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tdebase/konqueror/keditbookmarks/commands.cpp

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// -*- indent-tabs-mode:nil -*-
// vim: set ts=4 sts=4 sw=4 et:
/* This file is part of the KDE project
Copyright (C) 2000 David Faure <faure@kde.org>
Copyright (C) 2002-2003 Alexander Kellett <lypanov@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "commands.h"
#include "kinsertionsort.h"
#include "toplevel.h"
#include "listview.h"
#include <assert.h>
#include <tqvaluevector.h>
#include <kdebug.h>
#include <klocale.h>
#include <kbookmarkdrag.h>
#include <kbookmarkmanager.h>
#include <kurldrag.h>
#include <kdesktopfile.h>
TQString KEBMacroCommand::affectedBookmarks() const
{
TQPtrListIterator<KCommand> it(m_commands);
TQString affectBook;
if(it.current())
affectBook = dynamic_cast<IKEBCommand *>(it.current())->affectedBookmarks();
++it;
for ( ; it.current() ; ++it )
affectBook = KBookmark::commonParent( affectBook, dynamic_cast<IKEBCommand *>(it.current())->affectedBookmarks());
return affectBook;
}
TQString DeleteManyCommand::prevOrParentAddress(TQString addr)
{
TQString prev = KBookmark::previousAddress( addr );
if( CurrentMgr::bookmarkAt(prev).hasParent())
return prev;
else
return KBookmark::parentAddress( addr );
}
TQString DeleteManyCommand::preOrderNextAddress(TQString addr)
{
TQString rootAdr = CurrentMgr::self()->mgr()->root().address();
while(addr != rootAdr)
{
TQString next = KBookmark::nextAddress(addr);
if(CurrentMgr::bookmarkAt( next ).hasParent() )
return next;
addr = KBookmark::parentAddress( addr );
}
return TQString::null;
}
bool DeleteManyCommand::isConsecutive(const TQValueList<TQString> & addresses)
{
TQValueList<TQString>::const_iterator it, end;
it = addresses.begin();
end = addresses.end();
TQString addr = *(addresses.begin());
for( ; it != end; ++it)
{
if( *it != addr )
return false;
addr = KBookmark::nextAddress(addr);
}
return true;
}
DeleteManyCommand::DeleteManyCommand(const TQString &name, const TQValueList<TQString> & addresses)
: KEBMacroCommand(name)
{
TQValueList<TQString>::const_iterator it, begin;
begin = addresses.begin();
it = addresses.end();
while(begin != it)
{
--it;
DeleteCommand * dcmd = new DeleteCommand(*it);
addCommand(dcmd);
}
// Set m_currentAddress
if( addresses.count() == 1)
{
// First try next bookmark
if( CurrentMgr::bookmarkAt( KBookmark::nextAddress( *begin ) ).hasParent() )
m_currentAddress = *begin;
else
{
m_currentAddress = preOrderNextAddress( KBookmark::parentAddress( *begin ) );
if(m_currentAddress == TQString::null)
m_currentAddress = prevOrParentAddress( *begin );
}
}
else // multi selection
{
// Check if all bookmarks are consecutive
if(isConsecutive(addresses)) // Mark next bookmark after all selected
{ // That's a little work...
TQValueList<TQString>::const_iterator last = addresses.end();
--last;
if( CurrentMgr::bookmarkAt( KBookmark::nextAddress(*last) ).hasParent() )
m_currentAddress = *begin;
else
{
m_currentAddress = preOrderNextAddress( KBookmark::parentAddress( *begin ) );
if( m_currentAddress == TQString::null)
m_currentAddress = prevOrParentAddress( *begin );
}
}
else // not consecutive, select the common parent (This could be more clever)
{
TQValueList<TQString>::const_iterator jt, end;
end = addresses.end();
m_currentAddress = *begin;
for( jt = addresses.begin(); jt != end; ++jt)
m_currentAddress = KBookmark::commonParent(m_currentAddress, *jt);
}
}
}
TQString DeleteManyCommand::currentAddress() const
{
return m_currentAddress;
}
TQString CreateCommand::name() const {
if (m_separator) {
return i18n("Insert Separator");
} else if (m_group) {
return i18n("Create Folder");
} else if (!m_originalBookmark.isNull()) {
return i18n("Copy %1").arg(m_mytext);
} else {
return i18n("Create Bookmark");
}
}
void CreateCommand::execute() {
TQString parentAddress = KBookmark::parentAddress(m_to);
KBookmarkGroup parentGroup =
CurrentMgr::bookmarkAt(parentAddress).toGroup();
TQString previousSibling = KBookmark::previousAddress(m_to);
// kdDebug() << "CreateCommand::execute previousSibling="
// << previousSibling << endl;
KBookmark prev = (previousSibling.isEmpty())
? KBookmark(TQDomElement())
: CurrentMgr::bookmarkAt(previousSibling);
KBookmark bk = KBookmark(TQDomElement());
if (m_separator) {
bk = parentGroup.createNewSeparator();
} else if (m_group) {
Q_ASSERT(!m_text.isEmpty());
bk = parentGroup.createNewFolder(CurrentMgr::self()->mgr(),
m_text, false);
bk.internalElement().setAttribute("folded", (m_open ? "no" : "yes"));
if (!m_iconPath.isEmpty()) {
bk.internalElement().setAttribute("icon", m_iconPath);
}
} else if (!m_originalBookmark.isNull()) {
// umm.. moveItem needs bk to be a child already!
bk = m_originalBookmark;
} else {
bk = parentGroup.addBookmark(CurrentMgr::self()->mgr(),
m_text, m_url,
m_iconPath, false);
}
// move to right position
parentGroup.moveItem(bk, prev);
if (!(name().isEmpty()) && !parentAddress.isEmpty() ) {
// open the parent (useful if it was empty) - only for manual commands
Q_ASSERT( parentGroup.internalElement().tagName() != "xbel" );
parentGroup.internalElement().setAttribute("folded", "no");
}
Q_ASSERT(bk.address() == m_to);
}
TQString CreateCommand::finalAddress() const {
Q_ASSERT( !m_to.isEmpty() );
return m_to;
}
void CreateCommand::unexecute() {
// kdDebug() << "CreateCommand::unexecute deleting " << m_to << endl;
KBookmark bk = CurrentMgr::bookmarkAt(m_to);
Q_ASSERT(!bk.isNull() && !bk.parentGroup().isNull());
ListView::self()->invalidate(bk.address());
bk.parentGroup().deleteBookmark(bk);
}
TQString CreateCommand::affectedBookmarks() const
{
return KBookmark::parentAddress(m_to);
}
TQString CreateCommand::currentAddress() const
{
TQString bk = KBookmark::previousAddress( m_to );
if(CurrentMgr::bookmarkAt( bk).hasParent())
return bk;
else
return KBookmark::parentAddress( m_to );
}
/* -------------------------------------- */
TQString EditCommand::name() const {
return i18n("%1 Change").arg(m_mytext);
}
void EditCommand::execute() {
KBookmark bk = CurrentMgr::bookmarkAt(m_address);
Q_ASSERT(!bk.isNull());
m_reverseEditions.clear();
TQValueList<Edition>::Iterator it = m_editions.begin();
for ( ; it != m_editions.end() ; ++it) {
// backup current value
m_reverseEditions.append( Edition((*it).attr,
bk.internalElement().attribute((*it).attr)));
// set new value
bk.internalElement().setAttribute((*it).attr, (*it).value);
}
}
void EditCommand::unexecute() {
// code reuse
EditCommand cmd(m_address, m_reverseEditions);
cmd.execute();
// get the editions back from it,
// in case they changed
// (hmm, shouldn't happen - TODO CHECK!)
m_editions = cmd.m_reverseEditions;
}
TQString EditCommand::affectedBookmarks() const
{
return KBookmark::parentAddress(m_address);
}
void EditCommand::modify(const TQString & a, const TQString & v)
{
TQValueList<Edition>::Iterator it = m_editions.begin();
TQValueList<Edition>::Iterator end = m_editions.end();
for ( ; it != end; ++it)
{
if( (*it).attr == a)
(*it).value = v;
}
}
/* -------------------------------------- */
TQString NodeEditCommand::name() const {
// TODO - make dynamic
return i18n("Renaming");
}
TQString NodeEditCommand::getNodeText(KBookmark bk, const TQStringList &nodehier) {
TQDomNode subnode = bk.internalElement();
for (TQStringList::ConstIterator it = nodehier.begin();
it != nodehier.end(); ++it)
{
subnode = subnode.namedItem((*it));
if (subnode.isNull())
return TQString::null;
}
return (subnode.firstChild().isNull())
? TQString::null
: subnode.firstChild().toText().data();
}
TQString NodeEditCommand::setNodeText(KBookmark bk, const TQStringList &nodehier,
const TQString newValue) {
TQDomNode subnode = bk.internalElement();
for (TQStringList::ConstIterator it = nodehier.begin();
it != nodehier.end(); ++it)
{
subnode = subnode.namedItem((*it));
if (subnode.isNull()) {
subnode = bk.internalElement().ownerDocument().createElement((*it));
bk.internalElement().appendChild(subnode);
}
}
if (subnode.firstChild().isNull()) {
TQDomText domtext = subnode.ownerDocument().createTextNode("");
subnode.appendChild(domtext);
}
TQDomText domtext = subnode.firstChild().toText();
TQString oldText = domtext.data();
domtext.setData(newValue);
return oldText;
}
void NodeEditCommand::execute() {
// DUPLICATED HEAVILY FROM KIO/BOOKMARKS
KBookmark bk = CurrentMgr::bookmarkAt(m_address);
Q_ASSERT(!bk.isNull());
m_oldText = setNodeText(bk, TQStringList() << m_nodename, m_newText);
}
void NodeEditCommand::unexecute() {
// reuse code
NodeEditCommand cmd(m_address, m_oldText, m_nodename);
cmd.execute();
// get the old text back from it, in case they changed
// (hmm, shouldn't happen)
// AK - DUP'ed from above???
m_newText = cmd.m_oldText;
}
void NodeEditCommand::modify(const TQString & newText)
{
m_newText = newText;
}
TQString NodeEditCommand::affectedBookmarks() const
{
return KBookmark::parentAddress(m_address);
}
/* -------------------------------------- */
void DeleteCommand::execute() {
// kdDebug() << "DeleteCommand::execute " << m_from << endl;
KBookmark bk = CurrentMgr::bookmarkAt(m_from);
Q_ASSERT(!bk.isNull());
if (m_contentOnly) {
TQDomElement groupRoot = bk.internalElement();
TQDomNode n = groupRoot.firstChild();
while (!n.isNull()) {
TQDomElement e = n.toElement();
if (!e.isNull()) {
// kdDebug() << e.tagName() << endl;
}
TQDomNode next = n.nextSibling();
groupRoot.removeChild(n);
n = next;
}
return;
}
// TODO - bug - unparsed xml is lost after undo,
// we must store it all therefore
if (!m_cmd) {
if (bk.isGroup()) {
m_cmd = new CreateCommand(
m_from, bk.fullText(), bk.icon(),
bk.internalElement().attribute("folded") == "no");
m_subCmd = deleteAll(bk.toGroup());
m_subCmd->execute();
} else {
m_cmd = (bk.isSeparator())
? new CreateCommand(m_from)
: new CreateCommand(m_from, bk.fullText(),
bk.icon(), bk.url());
}
}
m_cmd->unexecute();
}
void DeleteCommand::unexecute() {
// kdDebug() << "DeleteCommand::unexecute " << m_from << endl;
if (m_contentOnly) {
// TODO - recover saved metadata
return;
}
m_cmd->execute();
if (m_subCmd) {
m_subCmd->unexecute();
}
}
TQString DeleteCommand::affectedBookmarks() const
{
return KBookmark::parentAddress(m_from);
}
KEBMacroCommand* DeleteCommand::deleteAll(const KBookmarkGroup & parentGroup) {
KEBMacroCommand *cmd = new KEBMacroCommand(TQString::null);
TQStringList lstToDelete;
// we need to delete from the end, to avoid index shifting
for (KBookmark bk = parentGroup.first();
!bk.isNull(); bk = parentGroup.next(bk))
lstToDelete.prepend(bk.address());
for (TQStringList::Iterator it = lstToDelete.begin();
it != lstToDelete.end(); ++it)
cmd->addCommand(new DeleteCommand((*it)));
return cmd;
}
/* -------------------------------------- */
TQString MoveCommand::name() const {
return i18n("Move %1").arg(m_mytext);
}
void MoveCommand::execute() {
// kdDebug() << "MoveCommand::execute moving from=" << m_from
// << " to=" << m_to << endl;
KBookmark bk = CurrentMgr::bookmarkAt(m_from);
Q_ASSERT(!bk.isNull());
// look for m_from in the QDom tree
KBookmark oldParent =
CurrentMgr::bookmarkAt(KBookmark::parentAddress(m_from));
bool wasFirstChild = (KBookmark::positionInParent(m_from) == 0);
KBookmark oldPreviousSibling = wasFirstChild
? KBookmark(TQDomElement())
: CurrentMgr::bookmarkAt(
KBookmark::previousAddress(m_from));
// look for m_to in the QDom tree
TQString parentAddress = KBookmark::parentAddress(m_to);
KBookmark newParent = CurrentMgr::bookmarkAt(parentAddress);
Q_ASSERT(!newParent.isNull());
Q_ASSERT(newParent.isGroup());
bool isFirstChild = (KBookmark::positionInParent(m_to) == 0);
if (isFirstChild) {
newParent.toGroup().moveItem(bk, TQDomElement());
} else {
TQString afterAddress = KBookmark::previousAddress(m_to);
// kdDebug() << "MoveCommand::execute afterAddress="
// << afterAddress << endl;
KBookmark afterNow = CurrentMgr::bookmarkAt(afterAddress);
Q_ASSERT(!afterNow.isNull());
bool movedOkay = newParent.toGroup().moveItem(bk, afterNow);
Q_ASSERT(movedOkay);
// kdDebug() << "MoveCommand::execute after moving in the dom tree"
// ": item=" << bk.address() << endl;
}
// because we moved stuff around, the from/to
// addresses can have changed, update
m_to = bk.address();
m_from = (wasFirstChild)
? (oldParent.address() + "/0")
: KBookmark::nextAddress(oldPreviousSibling.address());
// kdDebug() << "MoveCommand::execute : new addresses from="
// << m_from << " to=" << m_to << endl;
}
TQString MoveCommand::finalAddress() const {
Q_ASSERT( !m_to.isEmpty() );
return m_to;
}
void MoveCommand::unexecute() {
// let's not duplicate code.
MoveCommand undoCmd(m_to, m_from);
undoCmd.execute();
// get the addresses back from that command, in case they changed
m_from = undoCmd.m_to;
m_to = undoCmd.m_from;
}
TQString MoveCommand::affectedBookmarks() const
{
return KBookmark::commonParent(KBookmark::parentAddress(m_from), KBookmark::parentAddress(m_to));
}
/* -------------------------------------- */
class SortItem {
public:
SortItem(const KBookmark & bk) : m_bk(bk) { ; }
bool operator == (const SortItem & s) {
return (m_bk.internalElement() == s.m_bk.internalElement()); }
bool isNull() const {
return m_bk.isNull(); }
SortItem previousSibling() const {
return m_bk.parentGroup().previous(m_bk); }
SortItem nextSibling() const {
return m_bk.parentGroup().next(m_bk); }
const KBookmark& bookmark() const {
return m_bk; }
private:
KBookmark m_bk;
};
class SortByName {
public:
static TQString key(const SortItem &item) {
return (item.bookmark().isGroup() ? "a" : "b")
+ (item.bookmark().fullText().lower());
}
};
/* -------------------------------------- */
void SortCommand::execute() {
if (m_commands.isEmpty()) {
KBookmarkGroup grp = CurrentMgr::bookmarkAt(m_groupAddress).toGroup();
Q_ASSERT(!grp.isNull());
SortItem firstChild(grp.first());
// this will call moveAfter, which will add
// the subcommands for moving the items
kInsertionSort<SortItem, SortByName, TQString, SortCommand>
(firstChild, (*this));
} else {
// don't execute for second time on addCommand(cmd)
KEBMacroCommand::execute();
}
}
void SortCommand::moveAfter(const SortItem &moveMe,
const SortItem &afterMe) {
TQString destAddress =
afterMe.isNull()
// move as first child
? KBookmark::parentAddress(moveMe.bookmark().address()) + "/0"
// move after "afterMe"
: KBookmark::nextAddress(afterMe.bookmark().address());
MoveCommand *cmd = new MoveCommand(moveMe.bookmark().address(),
destAddress);
cmd->execute();
this->addCommand(cmd);
}
void SortCommand::unexecute() {
KEBMacroCommand::unexecute();
}
TQString SortCommand::affectedBookmarks() const
{
return m_groupAddress;
}
/* -------------------------------------- */
KEBMacroCommand* CmdGen::setAsToolbar(const KBookmark &bk) {
KEBMacroCommand *mcmd = new KEBMacroCommand(i18n("Set as Bookmark Toolbar"));
KBookmarkGroup oldToolbar = CurrentMgr::self()->mgr()->toolbar();
if (!oldToolbar.isNull()) {
TQValueList<EditCommand::Edition> lst;
lst.append(EditCommand::Edition("toolbar", "no"));
lst.append(EditCommand::Edition("icon", ""));
EditCommand *cmd1 = new EditCommand(oldToolbar.address(), lst);
mcmd->addCommand(cmd1);
}
TQValueList<EditCommand::Edition> lst;
lst.append(EditCommand::Edition("toolbar", "yes"));
lst.append(EditCommand::Edition("icon", "bookmark_toolbar"));
// TODO - see below
EditCommand *cmd2 = new EditCommand(bk.address(), lst);
mcmd->addCommand(cmd2);
return mcmd;
}
bool CmdGen::shownInToolbar(const KBookmark &bk) {
return (bk.internalElement().attribute("showintoolbar") == "yes");
}
KEBMacroCommand* CmdGen::setShownInToolbar(const TQValueList<KBookmark> &bks, bool show) {
TQString i18n_name = i18n("%1 in Bookmark Toolbar").arg(show ? i18n("Show")
: i18n("Hide"));
KEBMacroCommand *mcmd = new KEBMacroCommand(i18n_name);
TQValueList<KBookmark>::ConstIterator it, end;
end = bks.end();
for(it = bks.begin(); it != end; ++it)
{
TQValueList<EditCommand::Edition> lst;
lst.append(EditCommand::Edition("showintoolbar", show ? "yes" : "no"));
EditCommand *cmd = new EditCommand((*it).address(), lst);
mcmd->addCommand(cmd);
}
return mcmd;
}
KEBMacroCommand* CmdGen::insertMimeSource(
const TQString &cmdName, TQMimeSource *_data, const TQString &addr
) {
TQMimeSource *data = _data;
bool modified = false;
const char *format = 0;
for (int i = 0; format = data->format(i), format; i++) {
// qt docs don't say if encodedData(blah) where
// blah is not a stored mimetype should return null
// or not. so, we search. sucky...
if (strcmp(format, "GALEON_BOOKMARK") == 0) {
modified = true;
TQStoredDrag *mydrag = new TQStoredDrag("application/x-xbel");
mydrag->setEncodedData(data->encodedData("GALEON_BOOKMARK"));
data = mydrag;
break;
} else if( strcmp(format, "application/x-xbel" )==0) {
/* nothing we created a kbbookmarks drag when we copy element (slotcopy/slotpaste)*/
break;
} else if (strcmp(format, "text/uri-list") == 0) {
KURL::List uris;
if (!KURLDrag::decode(data, uris))
continue; // break out of format loop
KURL::List::ConstIterator uit = uris.begin();
KURL::List::ConstIterator uEnd = uris.end();
TQValueList<KBookmark> urlBks;
for ( ; uit != uEnd ; ++uit ) {
if (!(*uit).url().endsWith(".desktop")) {
urlBks << KBookmark::standaloneBookmark((*uit).prettyURL(), (*uit));
continue;
}
KDesktopFile df((*uit).path(), true);
TQString title = df.readName();
KURL url(df.readURL());
if (title.isNull())
title = url.prettyURL();
urlBks << KBookmark::standaloneBookmark(title, url, df.readIcon());
}
KBookmarkDrag *mydrag = KBookmarkDrag::newDrag(urlBks, 0);
modified = true;
data = mydrag;
}
}
if (!KBookmarkDrag::canDecode(data))
{
if (modified) // Shouldn't happen
delete data;
return 0;
}
KEBMacroCommand *mcmd = new KEBMacroCommand(cmdName);
TQString currentAddress = addr;
TQValueList<KBookmark> bookmarks = KBookmarkDrag::decode(data);
for (TQValueListConstIterator<KBookmark> it = bookmarks.begin();
it != bookmarks.end(); ++it) {
CreateCommand *cmd = new CreateCommand(currentAddress, (*it));
cmd->execute();
mcmd->addCommand(cmd);
currentAddress = KBookmark::nextAddress(currentAddress);
}
if (modified)
delete data;
return mcmd;
}
KEBMacroCommand* CmdGen::itemsMoved(const TQValueVector<KEBListViewItem *> & items,
const TQString &newAddress, bool copy) {
KEBMacroCommand *mcmd = new KEBMacroCommand(copy ? i18n("Copy Items")
: i18n("Move Items"));
TQValueList<KBookmark> list = ListView::self()->itemsToBookmarks( items );
TQValueList<KBookmark>::const_iterator it, end;
it = list.begin();
end = list.end();
TQString bkInsertAddr = newAddress;
for (; it != end; ++it) {
if (copy) {
CreateCommand *cmd;
cmd = new CreateCommand(
bkInsertAddr,
(*it).internalElement()
.cloneNode(true).toElement(),
(*it).text());
cmd->execute();
mcmd->addCommand(cmd);
bkInsertAddr = cmd->finalAddress();
} else /* if (move) */ {
TQString oldAddress = (*it).address();
if (bkInsertAddr.startsWith(oldAddress)) //FIXME uses internal representation of address
continue;
MoveCommand *cmd = new MoveCommand(oldAddress, bkInsertAddr,
(*it).text());
cmd->execute();
mcmd->addCommand(cmd);
bkInsertAddr = cmd->finalAddress();
}
bkInsertAddr = KBookmark::nextAddress(bkInsertAddr);
}
return mcmd;
}