diff options
| -rw-r--r-- | theme/admin/rsrc/main.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/theme/admin/rsrc/main.js b/theme/admin/rsrc/main.js index 842ef47..94fc591 100644 --- a/theme/admin/rsrc/main.js +++ b/theme/admin/rsrc/main.js @@ -158,3 +158,34 @@ if(document.getElementById("delete-button")) { } } })(); + +//============================================================================== +// Detect unsaved changes in content editor +//============================================================================== +(function() { + if(document.getElementById("content-editor")) { + const editor = document.getElementById("content-editor"); + const initialValue = editor.value; + + function showConfirmationPrompt(e) { + if(editor.value !== initialValue) { + e.returnValue = ''; + e.preventDefault(); + } + } + + window.addEventListener('beforeunload', showConfirmationPrompt); + + const buttons = []; + buttons.push(document.getElementById('insert-button')); + buttons.push(document.getElementById('update-button')); + + for(let i = 0; i < buttons.length; ++i) { + if(buttons[i] !== null) { + buttons[i].addEventListener('click', function() { + window.removeEventListener('beforeunload', showConfirmationPrompt); + }); + } + } + } +})(); |