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The tab layout behaves like the tab panel widget except for a few differences.
| Feature | Tab Panel | Tab Layout |
|---|---|---|
| Allow nested tab widgets | No | Yes |
| Widgets inside can use percent dimensions | No | Yes |
| Allow lazy-loading widgets1 | No | Yes |
| Tab Styles | Yes, as a property | Yes, via CSS |
| Charts load data only when tab is selected | Yes | No, unless "lazy load" is true |
1Lazy loading is available for tab layouts in Profound UI Version 6 Fix Pack 1.0. 2Charts in tab panels do not load until the tab becomes inactive, but other widgets load when the page loads.
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Unlike tab panels, there is no "tab panel style" property for tab layouts. Tab layout styles must be implemented entirely via CSS. Currently the "Glass" and "Simple" styles are predefined in the profoundui.css stylesheet.
ontabclick
See ontabclick event (Tab Panel) for more. Widgets in the new tab are not made visible until after the ontabclick code runs.
Internet Explorer 8
The tab layout does not render correctly for users in Internet Explorer 8 out of the box, because it uses newer CSS features; e.g. "calc(100% - 24px)". IE8 does not support that CSS feature. Also, as of Version 6 Fix Pack 1.0, Profound UI no longer supports IE8 and IE9.
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