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     JSAN.use('util.error'); this.error = new util.error();
   7     JSAN.use('OpenILS.data'); this.data = new OpenILS.data(); this.data.init( { 'via':'stash' } );
   8     JSAN.use('util.window'); this.win = new util.window();
   9     JSAN.use('util.functional');
  10     JSAN.use('util.file');
  11
  12     this.set_context(context, true);
  13
  14     try {
  15         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
  16
  17         if (prefs.prefHasUserValue('print.always_print_silent')) {
  18             if (! prefs.getBoolPref('print.always_print_silent')) {
  19                 prefs.clearUserPref('print.always_print_silent');
  20             }
  21         }
  22     } catch(E) {
  23         dump('Error in print.js trying to clear print.always_print_silent\n');
  24     }
  25
  26     return this;
  27 };
  28
  29 util.print.prototype = {
  30
  31     'set_context' : function(context, set_default) {
  32         this.context = context || 'default';
  33         if(set_default) this.default_context = this.context;
  34
  35         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
  36         var key = 'oils.printer.external.cmd.' + this.context;
  37         var has_key = prefs.prefHasUserValue(key);
  38         if(!has_key && this.context != 'default') {
  39             key = 'oils.printer.external.cmd.default';
  40             has_key = prefs.prefHasUserValue(key);
  41         }
  42         this.oils_printer_external_cmd = has_key ? prefs.getCharPref(key) : '';
  43     },
  44
  45     'reprint_last' : function() {
  46         try {
  47             var obj = this; obj.data.init({'via':'stash'});
  48             if (!obj.data.last_print) {
  49                 alert(
  50                     document.getElementById('offlineStrings').getString('printing.nothing_to_reprint')
  51                 );
  52                 return;
  53             }
  54             if(obj.data.last_print.context) this.set_context(obj.data.last_print.context);
  55             var msg = obj.data.last_print.msg;
  56             var params = obj.data.last_print.params; params.no_prompt = false;
  57             obj.simple( msg, params );
  58         } catch(E) {
  59             this.error.standard_unexpected_error_alert('util.print.reprint_last',E);
  60         }
  61         if(this.context != this.default_context) this.set_context(this.default_context);
  62     },
  63
  64     'html2txt' : function(html) {
  65         JSAN.use('util.text');
  66         //dump('html2txt, before:\n' + html + '\n');
  67         var lines = html.split(/\n/);
  68         var new_lines = [];
  69         for (var i = 0; i < lines.length; i++) {
  70             var line = lines[i];
  71             if (line) {
  72                 // This undoes the util.text.preserve_string_in_html call that spine_label.js does
  73                 line = util.text.reverse_preserve_string_in_html(line);
  74                 // This looks for @hex attributes containing 2-digit hex codes, and converts them into real characters
  75                 line = line.replace(/(<.+?)hex=['"](.+?)['"](.*?>)/gi, function(str,p1,p2,p3,offset,s) {
  76                     var raw_chars = '';
  77                     var hex_chars = p2.match(/[0-9,a-f,A-F][0-9,a-f,A-F]/g);
  78                     for (var j = 0; j < hex_chars.length; j++) {
  79                         raw_chars += String.fromCharCode( parseInt(hex_chars[j],16) );
  80                     }
  81                     return p1 + p3 + raw_chars;
  82                 });
  83                 line = line.replace(/<head.*?>.*?<\/head>/gi, '');
  84                 line = line.replace(/<br.*?>/gi,'\r\n');
  85                 line = line.replace(/<table.*?>/gi,'');
  86                 line = line.replace(/<tr.*?>/gi,'');
  87                 line = line.replace(/<hr.*?>/gi,'\r\n');
  88                 line = line.replace(/<p.*?>/gi,'');
  89                 line = line.replace(/<block.*?>/gi,'');
  90                 line = line.replace(/<li.*?>/gi,' * ');
  91                 line = line.replace(/<.+?>/gi,'');
  92                 line = line.replace(/&lt;/gi,'<');
  93                 line = line.replace(/&gt;/gi,'>');
  94                 line = line.replace(/&amp;/gi,'&');
  95                 if (line) { new_lines.push(line); }
  96             } else {
  97                 new_lines.push(line);
  98             }
  99         }
 100         var new_html = new_lines.join('\n');
 101         //dump('html2txt, after:\n' + new_html + '\nhtml2txt, done.\n');
 102         return new_html;
 103     },
 104
 105     'escape_html' : function(data) {
 106         if (typeof data == 'object') { return ''; }
 107         if (typeof data != 'string') { return data; }
 108         return data.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 109     },
 110
 111     'simple' : function(msg,params) {
 112         try {
 113             if (!params) params = {};
 114             params.msg = msg;
 115
 116             var obj = this;
 117
 118             obj.data.last_print = { 'msg' : msg, 'params' : params, 'context' : this.context};
 119             obj.data.stash('last_print');
 120
 121             var silent = false;
 122             if ( params && params.no_prompt && (params.no_prompt == true || params.no_prompt == 'true') ) {
 123                 silent = true;
 124             }
 125
 126             var content_type;
 127             if (params && params.content_type) {
 128                 content_type = params.content_type;
 129             } else {
 130                 content_type = 'text/html';
 131             }
 132
 133             var w;
 134
 135             obj.data.init({'via':'stash'});
 136
 137             if (typeof obj.data.print_strategy == 'undefined') {
 138                 obj.data.print_strategy = {};
 139                 obj.data.stash('print_strategy');
 140             }
 141
 142             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 143
 144                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 145                     case 'dos.print':
 146                         params.dos_print = true;
 147                     case 'custom.print':
 148                         /* FIXME - this it a kludge.. we're going to sidestep window-based html rendering for printing */
 149                         /* I'm using regexps to mangle the html receipt templates; it'd be nice to use xsl but the */
 150                         /* templates aren't guaranteed to be valid xml.  The unadulterated msg is still preserved in */
 151                         /* params */
 152                         if (content_type=='text/html') {
 153                             w = obj.html2txt(msg);
 154                         } else {
 155                             w = msg;
 156                         }
 157                         if (! params.no_form_feed) { w = w + '\f'; }
 158                         obj.NSPrint(w, silent, params);
 159                         return;
 160                     break;
 161                 }
 162             }
 163
 164             switch(content_type) {
 165                 case 'text/html' :
 166                     if(!params.type) {
 167                         params.type = '';
 168                     }
 169                     var my_prefix = '/xul/server/';
 170                     if(window.location.protocol == "chrome:") {
 171                         // Likely in offline interface
 172                         my_prefix = 'chrome://open_ils_staff_client/content/';
 173                     } else {
 174                         if(xulG && xulG.url_prefix) {
 175                             my_prefix = xulG.url_prefix(my_prefix);
 176                         }
 177                     }
 178                     var print_url = '<html id="top"><head>'
 179                         + '<script src="' + my_prefix + 'util/print_win.js"></script>'
 180                         + '<script src="' + my_prefix + 'util/print_custom.js"></script>';
 181                     if(this.data.hash.aous['print.custom_js_file']) {
 182                         print_url += '<script src="' + this.data.hash.aous['print.custom_js_file'] + '"></script>';
 183                     }
 184                     print_url += '</head><body onload="try{print_init(\'' + params.type + '\');}catch(E){alert(E);}">' + msg.replace(/<script[^>]*>.*?<\/script>/gi,'') + '</body></html>';
 185                     print_url = 'data:text/html;charset=utf-8,' + encodeURIComponent(print_url);
 186                     obj.win.openDialog(print_url,'receipt_temp','chrome,resizable,modal', { "data" : params.data, "list" : params.list}, function(w) {
 187                         try {
 188                             obj.NSPrint(w, silent, params);
 189                         } catch(E) {
 190                             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);
 191                             w.print();
 192                         }
 193                         w.close();
 194                     });
 195                 break;
 196                 default:
 197                     w = obj.win.open('data:' + content_type + ',' + window.escape(msg),'receipt_temp','chrome,resizable');
 198                     w.minimize();
 199                     setTimeout(
 200                         function() {
 201                             try {
 202                                 obj.NSPrint(w, silent, params);
 203                             } catch(E) {
 204                                 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);
 205                                 w.print();
 206                             }
 207                             w.minimize(); w.close();
 208                         }, 1000
 209                     );
 210                 break;
 211             }
 212
 213         } catch(E) {
 214             this.error.standard_unexpected_error_alert('util.print.simple',E);
 215         }
 216     },
 217
 218     'tree_list' : function (params) {
 219         try {
 220             dump('print.tree_list.params.list = \n' + this.error.pretty_print(js2JSON(params.list)) + '\n');
 221             dump('print.tree_list.params.data = \n' + this.error.pretty_print(js2JSON(params.data)) + '\n');
 222         } catch(E) {
 223             dump(E+'\n');
 224         }
 225         var cols = [];
 226         var s = '';
 227         if (params.context) this.set_context(params.context);
 228         if (params.header) s += this.template_sub( params.header, cols, params );
 229         if (params.list) {
 230             // Pre-templating sort
 231             // %SORT(field[ AS type][ ASC|DESC][,...])%
 232             var sort_blocks = params.line_item.match(/%SORT\([^)]+\)%/g);
 233             if(sort_blocks) {
 234                 for(var i = 0; i < sort_blocks.length; i++) {
 235                     sort_blocks[i] = sort_blocks[i].substring(6,sort_blocks[i].length-2);
 236                 }
 237                 sort_blocks = sort_blocks.join(',').split(/\s*,\s*/); // Supports %SORT(a,b)% and %SORT(a)% %SORT(b)% methods
 238                 for(var i = 0; i < sort_blocks.length; i++) {
 239                     sort_blocks[i] = sort_blocks[i].match(/([^ ]+)(?:\s+AS\s+([^ ]+))?(?:\s+(ASC|DESC))?/);
 240                     sort_blocks[i].shift(); // Removes the "full match" entry
 241                 }
 242
 243                 function sorter(a, b) {
 244                     var return_val = 0;
 245                     for(var i = 0; i < sort_blocks.length && return_val == 0; i++) {
 246                         var sort = sort_blocks[i];
 247                         var a_test = a[sort[0]];
 248                         var b_test = b[sort[0]];
 249                         sort[1] = sort[1] || '';
 250                         sort[2] = sort[2] || 'ASC';
 251                         switch(sort[1].toUpperCase()) {
 252                             case 'DATE':
 253                                 a_test = new Date(a_test);
 254                                 b_test = new Date(b_test);
 255                                 break;
 256                             case 'INT':
 257                                 a_test = parseInt(a_test);
 258                                 b_test = parseInt(b_test);
 259                                 break;
 260                             case 'FLOAT':
 261                             case 'NUMBER':
 262                                 a_test = parseFloat(a_test);
 263                                 b_test = parseFloat(b_test);
 264                                 break;
 265                             case 'LOWER':
 266                                 a_test = a_test.toLowerCase();
 267                                 b_test = b_test.toLowerCase();
 268                                 break;
 269                             case 'UPPER':
 270                                 a_test = a_test.toUpperCase();
 271                                 b_test = b_test.toUpperCase();
 272                                 break;
 273                         }
 274                         if(a_test > b_test) return_val = 1;
 275                         if(a_test < b_test) return_val = -1;
 276                         if(sort[2] == 'DESC') return_val *= -1;
 277                     }
 278                     return return_val;
 279                 }
 280                 params.list.sort(sorter);
 281                 params.line_item = params.line_item.replace(/%SORT\([^)]*\)%/g,'');
 282             }
 283
 284             for (var i = 0; i < params.list.length; i++) {
 285                 params.row = params.list[i];
 286                 params.row_idx = i;
 287                 s += this.template_sub( params.line_item, cols, params );
 288             }
 289         }
 290         if (params.footer) s += this.template_sub( params.footer, cols, params );
 291
 292         // Sanity check, no javascript in templates
 293         // Note: [\s\S] is a workaround for . not including newlines.
 294         s=s.replace(/<script[^>]*>[\s\S]*?<\/script[^>]*>/gi,'')
 295         s=s.replace(/onload\s*=\s*"[^"]*"/gi,'');
 296         s=s.replace(/onload\s*=\s*'[^']*'/gi,'');
 297
 298         if (params.sample_frame) {
 299             var jsrc = 'data:text/javascript,' + encodeURIComponent('var params = { "data" : ' + js2JSON(params.data) + ', "list" : ' + js2JSON(params.list) + '};');
 300             params.sample_frame.setAttribute('src','data:text/html;charset=utf-8,' + encodeURIComponent('<html id="top"><head><script src="' + jsrc + '"></script></head><body>' + s + '</body></html>'));
 301         } else {
 302             this.simple(s,params);
 303         }
 304         if(this.context != this.default_context) this.set_context(this.default_context);
 305     },
 306
 307     'template_sub' : function( msg, cols, params ) {
 308         try {
 309             var obj = this;
 310             if (!msg) { dump('template sub called with empty string\n'); return; }
 311             JSAN.use('util.date');
 312             var s = msg; var b;
 313
 314             // Includes
 315             // Note that we keep track of already included settings
 316             // This ensures that we don't infinite loop through includes
 317             try {
 318                 var match;
 319                 var include_patt=/%INCLUDE\(\s*([^)]*?)\s*\)%/;
 320                 var included = {};
 321                 while(match = include_patt.exec(s)) {
 322                     if(match[1] == '' || included[match[1]]) {
 323                         s = s.replace(match[0], '');
 324                     } else {
 325                         included[match[1]] = true;
 326                         s = s.replace(new RegExp("%INCLUDE\\(\\s*" + match[1].replace(/([.?*+^$[\]\\(){}-])/g, "\\$1") + "\\s*\\)%","g"), obj.data.hash.aous['circ.staff_client.receipt.' + match[1]] || '');
 327                     }
 328                 }
 329             } catch(E) { dump(E+'\n'); }
 330
 331             try{b = s; s = s.replace(/%LINE_NO%/g,Number(params.row_idx)+1);}
 332                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 333
 334             try{b = s; s = s.replace(/%patron_barcode%/g,this.escape_html(params.patron_barcode));}
 335                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 336
 337             try{b = s; s = s.replace(/%LIBRARY%/g,this.escape_html(params.lib.name()));}
 338                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 339             try{b = s; s = s.replace(/%PINES_CODE%/g,this.escape_html(params.lib.shortname()));}
 340                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 341             try{b = s; s = s.replace(/%SHORTNAME%/g,this.escape_html(params.lib.shortname()));}
 342                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 343             try{b = s; s = s.replace(/%STAFF_FIRSTNAME%/g,this.escape_html(params.staff.first_given_name()));}
 344                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 345             try{b = s; s = s.replace(/%STAFF_LASTNAME%/g,this.escape_html(params.staff.family_name()));}
 346                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 347             try{b = s; s = s.replace(/%STAFF_BARCODE%/g,this.escape_html(params.staff.barcode)); }
 348                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 349             try{b = s; s = s.replace(/%STAFF_PROFILE%/g,this.escape_html(obj.data.hash.pgt[ params.staff.profile() ].name() )); }
 350                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 351             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()));}
 352                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 353             try{b = s; s = s.replace(/%PATRON_ALIAS%/g,this.escape_html((params.patron.alias() == '' || params.patron.alias() == null) ? '' : params.patron.alias()));}
 354                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 355             try{b = s; s = s.replace(/%PATRON_FIRSTNAME%/g,this.escape_html(params.patron.first_given_name()));}
 356                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 357             try{b = s; s = s.replace(/%PATRON_LASTNAME%/g,this.escape_html(params.patron.family_name()));}
 358                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 359             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() )) ;}
 360                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 361
 362             try{b = s; s=s.replace(/%TODAY%/g,(new Date()));}
 363                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 364             try{b = s; s=s.replace(/%TODAY_m%/g,(util.date.formatted_date(new Date(),'%m')));}
 365                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 366             try{b = s; s=s.replace(/%TODAY_TRIM%/g,(util.date.formatted_date(new Date(),'')));}
 367                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 368             try{b = s; s=s.replace(/%TODAY_d%/g,(util.date.formatted_date(new Date(),'%d')));}
 369                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 370             try{b = s; s=s.replace(/%TODAY_Y%/g,(util.date.formatted_date(new Date(),'%Y')));}
 371                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 372             try{b = s; s=s.replace(/%TODAY_H%/g,(util.date.formatted_date(new Date(),'%H')));}
 373                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 374             try{b = s; s=s.replace(/%TODAY_I%/g,(util.date.formatted_date(new Date(),'%I')));}
 375                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 376             try{b = s; s=s.replace(/%TODAY_M%/g,(util.date.formatted_date(new Date(),'%M')));}
 377                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 378             try{b = s; s=s.replace(/%TODAY_D%/g,(util.date.formatted_date(new Date(),'%D')));}
 379                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 380             try{b = s; s=s.replace(/%TODAY_F%/g,(util.date.formatted_date(new Date(),'%F')));}
 381                 catch(E){s = b; this.error.sdump('D_WARN','string = <' + s + '> error = ' + js2JSON(E)+'\n');}
 382
 383             try {
 384                 if (typeof params.row != 'undefined') {
 385                     if (params.row.length >= 0) {
 386                         alert('debug - please tell the developers that deprecated template code tried to execute');
 387                         for (var i = 0; i < cols.length; i++) {
 388                             var re = new RegExp(cols[i],"g");
 389                             try{b = s; s=s.replace(re, this.escape_html(params.row[i]));}
 390                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 1 string = <' + s + '>',E);}
 391                         }
 392                     } else {
 393                         /* for dump_with_keys */
 394                         for (var i in params.row) {
 395                             var re = new RegExp('%'+i+'%',"g");
 396                             try{b = s; s=s.replace(re, this.escape_html(params.row[i].toString()));}
 397                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 2 string = <' + s + '>',E);}
 398                         }
 399                     }
 400                 }
 401
 402                 if (typeof params.data != 'undefined') {
 403                     for (var i in params.data) {
 404                         var re = new RegExp('%'+i+'%',"g");
 405                         if (typeof params.data[i] == 'string' || typeof params.data[i] == 'number') {
 406                             try{b = s; s=s.replace(re, this.escape_html(params.data[i]));}
 407                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 3 string = <' + s + '>',E);}
 408                         } else {
 409                             /* likely a null, print as an empty string */
 410                             try{b = s; s=s.replace(re, '');}
 411                                 catch(E){s = b; this.error.standard_unexpected_error_alert('print.js, template_sub(): 3 string = <' + s + '>',E);}
 412                         }
 413                     }
 414                 }
 415             } catch(E) { dump(E+'\n'); }
 416
 417             // Date Format
 418             try {
 419                 var match;
 420                 var date_format_patt=/%DATE_FORMAT\(\s*([^,]*?)\s*,\s*([^)]*?)\s*\)%/;
 421                 while(match = date_format_patt.exec(s)) {
 422                     if(match[1] == '' || match[2] == '')
 423                         s = s.replace(match[0], '');
 424                     else
 425                         s = s.replace(match[0], util.date.formatted_date(match[1], match[2]));
 426                 }
 427             } catch(E) { dump(E+'\n'); }
 428
 429             // Substrings
 430             try {
 431                 var match;
 432                 // Pre-trim inside of substrings, and only inside of them
 433                 // This keeps the trim commands from being truncated
 434                 var substr_trim_patt=/(%SUBSTR\(-?\d+,?\s*(-?\d+)?\)%.*?)(\s*%-TRIM%|%TRIM-%\s*)(.*?%SUBSTR_END%)/;
 435                 while(match = substr_trim_patt.exec(s))
 436                     s = s.replace(match[0], match[1] + match[4]);
 437                 // Then do the substrings themselves
 438                 var substr_patt=/%SUBSTR\((-?\d+),?\s*(-?\d+)?\)%(.*?)%SUBSTR_END%/;
 439                 while(match = substr_patt.exec(s)) {
 440                     var substring_start = parseInt(match[1]);
 441                     if(substring_start < 0) substring_start = match[3].length + substring_start;
 442                     var substring_length = parseInt(match[2]);
 443                     if(substring_length > 0)
 444                         s = s.replace(match[0], match[3].substring(substring_start, substring_start + substring_length));
 445                     else if(substring_length < 0)
 446                         s = s.replace(match[0], match[3].substring(substring_start + substring_length, substring_start));
 447                     else
 448                         s = s.replace(match[0], match[3].substring(substring_start));
 449                 }
 450             } catch(E) { dump(E+'\n'); }
 451
 452             // Cleanup unwanted whitespace
 453             try {
 454                 s = s.replace(/%TRIM-%\s*/g,'');
 455                 s = s.replace(/\s*%-TRIM%/g,'');
 456             } catch(E) { dump(E+'\n'); }
 457
 458             return s;
 459         } catch(E) {
 460             alert('Error in print.js, template_sub(): ' + E);
 461         }
 462     },
 463
 464
 465     'NSPrint' : function(w,silent,params) {
 466         if (!w) w = window;
 467         var obj = this;
 468         try {
 469             if (!params) params = {};
 470
 471             obj.data.init({'via':'stash'});
 472
 473             if (params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 474
 475                 dump('params.print_strategy = ' + params.print_strategy
 476                     + ' || obj.data.print_strategy[' + obj.context + '] = ' + obj.data.print_strategy[obj.context]
 477                     + ' || obj.data.print_strategy[default] = ' + obj.data.print_strategy['default']
 478                     + ' => ' + ( params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default'] ) + '\n');
 479                 switch(params.print_strategy || obj.data.print_strategy[obj.context] || obj.data.print_strategy['default']) {
 480                     case 'dos.print':
 481                         params.dos_print = true;
 482                     case 'custom.print':
 483                         if (typeof w != 'string') {
 484                             try {
 485                                 var temp_w = params.msg || w.document.firstChild.innerHTML;
 486                                 if (!params.msg) { params.msg = temp_w; }
 487                                 if (typeof temp_w != 'string') { throw(temp_w); }
 488                                 w = obj.html2txt(temp_w);
 489                             } catch(E) {
 490                                 dump('util.print: Could not use w.document.firstChild.innerHTML with ' + w + ': ' + E + '\n');
 491                                 w.getSelection().selectAllChildren(w.document.firstChild);
 492                                 w = w.getSelection().toString();
 493                             }
 494                         }
 495                         obj._NSPrint_custom_print(w,silent,params);
 496                     break;
 497                     case 'window.print':
 498                         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 499                         var originalPrinter = false;
 500                         if (prefs.prefHasUserValue('print.print_printer')) {
 501                             // This is for restoring print.print_printer after any print dialog, so that when
 502                             // window.print gets used again, it uses the configured printer for the right context
 503                             // (which should only be default--window.print is a kludge and is in limited use),
 504                             // rather than the printer last used.
 505                             originalPrinter = prefs.getCharPref('print.print_printer');
 506                         }
 507                         if (typeof w == 'object') {
 508                             w.print();
 509                             if (originalPrinter) {
 510                                 prefs.setCharPref('print.print_printer',originalPrinter);
 511                             }
 512                         } else {
 513                             if (params.content_type == 'text/plain') {
 514                                 w = window.open('data:text/plain,'+escape(params.msg),'','chrome');
 515                             } else {
 516                                 w = window.open('data:text/html,'+escape(params.msg),'','chrome');
 517                             }
 518                             setTimeout(
 519                                 function() {
 520                                     w.print();
 521                                     if (originalPrinter) {
 522                                         prefs.setCharPref('print.print_printer',originalPrinter);
 523                                     }
 524                                     setTimeout(
 525                                         function() {
 526                                             w.close();
 527                                         }, 2000
 528                                     );
 529                                 }, 0
 530                             );
 531                         }
 532                     break;
 533                     case 'webBrowserPrint':
 534                     default:
 535                         if (typeof w == 'object') {
 536                             obj._NSPrint_webBrowserPrint(w,silent,params);
 537                         } else {
 538                             if (params.content_type == 'text/plain') {
 539                                 w = window.open('data:text/plain,'+escape(params.msg),'','chrome');
 540                             } else {
 541                                 w = window.open('data:text/html,'+escape(params.msg),'','chrome');
 542                             }
 543                             setTimeout(
 544                                 function() {
 545                                     obj._NSPrint_webBrowserPrint(w,silent,params);
 546                                     setTimeout(
 547                                         function() {
 548                                             w.close();
 549                                         }, 2000
 550                                     );
 551                                 }, 0
 552                             );
 553                         }
 554                     break;
 555                 }
 556
 557             } else {
 558                 //w.print();
 559                 obj._NSPrint_webBrowserPrint(w,silent,params);
 560             }
 561
 562         } catch (e) {
 563             alert('Probably not printing: ' + e);
 564             this.error.sdump('D_ERROR','PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 565         }
 566
 567     },
 568
 569     '_NSPrint_custom_print' : function(w,silent,params) {
 570         var obj = this;
 571         try {
 572
 573             var text = w;
 574             var html = params.msg || w;
 575
 576             var txt_file = new util.file('receipt.txt');
 577             txt_file.write_content('truncate',text);
 578             var text_path = '"' + txt_file._file.path + '"';
 579             txt_file.close();
 580
 581             var html_file = new util.file('receipt.html');
 582             html_file.write_content('truncate',html);
 583             var html_path = '"' + html_file._file.path + '"';
 584             html_file.close();
 585
 586             var cmd = params.dos_print ?
 587                 'copy ' + text_path + ' lpt1 /b\n'
 588                 : obj.oils_printer_external_cmd.replace('%receipt.txt%',text_path).replace('%receipt.html%',html_path)
 589             ;
 590
 591             file = new util.file('receipt.bat');
 592             file.write_content('truncate+exec',cmd);
 593             file.close();
 594             file = new util.file('receipt.bat');
 595
 596             dump('print exec: ' + cmd + '\n');
 597             var process = Components.classes["@mozilla.org/process/util;1"].createInstance(Components.interfaces.nsIProcess);
 598             process.init(file._file);
 599
 600             var args = [];
 601
 602             dump('process.run = ' + process.run(true, args, args.length) + '\n');
 603
 604             file.close();
 605
 606         } catch (e) {
 607             //alert('Probably not printing: ' + e);
 608             this.error.sdump('D_ERROR','_NSPrint_custom_print PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 609         }
 610     },
 611
 612     '_NSPrint_webBrowserPrint' : function(w,silent,params) {
 613         var obj = this;
 614         try {
 615             var webBrowserPrint = w
 616                 .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
 617                 .getInterface(Components.interfaces.nsIWebBrowserPrint);
 618             this.error.sdump('D_PRINT','webBrowserPrint = ' + webBrowserPrint);
 619             if (webBrowserPrint) {
 620                 var gPrintSettings = obj.GetPrintSettings();
 621                 if (silent) gPrintSettings.printSilent = true;
 622                 else gPrintSettings.printSilent = false;
 623                 if (params) {
 624                     if (params.marginLeft) gPrintSettings.marginLeft = params.marginLeft;
 625                 }
 626                 webBrowserPrint.print(gPrintSettings, null);
 627                 this.error.sdump('D_PRINT','Should be printing\n');
 628             } else {
 629                 this.error.sdump('D_ERROR','Should not be printing\n');
 630             }
 631         } catch (e) {
 632             //alert('Probably not printing: ' + e);
 633             // Pressing cancel is expressed as an NS_ERROR_ABORT return value,
 634             // causing an exception to be thrown which we catch here.
 635             // Unfortunately this will also consume helpful failures
 636             this.error.sdump('D_ERROR','_NSPrint_webBrowserPrint PRINT EXCEPTION: ' + js2JSON(e) + '\n');
 637         }
 638     },
 639
 640     'GetPrintSettings' : function() {
 641         try {
 642             //alert('entering GetPrintSettings');
 643             var pref = Components.classes["@mozilla.org/preferences-service;1"]
 644                 .getService(Components.interfaces.nsIPrefBranch);
 645             //alert('pref = ' + pref);
 646             if (pref) {
 647                 this.gPrintSettingsAreGlobal = pref.getBoolPref("print.use_global_printsettings", false);
 648                 this.gSavePrintSettings = pref.getBoolPref("print.save_print_settings", false);
 649                 //alert('gPrintSettingsAreGlobal = ' + this.gPrintSettingsAreGlobal + '  gSavePrintSettings = ' + this.gSavePrintSettings);
 650             }
 651
 652             var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
 653                 .getService(Components.interfaces.nsIPrintSettingsService);
 654             if (this.gPrintSettingsAreGlobal) {
 655                 this.gPrintSettings = printService.globalPrintSettings;
 656                 //alert('called setPrinterDefaultsForSelectedPrinter');
 657                 this.setPrinterDefaultsForSelectedPrinter(printService);
 658             } else {
 659                 this.gPrintSettings = printService.newPrintSettings;
 660                 //alert('used printService.newPrintSettings');
 661             }
 662         } catch (e) {
 663             this.error.sdump('D_ERROR',"GetPrintSettings() "+e+"\n");
 664             //alert("GetPrintSettings() "+e+"\n");
 665         }
 666
 667         return this.gPrintSettings;
 668     },
 669
 670     'setPrinterDefaultsForSelectedPrinter' : function (aPrintService) {
 671         try {
 672             if (this.gPrintSettings.printerName == "") {
 673                 this.gPrintSettings.printerName = aPrintService.defaultPrinterName;
 674                 //alert('used .defaultPrinterName');
 675             }
 676             //alert('printerName = ' + this.gPrintSettings.printerName);
 677
 678             // First get any defaults from the printer
 679             aPrintService.initPrintSettingsFromPrinter(this.gPrintSettings.printerName, this.gPrintSettings);
 680
 681             // now augment them with any values from last time
 682             aPrintService.initPrintSettingsFromPrefs(this.gPrintSettings, true, this.gPrintSettings.kInitSaveAll);
 683
 684             // now augment from our own saved settings if they exist
 685             this.load_settings();
 686
 687         } catch(E) {
 688             this.error.sdump('D_ERROR',"setPrinterDefaultsForSelectedPrinter() "+E+"\n");
 689         }
 690     },
 691
 692     'page_settings' : function() {
 693         try {
 694             this.GetPrintSettings();
 695             var PO = Components.classes["@mozilla.org/gfx/printsettings-service;1"].getService(Components.interfaces.nsIPrintOptions);
 696             PO.ShowPrintSetupDialog(this.gPrintSettings);
 697         } catch(E) {
 698             this.error.standard_unexpected_error_alert("page_settings()",E);
 699         }
 700     },
 701
 702     'load_settings' : function() {
 703         try {
 704             var error_msg = '';
 705             var file = new util.file('gPrintSettings.' + this.context);
 706             if (file._file.exists()) {
 707                 temp = file.get_object(); file.close();
 708                 for (var i in temp) {
 709                     try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 710                 }
 711             }  else if (this.context != 'default') {
 712                 var file = new util.file('gPrintSettings.default');
 713                 if (file._file.exists()) {
 714                     temp = file.get_object(); file.close();
 715                     for (var i in temp) {
 716                         try { this.gPrintSettings[i] = temp[i]; } catch(E) { error_msg += 'Error trying to set gPrintSettings.'+i+'='+temp[i]+' : ' + js2JSON(E) + '\n'; }
 717                     }
 718                 } else {
 719                     this.gPrintSettings.marginTop = 0;
 720                     this.gPrintSettings.marginLeft = 0;
 721                     this.gPrintSettings.marginBottom = 0;
 722                     this.gPrintSettings.marginRight = 0;
 723                     this.gPrintSettings.headerStrLeft = '';
 724                     this.gPrintSettings.headerStrCenter = '';
 725                     this.gPrintSettings.headerStrRight = '';
 726                     this.gPrintSettings.footerStrLeft = '';
 727                     this.gPrintSettings.footerStrCenter = '';
 728                     this.gPrintSettings.footerStrRight = '';
 729                 }
 730             }
 731             if (error_msg) {
 732                 this.error.sdump('D_PRINT',error_msg);
 733                 this.error.yns_alert(
 734                     document.getElementById('offlineStrings').getString('load_printer_settings_error_description'),
 735                     document.getElementById('offlineStrings').getString('load_printer_settings_error_title'),
 736                     document.getElementById('offlineStrings').getString('common.ok'),
 737                     null,
 738                     null,
 739                     null
 740                 );
 741             }
 742         } catch(E) {
 743             this.error.standard_unexpected_error_alert("load_settings()",E);
 744         }
 745     },
 746
 747     'save_settings' : function() {
 748         try {
 749             var obj = this;
 750             var file = new util.file('gPrintSettings.' + this.context);
 751             if (typeof obj.gPrintSettings == 'undefined') obj.GetPrintSettings();
 752             if (obj.gPrintSettings) file.set_object(obj.gPrintSettings);
 753             file.close();
 754             if (this.context == 'default') {
 755                 // print.print_printer gets used by bare window.print()'s.  We sometimes use window.print for the
 756                 // WebBrowserPrint strategy to workaround bugs with the NSPrint xpcom, and only in the default context.
 757                 var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces['nsIPrefBranch']);
 758                 prefs.setCharPref('print.print_printer',obj.gPrintSettings.printerName);
 759             }
 760         } catch(E) {
 761             this.error.standard_unexpected_error_alert("save_settings()",E);
 762         }
 763     }
 764 }
 765
 766 dump('exiting util/print.js\n');