interactive_graph_view 0.3.0+1

A performant rendering library for displaying and manipulating custom-defined graph structures through a simple API with maximum control over the graph's look and feel.

0.3.0+1

• Fixes that children of GraphViewport were not correctly deactivated after they had been rebuilt.

0.3.0

New and changed

• (BREAKING) Replaces maxWidth with contentConstraints in NodeStyle.
• Adds boundaryInsets to GraphView and GraphViewport to keep the outermost children on screen.
• Makes the text parameter in EdgeWidget optional.
• Adds debugPaintQuadTree as a parameter to GraphView and GraphViewport to be able to show a debug view of the quad tree (the underlying data structure).
• Reworks hit testing.
• Adds onLongPress to EdgeWidget.
• Changes the fallback edge text background color to transparent.
• Updates the large example to make edge properties customizable.
• Adds a button to delete nodes and edges to the large example.

Fixes

• Fixes multiple issues of the quad tree (the underlying data structure).
• Fixes that children were not rendered when they were larger than the viewport.
• Fixes that scaling did not work when both pointers hit the same node.
• Fixes the hairline gap that was sometimes visible between the end of an edge and its arrow.
• Fixes the thickness of edge-line shadows.
• Fixes that GraphViewportController.removeNode() and GraphViewportController.removeEdge() did nothing.

0.2.0

New and changed

• (BREAKING) Adds custom gesture callbacks for GraphView, GraphViewport, NodeWidget and EdgeWidget and replaces the old ones.
• Reworks gesture handling and coordinate space conversions.
• Adds new big example which uses most of the features (see example/main.dart).

Fixes

• GraphViewport and its children now get correctly clipped.
• GraphViewport now correctly instantly builds newly added children.
• Fixes a crash that happened when the viewport was moved in the widget tree.
• Fixes a layout problem with edges.

0.1.0 initial release

• Introduces the following widgets:
  • GraphViewport
  • GraphView
  • NodeWidget
  • EdgeWidget
• Introduces styling with:
  • GraphStyle
  • NodeStyle
  • EdgeStyle
• Built-in viewport panning, scaling and scrolling
• Built-in node and node group dragging