From 539b54d10d63f8638cfcda1ab0b34560cecdbe9b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Fri, 3 Jan 2014 14:40:25 +0100
Subject: [PATCH] Splitbar can now be dragged to an arbitrary position

---
 .../wiki/templates/wiki/document_details.html |  1 +
 redakcja/static/css/gallery.css               |  3 +-
 redakcja/static/css/master.css                | 14 ++++-
 redakcja/static/js/wiki/loader.js             | 51 ++++++++++++++++---
 4 files changed, 59 insertions(+), 10 deletions(-)

diff --git a/apps/wiki/templates/wiki/document_details.html b/apps/wiki/templates/wiki/document_details.html
index db003d2c..2211c0a3 100644
--- a/apps/wiki/templates/wiki/document_details.html
+++ b/apps/wiki/templates/wiki/document_details.html
@@ -37,6 +37,7 @@
         {% include "wiki/tabs/annotations_view.html" %}
         {% include "wiki/tabs/search_view.html" %}
     </div>
+    <div id="drag-layer"></div>
 {% endblock %}
 
 {% block dialogs %}
diff --git a/redakcja/static/css/gallery.css b/redakcja/static/css/gallery.css
index 55c020ee..fc0ed859 100644
--- a/redakcja/static/css/gallery.css
+++ b/redakcja/static/css/gallery.css
@@ -1,10 +1,9 @@
 #sidebar {
-    display:none;
     position: absolute;
     top: 0px;
     right: 0px;
     bottom: 0px;
-    width: 480px;
+    width: 0px;
     background-color: #FFF;
 }
 
diff --git a/redakcja/static/css/master.css b/redakcja/static/css/master.css
index 4326b6c2..b88fb35a 100644
--- a/redakcja/static/css/master.css
+++ b/redakcja/static/css/master.css
@@ -28,13 +28,14 @@ body {
     border-right: 2px solid #999;
     cursor: pointer;  
     background: #C1C1C1; 
+    z-index:100;
+    cursor: col-resize;
 }
 
 .vsplitbar:hover {
 	background-color: #E6E6E6;
 }
 
-
 .vsplitbar p {
     font: 12px Helvetica,Verdana,sans-serif;
 
@@ -48,6 +49,17 @@ body {
   margin: 250px auto;
 }
 
+#drag-layer {
+    position:absolute;
+    top:0;
+    bottom:0;
+    left:0;
+    right:0;
+    z-index:1000;
+    display: none;
+    cursor: col-resize;
+}
+
 .editor {
     position: absolute;
     top: 0px;
diff --git a/redakcja/static/js/wiki/loader.js b/redakcja/static/js/wiki/loader.js
index f2d7fb71..99ceb976 100644
--- a/redakcja/static/js/wiki/loader.js
+++ b/redakcja/static/js/wiki/loader.js
@@ -17,6 +17,23 @@ $(function()
 
     function initialize()
 	{
+        var splitter = $('#splitter'),
+            editors = $('#editor .editor'),
+            vsplitbar = $('.vsplitbar'),
+            sidebar = $('#sidebar'),
+            dragLayer = $('#drag-layer'),
+            vsplitbarWidth = vsplitbar.outerWidth(),
+            isHolding = false;
+
+        // Moves panes so that left border of the vsplitbar lands x pixels from the left border of the splitter
+        function setSplitbarAt(x) {
+            var right = splitterWidth - x;
+            editors.each(function() {
+                this.style.right = right + 'px';
+            });
+            vsplitbar[0].style.right = sidebar[0].style.width = (right - vsplitbarWidth) + 'px';
+        };
+
 		$(document).keydown(function(event) {
 			console.log("Received key:", event);
 		});
@@ -51,31 +68,51 @@ $(function()
 
         $(window).resize(function(){
             $('iframe').height($(window).height() - $('#tabs').outerHeight() - $('#source-editor .toolbar').outerHeight());
+            splitterWidth = splitter.width();
         });
 
         $(window).resize();
 
-        $('.vsplitbar').toggle(
+        vsplitbar.toggle(
 			function() {
 				$.wiki.state.perspectives.ScanGalleryPerspective.show = true;
-				$('#sidebar').show();
-				$('.vsplitbar').css('right', 480).addClass('active');
-				$('#editor .editor').css('right', 510);
+				setSplitbarAt(splitterWidth - (480 + vsplitbarWidth));
+				$('.vsplitbar').addClass('active');
 				$(window).resize();
 				$.wiki.perspectiveForTab('#tabs-right .active').onEnter();
 			},
 			function() {
 			    var active_right = $.wiki.perspectiveForTab('#tabs-right .active');
 				$.wiki.state.perspectives.ScanGalleryPerspective.show = false;
-				$('#sidebar').hide();
-				$('.vsplitbar').css('right', 0).removeClass('active');
 				$(".vsplitbar-title").html("&uarr;&nbsp;" + active_right.vsplitbar + "&nbsp;&uarr;");
-				$('#editor .editor').css('right', 30);
+				setSplitbarAt(splitterWidth - vsplitbarWidth);
+				$('.vsplitbar').removeClass('active');
 				$(window).resize();
 				active_right.onExit();
 			}
 		);
 
+
+        /* Splitbar dragging support */
+        vsplitbar
+            .mousedown(function(e) {
+                e.preventDefault();
+                isHolding = true;
+            })
+            .mousemove(function(e) {
+                if(isHolding) {
+                    dragLayer.show(); // We don't show it up until now so that we don't lose single click events on vsplitbar
+                }
+            });
+        dragLayer.mousemove(function(e) {
+            setSplitbarAt(e.clientX - vsplitbarWidth/2);
+        });
+        $('body').mouseup(function(e) {
+            dragLayer.hide();
+            isHolding = false;
+        });
+
+
 		if($.wiki.state.perspectives.ScanGalleryPerspective.show){
             $('.vsplitbar').trigger('click');
             $(".vsplitbar-title").html("&darr;&nbsp;GALERIA&nbsp;&darr;");
-- 
2.20.1