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 base_key = 'oils_persist_' + String(location.hostname + location.pathname + '_' + nodes[i].getAttribute('id')).replace('/','_','g') + '_';
  60                 var attribute_list = nodes[i].getAttribute('oils_persist').split(' ');
  61                 for (var j = 0; j < attribute_list.length; j++) {
  62                     var key = base_key + attribute_list[j];
  63                     var value = prefs.prefHasUserValue(key) ? prefs.getCharPref(key) : null;
  64                     dump('persist_helper: retrieving key = ' + key + ' value = ' + value + ' for ' + nodes[i].nodeName + '\n');
  65                     if (value) nodes[i].setAttribute( attribute_list[j], value );
  66                 }
  67                 if ( (nodes[i].nodeName == 'checkbox' || nodes[i].nodeName == 'menuitem') && attribute_list.indexOf('checked') > -1) {
  68                     if (nodes[i].disabled == false && nodes[i].hidden == false) {
  69                         var no_poke = nodes[i].getAttribute('oils_persist_no_poke');
  70                         if (no_poke && no_poke == 'true') {
  71                             // Timing issue for some checkboxes; don't poke them with an event
  72                         } else {
  73                             var evt = document.createEvent("Events");
  74                             evt.initEvent( 'command', true, true );
  75                             nodes[i].dispatchEvent(evt);
  76                         }
  77                     }
  78                     nodes[i].addEventListener(
  79                         'command',
  80                         function(bk) {
  81                             return function(ev) {
  82                                 try {
  83                                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  84                                     var key = bk + 'checked';
  85                                     var value;
  86                                     if (ev.target.nodeName == 'checkbox') {
  87                                         value = ev.target.checked;
  88                                     } else {
  89                                         value = ev.target.getAttribute('checked'); // menuitem with type="checkbox"
  90                                     }
  91                                     ev.target.setAttribute( 'checked', value );
  92                                     prefs.setCharPref( key, value );
  93                                     dump('persist_helper: setting key = ' +  key + ' value = ' + value + ' for checkbox/menuitem\n');
  94                                 } catch(E) {
  95                                     alert('Error in persist_helper(), checkbox/menuitem command event listener: ' + E);
  96                                 }
  97                             };
  98                         }(base_key),
  99                         false
 100                     );
 101                 }
 102                 // TODO: Need to add event listeners for window resizing, splitter repositioning, grippy state, etc.
 103             }
 104         } catch(E) {
 105             alert('Error in persist_helper(): ' + E);
 106         }
 107     }
 108
 109         function getKeys(o) {
 110                 var keys = [];
 111                 for (var k in o) keys.push(k);
 112                 return keys;
 113         }
 114
 115         function get_contentWindow(frame) {
 116         try {
 117             netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 118             if (frame && frame.contentWindow) {
 119                 try {
 120                     if (typeof frame.contentWindow.wrappedJSObject != 'undefined') {
 121                                                                          return frame.contentWindow.wrappedJSObject;
 122                                                   }
 123                 } catch(E) {
 124                     var Strings = $('offlineStrings') || $('commonStrings');
 125                     alert(Strings.getFormattedString('openils.global_util.content_window_jsobject.error', [frame, E]));
 126                 }
 127                 return frame.contentWindow;
 128             } else {
 129                 return null;
 130             }
 131         } catch(E) {
 132             var Strings = $('offlineStrings') || $('commonStrings');
 133             alert(Strings.getFormattedString('openils.global_util.content_window.error', [frame, E]));
 134         }
 135         }
 136
 137         function update_modal_xulG(v) {
 138                 try {
 139                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 140                         var key = location.pathname + location.search + location.hash;
 141                         if (typeof data.modal_xulG_stack != 'undefined' && typeof data.modal_xulG_stack[key] != 'undefined') {
 142                                 data.modal_xulG_stack[key][ data.modal_xulG_stack[key].length - 1 ] = v;
 143                                 data.stash('modal_xulG_stack');
 144                         }
 145                 } catch(E) {
 146                         alert('FIXME: update_modal_xulG => ' + E);
 147                 }
 148         }
 149
 150         function xul_param(param_name,_params) {
 151                 /* 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 */
 152                 try {
 153                         //dump('xul_param('+param_name+','+js2JSON(_params)+')\n');
 154                         var value = undefined; if (!_params) _params = {};
 155                         if (typeof _params.no_cgi == 'undefined') {
 156                                 var cgi = new CGI();
 157                                 if (cgi.param(param_name)) {
 158                                         var x = cgi.param(param_name);
 159                                         //dump('\tfound via location.href = ' + x + '\n');
 160                                         if (typeof _params.JSON2js_if_cgi != 'undefined') {
 161                                                 x = JSON2js( x );
 162                                                 //dump('\tJSON2js = ' + x + '\n');
 163                                         }
 164                                         if (typeof _params.concat == 'undefined') {
 165                                                 //alert(param_name + ' x = ' + x);
 166                                                 return x; // value
 167                                         } else {
 168                                                 if (value) {
 169                                                         if (value.constructor != Array) value = [ value ];
 170                                                         value = value.concat(x);
 171                                                 } else {
 172                                                         value = x;
 173                                                 }
 174                                         }
 175                                 }
 176                         }
 177                         if (typeof _params.no_xulG == 'undefined') {
 178                                 if (typeof _params.modal_xulG != 'undefined') {
 179                                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 180                                         var key = location.pathname + location.search + location.hash;
 181                                         //dump('xul_param, considering modal key = ' + key + '\n');
 182                                         if (typeof data.modal_xulG_stack != 'undefined' && typeof data.modal_xulG_stack[key] != 'undefined') {
 183                                                 xulG = data.modal_xulG_stack[key][ data.modal_xulG_stack[key].length - 1 ];
 184                                         }
 185                                 }
 186                                 if (typeof xulG == 'object' && typeof xulG[ param_name ] != 'undefined') {
 187                                         var x = xulG[ param_name ];
 188                                         //dump('\tfound via xulG = ' + x + '\n');
 189                                         if (typeof _params.JSON2js_if_xulG != 'undefined') {
 190                                                 x = JSON2js( x );
 191                                                 //dump('\tJSON2js = ' + x + '\n');
 192                                         }
 193                                         if (typeof _params.concat == 'undefined') {
 194                                                 //alert(param_name + ' x = ' + x);
 195                                                 return x; // value
 196                                         } else {
 197                                                 if (value) {
 198                                                         if (value.constructor != Array) value = [ value ];
 199                                                         value = value.concat(x);
 200                                                 } else {
 201                                                         value = x;
 202                                                 }
 203                                         }
 204                                 }
 205                         }
 206                         if (typeof _params.no_xpcom == 'undefined') {
 207                                 /* 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 */
 208                                 if (typeof _params.stash_name != 'undefined') {
 209                                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 210                                         if (typeof data[ _params.stash_name ] != 'undefined') {
 211                                                 var x = data[ _params.stash_name ];
 212                                                 //dump('\tfound via xpcom = ' + x + '\n');
 213                                                 if (typeof _params.JSON2js_if_xpcom != 'undefined') {
 214                                                         x = JSON2js( x );
 215                                                         //dump('\tJSON2js = ' + x + '\n');
 216                                                 }
 217                                                 if (_params.clear_xpcom) {
 218                                                         data[ _params.stash_name ] = undefined; data.stash( _params.stash_name );
 219                                                 }
 220                                                 if (typeof _params.concat == 'undefined') {
 221                                                         //alert(param_name + ' x = ' + x);
 222                                                         return x; // value
 223                                                 } else {
 224                                                         if (value) {
 225                                                                 if (value.constructor != Array) value = [ value ];
 226                                                                 value = value.concat(x);
 227                                                         } else {
 228                                                                 value = x;
 229                                                         }
 230                                                 }
 231                                         }
 232                                 }
 233                         }
 234                         //alert(param_name + ' value = ' + value);
 235                         return value;
 236                 } catch(E) {
 237                         dump('xul_param error: ' + E + '\n');
 238                 }
 239         }
 240
 241         function get_bool(a) {
 242                 // Normal javascript interpretation except 'f' == false, per postgres, and 'F' == false, and '0' == false (newer JSON is returning '0' instead of 0 in cases)
 243                 // So false includes 'f', '', '0', 0, null, and undefined
 244                 if (a == 'f') return false;
 245                 if (a == 'F') return false;
 246                 if (a == '0') return false;
 247                 if (a) return true; else return false;
 248         }
 249
 250         function get_db_true() {
 251                 return 't';
 252         }
 253
 254         function get_db_false() {
 255                 return 'f';
 256         }
 257
 258         function copy_to_clipboard(ev) {
 259                 try {
 260                         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 261                         var text;
 262                         if (typeof ev == 'object') {
 263                                 if (typeof ev.target != 'undefined') {
 264                                         if (typeof ev.target.textContent != 'undefined') if (ev.target.textContent) text = ev.target.textContent;
 265                                         if (typeof ev.target.value != 'undefined') if (ev.target.value) text = ev.target.value;
 266                                 }
 267                         } else if (typeof ev == 'string') {
 268                                 text = ev;
 269                         }
 270                         const gClipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"]
 271                                 .getService(Components.interfaces.nsIClipboardHelper);
 272                         gClipboardHelper.copyString(text);
 273             var Strings = $('offlineStrings') || $('commonStrings');
 274                         alert(Strings.getFormattedString('openils.global_util.clipboard', [text]));
 275                 } catch(E) {
 276             var Strings = $('offlineStrings') || $('commonStrings');
 277                         alert(Strings.getFormattedString('openils.global_util.clipboard.error', [E]));
 278                 }
 279         }
 280
 281         function clear_the_cache() {
 282                 try {
 283                         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 284                         var cacheClass          = Components.classes["@mozilla.org/network/cache-service;1"];
 285                         var cacheService        = cacheClass.getService(Components.interfaces.nsICacheService);
 286                         cacheService.evictEntries(Components.interfaces.nsICache.STORE_ON_DISK);
 287                         cacheService.evictEntries(Components.interfaces.nsICache.STORE_IN_MEMORY);
 288                 } catch(E) {
 289             var Strings = $('offlineStrings') || $('commonStrings');
 290                         alert(Strings.getFormattedString('openils.global_util.clear_cache.error', [E]));
 291                 }
 292         }
 293
 294         function toOpenWindowByType(inType, uri) {
 295                 var winopts = "chrome,extrachrome,menubar,resizable,scrollbars,status,toolbar";
 296                 window.open(uri, "_blank", winopts);
 297         }
 298
 299         function url_prefix(url) {
 300                 if (url.match(/^\//)) url = urls.remote + url;
 301                 if (! url.match(/^(http|chrome):\/\//) && ! url.match(/^data:/) ) url = 'http://' + url;
 302                 dump('url_prefix = ' + url + '\n');
 303                 return url;
 304         }
 305