#include "FileExplorer.h"
#include "CustomFileDelegate.h"


FileExplorer::FileExplorer()  {
    model = new QFileSystemModel(this);
    resize(1000, 800);
    treeView = new QTreeView(this);
    treeView->setModel(model);
    it = new CustomFileDelegate(this, treeView);
    treeView->setItemDelegate(it);
    treeView->setHeaderHidden(false);
    treeView->setColumnWidth(0, 250);
    treeView->setAnimated(true);
    treeView->setSortingEnabled(true);
    treeView->setSelectionMode(QAbstractItemView::SingleSelection);
    layout = new QVBoxLayout(this);
    showRootDir = new QLineEdit;
    showFocusFile = new QLabel;
    layout->addWidget(showRootDir);
    layout->addWidget(treeView);
    auto bottom = new QHBoxLayout();
    confirmButton = new QPushButton("确定");
    cancelButton = new QPushButton("取消");
    confirmButton->setFixedHeight(height);
    cancelButton->setFixedHeight(height);

    bottom->addWidget(showFocusFile);
    bottom->addWidget(confirmButton);
    bottom->addWidget(cancelButton);
    layout->addLayout(bottom);
    changeRoot("D:/");

    connect(showRootDir, &QLineEdit::returnPressed, [this](){
        changeRoot(showRootDir->text());
    });
    connect(treeView, &QTreeView::clicked, [this](const QModelIndex &index) {
        focus = model->fileInfo(index);
        showFocusFile->setText(focus.fileName());
    });
}