de.sciss.packing2d.demo.RectangleSettingsPanel Maven / Gradle / Ivy

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package de.sciss.packing2d.demo;

import java.awt.FlowLayout;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.Border;

class RectangleSettingsPanel extends JPanel {
    private JTextField fieldMinWidth;
    private JTextField fieldMaxWidth;
    private JTextField fieldMinHeight;
    private JTextField fieldMaxHeight;
    private static final int MIN_RECT_WIDTH = 16;
    private static final int MAX_RECT_WIDTH = 256;
    private static final int MIN_RECT_HEIGHT = 16;
    private static final int MAX_RECT_HEIGHT = 256;

    public RectangleSettingsPanel(){
        Border border = BorderFactory.createEmptyBorder(0, 0, 5, 0);
        this.setBorder(border);
        this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
        JLabel lbl = new JLabel("Rectangle settings");
        lbl.setAlignmentX(CENTER_ALIGNMENT);
        this.add(lbl);
        this.addFields();
    }

    public int getMinWidth(){
        String minWidthInput = this.fieldMinWidth.getText();
        if (!minWidthInput.isEmpty()){
            try {
                int minWidth = Integer.parseInt(minWidthInput);
                int width = Math.min(Math.max(minWidth, MIN_RECT_WIDTH), MAX_RECT_WIDTH);
                this.fieldMinWidth.setText(width + "");
                return width;
            } catch (Exception ex) {
                this.fieldMinWidth.setText(MIN_RECT_WIDTH + "");
            }
        }
        return MIN_RECT_WIDTH;
    }

    public int getMaxWidth(){
        String maxWidthInput = this.fieldMaxWidth.getText();
        if (!maxWidthInput.isEmpty()){
            try {
                int maxWidth = Integer.parseInt(maxWidthInput);
                int width = Math.max(Math.min(maxWidth, MAX_RECT_WIDTH), MIN_RECT_WIDTH);
                this.fieldMaxWidth.setText(width + "");
                return width;
            } catch (Exception ex) {
                this.fieldMaxWidth.setText(MAX_RECT_WIDTH + "");
            }
        }
        return MAX_RECT_WIDTH;
    }
    public int getMinHeight(){
        String minHeightInput = this.fieldMinHeight.getText();
        if (!minHeightInput.isEmpty()){
            try {
                int minHeight = Integer.parseInt(minHeightInput);
                int height = Math.min(Math.max(minHeight, MIN_RECT_HEIGHT), MAX_RECT_HEIGHT);
                this.fieldMinHeight.setText(height + "");
                return height;
            } catch (Exception ex) {
                this.fieldMinHeight.setText(MIN_RECT_HEIGHT + "");
            }
        }
        return MIN_RECT_HEIGHT;
    }

    public int getMaxHeight(){
        String maxHeigthInput = this.fieldMaxHeight.getText();
        if (!maxHeigthInput.isEmpty()){
            try {
                int maxHeight = Integer.parseInt(maxHeigthInput);
                int height = Math.max(Math.min(maxHeight, MAX_RECT_HEIGHT), MIN_RECT_HEIGHT);
                this.fieldMaxHeight.setText(height + "");
                return height;
            } catch (Exception ex) {
                this.fieldMaxHeight.setText(MAX_RECT_HEIGHT + "");
            }
        }
        return MAX_RECT_HEIGHT;
    }

    private void addFields(){
        this.fieldMinWidth = new JTextField(4);
        this.fieldMinWidth.setText(MIN_RECT_WIDTH + "");
        this.fieldMaxWidth = new JTextField(4);
        this.fieldMaxWidth.setText(MAX_RECT_WIDTH + "");
        JPanel widthSettings = new JPanel(new FlowLayout());
        widthSettings.add(new JLabel("Min Width:"));
        widthSettings.add(this.fieldMinWidth);
        widthSettings.add(new JLabel("Max Width:"));
        widthSettings.add(this.fieldMaxWidth);
        this.add(widthSettings);

        this.fieldMinHeight = new JTextField(4);
        this.fieldMinHeight.setText(MIN_RECT_HEIGHT + "");
        this.fieldMaxHeight = new JTextField(4);
        this.fieldMaxHeight.setText(MAX_RECT_HEIGHT + "");
        JPanel heigthSettings = new JPanel(new FlowLayout());
        heigthSettings.add(new JLabel("Min Height:"));
        heigthSettings.add(this.fieldMinHeight);
        heigthSettings.add(new JLabel("Max Height:"));
        heigthSettings.add(this.fieldMaxHeight);
        this.add(heigthSettings);
    }
}