Tabs, rozvrh + znamky tabs

.vscode/launch.json

@@ -0,0 +1,21 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"type": "java",
+			"name": "Launch Current File",
+			"request": "launch",
+			"mainClass": "${file}"
+		},
+		{
+			"type": "java",
+			"name": "Launch App",
+			"request": "launch",
+			"mainClass": "xyz.thastertyn.App",
+			"projectName": "jecnak-tui"
+		}
+	]
+}

src/main/java/xyz/thastertyn/App.java

@@ -1,6 +1,5 @@
 package xyz.thastertyn;
 
-import xyz.thastertyn.Jecna.*;
 import xyz.thastertyn.Window.MainWindow;
 
 /**
@@ -20,49 +19,7 @@ public class App {
 
             
             
-            //#region Jidelna
 
-            //#region JSESSIONID
-            Connection.Response jidelna = Jsoup.connect("https://objednavky.jidelnasokolska.cz/")
-            .header("Connection", "keep-alive")
-            .method(Method.HEAD)
-            .execute();
-
-            String jidelnaJSESSIONID = jidelna.cookie("JSESSIONID");
-            String XSRF_TOKEN = jidelna.cookie("XSRF-TOKEN");
-            //#endregion
-
-            //#region CSRF
-            String csrf = Jsoup.connect("https://objednavky.jidelnasokolska.cz/faces/login.jsp")
-            .header("Connection", "keep-alive")
-            .cookie("XSRF-TOKEN", XSRF_TOKEN)
-            .cookie("JSESSIONID", jidelnaJSESSIONID)
-            .get()
-            .select("input[name=_csrf]")
-            .attr("value");
-
-
-            if(!XSRF_TOKEN.equals(csrf))
-            {
-                throw new SecurityException("CSRF tokens do not match, something is up");
-            }
-            //#endregion
-
-            //#region Login
-            Connection.Response jidelnaLogin = Jsoup.connect("https://objednavky.jidelnasokolska.cz/j_spring_security_check")
-            .header("Connection", "keep-alive")
-            .header("Content-Type", "application/x-www-form-urlencoded")
-            .cookie("XSRF-TOKEN", XSRF_TOKEN)
-            .cookie("JSESSIONID", jidelnaJSESSIONID)
-            .data("j_username", Credentials.user)
-            .data("j_password", Credentials.pass)
-            .data("terminal", "false")
-            .data("type", "web")
-            .data("_csrf", XSRF_TOKEN)
-            .data("targetUrl", "/faces/secured/main.jsp?terminal=false&status=true&printer=false&keyboard=false")
-            .method(Method.POST)
-            .execute();
-            //#endregion
 
             Document obedy = Jsoup.connect("https://objednavky.jidelnasokolska.cz/faces/secured/month.jsp?terminal=false&keyboard=&printer=")
             .header("Connection", "keep-alive")

src/main/java/xyz/thastertyn/Connection.java

@@ -1,15 +0,0 @@
-package xyz.thastertyn;
-
-import org.jsoup.Jsoup;
-
-public class Connection {
-	
-	private static final org.jsoup.Connection CONNECTION = Jsoup.connect("")
-	.header("Connection", "keep-alive")
-	.cookie("role", "student");
-
-	public static org.jsoup.Connection getConnection()
-	{
-		return CONNECTION;
-	}
-}

src/main/java/xyz/thastertyn/Download.java

@@ -1,5 +0,0 @@
-package xyz.thastertyn;
-
-public class Download {
-	
-}

src/main/java/xyz/thastertyn/Jecna/Dochazka.java

@@ -3,9 +3,9 @@ package xyz.thastertyn.Jecna;
 import java.io.IOException;
 import java.util.HashMap;
 
+import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 
-import xyz.thastertyn.Connection;
 import xyz.thastertyn.Tuple.Pair;
 
 public class Dochazka {
@@ -18,9 +18,10 @@ public class Dochazka {
 
 		try {
 			// absence-list
-			absenceDoc = Connection.getConnection()
+			absenceDoc = Jsoup.connect("https://www.spsejecna.cz" + "/absence/passing-student")
 			.cookie("JSESSIOND", JSESSIOND)
-			.url("https://www.spsejecna.cz" + "/absence/passing-student")
+			.cookie("role", "student")
+			.header("Connection", "keep-alive")
 			.get();
 		} catch (IOException e) {
 			e.printStackTrace();

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

@@ -0,0 +1,5 @@
+package xyz.thastertyn.Jecna;
+
+public class Jidelna {
+	
+}

src/main/java/xyz/thastertyn/Jecna/Login.java

@@ -4,9 +4,12 @@ import java.io.File;
 import java.io.IOException;
 import java.net.UnknownHostException;
 
+import javax.security.auth.login.CredentialException;
+
 import org.jsoup.Connection;
 import org.jsoup.Jsoup;
 import org.jsoup.Connection.Method;
+import org.jsoup.nodes.Document;
 
 public class Login {
 
@@ -23,7 +26,7 @@ public class Login {
 	 * <li> {@code false} neexistuje, nebo jsou prazdne </li>
 	 * </ul>
 	 */
-	public boolean getCredentials()
+	public boolean checkForCredentials()
 	{
 		File credentials = null;
 
@@ -67,9 +70,8 @@ public class Login {
 		return Jsessionid;
 	}
 
-	public byte login(String user, String pass)
+	public void loginJecna(String user, String pass) throws UnknownHostException, IOException, CredentialException
 	{
-		try {
 			//#region JSESSIONID
 			Connection.Response response = Jsoup.connect("https://www.spsejecna.cz")
 			.header("Connection", "keep-alive")
@@ -89,7 +91,7 @@ public class Login {
 			//#endregion
 
 			//#region Login
-			Connection.Response login = Jsoup.connect("https://www.spsejecna.cz/user/login")
+			Jsoup.connect("https://www.spsejecna.cz/user/login")
 			.method(Connection.Method.POST)
 			.header("Content-Type", "application/x-www-form-urlencoded")
 			//.header("Content-Length", "71") Adds 10 seconds to total request time
@@ -105,17 +107,63 @@ public class Login {
 			.execute();
 			//#endregion
 
+			Document test = Jsoup.connect("https://www.spsejecna.cz/score/student")
+			.header("Connection", "keep-alive")
+			.cookie("JSESSIONID", Jsessionid)
+			.cookie("role", "student")
+			.get();
+
+			if(test.toString().contains("Pro pokračování se přihlaste do systému"))
+			{
+				throw new CredentialException("Incorrect username or password");
+			}
+
 			start = System.currentTimeMillis() / 1000L;
 			lastCheck = start;
+	}
 
-			return 0;
-		} catch(UnknownHostException e)
-		{
-			// Not connected to internet
-			return 127;
-		} catch(IOException e)
-		{
-			return 126;
-		}
+	public void loginJidelna() throws UnknownHostException, IOException
+	{
+            //#region JSESSIONID
+            Connection.Response jidelna = Jsoup.connect("https://objednavky.jidelnasokolska.cz/")
+            .header("Connection", "keep-alive")
+            .method(Method.HEAD)
+            .execute();
+
+            String jidelnaJSESSIONID = jidelna.cookie("JSESSIONID");
+            String XSRF_TOKEN = jidelna.cookie("XSRF-TOKEN");
+            //#endregion
+
+            //#region CSRF
+            String csrf = Jsoup.connect("https://objednavky.jidelnasokolska.cz/faces/login.jsp")
+            .header("Connection", "keep-alive")
+            .cookie("XSRF-TOKEN", XSRF_TOKEN)
+            .cookie("JSESSIONID", jidelnaJSESSIONID)
+            .get()
+            .select("input[name=_csrf]")
+            .attr("value");
+
+
+            if(!XSRF_TOKEN.equals(csrf))
+            {
+                throw new SecurityException("CSRF tokens do not match, something is up");
+            }
+            //#endregion
+
+            //#region Login
+            Connection.Response jidelnaLogin = Jsoup.connect("https://objednavky.jidelnasokolska.cz/j_spring_security_check")
+            .header("Connection", "keep-alive")
+            .header("Content-Type", "application/x-www-form-urlencoded")
+            .cookie("XSRF-TOKEN", XSRF_TOKEN)
+            .cookie("JSESSIONID", jidelnaJSESSIONID)
+            .data("j_username", Credentials.user)
+            .data("j_password", Credentials.pass)
+            .data("terminal", "false")
+            .data("type", "web")
+            .data("_csrf", XSRF_TOKEN)
+            .data("targetUrl", "/faces/secured/main.jsp?terminal=false&status=true&printer=false&keyboard=false")
+            .method(Method.POST)
+            .execute();
+            //#endregion
 	}
 }

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

@@ -1,9 +1,10 @@
 package xyz.thastertyn.Jecna;
 
 import java.io.IOException;
+import java.net.UnknownHostException;
 import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
@@ -15,17 +16,20 @@ public class Znamky {
 
 	private boolean wasDownloaded;
 
-	// key (String) reprezentuje predmet, value (arraylist) znamky a pair znamku s jeji vahou
-	private HashMap<String, ArrayList<Pair<Integer, Double>>> grades = new HashMap<>();
+	private ArrayList<Pair<String, Pair<ArrayList<Pair<Integer, Double>>,Double>>> grades = new ArrayList<>();
 
-	public void addGrade(String subject, int grade, double weight)
+	public void addGrade(int index, String subject, int grade, double weight)
 	{
-		grades.get(subject).add(new Pair<Integer,Double>(grade, weight));
+		Pair<Integer, Double> znamka = new Pair<>(grade, weight);
+
+		grades.get(index).getValue1().getValue0().add(znamka);
 	}
 
 	public void addSubject(String subject)
 	{
-		grades.put(subject, new ArrayList<Pair<Integer, Double>>());
+		Pair<ArrayList<Pair<Integer, Double>>, Double> p = new Pair<>(new ArrayList<Pair<Integer, Double>>(), 0.0);
+
+		grades.add(new Pair<>(subject, p));
 	}
 
 	private double getAverage(ArrayList<Pair<Integer, Double>> a)
@@ -39,7 +43,8 @@ public class Znamky {
 				divisor += p.getValue1();
 			}
 
-			return (double) divident / divisor;
+			double prumer = (double) divident / divisor;
+			return (double) Math.round(prumer * 100) / 100;
 
 		}catch(ArithmeticException e)
 		{
@@ -47,17 +52,10 @@ public class Znamky {
 		}
 	}
 
-	public byte downloadZnamky(final String Jsessionid)
+	public void downloadZnamky(final String Jsessionid) throws UnknownHostException, IOException
 	{
 		wasDownloaded = true;
-		Document znamkyDoc = null;
-
-		try {
-			znamkyDoc = Downloader.download("https://www.spsejecna.cz" + "/score/student", Jsessionid).get();
-		} catch (IOException e) {
-			e.printStackTrace();
-			return 127;
-		}
+		Document znamkyDoc = Downloader.download("https://www.spsejecna.cz" + "/score/student", Jsessionid).get();
 		
 		Elements rows = znamkyDoc.select("table.score").select("tr");
 
@@ -68,25 +66,43 @@ public class Znamky {
 			rows_split[i] = rows.get(i).children();
 		}
 
+		int subj = 0;
+
 		for(int i = 1; i < rows_split.length; i++)
 		{
-			String predmet = rows_split[i].get(0).text();
+			String predmetFull = rows_split[i].get(0).text();
+
+			Matcher matcher = Pattern.compile("\\((.*)\\)").matcher(predmetFull);
+			
+			String predmet = matcher.find() ? matcher.group(1) : predmetFull;
 			addSubject(predmet);
 			
-			for(Element e : rows_split[i].get(1).select("a.score"))
+			for(Element znamkaElement : rows_split[i].get(1).select("a.score"))
 			{
-				int znamka = Integer.parseInt(e.select("span.value").text());
+				if(znamkaElement == null)
+				{
+					break;
+				}
+
+				int znamka = Integer.parseInt(znamkaElement.select("span.value").text());
 
 				// Mala znamka se bude pocitat jako polovicni vaha
-				if(e.hasClass("scoreSmall"))
+				if(znamkaElement.hasClass("scoreSmall"))
 				{
-					addGrade(predmet, znamka, 0.5);
+					addGrade(subj, predmet, znamka, 0.5);
 				}else{
-					addGrade(predmet, znamka, 1);
+					addGrade(subj, predmet, znamka, 1);
 				}
 			}
+
+			grades.get(subj).getValue1().setValue1(getAverage(grades.get(subj).getValue1().getValue0()));
+			subj++;
 		}
-		return 0;
+	}
+
+	public ArrayList<Pair<String, Pair<ArrayList<Pair<Integer, Double>>,Double>>> getGrades()
+	{
+		return grades;
 	}
 
 	@Override
@@ -96,11 +112,9 @@ public class Znamky {
 		{
 			String s = "";
 	
-			for(Map.Entry<String, ArrayList<Pair<Integer, Double>>> entry : grades.entrySet())
+			for(Pair<String, Pair<ArrayList<Pair<Integer, Double>>,Double>> p : grades)
 			{
-				double prumer = getAverage(entry.getValue());
-				double p = (double) Math.round(prumer * 100) / 100;
-				s += entry.getKey() + " | " + entry.getValue().toString() + " { " + p + " }\n";
+				s += p.getValue0() + " | " + p.getValue1().getValue0().toString() + " { " + p.getValue1().getValue1() + " } ";
 			}
 			return s;
 		}else{

src/main/java/xyz/thastertyn/Predmet.java

@@ -1,8 +0,0 @@
-package xyz.thastertyn;
-
-import java.util.ArrayList;
-
-public class Predmet {
-
-
-}

src/main/java/xyz/thastertyn/RozvrhDownload.java

@@ -1,5 +0,0 @@
-package xyz.thastertyn;
-
-public class RozvrhDownload {
-	
-}

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

@@ -0,0 +1,29 @@
+package xyz.thastertyn.Window.Content;
+
+import com.googlecode.lanterna.gui2.Panel;
+
+/**
+ * Wrapper to include all classes that deal with content in some way
+ */
+public class JecnaContent {
+	
+	public Panel getPanel()
+	{
+		return null;
+	}
+
+	public void download(String s)
+	{
+		
+	}
+
+	public boolean hasStarted()
+	{
+		return false;
+	}
+
+	public String getLabel()
+	{
+		return "";
+	}
+}

src/main/java/xyz/thastertyn/Window/Content/Jidelna.java

@@ -0,0 +1,5 @@
+package xyz.thastertyn.Window.Content;
+
+public class Jidelna {
+	
+}

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

@@ -0,0 +1,70 @@
+package xyz.thastertyn.Window.Content;
+
+import java.io.IOException;
+import java.net.UnknownHostException;
+
+import com.googlecode.lanterna.gui2.Label;
+import com.googlecode.lanterna.gui2.Panel;
+import com.googlecode.lanterna.gui2.table.Table;
+
+public class Rozvrh extends JecnaContent {
+	
+	private Panel rozvrhPanel = new Panel();
+
+	private boolean hasStarted = false;
+
+	private xyz.thastertyn.Jecna.Rozvrh rozvrh = new xyz.thastertyn.Jecna.Rozvrh();
+
+	//private String[] labels = {"Den", "7:30-8:15", "8:25-9:10", "9:20-10:05", "10:20-11:05", "11:15-12:00", "12:10-12:55", "13:05-13:50", "14:00-14:45", "14:55-15:40", "15:50-16:35"};
+	private String[] labels = {"Den", "1.", "2.", "3.", "4.", "5.", "6.", "7.", "8.", "9.", "10."};
+
+	String[] days = {"PO", "UT", "ST", "CT", "PA"};
+	
+	Table<String> t = new Table<>(labels);
+
+	@Override
+	public void download(String Jsessionid)
+	{
+		try{
+			rozvrh.downloadRozvrh(Jsessionid);
+	
+			String[][] r = rozvrh.getRozvrh();
+	
+			String[] s = new String[labels.length];
+	
+			for(int i = 0; i < r.length; i++)
+			{
+				s[0] = days[i];
+				for(int j = 1; j < r[i].length; j++) { s[j] = r[i][j]; }
+	
+				t.getTableModel().addRow(s);
+			}
+			rozvrhPanel.addComponent(t);
+			hasStarted = true;
+		}catch(UnknownHostException e)
+		{
+			rozvrhPanel.addComponent(new Label("A connection error occurred"));
+		}catch(IOException e)
+		{
+			rozvrhPanel.addComponent(new Label("An error occurred"));
+		}
+	}
+
+	@Override
+	public boolean hasStarted()
+	{
+		return hasStarted;
+	}
+
+	@Override
+	public Panel getPanel()
+	{
+		return rozvrhPanel;
+	}
+
+	@Override
+	public String getLabel()
+	{
+		return "Rozvrh";
+	}
+}

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

@@ -0,0 +1,127 @@
+package xyz.thastertyn.Window.Content;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+import com.googlecode.lanterna.TextColor;
+import com.googlecode.lanterna.graphics.SimpleTheme;
+import com.googlecode.lanterna.gui2.Direction;
+import com.googlecode.lanterna.gui2.Label;
+import com.googlecode.lanterna.gui2.LinearLayout;
+import com.googlecode.lanterna.gui2.Panel;
+import xyz.thastertyn.Tuple.Pair;
+
+public class Znamky extends JecnaContent {
+	
+	private Panel znamkyPanel = new Panel().setLayoutManager(new LinearLayout(Direction.HORIZONTAL));
+	
+	private xyz.thastertyn.Jecna.Znamky znamky = new xyz.thastertyn.Jecna.Znamky();
+
+	private boolean hasStarted = false;
+
+	@Override
+	public void download(String JsessionId)
+	{
+		try{
+			znamky.downloadZnamky(JsessionId);
+
+			Panel predmetyPanel = new Panel().setLayoutManager(new LinearLayout(Direction.VERTICAL));
+			Panel znamkyP = new Panel().setLayoutManager(new LinearLayout(Direction.VERTICAL));
+			Panel vyslPanel = new Panel().setLayoutManager(new LinearLayout(Direction.VERTICAL));
+
+			ArrayList<Pair<String, Pair<ArrayList<Pair<Integer, Double>>,Double>>> grades = znamky.getGrades();
+
+			for(Pair<String, Pair<ArrayList<Pair<Integer, Double>>,Double>> predmet : grades)
+			{
+				predmetyPanel.addComponent(new Label(predmet.getValue0()));
+
+				Panel znamkyZPredmetu = new Panel().setLayoutManager(new LinearLayout(Direction.HORIZONTAL));
+
+				if(predmet.getValue1().getValue0().isEmpty())
+				{
+					znamkyZPredmetu.addComponent(new Label(""));
+				}
+
+				for(Pair<Integer, Double> znamka : predmet.getValue1().getValue0())
+				{
+					// TODO pridat predmet.getValue0() ktery premeni znamky na jmeno predmetu jako funkci (not a bug, its a feature)
+					Label znamkaLabel = new Label(znamka.getValue0() + "");
+					switch(znamka.getValue0())
+					{
+						case 1:
+							znamkaLabel.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.GREEN));
+							break;
+						case 2:
+							znamkaLabel.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.BLUE));
+							break;
+						case 3:
+							znamkaLabel.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.YELLOW));
+							break;
+						case 4:
+							znamkaLabel.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.MAGENTA));
+							break;
+						case 5:
+							znamkaLabel.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.RED));
+							break;
+					}
+
+					znamkyZPredmetu.addComponent(znamkaLabel);
+				}
+				
+				znamkyP.addComponent(znamkyZPredmetu);
+
+				double prumer = predmet.getValue1().getValue1();
+
+				Label vysl = new Label("" + prumer);
+
+				if(prumer >= 1 && prumer < 1.5)
+				{
+					vysl.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.GREEN));
+				}else if(prumer >= 1.5 && prumer < 2.5)
+				{
+					vysl.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.BLUE));
+
+				}else if(prumer >= 2.5 && prumer < 3.5)
+				{
+					vysl.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.YELLOW));
+
+				}else if(prumer >= 3.5 && prumer < 4.5)
+				{
+					vysl.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.MAGENTA));
+				}else if(prumer >= 4.5)
+				{
+					vysl.setTheme(new SimpleTheme(TextColor.ANSI.BLACK, TextColor.ANSI.RED));
+				}
+
+				vyslPanel.addComponent(vysl);
+			}
+			
+			znamkyPanel.addComponent(predmetyPanel);
+			znamkyPanel.addComponent(znamkyP);
+			znamkyPanel.addComponent(vyslPanel);
+
+			hasStarted = true;
+		}catch(IOException e)
+		{
+			znamkyPanel.addComponent(new Label("An error has occured"));
+		}
+	}
+
+	@Override
+	public Panel getPanel()
+	{
+		return znamkyPanel;
+	}
+
+	@Override
+	public boolean hasStarted()
+	{
+		return hasStarted;
+	}
+
+	@Override
+	public String getLabel()
+	{
+		return "Znamky";
+	}
+}

src/main/java/xyz/thastertyn/Window/Login.java

@@ -1,36 +1,164 @@
 package xyz.thastertyn.Window;
 
+import java.io.IOException;
+import java.net.UnknownHostException;
+import java.util.Arrays;
+
+import javax.security.auth.login.CredentialException;
+
+import com.googlecode.lanterna.TerminalSize;
+import com.googlecode.lanterna.gui2.Button;
+import com.googlecode.lanterna.gui2.EmptySpace;
+import com.googlecode.lanterna.gui2.GridLayout;
+import com.googlecode.lanterna.gui2.Label;
+import com.googlecode.lanterna.gui2.LocalizedString;
+import com.googlecode.lanterna.gui2.Panel;
+import com.googlecode.lanterna.gui2.TextBox;
+import com.googlecode.lanterna.gui2.Window;
 import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
+import com.googlecode.lanterna.gui2.GridLayout.Alignment;
+import com.googlecode.lanterna.gui2.dialogs.DialogWindow;
+import com.googlecode.lanterna.gui2.dialogs.MessageDialog;
+import com.googlecode.lanterna.gui2.dialogs.MessageDialogButton;
 
-public class Login {
+public class Login extends DialogWindow {
 
-	String user = "";
-	String pass = "";
+	private TextBox username;
+	private TextBox password;
+	private String user;
+	private String pass;
 
-	xyz.thastertyn.Jecna.Login login = new xyz.thastertyn.Jecna.Login();
+	private xyz.thastertyn.Jecna.Login login = new xyz.thastertyn.Jecna.Login();
 
-	LoginDialog dialog = new LoginDialog("Login", "Enter your username and password");
-
-	public void showDialog(WindowBasedTextGUI textGUI)
+	Login()
 	{
-		String[] input = dialog.showDialog(textGUI);
+		super("Login");
+		this.user = null;
+		this.pass = null;
+		this.username = new TextBox();
+		this.password = new TextBox().setMask('*');
 
-		user = input[0];
-		pass = input[1];
+		Panel buttonPanel = new Panel();
+		buttonPanel
+			.setLayoutManager(
+				new GridLayout(2).setHorizontalSpacing(1))
+			.addComponent(
+				new Button(LocalizedString.OK.toString(), this::onOK)
+					.setLayoutData(GridLayout.createLayoutData(
+						GridLayout.Alignment.CENTER,
+						GridLayout.Alignment.CENTER,
+						true,
+						false)))
+			.addComponent(
+				new Button(LocalizedString.Cancel.toString(), this::onCancel));
 
-		login();
+		Panel mainPanel = new Panel()
+			.setLayoutManager(new GridLayout(1)
+				.setLeftMarginSize(1)
+				.setRightMarginSize(1));
+
+		mainPanel.addComponent(new Label("Enter your username and password"));
+
+		mainPanel.addComponent(new EmptySpace(TerminalSize.ONE));
+
+		Panel userPanel = new Panel()
+			.setLayoutManager(new GridLayout(3))
+			.setLayoutData(
+				GridLayout.createLayoutData(
+					GridLayout.Alignment.FILL,
+					Alignment.CENTER,
+					true,
+					false));
+
+		this.username.setLayoutData(
+			GridLayout.createLayoutData(
+				GridLayout.Alignment.FILL,
+				GridLayout.Alignment.CENTER,
+				true,
+				false));
+
+		userPanel.addComponent(new Label("Username: "))
+				.addComponent(username)
+				.addTo(mainPanel);
+
+		this.password
+			.setLayoutData(
+				GridLayout.createLayoutData(GridLayout.Alignment.FILL,
+					GridLayout.Alignment.CENTER,
+					true,
+					false))
+			.addTo(mainPanel);
+
+		Panel passPanel = new Panel()
+			.setLayoutManager(new GridLayout(3))
+			.setLayoutData(GridLayout.createLayoutData(
+				GridLayout.Alignment.FILL,
+				Alignment.CENTER,
+				true,
+				false));
+
+		passPanel.addComponent(new Label("Password: "))
+			.addComponent(password)
+			.addTo(mainPanel);
+
+		mainPanel.addComponent(new EmptySpace(TerminalSize.ONE));
+
+		buttonPanel.setLayoutData(
+			GridLayout.createLayoutData(
+				Alignment.END,
+				Alignment.CENTER,
+				false, false))
+			.addTo(mainPanel);
+
+		setHints(Arrays.asList(Window.Hint.CENTERED));
+		setComponent(mainPanel);
 	}
 
-	private void login()
+	public void onOK()
 	{
-		login.login(user, pass);
+		this.user = username.getText();
+		this.pass = password.getText();
 
-		user = null;
-		pass = null;
+		if (user.isEmpty() || pass.isEmpty())
+		{
+			MessageDialog.showMessageDialog(getTextGUI(), getTitle(), "Username and password cannot be blank",
+					MessageDialogButton.OK);
+			return;
+		}
+
+		try
+		{
+			login.loginJecna(user, pass);
+		} catch (UnknownHostException e) {
+			MessageDialog.showMessageDialog(getTextGUI(), "No Internet connection",
+					"There seems to be no internet connection, reverting to cached data", MessageDialogButton.OK);
+			return;
+		} catch (CredentialException e)
+		{
+			MessageDialog.showMessageDialog(getTextGUI(), "Incorrect username or password",
+					"The username or password you entered is incorrect", MessageDialogButton.OK);
+			return;
+		} catch (IOException e)
+		{
+			MessageDialog.showMessageDialog(getTextGUI(), "There was an error", "Maybe try again and it will go away",
+					MessageDialogButton.OK);
+			return;
+		}
+
+		close();
 	}
 
-	public String getJsessionId()
-	{
+	public String getJessionId() {
 		return login.getJSESSIONID();
 	}
+
+	public void onCancel() {
+		close();
+	}
+
+	@Override
+	public String[] showDialog(WindowBasedTextGUI textGUI) {
+		super.showDialog(textGUI);
+		return new String[] { user, pass };
+	}
 }

src/main/java/xyz/thastertyn/Window/LoginDialog.java

@@ -1,112 +0,0 @@
-package xyz.thastertyn.Window;
-
-import com.googlecode.lanterna.TerminalSize;
-import com.googlecode.lanterna.gui2.Button;
-import com.googlecode.lanterna.gui2.EmptySpace;
-import com.googlecode.lanterna.gui2.GridLayout;
-import com.googlecode.lanterna.gui2.Label;
-import com.googlecode.lanterna.gui2.LocalizedString;
-import com.googlecode.lanterna.gui2.Panel;
-import com.googlecode.lanterna.gui2.TextBox;
-import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
-import com.googlecode.lanterna.gui2.GridLayout.Alignment;
-import com.googlecode.lanterna.gui2.dialogs.DialogWindow;
-import com.googlecode.lanterna.gui2.dialogs.MessageDialog;
-import com.googlecode.lanterna.gui2.dialogs.MessageDialogButton;
-
-public class LoginDialog extends DialogWindow {
-	
-	private TextBox username;
-	private TextBox password;
-	private String user;
-	private String pass;
-
-	LoginDialog(
-		String title,
-		String description
-	)
-	{
-		super(title);
-		this.user = null;
-		this.pass = null;
-		this.username = new TextBox();
-		this.password = new TextBox().setMask('*');
-
-		Panel buttonPanel = new Panel();
-		buttonPanel.setLayoutManager((new GridLayout(2).setHorizontalSpacing(1)));
-		buttonPanel
-		.addComponent((new Button(LocalizedString.OK.toString(), this::onOK)
-		.setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.CENTER, GridLayout.Alignment.CENTER, true, false))));
-		buttonPanel.addComponent(new Button(LocalizedString.Cancel.toString(), this::onCancel));
-
-		Panel mainPanel = new Panel();
-		mainPanel.setLayoutManager(new GridLayout(1).setLeftMarginSize(1).setRightMarginSize(1));
-
-		if(description != null)
-		{
-			mainPanel.addComponent(new Label(description));
-		}
-
-		mainPanel.addComponent(new EmptySpace(TerminalSize.ONE));
-
-		Panel userPanel = new Panel()
-		.setLayoutManager(new GridLayout(3))
-		.setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.FILL, Alignment.CENTER, true, false));
-
-		this.username.setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.FILL, GridLayout.Alignment.CENTER, true, false));
-
-		userPanel.addComponent(new Label("Username: "))
-		.addComponent(username)
-		.addTo(mainPanel);
-
-		this.password.setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.FILL, GridLayout.Alignment.CENTER, true, false))
-		.addTo(mainPanel);
-
-		Panel passPanel = new Panel()
-		.setLayoutManager(new GridLayout(3))
-		.setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.FILL, Alignment.CENTER, true, false));
-
-		passPanel.addComponent(new Label("Password: "))
-		.addComponent(password)
-		.addTo(mainPanel);
-
-		mainPanel.addComponent(new EmptySpace(TerminalSize.ONE));
-
-		buttonPanel.setLayoutData(
-			GridLayout.createLayoutData(
-				Alignment.END,
-				Alignment.CENTER,
-				false, false))
-			.addTo(mainPanel);
-
-		setComponent(mainPanel);
-	}
-
-	public void onOK()
-	{
-		if(username.getText().isEmpty() || password.getText().isEmpty())
-		{
-			MessageDialog.showMessageDialog(getTextGUI(), getTitle(), "Username and password cannot be blank", MessageDialogButton.OK);
-			return;
-		}
-
-		this.user = username.getText();
-		this.pass = password.getText();
-
-		close();
-	}
-
-	public void onCancel()
-	{
-		close();
-	}
-
-	@Override
-	public String[] showDialog(WindowBasedTextGUI textGUI)
-	{
-		user = null;
-		pass = null;
-		super.showDialog(textGUI);
-		return new String[] {user, pass};
-	}
-}

src/main/java/xyz/thastertyn/Window/MainWindow.java

@@ -2,13 +2,12 @@ package xyz.thastertyn.Window;
 
 import java.io.IOException;
 import java.util.Arrays;
-
 import com.googlecode.lanterna.TextColor;
 import com.googlecode.lanterna.gui2.BasicWindow;
-import com.googlecode.lanterna.gui2.Borders;
 import com.googlecode.lanterna.gui2.DefaultWindowManager;
 import com.googlecode.lanterna.gui2.Direction;
 import com.googlecode.lanterna.gui2.EmptySpace;
+import com.googlecode.lanterna.gui2.Label;
 import com.googlecode.lanterna.gui2.LinearLayout;
 import com.googlecode.lanterna.gui2.MultiWindowTextGUI;
 import com.googlecode.lanterna.gui2.Panel;
@@ -19,58 +18,53 @@ import com.googlecode.lanterna.screen.TerminalScreen;
 import com.googlecode.lanterna.terminal.DefaultTerminalFactory;
 import com.googlecode.lanterna.terminal.Terminal;
 
-import xyz.thastertyn.Jecna.Credentials;
-import xyz.thastertyn.Jecna.Login;
-
 public class MainWindow {
 
-	Login l = new Login();
+	private Terminal terminal;
+	private Screen screen;
+	private Window window;
+	private MultiWindowTextGUI textGUI;
+
 	
 	public void run()
 	{
-		Terminal terminal = null;
 		try {
+			//#region init
 			// Setup terminal and screen layers
 			terminal = new DefaultTerminalFactory().createTerminal();
 
-			Screen screen = new TerminalScreen(terminal);
+			screen = new TerminalScreen(terminal);
 			screen.startScreen();
 			
+			// Create window to hold the panel
+			window = new BasicWindow();
+			window.setHints(Arrays.asList(Window.Hint.CENTERED));
+
+			// Create gui and start gui
+			textGUI = new MultiWindowTextGUI(screen, new DefaultWindowManager(), new EmptySpace(TextColor.ANSI.BLACK_BRIGHT));
+			//#endregion
+
 			// Create panel to hold components
 			final Panel mainPanel = new Panel();
-			mainPanel.setLayoutManager(new LinearLayout(Direction.HORIZONTAL));
+			mainPanel.setLayoutManager(new LinearLayout(Direction.VERTICAL));
 			
-			// Create window to hold the panel
-			BasicWindow window = new BasicWindow();
 			window.setComponent(mainPanel);
-			window.setHints(Arrays.asList(Window.Hint.CENTERED));
 		
 			mainPanel.addComponent(new Separator(Direction.VERTICAL).setLayoutData(LinearLayout.createLayoutData(LinearLayout.Alignment.Fill)));
 			
-			final Panel content = new Panel();
-			mainPanel.addComponent(content);
+			Panel content = new Panel();
+			content.addTo(mainPanel);
 
-			xyz.thastertyn.Window.Login login = new xyz.thastertyn.Window.Login();
+			Login login = new Login();
+			login.showDialog(textGUI);
 
-			/*Rozvrh r = new Rozvrh();
-			r.download(login.getJsessionId());
+			window.addWindowListener(new WindowSwitchListener(content, login.getJessionId()));
 
-			content.addComponent(r.getPanel());*/
-
-			// Create gui and start gui
-			final MultiWindowTextGUI gui = new MultiWindowTextGUI(screen, new DefaultWindowManager(), new EmptySpace(TextColor.ANSI.BLACK_BRIGHT));
-			
-			login.showDialog(gui);
-			/*KeyStroke k = terminal.readInput();
-			if(k.equals(KeyStroke.fromString("<up>")))
-			{
-				window.close();
-			}*/
-			gui.addWindowAndWait(window);
+			textGUI.addWindowAndWait(window);
 
 			
-			} catch (IOException e) {
-				e.printStackTrace();
-			}
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
 	}
 }

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

@@ -1,62 +0,0 @@
-package xyz.thastertyn.Window;
-
-import java.io.IOException;
-import java.net.UnknownHostException;
-import java.util.List;
-
-import com.googlecode.lanterna.TerminalSize;
-import com.googlecode.lanterna.TextColor;
-import com.googlecode.lanterna.graphics.SimpleTheme;
-import com.googlecode.lanterna.gui2.Direction;
-import com.googlecode.lanterna.gui2.Panel;
-import com.googlecode.lanterna.gui2.Separator;
-import com.googlecode.lanterna.gui2.TextGUIGraphics;
-import com.googlecode.lanterna.gui2.table.Table;
-import com.googlecode.lanterna.gui2.table.TableCellRenderer;
-
-public class Rozvrh {
-	
-	private Panel rozvrhPanel = new Panel();
-
-	private xyz.thastertyn.Jecna.Rozvrh rozvrh = new xyz.thastertyn.Jecna.Rozvrh();
-
-	private String[] labels = {"Den", "7:30-8:15", "8:25-9:10", "9:20-10:05", "10:20-11:05", "11:15-12:00", "12:10-12:55", "13:05-13:50", "14:00-14:45", "14:55-15:40", "15:50-16:35"};
-
-	String[] days = {"PO", "UT", "ST", "CT", "PA"};
-	
-	Table<String> t = new Table<>(labels);
-
-	public byte download(String Jsessionid)
-	{
-		try 
-		{
-			rozvrh.downloadRozvrh(Jsessionid);
-
-			String[][] r = rozvrh.getRozvrh();
-
-			String[] s = new String[labels.length];
-
-			for(int i = 0; i < r.length; i++)
-			{
-				s[0] = days[i];
-				for(int j = 1; j < r[i].length; j++) { s[j] = r[i][j]; }
-
-				t.getTableModel().addRow(s);
-			}
-			t.addTo(rozvrhPanel);
-
-			return 0;
-		}catch(UnknownHostException e)
-		{
-			return 127;
-		}catch(IOException e)
-		{
-			return 126;
-		}
-	}
-
-	public Panel getPanel()
-	{
-		return rozvrhPanel;
-	}
-}

src/main/java/xyz/thastertyn/Window/WindowSwitchListener.java

@@ -0,0 +1,123 @@
+package xyz.thastertyn.Window;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import com.googlecode.lanterna.TerminalPosition;
+import com.googlecode.lanterna.TerminalSize;
+import com.googlecode.lanterna.gui2.Label;
+import com.googlecode.lanterna.gui2.Panel;
+import com.googlecode.lanterna.gui2.Window;
+import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
+import com.googlecode.lanterna.gui2.WindowListener;
+import com.googlecode.lanterna.input.KeyStroke;
+import com.googlecode.lanterna.input.KeyType;
+
+import xyz.thastertyn.Window.Content.JecnaContent;
+import xyz.thastertyn.Window.Content.Rozvrh;
+import xyz.thastertyn.Window.Content.Znamky;
+
+public class WindowSwitchListener implements WindowListener {
+
+	WindowBasedTextGUI gui;
+
+	private JecnaContent[] contents = {new Rozvrh(), new Znamky()};
+
+	private String JsessionId;
+
+	Panel panel;
+	Label label;
+	
+	int current = 0;
+
+	public WindowSwitchListener(Panel holder, String JsessionId)
+	{
+		panel = holder;
+		this.JsessionId = JsessionId;
+		this.label = label;
+		defaultPanel();
+	}
+	
+	private void defaultPanel()
+	{
+		contents[0].download(JsessionId);
+		panel.removeAllComponents();
+		panel.addComponent(contents[0].getPanel());
+		//label.setText(contents[0].getLabel());
+	}
+
+	public void next()
+	{
+		if(current + 1 == contents.length)
+		{
+			current = 0;
+		}else{
+			current++;
+		}
+
+		if(!contents[current].hasStarted())
+		{
+			contents[current].download(JsessionId);
+		}
+		
+		panel.removeAllComponents();
+		panel.addComponent(contents[current].getPanel());
+
+		//label.setText(contents[current].getLabel());
+	}
+
+	public void previous()
+	{
+		if(current - 1 == -1)
+		{
+			current = contents.length - 1;
+		}else{
+			current--;
+		}
+
+		if(!contents[current].hasStarted())
+		{
+			contents[current].download(JsessionId);
+		}
+		panel.removeAllComponents();
+		panel.addComponent(contents[current].getPanel());
+
+		//label.setText(contents[current].getLabel());
+	}
+
+
+	
+	@Override
+	public void onInput(Window basePane, KeyStroke keyStroke, AtomicBoolean deliverEvent) {
+		KeyType type = keyStroke.getKeyType();
+
+		switch(type)
+		{
+			case Tab:
+				if(!keyStroke.isShiftDown())
+				{
+					next();
+				}else{
+					previous();
+				}
+				break;
+			default:
+				break;
+		}
+	}
+
+	@Override
+	public void onUnhandledInput(Window basePane, KeyStroke keyStroke, AtomicBoolean hasBeenHandled) {
+		// TODO Auto-generated method stub
+	}
+
+	@Override
+	public void onResized(Window window, TerminalSize oldSize, TerminalSize newSize) {
+		window.invalidate();
+	}
+
+	@Override
+	public void onMoved(Window window, TerminalPosition oldPosition, TerminalPosition newPosition) {
+		// TODO Auto-generated method stub
+	}
+	
+}