141 lines
4.0 KiB
JavaScript
141 lines
4.0 KiB
JavaScript
/*
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* Context.js
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* Copyright Jacob Kelley
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* MIT License
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*/
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var context = context || (function () {
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var options = {
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fadeSpeed: 100,
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filter: function ($obj) {
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// Modify $obj, Do not return
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},
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above: 'auto',
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preventDoubleContext: true,
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compress: false
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};
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function initialize(opts) {
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options = $.extend({}, options, opts);
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$(document).on('click', 'html', function () {
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$('.dropdown-context').fadeOut(options.fadeSpeed, function(){
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$('.dropdown-context').css({display:''}).find('.drop-left').removeClass('drop-left');
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});
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});
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if(options.preventDoubleContext){
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$(document).on('contextmenu', '.dropdown-context', function (e) {
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e.preventDefault();
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});
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}
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$(document).on('mouseenter', '.dropdown-submenu', function(){
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var $sub = $(this).find('.dropdown-context-sub:first'),
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subWidth = $sub.width(),
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subLeft = $sub.offset().left,
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collision = (subWidth+subLeft) > window.innerWidth;
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if(collision){
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$sub.addClass('drop-left');
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}
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});
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}
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function updateOptions(opts){
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options = $.extend({}, options, opts);
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}
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function buildMenu(data, id, subMenu) {
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var subClass = (subMenu) ? ' dropdown-context-sub' : '',
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compressed = options.compress ? ' compressed-context' : '',
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$menu = $('<ul class="dropdown-menu dropdown-context' + subClass + compressed+'" id="dropdown-' + id + '"></ul>');
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var i = 0, linkTarget = '';
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for(i; i<data.length; i++) {
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if (typeof data[i].divider !== 'undefined') {
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$menu.append('<li class="divider"></li>');
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} else if (typeof data[i].header !== 'undefined') {
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$menu.append('<li class="nav-header">' + data[i].header + '</li>');
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} else {
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if (typeof data[i].href == 'undefined') {
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data[i].href = '#';
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}
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if (typeof data[i].target !== 'undefined') {
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linkTarget = ' target="'+data[i].target+'"';
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}
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if (typeof data[i].subMenu !== 'undefined') {
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$sub = ('<li class="dropdown-submenu"><a tabindex="-1" href="' + data[i].href + '">' + data[i].text + '</a></li>');
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} else {
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$sub = $('<li><a tabindex="-1" href="' + data[i].href + '"'+linkTarget+'>' + data[i].text + '</a></li>');
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}
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if (typeof data[i].action !== 'undefined') {
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var actiond = new Date(),
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actionID = 'event-' + actiond.getTime() * Math.floor(Math.random()*100000),
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eventAction = data[i].action;
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$sub.find('a').attr('id', actionID);
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$('#' + actionID).addClass('context-event');
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$(document).on('click', '#' + actionID, eventAction);
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}
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$menu.append($sub);
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if (typeof data[i].subMenu != 'undefined') {
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var subMenuData = buildMenu(data[i].subMenu, id, true);
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$menu.find('li:last').append(subMenuData);
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}
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}
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if (typeof options.filter == 'function') {
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options.filter($menu.find('li:last'));
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}
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}
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return $menu;
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}
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function addContext(selector, data) {
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var d = new Date(),
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id = d.getTime(),
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$menu = buildMenu(data, id);
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$('body').append($menu);
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$(document).on('contextmenu', selector, function (e) {
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e.preventDefault();
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e.stopPropagation();
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$('.dropdown-context:not(.dropdown-context-sub)').hide();
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$dd = $('#dropdown-' + id);
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if (typeof options.above == 'boolean' && options.above) {
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$dd.addClass('dropdown-context-up').css({
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top: e.pageY - 20 - $('#dropdown-' + id).height(),
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left: e.pageX - 13
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}).fadeIn(options.fadeSpeed);
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} else if (typeof options.above == 'string' && options.above == 'auto') {
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$dd.removeClass('dropdown-context-up');
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var autoH = $dd.height() + 12;
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if ((e.pageY + autoH) > $('html').height()) {
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$dd.addClass('dropdown-context-up').css({
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top: e.pageY - 20 - autoH,
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left: e.pageX - 13
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}).fadeIn(options.fadeSpeed);
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} else {
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$dd.css({
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top: e.pageY + 10,
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left: e.pageX - 13
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}).fadeIn(options.fadeSpeed);
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}
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}
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});
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}
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function destroyContext(selector) {
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$(document).off('contextmenu', selector).off('click', '.context-event');
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}
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return {
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init: initialize,
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settings: updateOptions,
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attach: addContext,
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destroy: destroyContext
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};
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})(); |