112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
#include "File_Tool.h"
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Psc::File_Tool::File_Tool(const QString& title, Mode mode, QWidget* parent) : QWidget(parent), mode_(mode) {
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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title_label = new QLabel(title, this);
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path_edit = new QLineEdit(this);
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path_edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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browse_btn = new QPushButton("选择", this);
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browse_btn->setFixedWidth(48);
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set_help_text(browse_btn, "点击打开文件\n支持手动输入路径");
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clear_btn = new QPushButton("清空", this);
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clear_btn->setFixedWidth(48);
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set_help_text(clear_btn, "点击清空当前文件内容");
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backup_clear_btn = new QPushButton("备份清空", this);
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backup_clear_btn->setFixedWidth(72);
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set_help_text(backup_clear_btn, "点击清空,并且备份当前文件");
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auto layout = new QHBoxLayout(this);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(4);
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if (!title.isEmpty())
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layout->addWidget(title_label);
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layout->addWidget(path_edit);
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layout->addWidget(browse_btn);
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layout->addWidget(clear_btn);
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layout->addWidget(backup_clear_btn);
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// 选择路径
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connect(browse_btn, &QPushButton::clicked, this, [this]() {
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QString selected;
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switch (mode_) {
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case Mode::OpenFile:
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selected = QFileDialog::getOpenFileName(this, "Select File");
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break;
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case Mode::SaveFile:
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selected = QFileDialog::getSaveFileName(this, "Save File");
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break;
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case Mode::Directory:
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selected = QFileDialog::getExistingDirectory(this, "Select Directory");
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break;
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}
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if (!selected.isEmpty()) {
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path_edit->setText(selected);
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emit path_changed(selected);
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}
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});
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// 清空文件
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connect(clear_btn, &QPushButton::clicked, this, [this]() {
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const QString p = path_edit->text();
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if (p.isEmpty())
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return;
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QFileInfo info(p);
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if (!info.exists() || !info.isFile()) {
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Message::show(Message::error, "文件不存在！",
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this, 2000, Message::Top_Right);
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return;
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}
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QFile file(p);
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if (!file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
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Message::show(Message::error, "无法清空文件！",
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this, 2000, Message::Top_Right);
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return;
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}
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file.close();
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Message::show(Message::success, "文件已清空",
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this, 1500, Message::Top_Right);
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});
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// 备份并清空
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connect(backup_clear_btn, &QPushButton::clicked, this, [this]() {
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const QString p = path_edit->text();
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if (p.isEmpty())
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return;
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QFileInfo info(p);
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if (!info.exists() || !info.isFile()) {
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Message::show(Message::error, "文件不存在！",
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this, 2000, Message::Top_Right);
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return;
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}
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QString backup_path =
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info.absolutePath() + "/" +
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info.completeBaseName() + "_" +
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QDateTime::currentDateTime().toString("yyyy_MM_dd_hh_mm_ss") +
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"." + info.suffix();
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if (!QFile::copy(p, backup_path)) {
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Message::show(Message::error, "备份失败！",
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this, 2000, Message::Top_Right);
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return;
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}
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QFile file(p);
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if (!file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
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Message::show(Message::error, "清空失败！",
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this, 2000, Message::Top_Right);
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return;
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}
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file.close();
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Message::show(Message::success, "已备份并清空",
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this, 1500, Message::Top_Right);
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});
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connect(path_edit, &QLineEdit::editingFinished, this,
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[this]() {
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emit path_changed(path_edit->text());
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});
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}
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void Psc::File_Tool::set_title(const QString& t) {
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title_label->setText(t);
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title_label->setVisible(!t.isEmpty());
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}
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QString Psc::File_Tool::path() const {
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return path_edit->text();
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}
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void Psc::File_Tool::set_path(const QString& p) {
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path_edit->setText(p);
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emit path_changed(p);
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}
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