Finished Functionality

CP02A · Oct 3, 2019 · e6907cc · e6907cc
1 parent 96981a8
commit e6907cc
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Showing 5 changed files with 78 additions and 7 deletions.
diff --git a/README.md b/README.md
@@ -1,2 +1,2 @@
 # CSV-Viewer
-A INFI program that reads CSV files
+An INFI program that reads CSV files
diff --git a/src/com/github/cp02a/csvviewer/control/MainControl.java b/src/com/github/cp02a/csvviewer/control/MainControl.java
@@ -13,10 +13,18 @@ public class MainControl implements ActionListener {
     public MainControl(){
         model = new MainModel();
         view = new MainView(this);
+        view.setGrid(model.getHeader(), model.getLine(0));
     }
 
     @Override
     public void actionPerformed(ActionEvent e) {
-        // TODO Make Buttons Work!
+        switch(e.getActionCommand()){
+            case "nex":
+                view.updateGrid(model.getLine(model.getCurrentLine()+1));
+                break;
+            case "prev":
+                view.updateGrid(model.getLine(model.getCurrentLine()-1));
+                break;
+        }
     }
 }
diff --git a/src/com/github/cp02a/csvviewer/model/MainModel.java b/src/com/github/cp02a/csvviewer/model/MainModel.java
@@ -6,23 +6,25 @@
 import java.io.IOException;
 
 public class MainModel {
+    private String header;
     private String[] lines;
+    private int currentLine;
 
     public MainModel(){
         lines = new String[0];
         JFileChooser chooser = new JFileChooser();
         int rueckgabeWert = chooser.showOpenDialog(null);
         if(rueckgabeWert == JFileChooser.APPROVE_OPTION) {
             BufferedReader objReader = null;
-            String strCurrentLine = "";
+            String strCurrentLine;
             try {
                 String[] temp;
                 objReader = new BufferedReader(new FileReader(chooser.getSelectedFile()));
+                header = objReader.readLine();
                 while ((strCurrentLine = objReader.readLine()) != null) {
                     temp = lines.clone();
                     lines = new String[lines.length + 1];
-                    for(int i = 0; i < temp.length; i++)
-                        lines[i] = temp[i];
+                    System.arraycopy(temp, 0, lines, 0, temp.length);
                     lines[lines.length-1] = strCurrentLine;
                 }
             } catch (IOException e) {
@@ -37,4 +39,17 @@ public MainModel(){
             }
         }
     }
+
+    public String getHeader(){
+        return header;
+    }
+
+    public String getLine(int i){
+        currentLine = i;
+        return lines[i];
+    }
+
+    public int getCurrentLine() {
+        return currentLine;
+    }
 }
diff --git a/src/com/github/cp02a/csvviewer/view/MainView.java b/src/com/github/cp02a/csvviewer/view/MainView.java
@@ -4,13 +4,23 @@
 import java.awt.event.ActionListener;
 
 public class MainView extends JFrame {
+    private PanelView jp;
+
     public MainView(ActionListener al){
         super("CSV-Viewer");
         setDefaultCloseOperation(EXIT_ON_CLOSE);
         setBounds(50, 50, 300, 165);
         setVisible(true);
 
-        JPanel jp = new PanelView(al);
+        jp = new PanelView(al);
         add(jp);
     }
+
+    public void setGrid(String header, String line) {
+        jp.setGrid(header, line);
+    }
+
+    public void updateGrid(String line) {
+        jp.updateGrid(line);
+    }
 }
diff --git a/src/com/github/cp02a/csvviewer/view/PanelView.java b/src/com/github/cp02a/csvviewer/view/PanelView.java
@@ -1,10 +1,48 @@
 package com.github.cp02a.csvviewer.view;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionListener;
 
 public class PanelView extends JPanel {
+    private JButton prev;
+    private JButton nex;
+    private JLabel[] info;
+
     public PanelView(ActionListener al){
-        // TODO
+        BorderLayout layout = new BorderLayout();
+        this.setLayout(layout);
+        prev = new JButton("Previous");
+        nex = new JButton("Next");
+        prev.setActionCommand("prev");
+        nex.setActionCommand("nex");
+        prev.addActionListener(al);
+        nex.addActionListener(al);
+        this.add(prev, BorderLayout.LINE_START);
+        this.add(nex, BorderLayout.LINE_END);
+    }
+
+    public void setGrid(String header, String line) {
+        JPanel jp = new JPanel(new GridLayout(2, header.split(";").length, 0, 0));
+        for (String str : header.split(";")) {
+            JLabel jl = new JLabel(str);
+            jl.setHorizontalAlignment(SwingConstants.CENTER);
+            jp.add(jl);
+        }
+        info = new JLabel[header.split(";").length];
+        String[] temp = line.split(";");
+        for(int i = 0; i < info.length; i++){
+            JLabel jl = new JLabel(temp[i]);
+            jl.setHorizontalAlignment(SwingConstants.CENTER);
+            jp.add(jl);
+            info[i] = jl;
+        }
+        this.add(jp, BorderLayout.CENTER);
+    }
+
+    public void updateGrid(String line) {
+        String[] temp = line.split(";");
+        for(int i = 0; i < info.length; i++)
+            info[i].setText(temp[i]);
     }
 }