MuseScore/mscore/workspace.cpp
2013-03-01 17:14:36 +01:00

471 lines
15 KiB
C++

//=============================================================================
// MuseScore
// Linux Music Score Editor
// $Id:$
//
// Copyright (C) 2011 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 "workspace.h"
#include "musescore.h"
#include "libmscore/score.h"
#include "libmscore/imageStore.h"
#include "libmscore/xml.h"
#include "libmscore/qzipreader_p.h"
#include "libmscore/qzipwriter_p.h"
#include "preferences.h"
#include "palette.h"
#include "palettebox.h"
bool Workspace::workspacesRead = false;
QList<Workspace*> Workspace::_workspaces;
Workspace* Workspace::currentWorkspace;
//---------------------------------------------------------
// undoWorkspace
//---------------------------------------------------------
void MuseScore::undoWorkspace()
{
Workspace::currentWorkspace->read();
Workspace::currentWorkspace->setDirty(false);
}
//---------------------------------------------------------
// showWorkspaceMenu
//---------------------------------------------------------
void MuseScore::showWorkspaceMenu()
{
if (workspaces == 0) {
workspaces = new QActionGroup(this);
workspaces->setExclusive(true);
connect(workspaces, SIGNAL(triggered(QAction*)), SLOT(changeWorkspace(QAction*)));
}
else {
foreach(QAction* a, workspaces->actions())
workspaces->removeAction(a);
}
menuWorkspaces->clear();
const QList<Workspace*> pl = Workspace::workspaces();
foreach (Workspace* p, pl) {
QAction* a = workspaces->addAction(p->name());
a->setCheckable(true);
a->setData(p->path());
a->setChecked(a->text() == preferences.workspace);
menuWorkspaces->addAction(a);
}
menuWorkspaces->addSeparator();
QAction* a = new QAction(tr("New"), this);
connect(a, SIGNAL(triggered()), SLOT(createNewWorkspace()));
menuWorkspaces->addAction(a);
a = new QAction(tr("Delete"), this);
a->setDisabled(Workspace::currentWorkspace->readOnly());
connect(a, SIGNAL(triggered()), SLOT(deleteWorkspace()));
menuWorkspaces->addAction(a);
a = new QAction(tr("Undo Changes"), this);
a->setDisabled(Workspace::currentWorkspace->readOnly());
connect(a, SIGNAL(triggered()), SLOT(undoWorkspace()));
menuWorkspaces->addAction(a);
}
//---------------------------------------------------------
// createNewWorkspace
//---------------------------------------------------------
void MuseScore::createNewWorkspace()
{
QString s = QInputDialog::getText(this, tr("MuseScore: Read Workspace Name"),
tr("Workspace Name:"));
if (s.isEmpty())
return;
for (;;) {
bool notFound = true;
foreach(Workspace* p, Workspace::workspaces()) {
if (p->name() == s) {
notFound = false;
break;
}
}
if (!notFound) {
s = QInputDialog::getText(this,
tr("MuseScore: Read Workspace Name"),
QString(tr("'%1' does already exist,\nplease choose a different name:")).arg(s)
);
if (s.isEmpty())
return;
}
else
break;
}
Workspace::currentWorkspace->save();
Workspace::currentWorkspace = Workspace::createNewWorkspace(s);
preferences.workspace = Workspace::currentWorkspace->name();
}
//---------------------------------------------------------
// deleteWorkspace
//---------------------------------------------------------
void MuseScore::deleteWorkspace()
{
if (!workspaces)
return;
QAction* a = workspaces->checkedAction();
if (!a)
return;
preferences.dirty = true;
Workspace* workspace = 0;
foreach(Workspace* p, Workspace::workspaces()) {
if (p->name() == a->text()) {
workspace = p;
break;
}
}
if (!workspace)
return;
Workspace::workspaces().removeOne(workspace);
QFile f(workspace->path());
f.remove();
delete workspace;
Workspace::currentWorkspace = Workspace::workspaces().first();
preferences.workspace = Workspace::currentWorkspace->name();
}
//---------------------------------------------------------
// changeWorkspace
//---------------------------------------------------------
void MuseScore::changeWorkspace(QAction* a)
{
preferences.workspace = a->text();
preferences.dirty = true;
foreach(Workspace* p, Workspace::workspaces()) {
if (p->name() == a->text()) {
changeWorkspace(p);
return;
}
}
qDebug(" workspace not found");
}
//---------------------------------------------------------
// changeWorkspace
//---------------------------------------------------------
void MuseScore::changeWorkspace(Workspace* p)
{
Workspace::currentWorkspace->save();
p->read();
Workspace::currentWorkspace = p;
}
//---------------------------------------------------------
// initWorkspace
//---------------------------------------------------------
void Workspace::initWorkspace()
{
foreach(Workspace* p, Workspace::workspaces()) {
if (p->name() == preferences.workspace) {
currentWorkspace = p;
break;
}
}
if (currentWorkspace == 0) {
currentWorkspace = new Workspace;
currentWorkspace->setName("buildin");
}
}
//---------------------------------------------------------
// writeFailed
//---------------------------------------------------------
static void writeFailed(const QString& _path)
{
QString s = qApp->translate("Workspace", "Open Workspace File\n") + _path
+ qApp->translate("Workspace", "\nfailed: ");
QMessageBox::critical(mscore, qApp->translate("Workspace", "MuseScore: Writing Workspace file"), s);
}
//---------------------------------------------------------
// Workspace
//---------------------------------------------------------
Workspace::Workspace()
: QObject(0)
{
_dirty = false;
_readOnly = false;
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Workspace::write()
{
if (_path.isEmpty()) {
QString ext(".workspace");
QDir dir;
dir.mkpath(dataPath);
_path = dataPath + "/workspaces";
dir.mkpath(_path);
_path += "/" + _name + ext;
}
QZipWriter f(_path);
f.setCreationPermissions(
QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner
| QFile::ReadUser | QFile::WriteUser | QFile::ExeUser
| QFile::ReadGroup | QFile::WriteGroup | QFile::ExeGroup
| QFile::ReadOther | QFile::WriteOther | QFile::ExeOther);
if (f.status() != QZipWriter::NoError) {
writeFailed(_path);
return;
}
QBuffer cbuf;
cbuf.open(QIODevice::ReadWrite);
Xml xml(&cbuf);
xml.header();
xml.stag("container");
xml.stag("rootfiles");
xml.stag(QString("rootfile full-path=\"%1\"").arg(Xml::xmlString("workspace.xml")));
xml.etag();
foreach (ImageStoreItem* ip, imageStore) {
if (!ip->isUsed(gscore))
continue;
QString dstPath = QString("Pictures/") + ip->hashName();
xml.tag("file", dstPath);
}
xml.etag();
xml.etag();
cbuf.seek(0);
f.addDirectory("META-INF");
f.addDirectory("Pictures");
f.addFile("META-INF/container.xml", cbuf.data());
// save images
foreach(ImageStoreItem* ip, imageStore) {
if (!ip->isUsed(gscore))
continue;
QString dstPath = QString("Pictures/") + ip->hashName();
f.addFile(dstPath, ip->buffer());
}
{
QBuffer cbuf;
cbuf.open(QIODevice::ReadWrite);
Xml xml(&cbuf);
xml.clipboardmode = true;
xml.header();
xml.stag("museScore version=\"" MSC_VERSION "\"");
xml.stag("Workspace");
xml.tag("name", _name);
PaletteBox* pb = mscore->getPaletteBox();
pb->write(xml);
xml.etag();
xml.etag();
f.addFile("workspace.xml", cbuf.data());
cbuf.close();
}
if (f.status() != QZipWriter::NoError)
writeFailed(_path);
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Workspace::read()
{
if (_path.isEmpty() || !QFile(_path).exists()) {
PaletteBox* paletteBox = mscore->getPaletteBox();
paletteBox->clear();
mscore->populatePalette();
return;
}
QFileInfo fi(_path);
_readOnly = !fi.isWritable();
QZipReader f(_path);
QByteArray ba = f.fileData("META-INF/container.xml");
XmlReader e(ba);
// extract first rootfile
QString rootfile = "";
QList<QString> images;
while (e.readNextStartElement()) {
if (e.name() != "container")
e.unknown();
while (e.readNextStartElement()) {
if (e.name() != "rootfiles") {
e.unknown();
break;
}
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "rootfile") {
if (rootfile.isEmpty())
rootfile = e.attribute("full-path");
e.readNext();
e.readNext();
}
else if (tag == "file")
images.append(e.readElementText());
else
e.unknown();
}
}
}
//
// load images
//
foreach(const QString& s, images)
imageStore.add(s, f.fileData(s));
if (rootfile.isEmpty()) {
qDebug("can't find rootfile in: %s", qPrintable(_path));
return;
}
ba = f.fileData(rootfile);
e.clear();
e.addData(ba);
while (e.readNextStartElement()) {
if (e.name() == "museScore") {
while (e.readNextStartElement()) {
if (e.name() == "Workspace")
read(e);
else
e.unknown();
}
}
}
}
void Workspace::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "name")
_name = e.readElementText();
else if (tag == "PaletteBox") {
PaletteBox* paletteBox = mscore->getPaletteBox();
paletteBox->clear();
paletteBox->read(e);
QList<Palette*> pl = paletteBox->palettes();
foreach (Palette* p, pl) {
p->setSystemPalette(_readOnly);
connect(paletteBox, SIGNAL(changed()), SLOT(setDirty()));
}
}
else
e.unknown();
}
}
//---------------------------------------------------------
// save
//---------------------------------------------------------
void Workspace::save()
{
if (_readOnly)
return;
PaletteBox* pb = mscore->getPaletteBox();
if (pb)
write();
}
//---------------------------------------------------------
// workspaces
//---------------------------------------------------------
QList<Workspace*>& Workspace::workspaces()
{
if (!workspacesRead) {
QStringList path;
path << mscoreGlobalShare + "workspaces";
path << dataPath + "/workspaces";
QStringList nameFilters;
nameFilters << "*.workspace";
foreach(QString s, path) {
QDir dir(s);
QStringList pl = dir.entryList(nameFilters, QDir::Files, QDir::Name);
foreach (QString entry, pl) {
Workspace* p = 0;
QFileInfo fi(s + "/" + entry);
QString name(fi.baseName());
foreach(Workspace* w, _workspaces) {
if (w->name() == name) {
p = w;
break;
}
}
if (!p)
p = new Workspace;
p->setPath(s + "/" + entry);
p->setName(name);
p->setReadOnly(!fi.isWritable());
_workspaces.append(p);
}
}
workspacesRead = true;
}
return _workspaces;
}
//---------------------------------------------------------
// createNewWorkspace
//---------------------------------------------------------
Workspace* Workspace::createNewWorkspace(const QString& name)
{
Workspace* p = new Workspace;
p->setName(name);
p->setPath("");
p->setDirty(false);
p->write();
_workspaces.append(p);
return p;
}
//---------------------------------------------------------
// writeBuildinWorkspace
//---------------------------------------------------------
void Workspace::writeBuildinWorkspace()
{
PaletteBox* paletteBox = mscore->getPaletteBox();
paletteBox->clear();
mscore->populatePalette();
Workspace ws;
ws.setName("advanced");
ws.setPath("advanced.workspace");
ws.write();
}