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Further table editing work

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This commit is contained in:
cmanske%netscape.com 1999-08-05 20:04:58 +00:00
parent f931022791
commit 33420b646e
9 changed files with 142 additions and 64 deletions
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164
editor/base/EditTable.cpp
View File

@ -26,26 +26,19 @@
#include "nsIDOMNodeList.h"
#include "nsIDOMRange.h"
#include "nsIDOMSelection.h"
#include "nsLayoutCID.h"
#include "nsIContent.h"
#include "nsIContentIterator.h"
#include "nsIAtom.h"
#include "nsIDOMHTMLTableElement.h"
#include "nsIDOMHTMLTableCellElement.h"
#include "nsITableCellLayout.h" // For efficient access to table cell
#include "nsITableLayout.h" // data owned by the table and cell frames
// transactions the editor knows how to build
//#include "TransactionFactory.h"
//#include "EditAggregateTxn.h"
//#include "nsIDOMHTMLCollection.h"
#include "nsHTMLEditor.h"
// Table Editing methods
static NS_DEFINE_CID(kCContentIteratorCID, NS_CONTENTITERATOR_CID);
NS_IMETHODIMP
nsHTMLEditor::InsertTable()
{
nsresult res=NS_ERROR_NOT_INITIALIZED;
return NS_ERROR_NOT_IMPLEMENTED;
}
// Table Editing methods
NS_IMETHODIMP
nsHTMLEditor::InsertTableCell(PRInt32 aNumber, PRBool aAfter)
@ -78,6 +71,7 @@ nsHTMLEditor::InsertTableCell(PRInt32 aNumber, PRBool aAfter)
NS_IMETHODIMP
nsHTMLEditor::InsertTableColumn(PRInt32 aNumber, PRBool aAfter)
{
//TODO: HANDLE CASE OF aAfter = true
nsCOMPtr<nsIDOMSelection> selection;
nsCOMPtr<nsIDOMElement> table;
nsCOMPtr<nsIDOMElement> cell;
@ -87,21 +81,37 @@ nsHTMLEditor::InsertTableColumn(PRInt32 aNumber, PRBool aAfter)
if (NS_SUCCEEDED(res))
{
PRInt32 rowCount, colCount, row, col, curRow, curCol;
nsAutoEditBatch beginBatching(this);
PRInt32 rowCount, colCount, row;
if (NS_FAILED(GetTableSize(table, rowCount, colCount)))
return NS_ERROR_FAILURE;
for ( row = 0; row < rowCount; row++)
{
nsCOMPtr<nsIDOMElement> curCell;
PRInt32 startRow, startCol, rowSpan, colSpan;
PRBool isSelected;
res = GetCellDataAt(table, row, col, *getter_AddRefs(curCell),
startRow, startCol, rowSpan, colSpan, isSelected);
PRInt32 curStartRow, curStartCol, rowSpan, colSpan;
PRBool curIsSelected;
res = GetCellDataAt(table, row, startCol, *getter_AddRefs(curCell),
curStartRow, curStartCol, rowSpan, colSpan, curIsSelected);
if (NS_SUCCEEDED(res) && curCell)
{
//FINISH ME!
if (curStartCol < startCol)
{
// We have a cell spanning this location
// Simply increase its rowspan to keep table rectangular
nsString newColSpan;
newColSpan.Append(colSpan+aNumber, 10);
SetAttribute(curCell, "colspan", newColSpan);
} else {
// Simply set selection to the current cell
// so we can let InsertTableCell() do the work
// Insert a new cell before current one
selection->Collapse(curCell, 0);
res = InsertTableCell(aNumber, PR_FALSE);
}
}
}
SetCaretAfterTableEdit(table, startRow, startCol, ePreviousColumn);
}
return res;
}
@ -118,6 +128,8 @@ nsHTMLEditor::InsertTableRow(PRInt32 aNumber, PRBool aAfter)
if (NS_SUCCEEDED(res))
{
nsAutoEditBatch beginBatching(this);
//TODO: FINISH ME!
selection->ClearSelection();
}
return res;
@ -135,19 +147,27 @@ nsHTMLEditor::DeleteTable()
if (NS_SUCCEEDED(res))
{
nsAutoEditBatch beginBatching(this);
// Save where we need to restore the selection
nsCOMPtr<nsIDOMNode> tableParent;
PRInt32 tableOffset;
if(NS_FAILED(table->GetParentNode(getter_AddRefs(tableParent))) || !tableParent)
return NS_ERROR_FAILURE;
if(NS_FAILED(GetChildOffset(table, tableParent, tableOffset)))
return NS_ERROR_FAILURE;
res = DeleteNode(table);
// Restore the selection (caret)
// Place selection just before the table
// This is correct by selection rules, but doesn't work
// now (8/4/99) because the caret system needs to be smarter
// when locating selection in non-text nodes
nsCOMPtr<nsIDOMSelection>selection;
res = nsEditor::GetSelection(getter_AddRefs(selection));
if (NS_FAILED(res) || !selection)
return res;
res = DeleteNode(table);
selection->Collapse(tableParent, tableOffset);
}
return res;
@ -165,6 +185,8 @@ nsHTMLEditor::DeleteTableCell(PRInt32 aNumber)
if (NS_SUCCEEDED(res))
{
nsAutoEditBatch beginBatching(this);
selection->ClearSelection();
PRInt32 i;
for (i = 0; i < aNumber; i++)
@ -342,35 +364,26 @@ nsHTMLEditor::GetCellContext(nsCOMPtr<nsIDOMSelection> &aSelection,
if (NS_FAILED(res) || !aSelection)
return res;
// TODO: Should we look for the "first" cell instead?
// Messy! We would need to iterate through the selection to find the first enclosing cell
nsCOMPtr<nsIDOMNode> anchorNode;
if(NS_FAILED(aSelection->GetAnchorNode(getter_AddRefs(anchorNode))) || !anchorNode)
return NS_ERROR_FAILURE;
// Test if anchor is a cell node (should I bother to check header as well?
nsCOMPtr<nsIDOMHTMLTableCellElement> cellElement = do_QueryInterface(anchorNode);
if (cellElement)
{
aCell = do_QueryInterface(anchorNode);
} else {
// Get the anchor's first child, in case the selection is composed of cells
PRInt32 offset;
if (NS_FAILED(aSelection->GetAnchorOffset(&offset)))
return NS_ERROR_FAILURE;
// Find the first selected cell
res = GetFirstSelectedCell(aCell);
if (NS_FAILED(res))
return res;
nsCOMPtr<nsIDOMNode> anchorChild = GetChildAt(anchorNode, offset);
if(!anchorChild)
if (!aCell)
{
//If a cell wasn't selected, then assume the selection is INSIDE
// and use anchor node to search up to the containing cell
nsCOMPtr<nsIDOMNode> anchorNode;
if(NS_FAILED(aSelection->GetAnchorNode(getter_AddRefs(anchorNode))) || !anchorNode)
return NS_ERROR_FAILURE;
// Get the cell enclosing the selection anchor
if(NS_FAILED(GetElementOrParentByTagName("td", anchorChild, getter_AddRefs(aCell))) || !aCell)
if(NS_FAILED(GetElementOrParentByTagName("td", anchorNode, getter_AddRefs(aCell))) || !aCell)
return NS_ERROR_FAILURE;
}
// Get containing table and the immediate parent of the cell
if(NS_FAILED(GetElementOrParentByTagName("table", aCell, getter_AddRefs(aTable))) || !aTable)
return NS_ERROR_FAILURE;
if(NS_FAILED(aCell->GetParentNode(getter_AddRefs(aCellParent))) || !aCellParent)
return NS_ERROR_FAILURE;
@ -379,9 +392,65 @@ nsHTMLEditor::GetCellContext(nsCOMPtr<nsIDOMSelection> &aSelection,
if(NS_FAILED(res))
return res;
// And the parent and offsets needed to do an insert
return GetChildOffset(aCell, aCellParent, aCellOffset);
}
NS_IMETHODIMP
nsHTMLEditor::GetFirstSelectedCell(nsCOMPtr<nsIDOMElement> &aCell)
{
nsCOMPtr<nsIDOMSelection> selection;
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
if (NS_FAILED(res) || !selection)
return res;
// The most straight forward way of finding a selected cell
// is to use the selection iterator
nsCOMPtr<nsIEnumerator> enumerator;
res = selection->GetEnumerator(getter_AddRefs(enumerator));
if (NS_SUCCEEDED(res) && enumerator)
{
enumerator->First();
nsCOMPtr<nsISupports> currentItem;
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
if ((NS_SUCCEEDED(res)) && currentItem)
{
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
nsCOMPtr<nsIContentIterator> iter;
res = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
nsIContentIterator::GetIID(),
getter_AddRefs(iter));
if ((NS_SUCCEEDED(res)) && iter)
{
iter->Init(range);
// loop through the content iterator for each content node
nsCOMPtr<nsIContent> content;
while (NS_COMFALSE == iter->IsDone())
{
res = iter->CurrentNode(getter_AddRefs(content));
// Not likely!
if (NS_FAILED(res))
return NS_ERROR_FAILURE;
nsCOMPtr<nsIAtom> atom;
content->GetTag(*getter_AddRefs(atom));
if (atom.get() == nsIEditProperty::td ||
atom.get() == nsIEditProperty::th )
{
// We found a cell
aCell = do_QueryInterface(content);
break;
}
iter->Next();
}
}
}
} else {
printf("Could not create enumerator for GetCellContext\n");
}
return res;
}
NS_IMETHODIMP
nsHTMLEditor::SetCaretAfterTableEdit(nsIDOMElement* aTable, PRInt32 aCol, PRInt32 aRow, SetCaretSearchDirection aDirection)
@ -399,6 +468,17 @@ nsHTMLEditor::SetCaretAfterTableEdit(nsIDOMElement* aTable, PRInt32 aCol, PRInt3
#endif
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDOMElement> cell;
res = GetCellAt(aTable, aCol, aRow, *getter_AddRefs(cell));
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
if (NS_SUCCEEDED(res) && cell)
{
// Set the caret to just before the first child of the cell?
// TODO: Should we really be placing the caret at the END
// of the cell content?
selection->Collapse(cell, 0);
}
//TODO: SEARCH FOR NEAREST CELL TO PLACE CARET INTO
return res;
}

8
editor/base/nsHTMLEditor.cpp
View File

@ -2007,11 +2007,13 @@ nsHTMLEditor::GetSelectedElement(const nsString& aTagName, nsIDOMElement** aRetu
iter->Init(range);
// loop through the content iterator for each content node
nsCOMPtr<nsIContent> content;
res = iter->CurrentNode(getter_AddRefs(content));
//PRBool bOtherNodeTypeFound = PR_FALSE;
while (NS_COMFALSE == iter->IsDone())
{
res = iter->CurrentNode(getter_AddRefs(content));
// Note likely!
if (NS_FAILED(res))
return NS_ERROR_FAILURE;
// Query interface to cast nsIContent to nsIDOMNode
// then get tagType to compare to aTagName
// Clone node of each desired type and append it to the aDomFrag

7
editor/base/nsHTMLEditor.h
View File

@ -177,8 +177,6 @@ public:
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan, PRBool& aIsSelected);
NS_IMETHOD InsertTable();
NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter);
@ -195,12 +193,15 @@ public:
// Table utilities
// All of the above need to get the same basic context data
// All of the above need to get the same basic context data
NS_IMETHOD GetCellContext(nsCOMPtr<nsIDOMSelection> &aSelection,
nsCOMPtr<nsIDOMElement> &aTable, nsCOMPtr<nsIDOMElement> &aCell,
nsCOMPtr<nsIDOMNode> &aCellParent, PRInt32& aCellOffset,
PRInt32& aRow, PRInt32& aCol);
// Use the selection iterator to find the first cell in the selection
NS_IMETHOD GetFirstSelectedCell(nsCOMPtr<nsIDOMElement> &aCell);
// Setting caret to a logical place can get tricky,
// especially after deleting table stuff
typedef enum { ePreviousColumn=0, ePreviousRow } SetCaretSearchDirection;

6
editor/base/nsJSEditorLog.cpp
View File

@ -724,12 +724,6 @@ nsJSEditorLog::GetEmbeddedObjects(nsISupportsArray** aNodeList)
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsJSEditorLog::InsertTable()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsJSEditorLog::InsertTableCell(PRInt32 aNumber, PRBool aAfter)
{

1
editor/base/nsJSEditorLog.h
View File

@ -133,7 +133,6 @@ public:
NS_IMETHOD GetCellAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell);
NS_IMETHOD GetCellDataAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell,
PRInt32& aStartRowIndex, PRInt32& aStartColIndex, PRInt32& aRowSpan, PRInt32& aColSpan, PRBool& aIsSelected);
NS_IMETHOD InsertTable();
NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter);

8
editor/libeditor/html/nsHTMLEditor.cpp
View File

@ -2007,11 +2007,13 @@ nsHTMLEditor::GetSelectedElement(const nsString& aTagName, nsIDOMElement** aRetu
iter->Init(range);
// loop through the content iterator for each content node
nsCOMPtr<nsIContent> content;
res = iter->CurrentNode(getter_AddRefs(content));
//PRBool bOtherNodeTypeFound = PR_FALSE;
while (NS_COMFALSE == iter->IsDone())
{
res = iter->CurrentNode(getter_AddRefs(content));
// Note likely!
if (NS_FAILED(res))
return NS_ERROR_FAILURE;
// Query interface to cast nsIContent to nsIDOMNode
// then get tagType to compare to aTagName
// Clone node of each desired type and append it to the aDomFrag

7
editor/libeditor/html/nsHTMLEditor.h
View File

@ -177,8 +177,6 @@ public:
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
PRInt32& aRowSpan, PRInt32& aColSpan, PRBool& aIsSelected);
NS_IMETHOD InsertTable();
NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter);
@ -195,12 +193,15 @@ public:
// Table utilities
// All of the above need to get the same basic context data
// All of the above need to get the same basic context data
NS_IMETHOD GetCellContext(nsCOMPtr<nsIDOMSelection> &aSelection,
nsCOMPtr<nsIDOMElement> &aTable, nsCOMPtr<nsIDOMElement> &aCell,
nsCOMPtr<nsIDOMNode> &aCellParent, PRInt32& aCellOffset,
PRInt32& aRow, PRInt32& aCol);
// Use the selection iterator to find the first cell in the selection
NS_IMETHOD GetFirstSelectedCell(nsCOMPtr<nsIDOMElement> &aCell);
// Setting caret to a logical place can get tricky,
// especially after deleting table stuff
typedef enum { ePreviousColumn=0, ePreviousRow } SetCaretSearchDirection;

1
editor/public/nsIHTMLEditor.h
View File

@ -274,7 +274,6 @@ public:
* @param aAfter If TRUE, insert after the current cell,
* else insert before current cell
*/
NS_IMETHOD InsertTable()=0;
NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter)=0;
NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter)=0;
NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter)=0;

4
editor/ui/composer/content/EditorAppShell.xul
View File

@ -181,13 +181,13 @@
<!ENTITY tableMenu.label "Table">
<!ENTITY tableInsertMenu.label "Insert">
<!ENTITY tableTable.label "Table">
<!ENTITY tableRow.label "Row">
<!ENTITY tableRow.label ".Row">
<!ENTITY tableColumn.label "Column">
<!ENTITY tableCell.label "Cell">
<!ENTITY tableCellBefore.label "Cell before">
<!ENTITY tableCellAfter.label "Cell after">
<!ENTITY tableDeleteMenu.label "Delete">
<!ENTITY tableJoinCells.label "Join Cells">
<!ENTITY tableJoinCells.label ".Join Cells">
<!ENTITY properties.label "Properties...">
<!ENTITY toolsMenu.label "Tools">