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Make checkbox and radio also submit by clicking the submit button, like text

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inputs do.  Bug 190559, r+sr=jst
This commit is contained in:
bzbarsky%mit.edu 2004-01-05 23:39:50 +00:00
parent a700cd7a74
commit a39d4b7363
1 changed files with 80 additions and 77 deletions
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157
content/html/content/src/nsHTMLInputElement.cpp
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@ -303,6 +303,12 @@ protected:
*/
already_AddRefed<nsIRadioGroupContainer> GetRadioGroupContainer();
/**
* MaybeSubmitForm looks for a submit input or a single text control
* and submits the form if either is present.
*/
nsresult MaybeSubmitForm(nsIPresContext* aPresContext);
nsCOMPtr<nsIControllers> mControllers;
/**
@ -1011,6 +1017,77 @@ nsHTMLInputElement::GetRadioGroupContainer()
return retval;
}
nsresult
nsHTMLInputElement::MaybeSubmitForm(nsIPresContext* aPresContext)
{
if (!mForm) {
// Nothing to do here.
return NS_OK;
}
// Find the first submit control in elements[]
// and also check how many text controls we have in the form
nsCOMPtr<nsIContent> submitControl;
PRInt32 numTextControlsFound = 0;
nsCOMPtr<nsISimpleEnumerator> formControls;
mForm->GetControlEnumerator(getter_AddRefs(formControls));
nsCOMPtr<nsISupports> currentControlSupports;
nsCOMPtr<nsIFormControl> currentControl;
PRBool hasMoreElements;
nsresult rv;
while (NS_SUCCEEDED(rv = formControls->HasMoreElements(&hasMoreElements)) &&
hasMoreElements) {
rv = formControls->GetNext(getter_AddRefs(currentControlSupports));
NS_ENSURE_SUCCESS(rv, rv);
currentControl = do_QueryInterface(currentControlSupports);
if (currentControl) {
PRInt32 type = currentControl->GetType();
if (!submitControl &&
(type == NS_FORM_INPUT_SUBMIT ||
type == NS_FORM_BUTTON_SUBMIT ||
type == NS_FORM_INPUT_IMAGE)) {
submitControl = do_QueryInterface(currentControl);
// We know as soon as we find a submit control that it no
// longer matters how many text controls there are--we are
// going to fire the onClick handler.
break;
} else if (type == NS_FORM_INPUT_TEXT ||
type == NS_FORM_INPUT_PASSWORD) {
numTextControlsFound++;
}
}
}
NS_ENSURE_SUCCESS(rv, rv);
nsIPresShell* shell = aPresContext->GetPresShell();
if (shell) {
if (submitControl) {
// Fire the button's onclick handler and let the button handle
// submitting the form.
nsGUIEvent event;
event.eventStructType = NS_MOUSE_EVENT;
event.message = NS_MOUSE_LEFT_CLICK;
event.widget = nsnull;
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(submitControl, &event, &status);
} else if (numTextControlsFound == 1) {
// If there's only one text control, just submit the form
nsCOMPtr<nsIContent> form = do_QueryInterface(mForm);
nsFormEvent event;
event.eventStructType = NS_FORM_EVENT;
event.message = NS_FORM_SUBMIT;
event.originator = nsnull;
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(form, &event, &status);
}
}
return NS_OK;
}
nsresult
nsHTMLInputElement::SetCheckedInternal(PRBool aChecked)
{
@ -1586,22 +1663,8 @@ nsHTMLInputElement::HandleDOMEvent(nsIPresContext* aPresContext,
{
// Checkbox and Radio try to submit on Enter press
if (keyEvent->keyCode != NS_VK_SPACE) {
// Generate a submit event targeted at the form content
nsCOMPtr<nsIContent> form(do_QueryInterface(mForm));
MaybeSubmitForm(aPresContext);
if (form) {
nsIPresShell *shell = aPresContext->GetPresShell();
if (shell) {
nsCOMPtr<nsIContent> formControl = this; // kungFuDeathGrip
nsFormEvent event;
event.eventStructType = NS_FORM_EVENT;
event.message = NS_FORM_SUBMIT;
event.originator = formControl;
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(form, &event, &status);
}
}
break; // If we are submitting, do not send click event
}
// else fall through and treat Space like click...
@ -1659,68 +1722,8 @@ nsHTMLInputElement::HandleDOMEvent(nsIPresContext* aPresContext,
}
}
// mForm is null if the event handler (CheckFireOnChange above)
// removed us from the document (bug 194582).
if (mForm) {
// Find the first submit control in elements[]
// and also check how many text controls we have in the form
nsCOMPtr<nsIContent> submitControl;
PRInt32 numTextControlsFound = 0;
nsCOMPtr<nsISimpleEnumerator> formControls;
mForm->GetControlEnumerator(getter_AddRefs(formControls));
nsCOMPtr<nsISupports> currentControlSupports;
nsCOMPtr<nsIFormControl> currentControl;
PRBool hasMoreElements;
while (NS_SUCCEEDED(rv = formControls->HasMoreElements(&hasMoreElements)) &&
hasMoreElements) {
rv = formControls->GetNext(getter_AddRefs(currentControlSupports));
NS_ENSURE_SUCCESS(rv, rv);
currentControl = do_QueryInterface(currentControlSupports);
if (currentControl) {
PRInt32 type = currentControl->GetType();
if (!submitControl &&
(type == NS_FORM_INPUT_SUBMIT ||
type == NS_FORM_BUTTON_SUBMIT ||
type == NS_FORM_INPUT_IMAGE)) {
submitControl = do_QueryInterface(currentControl);
// We know as soon as we find a submit control that it no
// longer matters how many text controls there are--we are
// going to fire the onClick handler.
break;
} else if (type == NS_FORM_INPUT_TEXT ||
type == NS_FORM_INPUT_PASSWORD) {
numTextControlsFound++;
}
}
}
NS_ENSURE_SUCCESS(rv, rv);
nsIPresShell *shell = aPresContext->GetPresShell();
if (shell) {
if (submitControl) {
// Fire the button's onclick handler and let the button handle
// submitting the form.
nsGUIEvent event;
event.eventStructType = NS_MOUSE_EVENT;
event.message = NS_MOUSE_LEFT_CLICK;
event.widget = nsnull;
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(submitControl, &event, &status);
} else if (numTextControlsFound == 1) {
// If there's only one text control, just submit the form
nsCOMPtr<nsIContent> form = do_QueryInterface(mForm);
nsFormEvent event;
event.eventStructType = NS_FORM_EVENT;
event.message = NS_FORM_SUBMIT;
event.originator = nsnull;
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(form, &event, &status);
}
}
}
rv = MaybeSubmitForm(aPresContext);
NS_ENSURE_SUCCESS(rv, rv);
}
} break; // NS_KEY_PRESS || NS_KEY_UP