OLIR/app/src/main/java/de/tu_darmstadt/informatik/tk/olir/Parser.java

package de.tu_darmstadt.informatik.tk.olir;

import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.support.constraint.ConstraintLayout;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 * Parses an objectSpecs.txt file
 * Created by Martin Herbers on 17.03.2017.
 */

public class Parser {

    //Save the first button position as the middle point and use it to reposition the button
    private static boolean first = true;
    private static int baseX;
    private static int baseY;


    public static void parseFile(String[] content, AppCompatActivity activity) {
        //First line: Object title
        TextView textView = activity.findViewById(R.id.textView);
        textView.setText(content[0].substring(content[0].indexOf(':')+1));
        //Set the two status strings
        //TODO MainActivity.stringTrue = list.get(3).substring(list.get(3).indexOf(':')+1);
        //TODO MainActivity.stringFalse = list.get(4).substring(list.get(4).indexOf(':')+1);

        DrawView background = activity.findViewById(R.id.drawView);
        //Outer shapes
        String shapes = content[1].substring(content[1].indexOf(':')+1);
        background.clearShapes();
        int idx = shapes.indexOf(']')+1;
        while (idx > 0) {
            //Add every basic shape to the list that gets drawn
            background.addShape(shapes.substring(0, idx));
            shapes = shapes.substring(idx);
            idx = shapes.indexOf(']')+1;
        }

        background.invalidate();

        Button button = activity.findViewById(R.id.button);
        if (first) {
            baseX = (int) button.getX();
            baseY = (int) button.getY();
            first = false;
        }

        //Button size and position
        String buttonText = content[2].substring(content[2].indexOf(':')+1);
        float scale = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_MM, 1,
                activity.getResources().getDisplayMetrics());
        if (buttonText.charAt(1) == 'C') {

            buttonText = buttonText.substring(3);
            int index = buttonText.indexOf(';');
            float x = Float.parseFloat(buttonText.substring(0, index));

            buttonText = buttonText.substring(index + 1);
            index = buttonText.indexOf(';');
            float y = Float.parseFloat(buttonText.substring(0, index));

            buttonText = buttonText.substring(index + 1);
            index = buttonText.length()-1;
            float diameter = Float.parseFloat(buttonText.substring(0, index));

            int dia = (int) (diameter * scale) ;

            ConstraintLayout.LayoutParams layoutParams = (ConstraintLayout.LayoutParams) button.getLayoutParams();
            layoutParams.horizontalBias = (baseX + x * scale) / (baseX * 2);
            layoutParams.verticalBias = (baseY + y * scale) / (baseY * 2);
            layoutParams.width = dia;
            layoutParams.height = dia;
            button.setLayoutParams(layoutParams);

        } else if (buttonText.charAt(1) == 'R') {

            buttonText = buttonText.substring(3);
            int index = buttonText.indexOf(';');
            float x = Float.parseFloat(buttonText.substring(0, index));

            buttonText = buttonText.substring(index + 1);
            index = buttonText.indexOf(';');
            float y = Float.parseFloat(buttonText.substring(0, index));

            buttonText = buttonText.substring(index + 1);
            index = buttonText.indexOf(';');
            float width = Float.parseFloat(buttonText.substring(0, index));

            buttonText = buttonText.substring(index + 1);
            index = buttonText.length()-1;
            float height = Float.parseFloat(buttonText.substring(0, index));

            int w = (int) (width * scale);
            int h = (int) (height * scale);

            ConstraintLayout.LayoutParams layoutParams = (ConstraintLayout.LayoutParams) button.getLayoutParams();
            layoutParams.horizontalBias = (baseX + x * scale) / (baseX * 2);
            layoutParams.verticalBias = (baseY + y * scale) / (baseY * 2);
            layoutParams.width = w;
            layoutParams.height = h;
            button.setLayoutParams(layoutParams);
        }
    }
}