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updated backgrid, pageable

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This commit is contained in:
kay.one 2013-05-12 08:22:54 -07:00
parent 30a55c465a
commit 9515064f14
4 changed files with 616 additions and 282 deletions
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73
UI/JsLibraries/backbone.backgrid.paginator.js
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@ -52,23 +52,12 @@
Initializer.
@param {Object} options
@param {Backbone.Collection.<Backgrid.Column>|Array.<Backgrid.Column>|Array.<Object>} options.columns
Column metadata.
@param {Backbone.Collection} options.collection
@param {boolean} [options.fastForwardHandleLabels] Whether to render fast forward buttons.
*/
initialize: function (options) {
//Backgrid.requireOptions(options, ["columns", "collection"]);
Backgrid.requireOptions(options, ["collection"]);
this.columns = options.columns;
if (!(this.columns instanceof Backbone.Collection)) {
this.columns = new Backgrid.Columns(this.columns);
}
var columns = this.columns;
this.listenTo(columns, "add", this.render);
this.listenTo(columns, "remove", this.render);
this.listenTo(columns, "change:renderable", this.render);
var collection = this.collection;
var fullCollection = collection.fullCollection;
if (fullCollection) {
@ -92,31 +81,35 @@
changePage: function (e) {
e.preventDefault();
var label = $(e.target).text();
var ffLabels = this.fastForwardHandleLabels;
var $li = $(e.target).parent();
if (!$li.hasClass("active") && !$li.hasClass("disabled")) {
var collection = this.collection;
var label = $(e.target).text();
var ffLabels = this.fastForwardHandleLabels;
if (ffLabels) {
switch (label) {
case ffLabels.first:
collection.getFirstPage();
return;
case ffLabels.prev:
if (collection.hasPrevious()) collection.getPreviousPage();
return;
case ffLabels.next:
if (collection.hasNext()) collection.getNextPage();
return;
case ffLabels.last:
collection.getLastPage();
return;
var collection = this.collection;
if (ffLabels) {
switch (label) {
case ffLabels.first:
collection.getFirstPage();
return;
case ffLabels.prev:
collection.getPreviousPage();
return;
case ffLabels.next:
collection.getNextPage();
return;
case ffLabels.last:
collection.getLastPage();
return;
}
}
}
var state = collection.state;
var pageIndex = $(e.target).text() * 1;
collection.getPage(state.firstPage === 0 ? pageIndex - 1 : pageIndex);
var state = collection.state;
var pageIndex = +label;
collection.getPage(state.firstPage === 0 ? pageIndex - 1 : pageIndex);
}
},
/**
@ -132,12 +125,13 @@
var state = collection.state;
// convert all indices to 0-based here
var lastPage = state.lastPage ? state.lastPage : state.firstPage;
lastPage = state.firstPage === 0 ? lastPage : lastPage - 1;
var currentPage = state.firstPage === 0 ? state.currentPage : state.currentPage - 1;
var firstPage = state.firstPage;
var lastPage = +state.lastPage;
lastPage = Math.max(0, firstPage ? lastPage - 1 : lastPage);
var currentPage = Math.max(state.currentPage, state.firstPage);
currentPage = firstPage ? currentPage - 1 : currentPage;
var windowStart = Math.floor(currentPage / this.windowSize) * this.windowSize;
var windowEnd = windowStart + this.windowSize;
windowEnd = windowEnd <= lastPage ? windowEnd : lastPage + 1;
var windowEnd = Math.min(lastPage + 1, windowStart + this.windowSize);
if (collection.mode !== "infinite") {
for (var i = windowStart; i < windowEnd; i++) {
@ -185,8 +179,7 @@
},
/**
Render the paginator handles inside an unordered list placed inside a
cell that spans all the columns.
Render the paginator handles inside an unordered list.
*/
render: function () {
this.$el.empty();