optionally scale to the page width when printing, #71301

3 files changed, 32 insertions, 0 deletions

diff --git a/httemplate/elements/header-full.html b/httemplate/elements/header-full.html
index 611da10dc..2e1047486 100644
--- a/httemplate/elements/header-full.html
+++ b/httemplate/elements/header-full.html
@@ -47,6 +47,9 @@ Example:
       <link rel="stylesheet" href="<% $fsurl %>elements/jquery-ui.min.css">
       <SCRIPT SRC="<% $fsurl %>elements/jquery.js"></SCRIPT>
       <SCRIPT SRC="<% $fsurl %>elements/jquery-ui.min.js"></SCRIPT>
+%     if ( $FS::CurrentUser::CurrentUser->option('printtofit') ) {
+      <SCRIPT SRC="<% $fsurl %>elements/printtofit.js"></SCRIPT>
+%     }
 %   }
 
     <% include('init_overlib.html') |n %>
diff --git a/httemplate/elements/header-popup.html b/httemplate/elements/header-popup.html
index f1ac86cd5..04709ce53 100644
--- a/httemplate/elements/header-popup.html
+++ b/httemplate/elements/header-popup.html
@@ -30,6 +30,9 @@ Example:
     <META HTTP-Equiv="Expires" Content="0"> 
 %   unless ( $no_jquery ) {
       <SCRIPT SRC="<% $fsurl %>elements/jquery.js"></SCRIPT>
+%     if ( $FS::CurrentUser::CurrentUser->option('printtofit') ) {
+      <SCRIPT SRC="<% $fsurl %>elements/printtofit.js"></SCRIPT>
+%     }
 %   }
     <% $head |n %>
   </HEAD>
diff --git a/httemplate/elements/printtofit.js b/httemplate/elements/printtofit.js
new file mode 100644
index 000000000..66257fca8
--- /dev/null
+++ b/httemplate/elements/printtofit.js
@@ -0,0 +1,26 @@
+$().ready(function() {
+  var beforePrint = function() {
+    if ($('body').width() > 0) {
+      // 7.5 inches * 96 DPI; maybe make the width a user pref?
+      var maxwidth = 7.5 * 96;
+      $('body').css('zoom', maxwidth / $('body').width());
+    }
+  };
+  var afterPrint = function() {
+    $('body').css('zoom', 1);
+  }
+
+  if (window.matchMedia) { // chrome, most importantly; also IE10?
+    window.matchMedia('print').addListener(
+      function(mq) {
+        mq.matches ?  beforePrint() : afterPrint();
+      }
+    );
+  } else { // other IE
+    $(window).on('beforeprint', beforePrint);
+    $(window).on('afterprint', afterPrint);
+  }
+  // got nothing for firefox
+  // https://bugzilla.mozilla.org/show_bug.cgi?id=774398
+  // but firefox already has "shrink to fit"
+});