vertices, namely circles, stars and regular polygons (from triangles to dodecagons);

      • The default shape can be specified with the vertex.shape property in smartgraph.properties
      • Can be set/changed at runtime through a SmartShapeTypeProvider or SmartShapeTypeSource annotation.

    • The radius of the shape (enclosing circle) used to represent a vertex can be set/changed at runtime through a SmartRadiusProvider or SmartRadiusSource annotation.

    • Updated shapes and radii are only reflected in the visualization after calling SmartGraphPanel.update() or SmartGraphPanel.updateAndWait().

    • Improvements:

      • When dragging nodes, they will be kept within the panel's bounds.
      • The look of curved edges has been improved.

  • (1.1.0) Automatic layout is now performed through an instantiated strategy. There are two available (but the pattern allows for the user to devise others):

    • ForceDirectedSpringSystemLayoutStrategy: this is the original implementation for the automatic placement, through a spring system;
    • ForceDirectedSpringGravityLayoutStrategy: (new) this is a variant of the spring system implementation, but with a gravity pull towards the center of the panel. This is now the default strategy and has the advantage of not repelling isolated vertices and/or bipartite graphs to the edges of the panel.

  • (1.0.0) Package now available through Maven Central. The library seems stable, after dozens of college projects of my students have used it. Hence, the version was bumped to 1.0.0.

  • (0.9.4) You can now annotate a method with @SmartLabelSource within a model class to provide the displayed label for a vertex/edge; see the example at com.brunomnsilva.smartgraph.examples.cities. If no annotation is present, then the toString() method is used to obtain the label's text.

  • (0.9.4) You can manually alter a vertex position on the panel at anytime, through SmartGraphPanel.setVertexPosition(Vertex<V> v); see the example at com.brunomnsilva.smartgraph.examples.cities.

  • (0.9.4) You can override specific default properties by using a String parameter to the SmartGraphProperties constructor; see the example at com.brunomnsilva.smartgraph.examples.cities. This is useful if you want to display visually different graphs within the same application.

  • (0.9.4) You can now style labels and arrows individually.