Eberhard Graether
5845a98095
* click message in status bar to show status view * renamed status tab to output * renamed status column to message * fixed list not properly updating when using filters * scroll to first row after clearing
137 lines
2.9 KiB
C++
137 lines
2.9 KiB
C++
#include "qt/element/QtTable.h"
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#include <cmath>
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#include <QHeaderView>
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#include <QResizeEvent>
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#include <QScrollBar>
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#include <QStyledItemDelegate>
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#include <QLineEdit>
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#include "settings/ApplicationSettings.h"
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class SelectableCellDelegate : public QStyledItemDelegate
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{
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QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
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};
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QWidget* SelectableCellDelegate::createEditor(
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QWidget* parent,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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QWidget* editor = QStyledItemDelegate::createEditor(parent, option, index);
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QLineEdit* lineEdit = dynamic_cast<QLineEdit*>(editor);
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if (lineEdit != nullptr)
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{
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lineEdit->setReadOnly(true);
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}
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return editor;
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}
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QtTable::QtTable(QWidget* parent)
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: QTableView(parent)
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, m_rowsToFill(0)
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{
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setAlternatingRowColors(true);
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setShowGrid(false);
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this->setItemDelegate(new SelectableCellDelegate());
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verticalHeader()->sectionResizeMode(QHeaderView::Fixed);
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verticalHeader()->setDefaultAlignment(Qt::AlignRight);
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horizontalHeader()->setStretchLastSection(true);
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horizontalHeader()->setDefaultAlignment(Qt::AlignLeft);
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setSelectionBehavior(QAbstractItemView::SelectRows);
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setSelectionMode(QAbstractItemView::SingleSelection);
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}
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QtTable::~QtTable()
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{
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}
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void QtTable::updateRows()
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{
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while (model()->rowCount() <= m_rowsToFill)
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{
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model()->insertRow(model()->rowCount());
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}
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while (model()->rowCount() > m_rowsToFill + 1)
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{
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int row = model()->rowCount() - 1;
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if (model()->index(row, 0).data(Qt::DisplayRole).toString().isEmpty())
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{
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model()->removeRow(row);
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}
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else
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{
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break;
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}
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}
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int rowCount = model()->rowCount() > m_rowsToFill ? model()->rowCount() : m_rowsToFill;
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int width = ApplicationSettings::getInstance()->getFontSize() * 0.7 * int(1 + std::log10(rowCount));
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verticalHeader()->setStyleSheet("::section { width: " + QString::number(width) + "px; }");
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verticalHeader()->setDefaultSectionSize(ApplicationSettings::getInstance()->getFontSize() + 6);
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if (this->selectionModel()->hasSelection())
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{
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if (selectionModel()->selection().indexes()[0].row() >= model()->rowCount() - 2)
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{
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clearSelection();
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showLastRow();
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}
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}
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else
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{
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showLastRow();
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}
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}
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int QtTable::getFilledRowCount()
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{
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for (int i = 0; i < model()->rowCount(); i++)
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{
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if (model()->index(i, 0).data(Qt::DisplayRole).toString().isEmpty())
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{
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return i;
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}
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}
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return model()->rowCount();
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}
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void QtTable::showFirstRow()
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{
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verticalScrollBar()->setValue(verticalScrollBar()->minimum());
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}
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void QtTable::showLastRow()
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{
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if (m_rowsToFill <= getFilledRowCount())
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{
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verticalScrollBar()->setValue(verticalScrollBar()->maximum());
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}
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}
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void QtTable::resizeEvent(QResizeEvent* event)
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{
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QTableView::resizeEvent(event);
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int tableHeight = event->size().height();
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if (this->model()->rowCount() == 0)
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{
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this->model()->insertRow(0);
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}
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m_rowsToFill = (float)tableHeight / this->rowHeight(0);
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updateRows();
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}
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