--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/folderselectdialog.cpp	Thu Mar 26 16:30:18 2015 +0100
@@ -0,0 +1,194 @@
+/* Copyright (C) 2014 by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=2)
+ * and comes with ABSOLUTELY NO WARRANTY!
+ * See LICENSE.txt for details.
+ */
+#include "folderselectdialog.h"
+#include "constants.h"
+
+#include <QSortFilterProxyModel>
+#include <QStandardItemModel>
+#include <QTableView>
+#include <QVBoxLayout>
+#include <QLineEdit>
+#include <QLabel>
+#include <QApplication>
+#include <QStyle>
+#include <QFileDialog>
+#include <QStandardPaths>
+#include <QPushButton>
+#include <QHeaderView>
+#include <QDebug>
+#include <QSettings>
+#include <QStringList>
+#include <QStandardItem>
+
+FolderSelectDialog::FolderSelectDialog(const QString& startFolder,
+                                       const QString& folderPattern,
+                                       const QString& pathLabel,
+                                       QWidget * parent,
+                                       Qt::WindowFlags f) :
+    QDialog(parent, f),
+    mCurFolder(startFolder),
+    mFolderPattern(folderPattern),
+    mPathLabelString(pathLabel),
+    mPathLabel(NULL),
+    mPathLineEdit(NULL)
+{
+    mSortModel = new QSortFilterProxyModel();
+    mModel = new QStandardItemModel();
+    mShowPathSelection = !pathLabel.isEmpty();
+    setupGUI();
+    if (mShowPathSelection) {
+        mPathLabel->setText("<b>" + pathLabel + ":</b>   ");
+    }
+    setFolder(mCurFolder);
+}
+
+void FolderSelectDialog::setupGUI() {
+    QVBoxLayout *base = new QVBoxLayout;
+    QHBoxLayout *folderChangeArea = new QHBoxLayout;
+
+    if (mShowPathSelection) {
+        mPathLabel = new QLabel;
+        folderChangeArea->addWidget(mPathLabel);
+        base->addLayout(folderChangeArea);
+
+        QPushButton *folderSelect = new QPushButton();
+        folderSelect->setToolTip(tr("Select folder"));
+        folderSelect->setIcon(QApplication::style()->standardIcon(QStyle::SP_DirIcon));
+        connect(folderSelect, &QPushButton::clicked, this,
+                &FolderSelectDialog::changeFolderClicked);
+        folderChangeArea->addWidget(folderSelect);
+
+        mPathLineEdit = new QLineEdit;
+        mPathLineEdit->setClearButtonEnabled(true);
+        connect(mPathLineEdit, &QLineEdit::textChanged, this,
+                &FolderSelectDialog::pathLineChanged);
+        folderChangeArea->addWidget(mPathLineEdit);
+
+        mGoButton = new QPushButton(tr("Go"));
+        mGoButton->setEnabled(false);
+        folderChangeArea->addWidget(mGoButton);
+        connect(mGoButton, &QPushButton::clicked, this,
+                &FolderSelectDialog::goClicked);
+    }
+
+    mFilterWidget = new FilterWidget(mSortModel);
+    base->addWidget(mFilterWidget);
+
+    mView = new QTableView;
+    mView->setModel(mSortModel);
+
+    mView->resizeColumnsToContents();
+    mView->setSelectionBehavior(QAbstractItemView::SelectRows);
+    mView->setSelectionMode(QAbstractItemView::SingleSelection);
+    mView->setSortingEnabled(true);
+    mView->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    connect(mView->selectionModel(), &QItemSelectionModel::selectionChanged,
+            this, &FolderSelectDialog::selectionChanged);
+    connect(mView, &QTableView::doubleClicked, this,
+            &FolderSelectDialog::wantToAccept);
+
+    base->addWidget(mView);
+
+    QHBoxLayout * bottomButtons = new QHBoxLayout;
+    base->addLayout(bottomButtons);
+
+    mOkButton = new QPushButton(tr("Ok"));
+    mOkButton->setEnabled(false);
+    connect(mOkButton, &QPushButton::clicked, this,
+            &FolderSelectDialog::wantToAccept);
+    bottomButtons->addStretch(-1);
+    bottomButtons->addWidget(mOkButton);
+    setLayout(base);
+}
+
+void FolderSelectDialog::selectionChanged (const QItemSelection& selected,
+                                           const QItemSelection& deselected) {
+    mOkButton->setEnabled(!selected.indexes().isEmpty());
+}
+
+void FolderSelectDialog::pathLineChanged() {
+    const QString path = mPathLineEdit->text();
+    qDebug() << "path: " << path;
+    if (path.isEmpty()) {
+        mGoButton->setEnabled(false);
+        return;
+    }
+    QDir dir(path);
+    if (dir.exists()) {
+        mGoButton->setEnabled(true);
+        return;
+    }
+    mGoButton->setEnabled(false);
+}
+
+
+void FolderSelectDialog::goClicked() {
+    setFolder(mPathLineEdit->text());
+    QSettings settings;
+    /* assuming go is only available in root folder mode */
+    settings.setValue(ROOT_FOLDER_KEY, mPathLineEdit->text());
+}
+
+void FolderSelectDialog::setFolder(const QString& folder) {
+    mCurFolder = folder;
+    if (mPathLineEdit) {
+        mPathLineEdit->setText(mCurFolder);
+    }
+
+    QStringList columns = mFolderPattern.split(PATTERN_SEPERATOR);
+    mModel->clear();
+    mModel->setHorizontalHeaderLabels(columns);
+    QDir dir(folder);
+    qDebug() << "Folder set to: " << folder;
+    foreach (const QString & subfolder, dir.entryList(QDir::Dirs |
+                                                      QDir::Readable |
+                                                      QDir::NoDotAndDotDot)) {
+        qDebug() << "Looking at: " << subfolder;
+        QStringList itemData = subfolder.split(PATTERN_SEPERATOR);
+        if (itemData.size() != columns.size()) {
+            qDebug() << "Failed to parse: " << subfolder;
+            continue;
+        }
+        QList<QStandardItem*> items;
+        foreach (const QString& part, itemData) {
+            QStandardItem * item = new QStandardItem(part);
+            item->setData(dir.absoluteFilePath(subfolder));
+            items.append(item);
+        }
+        mModel->appendRow(items);
+    }
+    mSortModel->setSourceModel(mModel);
+}
+
+void FolderSelectDialog::wantToAccept() {
+    QItemSelectionModel *selection = mView->selectionModel();
+    QModelIndexList selected = selection->selectedIndexes();
+    if (selected.isEmpty()) { /* Ok should not be enabled in that case */
+        return;
+    }
+    const QString folder = selected[0].data(Qt::UserRole + 1).toString();
+
+    emit folderSelected(folder);
+    accept();
+}
+
+void FolderSelectDialog::changeFolderClicked()
+{
+    const QString oldFolder = mCurFolder;
+    const QString startLoc = mCurFolder.isEmpty() ?
+        QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation) :
+        mCurFolder;
+
+    QString outFolder = QFileDialog::getExistingDirectory(
+            this, tr("Select ") + mPathLabelString,
+            startLoc);
+    if (outFolder.isEmpty()) {
+        /* User aborted */
+        return;
+    }
+    setFolder(outFolder);
+}