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script.js
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script.js
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const addBtns = document.querySelectorAll('.add-btn:not(.solid)');
const saveItemBtns = document.querySelectorAll('.solid');
const addItemContainers = document.querySelectorAll('.add-container');
const addItems = document.querySelectorAll('.add-item');
// Columns
const allColumnsUl = document.querySelectorAll('.drag-item-list');
const backlogList = document.getElementById('backlogList');
const progressList = document.getElementById('progressList');
const completeList = document.getElementById('completeList');
const onHoldList = document.getElementById('onHoldList');
// State of project
let backlogListArray = [];
let progressListArray = [];
let completeListArray = [];
let onHoldListArray = [];
let listArrays = [];
// Drag Functionality
let draggedItem;
// Starts dragging
const drag = (e) => {
draggedItem = e.target;
};
// Allows item to be dropped
const allowDrop = (e) => {
e.preventDefault();
};
//When you drag over ul column
const dragEnter = (column) => {
allColumnsUl[column].classList.add('over');
};
//When you drag out of ul column
const dragLeave = (column) => {
allColumnsUl[column].classList.remove('over');
};
const changeArrayHelper = (nameArray, list) => {
if (nameArray.length !== list.children.length) {
nameArray.length = 0;
for (let item of list.children) {
nameArray.push(item.innerText);
}
}
// Updating array if you click and updated text(contentEditable)
for (let i = 0; i < nameArray.length; i++) {
if (nameArray[i] !== list.children[i].innerText) {
nameArray.splice(i, 1, list.children[i].innerText);
}
}
};
// Set localStorage Arrays
const arraysSendToLocalStorage = () => {
listArrays = [
backlogListArray,
progressListArray,
completeListArray,
onHoldListArray,
];
const arrayNames = ['backlog', 'progress', 'complete', 'onHold'];
listArrays.forEach((array, idx) => {
localStorage.setItem(`${arrayNames[idx]}Items`, JSON.stringify(array));
});
};
//Arrays now reflect drag and drop changes
const updateStateArrays = () => {
changeArrayHelper(backlogListArray, backlogList);
changeArrayHelper(progressListArray, progressList);
changeArrayHelper(completeListArray, completeList);
changeArrayHelper(onHoldListArray, onHoldList);
arraysSendToLocalStorage();
};
// Dropping item
const drop = (e, column) => {
e.preventDefault();
allColumnsUl[column].classList.remove('over');
//Add item to column
const parent = allColumnsUl[column];
parent.appendChild(draggedItem);
updateStateArrays();
};
// listeners for dragging functionality
const addDragNDropListeners = () => {
allColumnsUl.forEach((ul, idx) => {
ul.addEventListener('dragover', allowDrop);
ul.addEventListener('dragenter', () => dragEnter(idx));
ul.addEventListener('dragleave', () => dragLeave(idx));
ul.addEventListener('drop', (e) => drop(e, idx));
});
};
// Get Arrays from localStorage if available, set default values if not
const getSavedColumns = () => {
if (localStorage.getItem('backlogItems')) {
backlogListArray = JSON.parse(localStorage.backlogItems);
progressListArray = JSON.parse(localStorage.progressItems);
completeListArray = JSON.parse(localStorage.completeItems);
onHoldListArray = JSON.parse(localStorage.onHoldItems);
}
};
// Create DOM Elements for each list item
const createItemEl = (ulToAppend, item) => {
// List Item
const listEl = document.createElement('li');
listEl.classList.add('drag-item');
listEl.innerText = item;
//Making text editable (if edited synch with arrays of data)
listEl.contentEditable = true;
listEl.addEventListener('focusout', (e) => {
if (e.target.innerText.length === 0 || e.target.innerText === '\n') {
e.target.remove();
}
updateStateArrays();
});
// Making draggable
listEl.draggable = true;
listEl.addEventListener('dragstart', drag);
ulToAppend.appendChild(listEl);
};
// Creating columns based on arrays in localstorage
const updateDOM = () => {
// Check localStorage once
getSavedColumns();
backlogListArray.forEach((text) => {
createItemEl(backlogList, text);
});
progressListArray.forEach((text) => {
createItemEl(progressList, text);
});
completeListArray.forEach((text) => {
createItemEl(completeList, text);
});
onHoldListArray.forEach((text) => {
createItemEl(onHoldList, text);
});
};
updateDOM();
addDragNDropListeners();
//Listeners+Buttons functionality
const addText = (text, column) => {
if (text.length) {
createItemEl(allColumnsUl[column], text);
updateStateArrays();
}
addItems[column].innerText = '';
};
const showInputBox = (column) => {
addBtns[column].style.visibility = 'hidden';
saveItemBtns[column].style.display = 'flex';
addItemContainers[column].style.display = 'flex';
};
const hideInputBox = (column) => {
addBtns[column].style.visibility = 'visible';
saveItemBtns[column].style.display = 'none';
addItemContainers[column].style.display = 'none';
addText(addItems[column].innerText, column);
};
//Add + Save button listeners
const addItemListeners = () => {
addBtns.forEach((item, idx) => {
item.addEventListener('click', () => showInputBox(idx));
});
};
const addSaveListeners = () => {
saveItemBtns.forEach((item, idx) => {
item.addEventListener('click', () => hideInputBox(idx));
});
};
addItemListeners();
addSaveListeners();