326 lines
9.3 KiB
C++
326 lines
9.3 KiB
C++
#include "FileManageWidget.h"
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#include "ui_FileManageWidget.h"
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#include <QDebug>
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#include "SysPara.h"
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#include <QDir>
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#include <QStringList>
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#include <QFile>
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#include <QFileInfo>
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#include <QMessageBox>
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#include <QTextStream>
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FileManageWidget::FileManageWidget(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::FileManageWidget)
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{
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ui->setupUi(this);
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applyStyleSheet();
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// 安装事件过滤器用于判断当前焦点位于系统文件列表还是U盘文件列表，高亮获得焦点的列表
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ui->systemFileListView->installEventFilter(this);
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ui->udiskFileListView->installEventFilter(this);
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// 将各自列表所查找的根目录存放到各自的动态属性中
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// updateFileListView方法将会从属性中获取对应的查找根路径用于更新文件列表
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ui->systemFileListView->setProperty("searchPath", DOC_ROOT_DIR);
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ui->udiskFileListView->setProperty("searchPath", UDISK_DOC_ROOT_DIR);
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// 清理ui文件中，用于调试的item
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ui->systemFileListView->clear();
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ui->udiskFileListView->clear();
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ui->systemFileListView->setMouseTracking(true);
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ui->udiskFileListView->setMouseTracking(true);
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connect(ui->systemFileListView, &QListWidget::itemSelectionChanged, this, &FileManageWidget::refreshButtonsStatus);
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connect(ui->udiskFileListView, &QListWidget::itemSelectionChanged, this, &FileManageWidget::refreshButtonsStatus);
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m_hasUDisk = checkUDiskPresent();
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onUDiskStateChanged();
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m_udiskCheckTimer = new QTimer(this);
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connect(m_udiskCheckTimer, &QTimer::timeout, this, &FileManageWidget::onUDiskCheckTimeout);
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m_udiskCheckTimer->start(1000);
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m_focusedListView = ui->systemFileListView;
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m_focusedListView->setFocus();
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refreshButtonsStatus();
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onFilterCBoxSelectChanged(ui->filterCBox->currentIndex());
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}
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FileManageWidget::~FileManageWidget()
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{
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m_udiskCheckTimer->stop();
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ui->systemFileListView->removeEventFilter(this);
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ui->udiskFileListView->removeEventFilter(this);
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delete ui;
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}
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bool FileManageWidget::eventFilter(QObject *watched, QEvent *event)
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{
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// 仅处理系统文件列表或U盘文件列表
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if(watched != ui->systemFileListView && watched != ui->udiskFileListView) {
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return false;
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}
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if(event->type() != QEvent::FocusIn && event->type() != QEvent::MouseMove && event->type() != QEvent::MouseButtonPress) {
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return false;
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}
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// 为获得焦点的列表视图改变边框色，高亮显示
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if(m_focusedListView == watched) {
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return false;
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}
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QWidget * backgroundPanel = dynamic_cast<QWidget *>(m_focusedListView->parent());
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auto palette = backgroundPanel->palette();
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palette.setColor(backgroundPanel->backgroundRole(), QColor("white"));
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backgroundPanel->setPalette(palette);
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m_focusedListView = dynamic_cast<QListWidget *>(watched);
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backgroundPanel = dynamic_cast<QWidget *>(watched->parent());
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palette = backgroundPanel->palette();
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palette.setColor(backgroundPanel->backgroundRole(), "#5396C1");
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backgroundPanel->setPalette(palette);
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refreshButtonsStatus();
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return false;
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}
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void FileManageWidget::onFilterCBoxSelectChanged(int i)
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{
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if(i < JobFile || i > All) {
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qWarning() << "无效的过滤类型编号: " << i;
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i = All;
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ui->filterCBox->setCurrentIndex(i);
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}
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m_currFilterType = i;
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refreshFileList(ui->systemFileListView);
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if (m_hasUDisk) {
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refreshFileList(ui->udiskFileListView);
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}
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}
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void FileManageWidget::onExportBtnClicked()
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{
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copyFiles(ui->systemFileListView, ui->udiskFileListView);
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refreshFileList(ui->udiskFileListView);
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}
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void FileManageWidget::onImportBtnClicked()
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{
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copyFiles(ui->udiskFileListView, ui->systemFileListView);
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refreshFileList(ui->systemFileListView);
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}
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void FileManageWidget::onSelectAllBtnClicked()
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{
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if(!m_focusedListView)
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return;
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m_focusedListView->selectAll();
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}
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void FileManageWidget::onCancelAllBtnClicked()
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{
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if(!m_focusedListView)
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return;
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m_focusedListView->clearSelection();
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}
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void FileManageWidget::onDelSelectedBtnClicked()
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{
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if(!m_focusedListView)
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return;
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auto items = m_focusedListView->selectedItems();
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for(auto item : items) {
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auto filename = item->data(AbsPathRole).toString();
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bool ret = QFile::remove(filename);
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qInfo() << "Delete: " << filename << ", result: " << ret;
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}
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refreshFileList(m_focusedListView);
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}
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bool FileManageWidget::checkUDiskPresent()
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{
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QFile mountsFile("/proc/mounts");
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if (mountsFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QString mountsContent = QString::fromLocal8Bit(mountsFile.readAll());
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mountsFile.close();
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if (mountsContent.lastIndexOf("/udisk ") != -1) {
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return true;
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}
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}
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return false;
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}
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bool FileManageWidget::ensureUDiskDocDir()
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{
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QDir dir(UDISK_DOC_ROOT_DIR);
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if (!dir.exists()) {
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if (!dir.mkpath(UDISK_DOC_ROOT_DIR)) {
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qCritical() << "Cannot create UDisk doc dir:" << UDISK_DOC_ROOT_DIR;
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return false;
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}
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qInfo() << "Created UDisk doc dir:" << UDISK_DOC_ROOT_DIR;
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}
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return true;
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}
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void FileManageWidget::onUDiskCheckTimeout()
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{
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bool hasUDisk = checkUDiskPresent();
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if (hasUDisk == m_hasUDisk) {
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return;
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}
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m_hasUDisk = hasUDisk;
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onUDiskStateChanged();
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}
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void FileManageWidget::onUDiskStateChanged()
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{
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ui->udiskSelectBox->clear();
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if (m_hasUDisk) {
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ui->udiskSelectBox->addItem(tr("U盘"));
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ui->udiskSelectBox->setCurrentIndex(0);
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if (ensureUDiskDocDir()) {
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refreshFileList(ui->udiskFileListView);
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} else {
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ui->udiskFileListView->clear();
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}
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} else {
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ui->udiskFileListView->clear();
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}
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}
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void FileManageWidget::refreshButtonsStatus()
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{
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if(!m_focusedListView)
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return;
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auto selectedItems = m_focusedListView->selectedItems();
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ui->cancelAllBtn->setEnabled(!selectedItems.isEmpty());
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ui->delSelectedBtn->setEnabled(!selectedItems.isEmpty());
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ui->importBtn->setEnabled(!selectedItems.isEmpty() && ui->udiskFileListView == m_focusedListView);
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ui->exportBtn->setEnabled(!selectedItems.isEmpty() && ui->systemFileListView == m_focusedListView);
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ui->selectAllBtn->setEnabled(m_focusedListView->count() != selectedItems.size());
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}
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int FileManageWidget::refreshFileList(QListWidget* listView)
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{
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QString searchPath = listView->property("searchPath").toString();
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QDir dir(searchPath);
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if (!dir.exists()) {
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listView->clear();
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return 0;
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}
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// 根据过滤类型设置过滤器字符串
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QStringList filters;
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switch(m_currFilterType) {
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case JobFile:
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filters << "*.xml";
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break;
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case Image:
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filters << "*.png" << "*.jpeg" << "*.gif" << "*.jpg" << "*.bmp"<< "*.BMP";
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break;
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case Font:
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filters << "*.ttf" << "*.otf";
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break;
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case All:
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default:
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filters << "*.xml" << "*.png" << "*.jpeg" << "*.gif" << "*.jpg" << "*.bmp"<< "*.BMP" << "*.html" << "*.ttf" << "*.otf";
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break;
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}
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// 获取过滤后的文件集合
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auto fileInfoList = dir.entryInfoList(filters, QDir::Files);
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// 清理视图并为其重新添加文件列表
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listView->clear();
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for(const auto& fileInfo : fileInfoList) {
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auto absPath = fileInfo.absoluteFilePath();
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QListWidgetItem *item = new QListWidgetItem();
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item->setText(fileInfo.fileName());
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item->setData(AbsPathRole, absPath);
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listView->addItem(item);
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}
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qInfo() << "Scan path: " << searchPath << ", files: " << fileInfoList.size() << ", target: " << listView->objectName();
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return fileInfoList.size();
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}
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void FileManageWidget::copyFiles(QListWidget *from, QListWidget *to)
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{
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// 获取目的地目录
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auto destPath = to->property("searchPath").toString();
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auto items = from->selectedItems();
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for(auto item : items) {
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auto srcPath = item->data(AbsPathRole).toString();
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auto destFilePath = destPath + QFileInfo(srcPath).fileName();
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QFileInfo destFile(destFilePath);
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if(destFile.exists()) {
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QFile::remove(destFilePath);
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}
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bool ret = QFile::copy(srcPath, destFilePath);
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qInfo() << "Copy: " << srcPath << " -> " << destFilePath << ", result: " << ret;
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}
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}
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void FileManageWidget::applyStyleSheet()
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{
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QString styleSheet =
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R"(
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QPushButton#closeBtn {
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background-color: #E6F7FF;
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border: 1px solid #87CEEB;
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border-radius: 4px;
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font-size: 24px;
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color: #228B22;
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}
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QPushButton#closeBtn:hover{
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background-color: #D1E9FF;
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}
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QPushButton#closeBtn:pressed{
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background-color: #BAE7FF;
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}
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QPushButton {
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background-color: #5396C1;
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color: #ffffff;
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border: 1px solid #000000;
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border-radius: 3px;
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font-size: 18px;
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width: 150px;
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height: 50px;
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}
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QPushButton:hover {
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background-color: #5396C1;
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}
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QPushButton:disabled {
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background-color: #7C828E;
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color: #606060;
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border-color: #808080;
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}
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)";
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this->setStyleSheet(styleSheet);
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} |