| 1 | // Copyright 2012 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // copied from $GOROOT/doc/godocs.js |
| 6 | |
| 7 | function bindEvent(el, e, fn) { |
| 8 | if (el.addEventListener) { |
| 9 | el.addEventListener(e, fn, false); |
| 10 | } else if (el.attachEvent) { |
| 11 | el.attachEvent('on' + e, fn); |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | function godocs_bindSearchEvents() { |
| 16 | var search = document.getElementById('search'); |
| 17 | if (!search) { |
| 18 | // no search box (index disabled) |
| 19 | return; |
| 20 | } |
| 21 | function clearInactive() { |
| 22 | if (search.className == 'inactive') { |
| 23 | search.value = ''; |
| 24 | search.className = ''; |
| 25 | } |
| 26 | } |
| 27 | function restoreInactive() { |
| 28 | if (search.value !== '') { |
| 29 | return; |
| 30 | } |
| 31 | if (search.type != 'search') { |
| 32 | search.value = search.getAttribute('placeholder'); |
| 33 | } |
| 34 | search.className = 'inactive'; |
| 35 | } |
| 36 | restoreInactive(); |
| 37 | bindEvent(search, 'focus', clearInactive); |
| 38 | bindEvent(search, 'blur', restoreInactive); |
| 39 | } |
| 40 | |
| 41 | bindEvent(window, 'load', godocs_bindSearchEvents); |
| 42 |
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