Fix grid view button in public page

Signed-off-by: Vincent Petry <vincent@nextcloud.com>

apps/files_sharing/js/public.js

@@ -62,6 +62,11 @@ OCA.Sharing.PublicApp = {
 
 		// file list mode ?
 		if ($el.find('.files-filestable').length) {
+			// Toggle for grid view
+			this.$showGridView = $('input#showgridview');
+			this.$showGridView.on('change', _.bind(this._onGridviewChange, this));
+			$('#view-toggle').tooltip({placement: 'bottom', trigger: 'hover'});
+
 			var filesClient = new OC.Files.Client({
 				host: OC.getHost(),
 				port: OC.getPort(),
@@ -364,6 +369,26 @@ OCA.Sharing.PublicApp = {
 		}
 	},
 
+	/**
+	 * Toggle showing gridview by default or not
+	 *
+	 * @returns {undefined}
+	 */
+	_onGridviewChange: function() {
+		const isGridView = this.$showGridView.is(':checked');
+		this.$showGridView.next('#view-toggle')
+			.removeClass('icon-toggle-filelist icon-toggle-pictures')
+			.addClass(isGridView ? 'icon-toggle-filelist' : 'icon-toggle-pictures')
+		this.$showGridView.next('#view-toggle').attr(
+			'data-original-title',
+			isGridView ? t('files', 'Show list view') : t('files', 'Show grid view'),
+		)
+
+		if (this.fileList) {
+			this.fileList.setGridView(isGridView);
+		}
+	},
+
 	_onDirectoryChanged: function (e) {
 		OC.Util.History.pushState({
 			// arghhhh, why is this not called "dir" !?