TinyMCE wpView: when pasting/inserting content before a view, add new paragraph above it and insert the content there.

Merges [29766] to the 4.0 branch.

props avryl.
fixes #29380.

Built from https://develop.svn.wordpress.org/branches/4.0@30257


git-svn-id: http://core.svn.wordpress.org/branches/4.0@30257 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/tinymce/plugins/wpview/plugin.js

@@ -12,7 +12,7 @@ tinymce.PluginManager.add( 'wpview', function( editor ) {
 		firstFocus = true,
 		_noop = function() { return false; },
 		isios = /iPad|iPod|iPhone/.test( navigator.userAgent ),
-		cursorInterval, lastKeyDownNode, setViewCursorTries, focus, execCommandView;
+		cursorInterval, lastKeyDownNode, setViewCursorTries, focus, execCommandView, execCommandBefore;
 
 	function getView( node ) {
 		return getParent( node, 'wpview-wrap' );
@@ -649,8 +649,8 @@ tinymce.PluginManager.add( 'wpview', function( editor ) {
 		var node = editor.selection.getNode(),
 			view;
 
-		if ( node && ( node.className === 'wpview-selection-before' || node.className === 'wpview-selection-after' ) && ( view = getView( node ) ) ) {
-			handleEnter( view );
+		if ( node && ( ( execCommandBefore = node.className === 'wpview-selection-before' ) || node.className === 'wpview-selection-after' ) && ( view = getView( node ) ) ) {
+			handleEnter( view, execCommandBefore );
 			execCommandView = view;
 		}
 	});
@@ -665,11 +665,11 @@ tinymce.PluginManager.add( 'wpview', function( editor ) {
 		}
 
 		if ( execCommandView ) {
-			node = execCommandView.nextSibling;
+			node = execCommandView[ execCommandBefore ? 'previousSibling' : 'nextSibling' ];
 
 			if ( node && node.nodeName === 'P' && editor.dom.isEmpty( node ) ) {
 				editor.dom.remove( node );
-				setViewCursor( false, execCommandView );
+				setViewCursor( execCommandBefore, execCommandView );
 			}
 
 			execCommandView = false;