Files
Mozilla/mozilla/layout/html/content/src/nsHTMLTableElement.cpp
kipp%netscape.com f797cb3825 Whompage to remove unused extra arg to the NS_IMPL_*_ATTR macros
git-svn-id: svn://10.0.0.236/trunk@13946 18797224-902f-48f8-a5cc-f745e15eee43
1998-11-03 01:08:02 +00:00

589 lines
18 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 "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#include "nsIDOMHTMLTableElement.h"
#include "nsIScriptObjectOwner.h"
#include "nsIDOMEventReceiver.h"
#include "nsIHTMLContent.h"
#include "nsIHTMLAttributes.h"
#include "nsGenericHTMLElement.h"
#include "nsHTMLAtoms.h"
#include "nsHTMLIIDs.h"
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
static NS_DEFINE_IID(kIDOMHTMLTableElementIID, NS_IDOMHTMLTABLEELEMENT_IID);
class nsHTMLTableElement : public nsIDOMHTMLTableElement,
public nsIScriptObjectOwner,
public nsIDOMEventReceiver,
public nsIHTMLContent
{
public:
nsHTMLTableElement(nsIAtom* aTag);
~nsHTMLTableElement();
// nsISupports
NS_DECL_ISUPPORTS
// nsIDOMNode
NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
// nsIDOMElement
NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
// nsIDOMHTMLElement
NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
// nsIDOMHTMLTableElement
NS_IMETHOD GetCaption(nsIDOMHTMLTableCaptionElement** aCaption);
NS_IMETHOD SetCaption(nsIDOMHTMLTableCaptionElement* aCaption);
NS_IMETHOD GetTHead(nsIDOMHTMLTableSectionElement** aTHead);
NS_IMETHOD SetTHead(nsIDOMHTMLTableSectionElement* aTHead);
NS_IMETHOD GetTFoot(nsIDOMHTMLTableSectionElement** aTFoot);
NS_IMETHOD SetTFoot(nsIDOMHTMLTableSectionElement* aTFoot);
NS_IMETHOD GetRows(nsIDOMHTMLCollection** aRows);
NS_IMETHOD GetTBodies(nsIDOMHTMLCollection** aTBodies);
NS_IMETHOD GetAlign(nsString& aAlign);
NS_IMETHOD SetAlign(const nsString& aAlign);
NS_IMETHOD GetBgColor(nsString& aBgColor);
NS_IMETHOD SetBgColor(const nsString& aBgColor);
NS_IMETHOD GetBorder(nsString& aBorder);
NS_IMETHOD SetBorder(const nsString& aBorder);
NS_IMETHOD GetCellPadding(nsString& aCellPadding);
NS_IMETHOD SetCellPadding(const nsString& aCellPadding);
NS_IMETHOD GetCellSpacing(nsString& aCellSpacing);
NS_IMETHOD SetCellSpacing(const nsString& aCellSpacing);
NS_IMETHOD GetFrame(nsString& aFrame);
NS_IMETHOD SetFrame(const nsString& aFrame);
NS_IMETHOD GetRules(nsString& aRules);
NS_IMETHOD SetRules(const nsString& aRules);
NS_IMETHOD GetSummary(nsString& aSummary);
NS_IMETHOD SetSummary(const nsString& aSummary);
NS_IMETHOD GetWidth(nsString& aWidth);
NS_IMETHOD SetWidth(const nsString& aWidth);
NS_IMETHOD CreateTHead(nsIDOMHTMLElement** aReturn);
NS_IMETHOD DeleteTHead();
NS_IMETHOD CreateTFoot(nsIDOMHTMLElement** aReturn);
NS_IMETHOD DeleteTFoot();
NS_IMETHOD CreateCaption(nsIDOMHTMLElement** aReturn);
NS_IMETHOD DeleteCaption();
NS_IMETHOD InsertRow(PRInt32 aIndex, nsIDOMHTMLElement** aReturn);
NS_IMETHOD DeleteRow(PRInt32 aIndex);
// nsIScriptObjectOwner
NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
// nsIDOMEventReceiver
NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
// nsIContent
NS_IMPL_ICONTENT_USING_GENERIC(mInner)
// nsIHTMLContent
NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
protected:
nsGenericHTMLContainerElement mInner;
};
nsresult
NS_NewHTMLTableElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
if (nsnull == aInstancePtrResult) {
return NS_ERROR_NULL_POINTER;
}
nsIHTMLContent* it = new nsHTMLTableElement(aTag);
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
}
nsHTMLTableElement::nsHTMLTableElement(nsIAtom* aTag)
{
NS_INIT_REFCNT();
mInner.Init(this, aTag);
}
nsHTMLTableElement::~nsHTMLTableElement()
{
}
NS_IMPL_ADDREF(nsHTMLTableElement)
NS_IMPL_RELEASE(nsHTMLTableElement)
nsresult
nsHTMLTableElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
if (aIID.Equals(kIDOMHTMLTableElementIID)) {
nsIDOMHTMLTableElement* tmp = this;
*aInstancePtr = (void*) tmp;
mRefCnt++;
return NS_OK;
}
return NS_NOINTERFACE;
}
nsresult
nsHTMLTableElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
{
nsHTMLTableElement* it = new nsHTMLTableElement(mInner.mTag);
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
mInner.CopyInnerTo(this, &it->mInner);
return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
}
// the DOM spec says border, cellpadding, cellSpacing are all "wstring"
// in fact, they are integers or they are meaningless. so we store them here as ints.
NS_IMPL_STRING_ATTR(nsHTMLTableElement, Align, align)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, BgColor, bgcolor)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, Border, border)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, CellPadding, cellpadding)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, CellSpacing, cellspacing)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, Frame, frame)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, Rules, rules)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, Summary, summary)
NS_IMPL_STRING_ATTR(nsHTMLTableElement, Width, width)
NS_IMETHODIMP
nsHTMLTableElement::GetCaption(nsIDOMHTMLTableCaptionElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::SetCaption(nsIDOMHTMLTableCaptionElement* aValue)
{
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::GetTHead(nsIDOMHTMLTableSectionElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::SetTHead(nsIDOMHTMLTableSectionElement* aValue)
{
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::GetTFoot(nsIDOMHTMLTableSectionElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::SetTFoot(nsIDOMHTMLTableSectionElement* aValue)
{
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::GetRows(nsIDOMHTMLCollection** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::GetTBodies(nsIDOMHTMLCollection** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::CreateTHead(nsIDOMHTMLElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::DeleteTHead()
{
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::CreateTFoot(nsIDOMHTMLElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::DeleteTFoot()
{
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::CreateCaption(nsIDOMHTMLElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::DeleteCaption()
{
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::InsertRow(PRInt32 aIndex, nsIDOMHTMLElement** aValue)
{
*aValue = nsnull;
return NS_OK; // XXX write me
}
NS_IMETHODIMP
nsHTMLTableElement::DeleteRow(PRInt32 aValue)
{
return NS_OK; // XXX write me
}
static nsGenericHTMLElement::EnumTable kFrameTable[] = {
{ "void", NS_STYLE_TABLE_FRAME_NONE },
{ "above", NS_STYLE_TABLE_FRAME_ABOVE },
{ "below", NS_STYLE_TABLE_FRAME_BELOW },
{ "hsides", NS_STYLE_TABLE_FRAME_HSIDES },
{ "lhs", NS_STYLE_TABLE_FRAME_LEFT },
{ "rhs", NS_STYLE_TABLE_FRAME_RIGHT },
{ "vsides", NS_STYLE_TABLE_FRAME_VSIDES },
{ "box", NS_STYLE_TABLE_FRAME_BOX },
{ "border", NS_STYLE_TABLE_FRAME_BORDER },
{ 0 }
};
static nsGenericHTMLElement::EnumTable kRulesTable[] = {
{ "none", NS_STYLE_TABLE_RULES_NONE },
{ "groups", NS_STYLE_TABLE_RULES_GROUPS },
{ "rows", NS_STYLE_TABLE_RULES_ROWS },
{ "cols", NS_STYLE_TABLE_RULES_COLS },
{ "all", NS_STYLE_TABLE_RULES_ALL },
{ 0 }
};
static nsGenericHTMLElement::EnumTable kLayoutTable[] = {
{ "auto", NS_STYLE_TABLE_LAYOUT_AUTO },
{ "fixed", NS_STYLE_TABLE_LAYOUT_FIXED },
{ 0 }
};
NS_IMETHODIMP
nsHTMLTableElement::StringToAttribute(nsIAtom* aAttribute,
const nsString& aValue,
nsHTMLValue& aResult)
{
/* ignore summary, just a string */
/* attributes that resolve to pixels, with min=0 */
if ((aAttribute == nsHTMLAtoms::cellspacing) ||
(aAttribute == nsHTMLAtoms::cellpadding)) {
nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Pixel);
return NS_CONTENT_ATTR_HAS_VALUE;
}
/* attributes that are either empty, or integers, with min=0 */
else if (aAttribute == nsHTMLAtoms::cols) {
nsAutoString tmp(aValue);
tmp.StripWhitespace();
if (0 == tmp.Length()) {
// Just set COLS, same as COLS=number of columns
aResult.SetEmptyValue();
}
else
{
nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Integer);
}
return NS_CONTENT_ATTR_HAS_VALUE;
}
/* attributes that are either empty, or pixels */
else if (aAttribute == nsHTMLAtoms::border) {
nsAutoString tmp(aValue);
tmp.StripWhitespace();
if (0 == tmp.Length()) {
// Just enable the border; same as border=1
aResult.SetEmptyValue();
}
else
{
nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Pixel);
}
return NS_CONTENT_ATTR_HAS_VALUE;
}
/* attributes that resolve to integers or percents */
else if (aAttribute == nsHTMLAtoms::height) {
nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult, eHTMLUnit_Pixel);
return NS_CONTENT_ATTR_HAS_VALUE;
}
/* attributes that resolve to integers or percents or proportions */
else if (aAttribute == nsHTMLAtoms::width) {
nsGenericHTMLElement::ParseValueOrPercentOrProportional(aValue, aResult, eHTMLUnit_Pixel);
return NS_CONTENT_ATTR_HAS_VALUE;
}
/* other attributes */
else if (aAttribute == nsHTMLAtoms::align) {
if (nsGenericHTMLElement::ParseTableHAlignValue(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::background) {
nsAutoString href(aValue);
href.StripWhitespace();
aResult.SetStringValue(href);
return NS_CONTENT_ATTR_HAS_VALUE;
}
else if (aAttribute == nsHTMLAtoms::bgcolor) {
nsGenericHTMLElement::ParseColor(aValue, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
else if (aAttribute == nsHTMLAtoms::frame) {
nsGenericHTMLElement::ParseEnumValue(aValue, kFrameTable, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
else if (aAttribute == nsHTMLAtoms::layout) {
nsGenericHTMLElement::ParseEnumValue(aValue, kLayoutTable, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
else if (aAttribute == nsHTMLAtoms::rules) {
nsGenericHTMLElement::ParseEnumValue(aValue, kRulesTable, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
return NS_CONTENT_ATTR_NOT_THERE;
}
NS_IMETHODIMP
nsHTMLTableElement::AttributeToString(nsIAtom* aAttribute,
nsHTMLValue& aValue,
nsString& aResult) const
{
/* ignore summary, just a string */
/* ignore attributes that are of standard types
border, cellpadding, cellspacing, cols, height, width, background, bgcolor
*/
if (aAttribute == nsHTMLAtoms::align) {
if (nsGenericHTMLElement::TableHAlignValueToString(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::frame) {
if (nsGenericHTMLElement::EnumValueToString(aValue, kFrameTable, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::layout) {
if (nsGenericHTMLElement::EnumValueToString(aValue, kLayoutTable, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::rules) {
if (nsGenericHTMLElement::EnumValueToString(aValue, kRulesTable, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
return mInner.AttributeToString(aAttribute, aValue, aResult);
}
// XXX: this is only sufficient for Nav4/HTML3.2
// XXX: needs to be filled in for HTML4
static void
MapTableBorderInto(nsIHTMLAttributes* aAttributes,
nsIStyleContext* aContext,
nsIPresContext* aPresContext)
{
NS_PRECONDITION(nsnull!=aContext, "bad style context arg");
NS_PRECONDITION(nsnull!=aPresContext, "bad presentation context arg");
nsHTMLValue value;
aAttributes->GetAttribute(nsHTMLAtoms::border, value);
if (value.GetUnit() == eHTMLUnit_String)
{
nsAutoString borderAsString;
value.GetStringValue(borderAsString);
nsGenericHTMLElement::ParseValue(borderAsString, 0, value, eHTMLUnit_Pixel);
}
if ((value.GetUnit() == eHTMLUnit_Pixel) ||
(value.GetUnit() == eHTMLUnit_Empty)) {
nsStyleSpacing* spacing = (nsStyleSpacing*)
aContext->GetMutableStyleData(eStyleStruct_Spacing);
float p2t = aPresContext->GetPixelsToTwips();
nsStyleCoord twips;
if (value.GetUnit() == eHTMLUnit_Empty) {
twips.SetCoordValue(NSIntPixelsToTwips(1, p2t));
}
else {
twips.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
}
spacing->mBorder.SetTop(twips);
spacing->mBorder.SetRight(twips);
spacing->mBorder.SetBottom(twips);
spacing->mBorder.SetLeft(twips);
if (spacing->mBorderStyle[0] == NS_STYLE_BORDER_STYLE_NONE) {
spacing->mBorderStyle[0] = NS_STYLE_BORDER_STYLE_OUTSET;
}
if (spacing->mBorderStyle[1] == NS_STYLE_BORDER_STYLE_NONE) {
spacing->mBorderStyle[1] = NS_STYLE_BORDER_STYLE_OUTSET;
}
if (spacing->mBorderStyle[2] == NS_STYLE_BORDER_STYLE_NONE) {
spacing->mBorderStyle[2] = NS_STYLE_BORDER_STYLE_OUTSET;
}
if (spacing->mBorderStyle[3] == NS_STYLE_BORDER_STYLE_NONE) {
spacing->mBorderStyle[3] = NS_STYLE_BORDER_STYLE_OUTSET;
}
}
}
static void
MapAttributesInto(nsIHTMLAttributes* aAttributes,
nsIStyleContext* aContext,
nsIPresContext* aPresContext)
{
NS_PRECONDITION(nsnull!=aContext, "bad style context arg");
NS_PRECONDITION(nsnull!=aPresContext, "bad presentation context arg");
if (nsnull!=aAttributes)
{
float p2t = aPresContext->GetPixelsToTwips();
nsHTMLValue value;
// width
aAttributes->GetAttribute(nsHTMLAtoms::width, value);
if (value.GetUnit() != eHTMLUnit_Null) {
nsStylePosition* position = (nsStylePosition*)
aContext->GetMutableStyleData(eStyleStruct_Position);
switch (value.GetUnit()) {
case eHTMLUnit_Percent:
position->mWidth.SetPercentValue(value.GetPercentValue());
break;
case eHTMLUnit_Pixel:
position->mWidth.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
break;
}
}
// border
MapTableBorderInto(aAttributes, aContext, aPresContext);
// align
aAttributes->GetAttribute(nsHTMLAtoms::align, value);
if (value.GetUnit() == eHTMLUnit_Enumerated) { // it may be another type if illegal
nsStyleDisplay* display = (nsStyleDisplay*)aContext->GetMutableStyleData(eStyleStruct_Display);
switch (value.GetIntValue()) {
case NS_STYLE_TEXT_ALIGN_LEFT:
display->mFloats = NS_STYLE_FLOAT_LEFT;
break;
case NS_STYLE_TEXT_ALIGN_RIGHT:
display->mFloats = NS_STYLE_FLOAT_RIGHT;
break;
}
}
// layout
nsStyleTable* tableStyle=nsnull;
aAttributes->GetAttribute(nsHTMLAtoms::layout, value);
if (value.GetUnit() == eHTMLUnit_Enumerated) { // it may be another type if illegal
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
tableStyle->mLayoutStrategy = value.GetIntValue();
}
// cellpadding
aAttributes->GetAttribute(nsHTMLAtoms::cellpadding, value);
if (value.GetUnit() == eHTMLUnit_Pixel) {
if (nsnull==tableStyle)
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
tableStyle->mCellPadding.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
}
// cellspacing (reuses tableStyle if already resolved)
aAttributes->GetAttribute(nsHTMLAtoms::cellspacing, value);
if (value.GetUnit() == eHTMLUnit_Pixel) {
if (nsnull==tableStyle)
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
tableStyle->mCellSpacing.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
}
else
{ // XXX: remove me as soon as we get this from the style sheet
if (nsnull==tableStyle)
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
tableStyle->mCellSpacing.SetCoordValue(NSIntPixelsToTwips(2, p2t));
}
// cols
aAttributes->GetAttribute(nsHTMLAtoms::cols, value);
if (value.GetUnit() != eHTMLUnit_Null) {
if (nsnull==tableStyle)
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
if (value.GetUnit() == eHTMLUnit_Integer)
tableStyle->mCols = value.GetIntValue();
else // COLS had no value, so it refers to all columns
tableStyle->mCols = NS_STYLE_TABLE_COLS_ALL;
}
//background: color
nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aContext, aPresContext);
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
}
}
NS_IMETHODIMP
nsHTMLTableElement::GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const
{
aMapFunc = &MapAttributesInto;
return NS_OK;
}
NS_IMETHODIMP
nsHTMLTableElement::HandleDOMEvent(nsIPresContext& aPresContext,
nsEvent* aEvent,
nsIDOMEvent** aDOMEvent,
PRUint32 aFlags,
nsEventStatus& aEventStatus)
{
return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
aFlags, aEventStatus);
}