trying to optimize a bit and improve looks

src/main/java/xyz/thastertyn/Scrape/JecnaScrape.java

@@ -1,10 +1,13 @@
 package xyz.thastertyn.Scrape;
 
 import java.io.IOException;
-import java.net.SocketTimeoutException;
-import java.net.UnknownHostException;
+
+import xyz.thastertyn.Types.Choice;
+import xyz.thastertyn.Types.Options;
 
 public abstract class JecnaScrape {
 	
-	public abstract void download() throws SocketTimeoutException, UnknownHostException, IOException;
+	public abstract Options[] getOptions();
+	public abstract void download(Choice choice) throws IOException;
+	public abstract void download() throws IOException;
 }

src/main/java/xyz/thastertyn/Scrape/Jidelna.java

@@ -1,5 +1,28 @@
 package xyz.thastertyn.Scrape;
 
-public class Jidelna {
+import java.io.IOException;
+
+import xyz.thastertyn.Types.Choice;
+import xyz.thastertyn.Types.Options;
+
+public class Jidelna extends JecnaScrape {
+
+	@Override
+	public Options[] getOptions() {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'getOptions'");
+	}
+
+	@Override
+	public void download(Choice choice) throws IOException {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'download'");
+	}
+
+	@Override
+	public void download() throws IOException {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'download'");
+	}
 	
 }

src/main/java/xyz/thastertyn/Scrape/OmluvnyList.java

@@ -1,7 +1,6 @@
 package xyz.thastertyn.Scrape;
 
 import java.io.IOException;
-import java.net.UnknownHostException;
 import java.util.ArrayList;
 
 import org.jsoup.nodes.Document;
@@ -9,12 +8,15 @@ import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
 
 import xyz.thastertyn.Tuples.Pair;
+import xyz.thastertyn.Types.Choice;
+import xyz.thastertyn.Types.Options;
 
-public class OmluvnyList {
+public class OmluvnyList extends JecnaScrape {
 	
 	private ArrayList<Pair<String, String>> data = new ArrayList<>();
 
-	public void downloadOmluvnyList() throws UnknownHostException, IOException
+	@Override
+	public void download() throws IOException
 	{
 		Document omluvnyListDokumentHTML = Downloader.download("https://www.spsejecna.cz/absence/student").get();
 
@@ -39,4 +41,16 @@ public class OmluvnyList {
 	{
 		return (!data.isEmpty()) ? data.toString() : null;
 	}
+
+	@Override
+	public Options[] getOptions() {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'getOptions'");
+	}
+
+	@Override
+	public void download(Choice choice) throws IOException {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'download'");
+	}
 }

src/main/java/xyz/thastertyn/Scrape/Rozvrh.java

@@ -9,10 +9,13 @@ import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
 
+import xyz.thastertyn.Types.Choice;
+import xyz.thastertyn.Types.Options;
+
 /**
  * Jeden radek v rozvrhu
  */
-public class Rozvrh {
+public class Rozvrh extends JecnaScrape {
 	
 	private String[][] rozvrh = new String[5][10];
 	
@@ -23,7 +26,8 @@ public class Rozvrh {
 	 * @throws UnknownHostException kdyz neni pripojeni k internetu
 	 * @throws IOException ostatni exceptiony nejsou dulezite, tak jsou zahrnuty v jednom
 	 */
-	public void downloadRozvrh() throws UnknownHostException, IOException
+	@Override
+	public void download() throws IOException
 	{
 		Document rozvrhDokumentHTML = Downloader.download("https://www.spsejecna.cz/timetable/class").get();
 
@@ -71,4 +75,16 @@ public class Rozvrh {
 
 		return s;
 	}
+
+	@Override
+	public Options[] getOptions() {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'getOptions'");
+	}
+
+	@Override
+	public void download(Choice choice) throws IOException {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'download'");
+	}
 }

src/main/java/xyz/thastertyn/Scrape/Sdeleni.java

@@ -8,11 +8,14 @@ import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
 
-public class Sdeleni {
+import xyz.thastertyn.Types.Choice;
+import xyz.thastertyn.Types.Options;
+
+public class Sdeleni extends JecnaScrape {
 	
 	ArrayList<String> sdeleniList = new ArrayList<>(); 
 
-	public void downloadSdeleni() throws UnknownHostException, IOException
+	public void download() throws UnknownHostException, IOException
 	{
 		Document sdeleniDoc = Downloader.download("https://www.spsejecna.cz/user-student/record-list").get();
 
@@ -43,4 +46,16 @@ public class Sdeleni {
 	{
 		return sdeleniList;
 	}
+
+	@Override
+	public Options[] getOptions() {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'getOptions'");
+	}
+
+	@Override
+	public void download(Choice choice) throws IOException {
+		// TODO Auto-generated method stub
+		throw new UnsupportedOperationException("Unimplemented method 'download'");
+	}
 }

src/main/java/xyz/thastertyn/Scrape/Znamky.java

@@ -16,7 +16,7 @@ import xyz.thastertyn.Types.Options;
 import xyz.thastertyn.Types.Predmet;
 import xyz.thastertyn.Types.Znamka;
 
-public class Znamky {
+public class Znamky extends JecnaScrape {
 
 	private boolean wasDownloaded;
 
@@ -27,12 +27,13 @@ public class Znamky {
 	private Options schoolYearOptions = new Options("Skolni R.");
 	private Options schoolHalfYearOptions = new Options("Pololeti");
 
-	public void downloadZnamky() throws UnknownHostException, IOException
+	public void download() throws UnknownHostException, IOException
 	{
 		download("https://www.spsejecna.cz/score/student");
 	}
 	
-	public void downloadZnamky(Choice choice) throws SocketTimeoutException, UnknownHostException, IOException
+	@Override
+	public void download(Choice choice) throws IOException
 	{
 		download(String.format(
 			"https://www.spsejecna.cz/score/student?schoolYearId=%s&schoolYearHalfId=%s", 

src/main/java/xyz/thastertyn/UserInterface/Content/JecnaContent.java

@@ -6,8 +6,10 @@ import com.googlecode.lanterna.gui2.Label;
 import com.googlecode.lanterna.gui2.Panel;
 import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
 
+import xyz.thastertyn.Scrape.JecnaScrape;
 import xyz.thastertyn.Types.Choice;
 import xyz.thastertyn.UserInterface.UpdateListener;
+import xyz.thastertyn.UserInterface.Dialogs.OptionsDialog;
 
 
 /**
@@ -22,8 +24,19 @@ public abstract class JecnaContent {
 
 	protected abstract void setGUI();
 	protected abstract void download(Choice choice) throws IOException;
-	public abstract void showOptions(final WindowBasedTextGUI textGUI) throws IOException;
 	public abstract void downloadDefault() throws IOException;
+	protected JecnaScrape scraper;
+
+	public void showOptions(WindowBasedTextGUI textGUI) throws IOException {
+		OptionsDialog d = new OptionsDialog(scraper.getOptions());
+
+		Choice c = d.showDialog(textGUI);
+
+		if(c != null)
+		{
+			download(c);
+		}
+	}
 
 	public Panel getPanel()
 	{

src/main/java/xyz/thastertyn/UserInterface/Content/OmluvnyList.java

@@ -1,7 +1,6 @@
 package xyz.thastertyn.UserInterface.Content;
 
 import java.io.IOException;
-import java.net.UnknownHostException;
 import java.util.ArrayList;
 
 import com.googlecode.lanterna.gui2.Label;
@@ -26,26 +25,26 @@ public class OmluvnyList extends JecnaContent{
 	}
 
 	@Override
-	public void downloadDefault()
+	public void downloadDefault() throws IOException
 	{
 		download(null);
 	}
 
 	@Override
-	protected void download(Choice choice)
+	protected void download(Choice choice) throws IOException
 	{
-		try{
-			omluvnyList.downloadOmluvnyList();
+		omluvnyList = new xyz.thastertyn.Scrape.OmluvnyList();
+		if(choice != null)
+		{
+			omluvnyList.download(choice);
+			setGUI();
+			listener.updatePanel();
+		}else{
+			omluvnyList.download();
 			setGUI();
-
-			hasStarted = true;
-		}catch(UnknownHostException e)
-		{
-			// omluvnyPanel.addComponent(new Label("A connection error occurred"));
-		}catch(IOException e)
-		{
-			// omluvnyPanel.addComponent(new Label("An error occurred"));
 		}
+
+		super.hasStarted = true;
 	}
 
 	@Override

src/main/java/xyz/thastertyn/UserInterface/Content/Rozvrh.java

@@ -41,7 +41,7 @@ public class Rozvrh extends JecnaContent {
 	protected void download(Choice choice)
 	{
 		try{
-			rozvrh.downloadRozvrh();
+			rozvrh.download();
 			setGUI();
 
 			hasStarted = true;

src/main/java/xyz/thastertyn/UserInterface/Content/Sdeleni.java

@@ -8,7 +8,6 @@ import java.util.ArrayList;
 import com.googlecode.lanterna.gui2.GridLayout;
 import com.googlecode.lanterna.gui2.Label;
 import com.googlecode.lanterna.gui2.Panel;
-import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
 
 import xyz.thastertyn.Types.Choice;
 import xyz.thastertyn.UserInterface.UpdateListener;
@@ -20,33 +19,35 @@ public class Sdeleni extends JecnaContent {
 
 	private xyz.thastertyn.Scrape.Sdeleni sdeleni = new xyz.thastertyn.Scrape.Sdeleni();
 	
-	private boolean hasStarted = false;
-
 	public Sdeleni(UpdateListener listener)
 	{
+		super.mainPanel = this.mainPanel;
+		super.borderLabel = this.borderLabel;
+		super.scraper = this.sdeleni;
 		this.listener = listener;
 	}
 
 	@Override
-	public void downloadDefault()
+	public void downloadDefault() throws IOException
 	{
 		download(null);
 	}
 
 	@Override
-	protected void download(Choice choice)
+	protected void download(Choice choice) throws IOException
 	{
-		try{
-			sdeleni.downloadSdeleni();
-
-			hasStarted = true;
-		}catch(UnknownHostException e)
+		sdeleni = new xyz.thastertyn.Scrape.Sdeleni();
+		if(choice != null)
 		{
-
-		}catch(IOException e)
-		{
-			
+			sdeleni.download(choice);
+			setGUI();
+			listener.updatePanel();
+		}else{
+			sdeleni.download();
+			setGUI();
 		}
+
+		super.hasStarted = true;
 	}
 
 	@Override
@@ -58,30 +59,6 @@ public class Sdeleni extends JecnaContent {
 
 		ArrayList<String> sdeleniList = sdeleni.getSdeleni();
 
-		for(String s : sdeleniList)
-		{
-			sdeleniPanel.addComponent(new Label(s));
-		}
-	}
-
-	@Override
-	public Label getLabel() {
-		return borderLabel;
-	}
-
-	@Override
-	public Panel getPanel() {
-		return sdeleniPanel;
-	}
-
-	@Override
-	public boolean hasStarted() {
-		return hasStarted;
-	}
-
-	@Override
-	public void showOptions(WindowBasedTextGUI textGUI) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'getOptions'");
+		sdeleniList.forEach(s -> sdeleniPanel.addComponent(new Label(s)));
 	}
 }

src/main/java/xyz/thastertyn/UserInterface/Content/Znamky.java

@@ -13,13 +13,11 @@ import com.googlecode.lanterna.gui2.Label;
 import com.googlecode.lanterna.gui2.LayoutData;
 import com.googlecode.lanterna.gui2.LinearLayout;
 import com.googlecode.lanterna.gui2.Panel;
-import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
 
 import xyz.thastertyn.Types.Choice;
 import xyz.thastertyn.Types.Predmet;
 import xyz.thastertyn.Types.Znamka;
 import xyz.thastertyn.UserInterface.UpdateListener;
-import xyz.thastertyn.UserInterface.Dialogs.OptionsDialog;
 
 public class Znamky extends JecnaContent {
 
@@ -53,6 +51,7 @@ public class Znamky extends JecnaContent {
 	{
 		super.mainPanel = this.mainPanel;
 		super.borderLabel = this.borderLabel;
+		super.scraper = this.znamky;
 		this.listener = listener;
 	}
 
@@ -68,11 +67,11 @@ public class Znamky extends JecnaContent {
 		znamky = new xyz.thastertyn.Scrape.Znamky();
 		if(choice != null)
 		{
-			znamky.downloadZnamky(choice);
+			znamky.download(choice);
 			setGUI();
 			listener.updatePanel();
 		}else{
-			znamky.downloadZnamky();
+			znamky.download();
 			setGUI();
 		}
 
@@ -148,16 +147,4 @@ public class Znamky extends JecnaContent {
 			vysledneZnamky.addComponent(vysl);
 		}
 	}
-
-	@Override
-	public void showOptions(WindowBasedTextGUI textGUI) throws IOException {
-		OptionsDialog d = new OptionsDialog(znamky.getOptions());
-
-		Choice c = d.showDialog(textGUI);
-
-		if(c != null)
-		{
-			download(c);
-		}
-	}
 }

src/main/java/xyz/thastertyn/UserInterface/Dialogs/OptionsDialog.java

@@ -3,7 +3,7 @@ package xyz.thastertyn.UserInterface.Dialogs;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-
+import java.util.stream.Collectors;
 
 import com.googlecode.lanterna.gui2.Button;
 import com.googlecode.lanterna.gui2.ComboBox;
@@ -94,7 +94,8 @@ public class OptionsDialog extends DialogWindow {
 			// User pressed Ok
 			new Choice(boxs.stream()
 				.map(box -> box.getSelectedItem().getValue())
-				.toList())
+				.collect(Collectors.toList()))
+				// Why did .toList() stop working?
 			:
 			// User pressed Cancel
 			null;