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291
items/xqitemdelegate.cpp
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291
items/xqitemdelegate.cpp
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/***************************************************************************
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source::worx xtree
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Copyright © 2024-2025 c.holzheuer
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christoph.holzheuer@gmail.com
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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***************************************************************************/
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#include <QApplication>
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#include <QItemEditorFactory>
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#include <QLineEdit>
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#include <QComboBox>
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#include <QDoubleSpinBox>
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#include <QProgressBar>
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#include <QPainter>
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#include <QHeaderView>
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#include <QCommonStyle>
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#include <xqitemdelegate.h>
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#include <xqtreeview.h>
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#include <xqitemtype.h>
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#include <xqmodel.h>
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class XQItemEditorFactory : public QItemEditorFactory
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{
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public:
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XQItemEditorFactory()
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{
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registerEditor(XQItem::LineEditType, new QStandardItemEditorCreator<QLineEdit>());
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registerEditor(XQItem::ComboBoxType, new QStandardItemEditorCreator<QLineEdit>());
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registerEditor(XQItem::PickerType, new QStandardItemEditorCreator<QLineEdit>());
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registerEditor(XQItem::ProgressBarType, new QStandardItemEditorCreator<QLineEdit>());
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registerEditor(XQItem::SpinBoxType, new QStandardItemEditorCreator<QLineEdit>());
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registerEditor(XQItem::CustomEditorType, new QStandardItemEditorCreator<QLineEdit>());
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/*
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registerEditor(XQItem::LineEditStyle, new QStandardItemEditorCreator<QLineEdit>());
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registerEditor(XQItemType::ComboBoxStyle, new QStandardItemEditorCreator<QComboBox>());
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//registerEditor(XQItemType::ProgressBarStyle, new QStandardItemEditorCreator<QProgressBar>());
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registerEditor(XQItemType::SpinBoxStyle, new QStandardItemEditorCreator<QSpinBox>());
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*/
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/*
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registerEditor(XQItem::etDoubleSpinType, new QStandardItemEditorCreator<QDoubleSpinBox>());
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registerEditor(XQItemItemTypes::etDoubleSpinType, new QStandardItemEditorCreator<QDoubleSpinBox>());
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registerEditor(XQItemItemTypes::etIPAddressType, new QStandardItemEditorCreator<NTIpAddressEdit>());
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registerEditor(XQItemItemTypes::etLineEditBrowser, new QStandardItemEditorCreator<NTFileSelectLine>());
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*/
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}
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};
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XQItemDelegate::XQItemDelegate( XQModel& modelView)
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: _modelView{modelView}
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{
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static XQItemEditorFactory s_EditorFactory;
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setItemEditorFactory(&s_EditorFactory);
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}
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XQTreeView* XQItemDelegate::treeView() const
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{
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return _modelView.treeView();
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}
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XQItem& XQItemDelegate::xqItemFromIndex( const QModelIndex& index ) const
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{
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return _modelView.xqItemFromIndex( index );
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}
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QWidget* XQItemDelegate::prepareHeaderOption(const QStyleOptionViewItem& option, const QModelIndex& index, QStyleOptionHeader& headerOption) const
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{
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// use the header as "parent" for style init
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QWidget* srcWidget = treeView()->header();
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headerOption.initFrom(srcWidget);
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headerOption.text = index.data(Qt::DisplayRole).toString();
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headerOption.rect = option.rect;
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headerOption.styleObject = option.styleObject;
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// __ch: reduce inner offset when painting
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headerOption.textAlignment |= Qt::AlignVCenter;
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return srcWidget;
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}
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void XQItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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if( !index.isValid() )
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qDebug() << " index DEAD!";
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XQItem& item = xqItemFromIndex( index );
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if( item.isValid() )
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{
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switch( item.renderStyle() )
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{
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case XQItem::HeaderStyle :
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return drawHeaderStyle( painter, option, index );
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case XQItem::ComboBoxStyle :
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return drawComboBoxStyle( painter, option, index );
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case XQItem::HiddenStyle :
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return;
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//case XQItem::ProgressBarStyle :
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// return drawProgressBarStyle( painter, option, index );
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default:
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break;
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} // switch
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}
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QStyledItemDelegate::paint(painter, option, index);
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}
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void XQItemDelegate::drawHeaderStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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QStyleOptionHeader headerOption;
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QWidget* srcWidget = prepareHeaderOption(option, index, headerOption);
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if (srcWidget != nullptr)
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{
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// save painter
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painter->save();
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//value = index.data(Qt::ForegroundRole);
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//if (value.canConvert<QBrush>())
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//headerOption.palette.setBrush(QPalette::Text, Qt::red );
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//headerOption.palette.setBrush(QPalette::Window, Qt::red );
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QCommonStyle itemStyle;
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//headerOption.backgroundBrush()
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//srcWidget->style()->drawControl(QStyle::CE_Header, &headerOption, painter, srcWidget);
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itemStyle.drawControl(QStyle::CE_Header, &headerOption, painter, srcWidget);
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// restore painter
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painter->restore();
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}
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}
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void XQItemDelegate::drawProgressBarStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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int progress = index.data(XQItem::ContentRole ).toInt();
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QStyleOptionProgressBar progressBarOption;
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progressBarOption.rect = option.rect;
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progressBarOption.minimum = 0;
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progressBarOption.maximum = 100;
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progressBarOption.progress = progress;
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progressBarOption.text = QString::number(progress) + "%";
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progressBarOption.textAlignment = Qt::AlignCenter;
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progressBarOption.textVisible = true;
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QApplication::style()->drawControl(QStyle::CE_ProgressBar,&progressBarOption, painter);
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}
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void XQItemDelegate::drawComboBoxStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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QWidget* srcWidget = qobject_cast<QWidget*>(option.styleObject);
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QStyleOptionComboBox comboOption;
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QStyle* comboStyle = srcWidget->style();
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comboOption.initFrom(srcWidget);
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// set options
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comboOption.rect = option.rect;
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comboOption.state = option.state | QStyle::State_Selected | QStyle::State_Enabled;
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// not editable => only visual, but painter needs to know it
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comboOption.editable = false;
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comboOption.currentText = index.data(Qt::DisplayRole).toString();
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// decoration (if any)
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comboOption.currentIcon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
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comboOption.iconSize = comboOption.currentIcon.actualSize(QSize(option.rect.height() - 3, option.rect.height() - 3));
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// save painter
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painter->save();
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// draw combo
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comboStyle->drawComplexControl(QStyle::CC_ComboBox, &comboOption, painter, srcWidget);
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// and combobox label
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comboStyle->drawControl(QStyle::CE_ComboBoxLabel, &comboOption, painter, srcWidget);
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// restore painter
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painter->restore();
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}
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void XQItemDelegate::drawSpinBoxStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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// xx_fix!
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//int value = index.data(XQItem::ContentRole ).toInt();
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QStyleOptionSpinBox spinBoxOption;
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spinBoxOption.rect = option.rect;
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/*
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spinBoxOption.text = QString::number(value);
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spinBoxOption.textAlignment = Qt::AlignCenter;
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spinBoxOption.textVisible = true;
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*/
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QApplication::style()->drawComplexControl(QStyle::CC_SpinBox,&spinBoxOption, painter);
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}
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QSize XQItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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return QStyledItemDelegate::sizeHint(option, index);
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}
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QWidget* XQItemDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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return QStyledItemDelegate::createEditor( parent, option, index );
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int editorType = XQItem::xqItemFromIndex(index).editorType();
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QWidget* editor = itemEditorFactory()->createEditor(editorType, parent);
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if( editor )
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{
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return editor;
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}
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}
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void XQItemDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
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{
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XQItem& item = xqItemFromIndex( index );
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qDebug() << " --- ZZZ: setEditorData: " << item.text();
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switch( item.editorType() )
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{
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case XQItemType::ComboBoxType :
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{
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QComboBox* comboBox = qobject_cast<QComboBox*>(editor);
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comboBox->setModel( item.fixedChoices());
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comboBox->setCurrentText( item.data().toString() );
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comboBox->showPopup();
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return;
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}
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default:
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break;
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}
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QStyledItemDelegate::setEditorData(editor, index);
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}
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void XQItemDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
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{
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XQItem& item = xqItemFromIndex( index );
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switch( item.editorType() )
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{
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case XQItem::ComboBoxType :
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{
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QComboBox* comboBox = qobject_cast<QComboBox*>(editor);
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return;
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}
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default:
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break;
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}
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QStyledItemDelegate::setModelData(editor, model, index);
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}
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void XQItemDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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//qDebug() << " --- update Editor Geometry";
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QStyledItemDelegate::updateEditorGeometry(editor, option, index);
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}
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