Open-jACOB Draw2D

Demonstate the usage of the CommandStackEventListener interface.

This interface is very usefull for server - client communication. You can update the server data on every CommandStack change.

Demonstration of some UML diagram elements

Create figure with round corners a collapse/expand button.

Set the Position of the viewport or canvas

How to integrate Draw2D into a 3rd. party UI library

How to decorate a connector with arrows, bars or something else.

Showcase for the different connection router types

Provide a context menu for a connector

Enable the SnapToGeometry feature

Change the grid size and provide 2 toggle buttons for the user.

Provide a tooltip for a figure

Create a Toolbar with a ToggleButton

Provide a context menu for your canvas.

How to implement a context menu for your figure class.

Demonstration of a very simple vector draw application.

Starter kit for a simple Ajax Form Designer

Create a XML document with your Draw2D canvas content

Change the default port UI representation.

Attach a figure to a connector. You can attach each type of figure to a connection

Create your own connector type. A ArrowConnector

Connection with a ManhattenConnectionRouter

Usage of a connector with a direct connection router. A NullConnectionRouter.

Inherit from the Figure class and implement a special "hover" effect.

How to override the paint method of a Line figure. The result: a ArrowLineFigure

Implementation of an vector drawn based figure.

Implementation of a resizeable image figure.

Resize a figure and adjust the corresponding ports of the figure to the new size.

Show a  link in a dialog and scroll the view to a related object.

Implement a figure with an internal timer.

How to implement a double click event handler at a figure.

Demonstration of an extended Selection Listener.

Show a simple "selection listener". This is a core function of the "draw2d.Dialog" class.We use this in the demo to show some properties of the selected figure.

Show the different between the simple canvas and the interactive canvas called "draw2d.Workflow"

show some core figure functions of the Draw2D API.

Description of the arrow figure