417 lines
18 KiB
JavaScript
417 lines
18 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2015
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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if (Common === undefined) {
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var Common = {};
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}
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define(["common/main/lib/extend/Bootstrap", "common/main/lib/component/BaseView", "common/main/lib/component/MenuItem", "common/main/lib/component/Scroller"], function () {
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Common.UI.Menu = (function () {
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var manager = (function () {
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var active = [],
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menus = {};
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return {
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register: function (menu) {
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menus[menu.id] = menu;
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menu.on("show:after", function (m) {
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active.push(m);
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}).on("hide:after", function (m) {
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var index = active.indexOf(m);
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if (index > -1) {
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active.splice(index, 1);
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}
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});
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},
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unregister: function (menu) {
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var index = active.indexOf(menu);
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delete menus[menu.id];
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if (index > -1) {
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active.splice(index, 1);
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}
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menu.off("show:after").off("hide:after");
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},
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hideAll: function () {
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Common.NotificationCenter.trigger("menumanager:hideall");
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if (active && active.length > 0) {
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_.each(active, function (menu) {
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menu.hide();
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});
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return true;
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}
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return false;
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}
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};
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})();
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return _.extend(Common.UI.BaseView.extend({
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options: {
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cls: "",
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style: "",
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itemTemplate: null,
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items: [],
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menuAlign: "tl-bl",
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menuAlignEl: null,
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offset: [0, 0]
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},
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template: _.template(['<ul class="dropdown-menu <%= options.cls %>" style="<%= options.style %>" role="menu"></ul>'].join("")),
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initialize: function (options) {
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Common.UI.BaseView.prototype.initialize.call(this, options);
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var me = this;
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this.id = this.options.id || Common.UI.getId();
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this.itemTemplate = this.options.itemTemplate || Common.UI.MenuItem.prototype.template;
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this.rendered = false;
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this.items = [];
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this.offset = [0, 0];
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this.menuAlign = this.options.menuAlign;
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this.menuAlignEl = this.options.menuAlignEl;
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_.each(this.options.items, function (item) {
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if (item instanceof Common.UI.MenuItem) {
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me.items.push(item);
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} else {
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me.items.push(new Common.UI.MenuItem(_.extend({
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tagName: "li",
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template: me.itemTemplate
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},
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item)));
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}
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});
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if (this.options.el) {
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this.render();
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}
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manager.register(this);
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},
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remove: function () {
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manager.unregister(this);
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Common.UI.BaseView.prototype.remove.call(this);
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},
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render: function (parentEl) {
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var me = this;
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this.trigger("render:before", this);
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this.cmpEl = $(this.el);
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if (parentEl) {
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this.setElement(parentEl, false);
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if (!me.rendered) {
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this.cmpEl = $(this.template({
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options: me.options
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}));
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parentEl.append(this.cmpEl);
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}
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} else {
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if (!me.rendered) {
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this.cmpEl = this.template({
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options: me.options
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});
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$(this.el).append(this.cmpEl);
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}
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}
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var rootEl = this.cmpEl.parent(),
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menuRoot = (rootEl.attr("role") === "menu") ? rootEl : rootEl.find("[role=menu]");
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if (menuRoot) {
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if (!me.rendered) {
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_.each(me.items || [], function (item) {
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menuRoot.append(item.render().el);
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item.on("click", _.bind(me.onItemClick, me));
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item.on("toggle", _.bind(me.onItemToggle, me));
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});
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}
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menuRoot.css({
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"max-height": me.options.maxHeight || "none",
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position: "fixed",
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right: "auto",
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left: -1000,
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top: -1000
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});
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this.parentEl = menuRoot.parent();
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this.parentEl.on("show.bs.dropdown", _.bind(me.onBeforeShowMenu, me));
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this.parentEl.on("shown.bs.dropdown", _.bind(me.onAfterShowMenu, me));
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this.parentEl.on("hide.bs.dropdown", _.bind(me.onBeforeHideMenu, me));
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this.parentEl.on("hidden.bs.dropdown", _.bind(me.onAfterHideMenu, me));
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this.parentEl.on("keydown.after.bs.dropdown", _.bind(me.onAfterKeydownMenu, me));
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menuRoot.on("scroll", _.bind(me.onScroll, me));
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menuRoot.hover(function (e) {
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me.isOver = true;
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},
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function (e) {
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me.isOver = false;
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});
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}
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this.rendered = true;
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this.trigger("render:after", this);
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return this;
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},
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isVisible: function () {
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return this.rendered && (this.cmpEl.is(":visible"));
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},
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show: function () {
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if (this.rendered && this.parentEl && !this.parentEl.hasClass("open")) {
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this.cmpEl.dropdown("toggle");
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}
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},
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hide: function () {
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if (this.rendered && this.parentEl && this.parentEl.hasClass("open")) {
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this.cmpEl.dropdown("toggle");
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}
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},
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insertItem: function (index, item) {
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var me = this,
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el = this.cmpEl;
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if (! (item instanceof Common.UI.MenuItem)) {
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item = new Common.UI.MenuItem(_.extend({
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tagName: "li",
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template: me.itemTemplate
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},
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item));
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}
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if (index < 0 || index >= me.items.length) {
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me.items.push(item);
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} else {
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me.items.splice(index, 0, item);
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}
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if (this.rendered) {
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var menuRoot = (el.attr("role") === "menu") ? el : el.find("[role=menu]");
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if (menuRoot) {
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if (index < 0) {
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menuRoot.append(item.render().el);
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} else {
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if (index === 0) {
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menuRoot.prepend(item.render().el);
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} else {
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$("li:nth-child(" + index + ")", menuRoot).before(item.render().el);
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}
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}
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item.on("click", _.bind(me.onItemClick, me));
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item.on("toggle", _.bind(me.onItemToggle, me));
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}
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}
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},
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doLayout: function () {
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if (this.options.maxHeight > 0) {
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if (!this.rendered) {
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this.mustLayout = true;
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return;
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}
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var me = this,
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el = this.cmpEl;
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var menuRoot = (el.attr("role") === "menu") ? el : el.find("[role=menu]");
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if (!menuRoot.is(":visible")) {
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var pos = [menuRoot.css("left"), menuRoot.css("top")];
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menuRoot.css({
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left: "-1000px",
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top: "-1000px",
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display: "block"
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});
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}
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var $items = menuRoot.find("li");
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if ($items.height() * $items.length > this.options.maxHeight) {
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var scroll = '<div class="menu-scroll top"></div>';
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menuRoot.prepend(scroll);
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scroll = '<div class="menu-scroll bottom"></div>';
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menuRoot.append(scroll);
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menuRoot.css({
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"box-shadow": "none",
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"overflow-y": "hidden",
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"padding-top": "18px"
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});
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menuRoot.find("> li:last-of-type").css("margin-bottom", 18);
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var addEvent = function (elem, type, fn) {
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elem.addEventListener ? elem.addEventListener(type, fn, false) : elem.attachEvent("on" + type, fn);
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};
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var eventname = (/Firefox/i.test(navigator.userAgent)) ? "DOMMouseScroll" : "mousewheel";
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addEvent(menuRoot[0], eventname, _.bind(this.onMouseWheel, this));
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menuRoot.find(".menu-scroll").on("click", _.bind(this.onScrollClick, this));
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}
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if (pos) {
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menuRoot.css({
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display: "",
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left: pos[0],
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top: pos[1]
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});
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}
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}
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},
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addItem: function (item) {
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this.insertItem(-1, item);
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},
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removeItem: function (item) {
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var me = this,
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index = me.items.indexOf(item);
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if (index > -1) {
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me.items.splice(index, 1);
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item.off("click").off("toggle");
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item.remove();
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}
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},
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removeAll: function () {
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var me = this;
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_.each(me.items, function (item) {
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item.off("click").off("toggle");
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item.remove();
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});
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me.items = [];
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},
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onBeforeShowMenu: function (e) {
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if (this.mustLayout) {
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delete this.mustLayout;
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this.doLayout.call(this);
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}
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this.trigger("show:before", this, e);
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this.alignPosition();
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},
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onAfterShowMenu: function (e) {
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this.trigger("show:after", this, e);
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if (this.$el.find("> ul > .menu-scroll").length) {
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var el = this.$el.find("li .checked")[0];
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if (el) {
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var offset = el.offsetTop - this.options.maxHeight / 2;
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this.scrollMenu(offset < 0 ? 0 : offset);
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}
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}
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},
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onBeforeHideMenu: function (e) {
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this.trigger("hide:before", this, e);
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if (Common.UI.Scroller.isMouseCapture()) {
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e.preventDefault();
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}
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},
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onAfterHideMenu: function (e) {
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this.trigger("hide:after", this, e);
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},
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onAfterKeydownMenu: function (e) {
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if (e.keyCode == Common.UI.Keys.RETURN) {
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var li = $(e.target).closest("li");
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if (li.length <= 0) {
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li = $(e.target).parent().find("li .dataview");
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}
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if (li.length > 0) {
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li.click();
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}
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} else {
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if (e.keyCode == Common.UI.Keys.UP || e.keyCode == Common.UI.Keys.DOWN) {
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this.fromKeyDown = true;
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}
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}
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},
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onScroll: function (item, e) {
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if (this.fromKeyDown) {
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var menuRoot = (this.cmpEl.attr("role") === "menu") ? this.cmpEl : this.cmpEl.find("[role=menu]");
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menuRoot.find(".menu-scroll.top").css("top", menuRoot.scrollTop() + "px");
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menuRoot.find(".menu-scroll.bottom").css("bottom", (-menuRoot.scrollTop()) + "px");
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}
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},
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onItemClick: function (item, e) {
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if (!item.menu) {
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this.isOver = false;
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}
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if (item.options.stopPropagation) {
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e.stopPropagation();
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var me = this;
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_.delay(function () {
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me.$el.parent().parent().find("[data-toggle=dropdown]").focus();
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},
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10);
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return;
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}
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this.trigger("item:click", this, item, e);
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},
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onItemToggle: function (item, state, e) {
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this.trigger("item:toggle", this, item, state, e);
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},
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onScrollClick: function (e) {
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this.scrollMenu(/top/.test(e.currentTarget.className));
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return false;
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},
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onMouseWheel: function (e) {
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this.scrollMenu(((e.detail && -e.detail) || e.wheelDelta) > 0);
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},
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scrollMenu: function (up) {
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this.fromKeyDown = false;
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var menuRoot = (this.cmpEl.attr("role") === "menu") ? this.cmpEl : this.cmpEl.find("[role=menu]"),
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value = typeof(up) === "boolean" ? menuRoot.scrollTop() + (up ? -20 : 20) : up;
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menuRoot.scrollTop(value);
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menuRoot.find(".menu-scroll.top").css("top", menuRoot.scrollTop() + "px");
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menuRoot.find(".menu-scroll.bottom").css("bottom", (-menuRoot.scrollTop()) + "px");
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},
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setOffset: function (offsetX, offsetY) {
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this.offset[0] = _.isUndefined(offsetX) ? this.offset[0] : offsetX;
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this.offset[1] = _.isUndefined(offsetY) ? this.offset[1] : offsetY;
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this.alignPosition();
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},
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getOffset: function () {
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return this.offset;
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},
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alignPosition: function () {
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var menuRoot = (this.cmpEl.attr("role") === "menu") ? this.cmpEl : this.cmpEl.find("[role=menu]"),
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menuParent = this.menuAlignEl || menuRoot.parent(),
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m = this.menuAlign.match(/^([a-z]+)-([a-z]+)/),
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offset = menuParent.offset(),
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docW = Math.min($(document).width(), $("body").width()),
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docH = $(document).height() - 10,
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menuW = menuRoot.outerWidth(),
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menuH = menuRoot.outerHeight(),
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parentW = menuParent.outerWidth(),
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parentH = menuParent.outerHeight();
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var posMenu = {
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"tl": [0, 0],
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"bl": [0, menuH],
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"tr": [menuW, 0],
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"br": [menuW, menuH]
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};
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var posParent = {
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"tl": [0, 0],
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"tr": [parentW, 0],
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"bl": [0, parentH],
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"br": [parentW, parentH]
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};
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var left = offset.left - posMenu[m[1]][0] + posParent[m[2]][0] + this.offset[0];
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var top = offset.top - posMenu[m[1]][1] + posParent[m[2]][1] + this.offset[1];
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if (left + menuW > docW) {
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if (menuParent.is("li.dropdown-submenu")) {
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left = offset.left - menuW + 2;
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} else {
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left = docW - menuW;
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}
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}
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if (top + menuH > docH) {
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top = docH - menuH;
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}
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if (top < 0) {
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top = 0;
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}
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menuRoot.css({
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left: left,
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top: top
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});
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}
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}), {
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Manager: (function () {
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return manager;
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})()
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});
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})();
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}); |