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|
<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
@author nicksantos@google.com (Nick Santos)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.editor.range</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.dom.Range');
goog.require('goog.editor.range');
goog.require('goog.testing.dom');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<div id='root'>
<div id='parentNode'>
abc
<div id='def'>def</div>
ghi
<div id='jkl'>jkl</div>
mno
<div id='pqr'>pqr</div>
stu
</div>
<div id='caretRangeTest-1'>
abc
<div id='def-1'>def</div>
ghi
<div id='jkl-1'>jkl</div>
mno
<div id='pqr-1'>pqr</div>
stu
</div>
<div id='normalizeTest-with-br'>abc<br/>def</div>
<div id='normalizeTest-with-div'><div>abc</div></div>
<div id='normalizeTest-with-empty-text-nodes'></div>
<div id='normalizeTest-2'>
abc
<div id='def-2'>def</div>
ghi
<div id='jkl-2'>jkl</div>
mno
<div id='pqr-2'>pqr</div>
stu
</div>
<div id='normalizeTest-3'>
abc
<div id='def-3'>def</div>
ghi
<div id='jkl-3'>jkl</div>
mno
<div id='pqr-3'>pqr</div>
stu
</div>
<div id='normalizeTest-4'>
abc
<div id='def-4'>def</div>
ghi
<div id='jkl-4'>jkl</div>
mno
<div id='pqr-4'>pqr</div>
stu
</div>
<div id='editableTest' g_editable='true'>
abc
<div>def</div>
ghi
<div>jkl</div>
mno
<div>pqr</div>
stu
</div>
</div>
<script>
var savedHtml;
var $ = goog.dom.getElement;
function setUp() {
savedHtml = $('root').innerHTML;
}
function tearDown() {
$('root').innerHTML = savedHtml;
}
function testNoNarrow() {
var def = $('def');
var jkl = $('jkl');
var range = goog.dom.Range.createFromNodes(
def.firstChild, 1, jkl.firstChild, 2);
range = goog.editor.range.narrow(range, $('parentNode'));
goog.testing.dom.assertRangeEquals(
def.firstChild, 1, jkl.firstChild, 2, range);
}
function testNarrowAtEndEdge() {
var def = $('def');
var jkl = $('jkl');
var range = goog.dom.Range.createFromNodes(
def.firstChild, 1, jkl.firstChild, 2);
range = goog.editor.range.narrow(range, def);
goog.testing.dom.assertRangeEquals(
def.firstChild, 1, def.firstChild, 3, range);
}
function testNarrowAtStartEdge() {
var def = $('def');
var jkl = $('jkl');
var range = goog.dom.Range.createFromNodes(
def.firstChild, 1, jkl.firstChild, 2);
range = goog.editor.range.narrow(range, jkl);
goog.testing.dom.assertRangeEquals(
jkl.firstChild, 0, jkl.firstChild, 2, range);
}
function testNarrowOutsideElement() {
var def = $('def');
var jkl = $('jkl');
var range = goog.dom.Range.createFromNodes(
def.firstChild, 1, jkl.firstChild, 2);
range = goog.editor.range.narrow(range, $('pqr'));
assertNull(range);
}
function testNoExpand() {
var div = $('parentNode');
div.innerHTML = '<div>longword</div>';
// Select "ongwo" and make sure we don't expand since this is not
// a full container.
var textNode = div.firstChild.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 1, textNode, 6);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(textNode, 1, textNode, 6, range);
}
function testSimpleExpand() {
var div = $('parentNode');
div.innerHTML = '<div>longword</div>foo';
// Select "longword" and make sure we do expand to include the div since
// the full container text is selected.
var textNode = div.firstChild.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 0, textNode, 8);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 0, div, 1, range);
// Select "foo" and make sure we expand out to the parent div.
var fooNode = div.lastChild;
range = goog.dom.Range.createFromNodes(fooNode, 0, fooNode, 3);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 1, div, 2, range);
}
function testDoubleExpand() {
var div = $('parentNode');
div.innerHTML = '<div><span>longword</span></div>foo';
// Select "longword" and make sure we do expand to include the span
// and the div since both of their full contents are selected.
var textNode = div.firstChild.firstChild.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 0, textNode, 8);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 0, div, 1, range);
// Same visible position, different dom position.
// Start in text node, end in span.
range = goog.dom.Range.createFromNodes(textNode, 0, textNode.parentNode, 1);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 0, div, 1, range);
}
function testMultipleChildrenExpand() {
var div = $('parentNode');
div.innerHTML = '<ol><li>one</li><li>two</li><li>three</li></ol>';
// Select "two" and make sure we expand to the li, but not the ol.
var li = div.firstChild.childNodes[1];
var textNode = li.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 0, textNode, 3);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(
li.parentNode, 1, li.parentNode, 2, range);
// Make the same visible selection, only slightly different dom position.
// Select starting from the text node, but ending in the li.
range = goog.dom.Range.createFromNodes(textNode, 0, li, 1);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(
li.parentNode, 1, li.parentNode, 2, range);
}
function testSimpleDifferentContainersExpand() {
var div = $('parentNode');
div.innerHTML = '<ol><li>1</li><li><b>bold</b><i>italic</i></li></ol>';
// Select all of "bold" and "italic" at the text node level, and
// make sure we expand to the li.
var li = div.firstChild.childNodes[1];
var boldNode = li.childNodes[0];
var italicNode = li.childNodes[1];
var range = goog.dom.Range.createFromNodes(boldNode.firstChild, 0,
italicNode.firstChild, 6);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(
li.parentNode, 1, li.parentNode, 2, range);
// Make the same visible selection, only slightly different dom position.
// Select "bold" at the b node level and "italic" at the text node level.
range = goog.dom.Range.createFromNodes(boldNode, 0,
italicNode.firstChild, 6);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(
li.parentNode, 1, li.parentNode, 2, range);
}
function testSimpleDifferentContainersSmallExpand() {
var div = $('parentNode');
div.innerHTML = '<ol><li>1</li><li><b>bold</b><i>italic</i>' +
'<u>under</u></li></ol>';
// Select all of "bold" and "italic", but we can't expand to the
// entire li since we didn't select "under".
var li = div.firstChild.childNodes[1];
var boldNode = li.childNodes[0];
var italicNode = li.childNodes[1];
var range = goog.dom.Range.createFromNodes(boldNode.firstChild, 0,
italicNode.firstChild, 6);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(li, 0, li, 2, range);
// Same visible position, different dom position.
// Select "bold" starting in text node, "italic" at i node.
range = goog.dom.Range.createFromNodes(boldNode.firstChild, 0,
italicNode, 1);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(li, 0, li, 2, range);
}
function testEmbeddedDifferentContainersExpand() {
var div = $('parentNode');
div.innerHTML = '<div><b><i>italic</i>after</b><u>under</u></div>foo';
// Select "italic" "after" "under", should expand all the way to parent.
var boldNode = div.firstChild.childNodes[0];
var italicNode = boldNode.childNodes[0];
var underNode = div.firstChild.childNodes[1];
var range = goog.dom.Range.createFromNodes(italicNode.firstChild, 0,
underNode.firstChild, 5);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 0, div, 1, range);
}
function testReverseSimpleExpand() {
var div = $('parentNode');
div.innerHTML = '<div>longword</div>foo';
// Select "longword" and make sure we do expand to include the div since
// the full container text is selected.
var textNode = div.firstChild.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 8, textNode, 0);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 0, div, 1, range);
}
function testExpandWithStopNode() {
var div = $('parentNode');
div.innerHTML = '<div><span>word</span></div>foo';
// Select "word".
var span = div.firstChild.firstChild;
var textNode = span.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 0, textNode, 4);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(div, 0, div, 1, range);
// Same selection, but force stop at the span.
range = goog.dom.Range.createFromNodes(textNode, 0, textNode, 4);
range = goog.editor.range.expand(range, span);
goog.testing.dom.assertRangeEquals(span, 0, span, 1, range);
}
// Ojan didn't believe this code worked, this was the case he
// thought was broken. Keeping just as a regression test.
function testOjanCase() {
var div = $('parentNode');
div.innerHTML = '<em><i><b>foo</b>bar</i></em>';
// Select "foo", at text node level.
var iNode = div.firstChild.firstChild;
var textNode = iNode.firstChild.firstChild;
var range = goog.dom.Range.createFromNodes(textNode, 0, textNode, 3);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(iNode, 0, iNode, 1, range);
// Same selection, at b node level.
range = goog.dom.Range.createFromNodes(iNode.firstChild, 0,
iNode.firstChild, 1);
range = goog.editor.range.expand(range);
goog.testing.dom.assertRangeEquals(iNode, 0, iNode, 1, range);
}
function testPlaceCursorNextToLeft() {
var div = $('parentNode');
div.innerHTML = 'foo<div id="bar">bar</div>baz';
var node = $('bar');
var range = goog.editor.range.placeCursorNextTo(node, true);
var expose = goog.testing.dom.exposeNode;
assertEquals('Selection should be to the left of the node ' +
expose(node) + ',' + expose(range.getStartNode().nextSibling),
node, range.getStartNode().nextSibling);
assertEquals('Selection should be collapsed',
true, range.isCollapsed());
}
function testPlaceCursorNextToRight() {
var div = $('parentNode');
div.innerHTML = 'foo<div id="bar">bar</div>baz';
var node = $('bar');
var range = goog.editor.range.placeCursorNextTo(node, false);
assertEquals('Selection should be to the right of the node',
node, range.getStartNode().previousSibling);
assertEquals('Selection should be collapsed',
true, range.isCollapsed());
}
function testPlaceCursorNextTo_rightOfLineBreak() {
var div = $('parentNode');
div.innerHTML = '<div contentEditable="true">hhhh<br />h</div>';
var children = div.firstChild.childNodes;
assertEquals(3, children.length);
var node = children[1];
var range = goog.editor.range.placeCursorNextTo(node, false);
assertEquals(node.nextSibling, range.getStartNode());
}
function testPlaceCursorNextTo_leftOfHr() {
var div = $('parentNode');
div.innerHTML = '<hr />aaa';
var children = div.childNodes;
assertEquals(2, children.length);
var node = children[0];
var range = goog.editor.range.placeCursorNextTo(node, true);
if (goog.userAgent.IE && goog.userAgent.isVersion('9')) {
assertEquals(div, range.getStartNode());
assertEquals(0, range.getStartOffset());
} else {
assertEquals(children[0], range.getStartNode());
assertEquals(0, range.getStartOffset());
}
}
function testPlaceCursorNextTo_rightOfHr() {
var div = $('parentNode');
div.innerHTML = 'aaa<hr />';
var children = div.childNodes;
assertEquals(2, children.length);
var node = children[1];
var range = goog.editor.range.placeCursorNextTo(node, false);
if (goog.userAgent.IE && goog.userAgent.isVersion('9')) {
assertEquals(div, range.getStartNode());
assertEquals(1, range.getStartOffset());
} else {
assertEquals(children[1], range.getStartNode());
assertEquals(0, range.getStartOffset());
}
}
function testGetDeepEndPoint() {
var div = $('parentNode');
var def = $('def');
var jkl = $('jkl');
assertPointEquals(div.firstChild, 0,
goog.editor.range.getDeepEndPoint(
goog.dom.Range.createFromNodeContents(div), true));
assertPointEquals(div.lastChild, div.lastChild.length,
goog.editor.range.getDeepEndPoint(
goog.dom.Range.createFromNodeContents(div), false));
assertPointEquals(def.firstChild, 0,
goog.editor.range.getDeepEndPoint(
goog.dom.Range.createCaret(div, 1), true));
assertPointEquals(def.nextSibling, 0,
goog.editor.range.getDeepEndPoint(
goog.dom.Range.createCaret(div, 2), true));
}
function testNormalizeOnNormalizedDom() {
var defText = $('def').firstChild;
var jklText = $('jkl').firstChild;
var range = goog.dom.Range.createFromNodes(defText, 1, jklText, 2);
var newRange = normalizeBody(range);
goog.testing.dom.assertRangeEquals(defText, 1, jklText, 2, newRange);
}
function testDeepPointFindingOnNormalizedDom() {
var def = $('def');
var jkl = $('jkl');
var range = goog.dom.Range.createFromNodes(def, 0, jkl, 1);
var newRange = normalizeBody(range);
// Make sure that newRange is measured relative to the text nodes,
// not the DIV elements.
goog.testing.dom.assertRangeEquals(
def.firstChild, 0, jkl.firstChild, 3, newRange);
}
function testNormalizeOnVeryFragmentedDom() {
var defText = $('def').firstChild;
var jklText = $('jkl').firstChild;
var range = goog.dom.Range.createFromNodes(defText, 1, jklText, 2);
// Fragment the DOM a bunch.
fragmentText(defText);
fragmentText(jklText);
var newRange = normalizeBody(range);
// our old text nodes may not be valid anymore. find new ones.
defText = $('def').firstChild;
jklText = $('jkl').firstChild;
goog.testing.dom.assertRangeEquals(defText, 1, jklText, 2, newRange);
}
function testNormalizeOnDivWithEmptyTextNodes() {
var emptyDiv = $('normalizeTest-with-empty-text-nodes');
// Append empty text nodes to the emptyDiv.
var tnode1 = goog.dom.createTextNode('');
var tnode2 = goog.dom.createTextNode('');
var tnode3 = goog.dom.createTextNode('');
goog.dom.appendChild(emptyDiv, tnode1);
goog.dom.appendChild(emptyDiv, tnode2);
goog.dom.appendChild(emptyDiv, tnode3);
var range = goog.dom.Range.createFromNodes(emptyDiv, 1, emptyDiv, 2);
// Cannot use document.body.normalize() as it fails to normalize the div
// (in IE) if it has nothing but empty text nodes.
var newRange = goog.editor.range.rangePreservingNormalize(emptyDiv, range);
if (goog.userAgent.GECKO &&
goog.string.compareVersions(goog.userAgent.VERSION, '1.9') == -1) {
// In FF2, node.normalize() leaves an empty textNode in the div, unlike
// other browsers where the div is left with no children.
goog.testing.dom.assertRangeEquals(
emptyDiv.firstChild, 0, emptyDiv.firstChild, 0, newRange);
} else {
goog.testing.dom.assertRangeEquals(emptyDiv, 0, emptyDiv, 0, newRange);
}
}
function testRangeCreatedInVeryFragmentedDom() {
var def = $('def');
var defText = def.firstChild;
var jkl = $('jkl');
var jklText = jkl.firstChild;
// Fragment the DOM a bunch.
fragmentText(defText);
fragmentText(jklText);
// Notice that there are two empty text nodes at the beginning of each
// fragmented node.
var range = goog.dom.Range.createFromNodes(def, 3, jkl, 4);
var newRange = normalizeBody(range);
// our old text nodes may not be valid anymore. find new ones.
defText = $('def').firstChild;
jklText = $('jkl').firstChild;
goog.testing.dom.assertRangeEquals(defText, 1, jklText, 2, newRange);
}
function testNormalizeInFragmentedDomWithPreviousSiblings() {
var ghiText = $('def').nextSibling;
var mnoText = $('jkl').nextSibling;
var range = goog.dom.Range.createFromNodes(ghiText, 1, mnoText, 2);
// Fragment the DOM a bunch.
fragmentText($('def').previousSibling); // fragment abc
fragmentText(ghiText);
fragmentText(mnoText);
var newRange = normalizeBody(range);
// our old text nodes may not be valid anymore. find new ones.
ghiText = $('def').nextSibling;
mnoText = $('jkl').nextSibling;
goog.testing.dom.assertRangeEquals(ghiText, 1, mnoText, 2, newRange);
}
function testRangeCreatedInFragmentedDomWithPreviousSiblings() {
var def = $('def');
var ghiText = $('def').nextSibling;
var jkl = $('jkl');
var mnoText = $('jkl').nextSibling;
// Fragment the DOM a bunch.
fragmentText($('def').previousSibling); // fragment abc
fragmentText(ghiText);
fragmentText(mnoText);
// Notice that there are two empty text nodes at the beginning of each
// fragmented node.
var root = $('parentNode');
var range = goog.dom.Range.createFromNodes(root, 9, root, 16);
var newRange = normalizeBody(range);
// our old text nodes may not be valid anymore. find new ones.
ghiText = $('def').nextSibling;
mnoText = $('jkl').nextSibling;
goog.testing.dom.assertRangeEquals(ghiText, 1, mnoText, 2, newRange);
}
/**
* Branched from the tests for goog.dom.SavedCaretRange.
*/
function testSavedCaretRange() {
var def = $('def-1');
var jkl = $('jkl-1');
var range = goog.dom.Range.createFromNodes(
def.firstChild, 1, jkl.firstChild, 2);
range.select();
var saved = goog.editor.range.saveUsingNormalizedCarets(range);
assertHTMLEquals(
"d<span id='" + saved.startCaretId_ + "'></span>ef", def.innerHTML);
assertHTMLEquals(
"jk<span id='" + saved.endCaretId_ + "'></span>l", jkl.innerHTML);
clearSelectionAndRestoreSaved(saved);
var selection = goog.dom.Range.createFromWindow(window);
def = $('def-1');
jkl = $('jkl-1');
assertHTMLEquals('def', def.innerHTML);
assertHTMLEquals('jkl', jkl.innerHTML);
// Check that everything was normalized ok.
assertEquals(1, def.childNodes.length);
assertEquals(1, jkl.childNodes.length);
goog.testing.dom.assertRangeEquals(
def.firstChild, 1, jkl.firstChild, 2, selection);
}
function testRangePreservingNormalize() {
var parent = $('normalizeTest-4');
var def = $('def-4');
var jkl = $('jkl-4');
fragmentText(def.firstChild);
fragmentText(jkl.firstChild);
var range = goog.dom.Range.createFromNodes(def, 3, jkl, 4);
var oldRangeDescription = goog.testing.dom.exposeRange(range);
range = goog.editor.range.rangePreservingNormalize(parent, range);
// Check that everything was normalized ok.
assertEquals("def should have 1 child; range is " +
goog.testing.dom.exposeRange(range) +
", range was " + oldRangeDescription,
1, def.childNodes.length);
assertEquals("jkl should have 1 child; range is " +
goog.testing.dom.exposeRange(range) +
", range was " + oldRangeDescription,
1, jkl.childNodes.length);
goog.testing.dom.assertRangeEquals(def.firstChild, 1, jkl.firstChild, 2,
range);
}
function testRangePreservingNormalizeWhereEndNodePreviousSiblingIsSplit() {
var parent = $('normalizeTest-with-br');
var br = parent.childNodes[1];
fragmentText(parent.firstChild);
var range = goog.dom.Range.createFromNodes(parent, 3, br, 0);
range = goog.editor.range.rangePreservingNormalize(parent, range);
// Code used to throw an error here.
assertEquals('parent should have 3 children', 3, parent.childNodes.length);
goog.testing.dom.assertRangeEquals(parent.firstChild, 1, parent, 1, range);
}
function testRangePreservingNormalizeWhereStartNodePreviousSiblingIsSplit() {
var parent = $('normalizeTest-with-br');
var br = parent.childNodes[1];
fragmentText(parent.firstChild);
fragmentText(parent.lastChild);
var range = goog.dom.Range.createFromNodes(br, 0, parent, 9);
range = goog.editor.range.rangePreservingNormalize(parent, range);
// Code used to throw an error here.
assertEquals('parent should have 3 children', 3, parent.childNodes.length);
goog.testing.dom.assertRangeEquals(parent, 1, parent.lastChild, 1, range);
}
function testSelectionPreservingNormalize1() {
var parent = $('normalizeTest-2');
var def = $('def-2');
var jkl = $('jkl-2');
fragmentText(def.firstChild);
fragmentText(jkl.firstChild);
goog.dom.Range.createFromNodes(def, 3, jkl, 4).select();
var oldRangeDescription = goog.testing.dom.exposeRange(
goog.dom.Range.createFromWindow(window));
goog.editor.range.selectionPreservingNormalize(parent);
// Check that everything was normalized ok.
var range = goog.dom.Range.createFromWindow(window);
assertEquals("def should have 1 child; range is " +
goog.testing.dom.exposeRange(range) +
", range was " + oldRangeDescription,
1, def.childNodes.length);
assertEquals("jkl should have 1 child; range is " +
goog.testing.dom.exposeRange(range) +
", range was " + oldRangeDescription,
1, jkl.childNodes.length);
goog.testing.dom.assertRangeEquals(def.firstChild, 1, jkl.firstChild, 2,
range);
}
/**
* Make sure that selectionPreservingNormalize doesn't explode with no
* selection in the document.
*/
function testSelectionPreservingNormalize2() {
var parent = $('normalizeTest-3');
var def = $('def-3');
var jkl = $('jkl-3');
def.firstChild.splitText(1);
jkl.firstChild.splitText(2);
goog.dom.Range.clearSelection(window);
goog.editor.range.selectionPreservingNormalize(parent);
// Check that everything was normalized ok.
assertEquals(1, def.childNodes.length);
assertEquals(1, jkl.childNodes.length);
assertFalse(goog.dom.Range.hasSelection(window));
}
function testSelectionPreservingNormalizeAfterPlaceCursorNextTo() {
var parent = $('normalizeTest-with-div');
goog.editor.range.placeCursorNextTo(parent.firstChild);
goog.editor.range.selectionPreservingNormalize(parent);
// Code used to throw an exception here.
}
/** Normalize the body and return the normalized range. */
function normalizeBody(range) {
var rangeFactory = goog.editor.range.normalize(range);
document.body.normalize();
return rangeFactory();
}
/** Break a text node up into lots of little fragments. */
function fragmentText(text) {
// NOTE(nicksantos): For some reason, splitText makes IE deeply
// unhappy to the point where normalize and other normal DOM operations
// start failing. It's a useful test for Firefox though, because different
// versions of FireFox handle empty text nodes differently.
// See goog.editor.BrowserFeature.
if (goog.userAgent.IE) {
manualSplitText(text, 2);
manualSplitText(text, 1);
manualSplitText(text, 0);
manualSplitText(text, 0);
} else {
text.splitText(2);
text.splitText(1);
text.splitText(0);
text.splitText(0);
}
}
/**
* Clear the selection by re-parsing the DOM. Then restore the saved
* selection.
* @param {goog.dom.SavedRange} saved The saved range.
*/
function clearSelectionAndRestoreSaved(saved) {
goog.dom.Range.clearSelection(window);
assertFalse(goog.dom.Range.hasSelection(window));
saved.restore();
assertTrue(goog.dom.Range.hasSelection(window));
}
function manualSplitText(node, pos) {
var newNodeString = node.nodeValue.substr(pos);
node.nodeValue = node.nodeValue.substr(0, pos);
goog.dom.insertSiblingAfter(document.createTextNode(newNodeString), node);
}
function testSelectNodeStartSimple() {
var div = $('parentNode');
div.innerHTML = '<p>Cursor should go in here</p>';
goog.editor.range.selectNodeStart(div);
var range = goog.dom.Range.createFromWindow(window);
// Gotta love browsers and their inconsistencies with selection
// representations. What we are trying to achieve is that when we type
// the text will go into the P node. In Gecko, the selection is at the start
// of the text node, as you'd expect, but in pre-530 Webkit, it has been
// normalized to the visible position of P:0.
if (goog.userAgent.GECKO || goog.userAgent.IE ||
(goog.userAgent.WEBKIT && goog.userAgent.isVersion('530'))) {
goog.testing.dom.assertRangeEquals(div.firstChild.firstChild, 0,
div.firstChild.firstChild, 0, range);
} else {
goog.testing.dom.assertRangeEquals(div.firstChild, 0,
div.firstChild, 0, range);
}
}
function testSelectNodeStartBr() {
var div = $('parentNode')
div.innerHTML = '<p><br>Cursor should go in here</p>';
goog.editor.range.selectNodeStart(div);
var range = goog.dom.Range.createFromWindow(window);
// We have to skip the BR since Gecko can't render a cursor at a BR.
goog.testing.dom.assertRangeEquals(div.firstChild, 0,
div.firstChild, 0, range);
}
function testIsEditable() {
var containerElement = document.getElementById('editableTest');
// Find editable container element's index.
var containerIndex = 0;
var currentSibling = containerElement;
while (currentSibling = currentSibling.previousSibling) {
containerIndex++;
}
var editableContainer = goog.dom.Range.createFromNodes(
containerElement.parentNode, containerIndex,
containerElement.parentNode, containerIndex + 1);
assertFalse('Range containing container element not considered editable',
goog.editor.range.isEditable(editableContainer));
var allEditableChildren = goog.dom.Range.createFromNodes(
containerElement, 0, containerElement, containerElement.childNodes.length);
assertTrue('Range of all of container element children considered editable',
goog.editor.range.isEditable(allEditableChildren));
var someEditableChildren = goog.dom.Range.createFromNodes(
containerElement, 2, containerElement, 6);
assertTrue('Range of some container element children considered editable',
goog.editor.range.isEditable(someEditableChildren));
var mixedEditableNonEditable = goog.dom.Range.createFromNodes(
containerElement.previousSibling, 0, containerElement, 2);
assertFalse('Range overlapping some content not considered editable',
goog.editor.range.isEditable(mixedEditableNonEditable));
}
function testIntersectsTag() {
var root = $('root');
root.innerHTML =
'<b>Bold</b><p><span><code>x</code></span></p><p>y</p><i>Italic</i>';
// Select the whole thing.
var range = goog.dom.Range.createFromNodeContents(root);
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.DIV));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.B));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.I));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.CODE));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.U));
// Just select italic.
range = goog.dom.Range.createFromNodes(root, 3, root, 4);
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.DIV));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.B));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.I));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.CODE));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.U));
// Select "ld x y".
range = goog.dom.Range.createFromNodes(root.firstChild.firstChild, 2,
root.childNodes[2], 1);
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.DIV));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.B));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.I));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.CODE));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.U));
// Select ol.
range = goog.dom.Range.createFromNodes(root.firstChild.firstChild, 1,
root.firstChild.firstChild, 3);
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.DIV));
assertTrue(goog.editor.range.intersectsTag(range, goog.dom.TagName.B));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.I));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.CODE));
assertFalse(goog.editor.range.intersectsTag(range, goog.dom.TagName.U));
}
function testNormalizeNode() {
var div = goog.dom.createDom('DIV', null, 'a', 'b', 'c');
assertEquals(3, div.childNodes.length);
goog.editor.range.normalizeNode(div);
assertEquals(1, div.childNodes.length);
assertEquals('abc', div.firstChild.nodeValue);
div = goog.dom.createDom('DIV', null,
goog.dom.createDom('SPAN', null, '1', '2'),
goog.dom.createTextNode(''),
goog.dom.createDom('BR'),
'b',
'c');
assertEquals(5, div.childNodes.length);
assertEquals(2, div.firstChild.childNodes.length);
goog.editor.range.normalizeNode(div);
if (goog.userAgent.GECKO && !goog.userAgent.isVersion(1.9) ||
goog.userAgent.WEBKIT && !goog.userAgent.isVersion(526)) {
// Old Gecko and Webkit versions don't delete the empty node.
assertEquals(4, div.childNodes.length);
} else {
assertEquals(3, div.childNodes.length);
}
assertEquals(1, div.firstChild.childNodes.length);
assertEquals('12', div.firstChild.firstChild.nodeValue);
assertEquals('bc', div.lastChild.nodeValue);
assertEquals('BR', div.lastChild.previousSibling.tagName);
}
function testDeepestPoint() {
var parent = $('parentNode');
var def = $('def');
assertEquals(def, parent.childNodes[1]);
var deepestPoint = goog.editor.range.Point.createDeepestPoint;
var defStartLeft = deepestPoint(parent, 1, true);
assertPointEquals(def.previousSibling, def.previousSibling.nodeValue.length,
defStartLeft);
var defStartRight = deepestPoint(parent, 1, false);
assertPointEquals(def.firstChild, 0, defStartRight);
var defEndLeft = deepestPoint(parent, 2, true);
assertPointEquals(def.firstChild, def.firstChild.nodeValue.length,
defEndLeft);
var defEndRight = deepestPoint(parent, 2, false);
assertPointEquals(def.nextSibling, 0, defEndRight);
}
function assertPointEquals(node, offset, actualPoint) {
assertEquals('Point has wrong node', node, actualPoint.node);
assertEquals('Point has wrong offset', offset, actualPoint.offset);
}
</script>
</body>
</html>
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