From 7cef7c08ebab0374f8dced2f047b5a8bf281c44c Mon Sep 17 00:00:00 2001
From: Arne Georg Gleditsch <argggh@lxr.linpro.no>
Date: Fri, 6 Aug 2010 22:12:55 +0200
Subject: Add save button.

---
 lib/LXRng/Web.pm                  | 25 +++++++++++++++++++++++++
 tmpl/header.tt2                   | 10 +++++++++-
 webroot/.static/css/lxrng.css     |  5 +++++
 webroot/.static/js/lxrng-funcs.js |  6 ++++++
 4 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/lib/LXRng/Web.pm b/lib/LXRng/Web.pm
index 2ae3fa4..20ff899 100644
--- a/lib/LXRng/Web.pm
+++ b/lib/LXRng/Web.pm
@@ -821,6 +821,28 @@ sub generate_pdf {
 }
 
 
+# Generate raw file for download
+
+sub generate_raw {
+    my ($query, $context, $template, $path) = @_;
+
+    my $ver = $context->release;
+    my $rep = $context->config->{'repository'};
+    my $node = $rep->node($path, $ver);
+
+    die "No such file" unless $node;
+
+    my $handle = $node->handle();
+    print($query->header(-type => 'application/octet-stram',
+			 -content_disposition =>
+			 "attachment; filename=$path"));
+    my $buf = '';
+    while (sysread($handle, $buf, 65536) > 0) {
+	print($buf);
+    }
+}
+
+
 sub handle {
     my ($self, $query) = @_;
 
@@ -843,6 +865,9 @@ sub handle {
 	elsif ($context->path =~ /^[+ ]print=(.*)/) {
 	    generate_pdf($query, $context, $template, $1);
 	}
+	elsif ($context->path =~ /^[+ ]save=(.*)/) {
+	    generate_raw($query, $context, $template, $1);
+	}
 	else {
 	    if ($context->path =~ 
 		/^[+ ](search|code|ident|file|text|ambig)(?:=(.*)|)/)
diff --git a/tmpl/header.tt2 b/tmpl/header.tt2
index 5360b4f..5e6f12d 100644
--- a/tmpl/header.tt2
+++ b/tmpl/header.tt2
@@ -55,7 +55,7 @@
 	  %]<a href="[% elem.path | html %]">[% elem.node | html %]</a>[%
 	  END %]
 	</span>
-	<img src="../.static/gfx/rolldown.png" alt="History">
+	<!-- <img src="../.static/gfx/rolldown.png" alt="History"> -->
         <span id="lxr_print"
           [% IF is_ajax || node.name.match('/$') %]style="display: none;"[% END %]>
 	  <form action="+print=[% node.name | html %]" method="post" id="print_form">
@@ -64,6 +64,14 @@
             </button>
 	  </form>
         </span>
+        <span id="lxr_save"
+          [% IF is_ajax || node.name.match('/$') %]style="display: none;"[% END %]>
+	  <form action="+save=[% node.name | html %]" method="post" id="save_form">
+	    <button type="submit" class="save">
+      	      <img src="../.static/gfx/save.png" alt="Save">
+            </button>
+	  </form>
+        </span>
       </span>
 	
       <div class="lxr_menu">
diff --git a/webroot/.static/css/lxrng.css b/webroot/.static/css/lxrng.css
index acc7d92..c5a46eb 100644
--- a/webroot/.static/css/lxrng.css
+++ b/webroot/.static/css/lxrng.css
@@ -213,6 +213,11 @@ button.print {
 	background: #F0F0F0;
 }
 
+button.save {
+	border: 0;
+	background: #F0F0F0;
+}
+
 table.directory td.name {
 	width: 30ex;
 }	
diff --git a/webroot/.static/js/lxrng-funcs.js b/webroot/.static/js/lxrng-funcs.js
index a612055..5da1ef9 100644
--- a/webroot/.static/js/lxrng-funcs.js
+++ b/webroot/.static/js/lxrng-funcs.js
@@ -284,15 +284,21 @@ function load_file_finalize(content) {
 	var full_path = full_tree + '/' + pending_file.replace(/^\/?/, '');
 
 	var print = document.getElementById('lxr_print');
+	var save  = document.getElementById('lxr_save');
 	var dirlist = document.getElementById('content_dir');
 	if (dirlist) {
 		print.style.display = 'none';
+		save.style.display = 'none';
 	}
 	else {
 		var pform = document.getElementById('print_form');
 		pform.action = '../' + full_tree + '/+print=' + 
 			pending_file.replace(/^\/?/, '');
 		print.style.display = 'inline';
+		var sform = document.getElementById('save_form');
+		sform.action = '../' + full_tree + '/+save=' + 
+			pending_file.replace(/^\/?/, '');
+		save.style.display = 'inline';
 	}
 
 	if (hash_check) {
-- 
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