113 lines
4.4 KiB
C++
113 lines
4.4 KiB
C++
#include "ExportDatasetDialog.hpp"
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#include <utility>
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#include <QComboBox>
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#include <QDialogButtonBox>
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#include <QFormLayout>
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#include <QJsonArray>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QLabel>
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#include <QMessageBox>
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#include <QPushButton>
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#include "FormKit.hpp"
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#include "Theme.hpp"
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#include "api/NavLoads.hpp"
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#include "api/NavRequest.hpp"
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#include "repo/IAsyncProjectRepository.hpp"
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namespace geopro::app {
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ExportDatasetDialog::ExportDatasetDialog(geopro::data::IAsyncProjectRepository& repo,
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QString dsObjectId, QString tmTypeBaseConfId,
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QWidget* parent)
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: QDialog(parent), repo_(repo), dsObjectId_(std::move(dsObjectId)),
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tmTypeBaseConfId_(std::move(tmTypeBaseConfId)) {
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setModal(true);
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setWindowTitle(QStringLiteral("导出数据集"));
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setMinimumWidth(geopro::app::scaledPx(400));
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auto* root = formkit::dialogRoot(this);
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auto* card = formkit::formCard(this);
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auto* cardLay = formkit::cardBody(card);
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auto* fl = formkit::makeEditForm();
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// 空态感知下拉：数据驱动（异步 loadTemplates），未选显占位、无数据弹「暂无数据」。
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templateCombo_ = formkit::comboBox(QStringLiteral("请选择导出模板"), this);
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formkit::capField(templateCombo_);
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fl->addRow(formkit::editLabel(QStringLiteral("导出模板")), templateCombo_);
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cardLay->addLayout(fl);
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status_ = new QLabel(QStringLiteral("加载模板…"), this);
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geopro::app::applyTokenizedStyleSheet(status_, QStringLiteral("color:{{text/disabled}};"));
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cardLay->addWidget(status_);
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root->addWidget(card);
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auto* buttons =
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formkit::addDialogButtons(root, this, QStringLiteral("导出"), QStringLiteral("取消"));
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// Ok 不直接 accept：需先 onConfirm 校验/异步导出，成功后才 accept。断开默认 accepted→accept。
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QObject::disconnect(buttons, &QDialogButtonBox::accepted, this, &QDialog::accept);
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okBtn_ = buttons->button(QDialogButtonBox::Ok);
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okBtn_->setDefault(true);
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okBtn_->setEnabled(false);
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QObject::connect(okBtn_, &QPushButton::clicked, this, &ExportDatasetDialog::onConfirm);
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loadTemplates();
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}
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ExportDatasetDialog::~ExportDatasetDialog() {
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// 析构时取消在途请求，避免回调命中已销毁的 this。
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if (tplReq_) tplReq_->abort();
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if (expReq_) expReq_->abort();
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}
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void ExportDatasetDialog::loadTemplates() {
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if (tplReq_) tplReq_->abort();
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tplReq_ = repo_.queryExportTemplatesAsync(tmTypeBaseConfId_.toStdString());
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QObject::connect(tplReq_, &geopro::data::NavRequest::done, this, [this](const QVariant& v) {
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templates_ = qvariant_cast<std::vector<geopro::data::ExportTemplate>>(v);
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if (templates_.empty()) {
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status_->setText(QStringLiteral("无可用导出模板"));
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return;
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}
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status_->setVisible(false);
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for (const auto& t : templates_)
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templateCombo_->addItem(QString::fromStdString(t.name), QString::fromStdString(t.id));
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okBtn_->setEnabled(true);
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});
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QObject::connect(tplReq_, &geopro::data::NavRequest::failed, this, [this](const QString& msg) {
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status_->setText(QStringLiteral("加载模板失败：%1").arg(msg));
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});
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}
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void ExportDatasetDialog::onConfirm() {
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const QString templateId = templateCombo_->currentData().toString();
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if (templateId.isEmpty()) {
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QMessageBox::warning(this, QStringLiteral("校验"), QStringLiteral("请选择导出模板"));
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return;
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}
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// 模板导出 body（spec §E.2）：{ dsObjectIdList:[该ds], templateId }。
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QJsonObject body{{QStringLiteral("dsObjectIdList"), QJsonArray{dsObjectId_}},
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{QStringLiteral("templateId"), templateId}};
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okBtn_->setEnabled(false);
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status_->setText(QStringLiteral("导出中…"));
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status_->setVisible(true);
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if (expReq_) expReq_->abort();
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expReq_ = repo_.exportDatasetAsync(QJsonDocument(body).toJson(QJsonDocument::Compact).toStdString());
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QObject::connect(expReq_, &geopro::data::NavRequest::done, this, [this](const QVariant&) {
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emit exported();
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accept();
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});
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QObject::connect(expReq_, &geopro::data::NavRequest::failed, this, [this](const QString& msg) {
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status_->setText(QStringLiteral("导出失败：%1").arg(msg));
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okBtn_->setEnabled(true);
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});
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}
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} // namespace geopro::app
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