У меня есть эта таблица:Угловая пагинация обратный прыжки
Вот код и Fiddle:
HTML
<table class="table table-striped table-condensed table-hover">
<thead>
<tr>
<th class="id">Id <a ng-click="sort_by('id')"><i class="icon-sort"></i></a></th>
<th class="name">Name <a ng-click="sort_by('name')"><i class="icon-sort"></i></a></th>
<th class="description">Description <a ng-click="sort_by('description')"><i class="icon-sort"></i></a></th>
<th class="field3">Field 3 <a ng-click="sort_by('field3')"><i class="icon-sort"></i></a></th>
<th class="field4">Field 4 <a ng-click="sort_by('field4')"><i class="icon-sort"></i></a></th>
<th class="field5">Field 5 <a ng-click="sort_by('field5')"><i class="icon-sort"></i></a></th>
</tr>
</thead>
<tfoot>
<td colspan="6">
<div class="pagination pull-right">
<ul>
<li ng-class="{disabled: currentPage == 0}">
<a href ng-click="prevPage()">« Prev</a>
</li>
<li ng-repeat="n in range(pagedItems.length, currentPage, currentPage + gap) "
ng-class="{active: n == currentPage}"
ng-click="setPage()">
<a href ng-bind="n + 1">1</a>
</li>
<li ng-class="{disabled: (currentPage) == pagedItems.length - 1}">
<a href ng-click="nextPage()">Next »</a>
</li>
</ul>
</div>
</td>
</tfoot>
<pre>pagedItems.length: {{pagedItems.length|json}}</pre>
<pre>currentPage: {{currentPage|json}}</pre>
<tbody>
<tr ng-repeat="item in pagedItems[currentPage] | orderBy:sortingOrder:reverse">
<td>{{item.id}}</td>
<td>{{item.name}}</td>
<td>{{item.description}}</td>
<td>{{item.field3}}</td>
<td>{{item.field4}}</td>
<td>{{item.field5}}</td>
</tr>
</tbody>
</table>
JS
function ctrlRead($scope, $filter) {
// init
$scope.sortingOrder = 'name';
$scope.gap = 5;
$scope.cached = 0;
$scope.reverse = false;
$scope.filteredItems = [];
$scope.groupedItems = [];
$scope.itemsPerPage = 5;
$scope.pagedItems = [];
$scope.currentPage = 0;
$scope.items = [
{"id":1,"name":"name 1","description":"description 1","field3":"field3 1","field4":"field4 1","field5 ":"field5 1"},
{"id":2,"name":"name 2","description":"description 1","field3":"field3 2","field4":"field4 2","field5 ":"field5 2"},
//....
];
var searchMatch = function (haystack, needle) {
if (!needle) {
return true;
}
return haystack.toLowerCase().indexOf(needle.toLowerCase()) !== -1;
};
// init the filtered items
$scope.search = function() {
$scope.filteredItems = $filter('filter')($scope.items, function (item) {
for(var attr in item) {
if (searchMatch(item[attr], $scope.query))
return true;
}
return false;
});
// take care of the sorting order
if ($scope.sortingOrder !== '') {
$scope.filteredItems = $filter('orderBy')($scope.filteredItems, $scope.sortingOrder, $scope.reverse);
}
$scope.currentPage = 0;
// now group by pages
$scope.groupToPages();
};
// calculate page in place
$scope.groupToPages = function() {
$scope.pagedItems = [];
for (var i = 0; i < $scope.filteredItems.length; i++) {
if (i % $scope.itemsPerPage === 0) {
$scope.pagedItems[Math.floor(i/$scope.itemsPerPage)] = [ $scope.filteredItems[i] ];
} else {
$scope.pagedItems[Math.floor(i/$scope.itemsPerPage)].push($scope.filteredItems[i]);
}
}
};
$scope.range = function (size,start, end) {
if($scope.cached == start){
start = start - 4;
console.log('start',start);
}
$scope.cached = start;
var ret = [];
console.log(size,start, end);
if(size < 2){return ret;}
if (size < end) {
end = size;
start = size-$scope.gap;
}
for (var i = start; i < end; i++) {
if(i<0) continue;
ret.push(i);
}
console.log(ret);
return ret;
};
$scope.prevPage = function() {
if ($scope.currentPage > 0) {
$scope.currentPage--;
}
};
$scope.nextPage = function() {
if ($scope.currentPage < $scope.pagedItems.length - 1) {
$scope.currentPage++;
}
};
$scope.setPage = function() {
$scope.currentPage = this.n;
};
// functions have been describe process the data for display
$scope.search();
// change sorting order
$scope.sort_by = function(newSortingOrder) {
if ($scope.sortingOrder == newSortingOrder)
$scope.reverse = !$scope.reverse;
$scope.sortingOrder = newSortingOrder;
};
};
ctrlRead.$inject = ['$scope', '$filter'];
Из кода видно, что у нас есть 13 групп по 5 рядов.
Если я нажимаю на разбивку на страницы 5, кнопка 5
переходит на 1-е место, а последнее место - 9
.
Таким образом, я могу быстро «путешествовать» по всем данным.
Моя проблема в том, что я не знаю, как сделать это, чтобы прыгнуть назад.
Например, если я останусь на 13:
и жму на 9
Я ожидаю, что 9
будет прыгать до конца пагинацией и 1-го элемента в списке будет 5
.
Как достичь этого?
Спасибо,