IntelliJ IDEA 2020.1 Help

Class diagram toolbar, context menu, and legend

For information on how to use the UML class diagram, refer to UML class diagrams .

Toolbar

Item

Description

Fields

Click this button to show fields in the class nodes.

JavaScript icon

Click this button to show constructors in the class nodes.

Methods

Click this button to show methods in the class nodes.

property

Click this button to show properties in the class nodes.

inner class

Click this button to show inner classes in the class nodes.

visibility level

Click this button to reveal the combo box, and select visibility level of the elements to be displayed in a diagram.

scope

Click this button to reveal the combo box, and select the desired scope of elements to be displayed in diagram, for example, project or non-project files. The elements out of the selected scope will be hidden.

the Edge Creation mode button

Click this button to enable creating extends or implements links between node elements. If this button is not pressed, links cannot be drawn.

show dependencies

Click this button to show dependencies of the selected class or package.

Zoom In

Click this button to increase the scale of the diagram, or press NumPad+.

Zoom Out

Click this button to decrease the scale of the diagram, or press NumPad-.

Actual Size

Click this button to restore the actual size of the diagram.

Fit Content

Click this button to make the contents fit into the current diagram size.

Apply Current Layout

Click this button to apply the current layout, selected from the context menu of the diagram, or press F5.

Save diagram

Click this button to save the current diagram as a UML file.

Export to file

Click this button to save the diagram in an image file.

Print Graph

Click this button to print the diagram.

This section describes only those context menu commands that are not available from the toolbar.

Item

Shortcut

Description

Add class to diagram

Space

Choose this command to add existing class to the diagram background.

Collapse nodes

C

Choose this command to show the containing package of the selected node.

Expand nodes

E

Choose this command to show class diagram of the selected package.

New

Alt+Insert

Choose this command to create a new node element or member.

Refactor

Point to this node to select one of the refactoring commands available in this context.

Analyze

Point to this node to select one of the code analysis commands available in this context.

Legend of the Class Diagram

IntelliJ IDEA follows the UML conventions in showing relationships between the classes.

Diagram editor

Besides that, IntelliJ IDEA supports the following colors and arrows:

Item

Description

implements

The green arrow corresponds to the implements clause in a class declaration.

extends

The blue arrow corresponds to the extends clause in a class declaration.

inner class

This sign appears for the inner classes.

Last modified: 25 May 2020