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         cloudinit: 52,
  53         replication: 51,
  54         system: 50,
  55         monitor: 49,
  56         'ha-fencing': 48,
  57         'ha-groups': 47,
  58         'ha-resources': 46,
  59         'ceph-log': 45,
  60         'ceph-crushmap':44,
  61         'ceph-pools': 43,
  62         'ceph-osdtree': 42,
  63         'ceph-disklist': 41,
  64         'ceph-monlist': 40,
  65         'ceph-config': 39,
  66         ceph: 38,
  67         'firewall-fwlog': 37,
  68         'firewall-options': 36,
  69         'firewall-ipset': 35,
  70         'firewall-aliases': 34,
  71         'firewall-sg': 33,
  72         firewall: 32,
  73         apt: 31,
  74         members: 30,
  75         snapshot: 29,
  76         ha: 28,
  77         support: 27,
  78         pools: 26,
  79         syslog: 25,
  80         ubc: 24,
  81         initlog: 23,
  82         openvz: 22,
  83         backup: 21,
  84         resources: 20,
  85         content: 19,
  86         root: 18,
  87         domains: 17,
  88         roles: 16,
  89         groups: 15,
  90         users: 14,
  91         time: 13,
  92         dns: 12,
  93         network: 11,
  94         services: 10,
  95         options: 9,
  96         console: 8,
  97         hardware: 7,
  98         permissions: 6,
  99         summary: 5,
 100         tasks: 4,
 101         clog: 3,
 102         storage: 2,
 103         folder: 1,
 104         server: 0
 105     },
 106
 107     decodeHToken: function(token) {
 108         var me = this;
 109
 110         var state = {};
 111         if (!token) {
 112             Ext.Array.each(me.hslist, function(rec) {
 113                 state[rec[0]] = rec[1];
 114             });
 115             return state;
 116         }
 117
 118         // return Ext.urlDecode(token);
 119
 120         var items = token.split(':');
 121         var prefix = items.shift();
 122
 123         if (prefix != me.hprefix) {
 124             return me.decodeHToken();
 125         }
 126
 127         Ext.Array.each(me.hslist, function(rec) {
 128             var value = items.shift();
 129             if (value) {
 130                 if (value[0] === '=') {
 131                     value = decodeURIComponent(value.slice(1));
 132                 } else {
 133                     Ext.Object.each(me.compDict, function(key, cv) {
 134                         if (value == cv) {
 135                             value = key;
 136                             return false;
 137                         }
 138                     });
 139                 }
 140             }
 141             state[rec[0]] = value;
 142         });
 143
 144         return state;
 145     },
 146
 147     encodeHToken: function(state) {
 148         var me = this;
 149
 150         // return Ext.urlEncode(state);
 151
 152         var ctoken = me.hprefix;
 153         Ext.Array.each(me.hslist, function(rec) {
 154             var value = state[rec[0]];
 155             if (!Ext.isDefined(value)) {
 156                 value = rec[1];
 157             }
 158             value = encodeURIComponent(value);
 159             if (!value) {
 160                 ctoken += ':';
 161             } else {
 162                 var comp = me.compDict[value];
 163                 if (Ext.isDefined(comp)) {
 164                     ctoken += ":" + comp;
 165                 } else {
 166                     ctoken += ":=" + value;
 167                 }
 168             }
 169         });
 170
 171         return ctoken;
 172     },
 173
 174     constructor: function(config){
 175         var me = this;
 176
 177         me.callParent([config]);
 178
 179         me.UIState = me.decodeHToken(); // set default
 180
 181         var history_change_cb = function(token) {
 182             //console.log("HC " + token);
 183             if (!token) {
 184                 var res = window.confirm(gettext('Are you sure you want to navigate away from this page?'));
 185                 if (res){
 186                     // process text value and close...
 187                     Ext.History.back();
 188                 } else {
 189                     Ext.History.forward();
 190                 }
 191                 return;
 192             }
 193
 194             var newstate = me.decodeHToken(token);
 195             Ext.Array.each(me.hslist, function(rec) {
 196                 if (typeof newstate[rec[0]] == "undefined") {
 197                     return;
 198                 }
 199                 me.setHV(rec[0], newstate[rec[0]], true);
 200             });
 201         };
 202
 203         var start_token = Ext.History.getToken();
 204         if (start_token) {
 205             history_change_cb(start_token);
 206         } else {
 207             var htext = me.encodeHToken(me.UIState);
 208             Ext.History.add(htext);
 209         }
 210
 211         Ext.History.on('change', history_change_cb);
 212     },
 213
 214     get: function(name, defaultValue){
 215         /*jslint confusion: true */
 216         var me = this;
 217         var data;
 218
 219         if (typeof me.UIState[name] != "undefined") {
 220             data = { value: me.UIState[name] };
 221         } else {
 222             data = me.callParent(arguments);
 223             if (!data && name === 'GuiCap') {
 224                 data = { vms: {}, storage: {}, access: {}, nodes: {}, dc: {} };
 225             }
 226         }
 227
 228         //console.log("GET " + name + " " + Ext.encode(data));
 229         return data;
 230     },
 231
 232     clear: function(name){
 233         var me = this;
 234
 235         if (typeof me.UIState[name] != "undefined") {
 236             me.UIState[name] = null;
 237         }
 238
 239         me.callParent(arguments);
 240     },
 241
 242     set: function(name, value, fireevent){
 243         var me = this;
 244
 245         //console.log("SET " + name + " " + Ext.encode(value));
 246         if (typeof me.UIState[name] != "undefined") {
 247             var newvalue = value ? value.value : null;
 248             if (me.setHV(name, newvalue, fireevent)) {
 249                 var htext = me.encodeHToken(me.UIState);
 250                 Ext.History.add(htext);
 251             }
 252         } else {
 253             me.callParent(arguments);
 254         }
 255     }
 256 });