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Allow clicking cells with foreign key in order to jump to referenced cell

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Add a tooltip to the database browser when you hover a cell with a
foreign key set in order to show the referenced table and column.

When clicking on such a cell while holding the Ctrl and Shift key (only
one of them won't work because they are for multiselection and Alt
doesn't do the trick on my system because it's just for grabbing and
moving the window) try to jump to the table and row which is referenced
in the clicked cell.

See issue #192.
This commit is contained in:
Martin Kleusberg
2015-06-21 23:55:55 +02:00
parent 9dc59086a6
commit 39a49e33c2
9 changed files with 92 additions and 3 deletions
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15
src/ExtendedTableWidget.cpp
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@@ -1,6 +1,7 @@
#include "ExtendedTableWidget.h"
#include "sqlitetablemodel.h"
#include "FilterTableHeader.h"
#include "sqlitetypes.h"
#include <QApplication>
#include <QClipboard>
@@ -15,6 +16,7 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
setHorizontalScrollMode(ExtendedTableWidget::ScrollPerPixel);
connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(vscrollbarChanged(int)));
connect(this, SIGNAL(clicked(QModelIndex)), this, SLOT(cellClicked(QModelIndex)));
// Set up filter row
m_tableHeader = new FilterTableHeader(this);
@@ -125,3 +127,16 @@ QSet<int> ExtendedTableWidget::selectedCols()
selectedCols.insert(idx.column());
return selectedCols;
}
void ExtendedTableWidget::cellClicked(const QModelIndex& index)
{
// If Alt key is pressed try to jump to the row referenced by the foreign key of the clicked cell
if(qApp->keyboardModifiers().testFlag(Qt::ControlModifier) && qApp->keyboardModifiers().testFlag(Qt::ShiftModifier) && model())
{
SqliteTableModel* m = qobject_cast<SqliteTableModel*>(model());
sqlb::ForeignKeyClause fk = m->getForeignKeyClause(index.column()-1);
if(fk.isSet())
emit foreignKeyClicked(fk.table(), fk.columns().size() ? fk.columns().at(0) : "", m->data(index, Qt::EditRole).toByteArray());
}
}