aleph1.co.uk Git - yaffs-website/blob - node_modules/phantomjs-prebuilt/lib/phantom/examples/printheaderfooter.js

   1 "use strict";
   2 var page = require('webpage').create(),
   3     system = require('system');
   4
   5 function someCallback(pageNum, numPages) {
   6     return "<h1> someCallback: " + pageNum + " / " + numPages + "</h1>";
   7 }
   8
   9 if (system.args.length < 3) {
  10     console.log('Usage: printheaderfooter.js URL filename');
  11     phantom.exit(1);
  12 } else {
  13     var address = system.args[1];
  14     var output = system.args[2];
  15     page.viewportSize = { width: 600, height: 600 };
  16     page.paperSize = {
  17         format: 'A4',
  18         margin: "1cm",
  19         /* default header/footer for pages that don't have custom overwrites (see below) */
  20         header: {
  21             height: "1cm",
  22             contents: phantom.callback(function(pageNum, numPages) {
  23                 if (pageNum == 1) {
  24                     return "";
  25                 }
  26                 return "<h1>Header <span style='float:right'>" + pageNum + " / " + numPages + "</span></h1>";
  27             })
  28         },
  29         footer: {
  30             height: "1cm",
  31             contents: phantom.callback(function(pageNum, numPages) {
  32                 if (pageNum == numPages) {
  33                     return "";
  34                 }
  35                 return "<h1>Footer <span style='float:right'>" + pageNum + " / " + numPages + "</span></h1>";
  36             })
  37         }
  38     };
  39     page.open(address, function (status) {
  40         if (status !== 'success') {
  41             console.log('Unable to load the address!');
  42         } else {
  43             /* check whether the loaded page overwrites the header/footer setting,
  44                i.e. whether a PhantomJSPriting object exists. Use that then instead
  45                of our defaults above.
  46
  47                example:
  48                <html>
  49                  <head>
  50                    <script type="text/javascript">
  51                      var PhantomJSPrinting = {
  52                         header: {
  53                             height: "1cm",
  54                             contents: function(pageNum, numPages) { return pageNum + "/" + numPages; }
  55                         },
  56                         footer: {
  57                             height: "1cm",
  58                             contents: function(pageNum, numPages) { return pageNum + "/" + numPages; }
  59                         }
  60                      };
  61                    </script>
  62                  </head>
  63                  <body><h1>asdfadsf</h1><p>asdfadsfycvx</p></body>
  64               </html>
  65             */
  66             if (page.evaluate(function(){return typeof PhantomJSPrinting == "object";})) {
  67                 paperSize = page.paperSize;
  68                 paperSize.header.height = page.evaluate(function() {
  69                     return PhantomJSPrinting.header.height;
  70                 });
  71                 paperSize.header.contents = phantom.callback(function(pageNum, numPages) {
  72                     return page.evaluate(function(pageNum, numPages){return PhantomJSPrinting.header.contents(pageNum, numPages);}, pageNum, numPages);
  73                 });
  74                 paperSize.footer.height = page.evaluate(function() {
  75                     return PhantomJSPrinting.footer.height;
  76                 });
  77                 paperSize.footer.contents = phantom.callback(function(pageNum, numPages) {
  78                     return page.evaluate(function(pageNum, numPages){return PhantomJSPrinting.footer.contents(pageNum, numPages);}, pageNum, numPages);
  79                 });
  80                 page.paperSize = paperSize;
  81                 console.log(page.paperSize.header.height);
  82                 console.log(page.paperSize.footer.height);
  83             }
  84             window.setTimeout(function () {
  85                 page.render(output);
  86                 phantom.exit();
  87             }, 200);
  88         }
  89     });
  90 }