Adobe Extending Dreamweaver CS4 - Manual (Page 94)

88 EXTENDING DREAMWEAVER CS4
User interfaces for extensions
Tree controls display data in a hierarchical format and let users expand and collapse nodes in the tree. The
MM:TREECONTROL tag lets you create tree controls for any type of information. Unlike the database tree control that is
described in “ Adding a database tree control ” on page 86, no association with a database is required. The Dreamweaver
Keyboard Shortcuts editor uses the tree control, as shown in the following figure:
Creating a tree control
The MM:TREECONTROL tag creates a tree control and can use one or more tags to add structure, as described in the
following list:
• MM:TREECOLUMN is an empty, optional tag that defines a column in the tree control.
• MM:TREENODE is an optional tag that defines a node in the tree. It is a nonempty tag that can contain only other
MM:TREENODE tags.
MM:TREECONTROL tags have the following attributes:
MM:TREECOLUMN tags have the following attributes:
Attribute name Description
name Name of the tree control
size Optional. Number of rows that show in the control; default is 5 rows
theControl Optional. If the number of nodes in the theControl attribute exceeds the value of
the size attribute, scrollbars appear
multiple Optional. Allows multiple selections; default is single-selection
style Optional. Style definition for height and width of tree control; if specified, takes
precedence over the
size attribute
noheaders Optional. Specifies that the column headers should not appear