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makro
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Kellermorph
260
sources/diagramevent/diagrameventaddmacro.cpp
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260
sources/diagramevent/diagrameventaddmacro.cpp
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/*
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* Copyright 2006-2026 The QElectroTech Team
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* This file is part of QElectroTech.
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*/
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#include "diagrameventaddmacro.h"
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#include "../diagram.h"
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#include "../qetapp.h"
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#include "../qetdiagrameditor.h"
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#include "../qetproject.h"
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#include "../ElementsCollection/xmlelementcollection.h"
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#include "../nameslist.h"
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#include "../diagramcommands.h"
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#include "../diagramcontent.h"
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#include <QFile>
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#include <QDebug>
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#include <QGraphicsSceneMouseEvent>
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#include <QStatusBar>
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#include <QPainter>
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DiagramEventAddMacro::DiagramEventAddMacro(const ElementsLocation &location, Diagram *diagram, QPointF pos) :
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DiagramEventInterface(diagram),
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m_location(location),
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m_preview_item(nullptr)
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{
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if (loadMacro()) {
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init();
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QScopedPointer<QETProject> dummy_project(new QETProject());
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QDomElement root = m_macro_doc.documentElement();
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QDomElement collection_node = root.firstChildElement("collection");
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if (!collection_node.isNull()) {
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QDomNodeList elements = collection_node.elementsByTagName("element");
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for (int i = 0; i < elements.count(); ++i) {
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QDomElement elmt_node = elements.at(i).toElement();
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QString path = elmt_node.attribute("path");
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QDomElement definition = elmt_node.firstChildElement("definition");
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if (!path.isEmpty() && !definition.isNull()) {
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int last_slash = path.lastIndexOf('/');
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QString dir_path = (last_slash != -1) ? path.left(last_slash) : "";
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QString file_name = (last_slash != -1) ? path.mid(last_slash + 1) : path;
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if (!dir_path.isEmpty()) {
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#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
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QStringList parts = dir_path.split('/', QString::SkipEmptyParts);
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#else
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QStringList parts = dir_path.split('/', Qt::SkipEmptyParts);
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#endif
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QString current_path = "";
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for (const QString &part : parts) {
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QString parent_path = current_path;
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if (!current_path.isEmpty()) current_path += "/";
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current_path += part;
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if (current_path == "import") continue;
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NamesList empty_names;
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dummy_project->embeddedElementCollection()->createDir(parent_path, part, empty_names);
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}
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}
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dummy_project->embeddedElementCollection()->addElementDefinition(dir_path, file_name, definition);
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}
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}
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}
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Diagram *dummy_diagram = dummy_project->addNewDiagram();
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QDomElement diagram_node = root.firstChildElement("diagram_content").firstChildElement("diagram");
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if (!diagram_node.isNull()) {
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dummy_diagram->fromXml(diagram_node, QPointF(0, 0), false, nullptr);
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QRectF scene_rect = dummy_diagram->itemsBoundingRect();
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if (!scene_rect.isEmpty()) {
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QPixmap pixmap(scene_rect.toAlignedRect().size());
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pixmap.fill(Qt::transparent);
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QPainter painter(&pixmap);
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painter.setRenderHint(QPainter::Antialiasing);
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dummy_diagram->render(&painter, QRectF(QPointF(0,0), scene_rect.size()), scene_rect);
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m_preview_item = new QGraphicsPixmapItem(pixmap);
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m_preview_item->setOffset(scene_rect.topLeft());
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}
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}
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if (m_preview_item) {
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m_preview_item->setPos(Diagram::snapToGrid(pos));
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m_preview_item->setOpacity(0.6);
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m_diagram->addItem(m_preview_item);
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m_running = true;
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}
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if (!diagram->views().isEmpty()) {
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const auto qde = QETApp::diagramEditorAncestorOf(diagram->views().at(0));
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if (qde) {
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m_status_bar = qde->statusBar();
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}
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} else {
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m_status_bar.clear();
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}
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}
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}
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DiagramEventAddMacro::~DiagramEventAddMacro()
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{
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if (m_preview_item) {
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m_diagram->removeItem(m_preview_item);
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delete m_preview_item;
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}
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if (m_status_bar) {
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m_status_bar->clearMessage();
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}
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for (auto view : m_diagram->views())
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view->setContextMenuPolicy(Qt::DefaultContextMenu);
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}
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void DiagramEventAddMacro::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if (m_preview_item) {
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const auto pos_{Diagram::snapToGrid(event->scenePos())};
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m_preview_item->setPos(pos_);
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if (m_status_bar) {
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m_status_bar->showMessage(QString("x %1 : y %2 (Makro-Anker)").arg(QString::number(pos_.x()), QString::number(pos_.y())));
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}
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}
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event->setAccepted(true);
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}
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void DiagramEventAddMacro::mousePressEvent(QGraphicsSceneMouseEvent *event) {
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event->setAccepted(true);
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}
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void DiagramEventAddMacro::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (m_preview_item) {
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if (event->button() == Qt::RightButton) {
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m_diagram->removeItem(m_preview_item);
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delete m_preview_item;
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m_preview_item = nullptr;
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m_running = false;
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emit finish();
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}
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else if (event->button() == Qt::LeftButton) {
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addMacro(Diagram::snapToGrid(event->scenePos()));
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}
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}
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event->setAccepted(true);
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}
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void DiagramEventAddMacro::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
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{
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if (m_preview_item && (event->button() == Qt::LeftButton)) {
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m_diagram->removeItem(m_preview_item);
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delete m_preview_item;
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m_preview_item = nullptr;
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m_running = false;
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emit finish();
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}
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event->setAccepted(true);
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}
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void DiagramEventAddMacro::keyPressEvent(QKeyEvent *event)
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{
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DiagramEventInterface::keyPressEvent(event);
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}
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void DiagramEventAddMacro::init()
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{
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foreach(QGraphicsView *view, m_diagram->views())
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view->setContextMenuPolicy(Qt::NoContextMenu);
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}
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bool DiagramEventAddMacro::loadMacro()
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{
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QFile file(m_location.fileSystemPath());
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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qDebug() << "Error: Macro file could not be read:" << m_location.fileSystemPath();
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return false;
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}
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if (!m_macro_doc.setContent(&file)) {
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qDebug() << "Error: Invalid XML in macro.";
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return false;
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}
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QDomElement root = m_macro_doc.documentElement();
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if (root.tagName() != "qet_macro") return false;
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QDomElement collection_node = root.firstChildElement("collection");
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if (!collection_node.isNull()) {
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QDomNodeList elements = collection_node.elementsByTagName("element");
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for (int i = 0; i < elements.count(); ++i) {
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QDomElement elmt_node = elements.at(i).toElement();
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QString path = elmt_node.attribute("path");
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QDomElement definition = elmt_node.firstChildElement("definition");
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if (!path.isEmpty() && !definition.isNull()) {
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int last_slash = path.lastIndexOf('/');
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QString dir_path = (last_slash != -1) ? path.left(last_slash) : "";
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QString file_name = (last_slash != -1) ? path.mid(last_slash + 1) : path;
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if (!dir_path.isEmpty()) {
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#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
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QStringList parts = dir_path.split('/', QString::SkipEmptyParts);
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#else
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QStringList parts = dir_path.split('/', Qt::SkipEmptyParts);
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#endif
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QString current_path = "";
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for (const QString &part : parts) {
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QString parent_path = current_path;
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if (!current_path.isEmpty()) current_path += "/";
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current_path += part;
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if (current_path == "import") continue;
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NamesList empty_names;
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m_diagram->project()->embeddedElementCollection()->createDir(parent_path, part, empty_names);
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}
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}
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m_diagram->project()->embeddedElementCollection()->addElementDefinition(dir_path, file_name, definition);
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}
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}
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}
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QDomElement diagram_node = root.firstChildElement("diagram_content").firstChildElement("diagram");
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if (!diagram_node.isNull()) {
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QDomNodeList instances = diagram_node.elementsByTagName("element");
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for (int i = 0; i < instances.count(); ++i) {
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QDomElement inst = instances.at(i).toElement();
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QString type = inst.attribute("type");
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if (type.startsWith("macro://")) {
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inst.setAttribute("type", type.replace("macro://", "embed://"));
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}
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}
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}
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return true;
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}
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void DiagramEventAddMacro::addMacro(QPointF final_pos)
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{
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QDomElement root = m_macro_doc.documentElement();
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QDomElement diagram_node = root.firstChildElement("diagram_content").firstChildElement("diagram");
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if (!diagram_node.isNull()) {
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QDomElement cloned_node = diagram_node.cloneNode(true).toElement();
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QPointF target_pos = final_pos;
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if (m_preview_item) {
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target_pos += m_preview_item->offset();
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}
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DiagramContent pasted_content;
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m_diagram->fromXml(cloned_node, target_pos, false, &pasted_content);
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m_diagram->refreshContents();
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m_diagram->undoStack().push(new PasteDiagramCommand(m_diagram, pasted_content));
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}
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}
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