582 lines
21 KiB
JavaScript
582 lines
21 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2017
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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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/**
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* TabBar.js
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*
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* Created by Maxim Kadushkin on 28 March 2014
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* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
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*
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*/
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define([
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'common/main/lib/component/BaseView',
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'common/main/lib/component/Tab'
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], function () {
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'use strict';
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var Events = {
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bind: function () {
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if (!this.o) this.o = $({});
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this.o.on.apply(this.o, arguments);
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},
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unbind: function () {
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if (this.o) this.o.off.apply(this.o, arguments);
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},
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trigger: function () {
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if (!this.o) this.o = $({});
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this.o.trigger.apply(this.o, arguments);
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}
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};
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var StateManager = function (options) {
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this.initialize.call(this, options);
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};
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_.extend(StateManager.prototype, Events);
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StateManager.prototype.initialize = function (options) {
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this.bar = options.bar;
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};
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StateManager.prototype.attach = function (tab) {
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tab.changeState = $.proxy(function () {
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this.trigger('tab:change', tab);
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this.bar.$el.find('ul > li.active').removeClass('active');
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tab.activate();
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this.bar.trigger('tab:changed', this.bar, this.bar.tabs.indexOf(tab), tab);
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}, this);
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var dragHelper = new (function() {
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return {
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bounds: [],
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drag: undefined,
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calculateBounds: function () {
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var me = this,
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length = me.bar.tabs.length,
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barBounds = me.bar.$bar.get(0).getBoundingClientRect();
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if (barBounds) {
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me.bounds = [];
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me.scrollLeft = me.bar.$bar.scrollLeft();
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me.bar.scrollX = this.scrollLeft;
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for (var i = 0; i < length; ++i) {
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this.bounds.push(me.bar.tabs[i].$el.get(0).getBoundingClientRect());
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}
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me.tabBarLeft = me.bounds[0].left;
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me.tabBarRight = me.bounds[length - 1].right;
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me.tabBarRight = Math.min(me.tabBarRight, barBounds.right - 1);
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}
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},
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setAbsTabs: function () {
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var me = this, tab = null, length = this.bounds.length;
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for (var i = 0; i < length; ++i) {
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tab = me.bar.tabs[i].$el;
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tab.css('position', 'absolute');
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tab.css('left', (me.bounds[i].left - me.tabBarLeft - this.scrollLeft) + 'px');
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if (tab.hasClass('active')) {
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tab.css('top', '1px');
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} else {
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tab.css('top', '0px');
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}
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}
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},
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updatePositions: function () {
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this.drag.place = undefined;
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var i, tabBound, center, place = -1, next = -this.scrollLeft,
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tabsCount = this.bounds.length,
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dragBound = this.drag.tab.$el.get(0).getBoundingClientRect();
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if (this.drag.moveX - this.drag.mouseX > 0) {
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for (i = tabsCount - 1; i >= 0; --i) {
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tabBound = this.bounds[i];
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center = (tabBound.right + tabBound.left) * 0.5;
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if (dragBound.left < center && center < dragBound.right) {
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place = i;
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break;
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}
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}
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if (-1 === place) {
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for (i = tabsCount - 1; i >= 0; --i) {
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tabBound = dragBound;
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center = (tabBound.right + tabBound.left) * 0.5;
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if (this.bounds[i].left < center && center < this.bounds[i].right) {
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place = i;
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break;
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}
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}
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}
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} else {
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for (i = 0; i < tabsCount; ++i) {
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tabBound = this.bounds[i];
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center = (tabBound.right + tabBound.left) * 0.5;
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if (dragBound.left < center && center < dragBound.right) {
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place = i;
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break;
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}
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}
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if (-1 === place) {
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for (i = 0; i < tabsCount; ++i) {
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tabBound = dragBound;
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center = (tabBound.right + tabBound.left) * 0.5;
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if (this.bounds[i].left < center && center < this.bounds[i].right) {
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place = i;
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break;
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}
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}
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}
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}
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if (-1 !== place) {
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this.drag.place = place;
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for (i = 0; i < tabsCount; ++i) {
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if (i === place) {
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if (place < this.drag.index) {
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next += this.drag.tabWidth;
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}
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}
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if (place > this.drag.index) {
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if (i === place + 1) {
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next += this.drag.tabWidth;
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}
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}
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if (i !== this.drag.index) {
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this.bar.tabs[i].$el.css('left', next + 'px');
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} else {
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if (this.drag.index === place) {
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next += this.drag.tabWidth;
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}
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continue;
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}
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next += this.bounds[i].width;
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}
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}
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},
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setHook: function(e, bar, tab) {
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var me = this;
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function dragComplete() {
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if (!_.isUndefined(me.drag)) {
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me.drag.tab.$el.css('z-index', '');
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me.bar.dragging = false;
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var tab = null;
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for (var i = me.bar.tabs.length - 1; i >= 0; --i) {
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tab = me.bar.tabs[i].$el;
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if (tab) {
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tab.css('top', '');
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tab.css('position', '');
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tab.css('left', '');
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}
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}
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if (!_.isUndefined(me.drag.place)) {
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me.bar.trigger('tab:move', me.drag.index, me.drag.place);
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me.bar.$bar.scrollLeft(me.scrollLeft);
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me.bar.scrollX = undefined;
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} else {
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me.bar.trigger('tab:move', me.drag.index);
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me.bar.$bar.scrollLeft(me.scrollLeft);
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me.bar.scrollX = undefined;
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}
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me.drag = undefined;
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}
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}
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function dragMove (e) {
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if (!_.isUndefined(me.drag)) {
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me.drag.moveX = e.clientX*Common.Utils.zoom();
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var leftPos = Math.max(me.drag.moveX - me.drag.anchorX - me.tabBarLeft - me.scrollLeft, 0);
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leftPos = Math.min(leftPos, me.tabBarRight - me.tabBarLeft - me.drag.tabWidth - me.scrollLeft);
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me.drag.tab.$el.css('left', leftPos + 'px');
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me.drag.tab.$el.css('z-index','100');
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me.updatePositions();
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}
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}
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function dragDropText (e) { // disable firefox drag&drop
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e.preventDefault();
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}
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if (!_.isUndefined(bar) && !_.isUndefined(tab) && bar.tabs.length > 1) {
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var index = bar.tabs.indexOf(tab),
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_clientX = e.clientX*Common.Utils.zoom();
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me.bar = bar;
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me.drag = {tab: tab, index: index};
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bar.dragging = true;
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this.calculateBounds();
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this.setAbsTabs();
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me.drag.moveX = _clientX;
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me.drag.mouseX = _clientX;
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me.drag.anchorX = _clientX - this.bounds[index].left;
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me.drag.tabWidth = this.bounds[index].width;
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document.addEventListener('dragstart',dragDropText);
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$(document).on('mousemove.tabbar', dragMove);
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$(document).on('mouseup.tabbar', function (e) {
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dragComplete(e);
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$(document).off('mouseup.tabbar');
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$(document).off('mousemove.tabbar');
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document.removeEventListener('dragstart',dragDropText);
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});
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}
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}
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}
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});
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tab.$el.on({
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click: $.proxy(function () {
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if (!tab.disabled && !tab.$el.hasClass('active')) {
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if (tab.control == 'manual') {
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this.bar.trigger('tab:manual', this.bar, this.bar.tabs.indexOf(tab), tab);
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} else {
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tab.changeState();
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}
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}
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!tab.disabled && Common.NotificationCenter.trigger('edit:complete', this.bar);
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}, this),
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dblclick: $.proxy(function() {
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this.trigger('tab:dblclick', this, this.tabs.indexOf(tab), tab);
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}, this.bar),
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contextmenu: $.proxy(function () {
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this.trigger('tab:contextmenu', this, this.tabs.indexOf(tab), tab);
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}, this.bar),
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mousedown: $.proxy(function (e) {
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if (this.bar.options.draggable && !_.isUndefined(dragHelper) && (3 !== e.which)) {
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if (!tab.isLockTheDrag) {
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dragHelper.setHook(e, this.bar, tab);
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}
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}
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}, this)
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});
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};
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StateManager.prototype.detach = function (tab) {
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tab.$el.off();
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};
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Common.UI.TabBar = Common.UI.BaseView.extend({
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config: {
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placement : 'top',
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items : [],
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draggable : false
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},
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tabs: [],
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template: _.template('<ul class="nav nav-tabs <%= placement %>" />'),
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initialize : function (options) {
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_.extend(this.config, options);
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Common.UI.BaseView.prototype.initialize.call(this, options);
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this.saved = [];
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},
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render: function () {
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this.$el.html(this.template(this.config));
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this.$bar = this.$el.find('ul');
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var addEvent = function( elem, type, fn ) {
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elem.addEventListener ? elem.addEventListener( type, fn, false ) : elem.attachEvent( "on" + type, fn );
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};
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var eventname=(/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
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addEvent(this.$bar[0], eventname, _.bind(this._onMouseWheel,this));
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this.manager = new StateManager({bar: this});
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this.insert(-1, this.config.items);
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this.insert(-1, this.saved);
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delete this.saved;
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Common.Gateway.on('processmouse', _.bind(this.onProcessMouse, this));
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this.rendered = true;
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return this;
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},
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_onMouseWheel: function(e) {
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var hidden = this.checkInvisible(true),
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forward = ((e.detail && -e.detail) || e.wheelDelta) > 0;
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if (forward) {
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if (hidden.last) {
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this.setTabVisible('forward');
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}
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} else {
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if (hidden.first) {
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this.setTabVisible('backward');
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}
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}
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},
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onProcessMouse: function(data) {
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if (data.type == 'mouseup' && this.dragging) {
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var tab = this.getActive(true);
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if (tab)
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tab.mouseup();
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}
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},
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add: function(tabs) {
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return this.insert(-1, tabs) > 0;
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},
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insert: function(index, tabs) {
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var count = 0;
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if (tabs) {
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if (!(tabs instanceof Array)) tabs = [tabs];
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if (tabs.length) {
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count = tabs.length;
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if (this.rendered) {
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var me = this, tab;
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if (index < 0 || index > me.tabs.length) {
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for (var i = 0; i < tabs.length; i++) {
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tab = new Common.UI.Tab(tabs[i]);
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me.$bar.append(tab.render().$el);
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me.tabs.push(tab);
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me.manager.attach(tab);
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}
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} else {
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for (i = tabs.length; i-- > 0 ; ) {
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tab = new Common.UI.Tab(tabs[i]);
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if (index === 0) {
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me.$bar.prepend(tab.render().$el);
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me.tabs.unshift(tab);
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} else {
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me.$bar.find('li:nth-child(' + index + ')').before(tab.render().$el);
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me.tabs.splice(index, 0, tab);
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}
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me.manager.attach(tab);
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}
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}
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} else {
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this.saved.push(tabs)
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}
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this.checkInvisible();
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}
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}
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return count;
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},
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remove: function(index) {
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if (index >= 0 && index < this.tabs.length) {
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var tab = this.tabs.splice(index, 1)[0];
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this.manager.detach(tab);
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tab.$el.remove();
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this.checkInvisible();
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}
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},
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empty: function(suppress) {
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var me = this;
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this.tabs.forEach(function(tab){
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me.manager.detach(tab);
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});
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this.$bar.empty();
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me.tabs = [];
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this.checkInvisible(suppress);
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},
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setActive: function(t) {
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if (t instanceof Common.UI.Tab) {
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tab = t;
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} else
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if (typeof t == 'number') {
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if (t >= 0 && t < this.tabs.length) {
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var tab = this.tabs[t];
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}
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}
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if(tab && tab.control != 'manual' && !tab.disabled && !tab.$el.hasClass('active')){
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tab.changeState();
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}
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this.checkInvisible();
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},
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getActive: function(iselem) {
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return iselem ? this.$bar.find('> li.active') : this.$bar.find('> li.active').index();
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},
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getAt: function(index) {
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return (index >= 0 && index < this.tabs.length) ? this.tabs[index] : undefined;
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},
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getCount: function() {
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return this.tabs.length;
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},
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addClass: function(cls) {
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if (cls.length && !this.$bar.hasClass(cls))
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this.$bar.addClass(cls);
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},
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removeClass: function(cls) {
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if (cls.length && this.$bar.hasClass(cls))
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this.$bar.removeClass(cls);
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},
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hasClass: function(cls) {
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return this.$bar.hasClass(cls);
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},
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setTabVisible: function(index, suppress) {
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if (index <= 0 || index == 'first') {
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this.$bar.scrollLeft(0);
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this.checkInvisible(suppress);
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} else if ( index >= (this.tabs.length - 1) || index == 'last') {
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var tab = this.tabs[this.tabs.length-1].$el;
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this.$bar.scrollLeft(this.$bar.scrollLeft() + (tab.position().left + parseInt(tab.css('width')) - this.$bar.width()) + 1);
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this.checkInvisible(suppress);
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} else {
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var rightbound = this.$bar.width(),
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tab, right, left;
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if (index == 'forward') {
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for (var i = 0; i < this.tabs.length; i++) {
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tab = this.tabs[i].$el;
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right = tab.position().left + parseInt(tab.css('width'));
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if (right > rightbound) {
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this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + 20);
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this.checkInvisible(suppress);
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break;
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}
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}
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} else if (index == 'backward') {
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for (i = this.tabs.length; i-- > 0; ) {
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tab = this.tabs[i].$el;
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left = tab.position().left;
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if (left < 0) {
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this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
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this.checkInvisible(suppress);
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break;
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}
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}
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} else if (typeof index == 'number') {
|
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tab = this.tabs[index].$el;
|
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left = tab.position().left;
|
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right = left + parseInt(tab.css('width'));
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if (left < 0) {
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this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
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this.checkInvisible(suppress);
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} else if (right > rightbound) {
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this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + 20);
|
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this.checkInvisible(suppress);
|
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}
|
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}
|
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}
|
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},
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|
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checkInvisible: function(suppress) {
|
|
var result = {
|
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first: !this.isTabVisible(0),
|
|
last: !this.isTabVisible(this.tabs.length-1)
|
|
};
|
|
|
|
!suppress && this.fireEvent('tab:invisible', this, result);
|
|
return result;
|
|
},
|
|
|
|
hasInvisible: function() {
|
|
var _left_bound_ = this.$bar.offset().left,
|
|
_right_bound_ = _left_bound_ + this.$bar.width();
|
|
|
|
for (var i = this.tabs.length; i-- > 0; ) {
|
|
if (!this.isTabVisible(i, _left_bound_, _right_bound_)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
isTabVisible: function(index) {
|
|
var leftbound = arguments[1] || this.$bar.offset().left,
|
|
rightbound = arguments[2] || (leftbound + this.$bar.width()),
|
|
left, right, tab, rect;
|
|
|
|
if (index < this.tabs.length && index >= 0) {
|
|
tab = this.tabs[index].$el;
|
|
rect = tab.get(0).getBoundingClientRect();
|
|
left = rect.left;
|
|
right = rect.right;
|
|
|
|
//left = tab.position().left;
|
|
//right = left + tab.width();
|
|
|
|
return !(left < leftbound) && !(right > rightbound);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
});
|
|
});
|