var Tabs = function (obj) { obj._$tabsPanel = $(obj.id + " > .tabs-panel"); obj._$tabs = $(obj.id + " > .tabs"); obj._stack = []; this.obj = obj; this.obj.STACKSIZE = 64; this._init(obj); }; $.extend(Tabs.prototype, { _init: function (obj) { var _that = this; obj._$tabs.on("click", "div", function (event) { var id = $(this).data("index"); _that.setCurrent(id); if (typeof (obj.clickAfter) === "function") { obj.clickAfter(id); } }); obj._$tabs.on("click", ".ico-close", function (event) { var id = $(this).parent().data("index"), isRemove = true; if (typeof obj.removeBefore === 'function') { isRemove = obj.removeBefore(id); } if (isRemove) { _that.del(id); } event.stopPropagation(); }); }, _hasId: function (id) { var $tabs = this.obj._$tabs; if ($tabs.find("div[data-index=" + id + "]").length === 0) { return false; } return true; }, add: function (data) { // 添加当前 tab if (this.getCurrentId() === data.id) { return false; } // 当前 tab 已经存在 if (this._hasId(data.id)) { this.setCurrent(data.id); return false; } var $tabsPanel = this.obj._$tabsPanel, $tabs = this.obj._$tabs; $tabs.append('
' + data.title + '
'); $tabsPanel.append('
' + data.content + '
'); this.setCurrent(data.id); if (typeof data.after === 'function') { data.after(); } }, del: function (id) { var $tabsPanel = this.obj._$tabsPanel, $tabs = this.obj._$tabs, stack = this.obj._stack, prevId = null; $tabs.children("div[data-index='" + id + "']").remove(); $tabsPanel.children("div[data-index='" + id + "']").remove(); // 移除堆栈中该 id for (var i = 0; i < stack.length; i++) { if (id === stack[i]) { stack.splice(i, 1); } } prevId = stack[stack.length - 1]; if (typeof this.obj.removeAfter === 'function') { this.obj.removeAfter(id, prevId); } this.setCurrent(prevId); }, getCurrentId: function () { var $tabs = this.obj._$tabs; return $tabs.children(".current").data("index"); }, setCurrent: function (id) { if (!id) { return false; } var $tabsPanel = this.obj._$tabsPanel, $tabs = this.obj._$tabs; var $currentTab = $tabs.children(".current"); if ($currentTab.data("index") === id) { return false; } // tab 顺序入栈,如栈满则清除 var stack = this.obj._stack; if (stack.length === this.obj.STACKSIZE) { stack.splice(0, 1); } if (stack[stack.length - 1] !== id) { this.obj._stack.push(id); } $tabs.children("div").removeClass("current"); $tabsPanel.children("div").hide(); $tabs.children("div[data-index='" + id + "']").addClass("current"); $tabsPanel.children("div[data-index='" + id + "']").show(); } });