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Finished V1.

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This commit is contained in:
Jonathan Bernard 2019-08-04 22:06:00 -05:00
parent f795511daa
commit ff3702bb67
4 changed files with 476 additions and 274 deletions
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1
.gitignore vendored Normal file
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*.sw?

196
flashcards.css Normal file
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* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
font-family: sans-serif;
}
body {
display: flex;
flex-direction: column;
}
.title {
font-size: 1.5em;
margin: 1rem auto;
}
#settings {
display: flex;
flex-direction: column;
flex-grow: 1;
}
#settings label {
display: block;
margin-top: .5rem;
}
#settings textarea {
flex-grow: 2;
font-size: 100%;
}
#settings input, #settings select {
font-size: 100%;
flex-grow: 1;
}
button {
background-color: #FFF;
border: solid thin #000;
border-radius: 4px;
cursor: pointer;
font-size: inherit;
padding: .2em .5em;
}
.btn-primary {
background-color: #1CB841;
border: 0;
border-radius: 4px;
color: #FFF;
}
#settings .visibility-indicator {
display: inline-block;
transition: all linear 0.2s;
}
#settings #adv-settings {
max-height: 0;
overflow: hidden;
transition: max-height linear 0.3s;
}
#settings.adv-settings-visible #adv-settings {
max-height: 40%;
overflow-y: scroll;
}
#settings.adv-settings-visible .visibility-indicator {
transform: rotate(90deg);
}
.toggle-adv-settings {
cursor: pointer;
}
#adv-settings > * {
margin: 0 1rem;
}
#adv-settings label {
display: flex;
padding: 0 .5rem;
}
#adv-settings label span,
#adv-settings label select,
#adv-settings label input {
flex-grow: 0;
min-width: 12em;
}
#adv-settings button {
margin: 0 0.5em;
}
input[name=importFileName] {
display: none;
}
#cards {
align-items: center;
display: flex;
flex-direction: column;
flex-grow: 1;
justify-content: space-around;
}
#card-content { margin: auto; }
#card-content.small-text{ font-size: 100%; }
#card-content.medium-text{ font-size: 200%; }
#card-content.large-text{ font-size: 800%; }
/* Card View Visible */
#settings {
display: none;
}
/* Settings Visible */
.settings-visible #settings {
display: flex;
}
.settings-visible #cards {
display: none;
}
/* Mobile View */
@media ( max-width: 600px ) {
body {
font-size: 125%;
height: calc(100vh - 1em);
margin: 0.5em;
width: calc(100vw - 1em);
}
#settings {
align-items: stretch;
}
#settings > button, #cards > button {
font-size: 125%;
margin: 1em auto;
padding: 0.5em 3em;
}
.medium-only, .large-only { display: none; }
}
/* Tablet View */
@media (max-width: 1279px) and (min-width: 601px) {
body {
font-size: 125%;
margin: 1em;
height: calc(100vh - 2em);
width: calc(100vw - 2em);
}
#settings > button, #cards > button {
font-size: 125%;
margin: 1em auto;
padding: 0.5em 3em;
}
.small, .small-only, .large-only { display: none; }
}
/* Desktop View */
@media (min-width: 1280px) {
body {
font-size: 150%;
margin: 2em auto;
min-height: calc(100vh - 4em);
width: 32em;
}
#settings button, #cards button {
align-self: flex-end;
}
.small, .medium, .small-only, .medium-only { display: none; }
}
#debug {
/* display: none; */
position: absolute;
bottom: 0;
right: 0;
}

309
flashcards.html
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@ -3,268 +3,9 @@
<head>
<title>Simple Flashcards</title>
<meta charset=utf-8>
<style type="text/css">
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
font-family: sans-serif;
}
body {
display: flex;
flex-direction: column;
}
.title {
font-size: 1.5em;
margin: 1rem auto;
}
#settings {
display: flex;
flex-direction: column;
flex-grow: 1;
opacity: 0;
}
#settings label {
display: block;
margin-top: 1.5rem;
}
#settings textarea {
flex-grow: 2;
font-size: 100%;
}
#settings input, #settings select {
font-size: 100%;
flex-grow: 1;
}
#adv-settings label {
display: flex;
}
#adv-settings label span {
flex-grow: 1;
}
button {
background-color: #FFF;
border: solid thin #000;
border-radius: 4px;
cursor: pointer;
font-size: inherit;
padding: .2em .5em;
}
.btn-primary {
background-color: #1CB841;
border: 0;
border-radius: 4px;
color: #FFF;
}
#settings .visibility-indicator {
display: inline-block;
transition: all linear 0.2s;
}
#settings #adv-settings {
max-height: 0;
overflow: hidden;
transition: max-height linear 0.3s;
}
#settings.adv-settings-visible .visibility-indicator {
transform: rotate(90deg);
}
.toggle-adv-settings {
cursor: pointer;
}
/* Settings Visible */
#settings {
transition: opacity 0.2s linear;
z-index: -1;
}
.settings-visible #settings {
opacity: 1;
z-index: 1;
}
/* Card View Visible */
#cards {
opacity: 1;
transition: opacity 0.2s linear;
transition-delay: 0.2s;
z-index: 1;
}
.settings-visible #cards {
opacity: 0;
z-index: -1;
}
/* Mobile View */
@media ( max-width: 600px ) {
body {
font-size: 125%;
height: calc(100vh - 1em);
margin: 0.5em;
width: calc(100vw - 1em);
}
#settings {
align-items: stretch;
}
#settings > button {
font-size: 125%;
margin: 1em auto;
padding: 0.5em 3em;
}
#settings.adv-settings-visible #adv-settings {
max-height: 12em;
}
}
/* Tablet View */
@media (max-width: 1279px) and (min-width: 601px) {
body {
font-size: 125%;
margin: 1em;
height: calc(100vh - 2em);
width: calc(100vw - 2em);
}
#settings > button {
font-size: 125%;
margin: 1em auto;
padding: 0.5em 3em;
}
#settings.adv-settings-visible #adv-settings {
max-height: 10em;
}
}
/* Desktop View */
@media (min-width: 1280px) {
body {
font-size: 150%;
margin: 2em auto;
min-height: calc(100vh - 4em);
width: 32em;
}
#settings button {
align-self: flex-end;
}
#settings.adv-settings-visible #adv-settings {
max-height: 8em;
}
}
</style>
<script>
const FC = {
items: [],
slidePeriod: 3,
nextCardIdx: 0,
cardOrder: []
};
// http://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
// modified to be a pure function, not mutating it's input
FC.shuffle = function(inArray) {
var currentIndex = inArray.length
, temporaryValue
, randomIndex
;
var outArray = inArray.slice(0);
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = outArray[currentIndex];
outArray[currentIndex] = outArray[randomIndex];
outArray[randomIndex] = temporaryValue;
}
return outArray;
}
FC.isRunning = function() {
return !FC.bodyEl.classList.contains('settings-visible');
}
FC.toggleAdvSettings = function() {
FC.settingsEl.classList.toggle('adv-settings-visible');
}
FC.startCards = function() {
FC.items = FC.itemsEl.value.split('\n');
FC.slidePeriod =
parseInt(FC.settingsEl.querySelector('input[name=slidePeriod]').value);
FC.nextCardIdx = 0;
const orderedIndices = [...Array(FC.items.length).keys()];
switch (document.querySelector('select[name=cardOrder]').value) {
default:
case 'in-order':
FC.cardOrder = orderedIndices;
break;
case 'reverse':
FC.cardOrder = orderedIndices.reverse();
break;
case 'random':
FC.cardOrder = FC.shuffle(orderedIndices);
}
FC.showNextCard();
FC.runningInterval = setInterval(FC.showNextCard, FC.slidePeriod * 1000);
FC.bodyEl.classList.remove('settings-visible');
}
FC.stopCards = function() {
clearInterval(FC.runningInterval);
FC.bodyEl.classList.add('settings-visible');
}
FC.showNextCard = function() {
const curItem = FC.items[FC.cardOrder[FC.nextCardIdx]];
FC.cardContentEl.innerHTML = curItem;
FC.nextCardIdx = (FC.nextCardIdx + 1) % FC.items.length;
}
window.onload = function() {
FC.settingsEl = document.querySelector('#settings');
FC.itemsEl = document.querySelector('#items-input');
FC.bodyEl = document.querySelector('body');
FC.cardsEl = document.querySelector('#cards');
FC.cardContentEl = document.querySelector('#card-content');
}
</script>
<link rel=stylesheet href=flashcards.css type="text/css">
<script src='flashcards.js'></script>
</head>
<body class=settings-visible>
@ -272,7 +13,9 @@ button {
<form id=settings action=#>
<label>Items</label>
<textarea id=items-input></textarea>
<label class=toggle-adv-settings onclick=FC.toggleAdvSettings()>Advanced Settings <span class=visibility-indicator>➤</span></label>
<label class=toggle-adv-settings>Advanced Settings
<span class=visibility-indicator>➤</span>
</label>
<div id=adv-settings>
<label>
<span>Seconds per slide:</span>
@ -285,24 +28,44 @@ button {
<option value=reverse>in reverse order.</option>
<option value=random>in random order.</option>
</select>
<label>
<span>Saved sets:</span>
<select name=loadSetName disabled>
<option>choose a set to load</option>
</select>
<button disabled>Load</button>
</label>
<label>
<span>Save this set as:</span>
<input type=text name=saveSetname disabled>
<button disabled>Save</button>
<span>Text size: </span>
<select name=textSize>
<option>small</option>
<option>medium</option>
<option>large</option>
</select>
</label>
<label>
<span>Saved card sets:</span>
<select name=loadSetName>
<option value=_NULL_>choose a set to load</option>
</select>
<button id=load-set>Load</button>
<button id=delete-set>Delete</button>
</label>
<label>
<span>Save this card set as:</span>
<input type=text name=saveSetName>
<button id=save-set>Save</button>
</label>
<label>
<button id=export>Export Cards</button>
<button id=import>Import Cards</button>
<input name=importFileName type=file accept='.json'>
</label>
</div>
<button class=btn-primary onclick=FC.startCards()>Go!</button>
<button class=btn-primary id=start-button>Go!</button>
</form>
<div id=cards>
<div id=card-content>
<div id=card-content></div>
<button id=stop-button>Stop</button>
</div>
<div id=debug>
<span class=small-only>small</span>
<span class=medium-only>medium</span>
<span class=large-only>large</span>
</div>
</body>
</html>

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flashcards.js Normal file
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(function() {
const FC = {
currentSet: [],
items: [],
nextCardIdx: 0,
cardOrder: [], // elements are objects: { name: 'abc', cards: 'xyz' }
savedSets: [],
$: document.querySelector.bind(document)
};
FC.shuffle = function(inArray) {
/* http://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
* modified to be a pure function, not mutating it's input */
var currentIndex = inArray.length
, temporaryValue
, randomIndex
;
var outArray = inArray.slice(0);
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = outArray[currentIndex];
outArray[currentIndex] = outArray[randomIndex];
outArray[randomIndex] = temporaryValue;
}
return outArray;
};
FC.isRunning = function() {
return !FC.bodyEl.classList.contains('settings-visible');
};
FC.toggleAdvSettings = function(ev) {
FC.settingsEl.classList.toggle('adv-settings-visible');
};
FC.makeSetFromSettings = function(ev) {
if (ev && ev.preventDefault) ev.preventDefault();
const newSet = {
name: (FC.currentSet || {}).name ||
FC.$('input[name=saveSetName]').value ||
'new set',
cards: FC.itemsEl.value,
slidePeriod: parseInt(FC.$('input[name=slidePeriod]').value) || 3,
textSize: FC.$('select[name=textSize]').value || 'small',
sortOrder: FC.$('select[name=cardOrder]').value || 'in-order'
};
return newSet;
};
FC.populateSettingsFromSet = function(set) {
FC.$('input[name=saveSetName]').value = set.name;
FC.itemsEl.value = set.cards;
FC.$('input[name=slidePeriod]').value = set.slidePeriod;
FC.$('select[name=cardOrder]').value = set.sortOrder;
FC.$('select[name=textSize]').value = set.textSize;
};
FC.startCards = function(ev) {
/* Handler for the "Go!" button that starts the flashcard display. */
ev.preventDefault();
FC.currentSet = FC.makeSetFromSettings();
FC.items = FC.currentSet.cards.split('\n');
FC.cardContentEl.classList.remove(
'small-text', 'medium-text', 'large-text');
FC.cardContentEl.classList.add(FC.currentSet.textSize + '-text');
FC.nextCardIdx = 0;
const orderedIndices = [...Array(FC.items.length).keys()];
switch (FC.currentSet.sortOrder) {
default:
case 'in-order':
FC.cardOrder = orderedIndices;
break;
case 'reverse':
FC.cardOrder = orderedIndices.reverse();
break;
case 'random':
FC.cardOrder = FC.shuffle(orderedIndices);
}
FC.showNextCard();
FC.runningInterval = setInterval(FC.showNextCard, FC.currentSet.slidePeriod * 1000);
FC.bodyEl.classList.remove('settings-visible');
};
FC.stopCards = function(ev) {
clearInterval(FC.runningInterval);
FC.bodyEl.classList.add('settings-visible');
};
FC.showNextCard = function() {
const curItem = FC.items[FC.cardOrder[FC.nextCardIdx]];
FC.cardContentEl.innerHTML = curItem;
FC.nextCardIdx = (FC.nextCardIdx + 1) % FC.items.length;
};
FC.handleLoadSet = function(ev) {
ev.preventDefault();
const setName = FC.$('select[name=loadSetName]').value;
if (setName === '_NULL_') {
alert("Can't load: no set selected.");
return;
}
const setToLoad = FC.savedSets.find(item => item.name === setName);
FC.populateSettingsFromSet(setToLoad);
};
FC.handleDeleteSet = function(ev) {
if (ev) ev.preventDefault();
const setName = FC.$('select[name=loadSetName]').value;
if (setName === '_NULL_') {
alert("Can't delete: no set selected.");
return;
}
FC.savedSets = FC.savedSets.filter(set => set.name !== setName);
FC.storeSets(FC.savedSets);
FC.updateSetList(FC.savedSets);
}
FC.handleSaveSet = function(ev) {
if (ev) ev.preventDefault();
const newSet = FC.makeSetFromSettings();
FC.saveSet(newSet);
}
FC.saveSet = function(newSet) {
// Look for an existing set with this name
const existingIdx = FC.savedSets.findIndex(set => set.name === newSet.name);
if (existingIdx < 0) FC.savedSets.push(newSet);
else FC.savedSets[existingIdx] = newSet;
FC.storeSets(FC.savedSets);
FC.updateSetList(FC.savedSets);
};
FC.updateSetList = function(sets) {
const setSelectEl = FC.$('select[name=loadSetName]');
var newHtml = '<option value=_NULL_>choose a set to load</option>';
newHtml += sets.map(set => '<option>' + set.name + '</option>');
setSelectEl.innerHTML = newHtml;
}
FC.storeSets = function(cardSets) {
window.localStorage.setItem('cardSets', JSON.stringify(cardSets));
};
FC.retrieveSets = function() {
return JSON.parse(window.localStorage.getItem('cardSets') || "[]");
};
FC.exportCardSet = function(ev) {
ev.preventDefault();
const setToExport = FC.makeSetFromSettings();
const blob = new Blob(
[JSON.stringify(setToExport)],
{type: 'text/json;charset=utf-8', endings: 'native' });
const downloadLink = document.createElement('a');
downloadLink.href = window.URL.createObjectURL(blob);
downloadLink.download = setToExport.name + '.json';
downloadLink.style.display = 'none';
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
};
FC.importCardSet = function(ev) {
ev.preventDefault();
const fileInput = FC.$('input[name=importFileName]');
fileInput.click();
};
FC.handleImport = function(ev) {
if (this.files.length === 0 || !this.files[0]) return;
const fileToImport = this.files[0];
console.log("Importing file: ", fileToImport);
const reader = new FileReader();
reader.onload = function(readEv) {
const importedSet = JSON.parse(readEv.target.result);
FC.saveSet(importedSet);
FC.storeSets(FC.savedSets);
FC.updateSetList(FC.savedSets);
FC.populateSettingsFromSet(importedSet);
};
reader.readAsText(fileToImport);
};
window.onload = function() {
// Cached element references
FC.settingsEl = FC.$('#settings');
FC.itemsEl = FC.$('#items-input');
FC.bodyEl = FC.$('body');
FC.cardsEl = FC.$('#cards');
FC.cardContentEl = FC.$('#card-content');
// Event handlers
FC.$('.toggle-adv-settings').addEventListener('click', FC.toggleAdvSettings);
FC.$('#start-button').addEventListener('click', FC.startCards);
FC.$('#stop-button').addEventListener('click', FC.stopCards);
FC.$('#export').addEventListener('click', FC.exportCardSet);
FC.$('#import').addEventListener('click', FC.importCardSet);
FC.$('input[name=importFileName]')
.addEventListener('change', FC.handleImport);
FC.$('#save-set').addEventListener('click', FC.handleSaveSet);
FC.$('#load-set').addEventListener('click', FC.handleLoadSet);
FC.$('#delete-set').addEventListener('click', FC.handleDeleteSet);
// Load saved flashcard lists
FC.savedSets = FC.retrieveSets();
FC.updateSetList(FC.savedSets);
};
window.FC = FC;
})();