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     try {
  26         if (prefs.prefHasUserValue('print.always_print_silent')) {
  27             if (! prefs.getBoolPref('print.always_print_silent')) {
  28                 prefs.clearUserPref('print.always_print_silent');
  29             }
  30         }
  31     } catch(E) {
  32         dump('Error in print.js trying to clear print.always_print_silent\n');
  33     }
  34
  35     return this;
  36 };
  37
  38 util.print.prototype = {
  39
  40     'reprint_last' : function() {
  41         try {
  42             var obj = this; obj.data.init({'via':'stash'});
  43             if (!obj.data.last_print) {
  44                 alert(
  45                     document.getElementById('offlineStrings').getString('printing.nothing_to_reprint')
  46                 );
  47                 return;
  48             }
  49             var msg = obj.data.last_print.msg;
  50             var params = obj.data.last_print.params; params.no_prompt = false;
  51             obj.simple( msg, params );
  52         } catch(E) {
  53             this.error.standard_unexpected_error_alert('util.print.reprint_last',E);
  54         }
  55     },
  56
  57     'html2txt' : function(html) {
  58         JSAN.use('util.text');
  59         //dump('html2txt, before:\n' + html + '\n');
  60         var lines = html.split(/\n/);
  61         var new_lines = [];
  62         for (var i = 0; i < lines.length; i++) {
  63             var line = lines[i];
  64             if (line) {
  65                 // This undoes the util.text.preserve_string_in_html call that spine_label.js does
  66                 line = util.text.reverse_preserve_string_in_html(line);
  67                 // This looks for @hex attributes containing 2-digit hex codes, and converts them into real characters
  68                 line = line.replace(/(<.+?)hex=['"](.+?)['"](.*?>)/gi, function(str,p1,p2,p3,offset,s) {
  69                     var raw_chars = '';
  70                     var hex_chars = p2.match(/[0-9,a-f,A-F][0-9,a-f,A-F]/g);
  71                     for (var j = 0; j < hex_chars.length; j++) {
  72                         raw_chars += String.fromCharCode( parseInt(hex_chars[j],16) );
  73                     }
  74                     return p1 + p3 + raw_chars;
  75                 });
  76                 line = line.replace(/<head.*?>.*?<\/head>/gi, '');
  77                 line = line.replace(/<br.*?>/gi,'\r\n');
  78                 line = line.replace(/<table.*?>/gi,'');
  79                 line = line.replace(/<tr.*?>/gi,'');
  80                 line = line.replace(/<hr.*?>/gi,'\r\n');
  81                 line = line.replace(/<p.*?>/gi,'');
  82                 line = line.replace(/<block.*?>/gi,'');
  83                 line = line.replace(/<li.*?>/gi,' * ');
  84                 line = line.replace(/<.+?>/gi,'');
  85                 if (line) { new_lines.push(line); }
  86             } else {
  87                 new_lines.push(line);
  88             }
  89         }
  90         var new_html = new_lines.join('\n');
  91         //dump('html2txt, after:\n' + new_html + '\nhtml2txt, done.\n');
  92         return new_html;
  93     },
  94
  95     'simple' : function(msg,params) {
  96         try {
  97             if (!params) params = {};
  98             params.msg = msg;
  99
 100             var obj = this;
 101
 102             obj.data.last_print = { 'msg' : msg, 'params' : params, 'context' : this.context};
 103             obj.data.stash('last_print');
 104
 105             var silent = false;
 106             if ( params && params.no_prompt && (params.no_prompt == true || params.no_prompt == 'true') ) {
 107                 silent = true;
 108             }
 109
 110             var content_type;
 111             if (params && params.content_type) {
 112                 content_type = params.content_type;
 113             } else {
 114                 content_type = 'text/html';
 115             }
 116
 117             var w;
 118
 119             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 120             obj.data.init({'via':'stash'});
 121
 122             if (typeof obj.data.print_strategy == 'undefined') {
 123                 obj.data.print_strategy = {};
 124                 obj.data.stash('print_strategy');
 125             }
 126
 127             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 128
 129                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 130                     case 'dos.print':
 131                         params.dos_print = true;
 132                     case 'custom.print':
 133                         /* FIXME - this it a kludge.. we're going to sidestep window-based html rendering for printing */
 134                         /* I'm using regexps to mangle the html receipt templates; it'd be nice to use xsl but the */
 135                         /* templates aren't guaranteed to be valid xml.  The unadulterated msg is still preserved in */
 136                         /* params */
 137                         if (content_type=='text/html') {
 138                             w = obj.html2txt(msg);
 139                         } else {
 140                             w = msg;
 141                         }
 142                         if (! params.no_form_feed) { w = w + '\f'; }
 143                         obj.NSPrint(w, silent, params);
 144                         return;
 145                     break;
 146                 }
 147             }
 148
 149             switch(content_type) {
 150                 case 'text/html' :
 151                     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 */ }');
 152                     var print_url = 'data:text/html,'
 153                         + '<html id="top"><head><script src="/xul/server/main/JSAN.js"></script><script src="' + window.escape(jsrc) + '"></script></head>'
 154                         + '<body onload="try{my_init();}catch(E){alert(E);}">' + window.escape(msg) + '</body></html>';
 155                     w = obj.win.open(print_url,'receipt_temp','chrome,resizable');
 156                     w.minimize();
 157                     w.go_print = function() {
 158                         try {
 159                             obj.NSPrint(w, silent, params);
 160                         } catch(E) {
 161                             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);
 162                             w.print();
 163                         }
 164                         w.minimize(); w.close();
 165                     }
 166                 break;
 167                 default:
 168                     w = obj.win.open('data:' + content_type + ',' + window.escape(msg),'receipt_temp','chrome,resizable');
 169                     w.minimize();
 170                     setTimeout(
 171                         function() {
 172                             try {
 173                                 obj.NSPrint(w, silent, params);
 174                             } catch(E) {
 175                                 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);
 176                                 w.print();
 177                             }
 178                             w.minimize(); w.close();
 179                         }, 1000
 180                     );
 181                 break;
 182             }
 183
 184         } catch(E) {
 185             this.error.standard_unexpected_error_alert('util.print.simple',E);
 186         }
 187     },
 188
 189     'tree_list' : function (params) {
 190         try {
 191             dump('print.tree_list.params.list = \n' + this.error.pretty_print(js2JSON(params.list)) + '\n');
 192             dump('print.tree_list.params.data = \n' + this.error.pretty_print(js2JSON(params.data)) + '\n');
 193         } catch(E) {
 194             dump(E+'\n');
 195         }
 196         var cols = [];
 197         var s = '';
 198         if (params.header) s += this.template_sub( params.header, cols, params );
 199         if (params.list) {
 200             for (var i = 0; i < params.list.length; i++) {
 201                 params.row = params.list[i];
 202                 params.row_idx = i;
 203                 s += this.template_sub( params.line_item, cols, params );
 204             }
 205         }
 206         if (params.footer) s += this.template_sub( params.footer, cols, params );
 207
 208         if (params.sample_frame) {
 209             var jsrc = 'data:text/javascript,' + window.escape('var params = { "data" : ' + js2JSON(params.data) + ', "list" : ' + js2JSON(params.list) + '};');
 210             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>');
 211         } else {
 212             this.simple(s,params);
 213         }
 214     },
 215
 216     'template_sub' : function( msg, cols, params ) {
 217         try {
 218             var obj = this;
 219             if (!msg) { dump('template sub called with empty string\n'); return; }
 220             JSAN.use('util.date');
 221             var s = msg; var b;
 222
 223             try{b = s; s = s.replace(/%LINE_NO%/,Number(params.row_idx)+1);}
 224                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 225
 226             try{b = s; s = s.replace(/%patron_barcode%/,params.patron_barcode);}
 227                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 228
 229             try{b = s; s = s.replace(/%LIBRARY%/,params.lib.name());}
 230                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 231             try{b = s; s = s.replace(/%PINES_CODE%/,params.lib.shortname());}
 232                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 233             try{b = s; s = s.replace(/%SHORTNAME%/,params.lib.shortname());}
 234                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 235             try{b = s; s = s.replace(/%STAFF_FIRSTNAME%/,params.staff.first_given_name());}
 236                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 237             try{b = s; s = s.replace(/%STAFF_LASTNAME%/,params.staff.family_name());}
 238                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 239             try{b = s; s = s.replace(/%STAFF_BARCODE%/,params.staff.barcode); }
 240                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 241             try{b = s; s = s.replace(/%STAFF_PROFILE%/,obj.data.hash.pgt[ params.staff.profile() ].name() ); }
 242                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 243             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());}
 244                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 245             try{b = s; s = s.replace(/%PATRON_ALIAS%/,(params.patron.alias() == '' || params.patron.alias() == null) ? '' : params.patron.alias());}
 246                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 247             try{b = s; s = s.replace(/%PATRON_FIRSTNAME%/,params.patron.first_given_name());}
 248                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 249             try{b = s; s = s.replace(/%PATRON_LASTNAME%/,params.patron.family_name());}
 250                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 251             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() ) ;}
 252                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 253
 254             try{b = s; s=s.replace(/%TODAY%/g,(new Date()));}
 255                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 256             try{b = s; s=s.replace(/%TODAY_m%/g,(util.date.formatted_date(new Date(),'%m')));}
 257                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 258             try{b = s; s=s.replace(/%TODAY_TRIM%/g,(util.date.formatted_date(new Date(),'')));}
 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_Y%/g,(util.date.formatted_date(new Date(),'%Y')));}
 263                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 264             try{b = s; s=s.replace(/%TODAY_H%/g,(util.date.formatted_date(new Date(),'%H')));}
 265                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 266             try{b = s; s=s.replace(/%TODAY_I%/g,(util.date.formatted_date(new Date(),'%I')));}
 267                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 268             try{b = s; s=s.replace(/%TODAY_M%/g,(util.date.formatted_date(new Date(),'%M')));}
 269                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 270             try{b = s; s=s.replace(/%TODAY_D%/g,(util.date.formatted_date(new Date(),'%D')));}
 271                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 272             try{b = s; s=s.replace(/%TODAY_F%/g,(util.date.formatted_date(new Date(),'%F')));}
 273                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 274
 275             try {
 276                 if (typeof params.row != 'undefined') {
 277                     if (params.row.length >= 0) {
 278                         alert('debug - please tell the developers that deprecated template code tried to execute');
 279                         for (var i = 0; i < cols.length; i++) {
 280                             var re = new RegExp(cols[i],"g");
 281                             try{b = s; s=s.replace(re, params.row[i]);}
 282                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 1 string = <' + s + '>',E);}
 283                         }
 284                     } else {
 285                         /* for dump_with_keys */
 286                         for (var i in params.row) {
 287                             var re = new RegExp('%'+i+'%',"g");
 288                             try{b = s; s=s.replace(re, params.row[i]);}
 289                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 2 string = <' + s + '>',E);}
 290                         }
 291                     }
 292                 }
 293
 294                 if (typeof params.data != 'undefined') {
 295                     for (var i in params.data) {
 296                         var re = new RegExp('%'+i+'%',"g");
 297                         if (typeof params.data[i] == 'string') {
 298                             try{b = s; s=s.replace(re, params.data[i]);}
 299                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 3 string = <' + s + '>',E);}
 300                         }
 301                     }
 302                 }
 303             } catch(E) { dump(E+'\n'); }
 304
 305             // Substrings
 306             try {
 307                 var match;
 308                 // Pre-trim inside of substrings, and only inside of them
 309                 // This keeps the trim commands from being truncated
 310                 var substr_trim_patt=/(%SUBSTR\(-?\d+,?\s*(-?\d+)?\)%.*?)(\s*%-TRIM%|%TRIM-%\s*)(.*?%SUBSTR_END%)/;
 311                 while(match = substr_trim_patt.exec(s))
 312                     s = s.replace(match[0], match[1] + match[4]);
 313                 // Then do the substrings themselves
 314                 var substr_patt=/%SUBSTR\((-?\d+),?\s*(-?\d+)?\)%(.*?)%SUBSTR_END%/;
 315                 while(match = substr_patt.exec(s)) {
 316                     var substring_start = parseInt(match[1]);
 317                     if(substring_start < 0) substring_start = match[3].length + substring_start;
 318                     var substring_length = parseInt(match[2]);
 319                     if(substring_length > 0)
 320                         s = s.replace(match[0], match[3].substring(substring_start, substring_start + substring_length));
 321                     else if(substring_length < 0)
 322                         s = s.replace(match[0], match[3].substring(substring_start + substring_length, substring_start));
 323                     else
 324                         s = s.replace(match[0], match[3].substring(substring_start));
 325                 }
 326             } catch(E) { dump(E+'\n'); }
 327
 328             // Cleanup unwanted whitespace
 329             try {
 330                 s = s.replace(/%TRIM-%\s*/g,'');
 331                 s = s.replace(/\s*%-TRIM%/g,'');
 332             } catch(E) { dump(E+'\n'); }
 333
 334             return s;
 335         } catch(E) {
 336             alert('Error in print.js, template_sub(): ' + E);
 337         }
 338     },
 339
 340
 341     'NSPrint' : function(w,silent,params) {
 342         if (!w) w = window;
 343         var obj = this;
 344         try {
 345             if (!params) params = {};
 346
 347             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 348             obj.data.init({'via':'stash'});
 349
 350             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 351
 352                 dump('params.print_strategy = ' + params.print_strategy
 353                     + ' || obj.data.print_strategy[' + obj.context + '] = ' + obj.data.print_strategy[obj.context]
 354                     + ' || obj.data.print_strategy[default] = ' + obj.data.print_strategy['default']
 355                     + ' => ' + ( params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default'] ) + '\n');
 356                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 357                     case 'dos.print':
 358                     case 'custom.print':
 359                         if (typeof w != 'string') {
 360                             try {
 361                                 var temp_w = params.msg || w.document.firstChild.innerHTML;
 362                                 if (!params.msg) { params.msg = temp_w; }
 363                                 if (typeof temp_w != 'string') { throw(temp_w); }
 364                                 w = obj.html2txt(temp_w);
 365                             } catch(E) {
 366                                 dump('util.print: Could not use w.document.firstChild.innerHTML with ' + w + ': ' + E + '\n');
 367                                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 368                                 w.getSelection().selectAllChildren(w.document.firstChild);
 369                                 w = w.getSelection().toString();
 370                             }
 371                         }
 372                         obj._NSPrint_custom_print(w,silent,params);
 373                     break;
 374                     case 'window.print':
 375                         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 376                         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 377                         var originalPrinter = false;
 378                         if (prefs.prefHasUserValue('print.print_printer')) {
 379                             // This is for restoring print.print_printer after any print dialog, so that when
 380                             // window.print gets used again, it uses the configured printer for the right context
 381                             // (which should only be default--window.print is a kludge and is in limited use),
 382                             // rather than the printer last used.
 383                             originalPrinter = prefs.getCharPref('print.print_printer');
 384                         }
 385                         if (typeof w == 'object') {
 386                             w.print();
 387                             if (originalPrinter) {
 388                                 prefs.setCharPref('print.print_printer',originalPrinter);
 389                             }
 390                         } else {
 391                             if (params.content_type == 'text/plain') {
 392                                 w = window.open('data:text/plain,'+escape(params.msg));
 393                             } else {
 394                                 w = window.open('data:text/html,'+escape(params.msg));
 395                             }
 396                             setTimeout(
 397                                 function() {
 398                                     w.print();
 399                                     if (originalPrinter) {
 400                                         prefs.setCharPref('print.print_printer',originalPrinter);
 401                                     }
 402                                     setTimeout(
 403                                         function() {
 404                                             w.close();
 405                                         }, 2000
 406                                     );
 407                                 }, 0
 408                             );
 409                         }
 410                     break;
 411                     case 'webBrowserPrint':
 412                     default:
 413                         if (typeof w == 'object') {
 414                             obj._NSPrint_webBrowserPrint(w,silent,params);
 415                         } else {
 416                             if (params.content_type == 'text/plain') {
 417                                 w = window.open('data:text/plain,'+escape(params.msg));
 418                             } else {
 419                                 w = window.open('data:text/html,'+escape(params.msg));
 420                             }
 421                             setTimeout(
 422                                 function() {
 423                                     obj._NSPrint_webBrowserPrint(w,silent,params);
 424                                     setTimeout(
 425                                         function() {
 426                                             w.close();
 427                                         }, 2000
 428                                     );
 429                                 }, 0
 430                             );
 431                         }
 432                     break;
 433                 }
 434
 435             } else {
 436                 //w.print();
 437                 obj._NSPrint_webBrowserPrint(w,silent,params);
 438             }
 439
 440         } catch (e) {
 441             alert('Probably not printing: ' + e);
 442             this.error.sdump('D_ERROR','PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 443         }
 444
 445     },
 446
 447     '_NSPrint_custom_print' : function(w,silent,params) {
 448         var obj = this;
 449         try {
 450
 451             var text = w;
 452             var html = params.msg || w;
 453
 454             var txt_file = new util.file('receipt.txt');
 455             txt_file.write_content('truncate',text);
 456             var text_path = '"' + txt_file._file.path + '"';
 457             txt_file.close();
 458
 459             var html_file = new util.file('receipt.html');
 460             html_file.write_content('truncate',html);
 461             var html_path = '"' + html_file._file.path + '"';
 462             html_file.close();
 463
 464             var cmd = params.dos_print ?
 465                 'copy ' + text_path + ' lpt1 /b\n'
 466                 : obj.oils_printer_external_cmd.replace('%receipt.txt%',text_path).replace('%receipt.html%',html_path)
 467             ;
 468
 469             file = new util.file('receipt.bat');
 470             file.write_content('truncate+exec',cmd);
 471             file.close();
 472             file = new util.file('receipt.bat');
 473
 474             dump('print exec: ' + cmd + '\n');
 475             var process = Components.classes["@mozilla.org/process/util;1"].createInstance(Components.interfaces.nsIProcess);
 476             process.init(file._file);
 477
 478             var args = [];
 479
 480             dump('process.run = ' + process.run(true, args, args.length) + '\n');
 481
 482             file.close();
 483
 484         } catch (e) {
 485             //alert('Probably not printing: ' + e);
 486             this.error.sdump('D_ERROR','_NSPrint_custom_print PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 487         }
 488     },
 489
 490     '_NSPrint_webBrowserPrint' : function(w,silent,params) {
 491         var obj = this;
 492         try {
 493             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 494             var webBrowserPrint = w
 495                 .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
 496                 .getInterface(Components.interfaces.nsIWebBrowserPrint);
 497             this.error.sdump('D_PRINT','webBrowserPrint = ' + webBrowserPrint);
 498             if (webBrowserPrint) {
 499                 var gPrintSettings = obj.GetPrintSettings();
 500                 if (silent) gPrintSettings.printSilent = true;
 501                 else gPrintSettings.printSilent = false;
 502                 if (params) {
 503                     if (params.marginLeft) gPrintSettings.marginLeft = params.marginLeft;
 504                 }
 505                 webBrowserPrint.print(gPrintSettings, null);
 506                 this.error.sdump('D_PRINT','Should be printing\n');
 507             } else {
 508                 this.error.sdump('D_ERROR','Should not be printing\n');
 509             }
 510         } catch (e) {
 511             //alert('Probably not printing: ' + e);
 512             // Pressing cancel is expressed as an NS_ERROR_ABORT return value,
 513             // causing an exception to be thrown which we catch here.
 514             // Unfortunately this will also consume helpful failures
 515             this.error.sdump('D_ERROR','_NSPrint_webBrowserPrint PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 516         }
 517     },
 518
 519     'GetPrintSettings' : function() {
 520         try {
 521             //alert('entering GetPrintSettings');
 522             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 523             var pref = Components.classes["@mozilla.org/preferences-service;1"]
 524                 .getService(Components.interfaces.nsIPrefBranch);
 525             //alert('pref = ' + pref);
 526             if (pref) {
 527                 this.gPrintSettingsAreGlobal = pref.getBoolPref("print.use_global_printsettings", false);
 528                 this.gSavePrintSettings = pref.getBoolPref("print.save_print_settings", false);
 529                 //alert('gPrintSettingsAreGlobal = ' + this.gPrintSettingsAreGlobal + '  gSavePrintSettings = ' + this.gSavePrintSettings);
 530             }
 531
 532             var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
 533                 .getService(Components.interfaces.nsIPrintSettingsService);
 534             if (this.gPrintSettingsAreGlobal) {
 535                 this.gPrintSettings = printService.globalPrintSettings;
 536                 //alert('called setPrinterDefaultsForSelectedPrinter');
 537                 this.setPrinterDefaultsForSelectedPrinter(printService);
 538             } else {
 539                 this.gPrintSettings = printService.newPrintSettings;
 540                 //alert('used printService.newPrintSettings');
 541             }
 542         } catch (e) {
 543             this.error.sdump('D_ERROR',"GetPrintSettings() "+e+"\n");
 544             //alert("GetPrintSettings() "+e+"\n");
 545         }
 546
 547         return this.gPrintSettings;
 548     },
 549
 550     'setPrinterDefaultsForSelectedPrinter' : function (aPrintService) {
 551         try {
 552             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 553             if (this.gPrintSettings.printerName == "") {
 554                 this.gPrintSettings.printerName = aPrintService.defaultPrinterName;
 555                 //alert('used .defaultPrinterName');
 556             }
 557             //alert('printerName = ' + this.gPrintSettings.printerName);
 558
 559             // First get any defaults from the printer
 560             aPrintService.initPrintSettingsFromPrinter(this.gPrintSettings.printerName, this.gPrintSettings);
 561
 562             // now augment them with any values from last time
 563             aPrintService.initPrintSettingsFromPrefs(this.gPrintSettings, true, this.gPrintSettings.kInitSaveAll);
 564
 565             // now augment from our own saved settings if they exist
 566             this.load_settings();
 567
 568         } catch(E) {
 569             this.error.sdump('D_ERROR',"setPrinterDefaultsForSelectedPrinter() "+E+"\n");
 570         }
 571     },
 572
 573     'page_settings' : function() {
 574         try {
 575             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 576             this.GetPrintSettings();
 577             var PO = Components.classes["@mozilla.org/gfx/printsettings-service;1"].getService(Components.interfaces.nsIPrintOptions);
 578             PO.ShowPrintSetupDialog(this.gPrintSettings);
 579         } catch(E) {
 580             this.error.standard_unexpected_error_alert("page_settings()",E);
 581         }
 582     },
 583
 584     'load_settings' : function() {
 585         try {
 586             var error_msg = '';
 587             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 588             var file = new util.file('gPrintSettings.' + this.context);
 589             if (file._file.exists()) {
 590                 temp = file.get_object(); file.close();
 591                 for (var i in temp) {
 592                     try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 593                 }
 594             }  else if (this.context != 'default') {
 595                 var file = new util.file('gPrintSettings.default');
 596                 if (file._file.exists()) {
 597                     temp = file.get_object(); file.close();
 598                     for (var i in temp) {
 599                         try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 600                     }
 601                 } else {
 602                     this.gPrintSettings.marginTop = 0;
 603                     this.gPrintSettings.marginLeft = 0;
 604                     this.gPrintSettings.marginBottom = 0;
 605                     this.gPrintSettings.marginRight = 0;
 606                     this.gPrintSettings.headerStrLeft = '';
 607                     this.gPrintSettings.headerStrCenter = '';
 608                     this.gPrintSettings.headerStrRight = '';
 609                     this.gPrintSettings.footerStrLeft = '';
 610                     this.gPrintSettings.footerStrCenter = '';
 611                     this.gPrintSettings.footerStrRight = '';
 612                 }
 613             }
 614             if (error_msg) {
 615                 this.error.sdump('D_PRINT',error_msg);
 616                 this.error.yns_alert(
 617                     document.getElementById('offlineStrings').getString('load_printer_settings_error_description'),
 618                     document.getElementById('offlineStrings').getString('load_printer_settings_error_title'),
 619                     document.getElementById('offlineStrings').getString('common.ok'),
 620                     null,
 621                     null,
 622                     null
 623                 );
 624             }
 625         } catch(E) {
 626             this.error.standard_unexpected_error_alert("load_settings()",E);
 627         }
 628     },
 629
 630     'save_settings' : function() {
 631         try {
 632             var obj = this;
 633             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 634             var file = new util.file('gPrintSettings.' + this.context);
 635             if (typeof obj.gPrintSettings == 'undefined') obj.GetPrintSettings();
 636             if (obj.gPrintSettings) file.set_object(obj.gPrintSettings);
 637             file.close();
 638             if (this.context == 'default') {
 639                 // print.print_printer gets used by bare window.print()'s.  We sometimes use window.print for the
 640                 // WebBrowserPrint strategy to workaround bugs with the NSPrint xpcom, and only in the default context.
 641                 var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 642                 prefs.setCharPref('print.print_printer',obj.gPrintSettings.printerName);
 643             }
 644         } catch(E) {
 645             this.error.standard_unexpected_error_alert("save_settings()",E);
 646         }
 647     }
 648 }
 649
 650 dump('exiting util/print.js\n');