| (async function() { |
| TestRunner.addResult('Test ListControl rendering and selection for non-viewport mode.'); |
| |
| class Delegate { |
| constructor() { |
| } |
| |
| createElementForItem(item) { |
| TestRunner.addResult('Creating element for ' + item); |
| var element = document.createElement('div'); |
| element.style.height = (10 + item % 5) + 'px'; |
| element.textContent = item; |
| return element; |
| } |
| |
| heightForItem(item) { |
| TestRunner.addResult('heightForItem should not be called'); |
| return 10 + item % 5; |
| } |
| |
| isItemSelectable(item) { |
| return (item % 5 === 0) || (item % 5 === 2); |
| } |
| |
| selectedItemChanged(from, to, fromElement, toElement) { |
| TestRunner.addResult('Selection changed from ' + from + ' to ' + to); |
| if (fromElement) |
| fromElement.classList.remove('selected'); |
| if (toElement) |
| toElement.classList.add('selected'); |
| } |
| } |
| |
| var delegate = new Delegate(); |
| var model = new UI.ListModel(); |
| var list = new UI.ListControl(model, delegate, UI.ListMode.NonViewport); |
| UI.inspectorView.element.appendChild(list.element); |
| |
| function dumpList() |
| { |
| var height = list.element.offsetHeight; |
| TestRunner.addResult(`----list[length=${model.length}][height=${height}]----`); |
| for (var child of list.element.children) { |
| var offsetTop = child.getBoundingClientRect().top - list.element.getBoundingClientRect().top; |
| var offsetBottom = child.getBoundingClientRect().bottom - list.element.getBoundingClientRect().top; |
| var visible = (offsetBottom <= 0 || offsetTop >= height) ? ' ' : |
| (offsetTop >= 0 && offsetBottom <= height ? '*' : '+'); |
| var selected = child.classList.contains('selected') ? ' (selected)' : ''; |
| var text = child === list._topElement ? 'top' : (child === list._bottomElement ? 'bottom' : child.textContent); |
| TestRunner.addResult(`${visible}[${offsetTop}] ${text}${selected}`); |
| } |
| TestRunner.addResult(''); |
| } |
| |
| TestRunner.addResult('Adding 0, 1, 2'); |
| model.replaceAll([0, 1, 2]); |
| dumpList(); |
| |
| TestRunner.addResult('Scrolling to 0'); |
| list.scrollItemIntoView(0); |
| dumpList(); |
| |
| TestRunner.addResult('Scrolling to 2'); |
| list.scrollItemIntoView(2); |
| dumpList(); |
| |
| TestRunner.addResult('Adding 3-20'); |
| model.replaceRange(3, 3, [3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]); |
| dumpList(); |
| |
| TestRunner.addResult('Scrolling to 19'); |
| list.scrollItemIntoView(19); |
| dumpList(); |
| |
| TestRunner.addResult('Scrolling to 13 (center)'); |
| list.scrollItemIntoView(13, true); |
| dumpList(); |
| |
| TestRunner.addResult('Replacing 0, 1 with 25-36'); |
| model.replaceRange(0, 2, [25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36]); |
| dumpList(); |
| |
| TestRunner.addResult('Scrolling to 18'); |
| list.scrollItemIntoView(28); |
| dumpList(); |
| |
| TestRunner.addResult('Replacing 25-36 with 0-1'); |
| model.replaceRange(0, 12, [0, 1]); |
| dumpList(); |
| |
| TestRunner.addResult('Replacing 16-18 with 45'); |
| model.replaceRange(16, 19, [45]); |
| dumpList(); |
| |
| TestRunner.addResult('Scrolling to 4'); |
| list.scrollItemIntoView(4); |
| dumpList(); |
| |
| TestRunner.addResult('Replacing 45 with 16-18'); |
| model.replaceRange(16, 17, [16, 17, 18]); |
| dumpList(); |
| |
| TestRunner.completeTest(); |
| })(); |