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products/Sources/formale Sprachen/C/Firefox/toolkit/content/tests/chrome/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 5 kB

Quelle test_richlistbox.xhtml Sprache: unbekannt

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>

<window title="Listbox direction test"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>

  <richlistbox seltype="multiple" id="richlistbox" flex="1" style="min-height: 80px; max-height: 80px; height: 80px"/>

  
  <body xmlns="http://www.w3.org/1999/xhtml" style="height: 300px; overflow: auto;"/>

<script type="application/javascript">
<![CDATA[

SimpleTest.waitForExplicitFinish();

var richListBox = document.getElementById("richlistbox");

function getScrollIndexAmount(aDirection) {
  return (4 * aDirection + richListBox.currentIndex);
}

add_task(function test_richlistbox() {
  var height = richListBox.clientHeight;
  var item;
  do {
    item = richListBox.appendItem("Test", "");
    item.style.height = item.style.minHeight = item.style.maxHeight = Math.floor(height / 4) + "px";
  } while (item.getBoundingClientRect().bottom < (height * 2))
  richListBox.appendItem("Test", "");
  richListBox.firstChild.nextSibling.id = "list-box-first";
  richListBox.lastChild.previousSibling.id = "list-box-last";

  var count = richListBox.itemCount;
  richListBox.focus();

  // Test that dir="reverse" is ignored and behaves the same as dir="normal".
  for (let dir of ["reverse", "normal"]) {
    richListBox.style.MozBoxDirection = dir;
    richListBox.selectedIndex = 0;
    sendKey("DOWN");
    is(richListBox.currentIndex, 1, "Selection should move to the next item");
    sendKey("UP");
    is(richListBox.currentIndex, 0, "Selection should move to the previous item");
    sendKey("END");
    is(richListBox.currentIndex, count - 1, "Selection should move to the last item");
    sendKey("HOME");
    is(richListBox.currentIndex, 0, "Selection should move to the first item");
    var currentIndex = richListBox.currentIndex;
    var index = richListBox.scrollOnePage(1);
    sendKey("PAGE_DOWN");
    is(richListBox.currentIndex, index, "Selection should move to one page down");
    ok(richListBox.currentIndex > currentIndex, "Selection should move downwards");
    sendKey("END");
    currentIndex = richListBox.currentIndex;
    index = richListBox.scrollOnePage(-1) + richListBox.currentIndex;
    sendKey("PAGE_UP");
    is(richListBox.currentIndex, index, "Selection should move to one page up");
    ok(richListBox.currentIndex < currentIndex, "Selection should move upwards");
    richListBox.selectedItem = richListBox.firstChild;
    richListBox.focus();
    synthesizeKey("KEY_ArrowDown", {shiftKey: true}, window);
    let items = [richListBox.selectedItems[0],
             richListBox.selectedItems[1]];
    is(items[0], richListBox.firstChild, "The last element should still be selected");
    is(items[1], richListBox.firstChild.nextSibling, "Both elements should now be selected");
    richListBox.clearSelection();
    richListBox.selectedItem = richListBox.firstChild;
    sendMouseEvent({type: "click", shiftKey: true, clickCount: 1},
                   "list-box-first",
                   window);
    items = [richListBox.selectedItems[0],
             richListBox.selectedItems[1]];
    is(items[0], richListBox.firstChild, "The last element should still be selected");
    is(items[1], richListBox.firstChild.nextSibling, "Both elements should now be selected");
    richListBox.addEventListener("keypress", function(aEvent) {
      aEvent.preventDefault();
    }, { useCapture: true, once: true });
    richListBox.selectedIndex = 1;
    sendKey("HOME");
    is(richListBox.selectedIndex, 1, "A stopped event should return indexing to normal");
  }

  // Test attempting to select a disabled item.
  richListBox.clearSelection();
  richListBox.selectedItem = richListBox.firstChild;
  richListBox.firstChild.nextSibling.setAttribute("disabled", true);
  richListBox.focus();

  synthesizeKey("KEY_ArrowDown", {}, window);
  is(richListBox.selectedItems.length, 1, "one item selected");
  is(richListBox.selectedItems[0], richListBox.getItemAtIndex(2), "skipped over disabled item on keydown");

  synthesizeKey("KEY_ArrowUp", {}, window);
  is(richListBox.selectedItems.length, 1, "one item selected");
  is(richListBox.selectedItems[0], richListBox.firstChild, "skipped over disabled item on keyup");

  synthesizeMouseAtCenter(richListBox.getItemAtIndex(1), {});
  is(richListBox.selectedItems.length, 1, "one item selected");
  is(richListBox.selectedItems[0], richListBox.firstChild, "cannot select disabled item");

  synthesizeMouseAtCenter(richListBox.getItemAtIndex(2), {});
  is(richListBox.selectedItems.length, 1, "one item selected");
  is(richListBox.selectedItems[0], richListBox.getItemAtIndex(2), "can select enabled item");

  // Selected item re-insertion should keep the item selected.
  richListBox.clearSelection();
  item = richListBox.firstElementChild;
  richListBox.selectedItem = item;
  is(richListBox.selectedItems.length, 1, "one item selected");
  is(richListBox.selectedItems[0], item, "first item selected");
  item.remove();
  richListBox.append(item);
  is(richListBox.selectedItems.length, 1, "one item selected");
  is(richListBox.selectedItems[0], item, "last (previosly first) item selected");
});

]]>
</script>

</window>