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'use strict'; |
| 2 |
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; |
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|
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function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } |
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|
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(function () { |
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"use strict"; |
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|
| 9 |
if (!Array.from) { |
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Array.from = function (object) { |
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return [].slice.call(object); |
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}; |
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} |
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|
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function buildDraggable(Sortable) { |
| 16 |
function removeNode(node) { |
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node.parentElement.removeChild(node); |
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} |
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|
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function insertNodeAt(fatherNode, node, position) { |
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var refNode = position === 0 ? fatherNode.children[0] : fatherNode.children[position - 1].nextSibling; |
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fatherNode.insertBefore(node, refNode); |
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} |
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|
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function computeVmIndex(vnodes, element) { |
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return vnodes.map(function (elt) { |
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return elt.elm; |
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}).indexOf(element); |
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} |
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|
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function _computeIndexes(slots, children, isTransition) { |
| 32 |
if (!slots) { |
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return []; |
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} |
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|
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var elmFromNodes = slots.map(function (elt) { |
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return elt.elm; |
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}); |
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var rawIndexes = [].concat(_toConsumableArray(children)).map(function (elt) { |
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return elmFromNodes.indexOf(elt); |
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}); |
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return isTransition ? rawIndexes.filter(function (ind) { |
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return ind !== -1; |
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}) : rawIndexes; |
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} |
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|
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function emit(evtName, evtData) { |
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var _this = this; |
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|
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this.$nextTick(function () { |
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return _this.$emit(evtName.toLowerCase(), evtData); |
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}); |
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} |
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|
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function delegateAndEmit(evtName) { |
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var _this2 = this; |
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|
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return function (evtData) { |
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if (_this2.realList !== null) { |
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_this2['onDrag' + evtName](evtData); |
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} |
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emit.call(_this2, evtName, evtData); |
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}; |
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} |
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|
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var eventsListened = ['Start', 'Add', 'Remove', 'Update', 'End']; |
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var eventsToEmit = ['Choose', 'Sort', 'Filter', 'Clone']; |
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var readonlyProperties = ['Move'].concat(eventsListened, eventsToEmit).map(function (evt) { |
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return 'on' + evt; |
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}); |
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var draggingElement = null; |
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|
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var props = { |
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options: Object, |
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list: { |
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type: Array, |
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required: false, |
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default: null |
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}, |
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value: { |
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type: Array, |
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required: false, |
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default: null |
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}, |
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noTransitionOnDrag: { |
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type: Boolean, |
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default: false |
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}, |
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clone: { |
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type: Function, |
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default: function _default(original) { |
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return original; |
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} |
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}, |
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element: { |
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type: String, |
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default: 'div' |
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}, |
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move: { |
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type: Function, |
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default: null |
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} |
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}; |
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|
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var draggableComponent = { |
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name: 'draggable', |
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|
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props: props, |
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|
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data: function data() { |
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return { |
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transitionMode: false, |
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componentMode: false |
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}; |
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}, |
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render: function render(h) { |
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var slots = this.$slots.default; |
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if (slots && slots.length === 1) { |
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var child = slots[0]; |
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if (child.componentOptions && child.componentOptions.tag === "transition-group") { |
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this.transitionMode = true; |
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} |
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} |
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var children = slots; |
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var footer = this.$slots.footer; |
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|
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if (footer) { |
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children = slots ? [].concat(_toConsumableArray(slots), _toConsumableArray(footer)) : [].concat(_toConsumableArray(footer)); |
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} |
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return h(this.element, null, children); |
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}, |
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mounted: function mounted() { |
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var _this3 = this; |
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|
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this.componentMode = this.element.toLowerCase() !== this.$el.nodeName.toLowerCase(); |
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if (this.componentMode && this.transitionMode) { |
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throw new Error('Transition-group inside component is not supported. Please alter element value or remove transition-group. Current element value: ' + this.element); |
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} |
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var optionsAdded = {}; |
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eventsListened.forEach(function (elt) { |
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optionsAdded['on' + elt] = delegateAndEmit.call(_this3, elt); |
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}); |
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|
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eventsToEmit.forEach(function (elt) { |
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optionsAdded['on' + elt] = emit.bind(_this3, elt); |
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}); |
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|
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var options = _extends({}, this.options, optionsAdded, { onMove: function onMove(evt, originalEvent) { |
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return _this3.onDragMove(evt, originalEvent); |
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} }); |
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!('draggable' in options) && (options.draggable = '>*'); |
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this._sortable = new Sortable(this.rootContainer, options); |
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this.computeIndexes(); |
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}, |
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beforeDestroy: function beforeDestroy() { |
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this._sortable.destroy(); |
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}, |
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|
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|
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computed: { |
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rootContainer: function rootContainer() { |
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return this.transitionMode ? this.$el.children[0] : this.$el; |
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}, |
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isCloning: function isCloning() { |
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return !!this.options && !!this.options.group && this.options.group.pull === 'clone'; |
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}, |
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realList: function realList() { |
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return !!this.list ? this.list : this.value; |
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} |
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}, |
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|
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watch: { |
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options: { |
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handler: function handler(newOptionValue) { |
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for (var property in newOptionValue) { |
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if (readonlyProperties.indexOf(property) == -1) { |
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this._sortable.option(property, newOptionValue[property]); |
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} |
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} |
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}, |
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|
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deep: true |
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}, |
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|
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realList: function realList() { |
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this.computeIndexes(); |
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} |
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}, |
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|
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methods: { |
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getChildrenNodes: function getChildrenNodes() { |
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if (this.componentMode) { |
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return this.$children[0].$slots.default; |
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} |
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var rawNodes = this.$slots.default; |
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return this.transitionMode ? rawNodes[0].child.$slots.default : rawNodes; |
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}, |
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computeIndexes: function computeIndexes() { |
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var _this4 = this; |
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|
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this.$nextTick(function () { |
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_this4.visibleIndexes = _computeIndexes(_this4.getChildrenNodes(), _this4.rootContainer.children, _this4.transitionMode); |
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}); |
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}, |
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getUnderlyingVm: function getUnderlyingVm(htmlElt) { |
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var index = computeVmIndex(this.getChildrenNodes() || [], htmlElt); |
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if (index === -1) { |
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//Edge case during move callback: related element might be |
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//an element different from collection |
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return null; |
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} |
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var element = this.realList[index]; |
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return { index: index, element: element }; |
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}, |
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getUnderlyingPotencialDraggableComponent: function getUnderlyingPotencialDraggableComponent(_ref) { |
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var __vue__ = _ref.__vue__; |
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|
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if (!__vue__ || !__vue__.$options || __vue__.$options._componentTag !== "transition-group") { |
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return __vue__; |
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} |
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return __vue__.$parent; |
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}, |
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emitChanges: function emitChanges(evt) { |
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var _this5 = this; |
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|
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this.$nextTick(function () { |
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_this5.$emit('change', evt); |
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}); |
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}, |
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alterList: function alterList(onList) { |
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if (!!this.list) { |
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onList(this.list); |
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} else { |
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var newList = [].concat(_toConsumableArray(this.value)); |
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onList(newList); |
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this.$emit('input', newList); |
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} |
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}, |
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spliceList: function spliceList() { |
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var _arguments = arguments; |
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|
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var spliceList = function spliceList(list) { |
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return list.splice.apply(list, _arguments); |
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}; |
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this.alterList(spliceList); |
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}, |
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updatePosition: function updatePosition(oldIndex, newIndex) { |
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var updatePosition = function updatePosition(list) { |
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return list.splice(newIndex, 0, list.splice(oldIndex, 1)[0]); |
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}; |
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this.alterList(updatePosition); |
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}, |
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getRelatedContextFromMoveEvent: function getRelatedContextFromMoveEvent(_ref2) { |
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var to = _ref2.to, |
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related = _ref2.related; |
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|
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var component = this.getUnderlyingPotencialDraggableComponent(to); |
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if (!component) { |
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return { component: component }; |
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} |
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var list = component.realList; |
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var context = { list: list, component: component }; |
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if (to !== related && list && component.getUnderlyingVm) { |
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var destination = component.getUnderlyingVm(related); |
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if (destination) { |
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return _extends(destination, context); |
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} |
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} |
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|
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return context; |
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}, |
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getVmIndex: function getVmIndex(domIndex) { |
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var indexes = this.visibleIndexes; |
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var numberIndexes = indexes.length; |
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return domIndex > numberIndexes - 1 ? numberIndexes : indexes[domIndex]; |
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}, |
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getComponent: function getComponent() { |
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return this.$slots.default[0].componentInstance; |
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}, |
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resetTransitionData: function resetTransitionData(index) { |
| 281 |
if (!this.noTransitionOnDrag || !this.transitionMode) { |
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return; |
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} |
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var nodes = this.getChildrenNodes(); |
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nodes[index].data = null; |
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var transitionContainer = this.getComponent(); |
| 287 |
transitionContainer.children = []; |
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transitionContainer.kept = undefined; |
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}, |
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onDragStart: function onDragStart(evt) { |
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this.context = this.getUnderlyingVm(evt.item); |
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evt.item._underlying_vm_ = this.clone(this.context.element); |
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draggingElement = evt.item; |
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}, |
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onDragAdd: function onDragAdd(evt) { |
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var element = evt.item._underlying_vm_; |
| 297 |
if (element === undefined) { |
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return; |
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} |
| 300 |
removeNode(evt.item); |
| 301 |
var newIndex = this.getVmIndex(evt.newIndex); |
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this.spliceList(newIndex, 0, element); |
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this.computeIndexes(); |
| 304 |
var added = { element: element, newIndex: newIndex }; |
| 305 |
this.emitChanges({ added: added }); |
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}, |
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onDragRemove: function onDragRemove(evt) { |
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insertNodeAt(this.rootContainer, evt.item, evt.oldIndex); |
| 309 |
if (this.isCloning) { |
| 310 |
removeNode(evt.clone); |
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return; |
| 312 |
} |
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var oldIndex = this.context.index; |
| 314 |
this.spliceList(oldIndex, 1); |
| 315 |
var removed = { element: this.context.element, oldIndex: oldIndex }; |
| 316 |
this.resetTransitionData(oldIndex); |
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this.emitChanges({ removed: removed }); |
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}, |
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onDragUpdate: function onDragUpdate(evt) { |
| 320 |
removeNode(evt.item); |
| 321 |
insertNodeAt(evt.from, evt.item, evt.oldIndex); |
| 322 |
var oldIndex = this.context.index; |
| 323 |
var newIndex = this.getVmIndex(evt.newIndex); |
| 324 |
this.updatePosition(oldIndex, newIndex); |
| 325 |
var moved = { element: this.context.element, oldIndex: oldIndex, newIndex: newIndex }; |
| 326 |
this.emitChanges({ moved: moved }); |
| 327 |
}, |
| 328 |
computeFutureIndex: function computeFutureIndex(relatedContext, evt) { |
| 329 |
if (!relatedContext.element) { |
| 330 |
return 0; |
| 331 |
} |
| 332 |
var domChildren = [].concat(_toConsumableArray(evt.to.children)).filter(function (el) { |
| 333 |
return el.style['display'] !== 'none'; |
| 334 |
}); |
| 335 |
var currentDOMIndex = domChildren.indexOf(evt.related); |
| 336 |
var currentIndex = relatedContext.component.getVmIndex(currentDOMIndex); |
| 337 |
var draggedInList = domChildren.indexOf(draggingElement) != -1; |
| 338 |
return draggedInList || !evt.willInsertAfter ? currentIndex : currentIndex + 1; |
| 339 |
}, |
| 340 |
onDragMove: function onDragMove(evt, originalEvent) { |
| 341 |
var onMove = this.move; |
| 342 |
if (!onMove || !this.realList) { |
| 343 |
return true; |
| 344 |
} |
| 345 |
|
| 346 |
var relatedContext = this.getRelatedContextFromMoveEvent(evt); |
| 347 |
var draggedContext = this.context; |
| 348 |
var futureIndex = this.computeFutureIndex(relatedContext, evt); |
| 349 |
_extends(draggedContext, { futureIndex: futureIndex }); |
| 350 |
_extends(evt, { relatedContext: relatedContext, draggedContext: draggedContext }); |
| 351 |
return onMove(evt, originalEvent); |
| 352 |
}, |
| 353 |
onDragEnd: function onDragEnd(evt) { |
| 354 |
this.computeIndexes(); |
| 355 |
draggingElement = null; |
| 356 |
} |
| 357 |
} |
| 358 |
}; |
| 359 |
return draggableComponent; |
| 360 |
} |
| 361 |
|
| 362 |
if (typeof exports == "object") { |
| 363 |
// var Sortable = require("sortablejs"); |
| 364 |
// module.exports = buildDraggable(Sortable); |
| 365 |
} else if (typeof define == "function" && define.amd) { |
| 366 |
define(['sortablejs'], function (Sortable) { |
| 367 |
return buildDraggable(Sortable); |
| 368 |
}); |
| 369 |
} else if (window && window.Vue && window.Sortable) { |
| 370 |
var draggable = buildDraggable(window.Sortable); |
| 371 |
Vue.component('draggable', draggable); |
| 372 |
} |
| 373 |
})(); |
