gecko-dev/layout/forms/nsFileControlFrame.cpp
karnaze%netscape.com f50e55787a nsIFormControlFrames initiate insertion into nsFormFrame's list;
turned off url encoding of '.' and '_" to match Nav
fixed bug where non clicked buttons submitted data;
fixed bug where <select>s with initial values were not submitting that value;
1998-10-30 18:05:29 +00:00

335 lines
9.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsFileControlFrame.h"
#include "nsFormFrame.h"
#include "nsButtonControlFrame.h"
#include "nsTextControlFrame.h"
#include "nsIContent.h"
#include "prtypes.h"
#include "nsIAtom.h"
#include "nsIPresContext.h"
#include "nsIHTMLContent.h"
#include "nsHTMLIIDs.h"
#include "nsHTMLAtoms.h"
#include "nsIFileWidget.h"
#include "nsITextWidget.h"
#include "nsWidgetsCID.h"
#include "nsRepository.h"
#include "nsIView.h"
#include "nsHTMLParts.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsHTMLParts.h"
#include "nsIFormControl.h"
// XXX make this pixels
#define CONTROL_SPACING 40
static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
static NS_DEFINE_IID(kIFileWidgetIID, NS_IFILEWIDGET_IID);
static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
nsresult
NS_NewFileControlFrame(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame*& aResult)
{
aResult = new nsFileControlFrame(aContent, aParent);
if (nsnull == aResult) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
nsFileControlFrame::nsFileControlFrame(nsIContent* aContent, nsIFrame* aParentFrame)
: nsHTMLContainerFrame(aContent, aParentFrame)
{
mTextFrame = nsnull;
mBrowseFrame = nsnull;
mFormFrame = nsnull;
}
nsFileControlFrame::~nsFileControlFrame()
{
}
nsresult
nsFileControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
NS_PRECONDITION(0 != aInstancePtr, "null ptr");
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kIFormControlFrameIID)) {
*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
return NS_OK;
}
return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
}
PRBool
nsFileControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
{
nsAutoString name;
return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
}
void
nsFileControlFrame::Reset()
{
if (mTextFrame) {
mTextFrame->Reset();
}
}
NS_IMETHODIMP
nsFileControlFrame::GetType(PRInt32* aType) const
{
*aType = NS_FORM_INPUT_FILE;
return NS_OK;
}
// XXX this should be removed when nsView exposes it
nsIWidget*
GetWindowTemp(nsIView *aView)
{
nsIWidget *window = nsnull;
nsIView *ancestor = aView;
while (nsnull != ancestor) {
ancestor->GetWidget(window);
if (nsnull != window) {
return window;
}
ancestor->GetParent(ancestor);
}
return nsnull;
}
void
nsFileControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
{
if (mTextFrame) {
mTextFrame->SetFocus(aOn, aRepaint);
}
}
// this is in response to the MouseClick from the containing browse button
// XXX still need to get filters from accept attribute
void nsFileControlFrame::MouseClicked(nsIPresContext* aPresContext)
{
nsIView* textView;
mTextFrame->GetView(textView);
if (nsnull == textView) {
return;
}
nsIWidget* widget;
mTextFrame->GetWidget(&widget);
if (!widget) {
return;
}
nsITextWidget* textWidget;
nsresult result = widget->QueryInterface(kITextWidgetIID, (void**)&textWidget);
if (NS_OK != result) {
NS_RELEASE(widget);
return;
}
nsIView* parentView;
textView->GetParent(parentView);
nsIWidget* parentWidget = GetWindowTemp(parentView);
nsIFileWidget *fileWidget;
nsString title("FileWidget Title <here> mode = save");
nsRepository::CreateInstance(kCFileWidgetCID, nsnull, kIFileWidgetIID, (void**)&fileWidget);
nsString titles[] = {"all files"};
nsString filters[] = {"*.*"};
fileWidget->SetFilterList(1, titles, filters);
fileWidget->Create(parentWidget, title, eMode_load, nsnull, nsnull);
result = fileWidget->Show();
if (result) {
PRUint32 size;
nsString fileName;
fileWidget->GetFile(fileName);
textWidget->SetText(fileName,size);
}
NS_RELEASE(fileWidget);
NS_RELEASE(parentWidget);
NS_RELEASE(textWidget);
NS_RELEASE(widget);
}
void SetType(nsIHTMLContent* aElement, nsString& aValue)
{
nsIHTMLContent* iContent = nsnull;
nsresult result = aElement->QueryInterface(kIHTMLContentIID, (void**)&iContent);
if ((NS_OK == result) && iContent) {
iContent->SetAttribute("type", aValue, PR_FALSE);
NS_RELEASE(iContent);
}
}
NS_IMETHODIMP nsFileControlFrame::Reflow(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
PRInt32 numChildren = LengthOf(mFirstChild);
nsIFrame* childFrame;
if (0 == numChildren) {
// XXX This code should move to Init(), someday when the frame construction
// changes are all done and Init() is always getting called...
PRBool disabled = nsFormFrame::GetDisabled(this);
nsIHTMLContent* text = nsnull;
nsIAtom* tag = NS_NewAtom("text");
NS_NewHTMLInputElement(&text, tag);
text->SetAttribute("type", "text", PR_FALSE);
if (disabled) {
text->SetAttribute("disabled", "1", PR_FALSE);
}
NS_NewTextControlFrame(text, this, childFrame);
childFrame->SetStyleContext(&aPresContext, mStyleContext);
mTextFrame = (nsTextControlFrame*)childFrame;
mFirstChild = childFrame;
nsIHTMLContent* browse = nsnull;
tag = NS_NewAtom("browse");
NS_NewHTMLInputElement(&browse, tag);
browse->SetAttribute("type", "browse", PR_FALSE);
if (disabled) {
browse->SetAttribute("disabled", "1", PR_FALSE);
}
NS_NewButtonControlFrame(browse, this, childFrame);
((nsButtonControlFrame*)childFrame)->SetFileControlFrame(this);
mBrowseFrame = (nsButtonControlFrame*)childFrame;
childFrame->SetStyleContext(&aPresContext, mStyleContext);
mFirstChild->SetNextSibling(childFrame);
NS_RELEASE(text);
NS_RELEASE(browse);
}
nsSize maxSize = aReflowState.maxSize;
nsHTMLReflowMetrics desiredSize = aDesiredSize;
aDesiredSize.width = CONTROL_SPACING;
aDesiredSize.height = 0;
childFrame = mFirstChild;
nsPoint offset(0,0);
while (nsnull != childFrame) { // reflow, place, size the children
nsHTMLReflowState reflowState(aPresContext, childFrame, aReflowState,
maxSize);
nsIHTMLReflow* htmlReflow;
if (NS_OK == childFrame->QueryInterface(kIHTMLReflowIID, (void**)&htmlReflow)) {
htmlReflow->WillReflow(aPresContext);
nsresult result = htmlReflow->Reflow(aPresContext, desiredSize, reflowState, aStatus);
NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
nsRect rect(offset.x, offset.y, desiredSize.width, desiredSize.height);
childFrame->SetRect(rect);
maxSize.width -= desiredSize.width;
aDesiredSize.width += desiredSize.width;
aDesiredSize.height = desiredSize.height;
childFrame->GetNextSibling(childFrame);
offset.x += desiredSize.width + CONTROL_SPACING;
}
}
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
if (nsnull != aDesiredSize.maxElementSize) {
aDesiredSize.maxElementSize->width = aDesiredSize.width;
aDesiredSize.maxElementSize->height = aDesiredSize.height;
}
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
PRIntn
nsFileControlFrame::GetSkipSides() const
{
return 0;
}
NS_IMETHODIMP
nsFileControlFrame::GetName(nsString* aResult)
{
nsresult result = NS_FORM_NOTOK;
if (mContent) {
nsIHTMLContent* formControl = nsnull;
result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
if ((NS_OK == result) && formControl) {
nsHTMLValue value;
result = formControl->GetAttribute(nsHTMLAtoms::name, value);
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
if (eHTMLUnit_String == value.GetUnit()) {
value.GetStringValue(*aResult);
}
}
NS_RELEASE(formControl);
}
}
return result;
}
PRInt32
nsFileControlFrame::GetMaxNumValues()
{
return 1;
}
PRBool
nsFileControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
nsString* aValues, nsString* aNames)
{
nsAutoString name;
nsresult result = GetName(&name);
if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
return PR_FALSE;
}
// use our name and the text widgets value
aNames[0] = name;
nsresult status = PR_FALSE;
nsIWidget* widget;
nsITextWidget* textWidget;
mTextFrame->GetWidget(&widget);
if (widget && (NS_OK == widget->QueryInterface(kITextWidgetIID, (void**)&textWidget))) {
PRUint32 actualSize;
textWidget->GetText(aValues[0], 0, actualSize);
aNumValues = 1;
NS_RELEASE(textWidget);
status = PR_TRUE;
}
NS_IF_RELEASE(widget);
return status;
}