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author | Max Kanat-Alexander <mkanat@bugzilla.org> | 2011-08-09 23:19:43 +0200 |
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committer | Max Kanat-Alexander <mkanat@bugzilla.org> | 2011-08-09 23:19:43 +0200 |
commit | 80c6d150b42ae5d9ba7464c5e20023cc90388259 (patch) | |
tree | 77df9794d444fbc861f53aa0240128a53f9d6467 /js/util.js | |
parent | 93175c689f0349d879b3dfca5bd0236c19b73855 (diff) | |
download | bugzilla-80c6d150b42ae5d9ba7464c5e20023cc90388259.tar.gz bugzilla-80c6d150b42ae5d9ba7464c5e20023cc90388259.tar.xz |
Bug 636416: Use the standard value-controller javascript to control the
drop-down fields on the Advanced Search page.
r=glob, a=mkanat
Diffstat (limited to 'js/util.js')
-rw-r--r-- | js/util.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/util.js b/js/util.js index 6dcabbbc9..56649ac66 100644 --- a/js/util.js +++ b/js/util.js @@ -220,6 +220,34 @@ function bz_valueSelected(aSelect, aValue) { } /** + * Returns all Option elements that are selected in a <select>, + * as an array. Returns an empty array if nothing is selected. + * + * @param aSelect The select you want the selected values of. + */ +function bz_selectedOptions(aSelect) { + // HTML 5 + if (aSelect.selectedOptions) { + return aSelect.selectedOptions; + } + + var start_at = aSelect.selectedIndex; + if (start_at == -1) return []; + var first_selected = aSelect.options[start_at]; + if (!aSelect.multiple) return first_selected; + // selectedIndex is specified as being the "first selected item", + // so we can start from there. + var selected = [first_selected]; + var options_length = aSelect.options.length; + // We start after first_selected + for (var i = start_at + 1; i < options_length; i++) { + var this_option = aSelect.options[i]; + if (this_option.selected) selected.push(this_option); + } + return selected; +} + +/** * Tells you where (what index) in a <select> a particular option is. * Returns -1 if the value is not in the <select> * |