Open-ILS/xul/staff_client/chrome/content/OpenILS/global_util.js

   1         function $(id) { return document.getElementById(id); }
   2
   3         function ses(a,params) {
   4         try {
   5             if (!params) params = {};
   6             var data;
   7             if (params.data) {
   8                 data = params.data; data.stash_retrieve();
   9             } else {
  10                 // This has been breaking in certain contexts, with an internal instantiation of util.error failing because of util.error being an object instead of the constructor function it should be
  11                 JSAN.use('OpenILS.data'); data = new OpenILS.data(); data.stash_retrieve();
  12             }
  13
  14             switch(a) {
  15                 case 'staff_id' : return data.list.au[0].id(); break;
  16                 case 'staff_usrname' : return data.list.au[0].usrname(); break;
  17                 case 'ws_ou' :
  18                     return data.list.au[0].ws_ou();
  19                 break;
  20                 case 'authtime' :
  21                     return data.session.authtime;
  22                 break;
  23                 case 'key':
  24                 default:
  25                     return data.session.key;
  26                 break;
  27             }
  28         } catch(E) {
  29             alert(location.href + '\nError in global_utils.js, ses(): ' + E);
  30             throw(E);
  31         }
  32         }
  33
  34         function font_helper() {
  35                 try {
  36                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
  37                         removeCSSClass(document.documentElement,'ALL_FONTS_LARGER');
  38                         removeCSSClass(document.documentElement,'ALL_FONTS_SMALLER');
  39                         removeCSSClass(document.documentElement,'ALL_FONTS_XX_SMALL');
  40                         removeCSSClass(document.documentElement,'ALL_FONTS_X_SMALL');
  41                         removeCSSClass(document.documentElement,'ALL_FONTS_SMALL');
  42                         removeCSSClass(document.documentElement,'ALL_FONTS_MEDIUM');
  43                         removeCSSClass(document.documentElement,'ALL_FONTS_LARGE');
  44                         removeCSSClass(document.documentElement,'ALL_FONTS_X_LARGE');
  45                         removeCSSClass(document.documentElement,'ALL_FONTS_XX_LARGE');
  46                         addCSSClass(document.documentElement,data.global_font_adjust);
  47                 } catch(E) {
  48             var Strings = $('offlineStrings') || $('commonStrings');
  49                         alert(Strings.getFormattedString('openils.global_util.font_size.error', [E]));
  50                 }
  51         }
  52
  53     function persist_helper() {
  54         try {
  55             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  56             var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
  57             var nodes = document.getElementsByAttribute('oils_persist','*');
  58             for (var i = 0; i < nodes.length; i++) {
  59                 var filename = location.pathname.split('/')[ location.pathname.split('/').length - 1 ];
  60                 var base_key = 'oils_persist_' + String(location.hostname + '_' + filename + '_' + nodes[i].getAttribute('id')).replace('/','_','g') + '_';
  61                 var attribute_list = nodes[i].getAttribute('oils_persist').split(' ');
  62                 for (var j = 0; j < attribute_list.length; j++) {
  63                     var key = base_key + attribute_list[j];
  64                     var value = prefs.prefHasUserValue(key) ? prefs.getCharPref(key) : null;
  65                     dump('persist_helper: retrieving key = ' + key + ' value = ' + value + ' for ' + nodes[i].nodeName + '\n');
  66                     if (value) nodes[i].setAttribute( attribute_list[j], value );
  67                 }
  68                 if ( (nodes[i].nodeName == 'checkbox' || nodes[i].nodeName == 'menuitem') && attribute_list.indexOf('checked') > -1) {
  69                     var cmd = nodes[i].getAttribute('command');
  70                     var cmd_el = document.getElementById(cmd);
  71                     if (nodes[i].disabled == false && nodes[i].hidden == false) {
  72                         var no_poke = nodes[i].getAttribute('oils_persist_no_poke');
  73                         if (no_poke && no_poke == 'true') {
  74                             // Timing issue for some checkboxes; don't poke them with an event
  75                             dump('\tpersist_helper: not poking element with key = ' + key + '\n');
  76                         } else {
  77                             if (cmd_el) {
  78                                 dump('\tpersist_helper: poking @command element for element with key = ' + key + '\n');
  79                                 var evt = document.createEvent("Events");
  80                                 evt.initEvent( 'command', true, true );
  81                                 cmd_el.dispatchEvent(evt);
  82                             } else {
  83                                 dump('\tpersist_helper: poking element with key = ' + key + '\n');
  84                                 var evt = document.createEvent("Events");
  85                                 evt.initEvent( 'command', true, true );
  86                                 nodes[i].dispatchEvent(evt);
  87                             }
  88                         }
  89                     }
  90                     if (cmd_el) {
  91                         cmd_el.addEventListener(
  92                             'command',
  93                             function (bk,explicit_original_node) {
  94                                 return function(ev) {
  95                                     try {
  96                                         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  97                                         if (ev.explicitOriginalTarget != explicit_original_node) return;
  98                                         var key = bk + 'checked';
  99                                         var value;
 100                                         if (ev.explicitOriginalTarget.nodeName == 'checkbox') {
 101                                             value = ev.explicitOriginalTarget.checked;
 102                                         } else {
 103                                             value = ev.explicitOriginalTarget.getAttribute('checked'); // menuitem with type="checkbox"
 104                                         }
 105                                         ev.explicitOriginalTarget.setAttribute( 'checked', value );
 106                                         prefs.setCharPref( key, value );
 107                                         dump('persist_helper: setting key = ' +  key + ' value = ' + value + ' for checkbox/menuitem via <command>\n');
 108                                     } catch(E) {
 109                                         alert('Error in persist_helper(), checkbox/menuitem -> command, command event listener: ' + E);
 110                                     }
 111                                 };
 112                             }( base_key, nodes[i] ),
 113                             false
 114                         );
 115                     } else {
 116                         nodes[i].addEventListener(
 117                             'command',
 118                             function(bk) {
 119                                 return function(ev) {
 120                                     try {
 121                                         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 122                                         var key = bk + 'checked';
 123                                         var value;
 124                                         if (ev.target.nodeName == 'checkbox') {
 125                                             value = ev.target.checked;
 126                                         } else {
 127                                             value = ev.target.getAttribute('checked'); // menuitem with type="checkbox"
 128                                         }
 129                                         ev.target.setAttribute( 'checked', value );
 130                                         prefs.setCharPref( key, value );
 131                                         dump('persist_helper: setting key = ' +  key + ' value = ' + value + ' for checkbox/menuitem\n');
 132                                     } catch(E) {
 133                                         alert('Error in persist_helper(), checkbox/menuitem command event listener: ' + E);
 134                                     }
 135                                 };
 136                             }(base_key),
 137                             false
 138                         );
 139                     }
 140                 }
 141                 // TODO: Need to add event listeners for window resizing, splitter repositioning, grippy state, etc.
 142             }
 143         } catch(E) {
 144             alert('Error in persist_helper(): ' + E);
 145         }
 146     }
 147
 148         function getKeys(o) {
 149                 var keys = [];
 150                 for (var k in o) keys.push(k);
 151                 return keys;
 152         }
 153
 154         function get_contentWindow(frame) {
 155         try {
 156             netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 157             if (frame && frame.contentWindow) {
 158                 try {
 159                     if (typeof frame.contentWindow.wrappedJSObject != 'undefined') {
 160                                                                          return frame.contentWindow.wrappedJSObject;
 161                                                   }
 162                 } catch(E) {
 163                     var Strings = $('offlineStrings') || $('commonStrings');
 164                     alert(Strings.getFormattedString('openils.global_util.content_window_jsobject.error', [frame, E]));
 165                 }
 166                 return frame.contentWindow;
 167             } else {
 168                 return null;
 169             }
 170         } catch(E) {
 171             var Strings = $('offlineStrings') || $('commonStrings');
 172             alert(Strings.getFormattedString('openils.global_util.content_window.error', [frame, E]));
 173         }
 174         }
 175
 176         function update_modal_xulG(v) {
 177                 try {
 178                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 179                         var key = location.pathname + location.search + location.hash;
 180                         if (typeof data.modal_xulG_stack != 'undefined' && typeof data.modal_xulG_stack[key] != 'undefined') {
 181                                 data.modal_xulG_stack[key][ data.modal_xulG_stack[key].length - 1 ] = v;
 182                                 data.stash('modal_xulG_stack');
 183                         }
 184                 } catch(E) {
 185                         alert('FIXME: update_modal_xulG => ' + E);
 186                 }
 187         }
 188
 189         function xul_param(param_name,_params) {
 190                 /* By default, this function looks for a CGI-style query param identified by param_name.  If one isn't found, it then looks in xulG.  If one still isn't found, and _params.stash_name is true, it looks in the global xpcom stash for the field identified by stash_name.  If _params.concat is true, then it looks in all these places and concatenates the results.  There are also options for converting JSON to javascript objects, and clearing the xpcom stash_name field after retrieval.  Also added, ability to search a specific spot in the xpcom stash that implements a stack to hold xulG's for modal windows */
 191                 try {
 192                         //dump('xul_param('+param_name+','+js2JSON(_params)+')\n');
 193                         var value = undefined; if (!_params) _params = {};
 194                         if (typeof _params.no_cgi == 'undefined') {
 195                                 var cgi = new CGI();
 196                                 if (cgi.param(param_name)) {
 197                                         var x = cgi.param(param_name);
 198                                         //dump('\tfound via location.href = ' + x + '\n');
 199                                         if (typeof _params.JSON2js_if_cgi != 'undefined') {
 200                                                 x = JSON2js( x );
 201                                                 //dump('\tJSON2js = ' + x + '\n');
 202                                         }
 203                                         if (typeof _params.concat == 'undefined') {
 204                                                 //alert(param_name + ' x = ' + x);
 205                                                 return x; // value
 206                                         } else {
 207                                                 if (value) {
 208                                                         if (value.constructor != Array) value = [ value ];
 209                                                         value = value.concat(x);
 210                                                 } else {
 211                                                         value = x;
 212                                                 }
 213                                         }
 214                                 }
 215                         }
 216                         if (typeof _params.no_xulG == 'undefined') {
 217                                 if (typeof _params.modal_xulG != 'undefined') {
 218                                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 219                                         var key = location.pathname + location.search + location.hash;
 220                                         //dump('xul_param, considering modal key = ' + key + '\n');
 221                                         if (typeof data.modal_xulG_stack != 'undefined' && typeof data.modal_xulG_stack[key] != 'undefined') {
 222                                                 xulG = data.modal_xulG_stack[key][ data.modal_xulG_stack[key].length - 1 ];
 223                                         }
 224                                 }
 225                                 if (typeof xulG == 'object' && typeof xulG[ param_name ] != 'undefined') {
 226                                         var x = xulG[ param_name ];
 227                                         //dump('\tfound via xulG = ' + x + '\n');
 228                                         if (typeof _params.JSON2js_if_xulG != 'undefined') {
 229                                                 x = JSON2js( x );
 230                                                 //dump('\tJSON2js = ' + x + '\n');
 231                                         }
 232                                         if (typeof _params.concat == 'undefined') {
 233                                                 //alert(param_name + ' x = ' + x);
 234                                                 return x; // value
 235                                         } else {
 236                                                 if (value) {
 237                                                         if (value.constructor != Array) value = [ value ];
 238                                                         value = value.concat(x);
 239                                                 } else {
 240                                                         value = x;
 241                                                 }
 242                                         }
 243                                 }
 244                         }
 245                         if (typeof _params.no_xpcom == 'undefined') {
 246                                 /* the field names used for temp variables in the global stash tend to be more unique than xuLG or CGI param names, to avoid collisions */
 247                                 if (typeof _params.stash_name != 'undefined') {
 248                                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 249                                         if (typeof data[ _params.stash_name ] != 'undefined') {
 250                                                 var x = data[ _params.stash_name ];
 251                                                 //dump('\tfound via xpcom = ' + x + '\n');
 252                                                 if (typeof _params.JSON2js_if_xpcom != 'undefined') {
 253                                                         x = JSON2js( x );
 254                                                         //dump('\tJSON2js = ' + x + '\n');
 255                                                 }
 256                                                 if (_params.clear_xpcom) {
 257                                                         data[ _params.stash_name ] = undefined; data.stash( _params.stash_name );
 258                                                 }
 259                                                 if (typeof _params.concat == 'undefined') {
 260                                                         //alert(param_name + ' x = ' + x);
 261                                                         return x; // value
 262                                                 } else {
 263                                                         if (value) {
 264                                                                 if (value.constructor != Array) value = [ value ];
 265                                                                 value = value.concat(x);
 266                                                         } else {
 267                                                                 value = x;
 268                                                         }
 269                                                 }
 270                                         }
 271                                 }
 272                         }
 273                         //alert(param_name + ' value = ' + value);
 274                         return value;
 275                 } catch(E) {
 276                         dump('xul_param error: ' + E + '\n');
 277                 }
 278         }
 279
 280         function get_bool(a) {
 281                 // Normal javascript interpretation except 'f' == false, per postgres, and 'F' == false, and '0' == false (newer JSON is returning '0' instead of 0 in cases)
 282                 // So false includes 'f', '', '0', 0, null, and undefined
 283                 if (a == 'f') return false;
 284                 if (a == 'F') return false;
 285                 if (a == '0') return false;
 286                 if (a) return true; else return false;
 287         }
 288
 289         function get_db_true() {
 290                 return 't';
 291         }
 292
 293         function get_db_false() {
 294                 return 'f';
 295         }
 296
 297         function copy_to_clipboard(ev) {
 298                 try {
 299                         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 300                         var text;
 301                         if (typeof ev == 'object') {
 302                                 if (typeof ev.target != 'undefined') {
 303                                         if (typeof ev.target.textContent != 'undefined') if (ev.target.textContent) text = ev.target.textContent;
 304                                         if (typeof ev.target.value != 'undefined') if (ev.target.value) text = ev.target.value;
 305                                 }
 306                         } else if (typeof ev == 'string') {
 307                                 text = ev;
 308                         }
 309                         const gClipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"]
 310                                 .getService(Components.interfaces.nsIClipboardHelper);
 311                         gClipboardHelper.copyString(text);
 312             var Strings = $('offlineStrings') || $('commonStrings');
 313                         alert(Strings.getFormattedString('openils.global_util.clipboard', [text]));
 314                 } catch(E) {
 315             var Strings = $('offlineStrings') || $('commonStrings');
 316                         alert(Strings.getFormattedString('openils.global_util.clipboard.error', [E]));
 317                 }
 318         }
 319
 320         function clear_the_cache() {
 321                 try {
 322                         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 323                         var cacheClass          = Components.classes["@mozilla.org/network/cache-service;1"];
 324                         var cacheService        = cacheClass.getService(Components.interfaces.nsICacheService);
 325                         cacheService.evictEntries(Components.interfaces.nsICache.STORE_ON_DISK);
 326                         cacheService.evictEntries(Components.interfaces.nsICache.STORE_IN_MEMORY);
 327                 } catch(E) {
 328             var Strings = $('offlineStrings') || $('commonStrings');
 329                         alert(Strings.getFormattedString('openils.global_util.clear_cache.error', [E]));
 330                 }
 331         }
 332
 333         function toOpenWindowByType(inType, uri) {
 334                 var winopts = "chrome,extrachrome,menubar,resizable,scrollbars,status,toolbar";
 335                 window.open(uri, "_blank", winopts);
 336         }
 337
 338         function url_prefix(url) {
 339                 if (url.match(/^\//)) url = urls.remote + url;
 340                 if (! url.match(/^(http|chrome):\/\//) && ! url.match(/^data:/) ) url = 'http://' + url;
 341                 dump('url_prefix = ' + url + '\n');
 342                 return url;
 343         }
 344