File indexing completed on 2024-04-21 09:34:45

 /***************************************************************************
  *   Copyright (C) 2004-2006 by David Saxton                               *
  *   david@bluehaze.org                                                    *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  ***************************************************************************/
 
 #include "itemdocument.h"
 #include "itemdocumentdata.h"
 #include "ktechlab.h"
 #include "richtexteditor.h"
 
 #include <KStandardGuiItem>
 #include <KTextEdit>
 #include <cmath>
 
 #include <QBitArray>
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QPushButton>
 #include <QTimer>
 #include <QVBoxLayout>
 
 #include <ktlconfig.h>
 #include <ktechlab_debug.h>
 
 const int minPrefixExp = -24;
 const int maxPrefixExp = 24;
 const int numPrefix = int((maxPrefixExp - minPrefixExp) / 3) + 1;
 const QString SIprefix[] = {"y", "z", "a", "f", "p", "n", QChar(0xB5), "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y"};
 
 Item::Item(ItemDocument *itemDocument, bool newItem, const QString &id)
     : // QObject(),
     KtlQCanvasPolygon(itemDocument ? itemDocument->canvas() : nullptr)
 {
     QString name(QString("Item-%1").arg(id));
     setObjectName(name.toLatin1().data());
     qCDebug(KTL_LOG) << " this=" << this;
 
     m_bDynamicContent = false;
     m_bIsRaised = false;
     m_bDoneCreation = false;
     p_parentItem = nullptr;
     b_deleted = false;
     p_itemDocument = itemDocument;
     m_baseZ = -1;
 
     if (p_itemDocument) {
         if (newItem)
             m_id = p_itemDocument->generateUID(id);
         else {
             m_id = id;
             p_itemDocument->registerUID(id);
         }
     }
 
     m_pPropertyChangedTimer = new QTimer(this);
     connect(m_pPropertyChangedTimer, &QTimer::timeout, this, &Item::dataChanged);
 }
 
 Item::~Item()
 {
     if (p_itemDocument) {
         p_itemDocument->requestEvent(ItemDocument::ItemDocumentEvent::ResizeCanvasToItems);
         p_itemDocument->unregisterUID(id());
     }
 
     KtlQCanvasPolygon::hide();
 
     qDeleteAll(m_variantData);
     m_variantData.clear();
 }
 
 void Item::removeItem()
 {
     if (b_deleted)
         return;
     b_deleted = true;
 
     hide();
     setCanvas(nullptr);
     emit removed(this);
     p_itemDocument->appendDeleteList(this);
 }
 
 QFont Item::font() const
 {
     if (KTechlab::self())
         return KTechlab::self()->itemFont();
     else
         return QFont();
 }
 
 void Item::moveBy(double dx, double dy)
 {
     KtlQCanvasPolygon::moveBy(dx, dy);
     emit movedBy(dx, dy);
 }
 
 void Item::setChanged()
 {
     if (b_deleted)
         return;
 
     if (canvas())
         canvas()->setChanged(boundingRect());
 }
 
 void Item::setItemPoints(const QPolygon &pa, bool setSizeFromPoints)
 {
     m_itemPoints = pa;
     if (setSizeFromPoints)
         setSize(m_itemPoints.boundingRect());
     itemPointsChanged();
 }
 
 void Item::itemPointsChanged()
 {
     setPoints(m_itemPoints);
 }
 
 void Item::setSize(QRect sizeRect, bool forceItemPoints)
 {
     if (!canvas())
         return;
 
     if (m_sizeRect == sizeRect && !forceItemPoints)
         return;
 
     if (!preResize(sizeRect))
         return;
 
     canvas()->setChanged(areaPoints().boundingRect());
     m_sizeRect = sizeRect;
     if (m_itemPoints.isEmpty() || forceItemPoints) {
         setItemPoints(QPolygon(m_sizeRect), false);
     }
     canvas()->setChanged(areaPoints().boundingRect());
     postResize();
     emit resized();
 }
 
 ItemData Item::itemData() const
 {
     ItemData itemData;
 
     itemData.type = m_type;
     itemData.x = x();
     itemData.y = y();
 
     if (!parentItem())
         itemData.z = m_baseZ;
 
     itemData.size = m_sizeRect;
     itemData.setSize = canResize();
 
     if (p_parentItem)
         itemData.parentId = p_parentItem->id();
 
     const VariantDataMap::const_iterator end = m_variantData.end();
     for (VariantDataMap::const_iterator it = m_variantData.begin(); it != end; ++it) {
         switch (it.value()->type()) {
         case Variant::Type::String:
         case Variant::Type::FileName:
         case Variant::Type::Port:
         case Variant::Type::Pin:
         case Variant::Type::VarName:
         case Variant::Type::Combo:
         case Variant::Type::Select:
         case Variant::Type::Multiline:
         case Variant::Type::RichText:
         case Variant::Type::SevenSegment:
         case Variant::Type::KeyPad: {
             itemData.dataString[it.key()] = it.value()->value().toString();
             break;
         }
         case Variant::Type::Int:
         case Variant::Type::Double: {
             itemData.dataNumber[it.key()] = it.value()->value().toDouble();
             break;
         }
         case Variant::Type::Color: {
             itemData.dataColor[it.key()] = it.value()->value().value<QColor>();
             break;
         }
         case Variant::Type::Bool: {
             itemData.dataBool[it.key()] = it.value()->value().toBool();
             break;
         }
         case Variant::Type::Raw: {
             itemData.dataRaw[it.key()] = it.value()->value().toBitArray();
             break;
         }
         case Variant::Type::PenStyle:
         case Variant::Type::PenCapStyle: {
             // These types are only created from DrawPart, and that class
             // deals with these, so we can ignore them
             break;
         }
         case Variant::Type::None: {
             // ? Maybe obsoleted data...
             break;
         }
         }
     }
 
     return itemData;
 }
 
 void Item::restoreFromItemData(const ItemData &itemData)
 {
     move(itemData.x, itemData.y);
     if (canResize())
         setSize(itemData.size);
 
     Item *parentItem = p_itemDocument->itemWithID(itemData.parentId);
     if (parentItem)
         setParentItem(parentItem);
     else
         m_baseZ = itemData.z;
 
     // BEGIN Restore data
     const QStringMap::const_iterator stringEnd = itemData.dataString.end();
     for (QStringMap::const_iterator it = itemData.dataString.begin(); it != stringEnd; ++it) {
         if (hasProperty(it.key()))
             property(it.key())->setValue(it.value());
     }
 
     const DoubleMap::const_iterator numberEnd = itemData.dataNumber.end();
     for (DoubleMap::const_iterator it = itemData.dataNumber.begin(); it != numberEnd; ++it) {
         if (hasProperty(it.key()))
             property(it.key())->setValue(it.value());
     }
 
     const QColorMap::const_iterator colorEnd = itemData.dataColor.end();
     for (QColorMap::const_iterator it = itemData.dataColor.begin(); it != colorEnd; ++it) {
         if (hasProperty(it.key()))
             property(it.key())->setValue(it.value());
     }
 
     const BoolMap::const_iterator boolEnd = itemData.dataBool.end();
     for (BoolMap::const_iterator it = itemData.dataBool.begin(); it != boolEnd; ++it) {
         if (hasProperty(it.key()))
             property(it.key())->setValue(QVariant(it.value() /*, 0*/));
     }
 
     const QBitArrayMap::const_iterator rawEnd = itemData.dataRaw.end();
     for (QBitArrayMap::const_iterator it = itemData.dataRaw.begin(); it != rawEnd; ++it) {
         if (hasProperty(it.key()))
             property(it.key())->setValue(it.value());
     }
     // END Restore Data
 }
 
 bool Item::mousePressEvent(const EventInfo &eventInfo)
 {
     Q_UNUSED(eventInfo);
     return false;
 }
 bool Item::mouseReleaseEvent(const EventInfo &eventInfo)
 {
     Q_UNUSED(eventInfo);
     return false;
 }
 bool Item::mouseMoveEvent(const EventInfo &eventInfo)
 {
     Q_UNUSED(eventInfo);
     return false;
 }
 bool Item::wheelEvent(const EventInfo &eventInfo)
 {
     Q_UNUSED(eventInfo);
     return false;
 }
 void Item::enterEvent(QEvent *)
 {
 }
 void Item::leaveEvent(QEvent *)
 {
 }
 
 bool Item::mouseDoubleClickEvent(const EventInfo &eventInfo)
 {
     Q_UNUSED(eventInfo);
 
     Property *property = nullptr;
     Variant::Type::Value type = Variant::Type::None;
 
     const VariantDataMap::iterator variantDataEnd = m_variantData.end();
     for (VariantDataMap::iterator it = m_variantData.begin(); it != variantDataEnd; ++it) {
         Property *current = *it;
 
         if (current->type() == Variant::Type::Multiline || current->type() == Variant::Type::RichText) {
             property = current;
             type = current->type();
             break;
         }
     }
     if (!property)
         return false;
 
     if (type == Variant::Type::Multiline) {
         QDialog *dlg = new QDialog(nullptr);
         dlg->setModal(true);
         dlg->setWindowTitle(property->editorCaption());
         QVBoxLayout *mainLayout = new QVBoxLayout;
         dlg->setLayout(mainLayout);
 
         // QFrame *frame = dlg->makeMainWidget();
         QFrame *frame = new QFrame(dlg);
         mainLayout->addWidget(frame);
         QVBoxLayout *layout = new QVBoxLayout(frame);
         layout->setMargin(0);
         KTextEdit *textEdit = new KTextEdit(frame);
         // textEdit->setTextFormat( Qt::PlainText ); // 2018.12.02
         textEdit->setAcceptRichText(false);
         textEdit->setText(property->value().toString());
         layout->addWidget(textEdit, 10);
         textEdit->setFocus();
         QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
         QPushButton *clearButton = new QPushButton(buttonBox);
         KGuiItem::assign(clearButton, KStandardGuiItem::clear());
         buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole);
         mainLayout->addWidget(buttonBox);
         QPushButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
         okButton->setDefault(true);
         okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
         connect(buttonBox, &QDialogButtonBox::accepted, dlg, &QDialog::accept);
         connect(buttonBox, &QDialogButtonBox::rejected, dlg, &QDialog::reject);
         connect(clearButton, &QPushButton::clicked, textEdit, &KTextEdit::clear);
         dlg->setMinimumWidth(600);
 
         if (dlg->exec() == QDialog::Accepted) {
             property->setValue(textEdit->toPlainText());
             dataChanged();
             p_itemDocument->setModified(true);
         }
         delete dlg;
     } else {
         // Is rich text
         RichTextEditorDlg *dlg = new RichTextEditorDlg(nullptr, property->editorCaption());
         dlg->setText(property->value().toString());
 
         if (dlg->exec() == QDialog::Accepted) {
             property->setValue(dlg->text());
             dataChanged();
             p_itemDocument->setModified(true);
         }
         delete dlg;
     }
 
     return true;
 }
 
 void Item::setSelected(bool yes)
 {
     if (isSelected() == yes)
         return;
     KtlQCanvasPolygon::setSelected(yes);
     emit selectionChanged();
 }
 
 void Item::setParentItem(Item *newParentItem)
 {
     //  qCDebug(KTL_LOG) << "this = "<<this<<" newParentItem = "<<newParentItem;
     if (newParentItem == p_parentItem)
         return;
 
     Item *oldParentItem = p_parentItem;
 
     if (oldParentItem) {
         disconnect(oldParentItem, &Item::removed, this, &Item::removeItem);
         oldParentItem->removeChild(this);
     }
 
     if (newParentItem) {
         if (newParentItem->contains(this))
             ;
         //          qCCritical(KTL_LOG) << "Already a child of " << newParentItem;
         else {
             connect(newParentItem, &Item::removed, this, &Item::removeItem);
             newParentItem->addChild(this);
         }
     }
 
     p_parentItem = newParentItem;
     (void)level();
     reparented(oldParentItem, newParentItem);
     p_itemDocument->slotUpdateZOrdering();
 }
 
 int Item::level() const
 {
     return p_parentItem ? p_parentItem->level() + 1 : 0;
 }
 
 ItemList Item::children(bool includeGrandChildren) const
 {
     if (!includeGrandChildren)
         return m_children;
 
     ItemList children = m_children;
     ItemList::const_iterator end = m_children.end();
     for (ItemList::const_iterator it = m_children.begin(); it != end; ++it) {
         if (!*it)
             continue;
 
         children += (*it)->children(true);
     }
 
     return children;
 }
 
 void Item::addChild(Item *child)
 {
     if (!child)
         return;
 
     if (child->contains(this)) {
         //      qCCritical(KTL_LOG) << "Attempting to add a child to this item that is already a parent of this item. Incest results in stack overflow.";
         return;
     }
 
     if (contains(child, true)) {
         //      qCCritical(KTL_LOG) << "Already have child " << child;
         return;
     }
 
     m_children.append(child);
     connect(child, &Item::removed, this, &Item::removeChild);
 
     child->setParentItem(this);
     childAdded(child);
     p_itemDocument->slotUpdateZOrdering();
 }
 
 void Item::removeChild(Item *child)
 {
     if (!child || !m_children.contains(child))
         return;
 
     m_children.removeAll(child);
     disconnect(child, &Item::removed, this, &Item::removeChild);
 
     childRemoved(child);
     p_itemDocument->slotUpdateZOrdering();
 }
 
 bool Item::contains(Item *item, bool direct) const
 {
     const ItemList::const_iterator end = m_children.end();
     for (ItemList::const_iterator it = m_children.begin(); it != end; ++it) {
         if (static_cast<Item *>(*it) == item || (!direct && (*it)->contains(item, false)))
             return true;
     }
     return false;
 }
 
 void Item::setRaised(bool isRaised)
 {
     m_bIsRaised = isRaised;
     // We'll get called later to update our Z
 }
 
 void Item::updateZ(int baseZ)
 {
     m_baseZ = baseZ;
     double z = ItemDocument::Z::Item + (ItemDocument::Z::DeltaItem)*baseZ;
 
     if (isRaised())
         z += ItemDocument::Z::RaisedItem - ItemDocument::Z::Item;
 
     setZ(z);
 
     const ItemList::const_iterator end = m_children.end();
     for (ItemList::const_iterator it = m_children.begin(); it != end; ++it) {
         if (*it)
             (*it)->updateZ(baseZ + 1);
     }
 }
 
 int Item::getNumberPre(double num)
 {
     return int(num / getMultiplier(num));
 }
 
 QString Item::getNumberMag(double num)
 {
     if (num == 0.)
         return "";
     const double exp_n = std::log10(std::abs(num));
     if (exp_n < minPrefixExp + 3)
         return SIprefix[0];
     else if (exp_n >= maxPrefixExp)
         return SIprefix[numPrefix - 1];
     else
         return SIprefix[int(std::floor(double(exp_n / 3))) - int(floor(double(minPrefixExp / 3)))];
 }
 
 double Item::getMultiplier(double num)
 {
     if (num == 0.)
         return 1.;
     else
         return std::pow(10, 3 * std::floor(std::log10(std::abs(num)) / 3));
 }
 
 double Item::getMultiplier(const QString &_mag)
 {
     QString mag;
     // Allow the user to enter in "u" instead of mu, as unfortunately many keyboards don't have the mu key
     if (_mag == "u")
         mag = QChar(0xB5);
     else
         mag = _mag;
 
     for (int i = 0; i < numPrefix; ++i) {
         if (mag == SIprefix[i]) {
             return std::pow(10., (i * 3) + minPrefixExp);
         }
     }
 
     // I think it is safer to return '1' if the unit is unknown
     return 1.;
     //  return pow( 10., maxPrefixExp+3. );
 }
 
 // BEGIN Data stuff
 double Item::dataDouble(const QString &id) const
 {
     Variant *variant = property(id);
     return variant ? variant->value().toDouble() : 0.0;
 }
 
 int Item::dataInt(const QString &id) const
 {
     Variant *variant = property(id);
     return variant ? variant->value().toInt() : 0;
 }
 
 bool Item::dataBool(const QString &id) const
 {
     Variant *variant = property(id);
     return variant ? variant->value().toBool() : false;
 }
 
 QString Item::dataString(const QString &id) const
 {
     Variant *variant = property(id);
     return variant ? variant->value().toString() : QString();
 }
 
 QColor Item::dataColor(const QString &id) const
 {
     Variant *variant = property(id);
     return variant ? variant->value().value<QColor>() : Qt::black;
 }
 
 Variant *Item::createProperty(const QString &id, Variant::Type::Value type)
 {
     if (!m_variantData.contains(id)) {
         m_variantData[id] = new Variant(id, type);
         connect(m_variantData[id], qOverload<QVariant, QVariant>(&Variant::valueChanged), this, &Item::propertyChangedInitial);
     }
 
     return m_variantData[id];
 }
 
 Variant *Item::property(const QString &id) const
 {
     if (m_variantData.contains(id))
         return m_variantData[id];
 
     qCCritical(KTL_LOG) << " No such property with id " << id;
     return nullptr;
 }
 
 bool Item::hasProperty(const QString &id) const
 {
     return m_variantData.contains(id);
 }
 
 void Item::finishedCreation()
 {
     m_bDoneCreation = true;
     dataChanged();
 }
 
 void Item::propertyChangedInitial()
 {
     if (!m_bDoneCreation)
         return;
 
     m_pPropertyChangedTimer->setSingleShot(true);
     m_pPropertyChangedTimer->start(0 /*, true */);
 }
 // END Data stuff
 
 #include "moc_item.cpp"