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refs #535, made views drop capable

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* drop base added
* and adjusted
This commit is contained in:
Klaus Basan
2015-12-17 20:04:53 +01:00
parent 3d68bfbbba
commit 24788b03c6
3 changed files with 109 additions and 34 deletions
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4
src/blackgui/dropbase.h
View File

@@ -32,10 +32,10 @@ namespace BlackGui
void addAcceptedMetaTypeId(int id);
//! Drop allowed
bool isDropAllowed() const;
virtual bool isDropAllowed() const;
//! Drop allowed
void allowDrop(bool allowed);
virtual void allowDrop(bool allowed);
//! Mime data to CVariant (normally encapsulating a value object)
BlackMisc::CVariant toCVariant(const QMimeData *mime) const;

105
src/blackgui/views/viewbase.cpp
View File

@@ -11,6 +11,7 @@
#include "blackgui/models/allmodels.h"
#include "blackgui/stylesheetutility.h"
#include "blackgui/guiutility.h"
#include "blackgui/shortcut.h"
#include "blackcore/registermetadata.h"
#include <QHeaderView>
@@ -33,7 +34,8 @@ namespace BlackGui
{
namespace Views
{
CViewBaseNonTemplate::CViewBaseNonTemplate(QWidget *parent) : QTableView(parent)
CViewBaseNonTemplate::CViewBaseNonTemplate(QWidget *parent) :
QTableView(parent)
{
this->setContextMenuPolicy(Qt::CustomContextMenu);
connect(this, &QWidget::customContextMenuRequested, this, &CViewBaseNonTemplate::ps_customMenuRequested);
@@ -45,10 +47,17 @@ namespace BlackGui
this->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
this->setWordWrap(true);
QShortcut *filter = new QShortcut(FilterKey, this);
bool c = connect(filter, &QShortcut::activated, this, &CViewBaseNonTemplate::ps_displayFilterDialog);
Q_ASSERT(c);
Q_UNUSED(c);
QShortcut *filter = new QShortcut(CShortcut::keyDisplayFilter(), this, SLOT(ps_displayFilterDialog()), nullptr, Qt::WidgetShortcut);
filter->setObjectName("Filter shortcut for " + this->objectName());
QShortcut *clearSelection = new QShortcut(CShortcut::keyClearSelection(), this, SLOT(clearSelection()), nullptr, Qt::WidgetShortcut);
clearSelection->setObjectName("Cleat selection shortcut for " + this->objectName());
}
bool CViewBaseNonTemplate::setParentDockWidgetInfoArea(CDockWidgetInfoArea *parentDockableWidget)
{
bool c = CEnableForDockWidgetInfoArea::setParentDockWidgetInfoArea(parentDockableWidget);
return c;
}
void CViewBaseNonTemplate::resizeToContents()
@@ -93,26 +102,6 @@ namespace BlackGui
}
}
void CViewBaseNonTemplate::setCustomMenu(IMenuDelegate *menu, bool nestPreviousMenu)
{
if (menu && nestPreviousMenu)
{
// new menu with nesting
menu->setNestedDelegate(this->m_menu);
m_menu = menu;
}
else if (!menu && nestPreviousMenu)
{
// nested new menu
m_menu = m_menu->getNestedDelegate();
}
else
{
// no nesting
m_menu = menu;
}
}
void CViewBaseNonTemplate::enableLoadIndicator(bool enable)
{
m_enabledLoadIndicator = enable;
@@ -138,6 +127,26 @@ namespace BlackGui
return CGuiUtility::mainApplicationWindowWidget();
}
void CViewBaseNonTemplate::setCustomMenu(IMenuDelegate *menu, bool nestPreviousMenu)
{
if (menu && nestPreviousMenu)
{
// new menu with nesting
menu->setNestedDelegate(this->m_menu);
m_menu = menu;
}
else if (!menu && nestPreviousMenu)
{
// nested new menu
m_menu = m_menu->getNestedDelegate();
}
else
{
// no nesting
m_menu = menu;
}
}
void CViewBaseNonTemplate::customMenu(QMenu &menu) const
{
// delegate?
@@ -158,11 +167,20 @@ namespace BlackGui
if (this->m_withMenuFilter)
{
menu.addAction(BlackMisc::CIcons::tableSheet16(), "Filter", this, SLOT(ps_displayFilterDialog()), FilterKey);
menu.addAction(BlackMisc::CIcons::tableSheet16(), "Filter", this, SLOT(ps_displayFilterDialog()), CShortcut::keyDisplayFilter());
menu.addAction(BlackMisc::CIcons::tableSheet16(), "Remove Filter", this, SLOT(ps_removeFilter()));
}
if (!menu.isEmpty()) { menu.addSeparator(); }
// selection menus
SelectionMode sm = this->selectionMode();
if (sm == MultiSelection || sm == ExtendedSelection)
{
menu.addAction(BlackMisc::CIcons::empty16(), "Select all", this, SLOT(selectAll()), Qt::CTRL + Qt::Key_A);
}
menu.addAction(BlackMisc::CIcons::empty16(), "Clear selection", this, SLOT(clearSelection()), CShortcut::keyClearSelection());
if (!menu.isEmpty()) { menu.addSeparator(); }
// resizing
menu.addAction(BlackMisc::CIcons::resize16(), "Full resize", this, SLOT(fullResizeToContents()));
if (m_rowResizeMode == Interactive)
@@ -216,6 +234,17 @@ namespace BlackGui
this->setAcceptDrops(allowDrop);
this->setDragEnabled(allowDrag);
this->setDropIndicatorShown(allowDrop);
CDropBase::allowDrop(allowDrop);
}
void CViewBaseNonTemplate::allowDrop(bool allow)
{
this->allowDragDropValueObjects(this->dragEnabled(), allow);
}
bool CViewBaseNonTemplate::isDropAllowed() const
{
return this->acceptDrops();
}
int CViewBaseNonTemplate::getHorizontalHeaderFontHeight() const
@@ -441,6 +470,30 @@ namespace BlackGui
this->update();
}
void CViewBaseNonTemplate::dragEnterEvent(QDragEnterEvent *event)
{
if (!event || !acceptDrop(event->mimeData())) { return; }
setBackgroundRole(QPalette::Highlight);
event->acceptProposedAction();
}
void CViewBaseNonTemplate::dragMoveEvent(QDragMoveEvent *event)
{
if (!event || !acceptDrop(event->mimeData())) { return; }
event->acceptProposedAction();
}
void CViewBaseNonTemplate::dragLeaveEvent(QDragLeaveEvent *event)
{
if (!event) { return; }
event->accept();
}
void CViewBaseNonTemplate::dropEvent(QDropEvent *event)
{
Q_UNUSED(event);
}
template <class ModelClass, class ContainerType, class ObjectType>
CViewBase<ModelClass, ContainerType, ObjectType>::CViewBase(QWidget *parent, ModelClass *model) : CViewBaseNonTemplate(parent), m_model(model)
{

34
src/blackgui/views/viewbase.h
View File

@@ -18,6 +18,7 @@
#include "blackgui/models/modelfilter.h"
#include "blackgui/menudelegate.h"
#include "blackgui/loadindicator.h"
#include "blackgui/dropbase.h"
#include "blackgui/blackguiexport.h"
#include "blackmisc/icons.h"
#include "blackmisc/worker.h"
@@ -37,7 +38,9 @@ namespace BlackGui
{
//! Non templated base class, allows Q_OBJECT and signals / slots to be used
class BLACKGUI_EXPORT CViewBaseNonTemplate :
public QTableView, public BlackGui::Components::CEnableForDockWidgetInfoArea
public QTableView,
public BlackGui::Components::CEnableForDockWidgetInfoArea,
public BlackGui::CDropBase
{
Q_OBJECT
@@ -74,6 +77,15 @@ namespace BlackGui
//! Allow to drag and/or drop value objects
virtual void allowDragDropValueObjects(bool allowDrag, bool allowDrop);
//! \copydoc CDockWidget::allowDrop
virtual void allowDrop(bool allow) override;
//! \copydoc CDockWidget::isDropAllowed
virtual bool isDropAllowed() const override;
//! \copydoc CEnableForDockWidgetInfoArea::setParentDockWidgetInfoArea
virtual bool setParentDockWidgetInfoArea(BlackGui::CDockWidgetInfoArea *parentDockableWidget);
//! Resize mode
ResizeMode getResizeMode() const { return m_resizeMode; }
@@ -153,7 +165,7 @@ namespace BlackGui
//! Number of elements changed
void rowCountChanged(int count, bool withFilter);
// Model changed
//! Model bas been changed
void modelChanged();
//! Single object was changed in model
@@ -201,6 +213,18 @@ namespace BlackGui
//! \copydoc QTableView::showEvent
virtual void showEvent(QShowEvent *event) override;
//! \copydoc QTableView::dragEnterEvent
virtual void dragEnterEvent(QDragEnterEvent *event) override;
//! \copydoc QTableView::dragMoveEvent
virtual void dragMoveEvent(QDragMoveEvent *event) override;
//! \copydoc QTableView::dragLeaveEvent
virtual void dragLeaveEvent(QDragLeaveEvent *event) override;
//! \copydoc QTableView::dropEvent
virtual void dropEvent(QDropEvent *event) override;
//! Perform resizing / non slot method for template
virtual void performModeBasedResizeToContent() = 0;
@@ -239,10 +263,8 @@ namespace BlackGui
bool m_acceptRowSelected = false; //!< selection changed
bool m_acceptDoubleClickSelection = false; //!< double clicked
bool m_displayAutomatically = true; //!< display directly when loaded
QWidget *m_filterWidget = nullptr; //!< filter widget if any
const QKeySequence FilterKey {Qt::CTRL + Qt::Key_F}; //!< shortcut filter
BlackGui::IMenuDelegate *m_menu = nullptr; //!< custom menu if any
QWidget *m_filterWidget = nullptr; //!< filter widget if any
BlackGui::IMenuDelegate *m_menu = nullptr; //!< custom menu if any
BlackGui::CLoadIndicator *m_loadIndicator = nullptr; //!< load indicator if neeeded
protected slots: