implemented resetting page counter when changing project

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

src/main/java/de/srsoftware/belegscanner/gui/Toolbar.java

@@ -251,7 +251,10 @@ public class Toolbar extends JPanel {
 		date = new DateChooser();
 		Dimension dim = new Dimension(400, 250);
 		date.setMaximumSize(dim);
-		date.addActionListener(ev -> dateListeners.forEach(listener -> listener.setDate(date.getSelectedDate())));
+		date.addActionListener(ev -> {
+			resetPage();
+			dateListeners.forEach(listener -> listener.setDate(date.getSelectedDate()));
+		});
 		return date;
 	}
 	
@@ -353,6 +356,19 @@ public class Toolbar extends JPanel {
 		return panel;
 	}
 
+	public Toolbar resetPage(){
+		var page = t("PAGE");
+		var panel = additonalComponents.get(page);
+		if (panel == null) return this;
+		for (var child : panel.getComponents()){
+			if (child instanceof SelectComboBox scb){
+				scb.setText("1");
+				fieldListeners.forEach(l -> l.setField(page,"1"));
+			}
+		}
+		return this;
+	}
+
 	public Toolbar nextPage(){
 		var page = t("PAGE");
 		var panel = additonalComponents.get(page);
@@ -486,6 +502,7 @@ public class Toolbar extends JPanel {
 	 */
 	private void updateCat(String newCat) {
 		LOG.debug("updateCat({})",newCat);
+		resetPage();
 		categoryListeners.forEach(l -> l.setCategory(newCat));
 		LOG.debug("Listeners notified.");
 		if (!newCat.isEmpty()) {
@@ -553,6 +570,7 @@ public class Toolbar extends JPanel {
 	 */
 	protected void updatePath(String newPath) {
 		LOG.debug("updatePath({})",newPath);
+		resetPage();
 		pathListeners.forEach(l -> l.setPath(newPath));
 	}
 }