Changed highcontrast from array (theme) to object (flag/filter)

Signed-off-by: Janis Köhr <janis.koehr@novatec-gmbh.de>

apps/accessibility/lib/AccessibilityProvider.php

@@ -65,14 +65,12 @@ class AccessibilityProvider {
 	}
 
 	public function getHighContrast() {
-		return array(
-			[
+		return [
 				'id'    => 'highcontrast',
 				'img'   => $this->urlGenerator->imagePath($this->appName, 'theme-highcontrast.jpg'),
 				'title' => $this->l->t('High contrast theme'),
 				'text'  => $this->l->t('A high contrast theme to ease your navigation. Visual quality will be reduced but clarity will be increased.')
-			]
-		);
+			];
 	}
 
 	public function getFonts() {

apps/accessibility/lib/Controller/ConfigController.php

@@ -114,7 +114,7 @@ class ConfigController extends OCSController {
 			}
 
 			$themes = $this->accessibilityProvider->getThemes();
-			$highcontrast = $this->accessibilityProvider->getHighContrast();
+			$highcontrast = array($this->accessibilityProvider->getHighContrast());
 			$fonts  = $this->accessibilityProvider->getFonts();
 
 			$availableOptions = array_map(function($option) {

apps/accessibility/src/App.vue

@@ -5,8 +5,8 @@
 		<p v-html="descriptionDetail" />
 
 		<div class="preview-list">
-			<preview v-for="preview in highcontrast" :preview="preview"
-				 :key="preview.id" :selected="selected.highcontrast"
+			<preview :preview="highcontrast"
+				 :key="highcontrast.id" :selected="selected.highcontrast"
 				 v-on:select="selectHighContrast"></preview>
 			<preview v-for="preview in themes" :preview="preview"
 				 :key="preview.id" :selected="selected.theme"