Open-ILS/xul/staff_client/chrome/content/util/print.js

   1 dump('entering util/print.js\n');
   2
   3 if (typeof util == 'undefined') util = {};
   4 util.print = function (context) {
   5
   6     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   7
   8     JSAN.use('util.error'); this.error = new util.error();
   9     JSAN.use('OpenILS.data'); this.data = new OpenILS.data(); this.data.init( { 'via':'stash' } );
  10     JSAN.use('util.window'); this.win = new util.window();
  11     JSAN.use('util.functional');
  12     JSAN.use('util.file');
  13
  14     this.context = context || 'default';
  15
  16     var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
  17     var key = 'oils.printer.external.cmd.' + this.context;
  18     var has_key = prefs.prefHasUserValue(key);
  19     if(!has_key && this.context != 'default') {
  20         key = 'oils.printer.external.cmd.default';
  21         has_key = prefs.prefHasUserValue(key);
  22     }
  23     this.oils_printer_external_cmd = has_key ? prefs.getCharPref(key) : '';
  24
  25     return this;
  26 };
  27
  28 util.print.prototype = {
  29
  30     'reprint_last' : function() {
  31         try {
  32             var obj = this; obj.data.init({'via':'stash'});
  33             if (!obj.data.last_print) {
  34                 alert(
  35                     document.getElementById('offlineStrings').getString('printing.nothing_to_reprint')
  36                 );
  37                 return;
  38             }
  39             var msg = obj.data.last_print.msg;
  40             var params = obj.data.last_print.params; params.no_prompt = false;
  41             obj.simple( msg, params );
  42         } catch(E) {
  43             this.error.standard_unexpected_error_alert('util.print.reprint_last',E);
  44         }
  45     },
  46
  47     'html2txt' : function(html) {
  48         JSAN.use('util.text');
  49         //dump('html2txt, before:\n' + html + '\n');
  50         var lines = html.split(/\n/);
  51         var new_lines = [];
  52         for (var i = 0; i < lines.length; i++) {
  53             var line = lines[i];
  54             if (line) {
  55                 // This undoes the util.text.preserve_string_in_html call that spine_label.js does
  56                 line = util.text.reverse_preserve_string_in_html(line);
  57                 // This looks for @hex attributes containing 2-digit hex codes, and converts them into real characters
  58                 line = line.replace(/(<.+?)hex=['"](.+?)['"](.*?>)/gi, function(str,p1,p2,p3,offset,s) {
  59                     var raw_chars = '';
  60                     var hex_chars = p2.match(/[0-9,a-f,A-F][0-9,a-f,A-F]/g);
  61                     for (var j = 0; j < hex_chars.length; j++) {
  62                         raw_chars += String.fromCharCode( parseInt(hex_chars[j],16) );
  63                     }
  64                     return p1 + p3 + raw_chars;
  65                 });
  66                 line = line.replace(/<head.*?>.*?<\/head>/gi, '');
  67                 line = line.replace(/<br.*?>/gi,'\r\n');
  68                 line = line.replace(/<table.*?>/gi,'');
  69                 line = line.replace(/<tr.*?>/gi,'');
  70                 line = line.replace(/<hr.*?>/gi,'\r\n');
  71                 line = line.replace(/<p.*?>/gi,'');
  72                 line = line.replace(/<block.*?>/gi,'');
  73                 line = line.replace(/<li.*?>/gi,' * ');
  74                 line = line.replace(/<.+?>/gi,'');
  75                 if (line) { new_lines.push(line); }
  76             } else {
  77                 new_lines.push(line);
  78             }
  79         }
  80         var new_html = new_lines.join('\n');
  81         //dump('html2txt, after:\n' + new_html + '\nhtml2txt, done.\n');
  82         return new_html;
  83     },
  84
  85     'simple' : function(msg,params) {
  86         try {
  87             if (!params) params = {};
  88             params.msg = msg;
  89
  90             var obj = this;
  91
  92             obj.data.last_print = { 'msg' : msg, 'params' : params, 'context' : this.context};
  93             obj.data.stash('last_print');
  94
  95             var silent = false;
  96             if ( params && params.no_prompt && (params.no_prompt == true || params.no_prompt == 'true') ) {
  97                 silent = true;
  98             }
  99
 100             var content_type;
 101             if (params && params.content_type) {
 102                 content_type = params.content_type;
 103             } else {
 104                 content_type = 'text/html';
 105             }
 106
 107             var w;
 108
 109             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 110             obj.data.init({'via':'stash'});
 111
 112             if (typeof obj.data.print_strategy == 'undefined') {
 113                 obj.data.print_strategy = {};
 114                 obj.data.stash('print_strategy');
 115             }
 116
 117             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 118
 119                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 120                     case 'dos.print':
 121                         params.dos_print = true;
 122                     case 'custom.print':
 123                         /* FIXME - this it a kludge.. we're going to sidestep window-based html rendering for printing */
 124                         /* I'm using regexps to mangle the html receipt templates; it'd be nice to use xsl but the */
 125                         /* templates aren't guaranteed to be valid xml.  The unadulterated msg is still preserved in */
 126                         /* params */
 127                         if (content_type=='text/html') {
 128                             w = obj.html2txt(msg);
 129                         } else {
 130                             w = msg;
 131                         }
 132                         if (! params.no_form_feed) { w = w + '\f'; }
 133                         obj.NSPrint(w, silent, params);
 134                         return;
 135                     break;
 136                 }
 137             }
 138
 139             switch(content_type) {
 140                 case 'text/html' :
 141                     var jsrc = 'data:text/javascript,' + window.escape('var params = { "data" : ' + js2JSON(params.data) + ', "list" : ' + js2JSON(params.list) + '}; function my_init() { if (typeof go_print == "function") { go_print(); } else { setTimeout( function() { if (typeof go_print == "function") { alert("Please tell the developers that the 2-second go_print workaround executed, and let them know whether this job printed successfully.  Thanks!"); go_print(); } else { alert("Please tell the developers that the 2-second go_print workaround did not work.  We will try to print one more time; there have been reports of wasted receipt paper at this point.  Please check the settings in the print dialog and/or prepare to power off your printer.  Thanks!"); window.print(); } }, 2000 ); } /* FIXME - mozilla bug#301560 - xpcom kills it too */ }');
 142                     var print_url = 'data:text/html,'
 143                         + '<html id="top"><head><script src="/xul/server/main/JSAN.js"></script><script src="' + window.escape(jsrc) + '"></script></head>'
 144                         + '<body onload="try{my_init();}catch(E){alert(E);}">' + window.escape(msg) + '</body></html>';
 145                     w = obj.win.open(print_url,'receipt_temp','chrome,resizable');
 146                     w.minimize();
 147                     w.go_print = function() {
 148                         try {
 149                             obj.NSPrint(w, silent, params);
 150                         } catch(E) {
 151                             obj.error.standard_unexpected_error_alert("Print Error in util.print.simple.  After this dialog we'll try a second print attempt. content_type = " + content_type,E);
 152                             w.print();
 153                         }
 154                         w.minimize(); w.close();
 155                     }
 156                 break;
 157                 default:
 158                     w = obj.win.open('data:' + content_type + ',' + window.escape(msg),'receipt_temp','chrome,resizable');
 159                     w.minimize();
 160                     setTimeout(
 161                         function() {
 162                             try {
 163                                 obj.NSPrint(w, silent, params);
 164                             } catch(E) {
 165                                 obj.error.standard_unexpected_error_alert("Print Error in util.print.simple.  After this dialog we'll try a second print attempt. content_type = " + content_type,E);
 166                                 w.print();
 167                             }
 168                             w.minimize(); w.close();
 169                         }, 1000
 170                     );
 171                 break;
 172             }
 173
 174         } catch(E) {
 175             this.error.standard_unexpected_error_alert('util.print.simple',E);
 176         }
 177     },
 178
 179     'tree_list' : function (params) {
 180         try {
 181             dump('print.tree_list.params.list = \n' + this.error.pretty_print(js2JSON(params.list)) + '\n');
 182             dump('print.tree_list.params.data = \n' + this.error.pretty_print(js2JSON(params.data)) + '\n');
 183         } catch(E) {
 184             dump(E+'\n');
 185         }
 186         var cols = [];
 187         var s = '';
 188         if (params.header) s += this.template_sub( params.header, cols, params );
 189         if (params.list) {
 190             for (var i = 0; i < params.list.length; i++) {
 191                 params.row = params.list[i];
 192                 params.row_idx = i;
 193                 s += this.template_sub( params.line_item, cols, params );
 194             }
 195         }
 196         if (params.footer) s += this.template_sub( params.footer, cols, params );
 197
 198         if (params.sample_frame) {
 199             var jsrc = 'data:text/javascript,' + window.escape('var params = { "data" : ' + js2JSON(params.data) + ', "list" : ' + js2JSON(params.list) + '};');
 200             params.sample_frame.setAttribute('src','data:text/html,<html id="top"><head><script src="' + window.escape(jsrc) + '"></script></head><body>' + window.escape(s) + '</body></html>');
 201         } else {
 202             this.simple(s,params);
 203         }
 204     },
 205
 206     'template_sub' : function( msg, cols, params ) {
 207         try {
 208             var obj = this;
 209             if (!msg) { dump('template sub called with empty string\n'); return; }
 210             JSAN.use('util.date');
 211             var s = msg; var b;
 212
 213             try{b = s; s = s.replace(/%LINE_NO%/,Number(params.row_idx)+1);}
 214                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 215
 216             try{b = s; s = s.replace(/%patron_barcode%/,params.patron_barcode);}
 217                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 218
 219             try{b = s; s = s.replace(/%LIBRARY%/,params.lib.name());}
 220                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 221             try{b = s; s = s.replace(/%PINES_CODE%/,params.lib.shortname());}
 222                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 223             try{b = s; s = s.replace(/%SHORTNAME%/,params.lib.shortname());}
 224                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 225             try{b = s; s = s.replace(/%STAFF_FIRSTNAME%/,params.staff.first_given_name());}
 226                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 227             try{b = s; s = s.replace(/%STAFF_LASTNAME%/,params.staff.family_name());}
 228                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 229             try{b = s; s = s.replace(/%STAFF_BARCODE%/,params.staff.barcode); }
 230                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 231             try{b = s; s = s.replace(/%STAFF_PROFILE%/,obj.data.hash.pgt[ params.staff.profile() ].name() ); }
 232                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 233             try{b = s; s = s.replace(/%PATRON_ALIAS_OR_FIRSTNAME%/,(params.patron.alias() == '' || params.patron.alias() == null) ? params.patron.first_given_name() : params.patron.alias());}
 234                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 235             try{b = s; s = s.replace(/%PATRON_ALIAS%/,(params.patron.alias() == '' || params.patron.alias() == null) ? '' : params.patron.alias());}
 236                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 237             try{b = s; s = s.replace(/%PATRON_FIRSTNAME%/,params.patron.first_given_name());}
 238                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 239             try{b = s; s = s.replace(/%PATRON_LASTNAME%/,params.patron.family_name());}
 240                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 241             try{b = s; s = s.replace(/%PATRON_BARCODE%/,typeof params.patron.card() == 'object' ? params.patron.card().barcode() : util.functional.find_id_object_in_list( params.patron.cards(), params.patron.card() ).barcode() ) ;}
 242                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 243
 244             try{b = s; s=s.replace(/%TODAY%/g,(new Date()));}
 245                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 246             try{b = s; s=s.replace(/%TODAY_m%/g,(util.date.formatted_date(new Date(),'%m')));}
 247                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 248             try{b = s; s=s.replace(/%TODAY_TRIM%/g,(util.date.formatted_date(new Date(),'')));}
 249                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 250             try{b = s; s=s.replace(/%TODAY_d%/g,(util.date.formatted_date(new Date(),'%d')));}
 251                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 252             try{b = s; s=s.replace(/%TODAY_Y%/g,(util.date.formatted_date(new Date(),'%Y')));}
 253                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 254             try{b = s; s=s.replace(/%TODAY_H%/g,(util.date.formatted_date(new Date(),'%H')));}
 255                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 256             try{b = s; s=s.replace(/%TODAY_I%/g,(util.date.formatted_date(new Date(),'%I')));}
 257                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 258             try{b = s; s=s.replace(/%TODAY_M%/g,(util.date.formatted_date(new Date(),'%M')));}
 259                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 260             try{b = s; s=s.replace(/%TODAY_D%/g,(util.date.formatted_date(new Date(),'%D')));}
 261                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 262             try{b = s; s=s.replace(/%TODAY_F%/g,(util.date.formatted_date(new Date(),'%F')));}
 263                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 264
 265             try {
 266                 if (typeof params.row != 'undefined') {
 267                     if (params.row.length >= 0) {
 268                         alert('debug - please tell the developers that deprecated template code tried to execute');
 269                         for (var i = 0; i < cols.length; i++) {
 270                             var re = new RegExp(cols[i],"g");
 271                             try{b = s; s=s.replace(re, params.row[i]);}
 272                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 1 string = <' + s + '>',E);}
 273                         }
 274                     } else {
 275                         /* for dump_with_keys */
 276                         for (var i in params.row) {
 277                             var re = new RegExp('%'+i+'%',"g");
 278                             try{b = s; s=s.replace(re, params.row[i]);}
 279                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 2 string = <' + s + '>',E);}
 280                         }
 281                     }
 282                 }
 283
 284                 if (typeof params.data != 'undefined') {
 285                     for (var i in params.data) {
 286                         var re = new RegExp('%'+i+'%',"g");
 287                         if (typeof params.data[i] == 'string') {
 288                             try{b = s; s=s.replace(re, params.data[i]);}
 289                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 3 string = <' + s + '>',E);}
 290                         }
 291                     }
 292                 }
 293             } catch(E) { dump(E+'\n'); }
 294
 295             return s;
 296         } catch(E) {
 297             alert('Error in print.js, template_sub(): ' + E);
 298         }
 299     },
 300
 301
 302     'NSPrint' : function(w,silent,params) {
 303         if (!w) w = window;
 304         var obj = this;
 305         try {
 306             if (!params) params = {};
 307
 308             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 309             obj.data.init({'via':'stash'});
 310
 311             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 312
 313                 dump('params.print_strategy = ' + params.print_strategy
 314                     + ' || obj.data.print_strategy[' + obj.context + '] = ' + obj.data.print_strategy[obj.context]
 315                     + ' || obj.data.print_strategy[default] = ' + obj.data.print_strategy['default']
 316                     + ' => ' + ( params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default'] ) + '\n');
 317                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 318                     case 'dos.print':
 319                     case 'custom.print':
 320                         if (typeof w != 'string') {
 321                             try {
 322                                 var temp_w = params.msg || w.document.firstChild.innerHTML;
 323                                 if (!params.msg) { params.msg = temp_w; }
 324                                 if (typeof temp_w != 'string') { throw(temp_w); }
 325                                 w = obj.html2txt(temp_w);
 326                             } catch(E) {
 327                                 dump('util.print: Could not use w.document.firstChild.innerHTML with ' + w + ': ' + E + '\n');
 328                                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 329                                 w.getSelection().selectAllChildren(w.document.firstChild);
 330                                 w = w.getSelection().toString();
 331                             }
 332                         }
 333                         obj._NSPrint_custom_print(w,silent,params);
 334                     break;
 335                     case 'window.print':
 336                         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 337                         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 338                         var originalPrinter = false;
 339                         if (prefs.prefHasUserValue('print.print_printer')) {
 340                             // This is for restoring print.print_printer after any print dialog, so that when
 341                             // window.print gets used again, it uses the configured printer for the right context
 342                             // (which should only be default--window.print is a kludge and is in limited use),
 343                             // rather than the printer last used.
 344                             originalPrinter = prefs.getCharPref('print.print_printer');
 345                         }
 346                         if (typeof w == 'object') {
 347                             w.print();
 348                             if (originalPrinter) {
 349                                 prefs.setCharPref('print.print_printer',originalPrinter);
 350                             }
 351                         } else {
 352                             if (params.content_type == 'text/plain') {
 353                                 w = window.open('data:text/plain,'+escape(params.msg));
 354                             } else {
 355                                 w = window.open('data:text/html,'+escape(params.msg));
 356                             }
 357                             setTimeout(
 358                                 function() {
 359                                     w.print();
 360                                     if (originalPrinter) {
 361                                         prefs.setCharPref('print.print_printer',originalPrinter);
 362                                     }
 363                                     setTimeout(
 364                                         function() {
 365                                             w.close();
 366                                         }, 2000
 367                                     );
 368                                 }, 0
 369                             );
 370                         }
 371                     break;
 372                     case 'webBrowserPrint':
 373                     default:
 374                         if (typeof w == 'object') {
 375                             obj._NSPrint_webBrowserPrint(w,silent,params);
 376                         } else {
 377                             if (params.content_type == 'text/plain') {
 378                                 w = window.open('data:text/plain,'+escape(params.msg));
 379                             } else {
 380                                 w = window.open('data:text/html,'+escape(params.msg));
 381                             }
 382                             setTimeout(
 383                                 function() {
 384                                     obj._NSPrint_webBrowserPrint(w,silent,params);
 385                                     setTimeout(
 386                                         function() {
 387                                             w.close();
 388                                         }, 2000
 389                                     );
 390                                 }, 0
 391                             );
 392                         }
 393                     break;
 394                 }
 395
 396             } else {
 397                 //w.print();
 398                 obj._NSPrint_webBrowserPrint(w,silent,params);
 399             }
 400
 401         } catch (e) {
 402             alert('Probably not printing: ' + e);
 403             this.error.sdump('D_ERROR','PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 404         }
 405
 406     },
 407
 408     '_NSPrint_custom_print' : function(w,silent,params) {
 409         var obj = this;
 410         try {
 411
 412             var text = w;
 413             var html = params.msg || w;
 414
 415             var txt_file = new util.file('receipt.txt');
 416             txt_file.write_content('truncate',text);
 417             var text_path = '"' + txt_file._file.path + '"';
 418             txt_file.close();
 419
 420             var html_file = new util.file('receipt.html');
 421             html_file.write_content('truncate',html);
 422             var html_path = '"' + html_file._file.path + '"';
 423             html_file.close();
 424
 425             var cmd = params.dos_print ?
 426                 'copy ' + text_path + ' lpt1 /b\n'
 427                 : obj.oils_printer_external_cmd.replace('%receipt.txt%',text_path).replace('%receipt.html%',html_path)
 428             ;
 429
 430             file = new util.file('receipt.bat');
 431             file.write_content('truncate+exec',cmd);
 432             file.close();
 433             file = new util.file('receipt.bat');
 434
 435             dump('print exec: ' + cmd + '\n');
 436             var process = Components.classes["@mozilla.org/process/util;1"].createInstance(Components.interfaces.nsIProcess);
 437             process.init(file._file);
 438
 439             var args = [];
 440
 441             dump('process.run = ' + process.run(true, args, args.length) + '\n');
 442
 443             file.close();
 444
 445         } catch (e) {
 446             //alert('Probably not printing: ' + e);
 447             this.error.sdump('D_ERROR','_NSPrint_custom_print PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 448         }
 449     },
 450
 451     '_NSPrint_webBrowserPrint' : function(w,silent,params) {
 452         var obj = this;
 453         try {
 454             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 455             var webBrowserPrint = w
 456                 .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
 457                 .getInterface(Components.interfaces.nsIWebBrowserPrint);
 458             this.error.sdump('D_PRINT','webBrowserPrint = ' + webBrowserPrint);
 459             if (webBrowserPrint) {
 460                 var gPrintSettings = obj.GetPrintSettings();
 461                 if (silent) gPrintSettings.printSilent = true;
 462                 else gPrintSettings.printSilent = false;
 463                 if (params) {
 464                     if (params.marginLeft) gPrintSettings.marginLeft = params.marginLeft;
 465                 }
 466                 webBrowserPrint.print(gPrintSettings, null);
 467                 this.error.sdump('D_PRINT','Should be printing\n');
 468             } else {
 469                 this.error.sdump('D_ERROR','Should not be printing\n');
 470             }
 471         } catch (e) {
 472             //alert('Probably not printing: ' + e);
 473             // Pressing cancel is expressed as an NS_ERROR_ABORT return value,
 474             // causing an exception to be thrown which we catch here.
 475             // Unfortunately this will also consume helpful failures
 476             this.error.sdump('D_ERROR','_NSPrint_webBrowserPrint PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 477         }
 478     },
 479
 480     'GetPrintSettings' : function() {
 481         try {
 482             //alert('entering GetPrintSettings');
 483             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 484             var pref = Components.classes["@mozilla.org/preferences-service;1"]
 485                 .getService(Components.interfaces.nsIPrefBranch);
 486             //alert('pref = ' + pref);
 487             if (pref) {
 488                 this.gPrintSettingsAreGlobal = pref.getBoolPref("print.use_global_printsettings", false);
 489                 this.gSavePrintSettings = pref.getBoolPref("print.save_print_settings", false);
 490                 //alert('gPrintSettingsAreGlobal = ' + this.gPrintSettingsAreGlobal + '  gSavePrintSettings = ' + this.gSavePrintSettings);
 491             }
 492
 493             var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
 494                 .getService(Components.interfaces.nsIPrintSettingsService);
 495             if (this.gPrintSettingsAreGlobal) {
 496                 this.gPrintSettings = printService.globalPrintSettings;
 497                 //alert('called setPrinterDefaultsForSelectedPrinter');
 498                 this.setPrinterDefaultsForSelectedPrinter(printService);
 499             } else {
 500                 this.gPrintSettings = printService.newPrintSettings;
 501                 //alert('used printService.newPrintSettings');
 502             }
 503         } catch (e) {
 504             this.error.sdump('D_ERROR',"GetPrintSettings() "+e+"\n");
 505             //alert("GetPrintSettings() "+e+"\n");
 506         }
 507
 508         return this.gPrintSettings;
 509     },
 510
 511     'setPrinterDefaultsForSelectedPrinter' : function (aPrintService) {
 512         try {
 513             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 514             if (this.gPrintSettings.printerName == "") {
 515                 this.gPrintSettings.printerName = aPrintService.defaultPrinterName;
 516                 //alert('used .defaultPrinterName');
 517             }
 518             //alert('printerName = ' + this.gPrintSettings.printerName);
 519
 520             // First get any defaults from the printer
 521             aPrintService.initPrintSettingsFromPrinter(this.gPrintSettings.printerName, this.gPrintSettings);
 522
 523             // now augment them with any values from last time
 524             aPrintService.initPrintSettingsFromPrefs(this.gPrintSettings, true, this.gPrintSettings.kInitSaveAll);
 525
 526             // now augment from our own saved settings if they exist
 527             this.load_settings();
 528
 529         } catch(E) {
 530             this.error.sdump('D_ERROR',"setPrinterDefaultsForSelectedPrinter() "+E+"\n");
 531         }
 532     },
 533
 534     'page_settings' : function() {
 535         try {
 536             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 537             this.GetPrintSettings();
 538             var PO = Components.classes["@mozilla.org/gfx/printsettings-service;1"].getService(Components.interfaces.nsIPrintOptions);
 539             PO.ShowPrintSetupDialog(this.gPrintSettings);
 540         } catch(E) {
 541             this.error.standard_unexpected_error_alert("page_settings()",E);
 542         }
 543     },
 544
 545     'load_settings' : function() {
 546         try {
 547             var error_msg = '';
 548             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 549             var file = new util.file('gPrintSettings.' + this.context);
 550             if (file._file.exists()) {
 551                 temp = file.get_object(); file.close();
 552                 for (var i in temp) {
 553                     try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 554                 }
 555             }  else if (this.context != 'default') {
 556                 var file = new util.file('gPrintSettings.default');
 557                 if (file._file.exists()) {
 558                     temp = file.get_object(); file.close();
 559                     for (var i in temp) {
 560                         try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 561                     }
 562                 } else {
 563                     this.gPrintSettings.marginTop = 0;
 564                     this.gPrintSettings.marginLeft = 0;
 565                     this.gPrintSettings.marginBottom = 0;
 566                     this.gPrintSettings.marginRight = 0;
 567                     this.gPrintSettings.headerStrLeft = '';
 568                     this.gPrintSettings.headerStrCenter = '';
 569                     this.gPrintSettings.headerStrRight = '';
 570                     this.gPrintSettings.footerStrLeft = '';
 571                     this.gPrintSettings.footerStrCenter = '';
 572                     this.gPrintSettings.footerStrRight = '';
 573                 }
 574             }
 575             if (error_msg) {
 576                 this.error.sdump('D_PRINT',error_msg);
 577                 this.error.yns_alert(
 578                     document.getElementById('offlineStrings').getString('load_printer_settings_error_description'),
 579                     document.getElementById('offlineStrings').getString('load_printer_settings_error_title'),
 580                     document.getElementById('offlineStrings').getString('common.ok'),
 581                     null,
 582                     null,
 583                     null
 584                 );
 585             }
 586         } catch(E) {
 587             this.error.standard_unexpected_error_alert("load_settings()",E);
 588         }
 589     },
 590
 591     'save_settings' : function() {
 592         try {
 593             var obj = this;
 594             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 595             var file = new util.file('gPrintSettings.' + this.context);
 596             if (typeof obj.gPrintSettings == 'undefined') obj.GetPrintSettings();
 597             if (obj.gPrintSettings) file.set_object(obj.gPrintSettings);
 598             file.close();
 599             if (this.context == 'default') {
 600                 // print.print_printer gets used by bare window.print()'s.  We sometimes use window.print for the
 601                 // WebBrowserPrint strategy to workaround bugs with the NSPrint xpcom, and only in the default context.
 602                 var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 603                 prefs.setCharPref('print.print_printer',obj.gPrintSettings.printerName);
 604             }
 605         } catch(E) {
 606             this.error.standard_unexpected_error_alert("save_settings()",E);
 607         }
 608     }
 609 }
 610
 611 dump('exiting util/print.js\n');