Move common view templates to 'helper' package.

src/main/twirl/helper/preview.scala.html

@@ -0,0 +1,43 @@
+@(repository: service.RepositoryService.RepositoryInfo, content: String, enableWikiLink: Boolean,
+  enableCommitLink: Boolean, enableIssueLink: Boolean, style: String = "", placeholder: String = "Leave a comment")(implicit context: app.Context)
+@import context._
+@import view.helpers._
+<div class="tabbable">
+  <ul class="nav nav-tabs">
+    <li class="active"><a href="#tab1" data-toggle="tab">Write</a></li>
+    <li><a href="#tab2" data-toggle="tab" id="preview">Preview</a></li>
+    @*
+    <li class="pull-right">
+      <a href="http://daringfireball.net/projects/markdown/syntax" target="_blank">Markdown Syntax Guide</a>
+    </li>
+    *@
+  </ul>
+  <div class="tab-content">
+    <div class="tab-pane active" id="tab1">
+      <span id="error-content" class="error"></span>
+      <textarea id="content" name="content"@if(style.nonEmpty){ style="@style"} placeholder="@placeholder">@content</textarea>
+    </div>
+    <div class="tab-pane" id="tab2">
+      <div class="markdown-body" id="preview-area">
+      </div>
+    </div>
+  </div>
+</div>
+<link  href="@assets/google-code-prettify/prettify.css" type="text/css" rel="stylesheet"/>
+<script src="@assets/google-code-prettify/prettify.js"></script>
+<script>
+$(function(){
+  $('#preview').click(function(){
+    $('#preview-area').html('<img src="@assets/common/images/indicator.gif"> Previewing...');
+    $.post('@url(repository)/_preview', {
+      content          : $('#content').val(),
+      enableWikiLink   : @enableWikiLink,
+      enableCommitLink : @enableCommitLink,
+      enableIssueLink  : @enableIssueLink
+    }, function(data){
+      $('#preview-area').html(data);
+      prettyPrint();
+    });
+  });
+});
+</script>