MWTemplatePage: Show a link to the template even when there's a description

Bug: T51772
Change-Id: Ia7084dc7dd4e4c092c0d24b123da19721dca54a9

extension.json

@@ -1678,6 +1678,7 @@
 				"visualeditor-dialog-transclusion-deprecated-parameter",
 				"visualeditor-dialog-transclusion-deprecated-parameter-description",
 				"visualeditor-dialog-transclusion-loading",
+				"visualeditor-dialog-transclusion-more-template-description",
 				"visualeditor-dialog-transclusion-multiple-mode",
 				"visualeditor-dialog-transclusion-no-template-description",
 				"visualeditor-dialog-transclusion-options",

modules/ve-mw/i18n/en.json

@@ -200,6 +200,7 @@
 	"visualeditor-dialog-transclusion-deprecated-parameter": "Deprecated field",
 	"visualeditor-dialog-transclusion-deprecated-parameter-description": "Field is deprecated. $1",
 	"visualeditor-dialog-transclusion-loading": "Loading...",
+	"visualeditor-dialog-transclusion-more-template-description": "There might be some additional information about the \"$1\" template on [[{{ns:template}}:$1|its page]].",
 	"visualeditor-dialog-transclusion-multiple-mode": "Show options",
 	"visualeditor-dialog-transclusion-no-template-description": "The \"$1\" template doesn't yet have a description, but there might be some information on the [[$1|template's page]].",
 	"visualeditor-dialog-transclusion-options": "Options",

modules/ve-mw/i18n/qqq.json

@@ -213,6 +213,7 @@
 	"visualeditor-dialog-transclusion-deprecated-parameter": "Tooltip for deprecated parameter indicator",
 	"visualeditor-dialog-transclusion-deprecated-parameter-description": "Label describing that a parameter is deprecated.\n\nParameters:\n* $1 - Description given in TemplateData for why parameter is deprecated, which may be empty.",
 	"visualeditor-dialog-transclusion-loading": "Title for the transclusion dialog while its contents are loading.\n{{Identical|Loading}}",
+	"visualeditor-dialog-transclusion-more-template-description": "Message to user that additional template information might be available for a template.\n\nParameters:\n* $1 - the title of the template",
 	"visualeditor-dialog-transclusion-multiple-mode": "Label for button that shows advanced options in transclusion dialog",
 	"visualeditor-dialog-transclusion-no-template-description": "Message to user that no template information is available for the template.\n\nParameters:\n* $1 - the title of the template",
 	"visualeditor-dialog-transclusion-options": "Label for section with options for templates, content or parameters.\n{{Identical|Options}}",

modules/ve-mw/ui/pages/ve.ui.MWTemplatePage.js

@@ -17,7 +17,7 @@
  * @param {Object} [config] Configuration options
  */
 ve.ui.MWTemplatePage = function VeUiMWTemplatePage( template, name, config ) {
-	var title;
+	var title = template.getTitle() ? mw.Title.newFromText( template.getTitle() ) : null;
 
 	// Configuration initialization
 	config = ve.extendObject( {
@@ -56,14 +56,21 @@ ve.ui.MWTemplatePage = function VeUiMWTemplatePage( template, name, config ) {
 	this.$description.addClass( 've-ui-mwTemplatePage-description' );
 	if ( this.spec.getDescription() ) {
 		this.$description.text( this.spec.getDescription() );
+		if ( title ) {
+			this.$description.append(
+				$( '<hr>' ),
+				$( '<span>' )
+					.addClass( 've-ui-mwTemplatePage-description-extra' )
+					.html( mw.message(
+						'visualeditor-dialog-transclusion-more-template-description',
+						title.getRelativeText( mw.config.get( 'wgNamespaceIds' ).template )
+					).parse() )
+			);
+		}
 	} else {
-		title = this.template.getTitle();
 		// The transcluded page may be dynamically generated or unspecified in the DOM
 		// for other reasons (bug 66724). In that case we can't tell the user what
 		// the template is called nor link to the template page.
-		if ( title ) {
-			title = mw.Title.newFromText( title );
-		}
 		if ( title ) {
 			this.$description
 				.addClass( 've-ui-mwTemplatePage-description-missing' )

modules/ve-mw/ui/themes/default/pages/ve.ui.MWTemplatePage.css

@@ -18,6 +18,7 @@
 	color: #555;
 }
 
+.ve-ui-mwTemplatePage-description-extra,
 .ve-ui-mwTemplatePage-description-missing {
 	font-style: italic;
 }