159 lines
7.5 KiB
C++
159 lines
7.5 KiB
C++
#include "panels/columns/CategoryAnalysisTab.hpp"
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#include <QAbstractItemView>
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#include <QPointer>
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#include <QScrollArea>
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#include <QScrollBar>
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#include <QTimer>
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#include <QTreeWidget>
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#include <QVBoxLayout>
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#include "Theme.hpp"
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#include "panels/columns/CategorySection.hpp"
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namespace geopro::app {
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CategoryAnalysisTab::CategoryAnalysisTab(geopro::data::DatasetFieldDictionary* dict, QWidget* parent)
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: QWidget(parent) {
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auto* outer = new QVBoxLayout(this);
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outer->setContentsMargins(0, 0, 0, 0);
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outer->setSpacing(0);
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auto* scroll = new QScrollArea(this);
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scroll_ = scroll;
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scroll->setWidgetResizable(true);
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scroll->setFrameShape(QFrame::NoFrame);
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scroll->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); // 内容随面板宽自适应，不出横向滚动条
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outer->addWidget(scroll, 1);
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auto* content = new QWidget(scroll);
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content_ = content;
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auto* col = new QVBoxLayout(content);
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col_ = col;
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col->setContentsMargins(0, space::kSm, 0, space::kSm); // 顶部留白：首段段头不贴顶
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col->setSpacing(space::kSm);
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for (const CategorySpec& spec : categoryConfigs()) {
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auto* sec = new CategorySection(spec, dict, content);
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sections_[spec.id] = sec;
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ordered_.push_back(sec);
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connect(sec, &CategorySection::collapsedChanged, this,
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&CategoryAnalysisTab::relayoutSections); // 折叠/展开 → 重排 stretch（向上收）
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const std::string segId = spec.id;
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connect(sec, &CategorySection::checkedDatasetsChanged, this,
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[this, segId](const QStringList& ids) {
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checkedBySeg_[segId] = ids;
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recomputeCheckedUnion();
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});
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connect(sec, &CategorySection::generateVolumeRequested, this,
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&CategoryAnalysisTab::generateVolumeRequested);
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connect(sec, &CategorySection::detailRequested, this, &CategoryAnalysisTab::detailRequested);
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connect(sec, &CategorySection::deleteDatasetRequested, this,
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&CategoryAnalysisTab::deleteDatasetRequested);
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connect(sec, &CategorySection::sliceRequested, this, &CategoryAnalysisTab::sliceRequested);
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connect(sec, &CategorySection::colorScaleRequested, this, &CategoryAnalysisTab::colorScaleRequested);
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connect(sec, &CategorySection::sliceSaveRequested, this, &CategoryAnalysisTab::sliceSaveRequested);
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connect(sec, &CategorySection::sliceSaveAsRequested, this, &CategoryAnalysisTab::sliceSaveAsRequested);
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connect(sec, &CategorySection::sliceExportImageRequested, this,
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&CategoryAnalysisTab::sliceExportImageRequested);
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connect(sec, &CategorySection::sliceExportDatRequested, this,
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&CategoryAnalysisTab::sliceExportDatRequested);
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connect(sec, &CategorySection::anomalyVisibilityChanged, this,
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&CategoryAnalysisTab::anomalyVisibilityChanged);
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connect(sec, &CategorySection::datasetSelected, this, &CategoryAnalysisTab::datasetSelected);
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// #7：各段等分 stretch → 内容都少时四段平分高度填满面板(初始与 VTK 区等高、不出滚动条)；
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// 某段内容增多时其最小高度(=内容总高)撑大，超出视口则由外层 QScrollArea 统一出纵向滚动条。
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col->addWidget(sec, 1);
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}
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// 尾部弹簧（末项）：默认 0；全部段折叠时由 relayoutSections 置 1，吸收余量把段头顶到顶部。
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col->addStretch(0);
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scroll->setWidget(content);
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}
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void CategoryAnalysisTab::relayoutSections() {
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if (!col_) return;
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int expanded = 0;
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for (auto* sec : ordered_)
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if (sec->isExpanded()) ++expanded;
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// 展开段 stretch=1（吸收余量、铺满）；折叠段 stretch=0（只占段头高，下方不再留空）。
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for (auto* sec : ordered_) col_->setStretchFactor(sec, sec->isExpanded() ? 1 : 0);
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// 尾部弹簧：仅当全部折叠时=1（把所有段头顶到顶部）；有任一展开段时=0（由展开段吸收余量）。
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col_->setStretch(col_->count() - 1, expanded == 0 ? 1 : 0);
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}
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void CategoryAnalysisTab::setBuckets(const CategoryBuckets& b) {
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const auto& cfg = categoryConfigs();
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for (std::size_t i = 0; i < cfg.size() && i < b.segments.size(); ++i) {
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// voxel(三维体) 段数据来自 mock voxelTree(体/切片/异常)，由调用方单独 section("voxel")->setDatasets
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// 注入；splitByCategory 对它永远是空桶，若在此用空桶覆盖会先清掉其勾选(随后重填但勾选已丢) →
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// 表现为「创建切片/异常后体/切片选择被清空」(用户 issue 1)。故跳过 voxel，勿覆盖。
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if (cfg[i].id == "voxel") continue;
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if (auto* sec = section(cfg[i].id)) sec->setDatasets(b.segments[i]);
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}
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}
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void CategoryAnalysisTab::setStructure(const std::vector<geopro::data::StructNode>& nodes) {
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for (auto& [id, sec] : sections_) sec->setStructure(nodes);
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}
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void CategoryAnalysisTab::refreshArrayFilters() {
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for (auto& [id, sec] : sections_) sec->refreshArrayFilter();
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}
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CategorySection* CategoryAnalysisTab::section(const std::string& id) const {
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const auto it = sections_.find(id);
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return it != sections_.end() ? it->second : nullptr;
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}
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// ds 归属唯一段未知 → 广播到各段，仅含该 ds 的段会命中生效（其余 no-op）。
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void CategoryAnalysisTab::setItemChecked(const QString& dsId, bool on) {
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for (auto* sec : ordered_) sec->setChecked(dsId, on);
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}
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void CategoryAnalysisTab::setItemBusy(const QString& dsId, bool busy) {
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for (auto* sec : ordered_) sec->setBusy(dsId, busy);
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}
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void CategoryAnalysisTab::clearAllBusy() {
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for (auto* sec : ordered_) sec->clearAllBusy();
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}
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void CategoryAnalysisTab::scrollItemToTop(const QString& dsId) {
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// 先就地展开所在段（同步），再进入多拍重试定位（等布局/滚动条范围结算）。
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for (auto* sec : ordered_)
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if (sec->itemFor(dsId)) { sec->ensureExpanded(); break; }
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scrollItemToTopRetry(dsId, /*attemptsLeft=*/5);
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}
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void CategoryAnalysisTab::scrollItemToTopRetry(const QString& dsId, int attemptsLeft) {
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if (!scroll_ || !content_) return;
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CategorySection* sec = nullptr;
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QTreeWidgetItem* item = nullptr;
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for (auto* s : ordered_)
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if ((item = s->itemFor(dsId)) != nullptr) { sec = s; break; }
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if (sec && item) {
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sec->ensureExpanded();
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for (QTreeWidgetItem* p = item->parent(); p; p = p->parent())
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p->setExpanded(true); // 展开树内父节点，使目标行有有效几何
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QTreeWidget* tree = sec->listWidget();
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tree->scrollToItem(item, QAbstractItemView::PositionAtTop); // 内层树（若有内滚动）
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// 行顶映射到滚动内容坐标 → 设外层滚动条把该行顶到面板最上方。
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const int y = tree->viewport()->mapTo(content_, tree->visualItemRect(item).topLeft()).y();
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scroll_->verticalScrollBar()->setValue(y);
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}
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// 多拍重试：每拍布局更趋稳定（滚动条 range 长够、行几何更新），末拍稳定到位 → 根治"有时滚不到位"。
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if (attemptsLeft > 0) {
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QPointer<CategoryAnalysisTab> self(this);
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const QString id = dsId;
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QTimer::singleShot(16, this, [self, id, attemptsLeft]() {
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if (self) self->scrollItemToTopRetry(id, attemptsLeft - 1);
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});
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}
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}
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void CategoryAnalysisTab::recomputeCheckedUnion() {
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QStringList all; // ds 归属唯一段，跨段不重复，直接拼接
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for (const auto& [id, ids] : checkedBySeg_) all += ids;
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emit checkedDatasetsChanged(all);
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}
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} // namespace geopro::app
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