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forgejo/web_src/js/features/pull-view-file.js

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JavaScript
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import {setFileFolding} from './file-fold.js';
const {csrfToken, pageData} = window.config;
const prReview = pageData.prReview || {};
const viewedStyleClass = 'viewed-file-checked-form';
const viewedCheckboxSelector = '.viewed-file-form'; // Selector under which all "Viewed" checkbox forms can be found
// Refreshes the summary of viewed files if present
// The data used will be window.config.pageData.prReview.numberOf{Viewed}Files
function refreshViewedFilesSummary() {
const viewedFilesProgress = document.getElementById('viewed-files-summary');
viewedFilesProgress?.setAttribute('value', prReview.numberOfViewedFiles);
const summaryLabel = document.getElementById('viewed-files-summary-label');
if (summaryLabel) summaryLabel.innerHTML = summaryLabel.getAttribute('data-text-changed-template')
.replace('%[1]d', prReview.numberOfViewedFiles)
.replace('%[2]d', prReview.numberOfFiles);
}
// Explicitly recounts how many files the user has currently reviewed by counting the number of checked "viewed" checkboxes
// Additionally, the viewed files summary will be updated if it exists
export function countAndUpdateViewedFiles() {
// The number of files is constant, but the number of viewed files can change because files can be loaded dynamically
prReview.numberOfViewedFiles = document.querySelectorAll(`${viewedCheckboxSelector} > input[type=checkbox][checked]`).length;
refreshViewedFilesSummary();
}
// Initializes a listener for all children of the given html element
// (for example 'document' in the most basic case)
// to watch for changes of viewed-file checkboxes
export function initViewedCheckboxListenerFor() {
for (const form of document.querySelectorAll(`${viewedCheckboxSelector}:not([data-has-viewed-checkbox-listener="true"])`)) {
// To prevent double addition of listeners
form.setAttribute('data-has-viewed-checkbox-listener', true);
// The checkbox consists of a div containing the real checkbox with its label and the CSRF token,
// hence the actual checkbox first has to be found
const checkbox = form.querySelector('input[type=checkbox]');
checkbox.addEventListener('change', function() {
// Mark the file as viewed visually - will especially change the background
if (this.checked) {
form.classList.add(viewedStyleClass);
prReview.numberOfViewedFiles++;
} else {
form.classList.remove(viewedStyleClass);
prReview.numberOfViewedFiles--;
}
// Update viewed-files summary and remove "has changed" label if present
refreshViewedFilesSummary();
const hasChangedLabel = form.parentNode.querySelector('.changed-since-last-review');
hasChangedLabel?.parentNode.removeChild(hasChangedLabel);
// Unfortunately, actual forms cause too many problems, hence another approach is needed
const files = {};
files[checkbox.getAttribute('name')] = this.checked;
const data = {files};
const headCommitSHA = form.getAttribute('data-headcommit');
if (headCommitSHA) data.headCommitSHA = headCommitSHA;
fetch(form.getAttribute('data-link'), {
method: 'POST',
headers: {'X-Csrf-Token': csrfToken},
body: JSON.stringify(data),
});
// Fold the file accordingly
const parentBox = form.closest('.diff-file-header');
setFileFolding(parentBox.closest('.file-content'), parentBox.querySelector('.fold-file'), this.checked);
});
}
}