From 5a633330eba6644e24d2b6a18f15305fd8798338 Mon Sep 17 00:00:00 2001
From: Sipke Schoorstra <sipke@ideliverable.com>
Date: Mon, 28 Jul 2014 17:17:32 -0700
Subject: [PATCH] Adding PromptOnNavigate option.

---
 .../Scripts/media-library-picker.js           | 33 ++++++++++---------
 .../Fields/MediaLibraryPicker.Edit.cshtml     |  3 +-
 .../Views/MediaLibraryPicker.cshtml           |  6 ++--
 3 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/src/Orchard.Web/Modules/Orchard.MediaLibrary/Scripts/media-library-picker.js b/src/Orchard.Web/Modules/Orchard.MediaLibrary/Scripts/media-library-picker.js
index e451a07bd..27110b0c0 100644
--- a/src/Orchard.Web/Modules/Orchard.MediaLibrary/Scripts/media-library-picker.js
+++ b/src/Orchard.Web/Modules/Orchard.MediaLibrary/Scripts/media-library-picker.js
@@ -10,6 +10,7 @@
         var pipe = element.data("pipe");
         var returnUrl = element.data("return-url");
         var addUrl = element.data("add-url");
+        var promptOnNavigate = element.data("prompt-on-navigate");
         var addButton = element.find(".button.add");
         var template = 
             '<li><div data-id="{contentItemId}" class="media-library-picker-item"><div class="thumbnail">{thumbnail}<div class="overlay"><h3>{title}</h3></div></div></div><a href="#" data-id="{contentItemId}" class="media-library-picker-remove">' + removeText + '</a>' + pipe + '<a href="{editLink}?ReturnUrl=' + returnUrl + '">' + editText + '</a></li>';
@@ -30,21 +31,23 @@
                 addButton.show();
             }
         };
-        
-        window.mediaLibraryDirty = false;
-        var showSaveMsg = function() {
-            element.find('.media-library-picker-message').show();
-            window.mediaLibraryDirty = true;
-        };
-        if (!window.mediaLibraryNavigateAway) {
-            $(window).on("beforeunload", window.mediaLibraryNavigateAway = function() {
-                if (window.mediaLibraryDirty) {
-                    return dirtyText;
-                }
-            });
-            element.closest("form").on("submit", function() {
-                window.mediaLibraryDirty = false;
-            });
+
+        if (promptOnNavigate) {
+            window.mediaLibraryDirty = false;
+            var showSaveMsg = function() {
+                element.find('.media-library-picker-message').show();
+                window.mediaLibraryDirty = true;
+            };
+            if (!window.mediaLibraryNavigateAway) {
+                $(window).on("beforeunload", window.mediaLibraryNavigateAway = function() {
+                    if (window.mediaLibraryDirty) {
+                        return dirtyText;
+                    }
+                });
+                element.closest("form").on("submit", function() {
+                    window.mediaLibraryDirty = false;
+                });
+            }
         }
 
         refreshIds();
diff --git a/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/EditorTemplates/Fields/MediaLibraryPicker.Edit.cshtml b/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/EditorTemplates/Fields/MediaLibraryPicker.Edit.cshtml
index 33ecc2ecd..e7ff51031 100644
--- a/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/EditorTemplates/Fields/MediaLibraryPicker.Edit.cshtml
+++ b/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/EditorTemplates/Fields/MediaLibraryPicker.Edit.cshtml
@@ -9,4 +9,5 @@
     Multiple: settings.Multiple,
     Required: settings.Required,
     Hint: settings.Hint,
-    ContentItems: Model.ContentItems)
\ No newline at end of file
+    ContentItems: Model.ContentItems,
+    PromptOnNavigate: true)
\ No newline at end of file
diff --git a/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/MediaLibraryPicker.cshtml b/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/MediaLibraryPicker.cshtml
index b5a7bb466..d5dc16ee5 100644
--- a/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/MediaLibraryPicker.cshtml
+++ b/src/Orchard.Web/Modules/Orchard.MediaLibrary/Views/MediaLibraryPicker.cshtml
@@ -13,6 +13,7 @@
     var multiple = (bool)(Model.Multiple ?? false);
     var required = (bool)(Model.Required ?? false);
     var hint = (string) Model.Hint;
+    var promptOnNavigate = (bool) (Model.PromptOnNavigate ?? true);
     var contentItems = (IEnumerable<ContentItem>)Model.ContentItems ?? Enumerable.Empty<ContentItem>();
     var contentManager = WorkContext.Resolve<IContentManager>();
 }
@@ -25,8 +26,9 @@
           data-dirty-text="@T("You have unsaved changes. Please only accept to leave if you don't mind losing those changes.")"
           data-pipe="@T(" | ")"
           data-add-url="@HttpUtility.JavaScriptStringEncode(Url.Action("Index", "Admin", new { area = "Orchard.MediaLibrary", dialog = true }))"
-          data-return-url="@HttpUtility.JavaScriptStringEncode(Request.RawUrl)">
-    <label @if (required) { <text> class="required" </text>  }>@displayName</label>
+          data-return-url="@HttpUtility.JavaScriptStringEncode(Request.RawUrl)"
+          data-prompt-on-navigate="@promptOnNavigate.ToString().ToLower()">
+    <label @if (required) { <text> class="required" </text>   }>@displayName</label>
     <div class="message message-Warning media-library-picker-message">@T("You need to save your changes.")</div>
     <div class="items media-library-picker" summary="@displayName">
         <ul>