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todo.js
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todo.js
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"use strict";
(function () {
function $(id) {
return document.getElementById(id);
}
var activeItem = 0;
var allItem = 0;
var data;
window.onload = function () {
let add = $("add");
let showAll = $("show-all");
let showActive = $("show-active");
let showCompleted = $("show-completed");
let clear = $("clear");
let doButton = $("do");
let undoButton = $("undo");
add.addEventListener("touchend", addTodoItem);
add.addEventListener("touchstart", function(){
add.style.backgroundColor = "rgba(100, 149, 237, 0.52)";
});
showAll.addEventListener("touchend", function(){
changeFilter("ALL");
});
showActive.addEventListener("touchend", function(){
changeFilter("ACTIVE");
});
showCompleted.addEventListener("touchend", function(){
changeFilter("COMPLETED");
});
clear.addEventListener("touchstart", function(){
clear.style.backgroundColor = "rgba(100, 149, 237, 0.52)";
});
clear.addEventListener("touchend", function(){
clearCompleted();
clear.style.backgroundColor = "cornflowerblue";
});
doButton.addEventListener("touchstart", function(){
doButton.style.backgroundColor = "rgba(100, 149, 237, 0.52)";
});
doButton.addEventListener("touchend", function(){
doItems(true);
doButton.style.backgroundColor = "cornflowerblue";
});
undoButton.addEventListener("touchstart", function(){
undoButton.style.backgroundColor = "rgba(100, 149, 237, 0.52)";
});
undoButton.addEventListener("touchend", function(){
doItems(false);
undoButton.style.backgroundColor = "cornflowerblue";
});
model.init(function(){
data = model.data;
let items = data.items;
for(let i = items.length - 1; i >= 0; i--){
addTodoItem(null, items[i]);
}
$("todo").value = data.msg;
});
update();
};
function doItems(completed){
let list = $("list");
let i = 0, len;
let child = list.firstChild;
len = list.childElementCount - 1;
while(i < len) {
let next = child.nextSibling;
data.items[i].completed = completed;
model.flush();
child.firstElementChild.firstElementChild.className = completed ? "recoverButton" : "completeButton";
child.firstElementChild.firstElementChild.nextElementSibling.className = completed ? "todo-text-done" : "todo-text";
i++;
child = next;
}
activeItem = completed ? 0 : allItem;
update();
}
function clearCompleted(){
let list = $("list");
let i = 0, len;
let child = list.firstChild;
len = list.childElementCount - 1;
while(i < len) {
let next = child.nextSibling;
if(data.items[i].completed){
list.removeChild(child);
data.items.splice(i, 1);
model.flush();
i--;
len--;
allItem--;
}
i++;
child = next;
}
update();
}
function changeFilter(filter){
let list = $("list");
let showAll = $("show-all");
let showActive = $("show-active");
let showCompleted = $("show-completed");
if(filter === "ALL"){
showAll.className = "item-type-active";
showActive.className = "item-type";
showCompleted.className = "item-type";
showAll.style.zIndex = "2";
showActive.style.zIndex = "1";
showCompleted.style.zIndex = "0";
model.data.filter = "ALL";
let i = 0, len;
let child = list.firstChild;
len = list.childElementCount - 1;
while(i < len) {
child.style.display = "block";
i++;
child = child.nextSibling;
}
}
else if(filter === "ACTIVE"){
showActive.className = "item-type-active";
showAll.className = "item-type";
showCompleted.className = "item-type";
showAll.style.zIndex = "1";
showActive.style.zIndex = "2";
showCompleted.style.zIndex = "0";
model.data.filter = "ACTIVE";
let i = 0, len;
let child = list.firstChild;
len = list.childElementCount - 1;
while(i < len) {
child.style.display = data.items[i].completed ? "none" : "block";
i++;
child = child.nextSibling;
}
}
else if(filter === "COMPLETED"){
showCompleted.className = "item-type-active";
showActive.className = "item-type";
showAll.className = "item-type";
showCompleted.style.zIndex = "2";
showAll.style.zIndex = "0";
showActive.style.zIndex = "1";
model.data.filter = "COMPLETED";
let i = 0, len;
let child = list.firstChild;
len = list.childElementCount - 1;
while(i < len) {
child.style.display = data.items[i].completed ? "block" : "none";
i++;
child = child.nextSibling;
}
}
model.flush();
let nothing = $("nothing");
if((allItem === activeItem && model.data.filter === "COMPLETED") ||
(activeItem === 0 && allItem > 0 && model.data.filter === "ACTIVE")){
nothing.style.display = "block";
}
else{
nothing.style.display = "none";
}
$("clear").style.display = (allItem - activeItem > 0 && model.data.filter !== "ACTIVE") ? "block" : "none";
}
function findIndex(parent, target){
var i, len;
var child = parent.firstChild;
i = 0;
len = parent.childElementCount - 1;
while(i < len) {
if(child === target) {
return i;
}
i++;
child = child.nextSibling;
}
}
function addTodoItem(event, stItem) {
let input = $("todo");
let list = $("list");
if (input.value || stItem) {
if(input.value){
data.items.unshift({
msg: input.value,
completed: false
});
}
model.flush();
let node = document.createElement("div");
node.className = "list-item";
let item = document.createElement("div");
item.className = "todo-item";
node.appendChild(item);
let text = document.createElement("span");
text.className = (stItem && stItem.completed) ? "todo-text-done" : "todo-text";
text.innerHTML = stItem ? stItem.msg : input.value;
item.appendChild(text);
let buttons = document.createElement("div");
buttons.className = "buttons";
item.appendChild(buttons);
let completeButton = document.createElement("button");
completeButton.className = (stItem && stItem.completed) ? "recoverButton" : "completeButton";
completeButton.innerHTML = "√";
completeButton.addEventListener("touchend", function () {
if (completeButton.className === "completeButton") {
completeButton.className = "recoverButton";
text.className += "-done";
activeItem--;
data.items[findIndex(list, node)].completed = true;
model.flush();
update();
}
else if (completeButton.className === "recoverButton") {
completeButton.className = "completeButton";
text.className = "todo-text";
activeItem++;
data.items[findIndex(list, node)].completed = false;
model.flush();
update();
}
}, false);
item.insertBefore(completeButton, item.firstChild);
let delButton = document.createElement("button");
delButton.className = "delButton";
delButton.innerHTML = "×";
delButton.addEventListener("touchend", function () {
data.items.splice(findIndex(list, node), 1);
model.flush();
list.removeChild(node);
if(completeButton.className === "completeButton")
activeItem--;
allItem--;
update();
}, false);
buttons.appendChild(delButton);
list.insertBefore(node, list.firstChild);
var longClick = 0;
var timeOutEvent;
text.addEventListener("touchstart", function(){
longClick=0;
timeOutEvent = setTimeout(function(){
longClick = 1;
clearTimeout(timeOutEvent);
if(timeOutEvent !== 0 && longClick === 1 && completeButton.className === "completeButton"){
item.className += "-editing";
node.className += "-editing";
var edit = document.createElement("input");
edit.className = "edit";
edit.type = "text";
edit.value = text.innerHTML;
edit.placeholder = text.innerHTML;
edit.maxLength = "15";
// noinspection JSAnnotator
function finish(){
item.className = "todo-item";
node.className = "list-item";
node.removeChild(edit);
node.removeChild(save);
}
edit.addEventListener("blur", finish);
var save = document.createElement("div");
save.className = "todo-button";
save.innerHTML = "Save";
save.addEventListener("touchend", function () {
if(edit.value) {
text.innerHTML = edit.value;
data.items[findIndex(list, node)].msg = edit.value;
model.flush();
}
item.className = "todo-item";
node.className = "list-item";
edit.style.display = "none";
save.style.display = "none";
});
node.appendChild(edit);
node.appendChild(save);
edit.focus();
}
longClick = 0;
},1000);
});
text.addEventListener("touchmove", function(e){
console.log("move");
clearTimeout(timeOutEvent);
timeOutEvent = 0;
e.preventDefault();
});
text.addEventListener("touchend", function(){
clearTimeout(timeOutEvent);
});
activeItem += (stItem && stItem.completed) ? 0 : 1;
allItem++;
update();
input.value = "";
}
$("add").style.backgroundColor = "cornflowerblue";
}
function update(){
updateActiveItem();
changeFilter(model.data.filter);
}
function updateActiveItem() {
$("active").innerHTML = (activeItem !== 0 ? activeItem : "No") + " items left";
$("bottom").style.display = allItem !== 0 ? "block" : "none";
$("do-undo").style.display = allItem !== 0 ? "block" : "none";
}
})();