Ticket #27055: 27055.34.diff

src/wp-admin/theme-install.php

@@ -33 +33 @@
         'new'      => __( 'Newest Themes' ),
 );
 
+$installed_themes = search_theme_directories();
+foreach ( $installed_themes as $k => $v ) {
+        if ( false !== strpos( $k, '/' ) ) {
+                unset( $installed_themes[ $k ] );
+        }
+}
+
 wp_localize_script( 'theme', '_wpThemeSettings', array(
         'themes'   => false,
         'settings' => array(
@@ -51 +58 @@
                 'back'   => __( 'Back' ),
                 'error'  => ( 'There was a problem trying to load the themes. Please, try again.' ), // @todo improve
         ),
+        'installedThemes' => array_keys( $installed_themes ),
         'browse' => array(
                 'sections' => $sections,
         ),
@@ -187 +195 @@
         <h3 class="theme-name">{{ data.name }}</h3>
 
         <div class="theme-actions">
+        <# if ( -1 === _.indexOf( _wpThemeSettings.installedThemes, data.slug ) ) { #>
                 <a class="button button-primary" href="{{ data.installURI }}"><?php esc_html_e( 'Install' ); ?></a>
+        <# } else { #>
+                <a class="button button-primary disabled" href="#"><?php esc_html_e( 'Installed' ); ?></a>
+        <# } #>
                 <a class="button button-secondary preview install-theme-preview" href="#"><?php esc_html_e( 'Preview' ); ?></a>
         </div>
 </script>
@@ -196 +208 @@
         <div class="wp-full-overlay-sidebar">
                 <div class="wp-full-overlay-header">
                         <a href="#" class="close-full-overlay button-secondary"><?php _e( 'Close' ); ?></a>
+                <# if ( -1 === _.indexOf( _wpThemeSettings.installedThemes, data.slug ) ) { #>
                         <a href="{{ data.installURI }}" class="button button-primary theme-install"><?php _e( 'Install' ); ?></a>
+                <# } else { #>
+                        <a class="button button-primary theme-install disabled" href="#"><?php esc_html_e( 'Installed' ); ?></a>
+                <# } #>
                 </div>
                 <div class="wp-full-overlay-sidebar-content">
                         <div class="install-theme-info">