Split javascript into several more managable pieces
This commit is contained in:
Neil Brommer
parent
15ccd7c41b
commit
c31c5e7058
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@ -66,7 +66,7 @@
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<div class="form-group">
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<label for="newBookmarkGroup">Group</label>
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<select id="newBookmarkGroup" name="Group" class="form-control" onchange="selectGroupChanged(this.value)">
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<option value="-">New Group</option>
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<option value="--">New Group</option>
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</select>
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</div>
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<div id="createGroup" class="form-group newGroup">
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@ -183,7 +183,12 @@
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<script src="lib/jquery-3.2.1.min.js"></script>
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<script src="lib/popper.js"></script>
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<script src="lib/bootstrap/js/bootstrap.min.js"></script>
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<script src="js/main.js"></script>
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<script src="js/loadBookmarks.js"></script>
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<script src="js/addBookmarks.js"></script>
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<script src="js/editBookmarks.js"></script>
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<script src="js/importExport.js"></script>
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</body>
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</html>
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107
js/addBookmarks.js
Normal file
107
js/addBookmarks.js
Normal file
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@ -0,0 +1,107 @@
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$(document).ready(function () {
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$("#newBookmarkModal").on("shown.bs.modal", function () {
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var combo = $("#newBookmarkGroup");
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combo.empty();
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combo.append($("<option>").attr({ "value": "--" })
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.text("New Group"));
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for (let group of bookmarkList) {
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combo.append($("<option>").attr({ "value": group.title })
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.text(group.title));
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}
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$("#createGroup").prop("required", true);
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});
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$("#addBookmarkForm").submit(addNewBookmark);
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$("#newBookmarkGroup").on("change", selectGroupChanged);
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});
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function addNewBookmark(e) {
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e.preventDefault();
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// read in data from the form
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var bkmkName = $("#newBookmarkName").val();
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var bkmkAddress = $("#newBookmarkURL").val();
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var bkmkGroup = $("#newBookmarkGroup").val();
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if (bkmkGroup == "--") { // create a new group
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var newGroupName = $("#newBookMarkGroupNew").val();
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var newGroup = {
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"title": newGroupName,
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"bookmarks": [ { "name": bkmkName, "address": bkmkAddress } ]
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};
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var openDBRequest = window.indexedDB.open("bookmarks", dbVersion + 1);
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openDBRequest.onupgradeneeded = function (e) {
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var db = e.target.result;
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if (db.objectStoreNames.contains(newGroup.title)) {
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window.alert("The group already exists");
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return;
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}
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var objStore = db.createObjectStore(newGroup.title, { autoIncrement: true });
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objStore.createIndex("name", "name", { unique: false });
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objStore.createIndex("address", "address", { unique: false });
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var bookmarks = newGroup.bookmarks;
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for (var i = 0; i < bookmarks.length; i++) {
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var bkmk = bookmarks[i];
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objStore.add({ "name": bkmk.name, "address": bkmk.address }, i);
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}
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}
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openDBRequest.onsuccess = function (e) {
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var db = e.target.result;
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db.transaction(["groupIndexes"], "readwrite")
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.objectStore("groupIndexes")
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.add({ "title": newGroup.title, "groupIndex": bookmarkList.length });
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bookmarkList.push(newGroup);
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db.close();
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loadBookmarks();
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$(".modal").modal("hide");
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}
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openDBRequest.onerror = function (e) { console.log(e); }
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} else { // add to existing group
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var openDBRequest = window.indexedDB.open("bookmarks");
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openDBRequest.onsuccess = function (e) {
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var db = e.target.result;
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var newItem = { "name": bkmkName, "address": bkmkAddress };
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db.transaction([bkmkGroup], "readwrite")
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.objectStore(bkmkGroup)
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.add(newItem);
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for (let group of bookmarkList) {
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if (group.title == bkmkGroup) {
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group.bookmarks.push(newItem);
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break;
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}
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}
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db.close();
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loadBookmarks();
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$(".modal").modal("hide");
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}
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openDBRequest.onerror = function (e) { console.log(e); }
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}
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}
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function selectGroupChanged(value) {
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var groupText = $("#createGroup");
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if (value == "--") {
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groupText.show();
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groupText.prop("required", true);
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} else {
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groupText.hide();
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groupText.prop("required", false);
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}
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}
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6
js/editBookmarks.js
Normal file
6
js/editBookmarks.js
Normal file
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@ -0,0 +1,6 @@
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$(document).ready(function () {
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$("#btnEdit").click(function (e) {
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// TODO: editing bookmarks
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window.alert("Editing is currently not implemented");
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});
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});
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98
js/importExport.js
Normal file
98
js/importExport.js
Normal file
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@ -0,0 +1,98 @@
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$(document).ready(function () {
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$("#importExportModal").on("shown.bs.modal", function () {
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var data = JSON.stringify(bookmarkList, null, 4);
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if (data != null)
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$("#exportText").text(data);
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else
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$("#exportText").text("[]");
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});
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$("#btnImport").click(importBookmarks);
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$("#exportText").click(function () {
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$("#exportText").select();
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});
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});
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function importBookmarks() {
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try {
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var newData = $.parseJSON($("#importText").val());
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} catch (err) {
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console.error("Import failed: " + err.message);
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window.alert("Invalid Format");
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return;
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}
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if (verifyBookmarks(newData)) {
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setList(newData);
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$("#importExportModal").modal("hide");
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} else {
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window.alert("Invalid Format");
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}
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}
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function setList(data) {
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// empty the DB and fill it with the new data
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bookmarkList = data;
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try {
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indexedDB.deleteDatabase("bookmarks");
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} catch (err) {
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// it's OK if the DB doesn't exist
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if (err.name != "NotFoundError") {
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console.error(err);
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return;
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}
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}
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var openDBRequest = window.indexedDB.open("bookmarks", 1);
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openDBRequest.onsuccess = function (e) {
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dbVersion = db.version;
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db.close();
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loadBookmarks();
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}
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openDBRequest.onerror = function (err) { console.error(err); }
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openDBRequest.onupgradeneeded = function (e) {
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db = e.target.result;
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var groupStore = initDB(db);
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// create the object stores
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for (var i = 0; i < data.length; i++) {
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addGroup(data[i], groupStore, db, i);
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}
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}
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}
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function verifyBookmarks(bookmarks) {
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if (!Array.isArray(bookmarks))
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return false;
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for (var i = 0; i < bookmarks.length; i++) {
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var item = bookmarks[i];
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if (item == null || typeof item != "object")
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return false;
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if (item.title == null || typeof item.title != "string")
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return false;
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for (var j = 0; j < item.bookmarks.length; j++) {
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var bkmk = item.bookmarks[j];
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if (bkmk == null || typeof bkmk != "object")
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return false;
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if (bkmk.name == null || typeof bkmk.name != "string")
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return false;
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if (bkmk.address == null || typeof bkmk.address != "string")
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return false;
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}
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}
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return true;
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}
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139
js/loadBookmarks.js
Normal file
139
js/loadBookmarks.js
Normal file
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@ -0,0 +1,139 @@
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$(document).ready(function () {
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loadBookmarks();
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});
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function loadBookmarks() {
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$("#cardList").empty();
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var openDBRequest = window.indexedDB.open("bookmarks");
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openDBRequest.onsuccess = function (dbEvt) {
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db = dbEvt.target.result;
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dbVersion = db.version;
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bookmarkList = [];
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db.transaction(["groupIndexes"], "readonly")
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.objectStore("groupIndexes")
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.getAll()
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.onsuccess = function (indexEvt) {
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var indexes = indexEvt.target.result;
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// use a placholder because getting the group info is async
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// and groups could finish loading in a different order
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var cardList = $("#cardList");
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for (var i = 0; i < indexes.length; i++) {
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$("<div>").attr("id", "group-" + i).appendTo(cardList);
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}
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for (let item of indexes) {
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buildGroup(item, $("#group-" + item.groupIndex));
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}
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db.close();
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}
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;
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}
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openDBRequest.onerror = function (e) { console.log(e); }
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openDBRequest.onupgradeneeded = function (e) {
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// the database doesn't exist
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console.log("Creating database");
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db = e.target.result;
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var data = window.localStorage.getItem("bookmarks");
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if (data != null) {
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console.log("Importing data from old version");
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data = JSON.parse(data);
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db.close();
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setList(data);
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window.localStorage.removeItem("bookmarks");
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} else {
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var groupStore = initDB(db);
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// add example bookmarks
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var exBookmarks = db.createObjectStore("Examples", { autoIncrement: true });
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exBookmarks.createIndex("name", "name", { unique: false });
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exBookmarks.createIndex("address", "address", { unique: false });
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groupStore.add({ "title": "Examples", "groupIndex": 0 });
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exBookmarks.add({
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"name": "Github",
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"address": "https://github.com/"
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});
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exBookmarks.add({
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"name": "This project on Github",
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"address": "https://github.com/NeilBrommer/NewTabPage"
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});
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exBookmarks.add({
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"name": "Hacker News",
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"address": "https://news.ycombinator.com/"
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});
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exBookmarks.add({
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"name": "reddit",
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"address": "https://www.reddit.com/"
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});
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$("#aboutModal").modal("show");
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}
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}
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}
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function buildGroup(groupInfo, placeholder) {
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var groupTransaction = db.transaction([groupInfo.title], "readonly");
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var groupStore = groupTransaction.objectStore(groupInfo.title);
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var groupRequest = groupStore.getAll();
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groupRequest.onsuccess = function (e) {
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var bookmarks = e.target.result;
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bookmarkList[groupInfo.groupIndex] = {
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"title": groupInfo.title,
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"bookmarks": bookmarks
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};
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buildCard(groupInfo.title, bookmarks).appendTo(placeholder);
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}
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}
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function buildCard(title, itemList) {
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var card = $(document.createElement("div"));
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card.attr({
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"id": "group-" + title,
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"class": "card bookmarkGroup"
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});
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var cardHead = $(document.createElement("div"));
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cardHead.attr({ "class": "card-header" });
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cardHead.text(title);
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card.append(cardHead);
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var cardList = $(document.createElement("div"));
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cardList.attr({ "class": "list-group list-group-flush" });
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card.append(cardList);
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for (var i = 0; i < itemList.length; i++) {
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var item = itemList[i];
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var link = $(document.createElement("a"));
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link.attr({
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"class": "list-group-item list-group-item-action",
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"href": item.address
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});
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link.text(item.name);
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cardList.append(link);
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}
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return card;
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}
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function addGroup(group, groupStore, db, index) {
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var objStore = db.createObjectStore(group.title, { autoIncrement: true });
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objStore.createIndex("name", "name", { unique: false });
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objStore.createIndex("address", "address", { unique: false });
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groupStore.add({ "title": group.title, "groupIndex": index });
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var bookmarks = group.bookmarks;
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for (var i = 0; i < bookmarks.length; i++) {
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var bkmk = bookmarks[i];
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objStore.add({ "name": bkmk.name, "address": bkmk.address }, i);
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}
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}
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347
js/main.js
347
js/main.js
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@ -4,272 +4,8 @@ var dbVersion;
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$(document).ready(function () {
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calcBackground();
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loadBookmarks();
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$("#importExportModal").on("shown.bs.modal", function () {
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var data = getListString();
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if (data != null)
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$("#exportText").text(data);
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else
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$("#exportText").text("[]");
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});
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$("#newBookmarkModal").on("shown.bs.modal", function () {
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var combo = $("#newBookmarkGroup");
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combo.empty();
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combo.append($("<option>").attr({ "value": "--" })
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.text("New Group"));
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for (let group of bookmarkList) {
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combo.append($("<option>").attr({ "value": group.title })
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.text(group.title));
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}
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$("#createGroup").prop("required", true);
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});
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$("#addBookmarkForm").submit(addNewBookmark);
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$("#btnEdit").click(function (e) {
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// TODO: editing bookmarks
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window.alert("Editing is currently not implemented");
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});
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$("#btnImport").click(importBookmarks);
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$("#exportText").click(function () {
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$("#exportText").select();
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});
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});
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function addNewBookmark(e) {
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e.preventDefault();
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// read in data from the form
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var bkmkName = $("#newBookmarkName").val();
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var bkmkAddress = $("#newBookmarkURL").val();
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var bkmkGroup = $("#newBookmarkGroup").val();
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if (bkmkGroup == "--") { // create a new group
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var newGroupName = $("#newBookMarkGroupNew").val();
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var newGroup = {
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"title": newGroupName,
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"bookmarks": [ { "name": bkmkName, "address": bkmkAddress } ]
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};
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var openDBRequest = window.indexedDB.open("bookmarks", dbVersion + 1);
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openDBRequest.onupgradeneeded = function (e) {
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var db = e.target.result;
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if (db.objectStoreNames.contains(newGroup.title)) {
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window.alert("The group already exists");
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return;
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}
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var objStore = db.createObjectStore(newGroup.title, { autoIncrement: true });
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objStore.createIndex("name", "name", { unique: false });
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objStore.createIndex("address", "address", { unique: false });
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var bookmarks = newGroup.bookmarks;
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for (var i = 0; i < bookmarks.length; i++) {
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var bkmk = bookmarks[i];
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objStore.add({ "name": bkmk.name, "address": bkmk.address }, i);
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}
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}
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openDBRequest.onsuccess = function (e) {
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var db = e.target.result;
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db.transaction(["groupIndexes"], "readwrite")
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.objectStore("groupIndexes")
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.add({ "title": newGroup.title, "groupIndex": bookmarkList.length });
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bookmarkList.push(newGroup);
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db.close();
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loadBookmarks();
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$(".modal").modal("hide");
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}
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openDBRequest.onerror = function (e) { console.log(e); }
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} else { // add to existing group
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var openDBRequest = window.indexedDB.open("bookmarks");
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openDBRequest.onsuccess = function (e) {
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var db = e.target.result;
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var newItem = { "name": bkmkName, "address": bkmkAddress };
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db.transaction([bkmkGroup], "readwrite")
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.objectStore(bkmkGroup)
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.add(newItem);
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for (let group of bookmarkList) {
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if (group.title == bkmkGroup) {
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group.bookmarks.push(newItem);
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break;
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}
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}
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db.close();
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loadBookmarks();
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$(".modal").modal("hide");
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}
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openDBRequest.onerror = function (e) { console.log(e); }
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}
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}
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function importBookmarks() {
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try {
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var newData = $.parseJSON($("#importText").val());
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} catch (err) {
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console.error("Import failed: " + err.message);
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window.alert("Invalid Format");
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return;
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}
|
||||
|
||||
if (verifyBookmarks(newData)) {
|
||||
setList(newData);
|
||||
|
||||
$("#importExportModal").modal("hide");
|
||||
} else {
|
||||
window.alert("Invalid Format");
|
||||
}
|
||||
}
|
||||
|
||||
function loadBookmarks() {
|
||||
$("#cardList").empty();
|
||||
var openDBRequest = window.indexedDB.open("bookmarks");
|
||||
|
||||
openDBRequest.onsuccess = function (dbEvt) {
|
||||
db = dbEvt.target.result;
|
||||
dbVersion = db.version;
|
||||
bookmarkList = [];
|
||||
|
||||
db.transaction(["groupIndexes"], "readonly")
|
||||
.objectStore("groupIndexes")
|
||||
.getAll()
|
||||
.onsuccess = function (indexEvt) {
|
||||
var indexes = indexEvt.target.result;
|
||||
|
||||
// use a placholder because getting the group info is async
|
||||
// and groups could finish loading in a different order
|
||||
var cardList = $("#cardList");
|
||||
for (var i = 0; i < indexes.length; i++) {
|
||||
$("<div>").attr("id", "group-" + i).appendTo(cardList);
|
||||
}
|
||||
|
||||
for (let item of indexes) {
|
||||
buildGroup(item, $("#group-" + item.groupIndex));
|
||||
}
|
||||
|
||||
db.close();
|
||||
}
|
||||
;
|
||||
}
|
||||
|
||||
openDBRequest.onerror = function (e) { console.log(e); }
|
||||
|
||||
openDBRequest.onupgradeneeded = function (e) {
|
||||
// the database doesn't exist
|
||||
console.log("Creating database");
|
||||
db = e.target.result;
|
||||
|
||||
var data = window.localStorage.getItem("bookmarks");
|
||||
if (data != null) {
|
||||
console.log("Importing data from old version");
|
||||
data = JSON.parse(data);
|
||||
db.close();
|
||||
setList(data);
|
||||
window.localStorage.removeItem("bookmarks");
|
||||
} else {
|
||||
var groupStore = initDB(db);
|
||||
|
||||
// add example bookmarks
|
||||
var exBookmarks = db.createObjectStore("Examples", { autoIncrement: true });
|
||||
exBookmarks.createIndex("name", "name", { unique: false });
|
||||
exBookmarks.createIndex("address", "address", { unique: false });
|
||||
groupStore.add({ "title": "Examples", "groupIndex": 0 });
|
||||
|
||||
exBookmarks.add({
|
||||
"name": "Github",
|
||||
"address": "https://github.com/"
|
||||
});
|
||||
exBookmarks.add({
|
||||
"name": "This project on Github",
|
||||
"address": "https://github.com/NeilBrommer/NewTabPage"
|
||||
});
|
||||
exBookmarks.add({
|
||||
"name": "Hacker News",
|
||||
"address": "https://news.ycombinator.com/"
|
||||
});
|
||||
exBookmarks.add({
|
||||
"name": "reddit",
|
||||
"address": "https://www.reddit.com/"
|
||||
});
|
||||
|
||||
$("#aboutModal").modal("show");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function buildGroup(groupInfo, placeholder) {
|
||||
var groupTransaction = db.transaction([groupInfo.title], "readonly");
|
||||
var groupStore = groupTransaction.objectStore(groupInfo.title);
|
||||
var groupRequest = groupStore.getAll();
|
||||
groupRequest.onsuccess = function (e) {
|
||||
var bookmarks = e.target.result;
|
||||
|
||||
bookmarkList[groupInfo.groupIndex] = {
|
||||
"title": groupInfo.title,
|
||||
"bookmarks": bookmarks
|
||||
};
|
||||
|
||||
buildCard(groupInfo.title, bookmarks).appendTo(placeholder);
|
||||
}
|
||||
}
|
||||
|
||||
function buildCard(title, itemList) {
|
||||
var card = $(document.createElement("div"));
|
||||
card.attr({
|
||||
"id": "group-" + title,
|
||||
"class": "card bookmarkGroup"
|
||||
});
|
||||
|
||||
var cardHead = $(document.createElement("div"));
|
||||
cardHead.attr({ "class": "card-header" });
|
||||
cardHead.text(title);
|
||||
card.append(cardHead);
|
||||
|
||||
var cardList = $(document.createElement("div"));
|
||||
cardList.attr({ "class": "list-group list-group-flush" });
|
||||
card.append(cardList);
|
||||
|
||||
for (var i = 0; i < itemList.length; i++) {
|
||||
var item = itemList[i];
|
||||
var link = $(document.createElement("a"));
|
||||
link.attr({
|
||||
"class": "list-group-item list-group-item-action",
|
||||
"href": item.address
|
||||
});
|
||||
link.text(item.name);
|
||||
|
||||
cardList.append(link);
|
||||
}
|
||||
|
||||
return card;
|
||||
}
|
||||
|
||||
function selectGroupChanged(value) {
|
||||
var groupText = $("#createGroup");
|
||||
if (value == "--") {
|
||||
groupText.show();
|
||||
groupText.prop("required", true);
|
||||
} else {
|
||||
groupText.hide();
|
||||
groupText.prop("required", false);
|
||||
}
|
||||
}
|
||||
|
||||
function calcBackground() {
|
||||
var now = new Date();
|
||||
var hours = now.getHours();
|
||||
|
|
@ -307,46 +43,6 @@ function setBackground(num, dark) {
|
|||
}
|
||||
}
|
||||
|
||||
function getListString() {
|
||||
return JSON.stringify(bookmarkList, null, 4);
|
||||
}
|
||||
|
||||
function setList(data) {
|
||||
// empty the DB and fill it with the new data
|
||||
bookmarkList = data;
|
||||
|
||||
try {
|
||||
indexedDB.deleteDatabase("bookmarks");
|
||||
} catch (err) {
|
||||
// it's OK if the DB doesn't exist
|
||||
if (err.name != "NotFoundError") {
|
||||
console.error(err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
var openDBRequest = window.indexedDB.open("bookmarks", 1);
|
||||
|
||||
openDBRequest.onsuccess = function (e) {
|
||||
dbVersion = db.version;
|
||||
db.close();
|
||||
loadBookmarks();
|
||||
}
|
||||
|
||||
openDBRequest.onerror = function (err) { console.error(err); }
|
||||
|
||||
openDBRequest.onupgradeneeded = function (e) {
|
||||
console.log("filling db");
|
||||
db = e.target.result;
|
||||
|
||||
var groupStore = initDB(db);
|
||||
|
||||
// create the object stores
|
||||
for (var i = 0; i < data.length; i++) {
|
||||
addGroup(data[i], groupStore, db, i);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function initDB(db) {
|
||||
// use a table to keep track of the order of groups
|
||||
var groupStore = db.createObjectStore("groupIndexes", { keyPath: "title" });
|
||||
|
|
@ -354,46 +50,3 @@ function initDB(db) {
|
|||
groupStore.createIndex("groupIndex", "groupIndex", { unique: true });
|
||||
return groupStore;
|
||||
}
|
||||
|
||||
function addGroup(group, groupStore, db, index) {
|
||||
var objStore = db.createObjectStore(group.title, { autoIncrement: true });
|
||||
objStore.createIndex("name", "name", { unique: false });
|
||||
objStore.createIndex("address", "address", { unique: false });
|
||||
groupStore.add({ "title": group.title, "groupIndex": index });
|
||||
|
||||
var bookmarks = group.bookmarks;
|
||||
for (var i = 0; i < bookmarks.length; i++) {
|
||||
var bkmk = bookmarks[i];
|
||||
objStore.add({ "name": bkmk.name, "address": bkmk.address }, i);
|
||||
}
|
||||
}
|
||||
|
||||
function verifyBookmarks(bookmarks) {
|
||||
if (!Array.isArray(bookmarks))
|
||||
return false;
|
||||
|
||||
for (var i = 0; i < bookmarks.length; i++) {
|
||||
var item = bookmarks[i];
|
||||
|
||||
if (item == null || typeof item != "object")
|
||||
return false;
|
||||
|
||||
if (item.title == null || typeof item.title != "string")
|
||||
return false;
|
||||
|
||||
for (var j = 0; j < item.bookmarks.length; j++) {
|
||||
var bkmk = item.bookmarks[j];
|
||||
|
||||
if (bkmk == null || typeof bkmk != "object")
|
||||
return false;
|
||||
|
||||
if (bkmk.name == null || typeof bkmk.name != "string")
|
||||
return false;
|
||||
|
||||
if (bkmk.address == null || typeof bkmk.address != "string")
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue