Forked from trantorLiu/handlebars-pagination-helper.js
Created
September 11, 2013 11:39
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Handlebars.registerHelper('pagination', function(currentPage, totalPage, size, options) { | |
var startPage, endPage, context; | |
if (arguments.length === 3) { | |
options = size; | |
size = 5; | |
} | |
startPage = currentPage - Math.floor(size / 2); | |
endPage = currentPage + Math.floor(size / 2); | |
if (startPage <= 0) { | |
endPage -= (startPage - 1); | |
startPage = 1; | |
} | |
if (endPage > totalPage) { | |
endPage = totalPage; | |
if (endPage - size + 1 > 0) { | |
startPage = endPage - size + 1; | |
} else { | |
startPage = 1; | |
} | |
} | |
context = { | |
startFromFirstPage: false, | |
pages: [], | |
endAtLastPage: false, | |
}; | |
if (startPage === 1) { | |
context.startFromFirstPage = true; | |
} | |
for (var i = startPage; i <= endPage; i++) { | |
context.pages.push({ | |
page: i, | |
isCurrent: i === currentPage, | |
}); | |
} | |
if (endPage === totalPage) { | |
context.endAtLastPage = true; | |
} | |
return options.fn(context); | |
}); |
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// currentPage = 1, pageCount = 25, size = 5 | |
[1] 2 3 4 5 > | |
// currentPage = 16, pageCount = 25, size = 5 | |
< 14 15 [16] 17 18 > |
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{{#pagination currentPage pageCount size}} | |
<div class="pagination"> | |
{{#unless startFromFirstPage}} | |
<a href="#"><</a> | |
{{/unless}} | |
{{#each pages}} | |
{{#if isCurrent}} | |
[<a href="#">{{page}}</a>] | |
{{/if}} | |
{{#unless isCurrent}} | |
<a href="#">{{page}}</a> | |
{{/unless}} | |
{{/each}} | |
{{#unless endAtLastPage}} | |
<a href="#">></a> | |
{{/unless}} | |
</div> | |
{{/pagination}} |
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