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/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QPushButton>
#include <QLineEdit>
#include <QLabel>
#include <QSortFilterProxyModel>
#include <QRegExp>
#include <QContextMenuEvent>
#include <QMenu>
#include <QAction>
#include <QMessageBox>
#include <QSettings>
#include "seriestreewidget.h"
#include "smubermodel.h"
#include "smtreemodel.h"
#include "smubermodelsingleton.h"
#include "seriestreemodel.h"
SeriesTreeWidget::SeriesTreeWidget(QWidget *parent) : QWidget(parent){
//filter bar
QLabel *l1 = new QLabel(tr("&Filter:"));
mFilterEdit = new QLineEdit;
l1->setBuddy(mFilterEdit);
mFilter = new QPushButton(tr("Filter"));
QHBoxLayout *filterLayout = new QHBoxLayout;
connect(mFilter, SIGNAL(clicked()), this, SLOT(filter()));
connect(mFilterEdit, SIGNAL(returnPressed()), this, SLOT(filter()));
filterLayout->addWidget(l1);
filterLayout->addWidget(mFilterEdit);
filterLayout->addWidget(mFilter);
//the view
mView = new SeriesTreeView;
mProxy = new SeriesTreeSortModel(this);
mModel = SmUberModelSingleton::instance()->seriesModel();
mProxy->setSourceModel(mModel);
mView->setModel(mProxy);
mView->setSortingEnabled(true);
for(int i = 1; i < 5 ;++i){
mView->setColumnHidden(i, true);
}
mView->resizeColumnToContents(0);
mView->setSelectionMode(QAbstractItemView::ExtendedSelection);
connect(mModel, SIGNAL(needResort()), this, SLOT(resort()));
connect(mView, SIGNAL(expanded(QModelIndex)), this, SLOT(itemExpanded(QModelIndex)));
connect(mView, SIGNAL(collapsed(QModelIndex)), this, SLOT(itemCollaped(QModelIndex)));
//layout
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addLayout(filterLayout);
mainLayout->addWidget(mView);
setLayout(mainLayout);
}
void SeriesTreeWidget::newSeries(){
QList<QVariant> data;
data << tr("<New series>") << QVariant() << QVariant() << QVariant() << SeriesTreeModel::NewSeries;
if(mModel->addRow(data, QModelIndex())){
QModelIndex newRow = mModel->index(mModel->rowCount(QModelIndex()) - 1, 0, QModelIndex());
if(newRow.isValid()){
QModelIndex proxyIndex = mProxy->mapFromSource(newRow);
mView->selectionModel()->setCurrentIndex(proxyIndex, QItemSelectionModel::ClearAndSelect);
mView->edit(proxyIndex);
}
}
}
void SeriesTreeWidget::deleteFromSeries(){
QModelIndexList selected = mView->selectionModel()->selectedRows();
if(selected.isEmpty()){
return;
}
QList<QPersistentModelIndex> series;
QList<QPersistentModelIndex> parts;
foreach(QModelIndex s, selected){
QModelIndex real = mProxy->mapToSource(s);
if(real.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::Series || real.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::NewSeries){
series << QPersistentModelIndex(real);
}
if(real.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::Part){
parts << QPersistentModelIndex(real);
}
}
QList<QPersistentModelIndex> removeParts;
foreach(QPersistentModelIndex s, parts){
if(series.contains(s.parent())){
removeParts << s;
}
}
foreach(QPersistentModelIndex s, removeParts){
parts.removeAll(s);
}
QFileInfoList files;
foreach(QPersistentModelIndex s, series){
files.append(mModel->findFiles(s));
}
QString message;
if(!files.isEmpty()){
message = QString(tr("<p>This operation will delete %1 file(s) permanently:</p>")).arg(files.count());
message.append(tr("<ul>"));
int ctr = 0;
foreach(QFileInfo f, files){
++ctr;
QString li = QString(tr("<li>%1</li>")).arg(f.absoluteFilePath());
message.append(li);
if(ctr == 20){
QString elide = QString(tr("<li>(%1 more files)</li>")).arg(files.count() - ctr);
message.append(elide);
break;
}
}
message.append(tr("</ul>"));
message.append(tr("<p>Continue?</p>"));
}else{
message = QString(tr("<p>This operation will delete no files. Continue?</p>"));
}
int retval = QMessageBox::critical(this, tr("Delete Series"), message, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
if(retval == QMessageBox::Yes){
foreach(QPersistentModelIndex s, series){
mModel->deleteFromSeries(s);
}
foreach(QPersistentModelIndex s, parts){
mModel->deleteFromSeries(s);
}
}
}
void SeriesTreeWidget::readSettings(){
QSettings s;
QStringList expanded = s.value("archive/expanded").toStringList();
foreach(QString s, expanded){
QModelIndex idx = mProxy->mapFromSource(mModel->findValue(s));
mView->expand(idx);
mExpandedItems << s;
}
int sortOrder = s.value("archive/sortorder", Qt::DescendingOrder).toInt();
mView->sortByColumn(0, static_cast<Qt::SortOrder>(sortOrder));
}
void SeriesTreeWidget::writeSettings(){
QSettings s;
s.setValue("archive/expanded", mExpandedItems);
s.setValue("archive/sortorder", mProxy->sortOrder());
}
void SeriesTreeWidget::filter(){
mProxy->setFilterRegExp(mFilterEdit->text());
}
void SeriesTreeWidget::resort(){
mView->sortByColumn(0, mProxy->sortOrder());
mView->scrollTo(mView->selectionModel()->currentIndex(), QAbstractItemView::PositionAtCenter);
}
void SeriesTreeWidget::itemExpanded(const QModelIndex &what){
mExpandedItems << what.data(SeriesTreeModel::NameRole).toString();
}
void SeriesTreeWidget::itemCollaped(const QModelIndex &what){
QString itemName = what.data(SeriesTreeModel::NameRole).toString();
if(mExpandedItems.contains(itemName)){
mExpandedItems.removeAll(itemName);
}
}
SeriesTreeView::SeriesTreeView(QWidget *parent) : QTreeView(parent) {}
void SeriesTreeView::contextMenuEvent(QContextMenuEvent *e){
QMenu contextMenu(this);
foreach(QAction *a, actions()){
contextMenu.addAction(a);
}
contextMenu.exec(e->globalPos());
}
SeriesTreeSortModel::SeriesTreeSortModel(QObject *parent) : QSortFilterProxyModel(parent) {}
bool SeriesTreeSortModel::lessThan(const QModelIndex &left, const QModelIndex &right) const{
if(left.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::Part && right.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::Part){
return left.data(SeriesTreeModel::SeriesPartRole).toInt() < right.data(SeriesTreeModel::SeriesPartRole).toInt();
}
return QSortFilterProxyModel::lessThan(left, right);
}
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