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Adding interface for editor access to table layout data

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This commit is contained in:
cmanske%netscape.com 1999-07-31 22:11:50 +00:00
parent a790b9d1e2
commit 2781d6d9a2
12 changed files with 200 additions and 16 deletions
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1
layout/html/table/public/Makefile.in
View File

@ -26,6 +26,7 @@ MODULE = raptor
EXPORTS = \
nsITableCellLayout.h \
nsITableLayout.h \
$(NULL)
EXPORTS := $(addprefix $(srcdir)/, $(EXPORTS))

5
layout/html/table/public/makefile.win
View File

@ -21,8 +21,9 @@ IGNORE_MANIFEST=1
MODULE=raptor
EXPORTS = \
nsITableCellLayout.h \
EXPORTS = \
nsITableCellLayout.h \
nsITableLayout.h \
$(NULL)
include <$(DEPTH)\config\rules.mak>

5
layout/html/table/src/nsTableCellFrame.cpp
View File

@ -1008,10 +1008,11 @@ NS_METHOD nsTableCellFrame::DidSetStyleContext(nsIPresContext* aPresContext)
return NS_OK;
}
NS_IMPL_ISUPPORTS_INHERITED(nsTableCellFrame, nsHTMLContainerFrame, nsITableCellLayout)
/* ----- global methods ----- */
NS_IMPL_ISUPPORTS_INHERITED(nsTableCellFrame, nsHTMLContainerFrame, nsITableCellLayout)
nsresult
NS_NewTableCellFrame(nsIFrame** aNewFrame)
{

51
layout/html/table/src/nsTableFrame.cpp
View File

@ -46,6 +46,7 @@
#include "nsIDeviceContext.h"
#include "nsIStyleSet.h"
#include "nsIPresShell.h"
#include "nsIDOMElement.h"
#ifdef NS_DEBUG
static PRBool gsDebug = PR_FALSE;
@ -271,7 +272,6 @@ nsTableFrame::GetFrameType(nsIAtom** aType) const
/* --------------------- nsTableFrame -------------------- */
nsTableFrame::nsTableFrame()
: nsHTMLContainerFrame(),
mColumnWidthsValid(PR_FALSE),
@ -292,6 +292,8 @@ nsTableFrame::nsTableFrame()
mBorderEdges.mOutsideEdge=PR_TRUE;
}
NS_IMPL_ISUPPORTS_INHERITED(nsTableFrame, nsHTMLContainerFrame, nsITableLayout)
NS_IMETHODIMP
nsTableFrame::Init(nsIPresContext& aPresContext,
nsIContent* aContent,
@ -5345,6 +5347,53 @@ void nsTableFrame::GetCellInfoAt(PRInt32 aRowX,
cellMap->GetCellInfoAt(aRowX, aColX, aCellFrame, aOriginates, aColSpan);
}
NS_IMETHODIMP
nsTableFrame::GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected)
{
nsresult result;
nsCellMap* cellMap = GetCellMap();
// Initialize out params
aCell = nsnull;
aStartRowIndex = 0;
aStartColIndex = 0;
aRowSpan = 0;
aColSpan = 0;
aIsSelected = PR_FALSE;
if (!cellMap) { return NS_ERROR_NOT_INITIALIZED;}
nsTableCellFrame *cellFrame = cellMap->GetCellFrameAt(aRowIndex, aColIndex);
// This error value if a cell isn't found will pass the NS_SUCCEEDED() test
// It's OK to attempt to get a cell out of bounds,
// as long as caller test i aCell is not null
// Thus we can get iterate to get all cells in a row or col
// and stop when aCell is returned null.
if (!cellFrame) { return NS_TABLELAYOUT_CELL_NOT_FOUND;} // row or col index out of bounds
result = cellFrame->GetRowIndex(aStartRowIndex);
if (NS_FAILED(result)) return result;
result = cellFrame->GetColIndex(aStartColIndex);
if (NS_FAILED(result)) return result;
aRowSpan = cellFrame->GetRowSpan();
aColSpan = cellFrame->GetColSpan();
result = cellFrame->GetSelected(&aIsSelected);
if (NS_FAILED(result)) return result;
// do this last, because it addrefs,
// and we don't want the caller leaking it on error
nsCOMPtr<nsIContent>content;
result = cellFrame->GetContent(getter_AddRefs(content));
if (NS_SUCCEEDED(result) && content)
{
content->QueryInterface(nsIDOMElement::GetIID(), (void**)(&aCell));
}
return result;
}
PRInt32 nsTableFrame::GetNumCellsOriginatingIn(PRInt32 aColIndex)
{
nsCellMap* cellMap = GetCellMap();

14
layout/html/table/src/nsTableFrame.h
View File

@ -25,7 +25,7 @@
#include "nsStyleConsts.h"
#include "nsIStyleContext.h"
#include "nsIFrameReflow.h" // for nsReflowReason enum
#include "nsITableLayout.h"
class nsCellMap;
class nsTableCellFrame;
@ -62,10 +62,13 @@ struct nsStyleSpacing;
*
* TODO: make methods virtual so nsTableFrame can be used as a base class in the future.
*/
class nsTableFrame : public nsHTMLContainerFrame
class nsTableFrame : public nsHTMLContainerFrame, public nsITableLayout
{
public:
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
/** nsTableOuterFrame has intimate knowledge of the inner table frame */
friend class nsTableOuterFrame;
@ -802,6 +805,13 @@ public: /* ----- Cell Map public methods ----- */
/** returns PR_TRUE if table layout requires a preliminary pass over the content */
PRBool RequiresPass1Layout();
/*---------------- nsITableLayout methods ------------------------*/
NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected);
public:
static nsIAtom* gColGroupAtom;
void Dump(PRBool aDumpCols, PRBool aDumpCellMap);

21
layout/html/table/src/nsTableOuterFrame.cpp
View File

@ -174,7 +174,7 @@ struct OuterTableReflowState {
/* ----------- nsTableOuterFrame ---------- */
NS_IMPL_ISUPPORTS_INHERITED(nsTableOuterFrame, nsHTMLContainerFrame, nsITableLayout)
NS_IMETHODIMP nsTableOuterFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -1227,6 +1227,25 @@ nsTableOuterFrame::GetFrameType(nsIAtom** aType) const
return NS_OK;
}
NS_IMETHODIMP
nsTableOuterFrame::GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected)
{
if (!mInnerTableFrame) { return NS_ERROR_NOT_INITIALIZED; }
nsITableLayout *inner;
nsresult result = mInnerTableFrame->QueryInterface(nsITableLayout::GetIID(), (void **)&inner);
if (NS_SUCCEEDED(result) && inner)
{
return (inner->GetCellDataAt(aRowIndex, aColIndex, aCell,
aStartRowIndex, aStartColIndex,
aRowSpan, aColSpan, aIsSelected));
}
return NS_ERROR_NULL_POINTER;
}
/* ----- global methods ----- */
nsresult

14
layout/html/table/src/nsTableOuterFrame.h
View File

@ -20,6 +20,7 @@
#include "nscore.h"
#include "nsHTMLContainerFrame.h"
#include "nsITableLayout.h"
struct OuterTableReflowState;
struct nsStyleText;
@ -38,10 +39,13 @@ struct nsStyleText;
* are always mapped
*
*/
class nsTableOuterFrame : public nsHTMLContainerFrame
class nsTableOuterFrame : public nsHTMLContainerFrame, public nsITableLayout
{
public:
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
/** instantiate a new instance of nsTableOuterFrame.
* @param aResult the new object is returned in this out-param
*
@ -88,6 +92,14 @@ public:
*/
nscoord GetMinCaptionWidth();
/*---------------- nsITableLayout methods ------------------------*/
NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected);
protected:

5
layout/tables/nsTableCellFrame.cpp
View File

@ -1008,10 +1008,11 @@ NS_METHOD nsTableCellFrame::DidSetStyleContext(nsIPresContext* aPresContext)
return NS_OK;
}
NS_IMPL_ISUPPORTS_INHERITED(nsTableCellFrame, nsHTMLContainerFrame, nsITableCellLayout)
/* ----- global methods ----- */
NS_IMPL_ISUPPORTS_INHERITED(nsTableCellFrame, nsHTMLContainerFrame, nsITableCellLayout)
nsresult
NS_NewTableCellFrame(nsIFrame** aNewFrame)
{

51
layout/tables/nsTableFrame.cpp
View File

@ -46,6 +46,7 @@
#include "nsIDeviceContext.h"
#include "nsIStyleSet.h"
#include "nsIPresShell.h"
#include "nsIDOMElement.h"
#ifdef NS_DEBUG
static PRBool gsDebug = PR_FALSE;
@ -271,7 +272,6 @@ nsTableFrame::GetFrameType(nsIAtom** aType) const
/* --------------------- nsTableFrame -------------------- */
nsTableFrame::nsTableFrame()
: nsHTMLContainerFrame(),
mColumnWidthsValid(PR_FALSE),
@ -292,6 +292,8 @@ nsTableFrame::nsTableFrame()
mBorderEdges.mOutsideEdge=PR_TRUE;
}
NS_IMPL_ISUPPORTS_INHERITED(nsTableFrame, nsHTMLContainerFrame, nsITableLayout)
NS_IMETHODIMP
nsTableFrame::Init(nsIPresContext& aPresContext,
nsIContent* aContent,
@ -5345,6 +5347,53 @@ void nsTableFrame::GetCellInfoAt(PRInt32 aRowX,
cellMap->GetCellInfoAt(aRowX, aColX, aCellFrame, aOriginates, aColSpan);
}
NS_IMETHODIMP
nsTableFrame::GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected)
{
nsresult result;
nsCellMap* cellMap = GetCellMap();
// Initialize out params
aCell = nsnull;
aStartRowIndex = 0;
aStartColIndex = 0;
aRowSpan = 0;
aColSpan = 0;
aIsSelected = PR_FALSE;
if (!cellMap) { return NS_ERROR_NOT_INITIALIZED;}
nsTableCellFrame *cellFrame = cellMap->GetCellFrameAt(aRowIndex, aColIndex);
// This error value if a cell isn't found will pass the NS_SUCCEEDED() test
// It's OK to attempt to get a cell out of bounds,
// as long as caller test i aCell is not null
// Thus we can get iterate to get all cells in a row or col
// and stop when aCell is returned null.
if (!cellFrame) { return NS_TABLELAYOUT_CELL_NOT_FOUND;} // row or col index out of bounds
result = cellFrame->GetRowIndex(aStartRowIndex);
if (NS_FAILED(result)) return result;
result = cellFrame->GetColIndex(aStartColIndex);
if (NS_FAILED(result)) return result;
aRowSpan = cellFrame->GetRowSpan();
aColSpan = cellFrame->GetColSpan();
result = cellFrame->GetSelected(&aIsSelected);
if (NS_FAILED(result)) return result;
// do this last, because it addrefs,
// and we don't want the caller leaking it on error
nsCOMPtr<nsIContent>content;
result = cellFrame->GetContent(getter_AddRefs(content));
if (NS_SUCCEEDED(result) && content)
{
content->QueryInterface(nsIDOMElement::GetIID(), (void**)(&aCell));
}
return result;
}
PRInt32 nsTableFrame::GetNumCellsOriginatingIn(PRInt32 aColIndex)
{
nsCellMap* cellMap = GetCellMap();

14
layout/tables/nsTableFrame.h
View File

@ -25,7 +25,7 @@
#include "nsStyleConsts.h"
#include "nsIStyleContext.h"
#include "nsIFrameReflow.h" // for nsReflowReason enum
#include "nsITableLayout.h"
class nsCellMap;
class nsTableCellFrame;
@ -62,10 +62,13 @@ struct nsStyleSpacing;
*
* TODO: make methods virtual so nsTableFrame can be used as a base class in the future.
*/
class nsTableFrame : public nsHTMLContainerFrame
class nsTableFrame : public nsHTMLContainerFrame, public nsITableLayout
{
public:
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
/** nsTableOuterFrame has intimate knowledge of the inner table frame */
friend class nsTableOuterFrame;
@ -802,6 +805,13 @@ public: /* ----- Cell Map public methods ----- */
/** returns PR_TRUE if table layout requires a preliminary pass over the content */
PRBool RequiresPass1Layout();
/*---------------- nsITableLayout methods ------------------------*/
NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected);
public:
static nsIAtom* gColGroupAtom;
void Dump(PRBool aDumpCols, PRBool aDumpCellMap);

21
layout/tables/nsTableOuterFrame.cpp
View File

@ -174,7 +174,7 @@ struct OuterTableReflowState {
/* ----------- nsTableOuterFrame ---------- */
NS_IMPL_ISUPPORTS_INHERITED(nsTableOuterFrame, nsHTMLContainerFrame, nsITableLayout)
NS_IMETHODIMP nsTableOuterFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -1227,6 +1227,25 @@ nsTableOuterFrame::GetFrameType(nsIAtom** aType) const
return NS_OK;
}
NS_IMETHODIMP
nsTableOuterFrame::GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected)
{
if (!mInnerTableFrame) { return NS_ERROR_NOT_INITIALIZED; }
nsITableLayout *inner;
nsresult result = mInnerTableFrame->QueryInterface(nsITableLayout::GetIID(), (void **)&inner);
if (NS_SUCCEEDED(result) && inner)
{
return (inner->GetCellDataAt(aRowIndex, aColIndex, aCell,
aStartRowIndex, aStartColIndex,
aRowSpan, aColSpan, aIsSelected));
}
return NS_ERROR_NULL_POINTER;
}
/* ----- global methods ----- */
nsresult

14
layout/tables/nsTableOuterFrame.h
View File

@ -20,6 +20,7 @@
#include "nscore.h"
#include "nsHTMLContainerFrame.h"
#include "nsITableLayout.h"
struct OuterTableReflowState;
struct nsStyleText;
@ -38,10 +39,13 @@ struct nsStyleText;
* are always mapped
*
*/
class nsTableOuterFrame : public nsHTMLContainerFrame
class nsTableOuterFrame : public nsHTMLContainerFrame, public nsITableLayout
{
public:
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
/** instantiate a new instance of nsTableOuterFrame.
* @param aResult the new object is returned in this out-param
*
@ -88,6 +92,14 @@ public:
*/
nscoord GetMinCaptionWidth();
/*---------------- nsITableLayout methods ------------------------*/
NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
nsIDOMElement* &aCell, //out params
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan,
PRBool& aIsSelected);
protected: