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                 line = line.replace(/&lt;/gi,'<');
  86                 line = line.replace(/&gt;/gi,'>');
  87                 line = line.replace(/&amp;/gi,'&');
  88                 if (line) { new_lines.push(line); }
  89             } else {
  90                 new_lines.push(line);
  91             }
  92         }
  93         var new_html = new_lines.join('\n');
  94         //dump('html2txt, after:\n' + new_html + '\nhtml2txt, done.\n');
  95         return new_html;
  96     },
  97
  98     'escape_html' : function(data) {
  99         return data.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 100     },
 101
 102     'simple' : function(msg,params) {
 103         try {
 104             if (!params) params = {};
 105             params.msg = msg;
 106
 107             var obj = this;
 108
 109             obj.data.last_print = { 'msg' : msg, 'params' : params, 'context' : this.context};
 110             obj.data.stash('last_print');
 111
 112             var silent = false;
 113             if ( params && params.no_prompt && (params.no_prompt == true || params.no_prompt == 'true') ) {
 114                 silent = true;
 115             }
 116
 117             var content_type;
 118             if (params && params.content_type) {
 119                 content_type = params.content_type;
 120             } else {
 121                 content_type = 'text/html';
 122             }
 123
 124             var w;
 125
 126             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 127             obj.data.init({'via':'stash'});
 128
 129             if (typeof obj.data.print_strategy == 'undefined') {
 130                 obj.data.print_strategy = {};
 131                 obj.data.stash('print_strategy');
 132             }
 133
 134             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 135
 136                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 137                     case 'dos.print':
 138                         params.dos_print = true;
 139                     case 'custom.print':
 140                         /* FIXME - this it a kludge.. we're going to sidestep window-based html rendering for printing */
 141                         /* I'm using regexps to mangle the html receipt templates; it'd be nice to use xsl but the */
 142                         /* templates aren't guaranteed to be valid xml.  The unadulterated msg is still preserved in */
 143                         /* params */
 144                         if (content_type=='text/html') {
 145                             w = obj.html2txt(msg);
 146                         } else {
 147                             w = msg;
 148                         }
 149                         if (! params.no_form_feed) { w = w + '\f'; }
 150                         obj.NSPrint(w, silent, params);
 151                         return;
 152                     break;
 153                 }
 154             }
 155
 156             switch(content_type) {
 157                 case 'text/html' :
 158                     if(!params.type) {
 159                         params.type = '';
 160                     }
 161                     var my_prefix = '/xul/server/';
 162                     if(window.location.protocol == "chrome:") {
 163                         // Likely in offline interface
 164                         my_prefix = 'chrome://open_ils_staff_client/content/';
 165                     } else {
 166                         if(xulG && xulG.url_prefix) {
 167                             my_prefix = xulG.url_prefix(my_prefix);
 168                         }
 169                     }
 170                     var print_url = 'data:text/html,<html id="top"><head>'
 171                         + '<script src="' + my_prefix + 'util/print_win.js"></script>'
 172                         + '<script src="' + my_prefix + 'util/print_custom.js"></script>';
 173                     if(this.data.hash.aous['print.custom_js_file']) {
 174                         print_url += '<script src="' + this.data.hash.aous['print.custom_js_file'] + '"></script>';
 175                     }
 176                     print_url += '</head><body onload="try{print_init(\'' + params.type + '\');}catch(E){alert(E);}">' + window.escape(msg.replace(/<script[^>]*>.*?<\/script>/gi,'')) + '</body></html>';
 177                     obj.win.openDialog(print_url,'receipt_temp','chrome,resizable,modal', null, { "data" : params.data, "list" : params.list}, function(w) {
 178                         try {
 179                             obj.NSPrint(w, silent, params);
 180                         } catch(E) {
 181                             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);
 182                             w.print();
 183                         }
 184                         w.close();
 185                     });
 186                 break;
 187                 default:
 188                     w = obj.win.open('data:' + content_type + ',' + window.escape(msg),'receipt_temp','chrome,resizable');
 189                     w.minimize();
 190                     setTimeout(
 191                         function() {
 192                             try {
 193                                 obj.NSPrint(w, silent, params);
 194                             } catch(E) {
 195                                 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);
 196                                 w.print();
 197                             }
 198                             w.minimize(); w.close();
 199                         }, 1000
 200                     );
 201                 break;
 202             }
 203
 204         } catch(E) {
 205             this.error.standard_unexpected_error_alert('util.print.simple',E);
 206         }
 207     },
 208
 209     'tree_list' : function (params) {
 210         try {
 211             dump('print.tree_list.params.list = \n' + this.error.pretty_print(js2JSON(params.list)) + '\n');
 212             dump('print.tree_list.params.data = \n' + this.error.pretty_print(js2JSON(params.data)) + '\n');
 213         } catch(E) {
 214             dump(E+'\n');
 215         }
 216         var cols = [];
 217         var s = '';
 218         if (params.header) s += this.template_sub( params.header, cols, params );
 219         if (params.list) {
 220             // Pre-templating sort
 221             // %SORT(field[ AS type][ ASC|DESC][,...])%
 222             var sort_blocks = params.line_item.match(/%SORT\([^)]+\)%/g);
 223             if(sort_blocks) {
 224                 for(var i = 0; i < sort_blocks.length; i++) {
 225                     sort_blocks[i] = sort_blocks[i].substring(6,sort_blocks[i].length-2);
 226                 }
 227                 sort_blocks = sort_blocks.join(',').split(/\s*,\s*/); // Supports %SORT(a,b)% and %SORT(a)% %SORT(b)% methods
 228                 for(var i = 0; i < sort_blocks.length; i++) {
 229                     sort_blocks[i] = sort_blocks[i].match(/([^ ]+)(?:\s+AS\s+([^ ]+))?(?:\s+(ASC|DESC))?/);
 230                     sort_blocks[i].shift(); // Removes the "full match" entry
 231                 }
 232
 233                 function sorter(a, b) {
 234                     var return_val = 0;
 235                     for(var i = 0; i < sort_blocks.length && return_val == 0; i++) {
 236                         var sort = sort_blocks[i];
 237                         var a_test = a[sort[0]];
 238                         var b_test = b[sort[0]];
 239                         sort[1] = sort[1] || '';
 240                         sort[2] = sort[2] || 'ASC';
 241                         switch(sort[1].toUpperCase()) {
 242                             case 'DATE':
 243                                 a_test = new Date(a_test);
 244                                 b_test = new Date(b_test);
 245                                 break;
 246                             case 'INT':
 247                                 a_test = parseInt(a_test);
 248                                 b_test = parseInt(b_test);
 249                                 break;
 250                             case 'FLOAT':
 251                             case 'NUMBER':
 252                                 a_test = parseFloat(a_test);
 253                                 b_test = parseFloat(b_test);
 254                                 break;
 255                             case 'LOWER':
 256                                 a_test = a_test.toLowerCase();
 257                                 b_test = b_test.toLowerCase();
 258                                 break;
 259                             case 'UPPER':
 260                                 a_test = a_test.toUpperCase();
 261                                 b_test = b_test.toUpperCase();
 262                                 break;
 263                         }
 264                         if(a_test > b_test) return_val = 1;
 265                         if(a_test < b_test) return_val = -1;
 266                         if(sort[2] == 'DESC') return_val *= -1;
 267                     }
 268                     return return_val;
 269                 }
 270                 params.list.sort(sorter);
 271                 params.line_item = params.line_item.replace(/%SORT\([^)]*\)%/g,'');
 272             }
 273
 274             for (var i = 0; i < params.list.length; i++) {
 275                 params.row = params.list[i];
 276                 params.row_idx = i;
 277                 s += this.template_sub( params.line_item, cols, params );
 278             }
 279         }
 280         if (params.footer) s += this.template_sub( params.footer, cols, params );
 281
 282         // Sanity check, no javascript in templates
 283         // Note: [\s\S] is a workaround for . not including newlines.
 284         s=s.replace(/<script[^>]*>[\s\S]*?<\/script[^>]*>/gi,'')
 285         s=s.replace(/onload\s*=\s*"[^"]*"/gi,'');
 286         s=s.replace(/onload\s*=\s*'[^']*'/gi,'');
 287
 288         if (params.sample_frame) {
 289             var jsrc = 'data:text/javascript,' + window.escape('var params = { "data" : ' + js2JSON(params.data) + ', "list" : ' + js2JSON(params.list) + '};');
 290             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>');
 291         } else {
 292             this.simple(s,params);
 293         }
 294     },
 295
 296     'template_sub' : function( msg, cols, params ) {
 297         try {
 298             var obj = this;
 299             if (!msg) { dump('template sub called with empty string\n'); return; }
 300             JSAN.use('util.date');
 301             var s = msg; var b;
 302
 303             // Includes
 304             // Note that we keep track of already included settings
 305             // This ensures that we don't infinite loop through includes
 306             try {
 307                 var match;
 308                 var include_patt=/%INCLUDE\(\s*([^)]*?)\s*\)%/;
 309                 var included = {};
 310                 while(match = include_patt.exec(s)) {
 311                     if(match[1] == '' || included[match[1]]) {
 312                         s = s.replace(match[0], '');
 313                     } else {
 314                         included[match[1]] = true;
 315                         s = s.replace(new RegExp("%INCLUDE\\(\\s*" + match[1].replace(/([.?*+^$[\]\\(){}-])/g, "\\$1") + "\\s*\\)%","g"), obj.data.hash.aous['circ.staff_client.receipt.' + match[1]] || '');
 316                     }
 317                 }
 318             } catch(E) { dump(E+'\n'); }
 319
 320             try{b = s; s = s.replace(/%LINE_NO%/g,Number(params.row_idx)+1);}
 321                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 322
 323             try{b = s; s = s.replace(/%patron_barcode%/g,this.escape_html(params.patron_barcode));}
 324                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 325
 326             try{b = s; s = s.replace(/%LIBRARY%/g,this.escape_html(params.lib.name()));}
 327                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 328             try{b = s; s = s.replace(/%PINES_CODE%/g,this.escape_html(params.lib.shortname()));}
 329                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 330             try{b = s; s = s.replace(/%SHORTNAME%/g,this.escape_html(params.lib.shortname()));}
 331                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 332             try{b = s; s = s.replace(/%STAFF_FIRSTNAME%/g,this.escape_html(params.staff.first_given_name()));}
 333                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 334             try{b = s; s = s.replace(/%STAFF_LASTNAME%/g,this.escape_html(params.staff.family_name()));}
 335                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 336             try{b = s; s = s.replace(/%STAFF_BARCODE%/g,this.escape_html(params.staff.barcode)); }
 337                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 338             try{b = s; s = s.replace(/%STAFF_PROFILE%/g,this.escape_html(obj.data.hash.pgt[ params.staff.profile() ].name() )); }
 339                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 340             try{b = s; s = s.replace(/%PATRON_ALIAS_OR_FIRSTNAME%/g,this.escape_html((params.patron.alias() == '' || params.patron.alias() == null) ? params.patron.first_given_name() : params.patron.alias()));}
 341                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 342             try{b = s; s = s.replace(/%PATRON_ALIAS%/g,this.escape_html((params.patron.alias() == '' || params.patron.alias() == null) ? '' : params.patron.alias()));}
 343                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 344             try{b = s; s = s.replace(/%PATRON_FIRSTNAME%/g,this.escape_html(params.patron.first_given_name()));}
 345                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 346             try{b = s; s = s.replace(/%PATRON_LASTNAME%/g,this.escape_html(params.patron.family_name()));}
 347                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 348             try{b = s; s = s.replace(/%PATRON_BARCODE%/g,this.escape_html(typeof params.patron.card() == 'object' ? params.patron.card().barcode() : util.functional.find_id_object_in_list( params.patron.cards(), params.patron.card() ).barcode() )) ;}
 349                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 350
 351             try{b = s; s=s.replace(/%TODAY%/g,(new Date()));}
 352                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 353             try{b = s; s=s.replace(/%TODAY_m%/g,(util.date.formatted_date(new Date(),'%m')));}
 354                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 355             try{b = s; s=s.replace(/%TODAY_TRIM%/g,(util.date.formatted_date(new Date(),'')));}
 356                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 357             try{b = s; s=s.replace(/%TODAY_d%/g,(util.date.formatted_date(new Date(),'%d')));}
 358                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 359             try{b = s; s=s.replace(/%TODAY_Y%/g,(util.date.formatted_date(new Date(),'%Y')));}
 360                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 361             try{b = s; s=s.replace(/%TODAY_H%/g,(util.date.formatted_date(new Date(),'%H')));}
 362                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 363             try{b = s; s=s.replace(/%TODAY_I%/g,(util.date.formatted_date(new Date(),'%I')));}
 364                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 365             try{b = s; s=s.replace(/%TODAY_M%/g,(util.date.formatted_date(new Date(),'%M')));}
 366                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 367             try{b = s; s=s.replace(/%TODAY_D%/g,(util.date.formatted_date(new Date(),'%D')));}
 368                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 369             try{b = s; s=s.replace(/%TODAY_F%/g,(util.date.formatted_date(new Date(),'%F')));}
 370                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 371
 372             try {
 373                 if (typeof params.row != 'undefined') {
 374                     if (params.row.length >= 0) {
 375                         alert('debug - please tell the developers that deprecated template code tried to execute');
 376                         for (var i = 0; i < cols.length; i++) {
 377                             var re = new RegExp(cols[i],"g");
 378                             try{b = s; s=s.replace(re, this.escape_html(params.row[i]));}
 379                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 1 string = <' + s + '>',E);}
 380                         }
 381                     } else {
 382                         /* for dump_with_keys */
 383                         for (var i in params.row) {
 384                             var re = new RegExp('%'+i+'%',"g");
 385                             try{b = s; s=s.replace(re, this.escape_html(params.row[i].toString()));}
 386                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 2 string = <' + s + '>',E);}
 387                         }
 388                     }
 389                 }
 390
 391                 if (typeof params.data != 'undefined') {
 392                     for (var i in params.data) {
 393                         var re = new RegExp('%'+i+'%',"g");
 394                         if (typeof params.data[i] == 'string' || typeof params.data[i] == 'number') {
 395                             try{b = s; s=s.replace(re, (typeof params.data[i] == 'string' ? this.escape_html(params.data[i]) : params.data[i]));}
 396                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 3 string = <' + s + '>',E);}
 397                         } else {
 398                             /* likely a null, print as an empty string */
 399                             try{b = s; s=s.replace(re, '');}
 400                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 3 string = <' + s + '>',E);}
 401                         }
 402                     }
 403                 }
 404             } catch(E) { dump(E+'\n'); }
 405
 406             // Date Format
 407             try {
 408                 var match;
 409                 var date_format_patt=/%DATE_FORMAT\(\s*([^,]*?)\s*,\s*([^)]*?)\s*\)%/;
 410                 while(match = date_format_patt.exec(s)) {
 411                     if(match[1] == '' || match[2] == '')
 412                         s = s.replace(match[0], '');
 413                     else
 414                         s = s.replace(match[0], util.date.formatted_date(match[1], match[2]));
 415                 }
 416             } catch(E) { dump(E+'\n'); }
 417
 418             // Substrings
 419             try {
 420                 var match;
 421                 // Pre-trim inside of substrings, and only inside of them
 422                 // This keeps the trim commands from being truncated
 423                 var substr_trim_patt=/(%SUBSTR\(-?\d+,?\s*(-?\d+)?\)%.*?)(\s*%-TRIM%|%TRIM-%\s*)(.*?%SUBSTR_END%)/;
 424                 while(match = substr_trim_patt.exec(s))
 425                     s = s.replace(match[0], match[1] + match[4]);
 426                 // Then do the substrings themselves
 427                 var substr_patt=/%SUBSTR\((-?\d+),?\s*(-?\d+)?\)%(.*?)%SUBSTR_END%/;
 428                 while(match = substr_patt.exec(s)) {
 429                     var substring_start = parseInt(match[1]);
 430                     if(substring_start < 0) substring_start = match[3].length + substring_start;
 431                     var substring_length = parseInt(match[2]);
 432                     if(substring_length > 0)
 433                         s = s.replace(match[0], match[3].substring(substring_start, substring_start + substring_length));
 434                     else if(substring_length < 0)
 435                         s = s.replace(match[0], match[3].substring(substring_start + substring_length, substring_start));
 436                     else
 437                         s = s.replace(match[0], match[3].substring(substring_start));
 438                 }
 439             } catch(E) { dump(E+'\n'); }
 440
 441             // Cleanup unwanted whitespace
 442             try {
 443                 s = s.replace(/%TRIM-%\s*/g,'');
 444                 s = s.replace(/\s*%-TRIM%/g,'');
 445             } catch(E) { dump(E+'\n'); }
 446
 447             return s;
 448         } catch(E) {
 449             alert('Error in print.js, template_sub(): ' + E);
 450         }
 451     },
 452
 453
 454     'NSPrint' : function(w,silent,params) {
 455         if (!w) w = window;
 456         var obj = this;
 457         try {
 458             if (!params) params = {};
 459
 460             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 461             obj.data.init({'via':'stash'});
 462
 463             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 464
 465                 dump('params.print_strategy = ' + params.print_strategy
 466                     + ' || obj.data.print_strategy[' + obj.context + '] = ' + obj.data.print_strategy[obj.context]
 467                     + ' || obj.data.print_strategy[default] = ' + obj.data.print_strategy['default']
 468                     + ' => ' + ( params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default'] ) + '\n');
 469                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 470                     case 'dos.print':
 471                         params.dos_print = true;
 472                     case 'custom.print':
 473                         if (typeof w != 'string') {
 474                             try {
 475                                 var temp_w = params.msg || w.document.firstChild.innerHTML;
 476                                 if (!params.msg) { params.msg = temp_w; }
 477                                 if (typeof temp_w != 'string') { throw(temp_w); }
 478                                 w = obj.html2txt(temp_w);
 479                             } catch(E) {
 480                                 dump('util.print: Could not use w.document.firstChild.innerHTML with ' + w + ': ' + E + '\n');
 481                                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 482                                 w.getSelection().selectAllChildren(w.document.firstChild);
 483                                 w = w.getSelection().toString();
 484                             }
 485                         }
 486                         obj._NSPrint_custom_print(w,silent,params);
 487                     break;
 488                     case 'window.print':
 489                         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 490                         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 491                         var originalPrinter = false;
 492                         if (prefs.prefHasUserValue('print.print_printer')) {
 493                             // This is for restoring print.print_printer after any print dialog, so that when
 494                             // window.print gets used again, it uses the configured printer for the right context
 495                             // (which should only be default--window.print is a kludge and is in limited use),
 496                             // rather than the printer last used.
 497                             originalPrinter = prefs.getCharPref('print.print_printer');
 498                         }
 499                         if (typeof w == 'object') {
 500                             w.print();
 501                             if (originalPrinter) {
 502                                 prefs.setCharPref('print.print_printer',originalPrinter);
 503                             }
 504                         } else {
 505                             if (params.content_type == 'text/plain') {
 506                                 w = window.open('data:text/plain,'+escape(params.msg));
 507                             } else {
 508                                 w = window.open('data:text/html,'+escape(params.msg));
 509                             }
 510                             setTimeout(
 511                                 function() {
 512                                     w.print();
 513                                     if (originalPrinter) {
 514                                         prefs.setCharPref('print.print_printer',originalPrinter);
 515                                     }
 516                                     setTimeout(
 517                                         function() {
 518                                             w.close();
 519                                         }, 2000
 520                                     );
 521                                 }, 0
 522                             );
 523                         }
 524                     break;
 525                     case 'webBrowserPrint':
 526                     default:
 527                         if (typeof w == 'object') {
 528                             obj._NSPrint_webBrowserPrint(w,silent,params);
 529                         } else {
 530                             if (params.content_type == 'text/plain') {
 531                                 w = window.open('data:text/plain,'+escape(params.msg));
 532                             } else {
 533                                 w = window.open('data:text/html,'+escape(params.msg));
 534                             }
 535                             setTimeout(
 536                                 function() {
 537                                     obj._NSPrint_webBrowserPrint(w,silent,params);
 538                                     setTimeout(
 539                                         function() {
 540                                             w.close();
 541                                         }, 2000
 542                                     );
 543                                 }, 0
 544                             );
 545                         }
 546                     break;
 547                 }
 548
 549             } else {
 550                 //w.print();
 551                 obj._NSPrint_webBrowserPrint(w,silent,params);
 552             }
 553
 554         } catch (e) {
 555             alert('Probably not printing: ' + e);
 556             this.error.sdump('D_ERROR','PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 557         }
 558
 559     },
 560
 561     '_NSPrint_custom_print' : function(w,silent,params) {
 562         var obj = this;
 563         try {
 564
 565             var text = w;
 566             var html = params.msg || w;
 567
 568             var txt_file = new util.file('receipt.txt');
 569             txt_file.write_content('truncate',text);
 570             var text_path = '"' + txt_file._file.path + '"';
 571             txt_file.close();
 572
 573             var html_file = new util.file('receipt.html');
 574             html_file.write_content('truncate',html);
 575             var html_path = '"' + html_file._file.path + '"';
 576             html_file.close();
 577
 578             var cmd = params.dos_print ?
 579                 'copy ' + text_path + ' lpt1 /b\n'
 580                 : obj.oils_printer_external_cmd.replace('%receipt.txt%',text_path).replace('%receipt.html%',html_path)
 581             ;
 582
 583             file = new util.file('receipt.bat');
 584             file.write_content('truncate+exec',cmd);
 585             file.close();
 586             file = new util.file('receipt.bat');
 587
 588             dump('print exec: ' + cmd + '\n');
 589             var process = Components.classes["@mozilla.org/process/util;1"].createInstance(Components.interfaces.nsIProcess);
 590             process.init(file._file);
 591
 592             var args = [];
 593
 594             dump('process.run = ' + process.run(true, args, args.length) + '\n');
 595
 596             file.close();
 597
 598         } catch (e) {
 599             //alert('Probably not printing: ' + e);
 600             this.error.sdump('D_ERROR','_NSPrint_custom_print PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 601         }
 602     },
 603
 604     '_NSPrint_webBrowserPrint' : function(w,silent,params) {
 605         var obj = this;
 606         try {
 607             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 608             var webBrowserPrint = w
 609                 .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
 610                 .getInterface(Components.interfaces.nsIWebBrowserPrint);
 611             this.error.sdump('D_PRINT','webBrowserPrint = ' + webBrowserPrint);
 612             if (webBrowserPrint) {
 613                 var gPrintSettings = obj.GetPrintSettings();
 614                 if (silent) gPrintSettings.printSilent = true;
 615                 else gPrintSettings.printSilent = false;
 616                 if (params) {
 617                     if (params.marginLeft) gPrintSettings.marginLeft = params.marginLeft;
 618                 }
 619                 webBrowserPrint.print(gPrintSettings, null);
 620                 this.error.sdump('D_PRINT','Should be printing\n');
 621             } else {
 622                 this.error.sdump('D_ERROR','Should not be printing\n');
 623             }
 624         } catch (e) {
 625             //alert('Probably not printing: ' + e);
 626             // Pressing cancel is expressed as an NS_ERROR_ABORT return value,
 627             // causing an exception to be thrown which we catch here.
 628             // Unfortunately this will also consume helpful failures
 629             this.error.sdump('D_ERROR','_NSPrint_webBrowserPrint PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 630         }
 631     },
 632
 633     'GetPrintSettings' : function() {
 634         try {
 635             //alert('entering GetPrintSettings');
 636             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 637             var pref = Components.classes["@mozilla.org/preferences-service;1"]
 638                 .getService(Components.interfaces.nsIPrefBranch);
 639             //alert('pref = ' + pref);
 640             if (pref) {
 641                 this.gPrintSettingsAreGlobal = pref.getBoolPref("print.use_global_printsettings", false);
 642                 this.gSavePrintSettings = pref.getBoolPref("print.save_print_settings", false);
 643                 //alert('gPrintSettingsAreGlobal = ' + this.gPrintSettingsAreGlobal + '  gSavePrintSettings = ' + this.gSavePrintSettings);
 644             }
 645
 646             var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
 647                 .getService(Components.interfaces.nsIPrintSettingsService);
 648             if (this.gPrintSettingsAreGlobal) {
 649                 this.gPrintSettings = printService.globalPrintSettings;
 650                 //alert('called setPrinterDefaultsForSelectedPrinter');
 651                 this.setPrinterDefaultsForSelectedPrinter(printService);
 652             } else {
 653                 this.gPrintSettings = printService.newPrintSettings;
 654                 //alert('used printService.newPrintSettings');
 655             }
 656         } catch (e) {
 657             this.error.sdump('D_ERROR',"GetPrintSettings() "+e+"\n");
 658             //alert("GetPrintSettings() "+e+"\n");
 659         }
 660
 661         return this.gPrintSettings;
 662     },
 663
 664     'setPrinterDefaultsForSelectedPrinter' : function (aPrintService) {
 665         try {
 666             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 667             if (this.gPrintSettings.printerName == "") {
 668                 this.gPrintSettings.printerName = aPrintService.defaultPrinterName;
 669                 //alert('used .defaultPrinterName');
 670             }
 671             //alert('printerName = ' + this.gPrintSettings.printerName);
 672
 673             // First get any defaults from the printer
 674             aPrintService.initPrintSettingsFromPrinter(this.gPrintSettings.printerName, this.gPrintSettings);
 675
 676             // now augment them with any values from last time
 677             aPrintService.initPrintSettingsFromPrefs(this.gPrintSettings, true, this.gPrintSettings.kInitSaveAll);
 678
 679             // now augment from our own saved settings if they exist
 680             this.load_settings();
 681
 682         } catch(E) {
 683             this.error.sdump('D_ERROR',"setPrinterDefaultsForSelectedPrinter() "+E+"\n");
 684         }
 685     },
 686
 687     'page_settings' : function() {
 688         try {
 689             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 690             this.GetPrintSettings();
 691             var PO = Components.classes["@mozilla.org/gfx/printsettings-service;1"].getService(Components.interfaces.nsIPrintOptions);
 692             PO.ShowPrintSetupDialog(this.gPrintSettings);
 693         } catch(E) {
 694             this.error.standard_unexpected_error_alert("page_settings()",E);
 695         }
 696     },
 697
 698     'load_settings' : function() {
 699         try {
 700             var error_msg = '';
 701             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 702             var file = new util.file('gPrintSettings.' + this.context);
 703             if (file._file.exists()) {
 704                 temp = file.get_object(); file.close();
 705                 for (var i in temp) {
 706                     try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 707                 }
 708             }  else if (this.context != 'default') {
 709                 var file = new util.file('gPrintSettings.default');
 710                 if (file._file.exists()) {
 711                     temp = file.get_object(); file.close();
 712                     for (var i in temp) {
 713                         try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 714                     }
 715                 } else {
 716                     this.gPrintSettings.marginTop = 0;
 717                     this.gPrintSettings.marginLeft = 0;
 718                     this.gPrintSettings.marginBottom = 0;
 719                     this.gPrintSettings.marginRight = 0;
 720                     this.gPrintSettings.headerStrLeft = '';
 721                     this.gPrintSettings.headerStrCenter = '';
 722                     this.gPrintSettings.headerStrRight = '';
 723                     this.gPrintSettings.footerStrLeft = '';
 724                     this.gPrintSettings.footerStrCenter = '';
 725                     this.gPrintSettings.footerStrRight = '';
 726                 }
 727             }
 728             if (error_msg) {
 729                 this.error.sdump('D_PRINT',error_msg);
 730                 this.error.yns_alert(
 731                     document.getElementById('offlineStrings').getString('load_printer_settings_error_description'),
 732                     document.getElementById('offlineStrings').getString('load_printer_settings_error_title'),
 733                     document.getElementById('offlineStrings').getString('common.ok'),
 734                     null,
 735                     null,
 736                     null
 737                 );
 738             }
 739         } catch(E) {
 740             this.error.standard_unexpected_error_alert("load_settings()",E);
 741         }
 742     },
 743
 744     'save_settings' : function() {
 745         try {
 746             var obj = this;
 747             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 748             var file = new util.file('gPrintSettings.' + this.context);
 749             if (typeof obj.gPrintSettings == 'undefined') obj.GetPrintSettings();
 750             if (obj.gPrintSettings) file.set_object(obj.gPrintSettings);
 751             file.close();
 752             if (this.context == 'default') {
 753                 // print.print_printer gets used by bare window.print()'s.  We sometimes use window.print for the
 754                 // WebBrowserPrint strategy to workaround bugs with the NSPrint xpcom, and only in the default context.
 755                 var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 756                 prefs.setCharPref('print.print_printer',obj.gPrintSettings.printerName);
 757             }
 758         } catch(E) {
 759             this.error.standard_unexpected_error_alert("save_settings()",E);
 760         }
 761     }
 762 }
 763
 764 dump('exiting util/print.js\n');