void HTMLTextFormControlElement::setInnerEditorValue(const String& value)
{
ASSERT(!openShadowRoot());
if (!isTextFormControl() || openShadowRoot())
return;
bool textIsChanged = value != innerEditorValue();
HTMLElement* innerEditor = innerEditorElement();
if (!textIsChanged && innerEditor->hasChildren())
return;
// If the last child is a trailing <br> that's appended below, remove it
// first so as to enable setInnerText() fast path of updating a text node.
if (isHTMLBRElement(innerEditor->lastChild()))
innerEditor->removeChild(innerEditor->lastChild(), ASSERT_NO_EXCEPTION);
// We don't use setTextContent. It triggers unnecessary paint.
if (value.isEmpty())
innerEditor->removeChildren();
else
replaceChildrenWithText(innerEditor, value, ASSERT_NO_EXCEPTION);
// Add <br> so that we can put the caret at the next line of the last
// newline.
addPlaceholderBreakElementIfNecessary();
if (textIsChanged && layoutObject()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->handleTextFormControlChanged(this);
}
}
void HTMLElement::setInnerText(const String& text, ExceptionCode& ec)
{
if (ieForbidsInsertHTML()) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
hasLocalName(trTag)) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
// FIXME: This doesn't take whitespace collapsing into account at all.
if (!text.contains('\n') && !text.contains('\r')) {
if (text.isEmpty()) {
removeChildren();
return;
}
replaceChildrenWithText(this, text, ec);
return;
}
// FIXME: Do we need to be able to detect preserveNewline style even when there's no renderer?
// FIXME: Can the renderer be out of date here? Do we need to call updateStyleIfNeeded?
// For example, for the contents of textarea elements that are display:none?
RenderObject* r = renderer();
if (r && r->style()->preserveNewline()) {
if (!text.contains('\r')) {
replaceChildrenWithText(this, text, ec);
return;
}
String textWithConsistentLineBreaks = text;
textWithConsistentLineBreaks.replace("\r\n", "\n");
textWithConsistentLineBreaks.replace('\r', '\n');
replaceChildrenWithText(this, textWithConsistentLineBreaks, ec);
return;
}
// Add text nodes and <br> elements.
ec = 0;
RefPtr<DocumentFragment> fragment = textToFragment(text, ec);
if (!ec)
replaceChildrenWithFragment(this, fragment.release(), ec);
}
void HTMLElement::setInnerText(const String& text, ExceptionState& exceptionState)
{
if (ieForbidsInsertHTML()) {
exceptionState.throwDOMException(NoModificationAllowedError, "The '" + localName() + "' element does not support text insertion.");
return;
}
if (shouldProhibitSetInnerOuterText(*this)) {
exceptionState.throwDOMException(NoModificationAllowedError, "The '" + localName() + "' element does not support text insertion.");
return;
}
// FIXME: This doesn't take whitespace collapsing into account at all.
if (!text.contains('\n') && !text.contains('\r')) {
if (text.isEmpty()) {
removeChildren();
return;
}
replaceChildrenWithText(this, text, exceptionState);
return;
}
// FIXME: Do we need to be able to detect preserveNewline style even when there's no renderer?
// FIXME: Can the renderer be out of date here? Do we need to call updateStyleIfNeeded?
// For example, for the contents of textarea elements that are display:none?
LayoutObject* r = layoutObject();
if (r && r->style()->preserveNewline()) {
if (!text.contains('\r')) {
replaceChildrenWithText(this, text, exceptionState);
return;
}
String textWithConsistentLineBreaks = text;
textWithConsistentLineBreaks.replace("\r\n", "\n");
textWithConsistentLineBreaks.replace('\r', '\n');
replaceChildrenWithText(this, textWithConsistentLineBreaks, exceptionState);
return;
}
// Add text nodes and <br> elements.
RefPtrWillBeRawPtr<DocumentFragment> fragment = textToFragment(text, exceptionState);
if (!exceptionState.hadException())
replaceChildrenWithFragment(this, fragment.release(), exceptionState);
}
void HTMLElement::setInnerText(const String& text, ExceptionCode& ec)
{
// follow the IE specs about when this is allowed
if (endTagRequirement() == TagStatusForbidden) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
hasLocalName(trTag)) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
// FIXME: This doesn't take whitespace collapsing into account at all.
if (!text.contains('\n') && !text.contains('\r')) {
if (text.isEmpty()) {
removeChildren();
return;
}
replaceChildrenWithText(this, text, ec);
return;
}
// FIXME: Do we need to be able to detect preserveNewline style even when there's no renderer?
// FIXME: Can the renderer be out of date here? Do we need to call updateRendering?
// For example, for the contents of textarea elements that are display:none?
RenderObject* r = renderer();
if (r && r->style()->preserveNewline()) {
if (!text.contains('\r')) {
replaceChildrenWithText(this, text, ec);
return;
}
String textWithConsistentLineBreaks = text;
textWithConsistentLineBreaks.replace("\r\n", "\n");
textWithConsistentLineBreaks.replace('\r', '\n');
replaceChildrenWithText(this, textWithConsistentLineBreaks, ec);
return;
}
// Add text nodes and <br> elements.
ec = 0;
RefPtr<DocumentFragment> fragment = new DocumentFragment(document());
int lineStart = 0;
UChar prev = 0;
int length = text.length();
for (int i = 0; i < length; ++i) {
UChar c = text[i];
if (c == '\n' || c == '\r') {
if (i > lineStart) {
fragment->appendChild(new Text(document(), text.substring(lineStart, i - lineStart)), ec);
if (ec)
return;
}
if (!(c == '\n' && i != 0 && prev == '\r')) {
fragment->appendChild(new HTMLBRElement(brTag, document()), ec);
if (ec)
return;
}
lineStart = i + 1;
}
prev = c;
}
if (length > lineStart)
fragment->appendChild(new Text(document(), text.substring(lineStart, length - lineStart)), ec);
replaceChildrenWithFragment(this, fragment.release(), ec);
}