98 lines
3.3 KiB
JavaScript
98 lines
3.3 KiB
JavaScript
/* ========================================================
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* bootstrap-breadcrumb.js v1.0.0
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* http://jeluard.github.com/bootstrap-breadcrumb/index.html
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* ========================================================
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* Copyright 2011 Julien Eluard, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ======================================================== */
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!function( $ ){
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"use strict"
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var Breadcrumb = function(element, options) {
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this.$element = $(element);
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this.settings = $.extend({}, $.fn.breadcrumb.defaults, options)
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}
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function value(argument, def) {
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return (typeof argument === 'undefined' ? def : argument);
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}
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function extractLabel(element) {
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var undecoratedLabel = element.firstChild.data
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if (undecoratedLabel === undefined) {
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return element.firstChild.firstChild.data;
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}
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return undecoratedLabel;
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}
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function extractPath(elements) {
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var path = new Array()
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for (var i = 0; i < elements.length; i++) {
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path.push(extractLabel(elements[i]));
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}
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return path;
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}
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Breadcrumb.prototype.push = function(label) {
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var path = extractPath(this.$element.children('li'));
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if (path.length > 0) {
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var last = this.$element.children(':last');
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var previousLabel = extractLabel(last[0]);
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last.remove();
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this.$element.append("<li data-breadcrumb-level='"+path.length+"'><a href='#'>"+previousLabel+"</a> <span class='divider'>"+this.settings.divider+"</span></li>");
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var local = this;
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this.$element.children('li').filter(':last')[0].firstChild.addEventListener('click', function(e) {
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var index = path.length-1;
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var iteration = local.$element.children('li').length-index;
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local.pop(iteration);
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}, false);
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}
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path.push(label);
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this.$element.append("<li data-breadcrumb-level='"+path.length+"' class='active'>"+label+"</li>");
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this.$element.trigger('change', [path]);
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}
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Breadcrumb.prototype.pop = function(iteration) {
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for (var i = 0; i < value(iteration, 1); i++) {
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var last = this.$element.children(':last');
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last.remove();
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}
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var last = this.$element.children(':last');
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var previousLabel = extractLabel(last[0]);
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last.remove();
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this.$element.append("<li data-breadcrumb-level='"+(this.$element.children().length+1)+"' class='active'>"+previousLabel+"</li>");
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this.$element.trigger('change', [extractPath(this.$element.children('li'))]);
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}
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Breadcrumb.prototype.reset = function() {
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this.$element.children('li').remove()
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this.$element.trigger('change');
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}
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/* BREADCRUMB PLUGIN DEFINITION
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* ============================ */
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$.fn.breadcrumb = function (options) {
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return new Breadcrumb(this, options);
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}
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$.fn.breadcrumb.defaults = {
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divider: '/',
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keyboard: false
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}
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}(window.jQuery || window.ender); |