Lidarr/UI/Mixins/backbone.Backgrid.mixin.js

244 lines
6.8 KiB
JavaScript

"use strict";
Backgrid.Column.prototype.defaults = {
name : undefined,
label : undefined,
sortable : true,
editable : false,
renderable: true,
formatter : undefined,
cell : undefined,
headerCell: 'nzbDrone'
};
Backgrid.NzbDroneHeaderCell = Backgrid.HeaderCell.extend({
events: {
'click': 'onClick'
},
render: function () {
this.$el.empty();
this.$el.append(this.column.get("label"));
if (this.column.get('sortable')) {
this.$el.addClass('clickable');
this.$el.append(" <i class='pull-right'></i>");
if (this.collection.state) {
var sortKey = this.collection.state.sortKey;
var sortDir = this._convertIntToDirection(this.collection.state.order);
if (sortKey === this.column.get('name')) {
this.$el.children('i').addClass(this._convertDirectionToIcon(sortDir));
this._direction = sortDir;
}
}
}
this.delegateEvents();
return this;
},
direction: function (dir) {
if (arguments.length) {
if (this._direction) {
this.$el.children('i').removeClass(this._convertDirectionToIcon(this._direction));
}
if (dir) {
this.$el.children('i').addClass(this._convertDirectionToIcon(dir));
}
this._direction = dir;
}
return this._direction;
},
onClick: function (e) {
e.preventDefault();
var columnName = this.column.get("name");
if (this.column.get("sortable")) {
if (this.direction() === "ascending") {
this.sort(columnName, "descending", function (left, right) {
var leftVal = left.get(columnName);
var rightVal = right.get(columnName);
if (leftVal === rightVal) {
return 0;
}
else if (leftVal > rightVal) {
return -1;
}
return 1;
});
}
else {
this.sort(columnName, "ascending", function (left, right) {
var leftVal = left.get(columnName);
var rightVal = right.get(columnName);
if (leftVal === rightVal) {
return 0;
}
else if (leftVal < rightVal) {
return -1;
}
return 1;
});
}
}
},
_convertDirectionToIcon: function (dir) {
if (dir === 'ascending') {
return 'icon-sort-up';
}
return 'icon-sort-down';
},
_convertIntToDirection: function (dir) {
if (dir === '-1') {
return 'ascending';
}
return 'descending';
}
});
Backgrid.NzbDronePaginator = Backgrid.Extension.Paginator.extend({
template: 'Shared/BackgridPaginatorTemplate',
events: {
"click .pager-btn": "changePage"
},
windowSize: 1,
fastForwardHandleLabels: {
first: 'icon-fast-backward',
prev : 'icon-backward',
next : 'icon-forward',
last : 'icon-fast-forward'
},
changePage: function (e) {
e.preventDefault();
var target = $(e.target);
if (target.closest('li').hasClass('disabled')) {
return;
}
var label = target.attr('data-action');
var ffLabels = this.fastForwardHandleLabels;
var collection = this.collection;
if (ffLabels) {
switch (label) {
case 'first':
collection.getFirstPage();
return;
case 'prev':
if (collection.hasPrevious()) {
collection.getPreviousPage();
}
return;
case 'next':
if (collection.hasNext()) {
collection.getNextPage();
}
return;
case 'last':
collection.getLastPage();
return;
}
}
var state = collection.state;
var pageIndex = $(e.target).text() * 1;
collection.getPage(state.firstPage === 0 ? pageIndex - 1 :pageIndex);
},
makeHandles: function () {
var handles = [];
var collection = this.collection;
var state = collection.state;
// convert all indices to 0-based here
var firstPage = state.firstPage;
var lastPage = +state.lastPage;
lastPage = Math.max(0, firstPage ? lastPage - 1 : lastPage);
var currentPage = Math.max(state.currentPage, state.firstPage);
currentPage = firstPage ? currentPage - 1 : currentPage;
var windowStart = Math.floor(currentPage / this.windowSize) * this.windowSize;
var windowEnd = Math.min(lastPage + 1, windowStart + this.windowSize);
if (collection.mode !== "infinite") {
for (var i = windowStart; i < windowEnd; i++) {
handles.push({
label: i + 1,
title: "No. " + (i + 1),
className: currentPage === i ? "active" : undefined,
pageNumber: i + 1
});
}
}
var ffLabels = this.fastForwardHandleLabels;
if (ffLabels) {
if (ffLabels.prev) {
handles.unshift({
label: ffLabels.prev,
className: collection.hasPrevious() ? void 0 : "disabled",
action: 'prev'
});
}
if (ffLabels.first) {
handles.unshift({
label: ffLabels.first,
className: collection.hasPrevious() ? void 0 : "disabled",
action: 'first'
});
}
if (ffLabels.next) {
handles.push({
label: ffLabels.next,
className: collection.hasNext() ? void 0 : "disabled",
action: 'next'
});
}
if (ffLabels.last) {
handles.push({
label: ffLabels.last,
className: collection.hasNext() ? void 0 : "disabled",
action: 'last'
});
}
}
return handles;
},
render: function () {
this.$el.empty();
var templateFunction = Marionette.TemplateCache.get(this.template);
this.$el.html(templateFunction({
handles: this.makeHandles()
}));
this.delegateEvents();
return this;
}
});