133 lines
5.1 KiB
JavaScript
133 lines
5.1 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2014
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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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Ext.define("Common.plugin.ComboBoxScrollPane", {
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extend: "Common.plugin.ScrollPane",
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alias: "plugin.comboboxscrollpane",
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areaSelector: ".list-ct",
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init: function (comboBox) {
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comboBox.on("expand", this.onExpand, this);
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},
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onExpand: function (comboBox) {
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var me = this;
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if (!me.picker) {
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me.picker = comboBox.getPicker();
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me.picker.on({
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viewready: me.onViewReady,
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resize: function () {
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me.updateScrollPane();
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},
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beforecontainerclick: function () {
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return false;
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},
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beforeitemmouseenter: function (picker, record, item, index, event, opts) {
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if (comboBox.scrolllocked) {
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return false;
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}
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},
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scope: me
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});
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me.cmp.on("afterlayout", me.onViewReady, me, {
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single: true
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});
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comboBox.on("keydown", me.onKeyDown, me);
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var store = comboBox.getStore();
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store.on("datachanged", me.onDataChanged, me, {
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buffer: 10
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});
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}
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},
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onKeyDown: function (cmp, e, eOpts) {
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var me = this;
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var highlightAt = function (index) {
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var boundList = me.picker,
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item = boundList.all.item(index);
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if (item) {
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var container = Ext.getDom(boundList.getTargetEl()) || Ext.getBody().dom;
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var el = item.dom,
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offsets = item.getOffsetsTo(container),
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top = offsets[1] + container.scrollTop,
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bottom = top + el.offsetHeight,
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ctClientHeight = container.clientHeight,
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ctScrollTop = parseInt(container.scrollTop, 10),
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ctBottom = ctScrollTop + ctClientHeight;
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if (el.offsetHeight > ctClientHeight || top < ctScrollTop) {
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if (me.jspApi) {
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me.jspApi.scrollByY(top, false);
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}
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} else {
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if (bottom > ctBottom) {
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if (me.jspApi) {
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me.jspApi.scrollByY(bottom - ctClientHeight, false);
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}
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}
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}
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}
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};
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switch (e.getKey()) {
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case e.UP:
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var boundList = me.picker,
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allItems = boundList.all,
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oldItem = boundList.highlightedItem,
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oldItemIdx = oldItem ? boundList.indexOf(oldItem) : -1,
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newItemIdx = oldItemIdx > 0 ? oldItemIdx - 1 : allItems.getCount() - 1;
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highlightAt(newItemIdx);
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break;
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case e.DOWN:
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var boundList = me.picker,
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allItems = boundList.all,
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oldItem = boundList.highlightedItem,
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oldItemIdx = oldItem ? boundList.indexOf(oldItem) : -1,
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newItemIdx = oldItemIdx < allItems.getCount() - 1 ? oldItemIdx + 1 : 0;
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highlightAt(newItemIdx);
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break;
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case e.PAGE_UP:
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case e.PAGE_DOWN:
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break;
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case e.HOME:
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highlightAt(0);
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break;
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case e.END:
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highlightAt(me.picker.all.getCount() - 1);
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break;
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}
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},
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onViewReady: function () {
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var me = this;
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me.initScrollPane(me.picker.getEl().dom);
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},
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onDataChanged: function () {
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var me = this;
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if (me.picker.getWidth() && me.picker.getHeight()) {
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me.initScrollPane(me.picker.getEl().dom);
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}
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}
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}); |