offline: add button to remove all books; index: do not move the list when using cache dropdown item

2 files changed, 24 insertions, 0 deletions

diff --git a/js/index.js b/js/index.js
index b314cc0..60e4d12 100644
--- a/js/index.js
+++ b/js/index.js
@@ -24,6 +24,7 @@ function mark_offline(elem) {
 				offline_remove(bookId, function() {
 					mark_offline(elem);
 				});
+				return false;
 			};
 
 			elem.innerHTML = "Remove offline data";
@@ -34,6 +35,7 @@ function mark_offline(elem) {
 				offline_cache(bookId, function() {
 					mark_offline(elem);
 				});
+				return false;
 			};
 
 			elem.innerHTML = "Make available offline";
diff --git a/js/offline.js b/js/offline.js
index 959982c..8a61417 100644
--- a/js/offline.js
+++ b/js/offline.js
@@ -6,6 +6,28 @@ function offline_remove2(elem) {
 	});
 }
 
+function offline_clear() {
+
+	if (confirm("Remove all offline data?")) {
+
+		var promises = [];
+
+		localforage.iterate(function(value, key, i) {
+
+			if (key.match("epube-book")) {
+				promises.push(localforage.removeItem(key));
+			}
+		});
+
+		Promise.all(promises).then(function() {
+			window.setTimeout(function() {
+				populate_list();
+			}, 500);
+		});
+	}
+}
+
+
 function populate_list() {
 
 	var books = $("#books_container");