added Selection methods to nsICodment, nsDocument, nsiSplittableFRame

This commit is contained in:
rods 1998-05-08 15:07:41 +00:00
Родитель 48b1d62af3
Коммит 1205850979
8 изменённых файлов: 263 добавлений и 2 удалений

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@ -154,6 +154,16 @@ public:
* Returns the Selection Object
*/
virtual nsISelection * GetSelection() = 0;
/**
* Selects all the Content
*/
virtual void SelectAll() = 0;
/**
* Copies all text from the selection
*/
virtual void GetSelectionText(nsString & aText) = 0;
};
// XXX Belongs somewhere else

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@ -26,6 +26,8 @@
#include "nsIDocumentObserver.h"
#include "nsSelection.h"
#include "nsIDOMText.h"
static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
@ -638,8 +640,103 @@ nsresult nsDocument::GetElementsByTagName(nsString &aTagname, nsIDOMNodeIterator
* Returns the Selection Object
*/
nsISelection * nsDocument::GetSelection() {
if (mSelection != nsnull) {
NS_ADDREF(mSelection);
}
return mSelection;
}
}
/**
* Selects all the Content
*/
void nsDocument::SelectAll() {
nsIContent * start = mRootContent;
nsIContent * end = mRootContent;
// Find Very first Piece of Content
while (start->ChildCount() > 0) {
start = start->ChildAt(0);
}
// Last piece of Content
PRInt32 count = end->ChildCount();
while (count > 0) {
end = end->ChildAt(count-1);
count = end->ChildCount();
}
nsSelectionRange * range = mSelection->GetRange();
nsSelectionPoint * startPnt = range->GetStartPoint();
nsSelectionPoint * endPnt = range->GetEndPoint();
startPnt->SetPoint(start, -1, PR_TRUE);
endPnt->SetPoint(end, -1, PR_FALSE);
}
void nsDocument::TraverseTree(nsString & aText,
nsIContent * aContent,
nsIContent * aStart,
nsIContent * aEnd,
PRBool & aInRange) {
if (aContent == aStart) {
aInRange = PR_TRUE;
}
PRBool addReturn = PR_FALSE;
if (aInRange) {
nsIDOMText * textContent;
nsresult status = aContent->QueryInterface(kIDOMTextIID, (void**) &textContent);
if (NS_OK == status) {
nsString text;
textContent->GetData(text);
aText.Append(text);
//NS_IF_RELEASE(textContent);
} else {
nsIAtom * atom = aContent->GetTag();
if (atom != nsnull) {
nsString str;
atom->ToString(str);
//char * s = str.ToNewCString();
if (str.Equals("P") ||
str.Equals("OL") ||
str.Equals("LI") ||
str.Equals("TD") ||
str.Equals("H1") ||
str.Equals("H2") ||
str.Equals("H3") ||
str.Equals("H4") ||
str.Equals("H5") ||
str.Equals("H6") ||
str.Equals("TABLE")) {
addReturn = PR_TRUE;
}
//printf("[%s]\n", s);
//delete s;
}
}
}
for (PRInt32 i=0;i<aContent->ChildCount();i++) {
TraverseTree(aText, aContent->ChildAt(i), aStart, aEnd, aInRange);
}
if (addReturn) {
aText.Append("\n");
}
if (aContent == aEnd) {
aInRange = PR_FALSE;
}
}
void nsDocument::GetSelectionText(nsString & aText) {
nsSelectionRange * range = mSelection->GetRange();
nsSelectionPoint * startPnt = range->GetStartPoint();
nsSelectionPoint * endPnt = range->GetEndPoint();
PRBool inRange = PR_FALSE;
TraverseTree(aText, mRootContent, startPnt->GetContent(), endPnt->GetContent(), inRange);
}
NS_LAYOUT nsresult
NS_NewSelection(nsISelection** aInstancePtrResult)

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@ -133,6 +133,23 @@ public:
*/
virtual nsISelection * GetSelection();
/**
* Selects all the Content
*/
virtual void SelectAll();
/**
* Copies all text from the selection
*/
virtual void GetSelectionText(nsString & aText);
void TraverseTree(nsString & aText,
nsIContent * aContent,
nsIContent * aStart,
nsIContent * aEnd,
PRBool & aInRange);
public:
virtual nsresult GetScriptObject(JSContext *aContext, void** aScriptObject);

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@ -154,6 +154,16 @@ public:
* Returns the Selection Object
*/
virtual nsISelection * GetSelection() = 0;
/**
* Selects all the Content
*/
virtual void SelectAll() = 0;
/**
* Copies all text from the selection
*/
virtual void GetSelectionText(nsString & aText) = 0;
};
// XXX Belongs somewhere else

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@ -26,6 +26,8 @@
#include "nsIDocumentObserver.h"
#include "nsSelection.h"
#include "nsIDOMText.h"
static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
@ -638,8 +640,103 @@ nsresult nsDocument::GetElementsByTagName(nsString &aTagname, nsIDOMNodeIterator
* Returns the Selection Object
*/
nsISelection * nsDocument::GetSelection() {
if (mSelection != nsnull) {
NS_ADDREF(mSelection);
}
return mSelection;
}
}
/**
* Selects all the Content
*/
void nsDocument::SelectAll() {
nsIContent * start = mRootContent;
nsIContent * end = mRootContent;
// Find Very first Piece of Content
while (start->ChildCount() > 0) {
start = start->ChildAt(0);
}
// Last piece of Content
PRInt32 count = end->ChildCount();
while (count > 0) {
end = end->ChildAt(count-1);
count = end->ChildCount();
}
nsSelectionRange * range = mSelection->GetRange();
nsSelectionPoint * startPnt = range->GetStartPoint();
nsSelectionPoint * endPnt = range->GetEndPoint();
startPnt->SetPoint(start, -1, PR_TRUE);
endPnt->SetPoint(end, -1, PR_FALSE);
}
void nsDocument::TraverseTree(nsString & aText,
nsIContent * aContent,
nsIContent * aStart,
nsIContent * aEnd,
PRBool & aInRange) {
if (aContent == aStart) {
aInRange = PR_TRUE;
}
PRBool addReturn = PR_FALSE;
if (aInRange) {
nsIDOMText * textContent;
nsresult status = aContent->QueryInterface(kIDOMTextIID, (void**) &textContent);
if (NS_OK == status) {
nsString text;
textContent->GetData(text);
aText.Append(text);
//NS_IF_RELEASE(textContent);
} else {
nsIAtom * atom = aContent->GetTag();
if (atom != nsnull) {
nsString str;
atom->ToString(str);
//char * s = str.ToNewCString();
if (str.Equals("P") ||
str.Equals("OL") ||
str.Equals("LI") ||
str.Equals("TD") ||
str.Equals("H1") ||
str.Equals("H2") ||
str.Equals("H3") ||
str.Equals("H4") ||
str.Equals("H5") ||
str.Equals("H6") ||
str.Equals("TABLE")) {
addReturn = PR_TRUE;
}
//printf("[%s]\n", s);
//delete s;
}
}
}
for (PRInt32 i=0;i<aContent->ChildCount();i++) {
TraverseTree(aText, aContent->ChildAt(i), aStart, aEnd, aInRange);
}
if (addReturn) {
aText.Append("\n");
}
if (aContent == aEnd) {
aInRange = PR_FALSE;
}
}
void nsDocument::GetSelectionText(nsString & aText) {
nsSelectionRange * range = mSelection->GetRange();
nsSelectionPoint * startPnt = range->GetStartPoint();
nsSelectionPoint * endPnt = range->GetEndPoint();
PRBool inRange = PR_FALSE;
TraverseTree(aText, mRootContent, startPnt->GetContent(), endPnt->GetContent(), inRange);
}
NS_LAYOUT nsresult
NS_NewSelection(nsISelection** aInstancePtrResult)

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@ -133,6 +133,23 @@ public:
*/
virtual nsISelection * GetSelection();
/**
* Selects all the Content
*/
virtual void SelectAll();
/**
* Copies all text from the selection
*/
virtual void GetSelectionText(nsString & aText);
void TraverseTree(nsString & aText,
nsIContent * aContent,
nsIContent * aStart,
nsIContent * aEnd,
PRBool & aInRange);
public:
virtual nsresult GetScriptObject(JSContext *aContext, void** aScriptObject);

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@ -186,3 +186,12 @@ NS_METHOD nsSplittableFrame::BreakFromNextFlow()
return NS_OK;
}
nsIFrame * nsSplittableFrame::GetPrevInFlow()
{
return mPrevInFlow;
}
nsIFrame * nsSplittableFrame::GetNextInFlow()
{
return mNextInFlow;
}

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@ -54,6 +54,10 @@ public:
NS_IMETHOD BreakFromPrevFlow();
NS_IMETHOD BreakFromNextFlow();
nsIFrame * GetPrevInFlow();
nsIFrame * GetNextInFlow();
protected:
// Constructor. Takes as arguments the content object, the index in parent,
// and the Frame for the content parent