samaxes

If you have ever tried to draw gantt charts with JFreeChart you have already noticed that it’s a very simplistic implementation - it doesn’t have the facility to display dependency lines or milestones. Gantt chart demo from JFreeChart samples: In a recent project I needed some additional features like: Summary tasks Milestones/deliverables Dependencies between task and milestones/deliverables So I modified BarRenderer.java, GanttRenderer.java, GanttCategoryDataset.java, Task.java, and TaskSeriesCollection.java appropriately and also created my own class called LineAndShapeGanttRenderer.…