diff --git a/index.html b/index.html
index 4e00a66..455229f 100644
--- a/index.html
+++ b/index.html
@@ -35,7 +35,7 @@ Загрузка фотограф
diff --git a/js/constant.js b/js/constant.js
index 932942a..4e57fdd 100644
--- a/js/constant.js
+++ b/js/constant.js
@@ -1,3 +1,11 @@
+export const FILE_TYPES = ['jpg', 'jpeg', 'png', 'pdf'];
+
+export const PICTURES_COUNT = 10;
+
+export const TIME_OUT_DELAY = 500;
+
+export const SHOW_TIME = 5000;
+
export const MIN_POSTS_COUNT = 1;
export const MAX_POSTS_COUNT = 25;
export const AVATAR_MIN_COUNT = 1;
diff --git a/js/filters.js b/js/filters.js
index 8b13789..56a6de7 100644
--- a/js/filters.js
+++ b/js/filters.js
@@ -1 +1,57 @@
+import { PICTURES_COUNT } from './constant.js';
+
+const Filter = {
+ DEFAULT: 'filter-default',
+ RANDOM: 'filter-random',
+ DISCUSSED: 'filter-discussed',
+};
+
+const filter = document.querySelector('.img-filters');
+
+let currentFilter = Filter.DEFAULT;
+let pictures = [];
+
+const sortRandom = () => Math.random() - 0.5;
+
+const sortByComments = (pictureA, pictureB) =>
+ pictureB.comments.length - pictureA.comments.length;
+
+const getFilteredPictures = () => {
+ switch (currentFilter) {
+ case Filter.RANDOM:
+ return [...pictures].sort(sortRandom).slice(0, PICTURES_COUNT);
+ case Filter.DISCUSSED:
+ return [...pictures].sort(sortByComments);
+ default:
+ return [...pictures];
+ }
+};
+
+const setOnFilterClick = (callback) => {
+ filter.addEventListener('click', (evt) => {
+ if (!evt.target.classList.contains('img-filters__button')) {
+ return;
+ }
+
+ const clickedButton = evt.target;
+ if (clickedButton.id === currentFilter) {
+ return;
+ }
+
+ filter
+ .querySelector('.img-filters__button--active')
+ .classList.remove('img-filters__button--active');
+ clickedButton.classList.add('img-filters__button--active');
+ currentFilter = clickedButton.id;
+ callback(getFilteredPictures());
+ });
+};
+
+const init = (loadedPictures, callback) => {
+ filter.classList.remove('img-filters--inactive');
+ pictures = [...loadedPictures];
+ setOnFilterClick(callback);
+};
+
+export { init, getFilteredPictures };
diff --git a/js/load-pictures.js b/js/load-pictures.js
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/js/load-pictures.js
@@ -0,0 +1 @@
+
diff --git a/js/main.js b/js/main.js
index 6165fc1..deb50b7 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1,9 +1,9 @@
import { generateThumbnails } from './thumbnail.js';
import { getData, sendData } from './api.js';
-import { showAlert } from './utils.js';
+import { showAlert, debounce } from './utils.js';
import { setOnFormSubmit, imgUploadForm } from './form-modal.js';
import { showMessageSuccess, showMessageError } from './success-error.js';
-import './filters.js';
+import { init as initFilter, getFilteredPictures } from './filters.js';
setOnFormSubmit(async (data) => {
try {
@@ -17,7 +17,9 @@ setOnFormSubmit(async (data) => {
try {
const data = await getData();
- generateThumbnails(data);
+ const debounceRenderGallery = debounce(generateThumbnails);
+ initFilter(data, debounceRenderGallery);
+ generateThumbnails(getFilteredPictures());
} catch {
showAlert();
}
diff --git a/js/scale.js b/js/scale.js
index 4b97d7d..098f5bb 100644
--- a/js/scale.js
+++ b/js/scale.js
@@ -5,11 +5,15 @@ import {
DEFAULT_SCALE
} from './constant.js';
+import { loadingPicture } from './load-pictures.js';
+
const scaleInput = document.querySelector('.scale__control--value');
const smallButtonElement = document.querySelector('.scale__control--smaller');
const bigButtonElement = document.querySelector('.scale__control--bigger');
const imgPreviewElement = document.querySelector('.img-upload__preview img');
+loadingPicture();
+
const scaleImage = (value) => {
imgPreviewElement.style.transform = `scale(${value / 100})`;
scaleInput.value = `${value}%`;
diff --git a/js/thumbnail.js b/js/thumbnail.js
index b88e450..430f0f1 100644
--- a/js/thumbnail.js
+++ b/js/thumbnail.js
@@ -1,40 +1,37 @@
import { openBigPictureWindow } from './modal-pictures.js';
-
-const thumbNailTemplate = document.querySelector('#picture').content.querySelector('.picture');
-const container = document.querySelector('.pictures');
-
-const localPictures = [];
-
-const createThumbnail = ({id, url, description, likes, comments}) => {
- const thumbnail = thumbNailTemplate.cloneNode(true);
- thumbnail.dataset.id = id;
- const pictureImage = thumbnail.querySelector('.picture__img');
- pictureImage.src = url;
- pictureImage.alt = description;
- thumbnail.querySelector('.picture__likes').textContent = likes;
- thumbnail.querySelector('.picture__comments').textContent = comments.length;
-
- return thumbnail;
-};
-
-const generateThumbnails = (pictures) => {
- localPictures.length = 0;
- localPictures.push(...pictures.slice());
- const pictureFragment = document.createDocumentFragment();
- pictures.forEach((picture) => {
- const thumbnail = createThumbnail(picture);
- pictureFragment.append(thumbnail);
+import { isEnterKey } from './utils.js';
+
+const picturesContainer = document.querySelector('.pictures');
+
+const pictureTemplate = document.querySelector('#picture')
+ .content
+ .querySelector('.picture');
+
+const generateThumbnails = (picture) => {
+ picturesContainer.querySelectorAll('.picture').forEach((element) => element.remove());
+ const similarListFragment = document.createDocumentFragment();
+ picture.forEach(({ id, url, description, likes, comments }) => {
+ const pictureElement = pictureTemplate.cloneNode(true);
+ pictureElement.querySelector('.picture__img').dataset.id = id;
+ pictureElement.querySelector('.picture__img').src = url;
+ pictureElement.querySelector('.picture__img').alt = description;
+ pictureElement.querySelector('.picture__likes').textContent = likes;
+ pictureElement.querySelector('.picture__comments').textContent = comments.length;
+ similarListFragment.appendChild(pictureElement);
+
+ pictureElement.addEventListener('click', () => {
+ openBigPictureWindow({ url, description, likes, comments });
+ });
+
+ pictureElement.addEventListener('keydown', (evt) => {
+ if (isEnterKey(evt)) {
+ openBigPictureWindow({ url, description, likes, comments });
+ }
+ });
+
+ picturesContainer.append(similarListFragment);
+ pictureElement.classList.remove('hidden');
});
-
- container.append(pictureFragment);
};
-container.addEventListener('click', (evt) => {
- if(evt.target.closest('.picture')) {
- const currentId = Number(evt.target.closest('.picture').dataset.id);
- const currentPicture = localPictures.find(({id}) => id === currentId);
- openBigPictureWindow(currentPicture);
- }
-});
-
-export { generateThumbnails, container };
+export { generateThumbnails };
diff --git a/js/utils.js b/js/utils.js
index 20786fa..57cdde5 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -1,4 +1,4 @@
-const SHOW_TIME = 5000;
+import { TIME_OUT_DELAY, SHOW_TIME } from './constant.js';
const dataErrorTemplate = document
.querySelector('#data-error')
@@ -15,4 +15,15 @@ const showAlert = () => {
const isEscapeKey = (evt) => evt.key === 'Escape';
-export { isEscapeKey, showAlert };
+const isEnterKey = (evt) => evt.key === 'Enter';
+
+
+const debounce = (callback, timeoutDelay = TIME_OUT_DELAY) => {
+ let timeoutId;
+ return (...rest) => {
+ clearTimeout(timeoutId);
+ timeoutId = setTimeout(() => callback.apply(this, rest), timeoutDelay);
+ };
+};
+
+export { isEscapeKey, isEnterKey, showAlert, debounce };