From 08f83a7fd0618065e2cbae443674e44fac8102e2 Mon Sep 17 00:00:00 2001
From: Acho Arnold <arnold@archlinux.info>
Date: Thu, 17 Apr 2014 16:44:08 +0100
Subject: Bug 984980 - add framework for keyboard shortcuts, and key to switch
 between preview and edit mode. Patch by <arnold@archlinux.info>, r=gerv,
 a=justdave.

---
 js/field.js                                     | 30 +++++++++++++++++++++++++
 template/en/default/attachment/create.html.tmpl |  7 ++++++
 template/en/default/bug/show-header.html.tmpl   |  6 +++++
 3 files changed, 43 insertions(+)

diff --git a/js/field.js b/js/field.js
index 892c8669f..b7e90ce1c 100644
--- a/js/field.js
+++ b/js/field.js
@@ -1083,3 +1083,33 @@ function updateRemainingTime() {
     // if the remaining time is changed manually, update bz_remaining_time
     bz_remaining_time = document.changeform.remaining_time.value;
 }
+
+var keys = [];
+function keys_pressed(e, bug_id) {
+    // Store an entry for every key pressed
+    keys[e.keyCode] = true;
+
+    // (Ctrl XOR cmd) + Shift + P
+    if ((!keys[17] != !keys[224]) && keys[16] && keys[80]) {
+        // Check if we are already in preview mode
+        if (YAHOO.util.Dom.hasClass('comment_preview_tab', 'active_comment_tab')){
+            show_comment_edit();
+            document.getElementById('comment').focus();
+            YAHOO.util.Event.preventDefault(e);
+        }
+
+        else {
+            // Ensure that we switch to preview mode only if the textarea is in focus
+            var comment = document.getElementById('comment');
+            if (document.activeElement == comment) {
+                show_comment_preview(bug_id);
+                YAHOO.util.Event.preventDefault(e);
+            }
+        }
+    }
+}
+
+function keys_released(e) {
+    // Mark keys that were released
+    keys[e.keyCode] = false;
+}
\ No newline at end of file
diff --git a/template/en/default/attachment/create.html.tmpl b/template/en/default/attachment/create.html.tmpl
index 18cc12640..feb6d2931 100644
--- a/template/en/default/attachment/create.html.tmpl
+++ b/template/en/default/attachment/create.html.tmpl
@@ -11,6 +11,13 @@
 [% header = BLOCK %]Create New Attachment for
   [%+ "$terms.Bug $bug.bug_id" FILTER bug_link(bug) FILTER none %][% END %]
 [% subheader = BLOCK %][% bug.short_desc FILTER html %][% END %]
+[% javascript = BLOCK %]
+	YAHOO.util.Event.onDOMReady(function() {
+	    YAHOO.util.Event.addListener(window, 'keydown', keys_pressed, [% bug.id FILTER none %]);
+	    YAHOO.util.Event.addListener(window, 'keyup', keys_released);
+	});
+[% END %]
+
 
 [% PROCESS global/header.html.tmpl
   title = title
diff --git a/template/en/default/bug/show-header.html.tmpl b/template/en/default/bug/show-header.html.tmpl
index c340def17..946b50abf 100644
--- a/template/en/default/bug/show-header.html.tmpl
+++ b/template/en/default/bug/show-header.html.tmpl
@@ -56,6 +56,12 @@
     [% javascript FILTER none %]
   [% END %]
 [% END %]
++[% javascript = BLOCK %]
+        YAHOO.util.Event.onDOMReady(function() {
+            YAHOO.util.Event.addListener(window, 'keydown', keys_pressed, [% bug.id FILTER none %]);
+            YAHOO.util.Event.addListener(window, 'keyup', keys_released);
+        });
+[% END %]
 [% style_urls = ['skins/standard/bug.css'] %]
 [% doc_section = "using.html#anatomy-of-a-bug" %]
 [% bodyclasses = ['bz_bug',
-- 
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