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