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  • ui.core.js(未做改动)

    /*
    * jQuery UI 1.5.3
    *
    * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
    * Dual licensed under the MIT (MIT-LICENSE.txt)
    * and GPL (GPL-LICENSE.txt) licenses.
    *
    * http://docs.jquery.com/UI
    */
    ;(function($) {

    $.ui = {
        plugin: {
            add: function(module, option, set) {
                var proto = $.ui[module].prototype;
                for(var i in set) {
                    proto.plugins[i] = proto.plugins[i] || [];
                    proto.plugins[i].push([option, set[i]]);
                }
            },
            call: function(instance, name, args) {
                var set = instance.plugins[name];
                if(!set) { return; }
                for (var i = 0; i < set.length; i++) {
                    if (instance.options[set[i][0]]) {
                        set[i][1].apply(instance.element, args);
                    }
                }
            }   
        },
        cssCache: {},
        css: function(name) {
            if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
            var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
            //if (!$.browser.safari)
                //tmp.appendTo('body');
            //Opera and Safari set width and height to 0px instead of auto
            //Safari returns rgba(0,0,0,0) when bgcolor is not set
            $.ui.cssCache[name] = !!(
                (!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) ||
                !(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
            );
            try { $('body').get(0).removeChild(tmp.get(0));    } catch(e){}
            return $.ui.cssCache[name];
        },
        disableSelection: function(el) {
            $(el).attr('unselectable', 'on').css('MozUserSelect', 'none');
        },
        enableSelection: function(el) {
            $(el).attr('unselectable', 'off').css('MozUserSelect', '');
        },
        hasScroll: function(e, a) {
            var scroll = /top/.test(a||"top") ? 'scrollTop' : 'scrollLeft', has = false;
            if (e[scroll] > 0) return true; e[scroll] = 1;
            has = e[scroll] > 0 ? true : false; e[scroll] = 0;
            return has;
        }
    };

    /** jQuery core modifications and additions **/

    var _remove = $.fn.remove;
    $.fn.remove = function() {
        $("*", this).add(this).triggerHandler("remove");
        return _remove.apply(this, arguments );
    };

    // $.widget is a factory to create jQuery plugins
    // taking some boilerplate code out of the plugin code
    // created by Scott Gonz谩lez and J枚rn Zaefferer
    function getter(namespace, plugin, method) {
        var methods = $[namespace][plugin].getter || [];
        methods = (typeof methods == "string" ? methods.split(/,?\s+/) : methods);
        return ($.inArray(method, methods) != -1);
    }

    $.widget = function(name, prototype) {
        var namespace = name.split(".")[0];
        name = name.split(".")[1];
        // create plugin method
        $.fn[name] = function(options) {
            var isMethodCall = (typeof options == 'string'),
                args = Array.prototype.slice.call(arguments, 1);
            if (isMethodCall && getter(namespace, name, options)) {
                var instance = $.data(this[0], name);
                return (instance ? instance[options].apply(instance, args)
                    : undefined);
            }
            return this.each(function() {
                var instance = $.data(this, name);
                if (isMethodCall && instance && $.isFunction(instance[options])) {
                    instance[options].apply(instance, args);
                } else if (!isMethodCall) {
                    $.data(this, name, new $[namespace][name](this, options));
                }
            });
        };
        // create widget constructor
        $[namespace][name] = function(element, options) {
            var self = this;
            this.widgetName = name;
            this.widgetBaseClass = namespace + '-' + name;
            this.options = $.extend({}, $.widget.defaults, $[namespace][name].defaults, options);
            this.element = $(element)
                .bind('setData.' + name, function(e, key, value) {
                    return self.setData(key, value);
                })
                .bind('getData.' + name, function(e, key) {
                    return self.getData(key);
                })
                .bind('remove', function() {
                    return self.destroy();
                });
            this.init();
        };
        // add widget prototype
        $[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
    };

    $.widget.prototype = {
        init: function() {},
        destroy: function() {
            this.element.removeData(this.widgetName);
        },
        getData: function(key) {
            return this.options[key];
        },
        setData: function(key, value) {
            this.options[key] = value;
            if (key == 'disabled') {
                this.element[value ? 'addClass' : 'removeClass'](
                    this.widgetBaseClass + '-disabled');
            }
        },
        enable: function() {
            this.setData('disabled', false);
        },
        disable: function() {
            this.setData('disabled', true);
        }
    };

    $.widget.defaults = {
        disabled: false
    };

    /** Mouse Interaction Plugin **/

    $.ui.mouse = {
        mouseInit: function() {
            var self = this;
            this.element.bind('mousedown.'+this.widgetName, function(e) {
                return self.mouseDown(e);
            });
            // Prevent text selection in IE
            if ($.browser.msie) {
                this._mouseUnselectable = this.element.attr('unselectable');
                this.element.attr('unselectable', 'on');
            }
            this.started = false;
        },
        // TODO: make sure destroying one instance of mouse doesn't mess with
        // other instances of mouse
        mouseDestroy: function() {
            this.element.unbind('.'+this.widgetName);
            // Restore text selection in IE
            ($.browser.msie
                && this.element.attr('unselectable', this._mouseUnselectable));
        },
        mouseDown: function(e) {
            // we may have missed mouseup (out of window)
            (this._mouseStarted && this.mouseUp(e));
            this._mouseDownEvent = e;
            var self = this,
                btnIsLeft = (e.which == 1),
                elIsCancel = (typeof this.options.cancel == "string" ? $(e.target).parents().add(e.target).filter(this.options.cancel).length : false);
            if (!btnIsLeft || elIsCancel || !this.mouseCapture(e)) {
                return true;
            }
            this._mouseDelayMet = !this.options.delay;
            if (!this._mouseDelayMet) {
                this._mouseDelayTimer = setTimeout(function() {
                    self._mouseDelayMet = true;
                }, this.options.delay);
            }
            if (this.mouseDistanceMet(e) && this.mouseDelayMet(e)) {
                this._mouseStarted = (this.mouseStart(e) !== false);
                if (!this._mouseStarted) {
                    e.preventDefault();
                    return true;
                }
            }
            // these delegates are required to keep context
            this._mouseMoveDelegate = function(e) {
                return self.mouseMove(e);
            };
            this._mouseUpDelegate = function(e) {
                return self.mouseUp(e);
            };
            $(document)
                .bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
                .bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
            return false;
        },
        mouseMove: function(e) {
            // IE mouseup check - mouseup happened when mouse was out of window
            if ($.browser.msie && !e.button) {
                return this.mouseUp(e);
            }
            if (this._mouseStarted) {
                this.mouseDrag(e);
                return false;
            }
            if (this.mouseDistanceMet(e) && this.mouseDelayMet(e)) {
                this._mouseStarted =
                    (this.mouseStart(this._mouseDownEvent, e) !== false);
                (this._mouseStarted ? this.mouseDrag(e) : this.mouseUp(e));
            }
            return !this._mouseStarted;
        },
        mouseUp: function(e) {
            $(document)
                .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
                .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
            if (this._mouseStarted) {
                this._mouseStarted = false;
                this.mouseStop(e);
            }
            return false;
        },
        mouseDistanceMet: function(e) {
            return (Math.max(
                    Math.abs(this._mouseDownEvent.pageX - e.pageX),
                    Math.abs(this._mouseDownEvent.pageY - e.pageY)
                ) >= this.options.distance
            );
        },
        mouseDelayMet: function(e) {
            return this._mouseDelayMet;
        },
        // These are placeholder methods, to be overriden by extending plugin
        mouseStart: function(e) {},
        mouseDrag: function(e) {},
        mouseStop: function(e) {},
        mouseCapture: function(e) { return true; }
    };

    $.ui.mouse.defaults = {
        cancel: null,
        distance: 1,
        delay: 0
    };

    })(jQuery);

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  • 原文地址:https://www.cnblogs.com/yuanxiaoping_21cn_com/p/1413132.html
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