Undo: Implement undo of dive site name editing

Implement an undo command that edits the name of a dive site.
Connect it to the dive site table, so that names can be edited
directly in the table.

Send signals on undo / redo so that the dive site table and
the dive site edit widget can be updated.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 15 insertions, 0 deletions

diff --git a/desktop-widgets/locationinformation.cpp b/desktop-widgets/locationinformation.cpp
index ea52dd8c6..d827f5006 100644
--- a/desktop-widgets/locationinformation.cpp
+++ b/desktop-widgets/locationinformation.cpp
@@ -8,6 +8,7 @@
 #include "qt-models/filtermodels.h"
 #include "core/divesitehelpers.h"
 #include "desktop-widgets/modeldelegates.h"
+#include "core/subsurface-qt/DiveListNotifier.h"
 
 #include <QDebug>
 #include <QShowEvent>
@@ -38,6 +39,8 @@ LocationInformationWidget::LocationInformationWidget(QWidget *parent) : QGroupBo
 	connect(ui.diveSiteCoordinates, SIGNAL(returnPressed()), this, SLOT(updateLocationOnMap()));
 	ui.diveSiteCoordinates->installEventFilter(this);
 
+	connect(&diveListNotifier, &DiveListNotifier::diveSiteChanged, this, &LocationInformationWidget::diveSiteChanged);
+
 	ui.diveSiteListView->setModel(&filter_model);
 	ui.diveSiteListView->setModelColumn(LocationInformationModel::NAME);
 	ui.diveSiteListView->installEventFilter(this);
@@ -121,6 +124,18 @@ void LocationInformationWidget::updateLabels()
 	ui.locationTags->setText(constructLocationTags(&taxonomy, false));
 }
 
+void LocationInformationWidget::diveSiteChanged(struct dive_site *ds, int field)
+{
+	if (diveSite != ds)
+		return; // A different dive site was changed -> do nothing.
+	switch (field) {
+	case LocationInformationModel::NAME:
+		ui.diveSiteName->setText(diveSite->name);
+	default:
+		return;
+	}
+}
+
 void LocationInformationWidget::clearLabels()
 {
 	ui.diveSiteName->clear();