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sperl inspired search algorithm implemented. works great

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git-svn-id: https://projectm.svn.sourceforge.net/svnroot/projectm/trunk@650 6778bc44-b910-0410-a7a0-be141de4315d
This commit is contained in:
w1z7ard
2007-11-04 07:41:31 +00:00
parent cefa23a565
commit ca1d6464d2
2 changed files with 43 additions and 8 deletions
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46
src/qprojectM/src/QProjectM_MainWindow.cpp
View File

@ -201,6 +201,15 @@ void QProjectM_MainWindow::open()
void QProjectM_MainWindow::refreshPlaylist() {
StringPairVector * stringPairs = new StringPairVector();
for (int i = 0; i < playlistModel->rowCount();i++) {
QModelIndex index = playlistModel->index(i, 0);
const QString & name = playlistModel->data(index, Qt::DisplayRole).toString();
const QString & url = playlistModel->data(index, QPlaylistModel::URLInfoRole).toString();
stringPairs->push_back(StringPair(url, name));
}
historyHash.insert(QString(), stringPairs);
QHeaderView * hHeader = new QHeaderView(Qt::Horizontal, this);
QHeaderView * vHeader = new QHeaderView(Qt::Vertical, this);
@ -281,8 +290,13 @@ void QProjectM_MainWindow::writeSettings()
void QProjectM_MainWindow::loadFile(const QString &fileName)
{
playlistModel->appendRow(fileName, strippedName(fileName));
const QString & name = strippedName(fileName);
//if (name.contains(previousFilter, Qt::CaseInsensitive))
playlistModel->appendRow(fileName, name);
//else
// exclusionHash.value(
}
@ -293,10 +307,31 @@ QString QProjectM_MainWindow::strippedName(const QString &fullFileName)
}
void QProjectM_MainWindow::updateFilteredPlaylist(const QString & filter) {
void QProjectM_MainWindow::updateFilteredPlaylist(const QString & text) {
const QString filter = text.toLower();
if (filter.length() < previousFilter.length()) {
playlistModel->clear();
if (historyHash.contains(filter)) {
const StringPairVector & stringPairs = *historyHash.value(filter);
for (StringPairVector::const_iterator pos = stringPairs.begin(); pos != stringPairs.end();++pos) {
playlistModel->appendRow(pos->first, pos->second);
}
} else {
const StringPairVector & stringPairs = *historyHash.value(QString());
StringPairVector * stringPairs2 = new StringPairVector();
for (StringPairVector::const_iterator pos = stringPairs.begin(); pos != stringPairs.end();++pos) {
if ((pos->first).contains(filter, Qt::CaseInsensitive)) {
playlistModel->appendRow(pos->first, pos->second);
stringPairs2->push_back(StringPair(pos->first,pos->second));
}
}
historyHash.insert(filter, stringPairs2);
}
#if 0
if (!(filter.substring(0, filter.length()-1) == previousFilter)) {
StringPairVector & stringPairs = *exclusionHash.value(previousFilter);
while (!stringPairs.empty()) {
@ -323,7 +358,6 @@ void QProjectM_MainWindow::updateFilteredPlaylist(const QString & filter) {
stringPairs->push_back(StringPair(url, name));
assert (i < playlistModel->rowCount());
assert (i >= 0);
std::cerr << "deleting " << i << std::endl;
playlistModel->removeRow(i);
i--;
}
@ -331,6 +365,6 @@ void QProjectM_MainWindow::updateFilteredPlaylist(const QString & filter) {
}
}
previousFilter = filter;
#endif
}

5
src/qprojectM/src/QProjectM_MainWindow.hpp
View File

@ -232,8 +232,9 @@ private:
Ui::qProjectM_MainWindow ui;
/// example: hashes string "erl" to "Geiss & Sperl, ...", and string "erla" to "Berlap, ..."
QHash<QString, StringPairVector*> exclusionHash;
// QHash<QString, StringPairVector*> exclusionHash;
QHash<QString, StringPairVector*> historyHash;
QTimer * m_timer;
void createActions();
void createMenus();