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//=============================================================================
// MusE
// Linux Music Editor
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// 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; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#include "listedit.h"
#include "ctrllistedit.h"
#include "partlistedit.h"
#include "tracklistedit.h"
#include "song.h"
#include "part.h"
#include "ctrl.h"
//---------------------------------------------------------
// operator==
//---------------------------------------------------------
bool ListType::operator==(const ListType& t) const
{
return id == t.id && track == t.track
&& part == t.part && (ctrl ? ctrl->id() == t.ctrl->id() : true);
}
//---------------------------------------------------------
// ListEdit
//---------------------------------------------------------
ListEdit::ListEdit(QWidget*)
: TopWin()
{
setWindowTitle(tr("MusE: List Edit"));
QSplitter* split = new QSplitter;
split->setOpaqueResize(true);
setCentralWidget(split);
list = new QTreeWidget;
list->setColumnCount(1);
list->setSelectionMode(QAbstractItemView::SingleSelection);
list->setRootIsDecorated(true);
list->setColumnCount(1);
list->setHeaderLabels(QStringList("Element"));
list->setSortingEnabled(false);
list->setUniformRowHeights(true);
split->addWidget(list);
stack = new QStackedWidget;
split->addWidget(stack);
ctrlPanel = new CtrlListEditor(this);
stack->addWidget(ctrlPanel);
partPanel = new PartListEditor(this);
stack->addWidget(partPanel);
trackPanel = new TrackListEditor(this);
stack->addWidget(trackPanel);
connect(list, SIGNAL(currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)),
SLOT(itemChanged(QTreeWidgetItem*,QTreeWidgetItem*)));
connect(list, SIGNAL(itemExpanded(QTreeWidgetItem*)), SLOT(itemExpanded(QTreeWidgetItem*)));
connect(list, SIGNAL(itemCollapsed(QTreeWidgetItem*)), SLOT(itemExpanded(QTreeWidgetItem*)));
connect(song, SIGNAL(songChanged(int)), SLOT(songChanged(int)));
list->resizeColumnToContents(0);
resize(900, 400);
}
//---------------------------------------------------------
// itemExpanded
//---------------------------------------------------------
void ListEdit::itemExpanded(QTreeWidgetItem*)
{
list->resizeColumnToContents(0);
}
//---------------------------------------------------------
// itemChanged
//---------------------------------------------------------
void ListEdit::itemChanged(QTreeWidgetItem* i, QTreeWidgetItem*)
{
if (i == 0)
return;
ListWidget* ew = ctrlPanel;
lt = i->data(0, Qt::UserRole).value<ListType>();
switch(lt.id) {
case LIST_TRACK:
ew = trackPanel;
break;
case LIST_PART:
ew = partPanel;
break;
case LIST_CTRL:
ew = ctrlPanel;
break;
default:
return;
}
ew->setup(lt);
stack->setCurrentWidget(ew);
}
//---------------------------------------------------------
// buildList
//---------------------------------------------------------
void ListEdit::buildList()
{
list->clear();
TrackList* tl = song->tracks();
int idx = 0;
ListType lt;
for (iTrack i = tl->begin(); i != tl->end(); ++i,++idx) {
QTreeWidgetItem* item = new QTreeWidgetItem;
Track* t = *i;
item->setText(0, t->name());
lt.id = LIST_TRACK;
lt.track = t;
item->setData(0, Qt::UserRole, QVariant::fromValue(lt));
list->insertTopLevelItem(idx, item);
PartList* pl = t->parts();
if (!pl->empty()) {
QTreeWidgetItem* pitem = new QTreeWidgetItem(item);
pitem->setFlags(pitem->flags() & ~Qt::ItemIsSelectable);
pitem->setText(0, tr("Parts"));
lt.id = LIST_NONE;
pitem->setData(0, Qt::UserRole, QVariant::fromValue(lt));
for (iPart pi = pl->begin(); pi != pl->end(); ++pi) {
lt.id = LIST_PART;
lt.part = pi->second;
QTreeWidgetItem* ppitem = new QTreeWidgetItem(pitem);
ppitem->setData(0, Qt::UserRole, QVariant::fromValue(lt));
ppitem->setText(0, pi->second->name());
}
}
CtrlList* cl = t->controller();
lt.part = 0;
if (!cl->empty()) {
QTreeWidgetItem* citem = new QTreeWidgetItem(item);
citem->setText(0, tr("Controller"));
citem->setFlags(citem->flags() & ~Qt::ItemIsSelectable);
lt.id = LIST_NONE;
citem->setData(0, Qt::UserRole, QVariant::fromValue(lt));
for (iCtrl ci = cl->begin(); ci != cl->end(); ++ci) {
QTreeWidgetItem* ccitem = new QTreeWidgetItem(citem);
ccitem->setText(0, ci->second->name());
lt.id = LIST_CTRL;
lt.ctrl = ci->second;
ccitem->setData(0, Qt::UserRole, QVariant::fromValue(lt));
}
}
}
}
//---------------------------------------------------------
// songChanged
//---------------------------------------------------------
void ListEdit::songChanged(int flags)
{
if (flags & (SC_TRACK_INSERTED | SC_TRACK_REMOVED | SC_PART_INSERTED
| SC_PART_REMOVED)) {
buildList();
selectItem();
}
}
//---------------------------------------------------------
// findItem
//---------------------------------------------------------
QTreeWidgetItem* ListEdit::findItem(const ListType& lt, QTreeWidgetItem* item)
{
if (item->flags() & Qt::ItemIsSelectable) {
if (lt == item->data(0, Qt::UserRole).value<ListType>())
return item;
}
for (int n = 0; n < item->childCount(); ++n) {
QTreeWidgetItem* i = findItem(lt, item->child(n));
if (i)
return i;
}
return 0;
}
//---------------------------------------------------------
// selectItem
//---------------------------------------------------------
void ListEdit::selectItem(const AL::Pos& p, Track* track, Part* part, Ctrl* ctrl)
{
_pos = p;
stack->setCurrentWidget(ctrlPanel);
if (ctrl)
lt.id = LIST_CTRL;
else if (part)
lt.id = LIST_PART;
else if (track)
lt.id = LIST_TRACK;
else
return;
lt.track = track;
lt.part = part;
lt.ctrl = ctrl;
selectItem();
}
void ListEdit::selectItem()
{
stack->setCurrentWidget(ctrlPanel);
buildList();
for (int i = 0;; ++i) {
QTreeWidgetItem* item = list->topLevelItem(i);
if (item == 0) {
printf("MusE::ListEdit: Element not found\n");
break;
}
item = findItem(lt, item);
if (item) {
list->setItemExpanded(item, true);
list->setCurrentItem(item);
list->scrollToItem(item);
break;
}
}
}
//---------------------------------------------------------
// readStatus
//---------------------------------------------------------
void ListEdit::read(QDomNode node)
{
QString trackName;
Track* track = 0;
Part* part = 0;
Ctrl* ctrl = 0;
for (node = node.firstChild(); !node.isNull(); node = node.nextSibling()) {
QDomElement e = node.toElement();
QString tag(e.tagName());
if (tag == "Track") {
track = song->findTrack(e.text());
if (track == 0) {
printf("MusE::ListEdit::read: track not found\n");
}
}
else if (tag == "Pos")
_pos.read(node);
else if (tag == "Ctrl") {
int ctrlId = e.text().toInt();
ctrl = track->getController(ctrlId);
if (ctrl == 0) {
printf("MusE::ListEdit::read: controller not found: track %p\n", track);
printf("MusE::ListEdit::read: controller %d not found\n", ctrlId);
return;
}
}
else
AL::readProperties(this, node);
}
selectItem(_pos, track, part, ctrl);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void ListEdit::write(Xml& xml) const
{
xml.stag(metaObject()->className());
xml.writeProperties(this);
xml.tag("Track", lt.track->name());
if (lt.ctrl) {
xml.tag("Ctrl", lt.ctrl->id());
_pos.write(xml, "Pos");
}
xml.etag(metaObject()->className());
}
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