Joined boxes and containers

This examples shows projects summary. Every grid row is one project.
The green containers are individual tasks. Every task consists from actions (individual boxes). The actions are grouped (joined by nbsp boxes) according to the used resource.
The action is done in specific plant, the plant determines color of the action box, there are three plants: PA (blue), PB (gray), PC (purple).
The custom colored header shows summaries for given day in hours. PA/PB/PC show hours spent in the plant. The last box shows summary hours of all resources / all available hours for these resources.

Drag Container or Box by left button to shift it. Drag Container by right button to create dependency. Drag Box by right button to move it to another container or row. Red arrows on drop mean to add to the resource, blue arrows add separately.
Double click to Container to edit the task. Double click to Box toe edit the action. Double click to nbsp Box (light green) to edit the resource.
Ctrl + click to Box or Dependency to delete it. Right click shows popup menu with actions for clicked item or space.