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Bug 14419 (1 of 4): Make option text read/write (implementation) r=harishd

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This commit is contained in:
pollmann%netscape.com 2000-01-15 01:42:56 +00:00
parent 687e264d13
commit 64687ce411
2 changed files with 134 additions and 2 deletions
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68
content/html/content/src/nsHTMLOptionElement.cpp
View File

@ -91,6 +91,7 @@ public:
NS_IMETHOD GetDefaultSelected(PRBool* aDefaultSelected);
NS_IMETHOD SetDefaultSelected(PRBool aDefaultSelected);
NS_IMETHOD GetText(nsString& aText);
NS_IMETHOD SetText(const nsString& aText);
NS_IMETHOD GetIndex(PRInt32* aIndex);
NS_IMETHOD SetIndex(PRInt32 aIndex);
NS_IMETHOD GetDisabled(PRBool* aDisabled);
@ -431,6 +432,8 @@ nsHTMLOptionElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
{
if (aAttribute == nsHTMLAtoms::label) {
aHint = NS_STYLE_HINT_REFLOW;
} else if (aAttribute == nsHTMLAtoms::text) {
aHint = NS_STYLE_HINT_REFLOW;
} else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
aHint = NS_STYLE_HINT_CONTENT;
}
@ -493,7 +496,70 @@ nsHTMLOptionElement::GetText(nsString& aText)
NS_RELEASE(node);
}
}
return NS_OK;
return rv;
}
NS_IMETHODIMP
nsHTMLOptionElement::SetText(const nsString& aText)
{
PRInt32 numNodes;
PRBool usedExistingTextNode = PR_FALSE; // Do we need to create a text node?
nsresult result = mInner.ChildCount(numNodes);
if (NS_FAILED(result)) {
return result;
}
nsIDOMText* domText = nsnull;
for (PRInt32 i = 0; i < numNodes; i++) {
nsIContent* node;
result = ChildAt(i, node);
if (NS_SUCCEEDED(result)) {
result = node->QueryInterface(kIDOMTextIID, (void**)&domText);
if (NS_SUCCEEDED(result) && domText) {
result = domText->SetData(aText);
if (NS_SUCCEEDED(result)) usedExistingTextNode = PR_TRUE;
NS_RELEASE(domText);
NS_RELEASE(node);
break;
}
NS_RELEASE(node);
}
}
if (!usedExistingTextNode) {
nsIContent* text;
result = NS_NewTextNode(&text);
if (NS_OK == result) {
nsIDOMText* domtext;
result = text->QueryInterface(kIDOMTextIID, (void**)&tc);
if (NS_OK == result) {
result = domtext->SetData(aText);
if (NS_SUCCEEDED(result)) {
result = AppendChildTo(text, PR_FALSE);
if (NS_SUCCEEDED(result)) {
nsIDocument * doc;
result = GetDocument(doc);
if (NS_SUCCEEDED(result)) {
text->SetDocument(doc, PR_FALSE);
NS_IF_RELEASE(doc);
}
}
}
NS_RELEASE(domtext);
}
NS_RELEASE(text);
}
}
if (NS_SUCCEEDED(result)) {
nsIFormControlFrame* fcFrame = nsnull;
result = GetPrimaryFrame(fcFrame);
if (NS_SUCCEEDED(result) && (nsnull != fcFrame)) {
nsIComboboxControlFrame* selectFrame = nsnull;
result = fcFrame->QueryInterface(nsIComboboxControlFrame::GetIID(),(void **) &selectFrame);
if (NS_SUCCEEDED(result) && (nsnull != selectFrame)) {
selectFrame->UpdateSelection(PR_FALSE, PR_TRUE, 0);
}
}
}
return result;
}
// Options don't have frames - get the select content node

68
layout/html/content/src/nsHTMLOptionElement.cpp
View File

@ -91,6 +91,7 @@ public:
NS_IMETHOD GetDefaultSelected(PRBool* aDefaultSelected);
NS_IMETHOD SetDefaultSelected(PRBool aDefaultSelected);
NS_IMETHOD GetText(nsString& aText);
NS_IMETHOD SetText(const nsString& aText);
NS_IMETHOD GetIndex(PRInt32* aIndex);
NS_IMETHOD SetIndex(PRInt32 aIndex);
NS_IMETHOD GetDisabled(PRBool* aDisabled);
@ -431,6 +432,8 @@ nsHTMLOptionElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
{
if (aAttribute == nsHTMLAtoms::label) {
aHint = NS_STYLE_HINT_REFLOW;
} else if (aAttribute == nsHTMLAtoms::text) {
aHint = NS_STYLE_HINT_REFLOW;
} else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
aHint = NS_STYLE_HINT_CONTENT;
}
@ -493,7 +496,70 @@ nsHTMLOptionElement::GetText(nsString& aText)
NS_RELEASE(node);
}
}
return NS_OK;
return rv;
}
NS_IMETHODIMP
nsHTMLOptionElement::SetText(const nsString& aText)
{
PRInt32 numNodes;
PRBool usedExistingTextNode = PR_FALSE; // Do we need to create a text node?
nsresult result = mInner.ChildCount(numNodes);
if (NS_FAILED(result)) {
return result;
}
nsIDOMText* domText = nsnull;
for (PRInt32 i = 0; i < numNodes; i++) {
nsIContent* node;
result = ChildAt(i, node);
if (NS_SUCCEEDED(result)) {
result = node->QueryInterface(kIDOMTextIID, (void**)&domText);
if (NS_SUCCEEDED(result) && domText) {
result = domText->SetData(aText);
if (NS_SUCCEEDED(result)) usedExistingTextNode = PR_TRUE;
NS_RELEASE(domText);
NS_RELEASE(node);
break;
}
NS_RELEASE(node);
}
}
if (!usedExistingTextNode) {
nsIContent* text;
result = NS_NewTextNode(&text);
if (NS_OK == result) {
nsIDOMText* domtext;
result = text->QueryInterface(kIDOMTextIID, (void**)&tc);
if (NS_OK == result) {
result = domtext->SetData(aText);
if (NS_SUCCEEDED(result)) {
result = AppendChildTo(text, PR_FALSE);
if (NS_SUCCEEDED(result)) {
nsIDocument * doc;
result = GetDocument(doc);
if (NS_SUCCEEDED(result)) {
text->SetDocument(doc, PR_FALSE);
NS_IF_RELEASE(doc);
}
}
}
NS_RELEASE(domtext);
}
NS_RELEASE(text);
}
}
if (NS_SUCCEEDED(result)) {
nsIFormControlFrame* fcFrame = nsnull;
result = GetPrimaryFrame(fcFrame);
if (NS_SUCCEEDED(result) && (nsnull != fcFrame)) {
nsIComboboxControlFrame* selectFrame = nsnull;
result = fcFrame->QueryInterface(nsIComboboxControlFrame::GetIID(),(void **) &selectFrame);
if (NS_SUCCEEDED(result) && (nsnull != selectFrame)) {
selectFrame->UpdateSelection(PR_FALSE, PR_TRUE, 0);
}
}
}
return result;
}
// Options don't have frames - get the select content node