[PATCH] Persist opened nodes in tree
| От | Versus Void |
|---|---|
| Тема | [PATCH] Persist opened nodes in tree |
| Дата | |
| Msg-id | 20170718084200.6634-2-chaoskeeper@mail.ru обсуждение исходный текст |
| Ответ на | [PATCH] Persist opened nodes in tree (Versus Void <chaoskeeper@mail.ru>) |
| Ответы |
Re: [PATCH] Persist opened nodes in tree
(Dave Page <dpage@pgadmin.org>)
|
| Список | pgadmin-hackers |
---web/pgadmin/browser/__init__.py | 13 +-.../browser/static/vendor/jStorage/jstorage.js | 996
+++++++++++++++++++++.../browser/static/vendor/jStorage/jstorage.min.js| 16
+.../browser/templates/browser/js/browser.js | 6 +-4 files changed, 1029 insertions(+), 2 deletions(-)create
mode100644 web/pgadmin/browser/static/vendor/jStorage/jstorage.jscreate mode 100644
web/pgadmin/browser/static/vendor/jStorage/jstorage.min.js
diff --git a/web/pgadmin/browser/__init__.py b/web/pgadmin/browser/__init__.py
index 77e052f0..ecf3afba 100644
--- a/web/pgadmin/browser/__init__.py
+++ b/web/pgadmin/browser/__init__.py
@@ -100,13 +100,24 @@ class BrowserModule(PgAdminModule): 'preloaded': True })
scripts.append({
+ 'name': 'jStorage',
+ 'path': url_for(
+ 'browser.static',
+ filename='vendor/jStorage/jstorage' if
+ current_app.debug else 'vendor/jStorage/jstorage.min'
+ ),
+ 'deps': ['jquery'],
+ 'exports': 'jStorage',
+ 'preloaded': True
+ })
+ scripts.append({ 'name': 'jquery.acitree', 'path': url_for(
'browser.static', filename='vendor/aciTree/jquery.aciTree' if current_app.debug else
'vendor/aciTree/jquery.aciTree.min' ),
- 'deps': ['jquery', 'jquery.aciplugin'],
+ 'deps': ['jquery', 'jquery.aciplugin', 'jStorage'], 'exports':
'aciPluginClass.plugins.aciTree', 'preloaded': True })
diff --git a/web/pgadmin/browser/static/vendor/jStorage/jstorage.js
b/web/pgadmin/browser/static/vendor/jStorage/jstorage.js
new file mode 100644
index 00000000..1ac8fccc
--- /dev/null
+++ b/web/pgadmin/browser/static/vendor/jStorage/jstorage.js
@@ -0,0 +1,996 @@
+/*
+ * ----------------------------- JSTORAGE -------------------------------------
+ * Simple local storage wrapper to save data on the browser side, supporting
+ * all major browsers - IE6+, Firefox2+, Safari4+, Chrome4+ and Opera 10.5+
+ *
+ * Author: Andris Reinman, andris.reinman@gmail.com
+ * Project homepage: www.jstorage.info
+ *
+ * Licensed under Unlicense:
+ *
+ * This is free and unencumbered software released into the public domain.
+ *
+ * Anyone is free to copy, modify, publish, use, compile, sell, or
+ * distribute this software, either in source code form or as a compiled
+ * binary, for any purpose, commercial or non-commercial, and by any
+ * means.
+ *
+ * In jurisdictions that recognize copyright laws, the author or authors
+ * of this software dedicate any and all copyright interest in the
+ * software to the public domain. We make this dedication for the benefit
+ * of the public at large and to the detriment of our heirs and
+ * successors. We intend this dedication to be an overt act of
+ * relinquishment in perpetuity of all present and future rights to this
+ * software under copyright law.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * For more information, please refer to <http://unlicense.org/>
+ */
+
+/* global ActiveXObject: false */
+/* jshint browser: true */
+
+(function() {
+ 'use strict';
+
+ var
+ /* jStorage version */
+ JSTORAGE_VERSION = '0.4.12',
+
+ /* detect a dollar object or create one if not found */
+ $ = window.jQuery || window.$ || (window.$ = {}),
+
+ /* check for a JSON handling support */
+ JSON = {
+ parse: window.JSON && (window.JSON.parse || window.JSON.decode) ||
+ String.prototype.evalJSON && function(str) {
+ return String(str).evalJSON();
+ } ||
+ $.parseJSON ||
+ $.evalJSON,
+ stringify: Object.toJSON ||
+ window.JSON && (window.JSON.stringify || window.JSON.encode) ||
+ $.toJSON
+ };
+
+ // Break if no JSON support was found
+ if (typeof JSON.parse !== 'function' || typeof JSON.stringify !== 'function') {
+ throw new Error('No JSON support found, include //cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.js to
page');
+ }
+
+ var
+ /* This is the object, that holds the cached values */
+ _storage = {
+ __jstorage_meta: {
+ CRC32: {}
+ }
+ },
+
+ /* Actual browser storage (localStorage or globalStorage['domain']) */
+ _storage_service = {
+ jStorage: '{}'
+ },
+
+ /* DOM element for older IE versions, holds userData behavior */
+ _storage_elm = null,
+
+ /* How much space does the storage take */
+ _storage_size = 0,
+
+ /* which backend is currently used */
+ _backend = false,
+
+ /* onchange observers */
+ _observers = {},
+
+ /* timeout to wait after onchange event */
+ _observer_timeout = false,
+
+ /* last update time */
+ _observer_update = 0,
+
+ /* pubsub observers */
+ _pubsub_observers = {},
+
+ /* skip published items older than current timestamp */
+ _pubsub_last = +new Date(),
+
+ /* Next check for TTL */
+ _ttl_timeout,
+
+ /**
+ * XML encoding and decoding as XML nodes can't be JSON'ized
+ * XML nodes are encoded and decoded if the node is the value to be saved
+ * but not if it's as a property of another object
+ * Eg. -
+ * $.jStorage.set('key', xmlNode); // IS OK
+ * $.jStorage.set('key', {xml: xmlNode}); // NOT OK
+ */
+ _XMLService = {
+
+ /**
+ * Validates a XML node to be XML
+ * based on jQuery.isXML function
+ */
+ isXML: function(elm) {
+ var documentElement = (elm ? elm.ownerDocument || elm : 0).documentElement;
+ return documentElement ? documentElement.nodeName !== 'HTML' : false;
+ },
+
+ /**
+ * Encodes a XML node to string
+ * based on http://www.mercurytide.co.uk/news/article/issues-when-working-ajax/
+ */
+ encode: function(xmlNode) {
+ if (!this.isXML(xmlNode)) {
+ return false;
+ }
+ try { // Mozilla, Webkit, Opera
+ return new XMLSerializer().serializeToString(xmlNode);
+ } catch (E1) {
+ try { // IE
+ return xmlNode.xml;
+ } catch (E2) {}
+ }
+ return false;
+ },
+
+ /**
+ * Decodes a XML node from string
+ * loosely based on http://outwestmedia.com/jquery-plugins/xmldom/
+ */
+ decode: function(xmlString) {
+ var dom_parser = ('DOMParser' in window && (new DOMParser()).parseFromString) ||
+ (window.ActiveXObject && function(_xmlString) {
+ var xml_doc = new ActiveXObject('Microsoft.XMLDOM');
+ xml_doc.async = 'false';
+ xml_doc.loadXML(_xmlString);
+ return xml_doc;
+ }),
+ resultXML;
+ if (!dom_parser) {
+ return false;
+ }
+ resultXML = dom_parser.call('DOMParser' in window && (new DOMParser()) || window, xmlString,
'text/xml');
+ return this.isXML(resultXML) ? resultXML : false;
+ }
+ };
+
+
+ ////////////////////////// PRIVATE METHODS ////////////////////////
+
+ /**
+ * Initialization function. Detects if the browser supports DOM Storage
+ * or userData behavior and behaves accordingly.
+ */
+ function _init() {
+ /* Check if browser supports localStorage */
+ var localStorageReallyWorks = false;
+ if ('localStorage' in window) {
+ try {
+ window.localStorage.setItem('_tmptest', 'tmpval');
+ localStorageReallyWorks = true;
+ window.localStorage.removeItem('_tmptest');
+ } catch (BogusQuotaExceededErrorOnIos5) {
+ // Thanks be to iOS5 Private Browsing mode which throws
+ // QUOTA_EXCEEDED_ERRROR DOM Exception 22.
+ }
+ }
+
+ if (localStorageReallyWorks) {
+ try {
+ if (window.localStorage) {
+ _storage_service = window.localStorage;
+ _backend = 'localStorage';
+ _observer_update = _storage_service.jStorage_update;
+ }
+ } catch (E3) { /* Firefox fails when touching localStorage and cookies are disabled */ }
+ }
+ /* Check if browser supports globalStorage */
+ else if ('globalStorage' in window) {
+ try {
+ if (window.globalStorage) {
+ if (window.location.hostname == 'localhost') {
+ _storage_service = window.globalStorage['localhost.localdomain'];
+ } else {
+ _storage_service = window.globalStorage[window.location.hostname];
+ }
+ _backend = 'globalStorage';
+ _observer_update = _storage_service.jStorage_update;
+ }
+ } catch (E4) { /* Firefox fails when touching localStorage and cookies are disabled */ }
+ }
+ /* Check if browser supports userData behavior */
+ else {
+ _storage_elm = document.createElement('link');
+ if (_storage_elm.addBehavior) {
+
+ /* Use a DOM element to act as userData storage */
+ _storage_elm.style.behavior = 'url(#default#userData)';
+
+ /* userData element needs to be inserted into the DOM! */
+ document.getElementsByTagName('head')[0].appendChild(_storage_elm);
+
+ try {
+ _storage_elm.load('jStorage');
+ } catch (E) {
+ // try to reset cache
+ _storage_elm.setAttribute('jStorage', '{}');
+ _storage_elm.save('jStorage');
+ _storage_elm.load('jStorage');
+ }
+
+ var data = '{}';
+ try {
+ data = _storage_elm.getAttribute('jStorage');
+ } catch (E5) {}
+
+ try {
+ _observer_update = _storage_elm.getAttribute('jStorage_update');
+ } catch (E6) {}
+
+ _storage_service.jStorage = data;
+ _backend = 'userDataBehavior';
+ } else {
+ _storage_elm = null;
+ return;
+ }
+ }
+
+ // Load data from storage
+ _load_storage();
+
+ // remove dead keys
+ _handleTTL();
+
+ // start listening for changes
+ _setupObserver();
+
+ // initialize publish-subscribe service
+ _handlePubSub();
+
+ // handle cached navigation
+ if ('addEventListener' in window) {
+ window.addEventListener('pageshow', function(event) {
+ if (event.persisted) {
+ _storageObserver();
+ }
+ }, false);
+ }
+ }
+
+ /**
+ * Reload data from storage when needed
+ */
+ function _reloadData() {
+ var data = '{}';
+
+ if (_backend == 'userDataBehavior') {
+ _storage_elm.load('jStorage');
+
+ try {
+ data = _storage_elm.getAttribute('jStorage');
+ } catch (E5) {}
+
+ try {
+ _observer_update = _storage_elm.getAttribute('jStorage_update');
+ } catch (E6) {}
+
+ _storage_service.jStorage = data;
+ }
+
+ _load_storage();
+
+ // remove dead keys
+ _handleTTL();
+
+ _handlePubSub();
+ }
+
+ /**
+ * Sets up a storage change observer
+ */
+ function _setupObserver() {
+ if (_backend == 'localStorage' || _backend == 'globalStorage') {
+ if ('addEventListener' in window) {
+ window.addEventListener('storage', _storageObserver, false);
+ } else {
+ document.attachEvent('onstorage', _storageObserver);
+ }
+ } else if (_backend == 'userDataBehavior') {
+ setInterval(_storageObserver, 1000);
+ }
+ }
+
+ /**
+ * Fired on any kind of data change, needs to check if anything has
+ * really been changed
+ */
+ function _storageObserver() {
+ var updateTime;
+ // cumulate change notifications with timeout
+ clearTimeout(_observer_timeout);
+ _observer_timeout = setTimeout(function() {
+
+ if (_backend == 'localStorage' || _backend == 'globalStorage') {
+ updateTime = _storage_service.jStorage_update;
+ } else if (_backend == 'userDataBehavior') {
+ _storage_elm.load('jStorage');
+ try {
+ updateTime = _storage_elm.getAttribute('jStorage_update');
+ } catch (E5) {}
+ }
+
+ if (updateTime && updateTime != _observer_update) {
+ _observer_update = updateTime;
+ _checkUpdatedKeys();
+ }
+
+ }, 25);
+ }
+
+ /**
+ * Reloads the data and checks if any keys are changed
+ */
+ function _checkUpdatedKeys() {
+ var oldCrc32List = JSON.parse(JSON.stringify(_storage.__jstorage_meta.CRC32)),
+ newCrc32List;
+
+ _reloadData();
+ newCrc32List = JSON.parse(JSON.stringify(_storage.__jstorage_meta.CRC32));
+
+ var key,
+ updated = [],
+ removed = [];
+
+ for (key in oldCrc32List) {
+ if (oldCrc32List.hasOwnProperty(key)) {
+ if (!newCrc32List[key]) {
+ removed.push(key);
+ continue;
+ }
+ if (oldCrc32List[key] != newCrc32List[key] && String(oldCrc32List[key]).substr(0, 2) == '2.') {
+ updated.push(key);
+ }
+ }
+ }
+
+ for (key in newCrc32List) {
+ if (newCrc32List.hasOwnProperty(key)) {
+ if (!oldCrc32List[key]) {
+ updated.push(key);
+ }
+ }
+ }
+
+ _fireObservers(updated, 'updated');
+ _fireObservers(removed, 'deleted');
+ }
+
+ /**
+ * Fires observers for updated keys
+ *
+ * @param {Array|String} keys Array of key names or a key
+ * @param {String} action What happened with the value (updated, deleted, flushed)
+ */
+ function _fireObservers(keys, action) {
+ keys = [].concat(keys || []);
+
+ var i, j, len, jlen;
+
+ if (action == 'flushed') {
+ keys = [];
+ for (var key in _observers) {
+ if (_observers.hasOwnProperty(key)) {
+ keys.push(key);
+ }
+ }
+ action = 'deleted';
+ }
+ for (i = 0, len = keys.length; i < len; i++) {
+ if (_observers[keys[i]]) {
+ for (j = 0, jlen = _observers[keys[i]].length; j < jlen; j++) {
+ _observers[keys[i]][j](keys[i], action);
+ }
+ }
+ if (_observers['*']) {
+ for (j = 0, jlen = _observers['*'].length; j < jlen; j++) {
+ _observers['*'][j](keys[i], action);
+ }
+ }
+ }
+ }
+
+ /**
+ * Publishes key change to listeners
+ */
+ function _publishChange() {
+ var updateTime = (+new Date()).toString();
+
+ if (_backend == 'localStorage' || _backend == 'globalStorage') {
+ try {
+ _storage_service.jStorage_update = updateTime;
+ } catch (E8) {
+ // safari private mode has been enabled after the jStorage initialization
+ _backend = false;
+ }
+ } else if (_backend == 'userDataBehavior') {
+ _storage_elm.setAttribute('jStorage_update', updateTime);
+ _storage_elm.save('jStorage');
+ }
+
+ _storageObserver();
+ }
+
+ /**
+ * Loads the data from the storage based on the supported mechanism
+ */
+ function _load_storage() {
+ /* if jStorage string is retrieved, then decode it */
+ if (_storage_service.jStorage) {
+ try {
+ _storage = JSON.parse(String(_storage_service.jStorage));
+ } catch (E6) {
+ _storage_service.jStorage = '{}';
+ }
+ } else {
+ _storage_service.jStorage = '{}';
+ }
+ _storage_size = _storage_service.jStorage ? String(_storage_service.jStorage).length : 0;
+
+ if (!_storage.__jstorage_meta) {
+ _storage.__jstorage_meta = {};
+ }
+ if (!_storage.__jstorage_meta.CRC32) {
+ _storage.__jstorage_meta.CRC32 = {};
+ }
+ }
+
+ /**
+ * This functions provides the 'save' mechanism to store the jStorage object
+ */
+ function _save() {
+ _dropOldEvents(); // remove expired events
+ try {
+ _storage_service.jStorage = JSON.stringify(_storage);
+ // If userData is used as the storage engine, additional
+ if (_storage_elm) {
+ _storage_elm.setAttribute('jStorage', _storage_service.jStorage);
+ _storage_elm.save('jStorage');
+ }
+ _storage_size = _storage_service.jStorage ? String(_storage_service.jStorage).length : 0;
+ } catch (E7) { /* probably cache is full, nothing is saved this way*/ }
+ }
+
+ /**
+ * Function checks if a key is set and is string or numberic
+ *
+ * @param {String} key Key name
+ */
+ function _checkKey(key) {
+ if (typeof key != 'string' && typeof key != 'number') {
+ throw new TypeError('Key name must be string or numeric');
+ }
+ if (key == '__jstorage_meta') {
+ throw new TypeError('Reserved key name');
+ }
+ return true;
+ }
+
+ /**
+ * Removes expired keys
+ */
+ function _handleTTL() {
+ var curtime, i, TTL, CRC32, nextExpire = Infinity,
+ changed = false,
+ deleted = [];
+
+ clearTimeout(_ttl_timeout);
+
+ if (!_storage.__jstorage_meta || typeof _storage.__jstorage_meta.TTL != 'object') {
+ // nothing to do here
+ return;
+ }
+
+ curtime = +new Date();
+ TTL = _storage.__jstorage_meta.TTL;
+
+ CRC32 = _storage.__jstorage_meta.CRC32;
+ for (i in TTL) {
+ if (TTL.hasOwnProperty(i)) {
+ if (TTL[i] <= curtime) {
+ delete TTL[i];
+ delete CRC32[i];
+ delete _storage[i];
+ changed = true;
+ deleted.push(i);
+ } else if (TTL[i] < nextExpire) {
+ nextExpire = TTL[i];
+ }
+ }
+ }
+
+ // set next check
+ if (nextExpire != Infinity) {
+ _ttl_timeout = setTimeout(_handleTTL, Math.min(nextExpire - curtime, 0x7FFFFFFF));
+ }
+
+ // save changes
+ if (changed) {
+ _save();
+ _publishChange();
+ _fireObservers(deleted, 'deleted');
+ }
+ }
+
+ /**
+ * Checks if there's any events on hold to be fired to listeners
+ */
+ function _handlePubSub() {
+ var i, len;
+ if (!_storage.__jstorage_meta.PubSub) {
+ return;
+ }
+ var pubelm,
+ _pubsubCurrent = _pubsub_last,
+ needFired = [];
+
+ for (i = len = _storage.__jstorage_meta.PubSub.length - 1; i >= 0; i--) {
+ pubelm = _storage.__jstorage_meta.PubSub[i];
+ if (pubelm[0] > _pubsub_last) {
+ _pubsubCurrent = pubelm[0];
+ needFired.unshift(pubelm);
+ }
+ }
+
+ for (i = needFired.length - 1; i >= 0; i--) {
+ _fireSubscribers(needFired[i][1], needFired[i][2]);
+ }
+
+ _pubsub_last = _pubsubCurrent;
+ }
+
+ /**
+ * Fires all subscriber listeners for a pubsub channel
+ *
+ * @param {String} channel Channel name
+ * @param {Mixed} payload Payload data to deliver
+ */
+ function _fireSubscribers(channel, payload) {
+ if (_pubsub_observers[channel]) {
+ for (var i = 0, len = _pubsub_observers[channel].length; i < len; i++) {
+ // send immutable data that can't be modified by listeners
+ try {
+ _pubsub_observers[channel][i](channel, JSON.parse(JSON.stringify(payload)));
+ } catch (E) {}
+ }
+ }
+ }
+
+ /**
+ * Remove old events from the publish stream (at least 2sec old)
+ */
+ function _dropOldEvents() {
+ if (!_storage.__jstorage_meta.PubSub) {
+ return;
+ }
+
+ var retire = +new Date() - 2000;
+
+ for (var i = 0, len = _storage.__jstorage_meta.PubSub.length; i < len; i++) {
+ if (_storage.__jstorage_meta.PubSub[i][0] <= retire) {
+ // deleteCount is needed for IE6
+ _storage.__jstorage_meta.PubSub.splice(i, _storage.__jstorage_meta.PubSub.length - i);
+ break;
+ }
+ }
+
+ if (!_storage.__jstorage_meta.PubSub.length) {
+ delete _storage.__jstorage_meta.PubSub;
+ }
+
+ }
+
+ /**
+ * Publish payload to a channel
+ *
+ * @param {String} channel Channel name
+ * @param {Mixed} payload Payload to send to the subscribers
+ */
+ function _publish(channel, payload) {
+ if (!_storage.__jstorage_meta) {
+ _storage.__jstorage_meta = {};
+ }
+ if (!_storage.__jstorage_meta.PubSub) {
+ _storage.__jstorage_meta.PubSub = [];
+ }
+
+ _storage.__jstorage_meta.PubSub.unshift([+new Date(), channel, payload]);
+
+ _save();
+ _publishChange();
+ }
+
+
+ /**
+ * JS Implementation of MurmurHash2
+ *
+ * SOURCE: https://github.com/garycourt/murmurhash-js (MIT licensed)
+ *
+ * @author <a href='mailto:gary.court@gmail.com'>Gary Court</a>
+ * @see http://github.com/garycourt/murmurhash-js
+ * @author <a href='mailto:aappleby@gmail.com'>Austin Appleby</a>
+ * @see http://sites.google.com/site/murmurhash/
+ *
+ * @param {string} str ASCII only
+ * @param {number} seed Positive integer only
+ * @return {number} 32-bit positive integer hash
+ */
+
+ function murmurhash2_32_gc(str, seed) {
+ var
+ l = str.length,
+ h = seed ^ l,
+ i = 0,
+ k;
+
+ while (l >= 4) {
+ k =
+ ((str.charCodeAt(i) & 0xff)) |
+ ((str.charCodeAt(++i) & 0xff) << 8) |
+ ((str.charCodeAt(++i) & 0xff) << 16) |
+ ((str.charCodeAt(++i) & 0xff) << 24);
+
+ k = (((k & 0xffff) * 0x5bd1e995) + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+ k ^= k >>> 24;
+ k = (((k & 0xffff) * 0x5bd1e995) + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+
+ h = (((h & 0xffff) * 0x5bd1e995) + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16)) ^ k;
+
+ l -= 4;
+ ++i;
+ }
+
+ switch (l) {
+ case 3:
+ h ^= (str.charCodeAt(i + 2) & 0xff) << 16;
+ /* falls through */
+ case 2:
+ h ^= (str.charCodeAt(i + 1) & 0xff) << 8;
+ /* falls through */
+ case 1:
+ h ^= (str.charCodeAt(i) & 0xff);
+ h = (((h & 0xffff) * 0x5bd1e995) + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+ }
+
+ h ^= h >>> 13;
+ h = (((h & 0xffff) * 0x5bd1e995) + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+ h ^= h >>> 15;
+
+ return h >>> 0;
+ }
+
+ ////////////////////////// PUBLIC INTERFACE /////////////////////////
+
+ $.jStorage = {
+ /* Version number */
+ version: JSTORAGE_VERSION,
+
+ /**
+ * Sets a key's value.
+ *
+ * @param {String} key Key to set. If this value is not set or not
+ * a string an exception is raised.
+ * @param {Mixed} value Value to set. This can be any value that is JSON
+ * compatible (Numbers, Strings, Objects etc.).
+ * @param {Object} [options] - possible options to use
+ * @param {Number} [options.TTL] - optional TTL value, in milliseconds
+ * @return {Mixed} the used value
+ */
+ set: function(key, value, options) {
+ _checkKey(key);
+
+ options = options || {};
+
+ // undefined values are deleted automatically
+ if (typeof value == 'undefined') {
+ this.deleteKey(key);
+ return value;
+ }
+
+ if (_XMLService.isXML(value)) {
+ value = {
+ _is_xml: true,
+ xml: _XMLService.encode(value)
+ };
+ } else if (typeof value == 'function') {
+ return undefined; // functions can't be saved!
+ } else if (value && typeof value == 'object') {
+ // clone the object before saving to _storage tree
+ value = JSON.parse(JSON.stringify(value));
+ }
+
+ _storage[key] = value;
+
+ _storage.__jstorage_meta.CRC32[key] = '2.' + murmurhash2_32_gc(JSON.stringify(value), 0x9747b28c);
+
+ this.setTTL(key, options.TTL || 0); // also handles saving and _publishChange
+
+ _fireObservers(key, 'updated');
+ return value;
+ },
+
+ /**
+ * Looks up a key in cache
+ *
+ * @param {String} key - Key to look up.
+ * @param {mixed} def - Default value to return, if key didn't exist.
+ * @return {Mixed} the key value, default value or null
+ */
+ get: function(key, def) {
+ _checkKey(key);
+ if (key in _storage) {
+ if (_storage[key] && typeof _storage[key] == 'object' && _storage[key]._is_xml) {
+ return _XMLService.decode(_storage[key].xml);
+ } else {
+ return _storage[key];
+ }
+ }
+ return typeof(def) == 'undefined' ? null : def;
+ },
+
+ /**
+ * Deletes a key from cache.
+ *
+ * @param {String} key - Key to delete.
+ * @return {Boolean} true if key existed or false if it didn't
+ */
+ deleteKey: function(key) {
+ _checkKey(key);
+ if (key in _storage) {
+ delete _storage[key];
+ // remove from TTL list
+ if (typeof _storage.__jstorage_meta.TTL == 'object' &&
+ key in _storage.__jstorage_meta.TTL) {
+ delete _storage.__jstorage_meta.TTL[key];
+ }
+
+ delete _storage.__jstorage_meta.CRC32[key];
+
+ _save();
+ _publishChange();
+ _fireObservers(key, 'deleted');
+ return true;
+ }
+ return false;
+ },
+
+ /**
+ * Sets a TTL for a key, or remove it if ttl value is 0 or below
+ *
+ * @param {String} key - key to set the TTL for
+ * @param {Number} ttl - TTL timeout in milliseconds
+ * @return {Boolean} true if key existed or false if it didn't
+ */
+ setTTL: function(key, ttl) {
+ var curtime = +new Date();
+ _checkKey(key);
+ ttl = Number(ttl) || 0;
+ if (key in _storage) {
+
+ if (!_storage.__jstorage_meta.TTL) {
+ _storage.__jstorage_meta.TTL = {};
+ }
+
+ // Set TTL value for the key
+ if (ttl > 0) {
+ _storage.__jstorage_meta.TTL[key] = curtime + ttl;
+ } else {
+ delete _storage.__jstorage_meta.TTL[key];
+ }
+
+ _save();
+
+ _handleTTL();
+
+ _publishChange();
+ return true;
+ }
+ return false;
+ },
+
+ /**
+ * Gets remaining TTL (in milliseconds) for a key or 0 when no TTL has been set
+ *
+ * @param {String} key Key to check
+ * @return {Number} Remaining TTL in milliseconds
+ */
+ getTTL: function(key) {
+ var curtime = +new Date(),
+ ttl;
+ _checkKey(key);
+ if (key in _storage && _storage.__jstorage_meta.TTL && _storage.__jstorage_meta.TTL[key]) {
+ ttl = _storage.__jstorage_meta.TTL[key] - curtime;
+ return ttl || 0;
+ }
+ return 0;
+ },
+
+ /**
+ * Deletes everything in cache.
+ *
+ * @return {Boolean} Always true
+ */
+ flush: function() {
+ _storage = {
+ __jstorage_meta: {
+ CRC32: {}
+ }
+ };
+ _save();
+ _publishChange();
+ _fireObservers(null, 'flushed');
+ return true;
+ },
+
+ /**
+ * Returns a read-only copy of _storage
+ *
+ * @return {Object} Read-only copy of _storage
+ */
+ storageObj: function() {
+ function F() {}
+ F.prototype = _storage;
+ return new F();
+ },
+
+ /**
+ * Returns an index of all used keys as an array
+ * ['key1', 'key2',..'keyN']
+ *
+ * @return {Array} Used keys
+ */
+ index: function() {
+ var index = [],
+ i;
+ for (i in _storage) {
+ if (_storage.hasOwnProperty(i) && i != '__jstorage_meta') {
+ index.push(i);
+ }
+ }
+ return index;
+ },
+
+ /**
+ * How much space in bytes does the storage take?
+ *
+ * @return {Number} Storage size in chars (not the same as in bytes,
+ * since some chars may take several bytes)
+ */
+ storageSize: function() {
+ return _storage_size;
+ },
+
+ /**
+ * Which backend is currently in use?
+ *
+ * @return {String} Backend name
+ */
+ currentBackend: function() {
+ return _backend;
+ },
+
+ /**
+ * Test if storage is available
+ *
+ * @return {Boolean} True if storage can be used
+ */
+ storageAvailable: function() {
+ return !!_backend;
+ },
+
+ /**
+ * Register change listeners
+ *
+ * @param {String} key Key name
+ * @param {Function} callback Function to run when the key changes
+ */
+ listenKeyChange: function(key, callback) {
+ _checkKey(key);
+ if (!_observers[key]) {
+ _observers[key] = [];
+ }
+ _observers[key].push(callback);
+ },
+
+ /**
+ * Remove change listeners
+ *
+ * @param {String} key Key name to unregister listeners against
+ * @param {Function} [callback] If set, unregister the callback, if not - unregister all
+ */
+ stopListening: function(key, callback) {
+ _checkKey(key);
+
+ if (!_observers[key]) {
+ return;
+ }
+
+ if (!callback) {
+ delete _observers[key];
+ return;
+ }
+
+ for (var i = _observers[key].length - 1; i >= 0; i--) {
+ if (_observers[key][i] == callback) {
+ _observers[key].splice(i, 1);
+ }
+ }
+ },
+
+ /**
+ * Subscribe to a Publish/Subscribe event stream
+ *
+ * @param {String} channel Channel name
+ * @param {Function} callback Function to run when the something is published to the channel
+ */
+ subscribe: function(channel, callback) {
+ channel = (channel || '').toString();
+ if (!channel) {
+ throw new TypeError('Channel not defined');
+ }
+ if (!_pubsub_observers[channel]) {
+ _pubsub_observers[channel] = [];
+ }
+ _pubsub_observers[channel].push(callback);
+ },
+
+ /**
+ * Publish data to an event stream
+ *
+ * @param {String} channel Channel name
+ * @param {Mixed} payload Payload to deliver
+ */
+ publish: function(channel, payload) {
+ channel = (channel || '').toString();
+ if (!channel) {
+ throw new TypeError('Channel not defined');
+ }
+
+ _publish(channel, payload);
+ },
+
+ /**
+ * Reloads the data from browser storage
+ */
+ reInit: function() {
+ _reloadData();
+ },
+
+ /**
+ * Removes reference from global objects and saves it as jStorage
+ *
+ * @param {Boolean} option if needed to save object as simple 'jStorage' in windows context
+ */
+ noConflict: function(saveInGlobal) {
+ delete window.$.jStorage;
+
+ if (saveInGlobal) {
+ window.jStorage = this;
+ }
+
+ return this;
+ }
+ };
+
+ // Initialize jStorage
+ _init();
+
+})();
\ No newline at end of file
diff --git a/web/pgadmin/browser/static/vendor/jStorage/jstorage.min.js
b/web/pgadmin/browser/static/vendor/jStorage/jstorage.min.js
new file mode 100644
index 00000000..ecde658e
--- /dev/null
+++ b/web/pgadmin/browser/static/vendor/jStorage/jstorage.min.js
@@ -0,0 +1,16 @@
+(function(){function C(){var
a="{}";if("userDataBehavior"==f){g.load("jStorage");try{a=g.getAttribute("jStorage")}catch(b){}try{r=g.getAttribute("jStorage_update")}catch(c){}h.jStorage=a}D();x();E()}function
u(){vara;clearTimeout(F);F=setTimeout(function(){if("localStorage"==f||"globalStorage"==f)a=h.jStorage_update;else
if("userDataBehavior"==f){g.load("jStorage");try{a=g.getAttribute("jStorage_update")}catch(b){}}if(a&&a!=r){r=a;var
l=p.parse(p.stringify(c.__jstorage_meta.CRC32)),k;C();k=p.parse(p.stringify(c.__jstorage_meta.CRC32));
+var d,n=[],e=[];for(d in
l)l.hasOwnProperty(d)&&(k[d]?l[d]!=k[d]&&"2."==String(l[d]).substr(0,2)&&n.push(d):e.push(d));for(din
k)k.hasOwnProperty(d)&&(l[d]||n.push(d));s(n,"updated");s(e,"deleted")}},25)}functions(a,b){a=[].concat(a||[]);var
c,k,d,n;if("flushed"==b){a=[];for(cin
m)m.hasOwnProperty(c)&&a.push(c);b="deleted"}c=0;for(d=a.length;c<d;c++){if(m[a[c]])for(k=0,n=m[a[c]].length;k<n;k++)m[a[c]][k](a[c],b);if(m["*"])for(k=0,n=m["*"].length;k<n;k++)m["*"][k](a[c],b)}}function
v(){vara=(+new Date).toString();
+if("localStorage"==f||"globalStorage"==f)try{h.jStorage_update=a}catch(b){f=!1}else"userDataBehavior"==f&&(g.setAttribute("jStorage_update",a),g.save("jStorage"));u()}function
D(){if(h.jStorage)try{c=p.parse(String(h.jStorage))}catch(a){h.jStorage="{}"}else
h.jStorage="{}";z=h.jStorage?String(h.jStorage).length:0;c.__jstorage_meta||(c.__jstorage_meta={});c.__jstorage_meta.CRC32||(c.__jstorage_meta.CRC32={})}function
w(){if(c.__jstorage_meta.PubSub){for(vara=+new Date-2E3,b=0,l=c.__jstorage_meta.PubSub.length;b<
+l;b++)if(c.__jstorage_meta.PubSub[b][0]<=a){c.__jstorage_meta.PubSub.splice(b,c.__jstorage_meta.PubSub.length-b);break}c.__jstorage_meta.PubSub.length||delete
c.__jstorage_meta.PubSub}try{h.jStorage=p.stringify(c),g&&(g.setAttribute("jStorage",h.jStorage),g.save("jStorage")),z=h.jStorage?String(h.jStorage).length:0}catch(k){}}function
q(a){if("string"!=typeofa&&"number"!=typeof a)throw new TypeError("Key name must be string or
numeric");if("__jstorage_meta"==a)thrownew TypeError("Reserved key name");
+return!0}function x(){var a,b,l,k,d=Infinity,n=!1,e=[];clearTimeout(G);if(c.__jstorage_meta&&"object"==typeof
c.__jstorage_meta.TTL){a=+newDate;l=c.__jstorage_meta.TTL;k=c.__jstorage_meta.CRC32;for(b in
l)l.hasOwnProperty(b)&&(l[b]<=a?(deletel[b],delete k[b],delete
c[b],n=!0,e.push(b)):l[b]<d&&(d=l[b]));Infinity!=d&&(G=setTimeout(x,Math.min(d-a,2147483647)));n&&(w(),v(),s(e,"deleted"))}}function
E(){vara;if(c.__jstorage_meta.PubSub){var b,l=A,k=[];for(a=c.__jstorage_meta.PubSub.length-1;0<=a;a--)b=
+c.__jstorage_meta.PubSub[a],b[0]>A&&(l=b[0],k.unshift(b));for(a=k.length-1;0<=a;a--){b=k[a][1];var
d=k[a][2];if(t[b])for(varn=0,e=t[b].length;n<e;n++)try{t[b][n](b,p.parse(p.stringify(d)))}catch(g){}}A=l}}var
y=window.jQuery||window.$||(window.$={}),p={parse:window.JSON&&(window.JSON.parse||window.JSON.decode)||String.prototype.evalJSON&&function(a){return
String(a).evalJSON()}||y.parseJSON||y.evalJSON,stringify:Object.toJSON||window.JSON&&(window.JSON.stringify||window.JSON.encode)||y.toJSON};if("function"!==
+typeof p.parse||"function"!==typeof p.stringify)throw Error("No JSON support found, include
//cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.jsto page");var
c={__jstorage_meta:{CRC32:{}}},h={jStorage:"{}"},g=null,z=0,f=!1,m={},F=!1,r=0,t={},A=+new
Date,G,B={isXML:function(a){return(a=(a?a.ownerDocument||a:0).documentElement)?"HTML"!==a.nodeName:!1},encode:function(a){if(!this.isXML(a))return!1;try{return(new
XMLSerializer).serializeToString(a)}catch(b){try{returna.xml}catch(c){}}return!1},
+decode:function(a){var b="DOMParser"in window&&(new DOMParser).parseFromString||window.ActiveXObject&&function(a){var
b=newActiveXObject("Microsoft.XMLDOM");b.async="false";b.loadXML(a);return b};if(!b)return!1;a=b.call("DOMParser"in
window&&newDOMParser||window,a,"text/xml");return
this.isXML(a)?a:!1}};y.jStorage={version:"0.4.12",set:function(a,b,l){q(a);l=l||{};if("undefined"==typeofb)return
this.deleteKey(a),b;if(B.isXML(b))b={_is_xml:!0,xml:B.encode(b)};else{if("function"==typeofb)return;
+b&&"object"==typeof b&&(b=p.parse(p.stringify(b)))}c[a]=b;for(var
k=c.__jstorage_meta.CRC32,d=p.stringify(b),g=d.length,e=2538058380^g,h=0,f;4<=g;)f=d.charCodeAt(h)&255|(d.charCodeAt(++h)&255)<<8|(d.charCodeAt(++h)&255)<<16|(d.charCodeAt(++h)&255)<<24,f=1540483477*(f&65535)+((1540483477*(f>>>16)&65535)<<16),f^=f>>>24,f=1540483477*(f&65535)+((1540483477*(f>>>16)&65535)<<16),e=1540483477*(e&65535)+((1540483477*(e>>>16)&65535)<<16)^f,g-=4,++h;switch(g){case
3:e^=(d.charCodeAt(h+2)&255)<<16;case2:e^=
+(d.charCodeAt(h+1)&255)<<8;case
1:e^=d.charCodeAt(h)&255,e=1540483477*(e&65535)+((1540483477*(e>>>16)&65535)<<16)}e^=e>>>13;e=1540483477*(e&65535)+((1540483477*(e>>>16)&65535)<<16);k[a]="2."+((e^e>>>15)>>>0);this.setTTL(a,l.TTL||0);s(a,"updated");return
b},get:function(a,b){q(a);returna in c?c[a]&&"object"==typeof
c[a]&&c[a]._is_xml?B.decode(c[a].xml):c[a]:"undefined"==typeofb?null:b},deleteKey:function(a){q(a);return a in
c?(deletec[a],"object"==typeof c.__jstorage_meta.TTL&&a in c.__jstorage_meta.TTL&&
+delete c.__jstorage_meta.TTL[a],delete
c.__jstorage_meta.CRC32[a],w(),v(),s(a,"deleted"),!0):!1},setTTL:function(a,b){varl=+new
Date;q(a);b=Number(b)||0;returna in
c?(c.__jstorage_meta.TTL||(c.__jstorage_meta.TTL={}),0<b?c.__jstorage_meta.TTL[a]=l+b:delete
c.__jstorage_meta.TTL[a],w(),x(),v(),!0):!1},getTTL:function(a){varb=+new Date;q(a);return a in
c&&c.__jstorage_meta.TTL&&c.__jstorage_meta.TTL[a]?(a=c.__jstorage_meta.TTL[a]-b)||0:0},flush:function(){c={__jstorage_meta:{CRC32:{}}};w();v();s(null,
+"flushed");return!0},storageObj:function(){function a(){}a.prototype=c;return new a},index:function(){var a=[],b;for(b
inc)c.hasOwnProperty(b)&&"__jstorage_meta"!=b&&a.push(b);return a},storageSize:function(){return
z},currentBackend:function(){return
f},storageAvailable:function(){return!!f},listenKeyChange:function(a,b){q(a);m[a]||(m[a]=[]);m[a].push(b)},stopListening:function(a,b){q(a);if(m[a])if(b)for(var
c=m[a].length-1;0<=c;c--)m[a][c]==b&&m[a].splice(c,1);elsedelete m[a]},subscribe:function(a,
+b){a=(a||"").toString();if(!a)throw new TypeError("Channel not
defined");t[a]||(t[a]=[]);t[a].push(b)},publish:function(a,b){a=(a||"").toString();if(!a)thrownew TypeError("Channel
not
defined");c.__jstorage_meta||(c.__jstorage_meta={});c.__jstorage_meta.PubSub||(c.__jstorage_meta.PubSub=[]);c.__jstorage_meta.PubSub.unshift([+new
Date,a,b]);w();v()},reInit:function(){C()},noConflict:function(a){delete
window.$.jStorage;a&&(window.jStorage=this);returnthis}};(function(){var a=!1;if("localStorage"in
+window)try{window.localStorage.setItem("_tmptest","tmpval"),a=!0,window.localStorage.removeItem("_tmptest")}catch(b){}if(a)try{window.localStorage&&(h=window.localStorage,f="localStorage",r=h.jStorage_update)}catch(c){}else
if("globalStorage"in
window)try{window.globalStorage&&(h="localhost"==window.location.hostname?window.globalStorage["localhost.localdomain"]:window.globalStorage[window.location.hostname],f="globalStorage",r=h.jStorage_update)}catch(k){}else
if(g=document.createElement("link"),
+g.addBehavior){g.style.behavior="url(#default#userData)";document.getElementsByTagName("head")[0].appendChild(g);try{g.load("jStorage")}catch(d){g.setAttribute("jStorage","{}"),g.save("jStorage"),g.load("jStorage")}a="{}";try{a=g.getAttribute("jStorage")}catch(m){}try{r=g.getAttribute("jStorage_update")}catch(e){}h.jStorage=a;f="userDataBehavior"}else{g=null;return}D();x();"localStorage"==f||"globalStorage"==f?"addEventListener"in
window?window.addEventListener("storage",u,!1):document.attachEvent("onstorage",
+u):"userDataBehavior"==f&&setInterval(u,1E3);E();"addEventListener"in
window&&window.addEventListener("pageshow",function(a){a.persisted&&u()},!1)})()})();
\ No newline at end of file
diff --git a/web/pgadmin/browser/templates/browser/js/browser.js b/web/pgadmin/browser/templates/browser/js/browser.js
index 6b260dc8..a38ed764 100644
--- a/web/pgadmin/browser/templates/browser/js/browser.js
+++ b/web/pgadmin/browser/templates/browser/js/browser.js
@@ -68,6 +68,9 @@ define( if (n) settings.url = n.generate_url(item, 'children', d, true);
}
+ if (item != null && settings.url == url_for('browser.nodes')) {
+ settings.url = null;
+ } }, loaderDelay: 100, show: {
@@ -78,7 +81,8 @@ define( }, view: { duration: 75
- }
+ },
+ persist: 'nodes' }); b.tree = $('#tree').aciTree('api');
--
2.13.3
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