1 files changed, 127 insertions, 0 deletions
diff --git a/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/Textfields.java b/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/Textfields.java
new file mode 100644
index 0000000..78098d1
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+++ b/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/Textfields.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2015 Camil Staps
+ */
+package com.camilstaps.mandelbrot;
+
+import java.awt.BorderLayout;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Observable;
+import java.util.Observer;
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+/**
+ *
+ * @author camilstaps
+ */
+public class Textfields extends JPanel implements Observer {
+
+    private final FractalModel fractalModel;
+    
+    private final String INITIAL_CENTER_X = "0",
+            INITIAL_CENTER_Y = "0",
+            INITIAL_SCALE = "0.5",
+            INITIAL_REPETITIONS = "100";
+    
+    private final JTextField field_centerX = new JTextField(INITIAL_CENTER_X, 6);
+    private final JTextField field_centerY = new JTextField(INITIAL_CENTER_Y, 6);
+    private final JTextField field_scale = new JTextField(INITIAL_SCALE, 6);
+    private final JTextField field_repetitions = new JTextField(INITIAL_REPETITIONS, 6);
+    private final JButton button_redraw = new JButton("Redraw");
+    private final JButton button_reset = new JButton("Reset");
+    
+    public Textfields(FractalModel fractalModel) {
+        super(new BorderLayout());
+        
+        this.fractalModel = fractalModel;
+        fractalModel.addObserver(this);
+        
+        setupControls();
+    }
+    
+    private void setupControls() {
+        JPanel panel = new JPanel(new GridLayout(10,1));
+        
+        panel.add(new JLabel("Center x:"));
+        panel.add(field_centerX);
+        
+        panel.add(new JLabel("Center y:"));
+        panel.add(field_centerY);
+        
+        panel.add(new JLabel("Scale:"));
+        panel.add(field_scale);
+        
+        panel.add(new JLabel("Repetitions:"));
+        panel.add(field_repetitions);
+        
+        button_redraw.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent ae) {
+                if (ae.getActionCommand().equals("Redraw")) {
+                    fractalModel.setBorders(getStartX(), getEndX(), getStartY(), getEndY());
+                }
+            }
+        });
+        panel.add(button_redraw);
+        
+        button_reset.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent ae) {
+                field_centerX.setText(INITIAL_CENTER_X);
+                field_centerY.setText(INITIAL_CENTER_Y);
+                field_scale.setText(INITIAL_SCALE);
+                field_repetitions.setText(INITIAL_REPETITIONS);
+                
+                button_redraw.doClick();
+            }
+        });
+        panel.add(button_reset);
+        
+        add(panel, BorderLayout.NORTH);
+        add(new JPanel(), BorderLayout.CENTER);
+    }
+    
+    @Override
+    public int getWidth() {
+        return 100;
+    }
+    
+    protected double getStartX() {
+        double width = 1 / Double.parseDouble(field_scale.getText());
+        double center = Double.parseDouble(field_centerX.getText());
+        return center - width / 2;
+    }
+    
+    protected double getEndX() {
+        double width = 1 / Double.parseDouble(field_scale.getText());
+        double center = Double.parseDouble(field_centerX.getText());
+        return center + width / 2;
+    }
+    
+    protected double getStartY() {
+        double height = 1 / Double.parseDouble(field_scale.getText());
+        double center = Double.parseDouble(field_centerY.getText());
+        return center - height / 2;
+    }
+    
+    protected double getEndY() {
+        double height = 1 / Double.parseDouble(field_scale.getText());
+        double center = Double.parseDouble(field_centerY.getText());
+        return center + height / 2;
+    }
+
+    @Override
+    public void update(Observable o, Object o1) {
+        field_centerX.setText(Float.toString((float) 
+                ((fractalModel.getEndX() - fractalModel.getStartX()) / 2 + fractalModel.getStartX())));
+        field_centerY.setText(Float.toString((float) 
+                ((fractalModel.getEndY() - fractalModel.getStartY()) / 2 + fractalModel.getStartY())));
+        field_scale.setText(Float.toString((float) 
+                (1 / (fractalModel.getEndX() - fractalModel.getStartX()))));
+    }
+    
+}