More Info about Tree View
Browser Compatibility | Editability in Style Editor | Accessibility – 508 Support
Browser Compatibility
Netscape 4.7 cannot display certain visual nuances of the standard tree control. This tree has no borders and the title height differs from the standard tree (figure 1).
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 |
| Figure 1: Example of the Standard Tree | Figure 2: Example of the Tree in Netscape Navigator 4.7 |
The tree view is always opened completely in Netscape 4.7. It is not possible to expand and collapse nodes locally. The application has to handle these operations (requires server round-trip).
Editability in Style Editor
In the Style Editor, it is possible to modify the following attributes of the tree view control:
|
Group
|
Style
|
IE 5 and above
|
Netscape 4.7
|
|---|---|---|---|
| Level Background Colors | Background Color of 1st Level |
x
|
x
|
| Background Color of 2nd Level |
x
|
x
|
|
| Background Color of 3rd Level |
x
|
x
|
|
| Background Color of 4th Level |
x
|
||
| Tree Icons | URL to "Expand" Icon |
x
|
|
| URL to "Collapse" Icon |
x
|
x
|
|
| URL to "Node" Icon |
x
|
x
|
|
| Height of Tree Icon |
x
|
||
| Width of Tree Icon |
x
|
||
| Container | Background Color of Container Title |
x
|
x
|
| Font Color of Container Title |
x
|
x
|
|
| Height of Container Title |
x
|
||
| Container Border |
x
|
||
| Bottom Border of Container |
x
|
||
| Cell Padding |
x
|
Table 1: Editable styles for the tree view control
For common styles see section HTMLB Controls and Style Editor in Customer Branding and Style Editor.
Accessibility – 508 Support
- Keyboard: Each tree node is inserted into the accessibility hierarchy by default.
- Default Description: Is provided by the HTMLB rendering engine for each tree node.
- Application-specific Description: Set an additional description using the setTooltip method for each tree node if needed.