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Improvements to the CrudModel

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The new data of modified rows is now stored directly within the row_mapping
also changed how new rows are handled so the new empty row for inserting
is not a special case but is part of the list.
This commit is contained in:
eelke 2022-01-22 16:22:29 +01:00
parent a7f247bdee
commit 06504ecc1f
9 changed files with 213 additions and 317 deletions
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113
pglab/CrudTab.cpp
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@ -1,113 +0,0 @@
#include "CrudTab.h"
#include "ui_CrudTab.h"
#include "CrudModel.h"
#include "ResultTableModelUtil.h"
#include "PgLabItemDelegate.h"
#include "IntegerRange.h"
#include "OpenDatabase.h"
#include "catalog/PgClassContainer.h"
#include "catalog/PgDatabaseCatalog.h"
#include <QDebug>
#include <QMenu>
#include <QMessageBox>
#include <iterator>
#include <set>
CrudTab::CrudTab(IDatabaseWindow *context, QWidget *parent)
: QWidget(parent)
, m_context(context)
, ui(new Ui::CrudTab)
{
ui->setupUi(this);
m_db = context->openDatabase();
SetTableViewDefault(ui->tableView);
auto delegate = new PgLabItemDelegate(ui->tableView);
ui->tableView->setItemDelegate(delegate);
m_crudModel = new CrudModel(nullptr);
m_SortFilterProxy = new QSortFilterProxyModel(this);
m_SortFilterProxy->setSourceModel(m_crudModel);
ui->tableView->setModel(m_SortFilterProxy);
ui->tableView->setSortingEnabled(true);
ui->tableView->setSelectionMode(QAbstractItemView::ExtendedSelection);
ui->tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
ui->tableView->addAction(ui->actionRemove_rows);
auto horizontal_header = ui->tableView->horizontalHeader();
horizontal_header->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
connect(horizontal_header, &QHeaderView::customContextMenuRequested,
this, &CrudTab::headerCustomContextMenu);
}
CrudTab::~CrudTab()
{
delete m_crudModel;
delete ui;
}
void CrudTab::setConfig(Oid oid) //std::shared_ptr<OpenDatabase> db, const PgClass &table)
{
m_table = *m_db->catalog()->classes()->getByKey(oid);
m_crudModel->setConfig(m_db, *m_table);
m_context->setTitleForWidget(this, m_table->objectName(), "");
}
void CrudTab::refresh()
{
m_crudModel->loadData();
}
void CrudTab::on_actionRemove_rows_triggered()
{
std::set<IntegerRange<int>> row_ranges;
auto selection = m_SortFilterProxy->mapSelectionToSource(ui->tableView->selectionModel()->selection());
for (auto range : selection) {
row_ranges.emplace(range.top(), range.height());
}
std::set<IntegerRange<int>> merged_ranges;
merge_ranges(row_ranges.begin(), row_ranges.end(), std::inserter(merged_ranges, merged_ranges.begin()));
QString msg = tr("Are you certain you want to remove the following row(s)?");
msg += "\n";
bool first = true;
for (auto range : merged_ranges) {
if (first) first = false;
else msg += ", ";
auto s = range.start() + 1, e = range.end();
if (s == e)
msg += QString("%1").arg(s);
else
msg += QString("%1 through %2").arg(s).arg(e);
msg += " ";
}
auto res = QMessageBox::question(this, "pgLab", msg, QMessageBox::Yes, QMessageBox::No);
if (res == QMessageBox::Yes) {
auto [res, msg] = m_crudModel->removeRows(merged_ranges);
if (!res) {
QMessageBox::critical(this, "pgLab", msg, QMessageBox::Close);
}
}
}
void CrudTab::headerCustomContextMenu(const QPoint &pos)
{
auto menu = new QMenu(this);
QAction *action = new QAction(QIcon(":/icons/script_go.png"), tr("Refresh"), this);
action->setShortcut(QKeySequence(Qt::Key_F5));
connect(action, &QAction::triggered, this, &CrudTab::refresh);
menu->addAction(action);
auto horizontal_header = ui->tableView->horizontalHeader();
menu->popup(horizontal_header->mapToGlobal(pos));
}