www/manager6/StateProvider.js

   1 /* This state provider keeps part of the state inside
   2  * the browser history.
   3  *
   4  * We compress (shorten) url using dictionary based compression
   5  * i.e. use column separated list instead of url encoded hash:
   6  * #v\d*       version/format
   7  * :=          indicates string values
   8  * :\d+        lookup value in dictionary hash
   9  * #v1:=value1:5:=value2:=value3:...
  10 */
  11
  12 Ext.define('PVE.StateProvider', {
  13     extend: 'Ext.state.LocalStorageProvider',
  14
  15     // private
  16     setHV: function(name, newvalue, fireEvents) {
  17         var me = this;
  18
  19         var changes = false;
  20         var oldtext = Ext.encode(me.UIState[name]);
  21         var newtext = Ext.encode(newvalue);
  22         if (newtext != oldtext) {
  23             changes = true;
  24             me.UIState[name] = newvalue;
  25             //console.log("changed old " + name + " " + oldtext);
  26             //console.log("changed new " + name + " " + newtext);
  27             if (fireEvents) {
  28                 me.fireEvent("statechange", me, name, { value: newvalue });
  29             }
  30         }
  31         return changes;
  32     },
  33
  34     // private
  35     hslist: [
  36         // order is important for notifications
  37         // [ name, default ]
  38         ['view', 'server'],
  39         ['rid', 'root'],
  40         ['ltab', 'tasks'],
  41         ['nodetab', ''],
  42         ['storagetab', ''],
  43         ['pooltab', ''],
  44         ['kvmtab', ''],
  45         ['lxctab', ''],
  46         ['dctab', '']
  47     ],
  48
  49     hprefix: 'v1',
  50
  51     compDict: {
  52         system: 50,
  53         monitor: 49,
  54         'ha-fencing': 48,
  55         'ha-groups': 47,
  56         'ha-resources': 46,
  57         'ceph-log': 45,
  58         'ceph-crushmap':44,
  59         'ceph-pools': 43,
  60         'ceph-osdtree': 42,
  61         'ceph-disklist': 41,
  62         'ceph-monlist': 40,
  63         'ceph-config': 39,
  64         ceph: 38,
  65         'firewall-fwlog': 37,
  66         'firewall-options': 36,
  67         'firewall-ipset': 35,
  68         'firewall-aliases': 34,
  69         'firewall-sg': 33,
  70         firewall: 32,
  71         apt: 31,
  72         members: 30,
  73         snapshot: 29,
  74         ha: 28,
  75         support: 27,
  76         pools: 26,
  77         syslog: 25,
  78         ubc: 24,
  79         initlog: 23,
  80         openvz: 22,
  81         backup: 21,
  82         resources: 20,
  83         content: 19,
  84         root: 18,
  85         domains: 17,
  86         roles: 16,
  87         groups: 15,
  88         users: 14,
  89         time: 13,
  90         dns: 12,
  91         network: 11,
  92         services: 10,
  93         options: 9,
  94         console: 8,
  95         hardware: 7,
  96         permissions: 6,
  97         summary: 5,
  98         tasks: 4,
  99         clog: 3,
 100         storage: 2,
 101         folder: 1,
 102         server: 0
 103     },
 104
 105     decodeHToken: function(token) {
 106         var me = this;
 107
 108         var state = {};
 109         if (!token) {
 110             Ext.Array.each(me.hslist, function(rec) {
 111                 state[rec[0]] = rec[1];
 112             });
 113             return state;
 114         }
 115
 116         // return Ext.urlDecode(token);
 117
 118         var items = token.split(':');
 119         var prefix = items.shift();
 120
 121         if (prefix != me.hprefix) {
 122             return me.decodeHToken();
 123         }
 124
 125         Ext.Array.each(me.hslist, function(rec) {
 126             var value = items.shift();
 127             if (value) {
 128                 if (value[0] === '=') {
 129                     value = decodeURIComponent(value.slice(1));
 130                 } else {
 131                     Ext.Object.each(me.compDict, function(key, cv) {
 132                         if (value == cv) {
 133                             value = key;
 134                             return false;
 135                         }
 136                     });
 137                 }
 138             }
 139             state[rec[0]] = value;
 140         });
 141
 142         return state;
 143     },
 144
 145     encodeHToken: function(state) {
 146         var me = this;
 147
 148         // return Ext.urlEncode(state);
 149
 150         var ctoken = me.hprefix;
 151         Ext.Array.each(me.hslist, function(rec) {
 152             var value = state[rec[0]];
 153             if (!Ext.isDefined(value)) {
 154                 value = rec[1];
 155             }
 156             value = encodeURIComponent(value);
 157             if (!value) {
 158                 ctoken += ':';
 159             } else {
 160                 var comp = me.compDict[value];
 161                 if (Ext.isDefined(comp)) {
 162                     ctoken += ":" + comp;
 163                 } else {
 164                     ctoken += ":=" + value;
 165                 }
 166             }
 167         });
 168
 169         return ctoken;
 170     },
 171
 172     constructor: function(config){
 173         var me = this;
 174
 175         me.callParent([config]);
 176
 177         me.UIState = me.decodeHToken(); // set default
 178
 179         var history_change_cb = function(token) {
 180             //console.log("HC " + token);
 181             if (!token) {
 182                 var res = window.confirm(gettext('Are you sure you want to navigate away from this page?'));
 183                 if (res){
 184                     // process text value and close...
 185                     Ext.History.back();
 186                 } else {
 187                     Ext.History.forward();
 188                 }
 189                 return;
 190             }
 191
 192             var newstate = me.decodeHToken(token);
 193             Ext.Array.each(me.hslist, function(rec) {
 194                 if (typeof newstate[rec[0]] == "undefined") {
 195                     return;
 196                 }
 197                 me.setHV(rec[0], newstate[rec[0]], true);
 198             });
 199         };
 200
 201         var start_token = Ext.History.getToken();
 202         if (start_token) {
 203             history_change_cb(start_token);
 204         } else {
 205             var htext = me.encodeHToken(me.UIState);
 206             Ext.History.add(htext);
 207         }
 208
 209         Ext.History.on('change', history_change_cb);
 210     },
 211
 212     get: function(name, defaultValue){
 213         /*jslint confusion: true */
 214         var me = this;
 215         var data;
 216
 217         if (typeof me.UIState[name] != "undefined") {
 218             data = { value: me.UIState[name] };
 219         } else {
 220             data = me.callParent(arguments);
 221             if (!data && name === 'GuiCap') {
 222                 data = { vms: {}, storage: {}, access: {}, nodes: {}, dc: {} };
 223             }
 224         }
 225
 226         //console.log("GET " + name + " " + Ext.encode(data));
 227         return data;
 228     },
 229
 230     clear: function(name){
 231         var me = this;
 232
 233         if (typeof me.UIState[name] != "undefined") {
 234             me.UIState[name] = null;
 235         }
 236
 237         me.callParent(arguments);
 238     },
 239
 240     set: function(name, value){
 241         var me = this;
 242
 243         //console.log("SET " + name + " " + Ext.encode(value));
 244         if (typeof me.UIState[name] != "undefined") {
 245             var newvalue = value ? value.value : null;
 246             if (me.setHV(name, newvalue, false)) {
 247                 var htext = me.encodeHToken(me.UIState);
 248                 Ext.History.add(htext);
 249             }
 250         } else {
 251             me.callParent(arguments);
 252         }
 253     }
 254 });