Evergreen/staff_client/chrome/content/evergreen/util/print.js

   1 sdump('D_TRACE','Loading print.js\n');
   2
   3 var print_crlf = '<br />\r\n';
   4
   5 // Higher-level
   6
   7 function print_checkout_receipt(params) {
   8         sdump('D_PRINT',arg_dump(arguments));
   9
  10
  11 }
  12
  13 // Lower-level
  14
  15 function sPrint(s) {
  16         sdump('D_PRINT',arg_dump(arguments));
  17         var w = new_window('data:text/html,<html>' + s + '</html>\r\n', { 'window_name':'LastPrint' });
  18         w.minimize(); mw.minimize();
  19         this.focus();
  20         NSPrint(w);
  21         w.minimize(); mw.minimize();
  22         //w.close();
  23 }
  24
  25 function NSPrint(w)
  26 {
  27         sdump('D_PRINT',arg_dump(arguments));
  28         if (!w) { w = this; }
  29         try {
  30                 var webBrowserPrint = w
  31                         .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
  32                         .getInterface(Components.interfaces.nsIWebBrowserPrint);
  33                 if (webBrowserPrint) {
  34                         var gPrintSettings = GetPrintSettings();
  35                         gPrintSettings.printSilent = true;
  36                         gPrintSettings.marginTop = 0;
  37                         gPrintSettings.marginLeft = 0;
  38                         gPrintSettings.marginBottom = 0;
  39                         gPrintSettings.marginRight = 0;
  40                         gPrintSettings.headerStrLeft = '';
  41                         gPrintSettings.headerStrCenter = '';
  42                         gPrintSettings.headerStrRight = '';
  43                         gPrintSettings.footerStrLeft = '';
  44                         gPrintSettings.footerStrCenter = '';
  45                         gPrintSettings.footerStrRight = '';
  46                         webBrowserPrint.print(gPrintSettings, null);
  47                         //alert('Should be printing\n');
  48                 } else {
  49                         //alert('Should not be printing\n');
  50                 }
  51         } catch (e) {
  52                 //alert('Probably not printing: ' + e);
  53         // Pressing cancel is expressed as an NS_ERROR_ABORT return value,
  54         // causing an exception to be thrown which we catch here.
  55         // Unfortunately this will also consume helpful failures, so add a
  56                 sdump('D_PRINT','PRINT EXCEPTION: ' + js2JSON(e) + '\n'); // if you need to debug
  57         }
  58 }
  59
  60 var gPrintSettings = null;
  61
  62 function GetPrintSettings()
  63  {
  64         sdump('D_PRINT',arg_dump(arguments));
  65    try {
  66      if (gPrintSettings == null) {
  67        var pref = Components.classes["@mozilla.org/preferences-service;1"]
  68                             .getService(Components.interfaces.nsIPrefBranch);
  69        if (pref) {
  70          gPrintSettingsAreGlobal = pref.getBoolPref("print.use_global_printsettings", false);
  71          gSavePrintSettings = pref.getBoolPref("print.save_print_settings", false);
  72        }
  73
  74        var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
  75                                          .getService(Components.interfaces.nsIPrintSettingsService);
  76        if (gPrintSettingsAreGlobal) {
  77          gPrintSettings = printService.globalPrintSettings;
  78          setPrinterDefaultsForSelectedPrinter(printService);
  79        } else {
  80          gPrintSettings = printService.newPrintSettings;
  81        }
  82      }
  83    } catch (e) {
  84      sdump('D_PRINT',"GetPrintSettings() "+e+"\n");
  85      alert("GetPrintSettings() "+e+"\n");
  86    }
  87
  88    return gPrintSettings;
  89  }
  90
  91 function setPrinterDefaultsForSelectedPrinter(aPrintService)
  92  {
  93         sdump('D_PRINT',arg_dump(arguments));
  94    if (gPrintSettings.printerName == "") {
  95      gPrintSettings.printerName = aPrintService.defaultPrinterName;
  96    }
  97
  98    // First get any defaults from the printer
  99    aPrintService.initPrintSettingsFromPrinter(gPrintSettings.printerName, gPrintSettings);
 100
 101    // now augment them with any values from last time
 102    aPrintService.initPrintSettingsFromPrefs(gPrintSettings, true, gPrintSettings.kInitSaveAll);
 103  }
 104