mirror of https://github.com/lidarr/Lidarr
147 lines
4.5 KiB
JavaScript
147 lines
4.5 KiB
JavaScript
'use strict';
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define([
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'app',
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'backgrid',
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'backgrid.paginator'
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], function () {
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NzbDrone.Shared.Grid.Pager = Backgrid.Extension.Paginator.extend({
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template: 'Shared/Grid/PagerTemplate',
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events: {
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'click .pager-btn': 'changePage'
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},
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windowSize: 1,
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fastForwardHandleLabels: {
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first: 'icon-fast-backward',
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prev : 'icon-backward',
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next : 'icon-forward',
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last : 'icon-fast-forward'
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},
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changePage: function (e) {
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e.preventDefault();
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var target = $(e.target);
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if (target.closest('li').hasClass('disabled')) {
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return;
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}
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var label = target.attr('data-action');
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var ffLabels = this.fastForwardHandleLabels;
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var collection = this.collection;
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if (ffLabels) {
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switch (label) {
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case 'first':
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collection.getFirstPage();
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return;
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case 'prev':
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if (collection.hasPrevious()) {
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collection.getPreviousPage();
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}
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return;
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case 'next':
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if (collection.hasNext()) {
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collection.getNextPage();
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}
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return;
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case 'last':
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collection.getLastPage();
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return;
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}
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}
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var state = collection.state;
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var pageIndex = $(e.target).text() * 1;
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collection.getPage(state.firstPage === 0 ? pageIndex - 1 :pageIndex);
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},
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makeHandles: function () {
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var handles = [];
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var collection = this.collection;
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var state = collection.state;
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// convert all indices to 0-based here
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var firstPage = state.firstPage;
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var lastPage = +state.lastPage;
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lastPage = Math.max(0, firstPage ? lastPage - 1 :lastPage);
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var currentPage = Math.max(state.currentPage, state.firstPage);
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currentPage = firstPage ? currentPage - 1 :currentPage;
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var windowStart = Math.floor(currentPage / this.windowSize) * this.windowSize;
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var windowEnd = Math.min(lastPage + 1, windowStart + this.windowSize);
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if (collection.mode !== 'infinite') {
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for (var i = windowStart; i < windowEnd; i++) {
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handles.push({
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label : i + 1,
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title : 'No. ' + (i + 1),
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className : currentPage === i ? 'active' :undefined,
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pageNumber: i + 1
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});
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}
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}
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var ffLabels = this.fastForwardHandleLabels;
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if (ffLabels) {
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if (ffLabels.prev) {
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handles.unshift({
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label : ffLabels.prev,
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className: collection.hasPrevious() ? void 0 :'disabled',
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action : 'prev'
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});
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}
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if (ffLabels.first) {
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handles.unshift({
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label : ffLabels.first,
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className: collection.hasPrevious() ? void 0 :'disabled',
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action : 'first'
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});
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}
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if (ffLabels.next) {
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handles.push({
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label : ffLabels.next,
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className: collection.hasNext() ? void 0 :'disabled',
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action : 'next'
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});
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}
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if (ffLabels.last) {
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handles.push({
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label : ffLabels.last,
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className: collection.hasNext() ? void 0 :'disabled',
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action : 'last'
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});
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}
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}
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return handles;
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},
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render: function () {
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this.$el.empty();
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var templateFunction = Marionette.TemplateCache.get(this.template);
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this.$el.html(templateFunction({
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handles: this.makeHandles()
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}));
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this.delegateEvents();
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return this;
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}
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});
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return NzbDrone.Shared.Grid.Pager;
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});
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