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             \n                                                                                                                                                                                                       \n\n*/\n(function (f, define) {\n    define('kendo.groupable', [\n        'kendo.core',\n        'kendo.draganddrop'\n    ], f);\n}(function () {\n    var __meta__ = {\n        id: 'groupable',\n        name: 'Groupable',\n        category: 'framework',\n        depends: [\n            'core',\n            'draganddrop'\n        ],\n        advanced: true\n    };\n    (function ($, undefined) {\n        var kendo = window.kendo, Widget = kendo.ui.Widget, outerWidth = kendo._outerWidth, kendoAttr = kendo.attr, extend = $.extend, each = $.each, proxy = $.proxy, isRtl = false, DIR = 'dir', FIELD = 'field', TITLE = 'title', ASCENDING = 'asc', DESCENDING = 'desc', GROUP_SORT = 'group-sort', NS = '.kendoGroupable', CHANGE = 'change', indicatorTmpl = kendo.template('<div class=\"k-group-indicator\" data-#=data.ns#field=\"${data.field}\" data-#=data.ns#title=\"${data.title || \"\"}\" data-#=data.ns#dir=\"${data.dir || \"asc\"}\">' + '<a href=\"\\\\#\" class=\"k-link\">' + '<span class=\"k-icon k-i-sort-${(data.dir || \"asc\") == \"asc\" ? \"asc-sm\" : \"desc-sm\"}\" title=\"(sorted ${(data.dir || \"asc\") == \"asc\" ? \"ascending\": \"descending\"})\"></span>' + '${data.title ? data.title: data.field}' + '</a>' + '<a href=\"\\\\#\" data-role=\"button\" class=\"k-button k-button-icon k-flat\">' + '<span class=\"k-icon k-i-close\"></span>' + '</a>' + '</div>', { useWithBlock: false }), hint = function (target) {\n                var title = target.attr(kendo.attr('title'));\n                if (title) {\n                    title = kendo.htmlEncode(title);\n                }\n                return $('<div class=\"k-header k-group-clue k-drag-clue\" />').html(title || target.attr(kendo.attr('field'))).prepend('<span class=\"k-icon k-drag-status k-i-cancel\"></span>');\n            }, dropCue = $('<div class=\"k-grouping-dropclue\"/>');\n        var Groupable = Widget.extend({\n            init: function (element, options) {\n                var that = this, group = kendo.guid(), intializePositions = proxy(that._intializePositions, that), draggable, horizontalCuePosition, dropCuePositions = that._dropCuePositions = [];\n                Widget.fn.init.call(that, element, options);\n                isRtl = kendo.support.isRtl(element);\n                horizontalCuePosition = isRtl ? 'right' : 'left';\n                that.draggable = draggable = that.options.draggable || new kendo.ui.Draggable(that.element, {\n                    filter: that.options.draggableElements,\n                    hint: hint,\n                    group: group\n                });\n                that.groupContainer = $(that.options.groupContainer, that.element).kendoDropTarget({\n                    group: draggable.options.group,\n                    dragenter: function (e) {\n                        if (that._canDrag(e.draggable.currentTarget)) {\n                            e.draggable.hint.find('.k-drag-status').removeClass('k-i-cancel').addClass('k-i-plus');\n                            dropCue.css(horizontalCuePosition, 0).appendTo(that.groupContainer);\n                        }\n                    },\n                    dragleave: function (e) {\n                        e.draggable.hint.find('.k-drag-status').removeClass('k-i-plus').addClass('k-i-cancel');\n                        dropCue.remove();\n                    },\n                    drop: function (e) {\n                        var targetElement = e.draggable.currentTarget, field = targetElement.attr(kendo.attr('field')), title = targetElement.attr(kendo.attr('title')), sourceIndicator = that.indicator(field), dropCuePositions = that._dropCuePositions, lastCuePosition = dropCuePositions[dropCuePositions.length - 1], position;\n                        var sortOptions = extend({}, that.options.sort, targetElement.data(GROUP_SORT));\n                        var dir = sortOptions.dir;\n                        if (!targetElement.hasClass('k-group-indicator') && !that._canDrag(targetElement)) {\n                            return;\n                        }\n                        if (lastCuePosition) {\n                            position = that._dropCuePosition(kendo.getOffset(dropCue).left + parseInt(lastCuePosition.element.css('marginLeft'), 10) * (isRtl ? -1 : 1) + parseInt(lastCuePosition.element.css('marginRight'), 10));\n                            if (position && that._canDrop($(sourceIndicator), position.element, position.left)) {\n                                if (position.before) {\n                                    position.element.before(sourceIndicator || that.buildIndicator(field, title, dir));\n                                } else {\n                                    position.element.after(sourceIndicator || that.buildIndicator(field, title, dir));\n                                }\n                                that._setIndicatorSortOptions(field, sortOptions);\n                                that._change();\n                            }\n                        } else {\n                            that.groupContainer.empty();\n                            that.groupContainer.append(that.buildIndicator(field, title, dir));\n                            that._setIndicatorSortOptions(field, sortOptions);\n                            that._change();\n                        }\n                    }\n                }).kendoDraggable({\n                    filter: 'div.k-group-indicator',\n                    hint: hint,\n                    group: draggable.options.group,\n                    dragcancel: proxy(that._dragCancel, that),\n                    dragstart: function (e) {\n                        var element = e.currentTarget, marginLeft = parseInt(element.css('marginLeft'), 10), elementPosition = element.position(), left = isRtl ? elementPosition.left - marginLeft : elementPosition.left + outerWidth(element);\n                        intializePositions();\n                        dropCue.css('left', left).appendTo(that.groupContainer);\n                        this.hint.find('.k-drag-status').removeClass('k-i-cancel').addClass('k-i-plus');\n                    },\n                    dragend: function () {\n                        that._dragEnd(this);\n                    },\n                    drag: proxy(that._drag, that)\n                }).on('click' + NS, '.k-button', function (e) {\n                    e.preventDefault();\n                    that._removeIndicator($(this).parent());\n                }).on('click' + NS, '.k-link', function (e) {\n                    var indicator = $(this).parent();\n                    var newDir = indicator.attr(kendoAttr(DIR)) === ASCENDING ? DESCENDING : ASCENDING;\n                    indicator.attr(kendoAttr(DIR), newDir);\n                    that._change();\n                    e.preventDefault();\n                });\n                draggable.bind([\n                    'dragend',\n                    'dragcancel',\n                    'dragstart',\n                    'drag'\n                ], {\n                    dragend: function () {\n                        that._dragEnd(this);\n                    },\n                    dragcancel: proxy(that._dragCancel, that),\n                    dragstart: function (e) {\n                        var element, marginRight, left;\n                        if (!that.options.allowDrag && !that._canDrag(e.currentTarget)) {\n                            e.preventDefault();\n                            return;\n                        }\n                        intializePositions();\n                        if (dropCuePositions.length) {\n                            element = dropCuePositions[dropCuePositions.length - 1].element;\n                            marginRight = parseInt(element.css('marginRight'), 10);\n                            left = element.position().left + outerWidth(element) + marginRight;\n                        } else {\n                            left = 0;\n                        }\n                    },\n                    drag: proxy(that._drag, that)\n                });\n                that.dataSource = that.options.dataSource;\n                if (that.dataSource && that._refreshHandler) {\n                    that.dataSource.unbind(CHANGE, that._refreshHandler);\n                } else {\n                    that._refreshHandler = proxy(that.refresh, that);\n                }\n                if (that.dataSource) {\n                    that.dataSource.bind('change', that._refreshHandler);\n                    that.refresh();\n                }\n            },\n            refresh: function () {\n                var that = this, dataSource = that.dataSource;\n                var groups = dataSource.group() || [];\n                var fieldAttr = kendoAttr(FIELD);\n                var titleAttr = kendoAttr(TITLE);\n                var indicatorHtml;\n                if (that.groupContainer) {\n                    that.groupContainer.empty();\n                    each(groups, function (index, group) {\n                        var field = group.field;\n                        var dir = group.dir;\n                        var element = that.element.find(that.options.filter).filter(function () {\n                            return $(this).attr(fieldAttr) === field;\n                        });\n                        indicatorHtml = that.buildIndicator(field, element.attr(titleAttr), dir);\n                        that.groupContainer.append(indicatorHtml);\n                        that._setIndicatorSortOptions(field, extend({}, that.options.sort, {\n                            dir: dir,\n                            compare: group.compare\n                        }));\n                    });\n                }\n                that._invalidateGroupContainer();\n            },\n            destroy: function () {\n                var that = this;\n                Widget.fn.destroy.call(that);\n                that.groupContainer.off(NS);\n                if (that.groupContainer.data('kendoDropTarget')) {\n                    that.groupContainer.data('kendoDropTarget').destroy();\n                }\n                if (that.groupContainer.data('kendoDraggable')) {\n                    that.groupContainer.data('kendoDraggable').destroy();\n                }\n                if (!that.options.draggable) {\n                    that.draggable.destroy();\n                }\n                if (that.dataSource && that._refreshHandler) {\n                    that.dataSource.unbind('change', that._refreshHandler);\n                    that._refreshHandler = null;\n                }\n                that.groupContainer = that.element = that.draggable = null;\n            },\n            events: ['change'],\n            options: {\n                name: 'Groupable',\n                filter: 'th',\n                draggableElements: 'th',\n                messages: { empty: 'Drag a column header and drop it here to group by that column' },\n                sort: {\n                    dir: ASCENDING,\n                    compare: null\n                }\n            },\n            indicator: function (field) {\n                var indicators = $('.k-group-indicator', this.groupContainer);\n                return $.grep(indicators, function (item) {\n                    return $(item).attr(kendo.attr('field')) === field;\n                })[0];\n            },\n            buildIndicator: function (field, title, dir) {\n                var that = this;\n                var indicator = indicatorTmpl({\n                    ns: kendo.ns,\n                    field: field.replace(/\"/g, '\\''),\n                    title: title,\n                    dir: dir || (that.options.sort || {}).dir || ASCENDING\n                });\n                return indicator;\n            },\n            _setIndicatorSortOptions: function (field, options) {\n                var indicator = $(this.indicator(field));\n                indicator.data(GROUP_SORT, options);\n            },\n            aggregates: function () {\n                var that = this;\n                var names;\n                var idx;\n                var length;\n                return that.element.find(that.options.filter).map(function () {\n                    var cell = $(this), aggregate = cell.attr(kendo.attr('aggregates')), member = cell.attr(kendo.attr('field'));\n                    if (aggregate && aggregate !== '') {\n                        names = aggregate.split(',');\n                        aggregate = [];\n                        for (idx = 0, length = names.length; idx < length; idx++) {\n                            aggregate.push({\n                                field: member,\n                                aggregate: names[idx]\n                            });\n                        }\n                    }\n                    return aggregate;\n                }).toArray();\n            },\n            descriptors: function () {\n                var that = this, indicators = $('.k-group-indicator', that.groupContainer), field, aggregates = that.aggregates();\n                return $.map(indicators, function (item) {\n                    item = $(item);\n                    field = item.attr(kendo.attr('field'));\n                    var sortOptions = that.options.sort || {};\n                    var indicatorSortOptions = item.data(GROUP_SORT) || {};\n                    return {\n                        field: field,\n                        dir: item.attr(kendo.attr('dir')),\n                        aggregates: aggregates || [],\n                        compare: indicatorSortOptions.compare || sortOptions.compare\n                    };\n                });\n            },\n            _removeIndicator: function (indicator) {\n                var that = this;\n                indicator.off();\n                indicator.removeData();\n                indicator.remove();\n                that._invalidateGroupContainer();\n                that._change();\n            },\n            _change: function () {\n                var that = this;\n                if (that.dataSource) {\n                    var descriptors = that.descriptors();\n                    if (that.trigger('change', { groups: descriptors })) {\n                        that.refresh();\n                        return;\n                    }\n                    that.dataSource.group(descriptors);\n                }\n            },\n            _dropCuePosition: function (position) {\n                var dropCuePositions = this._dropCuePositions;\n                if (!dropCue.is(':visible') || dropCuePositions.length === 0) {\n                    return;\n                }\n                position = Math.ceil(position);\n                var lastCuePosition = dropCuePositions[dropCuePositions.length - 1], left = lastCuePosition.left, right = lastCuePosition.right, marginLeft = parseInt(lastCuePosition.element.css('marginLeft'), 10), marginRight = parseInt(lastCuePosition.element.css('marginRight'), 10);\n                if (position >= right && !isRtl || position < left && isRtl) {\n                    position = {\n                        left: lastCuePosition.element.position().left + (!isRtl ? outerWidth(lastCuePosition.element) + marginRight : -marginLeft),\n                        element: lastCuePosition.element,\n                        before: false\n                    };\n                } else {\n                    position = $.grep(dropCuePositions, function (item) {\n                        return item.left <= position && position <= item.right || isRtl && position > item.right;\n                    })[0];\n                    if (position) {\n                        position = {\n                            left: isRtl ? position.element.position().left + outerWidth(position.element) + marginRight : position.element.position().left - marginLeft,\n                            element: position.element,\n                            before: true\n                        };\n                    }\n                }\n                return position;\n            },\n            _drag: function (event) {\n                var position = this._dropCuePosition(event.x.location);\n                if (position) {\n                    dropCue.css({\n                        left: position.left,\n                        right: 'auto'\n                    });\n                }\n            },\n            _canDrag: function (element) {\n                var field = element.attr(kendo.attr('field'));\n                return element.attr(kendo.attr('groupable')) != 'false' && field && (element.hasClass('k-group-indicator') || !this.indicator(field));\n            },\n            _canDrop: function (source, target, position) {\n                var next = source.next(), result = source[0] !== target[0] && (!next[0] || target[0] !== next[0] || (!isRtl && position > next.position().left || isRtl && position < next.position().left));\n                return result;\n            },\n            _dragEnd: function (draggable) {\n                var that = this, field = draggable.currentTarget.attr(kendo.attr('field')), sourceIndicator = that.indicator(field);\n                if (draggable !== that.options.draggable && !draggable.dropped && sourceIndicator) {\n                    that._removeIndicator($(sourceIndicator));\n                }\n                that._dragCancel();\n            },\n            _dragCancel: function () {\n                dropCue.remove();\n                this._dropCuePositions = [];\n            },\n            _intializePositions: function () {\n                var that = this, indicators = $('.k-group-indicator', that.groupContainer), left;\n                that._dropCuePositions = $.map(indicators, function (item) {\n                    item = $(item);\n                    left = kendo.getOffset(item).left;\n                    return {\n                        left: parseInt(left, 10),\n                        right: parseInt(left + outerWidth(item), 10),\n                        element: item\n                    };\n                });\n            },\n            _invalidateGroupContainer: function () {\n                var groupContainer = this.groupContainer;\n                if (groupContainer && groupContainer.is(':empty')) {\n                    groupContainer.html(this.options.messages.empty);\n                }\n            }\n        });\n        kendo.ui.plugin(Groupable);\n    }(window.kendo.jQuery));\n    return window.kendo;\n}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {\n    (a3 || a2)();\n}));"]}