Files
pilotclient/src/blackgui/views/viewbasenontemplate.cpp
2019-04-11 22:11:49 +01:00

891 lines
37 KiB
C++

/* Copyright (C) 2018
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
* or distributed except according to the terms contained in the LICENSE file.
*/
#include "blackconfig/buildconfig.h"
#include "blackgui/components/texteditdialog.h"
#include "blackgui/dockwidgetinfoarea.h"
#include "blackgui/filters/filterdialog.h"
#include "blackgui/filters/filterwidget.h"
#include "blackgui/guiutility.h"
#include "blackgui/loadindicator.h"
#include "blackgui/menus/fontmenus.h"
#include "blackgui/menus/menudelegate.h"
#include "blackgui/views/viewbase.h"
#include "blackgui/shortcut.h"
#include "blackmisc/logmessage.h"
#include <QApplication>
#include <QAction>
#include <QDesktopWidget>
#include <QMetaMethod>
#include <QShortcut>
#include <algorithm>
using namespace BlackConfig;
using namespace BlackMisc;
using namespace BlackGui;
using namespace BlackGui::Menus;
using namespace BlackGui::Models;
using namespace BlackGui::Filters;
using namespace BlackGui::Settings;
using namespace BlackGui::Components;
namespace BlackGui
{
namespace Views
{
CViewBaseNonTemplate::CViewBaseNonTemplate(QWidget *parent) : COverlayMessagesTableView(parent)
{
this->setContextMenuPolicy(Qt::CustomContextMenu);
connect(this, &QWidget::customContextMenuRequested, this, &CViewBaseNonTemplate::customMenuRequested);
connect(this, &QTableView::clicked, this, &CViewBaseNonTemplate::onClicked);
connect(this, &QTableView::doubleClicked, this, &CViewBaseNonTemplate::onDoubleClicked);
this->horizontalHeader()->setSortIndicatorShown(true);
// setting resize mode rowsResizeModeToContent() causes extremly slow views
// default, see: m_rowResizeMode
// scroll modes
this->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
this->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
this->setWordWrap(true);
this->setTextElideMode(Qt::ElideMiddle);
// shortcuts
QShortcut *filter = new QShortcut(CShortcut::keyDisplayFilter(), this);
connect(filter, &QShortcut::activated, this, &CViewBaseNonTemplate::displayFilterDialog);
filter->setObjectName("Filter shortcut for " + this->objectName());
filter->setContext(Qt::WidgetShortcut);
QShortcut *clearSelection = new QShortcut(CShortcut::keyClearSelection(), this);
connect(clearSelection, &QShortcut::activated, this, &CViewBaseNonTemplate::clearSelection);
clearSelection->setObjectName("Clear selection shortcut for " + this->objectName());
clearSelection->setContext(Qt::WidgetShortcut);
QShortcut *saveJson = new QShortcut(CShortcut::keySaveViews(), this);
connect(saveJson, &QShortcut::activated, this, &CViewBaseNonTemplate::saveJsonAction);
saveJson->setObjectName("Save JSON for " + this->objectName());
saveJson->setContext(Qt::WidgetShortcut);
QShortcut *deleteRow = new QShortcut(CShortcut::keyDelete(), this);
connect(deleteRow, &QShortcut::activated, this, &CViewBaseNonTemplate::removeSelectedRowsChecked);
deleteRow->setObjectName("Remove selected rows for " + this->objectName());
deleteRow->setContext(Qt::WidgetShortcut);
QShortcut *copy = new QShortcut(CShortcut::keyCopy(), this);
connect(copy, &QShortcut::activated, this, &CViewBaseNonTemplate::copy);
copy->setObjectName("Copy selection shortcut for " + this->objectName());
copy->setContext(Qt::WidgetShortcut);
QShortcut *resize = new QShortcut(CShortcut::keyResizeView(), this);
connect(resize, &QShortcut::activated, this, &CViewBaseNonTemplate::fullResizeToContents);
resize->setObjectName("Resize view shortcut for " + this->objectName());
resize->setContext(Qt::WidgetShortcut);
}
CViewBaseNonTemplate::~CViewBaseNonTemplate()
{
// dtor
}
bool CViewBaseNonTemplate::setParentDockWidgetInfoArea(CDockWidgetInfoArea *parentDockableWidget)
{
const bool c = CEnableForDockWidgetInfoArea::setParentDockWidgetInfoArea(parentDockableWidget);
return c;
}
void CViewBaseNonTemplate::resizeToContents()
{
this->performModeBasedResizeToContent();
}
void CViewBaseNonTemplate::setFilterWidgetImpl(QWidget *filterWidget)
{
if (filterWidget == m_filterWidget) { return; }
// dialog or filter widget
if (m_filterWidget)
{
disconnect(m_filterWidget);
this->menuRemoveItems(MenuFilter);
if (m_filterWidget->parent() == this) { m_filterWidget->deleteLater(); }
m_filterWidget = nullptr;
}
if (filterWidget)
{
this->menuAddItems(MenuFilter);
m_filterWidget = filterWidget;
}
}
void CViewBaseNonTemplate::setFilterDialog(CFilterDialog *filterDialog)
{
if (filterDialog == m_filterWidget) { return; }
this->setFilterWidgetImpl(filterDialog);
if (filterDialog)
{
const bool s = connect(filterDialog, &CFilterDialog::finished, this, &CViewBaseNonTemplate::filterDialogFinished);
Q_ASSERT_X(s, Q_FUNC_INFO, "filter dialog connect");
Q_UNUSED(s);
}
}
void CViewBaseNonTemplate::setFilterWidget(CFilterWidget *filterWidget)
{
if (filterWidget == m_filterWidget) { return; }
this->setFilterWidgetImpl(filterWidget);
if (filterWidget)
{
bool s = connect(filterWidget, &CFilterWidget::changeFilter, this, &CViewBaseNonTemplate::filterWidgetChangedFilter);
Q_ASSERT_X(s, Q_FUNC_INFO, "filter connect");
s = connect(this, &CViewBaseNonTemplate::modelDataChanged, filterWidget, &CFilterWidget::onRowCountChanged);
Q_ASSERT_X(s, Q_FUNC_INFO, "filter connect");
Q_UNUSED(s);
}
}
void CViewBaseNonTemplate::enableLoadIndicator(bool enable)
{
m_enabledLoadIndicator = enable;
}
bool CViewBaseNonTemplate::isShowingLoadIndicator() const
{
return m_loadIndicator && m_enabledLoadIndicator && m_showingLoadIndicator;
}
void CViewBaseNonTemplate::setSelectionModel(QItemSelectionModel *model)
{
if (this->selectionModel()) { disconnect(this->selectionModel()); }
QTableView::setSelectionModel(model);
if (this->selectionModel())
{
connect(this->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &CViewBaseNonTemplate::onRowSelected);
}
}
QWidget *CViewBaseNonTemplate::mainApplicationWindowWidget() const
{
return CGuiUtility::mainApplicationWidget();
}
CStatusMessage CViewBaseNonTemplate::showFileLoadDialog(const QString &directory)
{
return this->loadJson(directory);
}
CStatusMessage CViewBaseNonTemplate::showFileSaveDialog(bool selectedOnly, const QString &directory)
{
return this->saveJson(selectedOnly, directory);
}
void CViewBaseNonTemplate::setHorizontalHeaderSectionResizeMode(QHeaderView::ResizeMode mode)
{
this->horizontalHeader()->setSectionResizeMode(mode);
}
IMenuDelegate *CViewBaseNonTemplate::setCustomMenu(IMenuDelegate *menu, bool nestPreviousMenu)
{
if (menu && nestPreviousMenu)
{
// new menu with nesting
menu->setNestedDelegate(m_menu);
m_menu = menu;
}
else if (!menu && nestPreviousMenu)
{
// nested new menu
m_menu = m_menu->getNestedDelegate();
}
else
{
// no nesting
m_menu = menu;
}
return menu;
}
CMenuActions CViewBaseNonTemplate::initMenuActions(CViewBaseNonTemplate::MenuFlag menu)
{
if (m_menuFlagActions.contains(menu)) { return m_menuFlagActions.value(menu); }
CMenuActions ma;
switch (menu)
{
case MenuRefresh:
{
static const QMetaMethod requestSignal = QMetaMethod::fromSignal(&CViewBaseNonTemplate::requestUpdate);
if (!this->isSignalConnected(requestSignal)) break;
ma.addAction(CIcons::refresh16(), "Update", CMenuAction::pathViewUpdates(), { this, &CViewBaseNonTemplate::triggerReload }); break;
}
case MenuBackend:
{
static const QMetaMethod requestSignal = QMetaMethod::fromSignal(&CViewBaseNonTemplate::requestNewBackendData);
if (!this->isSignalConnected(requestSignal)) break;
ma.addAction(CIcons::refresh16(), "Reload from backend", CMenuAction::pathViewUpdates(), { this, &CViewBaseNonTemplate::triggerReloadFromBackend }); break;
}
case MenuDisplayAutomatically:
{
QAction *a = ma.addAction(CIcons::appMappings16(), "Automatically display (when loaded)", CMenuAction::pathViewUpdates(), { this, &CViewBaseNonTemplate::toggleAutoDisplay });
a->setCheckable(true);
a->setChecked(this->displayAutomatically());
break;
}
case MenuRemoveSelectedRows: { ma.addAction(CIcons::delete16(), "Remove selected rows", CMenuAction::pathViewAddRemove(), { this, &CViewBaseNonTemplate::removeSelectedRowsChecked }, CShortcut::keyDelete()); break; }
case MenuClear: { ma.addAction(CIcons::delete16(), "Clear", CMenuAction::pathViewAddRemove(), { this, &CViewBaseNonTemplate::clear }); break; }
case MenuFilter:
{
if (m_filterWidget)
{
const bool dialog = qobject_cast<QDialog *>(m_filterWidget);
if (dialog) ma.addAction(CIcons::filter16(), "Show filter " + CShortcut::toParenthesisString(CShortcut::keyDisplayFilter()), CMenuAction::pathViewFilter(), { this, &CViewBaseNonTemplate::displayFilterDialog }, CShortcut::keyDisplayFilter());
ma.addAction(CIcons::filter16(), "Remove Filter", CMenuAction::pathViewFilter(), { this, &CViewBaseNonTemplate::removeFilter });
}
break;
}
case MenuMaterializeFilter: { ma.addAction(CIcons::tableRelationship16(), "Materialize filtered data", CMenuAction::pathViewFilter(), { this, &CViewBaseNonTemplate::materializeFilter }); break; }
case MenuLoad: { ma.addAction(CIcons::disk16(), "Load from file ", CMenuAction::pathViewLoadSave(), { this, &CViewBaseNonTemplate::loadJsonAction }); break; }
case MenuSave:
{
ma.addAction(CIcons::disk16(), "Save data in file " + CShortcut::toParenthesisString(CShortcut::keySaveViews()), CMenuAction::pathViewLoadSave(), { this, &CViewBaseNonTemplate::saveJsonAction }, CShortcut::keySaveViews());
if (this->hasSelection())
{
ma.addAction(CIcons::disk16(), "Save selected data in file", CMenuAction::pathViewLoadSave(), { this, &CViewBaseNonTemplate::saveSelectedJsonAction }); break;
}
break;
}
case MenuCut:
{
if (!QApplication::clipboard()) break;
ma.addAction(CIcons::cut16(), "Cut", CMenuAction::pathViewCutPaste(), { this, &CViewBaseNonTemplate::cut }, QKeySequence(QKeySequence::Paste));
break;
}
case MenuPaste:
{
if (!QApplication::clipboard()) break;
ma.addAction(CIcons::paste16(), "Paste", CMenuAction::pathViewCutPaste(), { this, &CViewBaseNonTemplate::paste }, QKeySequence(QKeySequence::Paste));
break;
}
case MenuCopy:
{
if (!QApplication::clipboard()) break;
ma.addAction(CIcons::copy16(), "Copy", CMenuAction::pathViewCutPaste(), { this, &CViewBaseNonTemplate::copy }, QKeySequence(QKeySequence::Copy));
break;
}
default:
break;
}
m_menuFlagActions.insert(menu, ma);
return ma;
}
void CViewBaseNonTemplate::settingsChanged()
{
if (!this->allowsMultipleSelectedRows()) { return; }
const CGeneralGuiSettings settings = m_guiSettings.getThreadLocal();
m_originalSelectionMode = settings.getPreferredSelection();
if (this->isCurrentlyAllowingMultipleRowSelections())
{
this->setSelectionMode(settings.getPreferredSelection());
}
}
void CViewBaseNonTemplate::rememberLastJsonDirectory(const QString &selectedFileOrDir)
{
if (selectedFileOrDir.isEmpty()) { return; }
const QString dir = CDirectories::fileNameToDirectory(selectedFileOrDir);
QDir d(dir);
if (!d.exists()) { return; }
// existing dir
CDirectories directories = m_dirSettings.get();
directories.setPropertyByIndex(m_dirSettingsIndex, CVariant::fromValue(dir));
const CStatusMessage msg = m_dirSettings.setAndSave(directories);
CLogMessage::preformatted(msg);
}
QString CViewBaseNonTemplate::getRememberedLastJsonDirectory() const
{
const CDirectories directories = m_dirSettings.get();
return directories.propertyByIndex(m_dirSettingsIndex).toQString();
}
Components::CTextEditDialog *CViewBaseNonTemplate::textEditDialog()
{
if (!m_textEditDialog)
{
m_textEditDialog = new CTextEditDialog(this);
}
return m_textEditDialog;
}
void CViewBaseNonTemplate::customMenu(CMenuActions &menuActions)
{
// delegate?
if (m_menu) { m_menu->customMenu(menuActions); }
// standard view menus
if (m_menus.testFlag(MenuRefresh)) { menuActions.addActions(this->initMenuActions(MenuRefresh)); }
if (m_menus.testFlag(MenuBackend)) { menuActions.addActions(this->initMenuActions(MenuBackend)); }
if (m_showingLoadIndicator)
{
// just in case, if this ever will be dangling
menuActions.addAction(CIcons::preloader16(), "Hide load indicator", CMenuAction::pathViewUpdates(), nullptr, { this, &CViewBaseNonTemplate::hideLoacIndicatorForced });
}
if (m_menus.testFlag(MenuClear)) { menuActions.addActions(this->initMenuActions(MenuClear)); }
if (m_menus.testFlag(MenuDisplayAutomatically))
{
// here I expect only one action
QAction *a = menuActions.addActions(this->initMenuActions(MenuDisplayAutomatically)).first();
a->setChecked(this->displayAutomatically());
}
if (m_menus.testFlag(MenuRemoveSelectedRows))
{
if (this->hasSelection())
{
menuActions.addActions(this->initMenuActions(MenuRemoveSelectedRows));
}
}
if (m_menus.testFlag(MenuCopy)) { menuActions.addActions(this->initMenuActions(MenuCopy)); }
if (m_menus.testFlag(MenuCut)) { menuActions.addActions(this->initMenuActions(MenuCut)); }
if (m_menus.testFlag(MenuPaste)) { menuActions.addActions(this->initMenuActions(MenuPaste)); }
if (m_menus.testFlag(MenuFont) && m_fontMenu)
{
menuActions.addActions(m_fontMenu->getActions(), CMenuAction::pathFont());
}
if (m_menus.testFlag(MenuFilter) && m_filterWidget)
{
menuActions.addActions(this->initMenuActions(MenuFilter));
if (m_menus.testFlag(MenuMaterializeFilter))
{
menuActions.addActions(this->initMenuActions(MenuMaterializeFilter));
}
}
// selection menus, not in menu action list because it depends on current selection
const SelectionMode sm = this->selectionMode();
if (sm == MultiSelection || sm == ExtendedSelection)
{
menuActions.addAction("Select all", CMenuAction::pathViewSelection(), nullptr, { this, &CViewBaseNonTemplate::selectAll }, Qt::CTRL + Qt::Key_A);
}
if (sm != NoSelection)
{
menuActions.addAction("Clear selection " + CShortcut::toParenthesisString(CShortcut::keyClearSelection()), CMenuAction::pathViewSelection(), nullptr, { this, &CViewBaseNonTemplate::clearSelection }, CShortcut::keyClearSelection());
}
if ((m_originalSelectionMode == MultiSelection || m_originalSelectionMode == ExtendedSelection) && m_menus.testFlag(MenuToggleSelectionMode))
{
if (sm != MultiSelection)
{
menuActions.addAction("Switch to multi selection", CMenuAction::pathViewSelection(), nullptr, { this, &CViewBaseNonTemplate::setMultiSelection });
}
if (sm != ExtendedSelection)
{
menuActions.addAction("Switch to extended selection", CMenuAction::pathViewSelection(), nullptr, { this, &CViewBaseNonTemplate::setExtendedSelection });
}
if (sm != SingleSelection)
{
menuActions.addAction("Switch to single selection", CMenuAction::pathViewSelection(), nullptr, { this, &CViewBaseNonTemplate::setSingleSelection });
}
}
// load/save
if (m_menus.testFlag(MenuLoad)) { menuActions.addActions(this->initMenuActions(MenuLoad)); }
if (m_menus.testFlag(MenuSave) && !isEmpty()) { menuActions.addActions(this->initMenuActions(MenuSave)); }
// resizing
menuActions.addAction(CIcons::resize16(), "&Resize " + CShortcut::toParenthesisString(CShortcut::keyResizeView()), CMenuAction::pathViewResize(), nullptr, { this, &CViewBaseNonTemplate::presizeOrFullResizeToContents });
// resize to content might decrease performance,
// so I only allow changing to "content resizing" if size matches
const bool enabled = !this->reachedResizeThreshold();
const bool autoResize = (m_resizeMode == ResizingAuto);
// when not set to auto, then lets set how we want to resize rows
if (m_rowResizeMode == Interactive)
{
QAction *a = menuActions.addAction(CIcons::resizeVertical16(), " Resize rows to content (auto), can be slow", CMenuAction::pathViewResize(), nullptr, { this, &CViewBaseNonTemplate::rowsResizeModeToContent });
a->setEnabled(enabled && !autoResize);
}
else
{
QAction *a = menuActions.addAction(CIcons::resizeVertical16(), "Resize rows interactively", CMenuAction::pathViewResize(), nullptr, { this, &CViewBaseNonTemplate::rowsResizeModeToInteractive });
a->setEnabled(!autoResize);
}
// export actions, display in text edit
if (CBuildConfig::isLocalDeveloperDebugBuild())
{
menuActions.addAction(CIcons::tableSheet16(), "Display as JSON", CMenuAction::pathViewLoadSave(), { this, &CViewBaseNonTemplate::displayJsonPopup });
if (this->hasSelection())
{
menuActions.addAction(CIcons::tableSheet16(), "Display selected as JSON", CMenuAction::pathViewLoadSave(), { this, &CViewBaseNonTemplate::displaySelectedJsonPopup });;
}
}
QAction *actionInteractiveResize = menuActions.addAction(CIcons::viewMultiColumn(), "Resize (auto)", CMenuAction::pathViewResize(), nullptr);
actionInteractiveResize->setObjectName(this->objectName().append("ActionResizing"));
actionInteractiveResize->setCheckable(true);
actionInteractiveResize->setChecked(autoResize);
actionInteractiveResize->setEnabled(enabled);
connect(actionInteractiveResize, &QAction::toggled, this, &CViewBaseNonTemplate::toggleResizeMode);
}
void CViewBaseNonTemplate::resizeEvent(QResizeEvent *event)
{
if (this->isShowingLoadIndicator())
{
// re-center
this->centerLoadIndicator();
}
QTableView::resizeEvent(event);
}
int CViewBaseNonTemplate::getHorizontalHeaderFontHeight() const
{
const QFontMetrics m(this->getHorizontalHeaderFont());
const int h = m.height();
return h;
}
bool CViewBaseNonTemplate::hasSelection() const
{
return this->selectionModel()->hasSelection();
}
QModelIndexList CViewBaseNonTemplate::selectedRows() const
{
// make sure this is ordered by row and wee keep the same order as in unselectedRows
// if we'd know for sure the indexes are always sorted we can remove the sorting here
// Qt docu selectedIndexes: Returns a list of all selected model item indexes. The list contains no duplicates, and is not sorted.
QModelIndexList indexes = this->selectionModel()->selectedRows();
std::sort(indexes.begin(), indexes.end());
return indexes;
}
QModelIndexList CViewBaseNonTemplate::unselectedRows() const
{
const QModelIndexList selected = this->selectedRows();
QModelIndexList unselected;
const int rows = this->rowCount();
for (int r = 0; r < rows; r++)
{
const QModelIndex mi = this->model()->index(r, 0);
if (selected.contains(mi)) { continue; }
unselected.push_back(mi);
}
return unselected;
}
void CViewBaseNonTemplate::selectRows(const QSet<int> &rows)
{
if (!this->selectionModel()) { return; }
// multiple times faster than multiple than this->selectRow()
this->clearSelection();
QItemSelection selectedItems;
const int columns = this->model()->columnCount() - 1;
for (int r : rows)
{
selectedItems.select(this->model()->index(r, 0), this->model()->index(r, columns));
}
this->selectionModel()->select(selectedItems, QItemSelectionModel::Select);
}
int CViewBaseNonTemplate::selectedRowCount() const
{
if (!this->hasSelection()) { return 0;}
return this->selectedRows().count();
}
int CViewBaseNonTemplate::unselectedRowCount() const
{
return this->rowCount() - this->selectedRowCount();
}
bool CViewBaseNonTemplate::hasSingleSelectedRow() const
{
return this->selectedRowCount() == 1;
}
bool CViewBaseNonTemplate::hasMultipleSelectedRows() const
{
return this->selectedRowCount() > 1;
}
bool CViewBaseNonTemplate::allowsMultipleSelectedRows() const
{
return m_originalSelectionMode == ExtendedSelection || m_originalSelectionMode == MultiSelection;
}
bool CViewBaseNonTemplate::isCurrentlyAllowingMultipleRowSelections() const
{
QAbstractItemView::SelectionMode m = this->selectionMode();
return m == QAbstractItemView::MultiSelection || m == QAbstractItemView::ExtendedSelection;
}
void CViewBaseNonTemplate::init()
{
this->horizontalHeader()->setSectionResizeMode(QHeaderView::Interactive); // faster mode
this->horizontalHeader()->setStretchLastSection(true);
const int fh = qRound(1.5 * this->getHorizontalHeaderFontHeight());
this->verticalHeader()->setDefaultSectionSize(fh); // for height
this->verticalHeader()->setMinimumSectionSize(fh); // for height
switch (m_rowResizeMode)
{
case Interactive: this->rowsResizeModeToInteractive(); break;
case Content: this->rowsResizeModeToContent(); break;
default:
Q_ASSERT_X(false, Q_FUNC_INFO, "wrong resize mode");
break;
}
// call this deferred, otherwise the values are overridden with any values
// from the UI builder
const QPointer<CViewBaseNonTemplate> guard(this);
QTimer::singleShot(500, this, [ = ]()
{
if (!guard) { return; }
CViewBaseNonTemplate::settingsChanged();
});
}
QString CViewBaseNonTemplate::getFileDialogFileName(bool load) const
{
// some logic to find a useful default name
if (load)
{
return CFileUtils::appendFilePaths(this->getRememberedLastJsonDirectory(), CFileUtils::jsonWildcardAppendix());
}
// Save file path
const QString dir = m_dirSettings.get().propertyByIndex(m_dirSettingsIndex).toQString();
QString name(m_saveFileName);
if (name.isEmpty())
{
// create a name
if (this->getDockWidgetInfoArea())
{
name = this->getDockWidgetInfoArea()->windowTitle();
}
else
{
name = this->metaObject()->className();
}
}
if (!name.endsWith(CFileUtils::jsonAppendix(), Qt::CaseInsensitive))
{
name += CFileUtils::jsonAppendix();
}
return CFileUtils::appendFilePaths(dir, name);
}
void CViewBaseNonTemplate::menuRemoveItems(Menu menusToRemove)
{
m_menus &= (~menusToRemove);
}
void CViewBaseNonTemplate::menuAddItems(Menu menusToAdd)
{
m_menus |= menusToAdd;
if (menusToAdd.testFlag(MenuRemoveSelectedRows))
{
m_enableDeleteSelectedRows = true;
}
}
void CViewBaseNonTemplate::displayFilterDialog()
{
if (!m_menus.testFlag(MenuFilter)) { return; }
if (!m_filterWidget) { return; }
m_filterWidget->show();
}
void CViewBaseNonTemplate::loadJsonAction()
{
if (!m_menus.testFlag(MenuLoad)) { return; }
const CStatusMessage m = this->loadJson();
if (!m.isEmpty())
{
CLogMessage::preformatted(m);
}
}
void CViewBaseNonTemplate::saveJsonAction()
{
if (this->isEmpty()) { return; }
if (!m_menus.testFlag(MenuSave)) { return; }
const CStatusMessage m = this->saveJson(false);
if (!m.isEmpty())
{
CLogMessage::preformatted(m);
}
}
void CViewBaseNonTemplate::saveSelectedJsonAction()
{
if (this->isEmpty()) { return; }
if (!m_menus.testFlag(MenuSave)) { return; }
const CStatusMessage m = this->saveJson(true);
if (!m.isEmpty())
{
CLogMessage::preformatted(m);
}
}
void CViewBaseNonTemplate::triggerReload()
{
this->showLoadIndicatorWithTimeout(m_loadIndicatorTimeoutMsDefault);
emit this->requestUpdate();
}
void CViewBaseNonTemplate::triggerReloadFromBackend()
{
this->showLoadIndicatorWithTimeout(m_loadIndicatorTimeoutMsDefault);
emit this->requestNewBackendData();
}
void CViewBaseNonTemplate::onModelChanged()
{
this->updateSortIndicator();
}
void CViewBaseNonTemplate::rowsResizeModeToInteractive()
{
const int height = this->verticalHeader()->minimumSectionSize();
QHeaderView *verticalHeader = this->verticalHeader();
Q_ASSERT_X(verticalHeader, Q_FUNC_INFO, "Missing vertical header");
verticalHeader->setSectionResizeMode(QHeaderView::Interactive);
verticalHeader->setDefaultSectionSize(height);
m_rowResizeMode = Interactive;
}
void CViewBaseNonTemplate::rowsResizeModeToContent()
{
QHeaderView *verticalHeader = this->verticalHeader();
Q_ASSERT(verticalHeader);
verticalHeader->setSectionResizeMode(QHeaderView::ResizeToContents);
m_rowResizeMode = Content;
}
void CViewBaseNonTemplate::rowsResizeModeBasedOnThreshold(int elements)
{
if (elements > ResizeRowsToContentThreshold)
{
this->rowsResizeModeToInteractive();
}
else
{
this->rowsResizeModeToContent();
}
}
int CViewBaseNonTemplate::showLoadIndicator(int containerSizeDependent, int timeoutMs, bool processEvents)
{
if (!m_enabledLoadIndicator) { return -1; }
if (m_showingLoadIndicator) { return -1; }
if (this->hasDockWidgetArea())
{
if (!this->isVisibleWidget()) { return -1; }
}
if (containerSizeDependent >= 0)
{
// really with indicator?
if (containerSizeDependent < ResizeSubsetThreshold) { return -1; }
}
m_showingLoadIndicator = true;
emit this->loadIndicatorVisibilityChanged(m_showingLoadIndicator);
if (!m_loadIndicator)
{
m_loadIndicator = new CLoadIndicator(64, 64, this);
connect(m_loadIndicator, &CLoadIndicator::timedOut, this, &CViewBaseNonTemplate::onLoadIndicatorTimedOut);
}
this->centerLoadIndicator();
return m_loadIndicator->startAnimation(timeoutMs > 0 ? timeoutMs : m_loadIndicatorTimeoutMsDefault, processEvents);
}
int CViewBaseNonTemplate::showLoadIndicatorWithTimeout(int timeoutMs, bool processEvents)
{
return this->showLoadIndicator(-1, timeoutMs, processEvents);
}
void CViewBaseNonTemplate::centerLoadIndicator()
{
if (!m_loadIndicator) { return; }
const QPoint middle = this->viewport()->geometry().center();
m_loadIndicator->centerLoadIndicator(middle);
}
void CViewBaseNonTemplate::hideLoadIndicator(int loadingId)
{
if (!m_showingLoadIndicator) { return; }
m_showingLoadIndicator = false;
emit this->loadIndicatorVisibilityChanged(m_showingLoadIndicator);
if (!m_loadIndicator) { return; }
m_loadIndicator->stopAnimation(loadingId);
}
bool CViewBaseNonTemplate::isResizeConditionMet(int containerSize) const
{
if (m_resizeMode == ResizingAlways) { return true; }
if (m_resizeMode == PresizeSubset) { return false; }
if (m_resizeMode == ResizingOff) { return false; }
if (m_resizeMode == ResizingOnce) { return m_resizeCount < 1; }
if (m_resizeMode == ResizingAuto)
{
if (reachedResizeThreshold(containerSize)) { return false; }
if (m_resizeAutoNthTime < 2) { return true; }
return (m_resizeCount % m_resizeAutoNthTime) == 0;
}
return false;
}
void CViewBaseNonTemplate::fullResizeToContents()
{
// resize to maximum magic trick from:
// http://stackoverflow.com/q/3433664/356726
this->setVisible(false);
const QRect vpOriginal = this->viewport()->geometry();
if (m_forceColumnsToMaxSize)
{
// vpNew.setWidth(std::numeric_limits<qint32>::max()); // largest finite value
const QRect screenGeometry = QApplication::desktop()->screenGeometry();
QRect vpNew = vpOriginal;
vpNew.setWidth(screenGeometry.width());
this->viewport()->setGeometry(vpNew);
}
this->resizeColumnsToContents(); // columns
// useless if mode is Interactive
if (m_rowResizeMode == Content)
{
this->resizeRowsToContents(); // rows
}
m_resizeCount++;
// re-stretch
if (m_forceStretchLastColumnWhenResized) { this->horizontalHeader()->setStretchLastSection(true); }
if (m_forceColumnsToMaxSize) { this->viewport()->setGeometry(vpOriginal); }
// if I store the original visibility and then
// set it back here, the whole view disappears
this->setVisible(true);
}
void CViewBaseNonTemplate::customMenuRequested(const QPoint &pos)
{
QMenu menu;
CMenuActions menuActions;
this->customMenu(menuActions);
if (menuActions.isEmpty()) { return; }
menuActions.toQMenu(menu, true);
// Nested dock widget menu
const CDockWidgetInfoArea *dockWidget = this->getDockWidgetInfoArea();
if (dockWidget)
{
if (!menu.isEmpty()) { menu.addSeparator(); }
const QString mm = QStringLiteral("Dock widget '%1'").arg(dockWidget->windowTitleOrBackup());
QMenu *dockWidgetSubMenu = menu.addMenu(CIcons::text16(), mm);
dockWidget->addToContextMenu(dockWidgetSubMenu);
}
const QPoint globalPos = this->mapToGlobal(pos);
menu.exec(globalPos);
}
void CViewBaseNonTemplate::onLoadIndicatorTimedOut()
{
m_showingLoadIndicator = false;
}
void CViewBaseNonTemplate::toggleResizeMode(bool checked)
{
m_resizeMode = checked ? ResizingAuto : ResizingOff;
}
void CViewBaseNonTemplate::toggleAutoDisplay()
{
const QAction *a = qobject_cast<const QAction *>(QObject::sender());
if (!a) { return; }
Q_ASSERT_X(a->isCheckable(), Q_FUNC_INFO, "object not checkable");
m_displayAutomatically = a->isChecked();
}
void CViewBaseNonTemplate::setSingleSelection()
{
this->setSelectionMode(SingleSelection);
}
void CViewBaseNonTemplate::setExtendedSelection()
{
if (this->allowsMultipleSelectedRows())
{
this->setSelectionMode(ExtendedSelection);
}
}
void CViewBaseNonTemplate::setMultiSelection()
{
if (this->allowsMultipleSelectedRows())
{
this->setSelectionMode(MultiSelection);
}
}
void CViewBaseNonTemplate::removeSelectedRowsChecked()
{
if (!m_enableDeleteSelectedRows) { return; }
this->removeSelectedRows();
}
void CViewBaseNonTemplate::dragEnterEvent(QDragEnterEvent *event)
{
if (!event || !this->acceptDrop(event->mimeData())) { return; }
this->setBackgroundRole(QPalette::Highlight);
event->acceptProposedAction();
}
void CViewBaseNonTemplate::dragMoveEvent(QDragMoveEvent *event)
{
if (!event || !this->acceptDrop(event->mimeData())) { return; }
event->acceptProposedAction();
}
void CViewBaseNonTemplate::dragLeaveEvent(QDragLeaveEvent *event)
{
if (!event) { return; }
event->accept();
}
void CViewBaseNonTemplate::dropEvent(QDropEvent *event)
{
if (!event) { return; }
QTableView::dropEvent(event);
}
int CViewBaseNonTemplate::getPresizeRandomElementsSize(int containerSize) const
{
containerSize = containerSize >= 0 ? containerSize : this->rowCount();
const int presizeRandomElements = containerSize > 1000 ? containerSize / 100 : containerSize / 40;
return presizeRandomElements;
}
} // namespace
} // namespace