+++ /dev/null
-/*
- * Uguu
- *
- * @copyright Copyright (c) 2022 Go Johansson (nekunekus) <neku@pomf.se> <github.com/nokonoko>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-document.addEventListener('DOMContentLoaded', function () {
- /**
- * Sets up the elements inside file upload rows.
- *
- * @param {File} file
- * @return {HTMLLIElement} row
- */
- function addRow(file) {
- var row = document.createElement('li');
-
- var name = document.createElement('span');
- name.textContent = file.name;
- name.className = 'file-name';
-
- var progressIndicator = document.createElement('span');
- progressIndicator.className = 'progress-percent';
- progressIndicator.textContent = '0%';
-
- var progressBar = document.createElement('progress');
- progressBar.className = 'file-progress';
- progressBar.setAttribute('max', '100');
- progressBar.setAttribute('value', '0');
-
- row.appendChild(name);
- row.appendChild(progressBar);
- row.appendChild(progressIndicator);
-
- document.getElementById('upload-filelist').appendChild(row);
- return row;
- }
-
- /**
- * Updates the page while the file is being uploaded.
- *
- * @param {ProgressEvent} evt
- */
- function handleUploadProgress(evt) {
- var xhr = evt.target;
- var bar = xhr.bar;
- var percentIndicator = xhr.percent;
-
- /* If we have amounts of work done/left that we can calculate with
- (which, unless we're uploading dynamically resizing data, is always), calculate the percentage. */
- if (evt.lengthComputable) {
- var progressPercent = Math.floor((evt.loaded / evt.total) * 100);
- bar.setAttribute('value', progressPercent);
- percentIndicator.textContent = progressPercent + '%';
- }
- }
-
- /**
- * Complete the uploading process by checking the response status and, if the
- * upload was successful, writing the URL(s) and creating the copy element(s)
- * for the files.
- *
- * @param {ProgressEvent} evt
- */
- function handleUploadComplete(evt) {
- var xhr = evt.target;
- var bar = xhr.bar;
- var row = xhr.row;
- var percentIndicator = xhr.percent;
-
- percentIndicator.style.visibility = 'hidden';
- bar.style.visibility = 'hidden';
- row.removeChild(bar);
- row.removeChild(percentIndicator);
- var respStatus = xhr.status;
-
- var url = document.createElement('span');
- url.className = 'file-url';
- row.appendChild(url);
-
- var link = document.createElement('a');
- if (respStatus === 200) {
- var response = JSON.parse(xhr.responseText);
- if (response.success) {
- link.textContent = response.files[0].url.replace(/.*?:\/\//g, '');
- link.href = response.files[0].url;
- url.appendChild(link);
- var copy = document.createElement('button');
- copy.className = 'upload-clipboard-btn';
- var glyph = document.createElement('img');
- glyph.src = 'img/glyphicons-512-copy.png';
- copy.appendChild(glyph);
- url.appendChild(copy);
- copy.addEventListener("click", function (event) {
- /* Why create an element? The text needs to be on screen to be
- selected and thus copied. The only text we have on-screen is the link
- without the http[s]:// part. So, this creates an element with the
- full link for a moment and then deletes it.
-
- See the "Complex Example: Copy to clipboard without displaying
- input" section at: https://stackoverflow.com/a/30810322 */
- var element = document.createElement('a');
- element.textContent = response.files[0].url;
- link.appendChild(element);
- var range = document.createRange();
- range.selectNode(element);
- window.getSelection().removeAllRanges();
- window.getSelection().addRange(range);
- document.execCommand("copy");
- link.removeChild(element);
- });
- } else {
- bar.innerHTML = 'Error: ' + response.description;
- }
- } else if (respStatus === 413) {
- link.textContent = 'File too big!';
- url.appendChild(link);
- } else {
- var response = JSON.parse(xhr.responseText);
- link.textContent = response.description;
- url.appendChild(link);
- }
- }
-
- /**
- * Updates the page while the file is being uploaded.
- *
- * @param {File} file
- * @param {HTMLLIElement} row
- */
- function uploadFile(file, row) {
- var bar = row.querySelector('.file-progress');
- var percentIndicator = row.querySelector('.progress-percent');
- var xhr = new XMLHttpRequest();
- xhr.open('POST', 'upload.php');
-
- xhr['row'] = row;
- xhr['bar'] = bar;
- xhr['percent'] = percentIndicator;
- xhr.upload['bar'] = bar;
- xhr.upload['percent'] = percentIndicator;
-
- xhr.addEventListener('load', handleUploadComplete, false);
- xhr.upload.onprogress = handleUploadProgress;
-
- var form = new FormData();
- form.append('files[]', file);
- xhr.send(form);
- }
-
- /**
- * Prevents the browser for allowing the normal actions associated with an event.
- * This is used by event handlers to allow custom functionality without
- * having to worry about the other consequences of that action.
- *
- * @param {Event} evt
- */
- function stopDefaultEvent(evt) {
- evt.stopPropagation();
- evt.preventDefault();
- }
-
- /**
- * Adds 1 to the state and changes the text.
- *
- * @param {Object} state
- * @param {HTMLButtonElement} element
- * @param {DragEvent} evt
- */
- function handleDrag(state, element, evt) {
- stopDefaultEvent(evt);
- if (state.dragCount == 1) {
- element.textContent = 'Drop it here~';
- }
- state.dragCount += 1;
- }
-
- /**
- * Subtracts 1 from the state and changes the text back.
- *
- * @param {Object} state
- * @param {HTMLButtonElement} element
- * @param {DragEvent} evt
- */
- function handleDragAway(state, element, evt) {
- stopDefaultEvent(evt);
- state.dragCount -= 1;
- if (state.dragCount == 0) {
- element.textContent = 'Select or drop file(s)';
- }
- }
-
- /**
- * Prepares files for uploading after being added via drag-drop.
- *
- * @param {Object} state
- * @param {HTMLButtonElement} element
- * @param {DragEvent} evt
- */
- function handleDragDrop(state, element, evt) {
- stopDefaultEvent(evt);
- handleDragAway(state, element, evt);
- var len = evt.dataTransfer.files.length;
- for (var i = 0; i < len; i++) {
- var file = evt.dataTransfer.files[i];
- var row = addRow(file);
- uploadFile(file, row);
- }
- }
-
- /**
- * Prepares the files to be uploaded when they're added to the <input> element.
- *
- * @param {InputEvent} evt
- */
- function uploadFiles(evt) {
- var len = evt.target.files.length;
- // For each file, make a row, and upload the file.
- for (var i = 0; i < len; i++) {
- var file = evt.target.files[i];
- var row = addRow(file);
- uploadFile(file, row);
- }
- }
-
- /**
- * Opens up a "Select files.." dialog window to allow users to select files to upload.
- *
- * @param {HTMLInputElement} target
- * @param {InputEvent} evt
- */
- function selectFiles(target, evt) {
- stopDefaultEvent(evt);
- target.click();
- }
-
- /* Handles the pasting function */
- window.addEventListener("paste", e => {
- var len = e.clipboardData.files.length;
- for (var i = 0; i < len; i++) {
- var file = e.clipboardData.files[i];
- var row = addRow(file);
- uploadFile(file, row);
- }
- });
-
-
- /* Set-up the event handlers for the <button>, <input> and the window itself
- and also set the "js" class on selector "#upload-form", presumably to
- allow custom styles for clients running javascript. */
- var state = {dragCount: 0};
- var uploadButton = document.getElementById('upload-btn');
- window.addEventListener('dragenter', handleDrag.bind(this, state, uploadButton), false);
- window.addEventListener('dragleave', handleDragAway.bind(this, state, uploadButton), false);
- window.addEventListener('drop', handleDragAway.bind(this, state, uploadButton), false);
- window.addEventListener('dragover', stopDefaultEvent, false);
-
-
- var uploadInput = document.getElementById('upload-input');
- uploadInput.addEventListener('change', uploadFiles);
- uploadButton.addEventListener('click', selectFiles.bind(this, uploadInput));
- uploadButton.addEventListener('drop', handleDragDrop.bind(this, state, uploadButton), false);
- document.getElementById('upload-form').classList.add('js');
-});
\ No newline at end of file
projects / uguu.git / blobdiff