116 lines
No EOL
4.3 KiB
C++
116 lines
No EOL
4.3 KiB
C++
#include "explorerview.h"
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#include "common.h"
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#include "../ui_mainwindow.h"
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#include "mainwindow.h"
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#include "objects/base/instance.h"
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#include "objects/meta.h"
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#include "objects/script.h"
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#include <memory>
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#include <qaction.h>
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#include <qtreeview.h>
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#define M_mainWindow dynamic_cast<MainWindow*>(window())
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ExplorerView::ExplorerView(QWidget* parent):
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QTreeView(parent),
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model(ExplorerModel(std::dynamic_pointer_cast<Instance>(gDataModel))),
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contextMenu(this) {
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this->setModel(&model);
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// Disabling the root decoration will cause the expand/collapse chevrons to be hidden too, we don't want that
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// https://stackoverflow.com/a/4687016/16255372
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// this->setRootIsDecorated(false);
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// The branches can be customized like this if you want:
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// this->setStyleSheet(QString("QTreeView::branch { border: none; }"));
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this->setDragDropMode(QAbstractItemView::InternalMove);
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this->setSelectionMode(QAbstractItemView::ExtendedSelection);
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this->setDragEnabled(true);
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this->setAcceptDrops(true);
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this->setDropIndicatorShown(true);
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this->setContextMenuPolicy(Qt::CustomContextMenu);
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// Expand workspace
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this->expand(model.ObjectToIndex(gWorkspace()));
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connect(this, &QTreeView::customContextMenuRequested, this, [&](const QPoint& point) {
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contextMenu.exec(this->viewport()->mapToGlobal(point));
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});
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connect(selectionModel(), &QItemSelectionModel::selectionChanged, this, [&](const QItemSelection &selected, const QItemSelection &deselected) {
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std::vector<std::shared_ptr<Instance>> selectedInstances;
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selectedInstances.reserve(selectedIndexes().count()); // This doesn't reserve everything, but should enhance things anyway
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for (auto index : selectedIndexes()) {
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selectedInstances.push_back(reinterpret_cast<Instance*>(index.internalPointer())->shared_from_this());
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}
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::setSelection(selectedInstances, true);
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});
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addSelectionListener([&](auto oldSelection, auto newSelection, bool fromExplorer) {
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// It's from us, ignore it.
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if (fromExplorer) return;
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this->clearSelection();
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for (std::weak_ptr<Instance> inst : newSelection) {
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if (inst.expired()) continue;
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QModelIndex index = this->model.ObjectToIndex(inst.lock());
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this->selectionModel()->select(index, QItemSelectionModel::SelectionFlag::Select);
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}
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});
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}
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ExplorerView::~ExplorerView() {
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}
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void ExplorerView::keyPressEvent(QKeyEvent* event) {
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switch (event->key()) {
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case Qt::Key_Delete:
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M_mainWindow->ui->actionDelete->trigger();
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break;
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}
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}
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void ExplorerView::mouseDoubleClickEvent(QMouseEvent *event) {
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QModelIndex index = indexAt(event->pos());
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std::shared_ptr<Instance> inst = model.fromIndex(index);
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if (!inst->IsA<Script>()) return QTreeView::mouseDoubleClickEvent(event);
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MainWindow* mainWnd = dynamic_cast<MainWindow*>(window());
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mainWnd->openScriptDocument(inst->CastTo<Script>().expect());
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QTreeView::mouseDoubleClickEvent(event);
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}
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void ExplorerView::buildContextMenu() {
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contextMenu.addAction(M_mainWindow->ui->actionDelete);
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contextMenu.addSeparator();
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contextMenu.addAction(M_mainWindow->ui->actionCopy);
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contextMenu.addAction(M_mainWindow->ui->actionCut);
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contextMenu.addAction(M_mainWindow->ui->actionPaste);
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contextMenu.addAction(M_mainWindow->ui->actionPasteInto);
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contextMenu.addSeparator();
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contextMenu.addAction(M_mainWindow->ui->actionSaveModel);
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contextMenu.addAction(M_mainWindow->ui->actionInsertModel);
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// Insert Object menu
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QMenu* insertObjectMenu = new QMenu("Insert Object");
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contextMenu.addMenu(insertObjectMenu);
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for (const auto& [_, type] : INSTANCE_MAP) {
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if (type->flags & INSTANCE_NOTCREATABLE || !type->constructor) continue;
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QAction* instAction = new QAction(model.iconOf(type), QString::fromStdString(type->className));
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insertObjectMenu->addAction(instAction);
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connect(instAction, &QAction::triggered, this, [&]() {
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if (getSelection().size() == 0) return;
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std::shared_ptr<Instance> instParent = getSelection()[0];
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std::shared_ptr<Instance> newInst = type->constructor();
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newInst->SetParent(instParent);
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});
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}
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}
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void ExplorerView::updateRoot(std::shared_ptr<Instance> newRoot) {
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model.updateRoot(newRoot);
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} |