119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
#include "./optioncategorymodel.h"
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#include "./optioncategory.h"
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#ifdef GUI_QTWIDGETS
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# include <QApplication>
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# include <QStyle>
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#endif
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namespace Dialogs {
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/*!
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* \class Dialogs::OptionCategoryModel
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* \brief The OptionCategoryModel class is used by SettingsDialog to store and display option categories.
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*/
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/*!
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* \brief Constructs an option category model.
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*/
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OptionCategoryModel::OptionCategoryModel(QObject *parent) :
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QAbstractListModel(parent)
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{}
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/*!
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* \brief Constructs an option category model with the specified \a categories.
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* \remarks The model takes ownership over the given categories.
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*/
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OptionCategoryModel::OptionCategoryModel(const QList<OptionCategory *> &categories, QObject *parent) :
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QAbstractListModel(parent),
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m_categories(categories)
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{
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for(OptionCategory *category : m_categories) {
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category->setParent(this);
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}
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}
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/*!
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* \brief Destroys the option category model.
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*/
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OptionCategoryModel::~OptionCategoryModel()
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{}
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/*!
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* \brief Sets the \a categories for the model.
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*
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* The model takes ownership over the given \a categories.
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*/
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void OptionCategoryModel::setCategories(const QList<OptionCategory *> categories)
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{
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beginResetModel();
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qDeleteAll(m_categories);
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m_categories = categories;
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for(OptionCategory *category : m_categories) {
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category->setParent(this);
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connect(category, &OptionCategory::displayNameChanged, this, &OptionCategoryModel::categoryChangedName);
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connect(category, &OptionCategory::iconChanged, this, &OptionCategoryModel::categoryChangedIcon);
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}
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endResetModel();
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}
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int OptionCategoryModel::rowCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : m_categories.size();
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}
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QVariant OptionCategoryModel::data(const QModelIndex &index, int role) const
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{
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if(index.isValid() && index.row() < m_categories.size()) {
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switch (role) {
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case Qt::DisplayRole:
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return m_categories.at(index.row())->displayName();
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case Qt::DecorationRole: {
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const QIcon &icon = m_categories.at(index.row())->icon();
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if(!icon.isNull()) {
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return icon.pixmap(
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#ifdef GUI_QTWIDGETS
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QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize)
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#else
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QSize(32, 32)
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#endif
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);
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}
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}
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}
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}
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return QVariant();
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}
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/*!
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* \brief Handles the change of name of a category.
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*/
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void OptionCategoryModel::categoryChangedName()
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{
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if(OptionCategory *senderCategory = qobject_cast<OptionCategory *>(QObject::sender())) {
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for(int i = 0, end = m_categories.size(); i < end; ++i) {
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if(senderCategory == m_categories.at(i)) {
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QModelIndex index = this->index(i);
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emit dataChanged(index, index, QVector<int>() << Qt::DisplayRole);
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}
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}
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}
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}
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/*!
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* \brief Handles the a changed icon of a category.
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*/
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void OptionCategoryModel::categoryChangedIcon()
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{
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if(OptionCategory *senderCategory = qobject_cast<OptionCategory *>(QObject::sender())) {
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for(int i = 0, end = m_categories.size(); i < end; ++i) {
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if(senderCategory == m_categories.at(i)) {
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QModelIndex index = this->index(i);
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emit dataChanged(index, index, QVector<int>() << Qt::DecorationRole);
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}
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}
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}
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}
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}
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