Revert "Warn if there are unsaved form changes (#6433)"

This reverts commit c19c367a.

CHANGELOG.md

@@ -21,7 +21,6 @@ The present file will list all changes made to the project; according to the
 - Add lightbox with PhotoSwipe to timeline images
 - Ability to copy tasks while merging tickets
 - the API gives the ID of the user who logs in with initSession
-- Add warning when there are unsaved changes in forms
 - Kanban view for projects
 
 ### Changed

inc/html.class.php

@@ -3924,11 +3924,6 @@ JAVASCRIPT;
                editor.on('SaveContent', function (contentEvent) {
                   contentEvent.content = contentEvent.content.replace(/\\r?\\n/g, '');
                });
-               editor.on('Change', function (e) {
-                  // Nothing fancy here. Since this is only used for tracking unsaved changes,
-                  // we want to keep the logic in common.js with the other form input events.
-                  onTinyMCEChange(e);
-               });
 
                // ctrl + enter submit the parent form
                editor.addShortcut('ctrl+13', 'submit', function() {

js/common.js

@@ -1019,36 +1019,6 @@ var getTextWithoutDiacriticalMarks = function (text) {
    return text.replace(/[\u0300-\u036f]/g, '');
 };
 
-/** Track input changes and warn the user of unsaved changes if they try to navigate away */
-window.glpiUnsavedFormChanges = false;
-$(document).ready(function() {
-   // Try to limit tracking to item forms by binding to inputs under glpi_tabs only.
-   var glpiTabs = $('#page .glpi_tabs');
-   glpiTabs.on('input', 'form:not(.no-track) input, form:not(.no-track) textarea', function() {
-      window.glpiUnsavedFormChanges = true;
-   });
-   glpiTabs.on('change', 'form:not(.no-track) select', function() {
-      window.glpiUnsavedFormChanges = true;
-   });
-   glpiTabs.on('select2:select', 'form:not(.no-track) select', function() {
-      window.glpiUnsavedFormChanges = true;
-   });
-   $(window).on('beforeunload', function() {
-      if (window.glpiUnsavedFormChanges) {
-         // Only used for older browsers. Newer ones will display a localized message that is unique to the browser.
-         return "Do you want to leave this site? Changes you made may not be saved.";
-      }
-   });
-
-   glpiTabs.on('submit', 'form:not(.no-track)', function() {
-      window.glpiUnsavedFormChanges = false;
-   });
-});
-
-function onTinyMCEChange() {
-   window.glpiUnsavedFormChanges = true;
-}
-
 /**
  * Updates an accessible progress bar title and foreground width.
  * @since 9.5.0

js/impact.js

@@ -2418,7 +2418,6 @@ var GLPIImpact = {
     * Enable the save button
     */
    showCleanWorkspaceStatus: function() {
-      window.glpiUnsavedFormChanges = false;
       $(GLPIImpact.selectors.save).removeClass('dirty');
       $(GLPIImpact.selectors.save).removeClass('clean'); // Needed for animations if the workspace is not dirty
       $(GLPIImpact.selectors.save).addClass('clean');
@@ -2430,7 +2429,6 @@ var GLPIImpact = {
     * Enable the save button
     */
    showDirtyWorkspaceStatus: function() {
-      window.glpiUnsavedFormChanges = true;
       $(GLPIImpact.selectors.save).removeClass('clean');
       $(GLPIImpact.selectors.save).addClass('dirty');
       $(GLPIImpact.selectors.save).find('i').removeClass("fas fa-check");