104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
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#include "selectfilesdialog.h"
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#include <QTreeView>
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#include <QVBoxLayout>
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#include <QFileSystemModel>
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#include <QList>
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#include <QString>
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#include <QPushButton>
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class SelectFilesModel : public QFileSystemModel {
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private:
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QList<QString> selected;
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QList<QString> unselected;
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int getindex(const QList<QString> &s, const QString &filepath) const {
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for (int i = 0; i < s.size(); ++i) {
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if (filepath.startsWith(s[i]))
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return i;
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}
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return -1;
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}
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public:
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SelectFilesModel() : QFileSystemModel() {
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QStringList f;
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f << "*.cpp";
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setNameFilters(f);
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setNameFilterDisables(false);
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}
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Qt::ItemFlags flags(const QModelIndex& index) const {
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if (index.column() == 0)
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return QFileSystemModel::flags(index) | Qt::ItemIsUserCheckable;
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return QFileSystemModel::flags(index);
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}
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QVariant data(const QModelIndex& index, int role=Qt::DisplayRole) const {
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if (role == Qt::CheckStateRole) {
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const QString filepath = filePath(index);
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if (getindex(selected,filepath) >= 0 &&
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getindex(unselected,filepath) == -1)
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return Qt::Checked;
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return Qt::Unchecked;
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}
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return QFileSystemModel::data(index, role);
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}
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bool setData(const QModelIndex& index, const QVariant& value, int role) {
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if (role == Qt::CheckStateRole) {
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const QString filepath = filePath(index);
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if (unselected.indexOf(filepath) != -1) {
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// remove unchecked path
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unselected.removeAll(filepath);
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} else if (selected.indexOf(filepath) != -1) {
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// remove checked path
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selected.removeAll(filepath);
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// remove child unchecked paths
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int i;
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while ((i = getindex(unselected,filepath)) != -1) {
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unselected.removeAt(i);
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}
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} else {
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if (getindex(selected,filepath) == -1)
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selected.append(filepath);
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else
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unselected.append(filepath);
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}
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if (rowCount(index) > 0)
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emit(dataChanged(index, index.child(rowCount(index)-1,0)));
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return true;
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}
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return QFileSystemModel::setData(index, value, role);
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}
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};
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SelectFilesDialog::SelectFilesDialog() : QDialog()
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{
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setModal(true);
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resize(300,400);
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QTreeView *treeView = new QTreeView(this);
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treeView->setModel(new SelectFilesModel);
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for (int i = 1; i < 4; ++i)
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treeView->setColumnHidden(i, true);
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QPushButton *cancel = new QPushButton("Cancel", this);
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connect(cancel,SIGNAL(clicked()),this,SLOT(accept()));
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setLayout(new QVBoxLayout(this));
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layout()->addWidget(treeView);
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layout()->addWidget(cancel);
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}
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