Add "Import dive sites" menu to mainwindow

Adds "Import->Import dive sites" menu to mainwindow.cpp and adds the
on_actionImportDiveSites_triggered() method to prompt for the filename
to import from. The files are parsed and then any dive and trip data is
cleared before opening a dialog box to select which sites are to be
imported.

Signed-off-by: Doug Junkins <junkins@foghead.com>

CHANGELOG.md

@@ -1,3 +1,4 @@
+- Desktop: Add import dive site menu option and site selection dialog
 - Core: fix bug in get_distance() to correctly compute spherical distance
 - Desktop: For videos, add save data export as subtitle file
 - Desktop: make dive sites 1st class citizens with their own dive site table

core/divelist.c

@@ -1292,7 +1292,7 @@ void clear_table(struct dive_table *table)
 	table->nr = 0;
 }
 
-static void clear_trip_table(struct trip_table *table)
+void clear_trip_table(struct trip_table *table)
 {
 	for (int i = 0; i < table->nr; i++)
 		free_trip(table->trips[i]);

core/divelist.h

@@ -69,6 +69,7 @@ void report_datafile_version(int version);
 int get_dive_id_closest_to(timestamp_t when);
 void clear_dive_file_data();
 void clear_table(struct dive_table *table);
+void clear_trip_table(struct trip_table *table);
 
 typedef enum {PO2VAL, SINGLE_EXP, SINGLE_SLOPE, DAILY_EXP, DAILY_SLOPE, NO_COLUMNS} cns_table_headers;
 

desktop-widgets/mainwindow.cpp

@@ -43,6 +43,7 @@
 #include "desktop-widgets/divelistview.h"
 #include "desktop-widgets/divelogexportdialog.h"
 #include "desktop-widgets/divelogimportdialog.h"
+#include "desktop-widgets/divesiteimportdialog.h"
 #include "desktop-widgets/diveplanner.h"
 #include "desktop-widgets/downloadfromdivecomputer.h"
 #include "desktop-widgets/findmovedimagesdialog.h"
@@ -1338,6 +1339,18 @@ QString MainWindow::filter_import()
 	return f;
 }
 
+QString MainWindow::filter_import_dive_sites()
+{
+	QString f = tr("Dive site files") +
+		    " (*.ssrf"
+		    " *.xml"
+		    ");;";
+
+	f += tr("All files") + " (*.*)";
+
+	return f;
+}
+
 bool MainWindow::askSaveChanges()
 {
 	QMessageBox response(this);
@@ -1748,6 +1761,37 @@ void MainWindow::on_actionImportDiveLog_triggered()
 	}
 }
 
+void MainWindow::on_actionImportDiveSites_triggered()
+{
+	QStringList fileNames = QFileDialog::getOpenFileNames(this, tr("Open dive site file"), lastUsedDir(), filter_import_dive_sites());
+
+	if (fileNames.isEmpty())
+		return;
+	updateLastUsedDir(QFileInfo(fileNames[0]).dir().path());
+
+	struct dive_table table = { 0 };
+	struct trip_table trips = { 0 };
+	struct dive_site_table sites = { 0 };
+
+	for (const QString &s: fileNames) {
+		QByteArray fileNamePtr = QFile::encodeName(s);
+		parse_file(fileNamePtr.data(), &table, &trips, &sites);
+	}
+	// The imported dive sites still have pointers to imported dives - remove them
+	for (int i = 0; i < sites.nr; ++i)
+		sites.dive_sites[i]->dives.nr = 0;
+
+	// Now we can clear the imported dives and trips.
+	clear_table(&table);
+	clear_trip_table(&trips);
+
+	QString source = fileNames.size() == 1 ? fileNames[0] : tr("multiple files");
+
+	// sites table will be cleared by DivesiteImportDialog constructor
+	DivesiteImportDialog divesiteImport(sites, source, this);
+	divesiteImport.exec();
+}
+
 void MainWindow::editCurrentDive()
 {
 	if (!current_dive)

desktop-widgets/mainwindow.h

@@ -139,6 +139,7 @@ slots:
 	void initialUiSetup();
 
 	void on_actionImportDiveLog_triggered();
+	void on_actionImportDiveSites_triggered();
 
 	/* TODO: Move those slots below to it's own class */
 	void on_actionExport_triggered();
@@ -192,6 +193,7 @@ private:
 	CurrentState stateBeforeEdit;
 	QString filter_open();
 	QString filter_import();
+	QString filter_import_dive_sites();
 	static MainWindow *m_Instance;
 	QString displayedFilename(QString fullFilename);
 	bool askSaveChanges();

desktop-widgets/mainwindow.ui

@@ -130,6 +130,7 @@
     </property>
     <addaction name="actionDownloadDC"/>
     <addaction name="actionImportDiveLog"/>
+    <addaction name="actionImportDiveSites"/>
     <addaction name="actionDivelogs_de"/>
    </widget>
    <widget class="QMenu" name="menu_Edit">
@@ -381,6 +382,17 @@
     <string notr="true">Ctrl+I</string>
    </property>
   </action>
+  <action name="actionImportDiveSites">
+   <property name="text">
+    <string>&amp;Import dive sites</string>
+   </property>
+   <property name="toolTip">
+    <string>Import dive sites from other users</string>
+   </property>
+   <property name="shortcut">
+    <string notr="true">Ctrl+J</string>
+   </property>
+  </action>
   <action name="actionDivelogs_de">
    <property name="text">
     <string>Import &amp;from divelogs.de</string>