init repo

OfficeWeb/apps/common/main/lib/plugin/DataViewScrollPane.js

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+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.DataViewScrollPane", {
+    extend: "Common.plugin.ScrollPane",
+    alias: "plugin.dataviewscrollpane",
+    areaSelector: ".x-component",
+    init: function (cmp) {
+        var me = this,
+        store;
+        me.callParent(arguments);
+        store = me.cmp.getStore();
+        if (store) {
+            store.on("datachanged", function () {
+                me.cmp && me.cmp.rendered && me.cmp.getWidth() > 0 && me.cmp.getHeight() > 0 && me.updateScrollPane();
+            },
+            me, {
+                buffer: 10
+            });
+        }
+        me.cmp.on("viewready", me.onViewReady, me, {
+            single: true
+        });
+    },
+    onKeyDown: function (e, eOpts) {
+        var me = this;
+        var store = me.cmp.getStore();
+        var highlightAt = function (index) {
+            var item = me.cmp.getNode(store.getAt(index)),
+            itemEl = Ext.create("Ext.Element", item);
+            if (item) {
+                var container = Ext.getDom(me.cmp.getTargetEl()) || Ext.getBody().dom;
+                var offsets = itemEl.getOffsetsTo(container),
+                top = offsets[1] + container.scrollTop,
+                bottom = top + item.offsetHeight,
+                ctClientHeight = container.clientHeight,
+                ctScrollTop = parseInt(container.scrollTop, 10),
+                ctBottom = ctScrollTop + ctClientHeight;
+                if (item.offsetHeight > ctClientHeight || top < ctScrollTop) {
+                    if (me.jspApi) {
+                        me.jspApi.scrollByY(top, false);
+                    }
+                } else {
+                    if (bottom > ctBottom) {
+                        if (me.jspApi) {
+                            me.jspApi.scrollByY(bottom - ctClientHeight, false);
+                        }
+                    }
+                }
+            }
+        };
+        switch (e.getKey()) {
+        case e.UP:
+            case e.DOWN:
+            var currItem = me.cmp.getSelectionModel().getLastSelected(),
+            currItemIdx = currItem ? store.indexOf(currItem) : -1;
+            highlightAt(currItemIdx);
+            break;
+        case e.PAGE_UP:
+            case e.PAGE_DOWN:
+            break;
+        case e.HOME:
+            me.cmp.select(0);
+            highlightAt(0);
+            break;
+        case e.END:
+            me.cmp.select(store.count() - 1);
+            highlightAt(store.count() - 1);
+            break;
+        }
+    },
+    onViewReady: function () {
+        var me = this;
+        me.cmp.getEl().on("keydown", me.onKeyDown, me);
+    }
+});