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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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save/load QetGraphicsTableItem to/from .qet file
This commit is contained in:
Claveau Joshua
@@ -17,8 +17,10 @@
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*/
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#include "qetxml.h"
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#include "nameslist.h"
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#include <QPen>
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#include <QDir>
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#include <QFont>
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/**
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* @brief QETXML::penToXml
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@@ -72,8 +74,10 @@ QPen QETXML::penFromXml(const QDomElement &element)
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else if (style == "DotLine") pen.setStyle(Qt::DotLine);
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else if (style == "DashDotLine") pen.setStyle(Qt::DashDotLine);
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else if (style == "DashDotDotLine") pen.setStyle(Qt::DashDotDotLine);
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else if (style == "CustomDashLine") pen.setStyle(Qt::CustomDashLine),
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pen.setDashPattern( QVector<qreal>() << 10 << 10 );
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else if (style == "CustomDashLine") {
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pen.setStyle(Qt::CustomDashLine);
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pen.setDashPattern( QVector<qreal>() << 10 << 10 );
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}
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else pen.setStyle(Qt::DashLine);
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pen.setColor(QColor(element.attribute("color", "#000000")));
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@@ -274,3 +278,197 @@ QDomElement QETXML::textToDomElement(QDomDocument &document, const QString& tag_
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element.appendChild(text);
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return element;
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}
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/**
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* @brief QETXML::directChild
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* @param element
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* @param tag_name
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* @return All direct child of @element with the tag name @tag_name
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*/
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QVector<QDomElement> QETXML::directChild(const QDomElement &element, const QString &tag_name)
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{
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QVector<QDomElement> return_list;
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for (QDomNode node = element.firstChild() ; !node.isNull() ; node = node.nextSibling())
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{
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if (!node.isElement()) continue;
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QDomElement element = node.toElement();
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if (element.isNull() || element.tagName() != tag_name) continue;
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return_list << element;
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}
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return(return_list);
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}
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/**
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* @brief QETXML::subChild
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* @param element
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* @param parent_tag_name
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* @param children_tag_name
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* @return When given an xml dom element @element,
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* returns a vector of all children dom_elements tagged @children_tag_name
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* nested in the parent dom elements tagged parent_tag_name, themselves children of the dom element @element.
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*/
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QVector<QDomElement> QETXML::subChild(const QDomElement &element, const QString parent_tag_name, const QString &children_tag_name)
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{
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QVector<QDomElement> return_list;
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for (QDomNode child = element.firstChild() ; !child.isNull() ; child = child.nextSibling())
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{
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QDomElement parents = child.toElement();
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if (parents.isNull() || parents.tagName() != parent_tag_name)
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continue;
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for (QDomNode node_children = parents.firstChild() ; !node_children.isNull() ; node_children = node_children.nextSibling())
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{
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QDomElement n_children = node_children.toElement();
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if (!n_children.isNull() && n_children.tagName() == children_tag_name)
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return_list.append(n_children);
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}
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}
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return(return_list);
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}
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/**
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* @brief QETXML::marginsToXml
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* Save a QMargins to xml. the xml tag name is 'margins'
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* @param parent_document
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* @param margins
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* @return
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*/
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QDomElement QETXML::marginsToXml(QDomDocument &parent_document, const QMargins &margins)
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{
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auto dom_ = parent_document.createElement("margins");
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auto text_ = parent_document.createTextNode(QString::number(margins.left()) + QString(";") +
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QString::number(margins.top()) + QString(";") +
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QString::number(margins.right()) + QString(";") +
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QString::number(margins.bottom()));
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dom_.appendChild(text_);
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return dom_;
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}
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/**
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* @brief QETXML::marginsFromXml
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* @param element
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* @return a QMargins from an xml description.
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* The tag name must ne 'margins'
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*/
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QMargins QETXML::marginsFromXml(const QDomElement &element)
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{
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if (element.tagName() != "margins") {
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return QMargins();
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}
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auto margins_ = element.text().split(";");
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if (margins_.size() == 4) {
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return QMargins(margins_.at(0).toInt(), margins_.at(1).toInt(), margins_.at(2).toInt(), margins_.at(3).toInt());
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} else {
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return QMargins();
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}
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}
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/**
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* @brief QETXML::modelHeaderDataToXml
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* Save to xml element all header data specified by @horizontal_section_role and @vertical_section_role
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* @param parent_document
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* @param model
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* @param horizontal_section_role : key as header section and value as list of roles to save in xml
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* @param vertical_section_role :key as header section and value as list of roles to save in xml
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* @return
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*/
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QDomElement QETXML::modelHeaderDataToXml(QDomDocument &parent_document, const QAbstractItemModel *model, QHash<int, QList<int>> horizontal_section_role, QHash<int, QList<int>> vertical_section_role)
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{
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auto dom_element = parent_document.createElement("header_data");
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auto orientation_ = Qt::Horizontal;
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auto data_hash = horizontal_section_role;
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auto meta_enum_ori = QMetaEnum::fromType<Qt::Orientation>();
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auto meta_enum_role = QMetaEnum::fromType<Qt::ItemDataRole>();
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//Iterate twice, first for horizontal header and second to vertical header
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while (true)
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{
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for (auto section : data_hash.keys())
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{
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for (auto role : data_hash.value(section))
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{
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auto variant = model->headerData(section, orientation_, role);
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if (variant.isValid())
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{
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auto dom_data = parent_document.createElement("data");
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dom_data.setAttribute("section", QString::number(section));
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dom_data.setAttribute("orientation", meta_enum_ori.valueToKey(orientation_));
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dom_data.setAttribute("role", meta_enum_role.valueToKey(role));
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auto text_node = parent_document.createTextNode("");
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if (role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::ToolTipRole || role == Qt::StatusTipRole || role == Qt::WhatsThisRole)
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{
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text_node.setData(variant.toString());
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}
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else if (role == Qt::FontRole)
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{
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auto font = variant.value<QFont>();
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text_node.setData(font.toString());
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}
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else if (role == Qt::TextAlignmentRole)
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{
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auto me = QMetaEnum::fromType<Qt::Alignment>();
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text_node.setData(me.valueToKey(variant.toInt()));
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}
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dom_data.appendChild(text_node);
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dom_element.appendChild(dom_data);
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}
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}
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}
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if(orientation_ == Qt::Vertical) {
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break;
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} else {
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data_hash = vertical_section_role;
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orientation_ = Qt::Vertical;
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}
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}
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return dom_element;
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}
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/**
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* @brief QETXML::modelHeaderDataFromXml
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* Restore from xml modele header data
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* @param element
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* @param model
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*/
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void QETXML::modelHeaderDataFromXml(const QDomElement &element, QAbstractItemModel *model)
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{
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if (element.tagName() != "header_data")
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return;
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auto meta_enum_orientation = QMetaEnum::fromType<Qt::Orientations>();
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auto meta_enum_role = QMetaEnum::fromType<Qt::ItemDataRole>();
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for (auto child : QETXML::directChild(element, "data"))
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{
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auto section_ = child.attribute("section", "-1").toInt();
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auto orientation_ = Qt::Orientation(meta_enum_orientation.keyToValue(child.attribute("orientation", "Horizontal").toStdString().data()));
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auto role_ = meta_enum_role.keyToValue(child.attribute("role", "DisplayRole").toStdString().data());
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auto text_ = child.text();
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QVariant data_;
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if (role_ == Qt::DisplayRole || role_ == Qt::EditRole || role_ == Qt::ToolTipRole || role_ == Qt::StatusTipRole || role_ == Qt::WhatsThisRole) {
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data_ = text_;
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}
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else if (role_ == Qt::FontRole)
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{
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QFont font;
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font.fromString(text_);
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data_ = font;
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}
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else if (role_ == Qt::TextAlignmentRole)
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{
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auto me = QMetaEnum::fromType<Qt::Alignment>();
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data_ = me.keyToValue(text_.toStdString().data());
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}
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model->setHeaderData(section_, orientation_, data_, role_);
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}
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}
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