QFilePathWidget.cpp

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#include "QFilePathWidget.h"
 
#include "Field.h"
#include "FilePath.h"
 
#include <QHBoxLayout>
#include <QFileDialog>
#include <QMessageBox>
 
namespace dyno
{
    IMPL_FIELD_WIDGET(std::string, QStringFieldWidget)
    IMPL_FIELD_WIDGET(FilePath, QFilePathWidget)
 
    QStringFieldWidget::QStringFieldWidget(FBase* field)
        : QFieldWidget(field)
    {
        FVar<std::string>* f = TypeInfo::cast<FVar<std::string>>(field);
 
        //this->setStyleSheet("border:none");
        QHBoxLayout* layout = new QHBoxLayout;
        layout->setContentsMargins(0, 0, 0, 0);
        layout->setSpacing(0);
 
        this->setLayout(layout);
 
        //Label
        QLabel* name = new QLabel();
        QString str = FormatFieldWidgetName(field->getObjectName());
        name->setFixedSize(100, 18);
        QFontMetrics fontMetrics(name->font());
        QString elide = fontMetrics.elidedText(str, Qt::ElideRight, 100);
        name->setText(elide);
        //Set label tips
        name->setToolTip(str);
 
        fieldname = new QLineEdit;
        fieldname->setText(QString::fromStdString(f->getValue()));
 
        layout->addWidget(name, 0);
        layout->addWidget(fieldname, 1);
        layout->setSpacing(3);
 
        connect(fieldname, &QLineEdit::textChanged, this, &QStringFieldWidget::updateField);
    }
 
    void QStringFieldWidget::updateField(QString str)
    {
        auto f = TypeInfo::cast<FVar<std::string>>(field());
        if (f == nullptr)
        {
            return;
        }
        f->setValue(str.toStdString());
        f->update();
    }
 
    QFilePathWidget::QFilePathWidget(FBase* field)
        : QFieldWidget(field)
    {
        FVar<FilePath>* f = TypeInfo::cast<FVar<FilePath>>(field);
 
        //this->setStyleSheet("border:none");
        QHBoxLayout* layout = new QHBoxLayout;
        layout->setContentsMargins(0, 0, 0, 0);
        layout->setSpacing(0);
 
        this->setLayout(layout);
 
        //Label
        QLabel* name = new QLabel();
        QString str = FormatFieldWidgetName(field->getObjectName());
        name->setFixedSize(100, 18);
        QFontMetrics fontMetrics(name->font());
        QString elide = fontMetrics.elidedText(str, Qt::ElideRight, 100);
        name->setText(elide);
        //Set label tips
        name->setToolTip(str);
 
        location = new QLineEdit;
        location->setText(QString::fromStdString(f->getValue().string()));
 
        QPushButton* open = new QPushButton("Open");
//      open->setStyleSheet("QPushButton{color: black;   border-radius: 10px;  border: 1px groove black;background-color:white; }"
//                          "QPushButton:hover{background-color:white; color: black;}"  
//                          "QPushButton:pressed{background-color:rgb(85, 170, 255); border-style: inset; }" );
        open->setFixedSize(60, 24);
 
        layout->addWidget(name, 0);
        layout->addWidget(location, 1);
        layout->addWidget(open, 2);
        layout->setSpacing(3);
 
        connect(location, &QLineEdit::textChanged, this, &QFilePathWidget::updateField);
 
        connect(open, &QPushButton::clicked, this, [=]() {
 
            bool bPath = f->constDataPtr()->is_path();
            if (bPath)
            {
                QString path = QFileDialog::getExistingDirectory(this, tr("Open File"), QString::fromStdString(getAssetPath()), QFileDialog::ReadOnly);
                if (!path.isEmpty()) {
                    //Windows: "\\"; Linux: "/"
                    path = QDir::toNativeSeparators(path);
                    location->setText(path);
                }
                else
                    QMessageBox::warning(this, tr("Path"), tr("You do not select any path."));
            }
            else
            {
                QString path = QFileDialog::getOpenFileName(this, tr("Open File"), QString::fromStdString(getAssetPath()), tr("Text Files(*.*)"));
                if (!path.isEmpty()) {
                    //Windows: "\\"; Linux: "/"
                    path = QDir::toNativeSeparators(path);
                    QFile file(path);
                    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
                        QMessageBox::warning(this, tr("Read File"),
                            tr("Cannot open file:\n%1").arg(path));
                        return;
                    }
                    location->setText(path);
                    file.close();
                }
                else {
                    QMessageBox::warning(this, tr("Path"), tr("You do not select any file."));
                }
            }
        });
    }
 
    void QFilePathWidget::updateField(QString str)
    {
        auto f = TypeInfo::cast<FVar<FilePath>>(field());
        if (f == nullptr)
        {
            return;
        }
 
        auto path = f->getValue();
 
        path.set_path(str.toStdString());
 
        f->setValue(path);
        f->update();
 
        emit fieldChanged();
    }
}