first commit
This commit is contained in:
pakerpale
689
public/assets/adm/js/jquery.nestable.js
Executable file
689
public/assets/adm/js/jquery.nestable.js
Executable file
@@ -0,0 +1,689 @@
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/*!
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* Nestable jQuery Plugin - Copyright (c) 2014 Ramon Smit - https://github.com/RamonSmit/Nestable
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*/
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;
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(function($, window, document, undefined) {
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var hasTouch = 'ontouchstart' in document;
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/**
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* Detect CSS pointer-events property
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* events are normally disabled on the dragging element to avoid conflicts
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* https://github.com/ausi/Feature-detection-technique-for-pointer-events/blob/master/modernizr-pointerevents.js
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*/
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var hasPointerEvents = (function() {
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var el = document.createElement('div'),
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docEl = document.documentElement;
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if(!('pointerEvents' in el.style)) {
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return false;
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}
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el.style.pointerEvents = 'auto';
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el.style.pointerEvents = 'x';
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docEl.appendChild(el);
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var supports = window.getComputedStyle && window.getComputedStyle(el, '').pointerEvents === 'auto';
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docEl.removeChild(el);
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return !!supports;
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})();
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var eStart = hasTouch ? 'touchstart' : 'mousedown',
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eMove = hasTouch ? 'touchmove' : 'mousemove',
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eEnd = hasTouch ? 'touchend' : 'mouseup',
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eCancel = hasTouch ? 'touchcancel' : 'mouseup';
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var defaults = {
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contentCallback: function(item) {return item.content || '' ? item.content : item.id;},
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listNodeName: 'ol',
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itemNodeName: 'li',
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handleNodeName: 'div',
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contentNodeName: 'span',
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rootClass: 'dd',
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listClass: 'dd-list',
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itemClass: 'dd-item',
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dragClass: 'dd-dragel',
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handleClass: 'dd-handle',
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contentClass: 'dd-content',
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collapsedClass: 'dd-collapsed',
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placeClass: 'dd-placeholder',
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noDragClass: 'dd-nodrag',
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noChildrenClass: 'dd-nochildren',
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emptyClass: 'dd-empty',
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expandBtnHTML: '<button data-action="expand" type="button">Expand</button>',
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collapseBtnHTML: '<button data-action="collapse" type="button">Collapse</button>',
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group: 0,
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maxDepth: 5,
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threshold: 20,
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fixedDepth: false, //fixed item's depth
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fixed: false,
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includeContent: false,
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callback: function(l, e) {},
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listRenderer: function(children, options) {
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var html = '<' + options.listNodeName + ' class="' + options.listClass + '">';
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html += children;
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html += '</' + options.listNodeName + '>';
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return html;
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},
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itemRenderer: function(item_attrs, content, children, options, item) {
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var item_attrs_string = $.map(item_attrs, function(value, key) {
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return ' ' + key + '="' + value + '"';
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}).join(' ');
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var html = '<' + options.itemNodeName + item_attrs_string + '>';
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html += '<' + options.handleNodeName + ' class="' + options.handleClass + '">';
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html += '<' + options.contentNodeName + ' class="' + options.contentClass + '">';
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html += content;
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html += '</' + options.contentNodeName + '>';
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html += '</' + options.handleNodeName + '>';
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html += children;
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html += '</' + options.itemNodeName + '>';
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return html;
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}
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};
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function Plugin(element, options) {
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this.w = $(document);
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this.el = $(element);
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if(!options) {
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options = defaults;
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}
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if(options.rootClass !== undefined && options.rootClass !== 'dd') {
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options.listClass = options.listClass ? options.listClass : options.rootClass + '-list';
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options.itemClass = options.itemClass ? options.itemClass : options.rootClass + '-item';
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options.dragClass = options.dragClass ? options.dragClass : options.rootClass + '-dragel';
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options.handleClass = options.handleClass ? options.handleClass : options.rootClass + '-handle';
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options.collapsedClass = options.collapsedClass ? options.collapsedClass : options.rootClass + '-collapsed';
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options.placeClass = options.placeClass ? options.placeClass : options.rootClass + '-placeholder';
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options.noDragClass = options.noDragClass ? options.noDragClass : options.rootClass + '-nodrag';
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options.noChildrenClass = options.noChildrenClass ? options.noChildrenClass : options.rootClass + '-nochildren';
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options.emptyClass = options.emptyClass ? options.emptyClass : options.rootClass + '-empty';
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}
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this.options = $.extend({}, defaults, options);
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// build HTML from serialized JSON if passed
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if(this.options.json !== undefined) {
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this._build();
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}
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this.init();
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}
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Plugin.prototype = {
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init: function() {
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var list = this;
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list.reset();
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list.el.data('nestable-group', this.options.group);
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list.placeEl = $('<div class="' + list.options.placeClass + '"/>');
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$.each(this.el.find(list.options.itemNodeName), function(k, el) {
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var item = $(el),
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parent = item.parent();
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list.setParent(item);
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if(parent.hasClass(list.options.collapsedClass)) {
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list.collapseItem(parent.parent());
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}
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});
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list.el.on('click', 'button', function(e) {
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if(list.dragEl || (!hasTouch && e.button !== 0)) {
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return;
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}
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var target = $(e.currentTarget),
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action = target.data('action'),
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item = target.parent(list.options.itemNodeName);
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if(action === 'collapse') {
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list.collapseItem(item);
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}
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if(action === 'expand') {
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list.expandItem(item);
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}
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});
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var onStartEvent = function(e) {
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var handle = $(e.target);
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if(!handle.hasClass(list.options.handleClass)) {
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if(handle.closest('.' + list.options.noDragClass).length) {
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return;
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}
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handle = handle.closest('.' + list.options.handleClass);
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}
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if(!handle.length || list.dragEl || (!hasTouch && e.which !== 1) || (hasTouch && e.touches.length !== 1)) {
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return;
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}
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e.preventDefault();
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list.dragStart(hasTouch ? e.touches[0] : e);
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};
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var onMoveEvent = function(e) {
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if(list.dragEl) {
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e.preventDefault();
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list.dragMove(hasTouch ? e.touches[0] : e);
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}
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};
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var onEndEvent = function(e) {
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if(list.dragEl) {
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e.preventDefault();
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list.dragStop(hasTouch ? e.touches[0] : e);
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}
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};
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if(hasTouch) {
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list.el[0].addEventListener(eStart, onStartEvent, false);
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window.addEventListener(eMove, onMoveEvent, false);
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window.addEventListener(eEnd, onEndEvent, false);
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window.addEventListener(eCancel, onEndEvent, false);
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}
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else {
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list.el.on(eStart, onStartEvent);
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list.w.on(eMove, onMoveEvent);
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list.w.on(eEnd, onEndEvent);
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}
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},
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_build: function() {
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function escapeHtml(text) {
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var map = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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"'": '''
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};
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return text + "".replace(/[&<>"']/g, function(m) { return map[m]; });
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}
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function filterClasses(classes) {
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var new_classes = {};
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for(var k in classes) {
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// Remove duplicates
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new_classes[classes[k]] = classes[k];
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}
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return new_classes;
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}
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function createClassesString(item, options) {
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var classes = item.classes || {};
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if(typeof classes == 'string') {
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classes = [classes];
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}
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var item_classes = filterClasses(classes);
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item_classes[options.itemClass] = options.itemClass;
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// create class string
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return $.map(item_classes, function(val) {
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return val;
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}).join(' ');
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}
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function createDataAttrs(attr) {
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attr = $.extend({}, attr);
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delete attr.children;
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delete attr.classes;
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delete attr.content;
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var data_attrs = {};
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$.each(attr, function(key, value) {
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if(typeof value == 'object') {
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value = JSON.stringify(value);
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}
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data_attrs["data-" + key] = escapeHtml(value);
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});
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return data_attrs;
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}
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function buildList(items, options) {
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if(!items) {
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return '';
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}
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var children = '';
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$.each(items, function(index, sub) {
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children += buildItem(sub, options);
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});
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return options.listRenderer(children, options);
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}
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function buildItem(item, options) {
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var item_attrs = createDataAttrs(item);
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item_attrs["class"] = createClassesString(item, options);
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var content = options.contentCallback(item);
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var children = buildList(item.children, options);
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return options.itemRenderer(item_attrs, content, children, options, item);
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}
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var json = this.options.json;
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if(typeof json == 'string') {
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json = JSON.parse(json);
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}
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$(this.el).html(buildList(json, this.options));
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},
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serialize: function() {
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var data, list = this, step = function(level) {
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var array = [],
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items = level.children(list.options.itemNodeName);
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items.each(function() {
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var li = $(this),
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item = $.extend({}, li.data()),
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sub = li.children(list.options.listNodeName);
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if(list.options.includeContent) {
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var content = li.find('.' + list.options.contentClass).html();
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if(content) {
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item.content = content;
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}
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}
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if(sub.length) {
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item.children = step(sub);
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}
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array.push(item);
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});
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return array;
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};
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data = step(list.el.find(list.options.listNodeName).first());
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return data;
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},
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returnOptions: function() {
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return this.options;
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},
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serialise: function() {
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return this.serialize();
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},
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reset: function() {
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this.mouse = {
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offsetX: 0,
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offsetY: 0,
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startX: 0,
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startY: 0,
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lastX: 0,
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lastY: 0,
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nowX: 0,
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nowY: 0,
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distX: 0,
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distY: 0,
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dirAx: 0,
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dirX: 0,
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dirY: 0,
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lastDirX: 0,
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lastDirY: 0,
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distAxX: 0,
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distAxY: 0
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};
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this.moving = false;
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this.dragEl = null;
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this.dragRootEl = null;
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this.dragDepth = 0;
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this.hasNewRoot = false;
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this.pointEl = null;
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},
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expandItem: function(li) {
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li.removeClass(this.options.collapsedClass);
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li.children('[data-action="expand"]').hide();
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li.children('[data-action="collapse"]').show();
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li.children(this.options.listNodeName).show();
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},
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collapseItem: function(li) {
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var lists = li.children(this.options.listNodeName);
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if(lists.length) {
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li.addClass(this.options.collapsedClass);
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li.children('[data-action="collapse"]').hide();
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li.children('[data-action="expand"]').show();
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li.children(this.options.listNodeName).hide();
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}
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},
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expandAll: function() {
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var list = this;
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list.el.find(list.options.itemNodeName).each(function() {
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list.expandItem($(this));
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});
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},
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collapseAll: function() {
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var list = this;
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list.el.find(list.options.itemNodeName).each(function() {
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list.collapseItem($(this));
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});
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},
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setParent: function(li) {
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if(li.children(this.options.listNodeName).length) {
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li.prepend($(this.options.expandBtnHTML));
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li.prepend($(this.options.collapseBtnHTML));
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}
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li.children('[data-action="expand"]').hide();
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},
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unsetParent: function(li) {
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li.removeClass(this.options.collapsedClass);
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li.children('[data-action]').remove();
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li.children(this.options.listNodeName).remove();
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},
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dragStart: function(e) {
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var mouse = this.mouse,
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target = $(e.target),
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dragItem = target.closest(this.options.itemNodeName);
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this.placeEl.css('height', dragItem.height());
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mouse.offsetX = e.pageX - dragItem.offset().left;
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mouse.offsetY = e.pageY - dragItem.offset().top;
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mouse.startX = mouse.lastX = e.pageX;
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mouse.startY = mouse.lastY = e.pageY;
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this.dragRootEl = this.el;
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this.dragEl = $(document.createElement(this.options.listNodeName)).addClass(this.options.listClass + ' ' + this.options.dragClass);
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this.dragEl.css('width', dragItem.outerWidth());
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this.setIndexOfItem(dragItem);
|
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// fix for zepto.js
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//dragItem.after(this.placeEl).detach().appendTo(this.dragEl);
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dragItem.after(this.placeEl);
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dragItem[0].parentNode.removeChild(dragItem[0]);
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dragItem.appendTo(this.dragEl);
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$(document.body).append(this.dragEl);
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this.dragEl.css({
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'left': e.pageX - mouse.offsetX,
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'top': e.pageY - mouse.offsetY
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});
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// total depth of dragging item
|
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var i, depth,
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items = this.dragEl.find(this.options.itemNodeName);
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for(i = 0; i < items.length; i++) {
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depth = $(items[i]).parents(this.options.listNodeName).length;
|
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if(depth > this.dragDepth) {
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this.dragDepth = depth;
|
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}
|
||||
}
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},
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setIndexOfItem: function(item, index) {
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if((typeof index) === 'undefined') {
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index = [];
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}
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index.unshift(item.index());
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if($(item[0].parentNode)[0] !== this.dragRootEl[0]) {
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this.setIndexOfItem($(item[0].parentNode), index);
|
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}
|
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else {
|
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this.dragEl.data('indexOfItem', index);
|
||||
}
|
||||
},
|
||||
|
||||
restoreItemAtIndex: function(dragElement) {
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var indexArray = this.dragEl.data('indexOfItem'),
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currentEl = this.el;
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|
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for(i = 0; i < indexArray.length; i++) {
|
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if((indexArray.length - 1) === parseInt(i)) {
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placeElement(currentEl, dragElement);
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return
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}
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currentEl = currentEl[0].children[indexArray[i]];
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}
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function placeElement(currentEl, dragElement) {
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if(indexArray[indexArray.length - 1] === 0) {
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$(currentEl).prepend(dragElement.clone());
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}
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else {
|
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$(currentEl.children[indexArray[indexArray.length - 1] - 1]).after(dragElement.clone());
|
||||
}
|
||||
}
|
||||
},
|
||||
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||||
dragStop: function(e) {
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||||
// fix for zepto.js
|
||||
//this.placeEl.replaceWith(this.dragEl.children(this.options.itemNodeName + ':first').detach());
|
||||
var el = this.dragEl.children(this.options.itemNodeName).first();
|
||||
el[0].parentNode.removeChild(el[0]);
|
||||
this.placeEl.replaceWith(el);
|
||||
|
||||
if(this.hasNewRoot) {
|
||||
if(this.options.fixed === true) {
|
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this.restoreItemAtIndex(el);
|
||||
}
|
||||
else {
|
||||
this.el.trigger('lostItem');
|
||||
}
|
||||
this.dragRootEl.trigger('gainedItem');
|
||||
}
|
||||
else {
|
||||
this.dragRootEl.trigger('change');
|
||||
}
|
||||
|
||||
this.dragEl.remove();
|
||||
this.options.callback.call(this, this.dragRootEl, el);
|
||||
|
||||
this.reset();
|
||||
},
|
||||
|
||||
dragMove: function(e) {
|
||||
var list, parent, prev, next, depth,
|
||||
opt = this.options,
|
||||
mouse = this.mouse;
|
||||
|
||||
this.dragEl.css({
|
||||
'left': e.pageX - mouse.offsetX,
|
||||
'top': e.pageY - mouse.offsetY
|
||||
});
|
||||
|
||||
// mouse position last events
|
||||
mouse.lastX = mouse.nowX;
|
||||
mouse.lastY = mouse.nowY;
|
||||
// mouse position this events
|
||||
mouse.nowX = e.pageX;
|
||||
mouse.nowY = e.pageY;
|
||||
// distance mouse moved between events
|
||||
mouse.distX = mouse.nowX - mouse.lastX;
|
||||
mouse.distY = mouse.nowY - mouse.lastY;
|
||||
// direction mouse was moving
|
||||
mouse.lastDirX = mouse.dirX;
|
||||
mouse.lastDirY = mouse.dirY;
|
||||
// direction mouse is now moving (on both axis)
|
||||
mouse.dirX = mouse.distX === 0 ? 0 : mouse.distX > 0 ? 1 : -1;
|
||||
mouse.dirY = mouse.distY === 0 ? 0 : mouse.distY > 0 ? 1 : -1;
|
||||
// axis mouse is now moving on
|
||||
var newAx = Math.abs(mouse.distX) > Math.abs(mouse.distY) ? 1 : 0;
|
||||
|
||||
// do nothing on first move
|
||||
if(!mouse.moving) {
|
||||
mouse.dirAx = newAx;
|
||||
mouse.moving = true;
|
||||
return;
|
||||
}
|
||||
|
||||
// calc distance moved on this axis (and direction)
|
||||
if(mouse.dirAx !== newAx) {
|
||||
mouse.distAxX = 0;
|
||||
mouse.distAxY = 0;
|
||||
}
|
||||
else {
|
||||
mouse.distAxX += Math.abs(mouse.distX);
|
||||
if(mouse.dirX !== 0 && mouse.dirX !== mouse.lastDirX) {
|
||||
mouse.distAxX = 0;
|
||||
}
|
||||
mouse.distAxY += Math.abs(mouse.distY);
|
||||
if(mouse.dirY !== 0 && mouse.dirY !== mouse.lastDirY) {
|
||||
mouse.distAxY = 0;
|
||||
}
|
||||
}
|
||||
mouse.dirAx = newAx;
|
||||
|
||||
/**
|
||||
* move horizontal
|
||||
*/
|
||||
if(mouse.dirAx && mouse.distAxX >= opt.threshold) {
|
||||
// reset move distance on x-axis for new phase
|
||||
mouse.distAxX = 0;
|
||||
prev = this.placeEl.prev(opt.itemNodeName);
|
||||
// increase horizontal level if previous sibling exists, is not collapsed, and can have children
|
||||
if(mouse.distX > 0 && prev.length && !prev.hasClass(opt.collapsedClass) && !prev.hasClass(opt.noChildrenClass)) {
|
||||
// cannot increase level when item above is collapsed
|
||||
list = prev.find(opt.listNodeName).last();
|
||||
// check if depth limit has reached
|
||||
depth = this.placeEl.parents(opt.listNodeName).length;
|
||||
if(depth + this.dragDepth <= opt.maxDepth) {
|
||||
// create new sub-level if one doesn't exist
|
||||
if(!list.length) {
|
||||
list = $('<' + opt.listNodeName + '/>').addClass(opt.listClass);
|
||||
list.append(this.placeEl);
|
||||
prev.append(list);
|
||||
this.setParent(prev);
|
||||
}
|
||||
else {
|
||||
// else append to next level up
|
||||
list = prev.children(opt.listNodeName).last();
|
||||
list.append(this.placeEl);
|
||||
}
|
||||
}
|
||||
}
|
||||
// decrease horizontal level
|
||||
if(mouse.distX < 0) {
|
||||
// we can't decrease a level if an item preceeds the current one
|
||||
next = this.placeEl.next(opt.itemNodeName);
|
||||
if(!next.length) {
|
||||
parent = this.placeEl.parent();
|
||||
this.placeEl.closest(opt.itemNodeName).after(this.placeEl);
|
||||
if(!parent.children().length) {
|
||||
this.unsetParent(parent.parent());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
var isEmpty = false;
|
||||
|
||||
// find list item under cursor
|
||||
if(!hasPointerEvents) {
|
||||
this.dragEl[0].style.visibility = 'hidden';
|
||||
}
|
||||
this.pointEl = $(document.elementFromPoint(e.pageX - document.body.scrollLeft, e.pageY - (window.pageYOffset || document.documentElement.scrollTop)));
|
||||
if(!hasPointerEvents) {
|
||||
this.dragEl[0].style.visibility = 'visible';
|
||||
}
|
||||
if(this.pointEl.hasClass(opt.handleClass)) {
|
||||
this.pointEl = this.pointEl.closest(opt.itemNodeName);
|
||||
}
|
||||
if(this.pointEl.hasClass(opt.emptyClass)) {
|
||||
isEmpty = true;
|
||||
}
|
||||
else if(!this.pointEl.length || !this.pointEl.hasClass(opt.itemClass)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// find parent list of item under cursor
|
||||
var pointElRoot = this.pointEl.closest('.' + opt.rootClass),
|
||||
isNewRoot = this.dragRootEl.data('nestable-id') !== pointElRoot.data('nestable-id');
|
||||
|
||||
/**
|
||||
* move vertical
|
||||
*/
|
||||
if(!mouse.dirAx || isNewRoot || isEmpty) {
|
||||
// check if groups match if dragging over new root
|
||||
if(isNewRoot && opt.group !== pointElRoot.data('nestable-group')) {
|
||||
return;
|
||||
}
|
||||
|
||||
// fixed item's depth, use for some list has specific type, eg:'Volume, Section, Chapter ...'
|
||||
if(this.options.fixedDepth && this.dragDepth + 1 !== this.pointEl.parents(opt.listNodeName).length) {
|
||||
return;
|
||||
}
|
||||
|
||||
// check depth limit
|
||||
depth = this.dragDepth - 1 + this.pointEl.parents(opt.listNodeName).length;
|
||||
if(depth > opt.maxDepth) {
|
||||
return;
|
||||
}
|
||||
var before = e.pageY < (this.pointEl.offset().top + this.pointEl.height() / 2);
|
||||
parent = this.placeEl.parent();
|
||||
// if empty create new list to replace empty placeholder
|
||||
if(isEmpty) {
|
||||
list = $(document.createElement(opt.listNodeName)).addClass(opt.listClass);
|
||||
list.append(this.placeEl);
|
||||
this.pointEl.replaceWith(list);
|
||||
}
|
||||
else if(before) {
|
||||
this.pointEl.before(this.placeEl);
|
||||
}
|
||||
else {
|
||||
this.pointEl.after(this.placeEl);
|
||||
}
|
||||
if(!parent.children().length) {
|
||||
this.unsetParent(parent.parent());
|
||||
}
|
||||
if(!this.dragRootEl.find(opt.itemNodeName).length) {
|
||||
this.dragRootEl.append('<div class="' + opt.emptyClass + '"/>');
|
||||
}
|
||||
// parent root list has changed
|
||||
this.dragRootEl = pointElRoot;
|
||||
if(isNewRoot) {
|
||||
this.hasNewRoot = this.el[0] !== this.dragRootEl[0];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
$.fn.nestable = function(params) {
|
||||
var lists = this,
|
||||
retval = this;
|
||||
|
||||
if(!('Nestable' in window)) {
|
||||
window.Nestable = {};
|
||||
Nestable.counter = 0;
|
||||
}
|
||||
|
||||
lists.each(function() {
|
||||
var plugin = $(this).data("nestable");
|
||||
|
||||
if(!plugin) {
|
||||
Nestable.counter++;
|
||||
$(this).data("nestable", new Plugin(this, params));
|
||||
$(this).data("nestable-id", Nestable.counter);
|
||||
|
||||
}
|
||||
else {
|
||||
if(typeof params === 'string' && typeof plugin[params] === 'function') {
|
||||
retval = plugin[params]();
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
return retval || lists;
|
||||
};
|
||||
|
||||
})(window.jQuery || window.Zepto, window, document);
|
||||
Reference in New Issue
Block a user