From 8e6cc9b8d0dd5d312440b3329ee0dc4c5a133f4e Mon Sep 17 00:00:00 2001
From: Dirk Hohndel <dirk@hohndel.org>
Date: Sat, 11 Jan 2020 15:26:13 -0800
Subject: [PATCH] mobile UI: make the text of the undo/redo action available to
 QML

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 mobile-widgets/qmlmanager.cpp | 25 ++++++++++++++++++++++++-
 mobile-widgets/qmlmanager.h   |  8 ++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/mobile-widgets/qmlmanager.cpp b/mobile-widgets/qmlmanager.cpp
index f9fdb3a87..81806ddea 100644
--- a/mobile-widgets/qmlmanager.cpp
+++ b/mobile-widgets/qmlmanager.cpp
@@ -16,6 +16,7 @@
 #include <QFile>
 #include <QtConcurrent>
 #include <QFuture>
+#include <QUndoStack>
 
 #include <QBluetoothLocalDevice>
 
@@ -269,6 +270,10 @@ QMLManager::QMLManager() : m_locationServiceEnabled(false),
 	// careful - changing verbose at runtime isn't enough (of course that could be added if we want it)
 	if (verbose)
 		connect(&diveListNotifier, &DiveListNotifier::divesChanged, this, &QMLManager::divesChanged);
+
+	// get updates to the undo/redo texts
+	connect(Command::getUndoStack(), &QUndoStack::undoTextChanged, this, &QMLManager::undoTextChanged);
+	connect(Command::getUndoStack(), &QUndoStack::redoTextChanged, this, &QMLManager::redoTextChanged);
 }
 
 void QMLManager::applicationStateChanged(Qt::ApplicationState state)
@@ -1392,7 +1397,13 @@ void QMLManager::saveChangesCloud(bool forceRemoteSync)
 
 void QMLManager::undoDelete(int)
 {
-	undoAction->activate(QAction::Trigger);
+	Command::getUndoStack()->undo();
+	changesNeedSaving();
+}
+
+void QMLManager::redo()
+{
+	Command::getUndoStack()->redo();
 	changesNeedSaving();
 }
 
@@ -2199,3 +2210,15 @@ void QMLManager::divesChanged(const QVector<dive *> &dives, DiveField field)
 		// invalidate_dive_cache(d);
 	}
 }
+
+QString QMLManager::getUndoText() const
+{
+	QString undoText = Command::getUndoStack()->undoText();
+	return undoText;
+}
+
+QString QMLManager::getRedoText() const
+{
+	QString redoText = Command::getUndoStack()->redoText();
+	return redoText;
+}
diff --git a/mobile-widgets/qmlmanager.h b/mobile-widgets/qmlmanager.h
index 0ab1ff981..c0a5c65c4 100644
--- a/mobile-widgets/qmlmanager.h
+++ b/mobile-widgets/qmlmanager.h
@@ -51,6 +51,8 @@ class QMLManager : public QObject {
 	Q_PROPERTY(QString pluggedInDeviceName MEMBER m_pluggedInDeviceName NOTIFY pluggedInDeviceNameChanged)
 	Q_PROPERTY(bool showNonDiveComputers MEMBER m_showNonDiveComputers WRITE setShowNonDiveComputers NOTIFY showNonDiveComputersChanged)
 	Q_PROPERTY(qPrefCloudStorage::cloud_status oldStatus MEMBER m_oldStatus WRITE setOldStatus NOTIFY oldStatusChanged)
+	Q_PROPERTY(QString undoText READ getUndoText NOTIFY undoTextChanged) // this is a read-only property
+	Q_PROPERTY(QString redoText READ getRedoText NOTIFY redoTextChanged) // this is a read-only property
 
 public:
 	QMLManager();
@@ -98,6 +100,9 @@ public:
 	int DC_deviceId() const;
 	void DC_setDeviceId(int deviceId);
 
+	QString getUndoText() const;
+	QString getRedoText() const;
+
 	Q_INVOKABLE QStringList getProductListFromVendor(const QString& vendor);
 	Q_INVOKABLE int getMatchingAddress(const QString &vendor, const QString &product);
 	Q_INVOKABLE int getDetectedVendorIndex();
@@ -191,6 +196,7 @@ public slots:
 	bool toggleCylinders(bool toggle);
 	bool toggleWeights(bool toggle);
 	void undoDelete(int id);
+	void redo();
 	int addDive();
 	void applyGpsData();
 	void populateGpsData();
@@ -286,6 +292,8 @@ signals:
 	void showNonDiveComputersChanged();
 	void DC_ForceDownloadChanged();
 	void oldStatusChanged();
+	void undoTextChanged();
+	void redoTextChanged();
 
 	// From upload process
 	void uploadFinish(bool success, const QString &text);