68 lines
2.6 KiB
JavaScript
68 lines
2.6 KiB
JavaScript
define(["backbone", "underscore", "gettext"], function(Backbone, _, gettext) {
|
|
|
|
var PagingHeader = Backbone.View.extend({
|
|
events : {
|
|
"click .next-page-link": "nextPage",
|
|
"click .previous-page-link": "previousPage"
|
|
},
|
|
|
|
initialize: function(options) {
|
|
var view = options.view,
|
|
collection = view.collection;
|
|
this.view = view;
|
|
this.template = _.template($("#paging-header-tpl").text());
|
|
collection.bind('add', _.bind(this.render, this));
|
|
collection.bind('remove', _.bind(this.render, this));
|
|
collection.bind('reset', _.bind(this.render, this));
|
|
},
|
|
|
|
render: function() {
|
|
var view = this.view,
|
|
collection = view.collection,
|
|
currentPage = collection.currentPage,
|
|
lastPage = collection.totalPages - 1,
|
|
messageHtml = this.messageHtml();
|
|
this.$el.html(this.template({
|
|
messageHtml: messageHtml
|
|
}));
|
|
this.$(".previous-page-link").toggleClass("is-disabled", currentPage === 0);
|
|
this.$(".next-page-link").toggleClass("is-disabled", currentPage === lastPage);
|
|
return this;
|
|
},
|
|
|
|
messageHtml: function() {
|
|
var view = this.view,
|
|
collection = view.collection,
|
|
start = collection.start,
|
|
count = collection.size(),
|
|
sortName = view.sortDisplayName(),
|
|
sortDirectionName = view.sortDirectionName(),
|
|
end = start + count,
|
|
total = collection.totalCount,
|
|
fmts = gettext('Showing %(current_span)s%(start)s-%(end)s%(end_span)s out of %(total_span)s%(total)s total%(end_span)s, sorted by %(order_span)s%(sort_order)s%(end_span)s %(sort_direction)s');
|
|
|
|
return '<p>' + interpolate(fmts, {
|
|
start: Math.min(start + 1, end),
|
|
end: end,
|
|
total: total,
|
|
sort_order: sortName,
|
|
sort_direction: sortDirectionName,
|
|
current_span: '<span class="count-current-shown">',
|
|
total_span: '<span class="count-total">',
|
|
order_span: '<span class="sort-order">',
|
|
end_span: '</span>'
|
|
}, true) + "</p>";
|
|
},
|
|
|
|
nextPage: function() {
|
|
this.view.nextPage();
|
|
},
|
|
|
|
previousPage: function() {
|
|
this.view.previousPage();
|
|
}
|
|
});
|
|
|
|
return PagingHeader;
|
|
}); // end define();
|