jquery实现的鼠标拖动排序Li或Table

2020-05-17 06:20:23易采站长站整理

return self._getData(key);
}
})
.bind(‘remove’, function() {
return self.destroy();
});
};
// add widget prototype
$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
// TODO: merge getter and getterSetter properties from widget prototype
// and plugin prototype
$[namespace][name].getterSetter = ‘option’;
};
$.widget.prototype = {
_init: function() {},
destroy: function() {
this.element.removeData(this.widgetName)
.removeClass(this.widgetBaseClass + ‘-disabled’ + ‘ ‘ + this.namespace + ‘-state-disabled’)
.removeAttr(‘aria-disabled’);
},
option: function(key, value) {
var options = key,
self = this;
if (typeof key == “string”) {
if (value === undefined) {
return this._getData(key);
}
options = {};
options[key] = value;
}
$.each(options, function(key, value) {
self._setData(key, value);
});
},
_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’ + ‘ ‘ +
this.namespace + ‘-state-disabled’)
.attr(“aria-disabled”, value);
}
},
enable: function() {
this._setData(‘disabled’, false);
},
disable: function() {
this._setData(‘disabled’, true);
},
_trigger: function(type, event, data) {
var callback = this.options[type],
eventName = (type == this.widgetEventPrefix
? type : this.widgetEventPrefix + type);
event = $.Event(event);
event.type = eventName;
// copy original event properties over to the new event
// this would happen if we could call $.event.fix instead of $.Event
// but we don’t have a way to force an event to be fixed multiple times
if (event.originalEvent) {
for (var i = $.event.props.length, prop; i;) {
prop = $.event.props[–i];
event[prop] = event.originalEvent[prop];
}
}
this.element.trigger(event, data);
return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
|| event.isDefaultPrevented());
}
};
$.widget.defaults = {
disabled: false
};

/** Mouse Interaction Plugin **/
$.ui.mouse = {
_mouseInit: function() {
var self = this;
this.element
.bind(‘mousedown.’+this.widgetName, function(event) {
return self._mouseDown(event);
})
.bind(‘click.’+this.widgetName, function(event) {
if(self._preventClickEvent) {
self._preventClickEvent = false;
event.stopImmediatePropagation();
return false;
}
});
// Prevent text selection in IE
if ($.browser.msie) {
this._mouseUnselectable = this.element.attr(‘unselectable’);