diff --git a/homework/content.js b/homework/content.js
index 710be28..aa9dd49 100644
--- a/homework/content.js
+++ b/homework/content.js
@@ -1,37 +1,50 @@
'use strict';
-(function() {
- var _wrapper = document.querySelector('#note-content-wrapper');
+(function(exports) {
- function start() {
- window.addEventListener('note-open', function(event) {
- var note = event.detail;
- resetWrapper();
- drawNote(note);
- });
- }
+var NoteContentManager = function() {
+ // Will be an element as the content wrapper.
+ this._wrapper = null;
+};
- function resetWrapper() {
- _wrapper.innerHTML = '';
- }
+NoteContentManager.prototype = {
+
+ drawNote(note){
+ var title = note.title;
+ var h = document.createElement('h2');
+ h.textContent = title;
+ var passages = note.passages;
+ var buff = document.createDocumentFragment();
+ passages.forEach(function(passage) {
+ var p = document.createElement('p');
+ p.classList.add('note-passage');
+ p.textContent = passage;
+ buff.appendChild(p);
+ });
+ this._wrapper.appendChild(h);
+ this._wrapper.appendChild(buff);
+ },
+
+ resetWrapper(){
+ this._wrapper.innerHTML = '';
+ },
+
+ handleEvent(event) {
+ switch (event.type) {
+ case 'note-open':
+ var note = event.detail;
+ this.resetWrapper();
+ this.drawNote(note);
+ break;
+ }
+ },
- function drawNote(note) {
- var title = note.title;
- var h = document.createElement('h2');
- h.textContent = title;
- var passages = note.passages;
- var buff = document.createDocumentFragment();
- passages.forEach(function(passage) {
- var p = document.createElement('p');
- p.classList.add('note-passage');
- p.textContent = passage;
- buff.appendChild(p);
- });
- _wrapper.appendChild(h);
- _wrapper.appendChild(buff);
+ start() {
+ window.addEventListener('note-open', this);
+ this._wrapper = document.querySelector('#note-content-wrapper');
}
+};
+
+exports.NoteContentManager = NoteContentManager;
+})(window);
- document.addEventListener('DOMContentLoaded', function(event) {
- start();
- });
-})();
diff --git a/homework/index.html b/homework/index.html
index e387963..ad28075 100644
--- a/homework/index.html
+++ b/homework/index.html
@@ -3,6 +3,7 @@
Homework - Note List
+
diff --git a/homework/list.js b/homework/list.js
index 21eddbc..9dfacf3 100644
--- a/homework/list.js
+++ b/homework/list.js
@@ -1,79 +1,91 @@
'use strict';
-(function() {
+(function(exports) {
- var _listNoteContent = [];
- var _wrapper = document.querySelector('#note-list-wrapper');
+var NoteListManager = function() {
+
+ this._listNoteContent = [];
+ // Will be an element as the list wrapper.
+ this._wrapper = null;
+};
- function start() {
- fetchList(function(data) {
- updateList(data);
- drawList();
- preloadFirstNote();
- });
- window.addEventListener('click', function(event) {
- onNoteOpen(event);
- });
- }
+NoteListManager.prototype = {
- function onNoteOpen(event) {
- if (event.target.classList.contains('note-title')) {
- var id = event.target.dataset.noteId;
- var content = _listNoteContent[id];
- window.dispatchEvent(new CustomEvent('note-open',
- { detail: content }));
- };
- }
+ fetchList(){
+ return new Promise((function(resolve, reject){
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', 'http://127.0.0.1:8000/demo-list-notes.json', true);
+ xhr.responseType = 'json';
+ xhr.onreadystatechange = function(e) {
+ // Watch out: we have a mysterious unknown 'this'.
+ if (this.readyState === 4 && this.status === 200) {
+ var listData = this.response;
+ // The flow ends here.
+ resolve(listData);
+ } else if (this.status !== 200 ){
+ reject('FETCHING FAILED: ' + this.status + ' ' + this.readyState);
+ }
+ };
+ xhr.send();
+ }).bind(this))
+ },
- function preloadFirstNote() {
- if (_listNoteContent.length !== 0) {
- var content = _listNoteContent[0];
- window.dispatchEvent(new CustomEvent('note-open',
- { detail: content }));
- }
- }
+ drawList() {
+ var ul = document.createElement('ul');
+ ul.id = 'note-title-list';
+ var buff = document.createDocumentFragment();
+ this._listNoteContent.forEach(function(note, i) {
+ var li = document.createElement('li');
+ li.dataset.noteId = i;
+ li.classList.add('note-title');
+ li.textContent = note.title;
+ // Note: buff is captured, so we now have a
+ // little closure naturally.
+ buff.appendChild(li);
+ });
+ ul.appendChild(buff);
+ this._wrapper.appendChild(ul);
+ },
+
+ preloadFirstNote() {
+ if (this._listNoteContent.length !== 0) {
+ var content = this._listNoteContent[0];
+ window.dispatchEvent(new CustomEvent('note-open',
+ { detail: content }));
+ }
+ },
+
+ handleEvent(event) {
+ switch (event.type) {
+ case 'click':
+ this.onNoteOpen(event);
+ break;
+ }
+ },
+
+ onNoteOpen(event) {
+ if (event.target.classList.contains('note-title')) {
+ var id = event.target.dataset.noteId;
+ var content = this._listNoteContent[id];
+ window.dispatchEvent(new CustomEvent('note-open',
+ { detail: content }));
+ };
+ },
- function updateList(list) {
- _listNoteContent = list;
- }
+ start() {
+ // Register the handler .
+ window.addEventListener('click', this);
+ this._wrapper = document.querySelector('#note-list-wrapper');
+ this.fetchList()
+ .then((function(response) {
+ // First initialization.
+ this._listNoteContent = response;
+ this.drawList(response);
+ this.preloadFirstNote();
+ }).bind(this));
+ }
+};
- function drawList() {
- var list = _listNoteContent;
- var ul = document.createElement('ul');
- ul.id = 'note-title-list';
- var buff = document.createDocumentFragment();
- list.forEach(function(note, i) {
- var li = document.createElement('li');
- li.dataset.noteId = i;
- li.classList.add('note-title');
- li.textContent = note.title;
- // Note: buff is captured, so we now have a
- // little closure naturally.
- buff.appendChild(li);
- });
- ul.appendChild(buff);
- _wrapper.appendChild(ul);
- }
+exports.NoteListManager = NoteListManager;
+})(window);
- function fetchList(afterFetch) {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', 'http://127.0.0.1:8000/demo-list-notes.json', true);
- xhr.responseType = 'json';
- xhr.onreadystatechange = function(e) {
- // Watch out: we have a mysterious unknown 'this'.
- if (this.readyState === 4 && this.status === 200) {
- var listData = this.response;
- // The flow ends here.
- afterFetch(listData);
- } else if (this.status !== 200 ){
- // Ignore error in this case.
- }
- };
- xhr.send();
- }
-
- document.addEventListener('DOMContentLoaded', function(event) {
- start();
- });
-
-})();
diff --git a/homework/main.js b/homework/main.js
new file mode 100644
index 0000000..680de05
--- /dev/null
+++ b/homework/main.js
@@ -0,0 +1,9 @@
+'use strict';
+
+ // Kick off
+document.addEventListener('DOMContentLoaded', function(event) {
+ var noteContentManager = new NoteContentManager();
+ var noteListManager = new NoteListManager();
+ noteContentManager.start();
+ noteListManager.start();
+});
diff --git a/homework/test/test-list.js b/homework/test/test-list.js
index 441fc45..7f31d06 100644
--- a/homework/test/test-list.js
+++ b/homework/test/test-list.js
@@ -5,4 +5,9 @@ describe('Test > ', function() {
it('will test some pure functions', function() {
// Write any pure function assertion here.
});
+
+ it('simple test case', function(){
+ assert.equal(1+1,2);
+ });
+
});