void LocalSong::readList(const QString &fName)
{
QString fileName = QString("%1.xml").arg(fName);
QFile file(fileName);
if (false==file.open(QFile::ReadOnly | QFile::Text)) {
return;
}
QXmlStreamReader reader;
reader.setDevice(&file);
songlist.clear();//清空歌曲路径列表
while (false==reader.atEnd())
{
reader.readNext();
if (reader.isStartElement())
{
if (reader.name() == "path")
{
QString songPath=reader.readElementText().toUtf8();
addSongList(songPath);//读取列表
setInfo(songPath);
}
}
}
qDebug()<<"本地列表读取完成";
unsigned long dirLength=songlist.length();
qDebug()<<"歌曲总数为"<<dirLength;
emit dirCount(dirLength);
file.close();
}
void LocalSong::addDir()
{
locDir= QFileDialog::getExistingDirectory(this,tr("扫描本地目录"),musicPaths.isEmpty() ? QDir::homePath() : musicPaths.first(),QFileDialog::ShowDirsOnly
| QFileDialog::DontResolveSymlinks);
QDir dir(locDir);
if(false==dir.exists())
{
return;
}
dir.setFilter(QDir::Files | QDir::NoSymLinks);
QFileInfoList list = dir.entryInfoList();
int file_count = list.count();
if(file_count <= 0)
{
return;
}
for(int i=0; i<file_count;++i)
{
QFileInfo file_info = list.at(i);
QString suffix = file_info.suffix();
if(QString::compare(suffix, QString("mp3"), Qt::CaseInsensitive) == 0)
{
QString absolute_file_path = file_info.absoluteFilePath();
addSongList(absolute_file_path);
setInfo(absolute_file_path);
}
}
qDebug()<<"已添加整个目录"<<locDir;
unsigned long dirLength=songlist.length();
qDebug()<<"歌曲总数为"<<dirLength;
emit dirCount(dirLength);
}
void LocalSong::openFile()
{
filePath = QFileDialog::getOpenFileName(
this, tr("添加本地音乐"),
musicPaths.isEmpty() ? QDir::homePath() : musicPaths.first(),
tr("Music files (*.mp3 *.m4a);;All files (*.*)"));
if(filePath.isEmpty())
{
return;
}
addSongList(filePath);
setInfo(filePath);
qDebug()<<"文件路径为"<<filePath;
unsigned long sinLength=songlist.length();
qDebug()<<"歌曲总数为"<<sinLength;
emit dirCount(sinLength);
}
bool RDirNode::empty() {
return (visible_count==0 && dirCount()==0) ? true : false;
}
bool RDirNode::addFile(RFile* f) {
//doesnt match this path at all
if(f->path.find(abspath) != 0) {
if(parent!=0) return false;
RDirNode* newparent;
std::string common = commonPathPrefix(f->path);
if(common.size()==0) common = "/";
newparent = new RDirNode(0, common);
newparent->addNode(this);
return newparent->addFile(f);
}
//simply change path of node and add this to it
if( parent==0 && abspath == "/"
&& f->path.compare(abspath) != 0 && fileCount()==0 && dirCount()==0) {
debugLog("modifying root path to %s\n", f->path.c_str());
changePath(f->path);
}
//is this dir - add to this node
if(f->path.compare(abspath) == 0) {
//debugLog("addFile %s to %s\n", f->fullpath.c_str(), abspath.c_str());
files.push_back(f);
if(!f->isHidden()) visible_count++;
f->setDir(this);
fileUpdated(false);
return true;
}
//does this belong to one of the children ?
for(std::list<RDirNode*>::iterator it = children.begin(); it != children.end(); it++) {
RDirNode* child = (*it);
bool added = child->addFile(f);
if(added) return true;
}
//add new child, add it to that
//if commonpath is longer than abspath, add intermediate node, else just add at the files path
RDirNode* node = new RDirNode(this, f->path);
node->addFile(f);
addNode(node);
// do we have dir nodes, with a common path element greater than abspath,
// if so create another node, and move those nodes there
std::string commonpath;
vec2f commonPos;
for(std::list<RDirNode*>::iterator it = children.begin(); it != children.end(); it++) {
RDirNode* child = (*it);
std::string common = child->commonPathPrefix(f->path);
if(common.size() > abspath.size() && common != f->path) {
commonpath = common;
commonPos = child->getPos();
break;
}
}
// redistribute to new common node
if(commonpath.size() > abspath.size()) {
//debugLog("common path %s\n", commonpath.c_str());
RDirNode* cnode = new RDirNode(this, commonpath);
cnode->setPos(commonPos);
for(std::list<RDirNode*>::iterator it = children.begin(); it != children.end();) {
RDirNode* child = (*it);
if(child->prefixedBy(commonpath)) {
//debugLog("this path = %s, commonpath = %s, path = %s\n", abspath.c_str(), commonpath.c_str(), child->getPath().c_str());
it = children.erase(it);
cnode->addNode(child);
continue;
}
it++;
}
addNode(cnode);
}
return true;
}
