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Implemented Set/GetValue for Select elements

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git-svn-id: svn://10.0.0.236/trunk@35269 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
vidur%netscape.com 1999-06-14 23:14:17 +00:00
parent 1c9d68fcb2
commit 9c6cbaff82
2 changed files with 118 additions and 2 deletions
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60
mozilla/content/html/content/src/nsHTMLSelectElement.cpp
View File

@ -37,6 +37,7 @@
#include "nsGenericDOMHTMLCollection.h"
#include "nsIJSScriptObject.h"
#include "nsISelectElement.h"
#include "nsCOMPtr.h"
// Notify/query select frame for selectedIndex
#include "nsIDocument.h"
@ -480,7 +481,64 @@ nsHTMLSelectElement::SetSelectedIndex(PRInt32 aValue)
return NS_OK;
}
NS_IMPL_STRING_ATTR(nsHTMLSelectElement, Value, value)
//NS_IMPL_STRING_ATTR(nsHTMLSelectElement, Value, value)
NS_IMETHODIMP
nsHTMLSelectElement::GetValue(nsString& aValue)
{
nsresult result = NS_OK;
PRInt32 selectedIndex;
result = GetSelectedIndex(&selectedIndex);
if (NS_SUCCEEDED(result)) {
nsCOMPtr<nsIDOMHTMLCollection> options;
result = GetOptions(getter_AddRefs(options));
if (NS_SUCCEEDED(result)) {
nsCOMPtr<nsIDOMNode> node;
result = options->Item(selectedIndex, getter_AddRefs(node));
if (NS_SUCCEEDED(result) && node) {
nsCOMPtr<nsIDOMHTMLOptionElement> option = do_QueryInterface(node);
if (option) {
option->GetValue(aValue);
}
}
}
}
return result;
}
NS_IMETHODIMP
nsHTMLSelectElement::SetValue(const nsString& aValue)
{
nsresult result = NS_OK;
nsCOMPtr<nsIDOMHTMLCollection> options;
result = GetOptions(getter_AddRefs(options));
if (NS_SUCCEEDED(result)) {
PRUint32 i, length;
options->GetLength(&length);
for(i = 0; i < length; i++) {
nsCOMPtr<nsIDOMNode> node;
result = options->Item(i, getter_AddRefs(node));
if (NS_SUCCEEDED(result) && node) {
nsCOMPtr<nsIDOMHTMLOptionElement> option = do_QueryInterface(node);
if (option) {
nsAutoString optionVal;
option->GetValue(optionVal);
if (optionVal.Equals(aValue)) {
SetSelectedIndex((PRInt32)i);
break;
}
}
}
}
}
return result;
}
NS_IMPL_BOOL_ATTR(nsHTMLSelectElement, Disabled, disabled)
NS_IMPL_BOOL_ATTR(nsHTMLSelectElement, Multiple, multiple)
NS_IMPL_STRING_ATTR(nsHTMLSelectElement, Name, name)

60
mozilla/layout/html/content/src/nsHTMLSelectElement.cpp
View File

@ -37,6 +37,7 @@
#include "nsGenericDOMHTMLCollection.h"
#include "nsIJSScriptObject.h"
#include "nsISelectElement.h"
#include "nsCOMPtr.h"
// Notify/query select frame for selectedIndex
#include "nsIDocument.h"
@ -480,7 +481,64 @@ nsHTMLSelectElement::SetSelectedIndex(PRInt32 aValue)
return NS_OK;
}
NS_IMPL_STRING_ATTR(nsHTMLSelectElement, Value, value)
//NS_IMPL_STRING_ATTR(nsHTMLSelectElement, Value, value)
NS_IMETHODIMP
nsHTMLSelectElement::GetValue(nsString& aValue)
{
nsresult result = NS_OK;
PRInt32 selectedIndex;
result = GetSelectedIndex(&selectedIndex);
if (NS_SUCCEEDED(result)) {
nsCOMPtr<nsIDOMHTMLCollection> options;
result = GetOptions(getter_AddRefs(options));
if (NS_SUCCEEDED(result)) {
nsCOMPtr<nsIDOMNode> node;
result = options->Item(selectedIndex, getter_AddRefs(node));
if (NS_SUCCEEDED(result) && node) {
nsCOMPtr<nsIDOMHTMLOptionElement> option = do_QueryInterface(node);
if (option) {
option->GetValue(aValue);
}
}
}
}
return result;
}
NS_IMETHODIMP
nsHTMLSelectElement::SetValue(const nsString& aValue)
{
nsresult result = NS_OK;
nsCOMPtr<nsIDOMHTMLCollection> options;
result = GetOptions(getter_AddRefs(options));
if (NS_SUCCEEDED(result)) {
PRUint32 i, length;
options->GetLength(&length);
for(i = 0; i < length; i++) {
nsCOMPtr<nsIDOMNode> node;
result = options->Item(i, getter_AddRefs(node));
if (NS_SUCCEEDED(result) && node) {
nsCOMPtr<nsIDOMHTMLOptionElement> option = do_QueryInterface(node);
if (option) {
nsAutoString optionVal;
option->GetValue(optionVal);
if (optionVal.Equals(aValue)) {
SetSelectedIndex((PRInt32)i);
break;
}
}
}
}
}
return result;
}
NS_IMPL_BOOL_ATTR(nsHTMLSelectElement, Disabled, disabled)
NS_IMPL_BOOL_ATTR(nsHTMLSelectElement, Multiple, multiple)
NS_IMPL_STRING_ATTR(nsHTMLSelectElement, Name, name)