mixin/CBind.js

   1 Ext.define('Proxmox.Mixin.CBind', {
   2     extend: 'Ext.Mixin',
   3
   4     mixinConfig: {
   5         before: {
   6             initComponent: 'cloneTemplates'
   7         }
   8     },
   9
  10     cloneTemplates: function() {
  11         var me = this;
  12
  13         if (typeof(me.cbindData) == "function") {
  14             me.cbindData = me.cbindData(me.initialConfig);
  15         }
  16         me.cbindData = me.cbindData || {};
  17
  18         var getConfigValue = function(cname) {
  19
  20             if (cname in me.initialConfig) {
  21                 return me.initialConfig[cname];
  22             }
  23             if (cname in me.cbindData) {
  24                 let res = me.cbindData[cname];
  25                 if (typeof(res) == "function") {
  26                     return res(me.initialConfig);
  27                 } else {
  28                     return res;
  29                 }
  30             }
  31             if (cname in me) {
  32                 return me[cname];
  33             }
  34             throw "unable to get cbind data for '" + cname + "'";
  35         };
  36
  37         var applyCBind = function(obj) {
  38             var cbind = obj.cbind, prop, cdata, cvalue, match, found;
  39             if (!cbind) return;
  40
  41             for (prop in cbind) {
  42                 cdata = cbind[prop];
  43
  44                 found = false;
  45                 if (typeof cdata === 'function') {
  46                     obj[prop] = cdata(getConfigValue, prop);
  47                     found = true;
  48                 } else if (match = /^\{(!)?([a-z_][a-z0-9_]*)\}$/i.exec(cdata)) {
  49                     var cvalue = getConfigValue(match[2]);
  50                     if (match[1]) cvalue = !cvalue;
  51                     obj[prop] = cvalue;
  52                     found = true;
  53                 } else if (match = /^\{(!)?([a-z_][a-z0-9_]*(\.[a-z_][a-z0-9_]*)+)\}$/i.exec(cdata)) {
  54                     var keys = match[2].split('.');
  55                     var cvalue = getConfigValue(keys.shift());
  56                     keys.forEach(function(k) {
  57                         if (k in cvalue) {
  58                             cvalue = cvalue[k];
  59                         } else {
  60                             throw "unable to get cbind data for '" + match[2] + "'";
  61                         }
  62                     });
  63                     if (match[1]) cvalue = !cvalue;
  64                     obj[prop] = cvalue;
  65                     found = true;
  66                 } else {
  67                     obj[prop] = cdata.replace(/{([a-z_][a-z0-9_]*)\}/ig, function(match, cname) {
  68                         var cvalue = getConfigValue(cname);
  69                         found = true;
  70                         return cvalue;
  71                     });
  72                 }
  73                 if (!found) {
  74                     throw "unable to parse cbind template '" + cdata + "'";
  75                 }
  76
  77             }
  78         };
  79
  80         if (me.cbind) {
  81             applyCBind(me);
  82         }
  83
  84         var cloneTemplateArray = function(org) {
  85             var copy, i, found, el, elcopy, arrayLength;
  86
  87             arrayLength = org.length;
  88             found = false;
  89             for (i = 0; i < arrayLength; i++) {
  90                 el = org[i];
  91                 if (el.constructor == Object && el.xtype) {
  92                     found = true;
  93                     break;
  94                 }
  95             }
  96
  97             if (!found) return org; // no need to copy
  98
  99             copy = [];
 100             for (i = 0; i < arrayLength; i++) {
 101                 el = org[i];
 102                 if (el.constructor == Object && el.xtype) {
 103                     elcopy = cloneTemplateObject(el);
 104                     if (elcopy.cbind) {
 105                         applyCBind(elcopy);
 106                     }
 107                     copy.push(elcopy);
 108                 } else if (el.constructor == Array) {
 109                     elcopy = cloneTemplateArray(el);
 110                     copy.push(elcopy);
 111                 } else {
 112                     copy.push(el);
 113                 }
 114             }
 115             return copy;
 116         };
 117
 118         var cloneTemplateObject = function(org) {
 119             var res = {}, prop, el, copy;
 120             for (prop in org) {
 121                 el = org[prop];
 122                 if (el === undefined || el === null) {
 123                     res[prop] = el;
 124                     continue;
 125                 }
 126                 if (el.constructor == Object && el.xtype) {
 127                     copy = cloneTemplateObject(el);
 128                     if (copy.cbind) {
 129                         applyCBind(copy);
 130                     }
 131                     res[prop] = copy;
 132                 } else if (el.constructor == Array) {
 133                     copy = cloneTemplateArray(el);
 134                     res[prop] = copy;
 135                 } else {
 136                     res[prop] = el;
 137                 }
 138             }
 139             return res;
 140         };
 141
 142         var condCloneProperties = function() {
 143             var prop, el, i, tmp;
 144
 145             for (prop in me) {
 146                 el = me[prop];
 147                 if (el === undefined || el === null) continue;
 148                 if (typeof(el) === 'object' && el.constructor == Object) {
 149                     if (el.xtype && prop != 'config') {
 150                         me[prop] = cloneTemplateObject(el);
 151                     }
 152                 } else if (el.constructor == Array) {
 153                     tmp = cloneTemplateArray(el);
 154                     me[prop] = tmp;
 155                 }
 156             }
 157         };
 158
 159         condCloneProperties();
 160     }
 161 });