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File: //usr/local/CyberCP/public/static/baseTemplate/assets/widgets/interactions-ui/selectable.js
/*!
 * jQuery UI Selectable @VERSION
 * http://jqueryui.com
 *
 * Copyright 2014 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/selectable/
 */
(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define([
            "jquery",
            "./core",
            "./mouse",
            "./widget"
        ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
}(function( $ ) {

    return $.widget("ui.selectable", $.ui.mouse, {
        version: "@VERSION",
        options: {
            appendTo: "body",
            autoRefresh: true,
            distance: 0,
            filter: "*",
            tolerance: "touch",

            // callbacks
            selected: null,
            selecting: null,
            start: null,
            stop: null,
            unselected: null,
            unselecting: null
        },
        _create: function() {
            var selectees,
                that = this;

            this.element.addClass("ui-selectable");

            this.dragged = false;

            // cache selectee children based on filter
            this.refresh = function() {
                selectees = $(that.options.filter, that.element[0]);
                selectees.addClass("ui-selectee");
                selectees.each(function() {
                    var $this = $(this),
                        pos = $this.offset();
                    $.data(this, "selectable-item", {
                        element: this,
                        $element: $this,
                        left: pos.left,
                        top: pos.top,
                        right: pos.left + $this.outerWidth(),
                        bottom: pos.top + $this.outerHeight(),
                        startselected: false,
                        selected: $this.hasClass("ui-selected"),
                        selecting: $this.hasClass("ui-selecting"),
                        unselecting: $this.hasClass("ui-unselecting")
                    });
                });
            };
            this.refresh();

            this.selectees = selectees.addClass("ui-selectee");

            this._mouseInit();

            this.helper = $("<div class='ui-selectable-helper'></div>");
        },

        _destroy: function() {
            this.selectees
                .removeClass("ui-selectee")
                .removeData("selectable-item");
            this.element
                .removeClass("ui-selectable ui-selectable-disabled");
            this._mouseDestroy();
        },

        _mouseStart: function(event) {
            var that = this,
                options = this.options;

            this.opos = [ event.pageX, event.pageY ];

            if (this.options.disabled) {
                return;
            }

            this.selectees = $(options.filter, this.element[0]);

            this._trigger("start", event);

            $(options.appendTo).append(this.helper);
            // position helper (lasso)
            this.helper.css({
                "left": event.pageX,
                "top": event.pageY,
                "width": 0,
                "height": 0
            });

            if (options.autoRefresh) {
                this.refresh();
            }

            this.selectees.filter(".ui-selected").each(function() {
                var selectee = $.data(this, "selectable-item");
                selectee.startselected = true;
                if (!event.metaKey && !event.ctrlKey) {
                    selectee.$element.removeClass("ui-selected");
                    selectee.selected = false;
                    selectee.$element.addClass("ui-unselecting");
                    selectee.unselecting = true;
                    // selectable UNSELECTING callback
                    that._trigger("unselecting", event, {
                        unselecting: selectee.element
                    });
                }
            });

            $(event.target).parents().addBack().each(function() {
                var doSelect,
                    selectee = $.data(this, "selectable-item");
                if (selectee) {
                    doSelect = (!event.metaKey && !event.ctrlKey) || !selectee.$element.hasClass("ui-selected");
                    selectee.$element
                        .removeClass(doSelect ? "ui-unselecting" : "ui-selected")
                        .addClass(doSelect ? "ui-selecting" : "ui-unselecting");
                    selectee.unselecting = !doSelect;
                    selectee.selecting = doSelect;
                    selectee.selected = doSelect;
                    // selectable (UN)SELECTING callback
                    if (doSelect) {
                        that._trigger("selecting", event, {
                            selecting: selectee.element
                        });
                    } else {
                        that._trigger("unselecting", event, {
                            unselecting: selectee.element
                        });
                    }
                    return false;
                }
            });

        },

        _mouseDrag: function(event) {

            this.dragged = true;

            if (this.options.disabled) {
                return;
            }

            var tmp,
                that = this,
                options = this.options,
                x1 = this.opos[0],
                y1 = this.opos[1],
                x2 = event.pageX,
                y2 = event.pageY;

            if (x1 > x2) { tmp = x2; x2 = x1; x1 = tmp; }
            if (y1 > y2) { tmp = y2; y2 = y1; y1 = tmp; }
            this.helper.css({ left: x1, top: y1, width: x2 - x1, height: y2 - y1 });

            this.selectees.each(function() {
                var selectee = $.data(this, "selectable-item"),
                    hit = false;

                //prevent helper from being selected if appendTo: selectable
                if (!selectee || selectee.element === that.element[0]) {
                    return;
                }

                if (options.tolerance === "touch") {
                    hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
                } else if (options.tolerance === "fit") {
                    hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
                }

                if (hit) {
                    // SELECT
                    if (selectee.selected) {
                        selectee.$element.removeClass("ui-selected");
                        selectee.selected = false;
                    }
                    if (selectee.unselecting) {
                        selectee.$element.removeClass("ui-unselecting");
                        selectee.unselecting = false;
                    }
                    if (!selectee.selecting) {
                        selectee.$element.addClass("ui-selecting");
                        selectee.selecting = true;
                        // selectable SELECTING callback
                        that._trigger("selecting", event, {
                            selecting: selectee.element
                        });
                    }
                } else {
                    // UNSELECT
                    if (selectee.selecting) {
                        if ((event.metaKey || event.ctrlKey) && selectee.startselected) {
                            selectee.$element.removeClass("ui-selecting");
                            selectee.selecting = false;
                            selectee.$element.addClass("ui-selected");
                            selectee.selected = true;
                        } else {
                            selectee.$element.removeClass("ui-selecting");
                            selectee.selecting = false;
                            if (selectee.startselected) {
                                selectee.$element.addClass("ui-unselecting");
                                selectee.unselecting = true;
                            }
                            // selectable UNSELECTING callback
                            that._trigger("unselecting", event, {
                                unselecting: selectee.element
                            });
                        }
                    }
                    if (selectee.selected) {
                        if (!event.metaKey && !event.ctrlKey && !selectee.startselected) {
                            selectee.$element.removeClass("ui-selected");
                            selectee.selected = false;

                            selectee.$element.addClass("ui-unselecting");
                            selectee.unselecting = true;
                            // selectable UNSELECTING callback
                            that._trigger("unselecting", event, {
                                unselecting: selectee.element
                            });
                        }
                    }
                }
            });

            return false;
        },

        _mouseStop: function(event) {
            var that = this;

            this.dragged = false;

            $(".ui-unselecting", this.element[0]).each(function() {
                var selectee = $.data(this, "selectable-item");
                selectee.$element.removeClass("ui-unselecting");
                selectee.unselecting = false;
                selectee.startselected = false;
                that._trigger("unselected", event, {
                    unselected: selectee.element
                });
            });
            $(".ui-selecting", this.element[0]).each(function() {
                var selectee = $.data(this, "selectable-item");
                selectee.$element.removeClass("ui-selecting").addClass("ui-selected");
                selectee.selecting = false;
                selectee.selected = true;
                selectee.startselected = true;
                that._trigger("selected", event, {
                    selected: selectee.element
                });
            });
            this._trigger("stop", event);

            this.helper.remove();

            return false;
        }

    });

}));