javascript - Gmail like Checkbox functionality -


i want implement gmail checkbox functionality: in if checkall checkbox clicked, listed checkbox selected/unselected, if listed checkbox selected, checkall checkbox checked. , if checkbox checked, - sign checkbox appear.

i have implement logic using div. here logic: html:

<table id="viewtable" class="tableeffectfull">     <thead>         <tr>             <th class="selectcol"><div class="uncheckedcheckboxall"></div></th>             <th class="noscol">products</th>         </tr>     </thead>     <tr>         <td><div class="uncheckedcheckbox"></div></td>         <td>abcd</td>     </tr>     <tr>         <td><div class="uncheckedcheckbox"></div></td>         <td>pqrs</td>     </tr> </table>

css:

.uncheckedcheckbox{    width: 25px;    height: 25px;    margin-top: -4px;    background: transparent url(images/prettycheckable-green.png) top left no-repeat; } .checkedcheckbox{    background: transparent url(images/prettycheckable-green.png) 0 -60px; } .uncheckedcheckboxall{    width: 25px;    height: 25px;    margin-top: -4px;    background: transparent url(images/checkable-green.png) top left no-repeat; } .checkedcheckboxall{    background: transparent url(images/checkable-green.png) 0 -60px; }

script: //updated scripts:

$(".uncheckedcheckbox").click(function () {   $(this).toggleclass('checkedcheckbox');   $('.uncheckedcheckboxall').toggleclass('checkedcheckboxall', $('.checkedcheckbox').length == $(".uncheckedcheckbox").length) }); $(".uncheckedcheckboxall").click(function () {   $(this).toggleclass('checkedcheckboxall');   $('.uncheckedcheckbox').toggleclass('checkedcheckbox') });

now problem not getting if listed checkbox selected, make checkedall checkbox checked , if checked highlighted checkbox display in checkedall.

below image using:

image

try

http://jsfiddle.net/vrka3/1/

i have changed script :

$(".uncheckedcheckbox").click(function () { $(this).toggleclass('checkedcheckbox'); if ($('.checkedcheckbox').length == 2) {     $('.checkboxall').addclass('checkedcheckboxall').removeclass('minuscheckboxall') } else {     $('.checkboxall').removeclass('checkedcheckboxall')     if ($('.checkedcheckbox').length == 0)  $('.checkboxall').removeclass('minuscheckboxall')         else $('.checkboxall').addclass('minuscheckboxall')     } });  $(".checkboxall").click(function () {     $(this).removeclass('minuscheckboxall')     $(this).toggleclass('checkedcheckboxall');     $('.uncheckedcheckbox').toggleclass('checkedcheckbox',   $(this).is('.checkedcheckboxall')) });

added 2 new css classes too...

.uncheckedcheckbox {     width: 25px;     height: 25px;     margin-top: -4px;     background: red top left no-repeat; } .checkedcheckbox {     background: pink 0 -60px; } .checkboxall {     background: white; } .uncheckedcheckboxall {     width: 25px;     height: 25px;     margin-top: -4px;     background: blue top left no-repeat; } .checkedcheckboxall {     background: black 0 -60px; } .minuscheckboxall {     background: green 0 -60px; }

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