praktikum-holons/src/holeg/ui/view/dialog/CanvasResizePopUp.java

package holeg.ui.view.dialog;

import javax.swing.*;

import holeg.preferences.ImagePreference;
import holeg.ui.controller.Control;
import holeg.ui.model.GuiSettings;
import holeg.model.Model;
import holeg.ui.view.canvas.Canvas;
import holeg.ui.view.image.Import;
import holeg.utility.math.vector.Vec2i;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class CanvasResizePopUp extends JDialog {
    private final JButton btnOk = new JButton("OK");
	private final JButton btnCancel = new JButton("Cancel");
	JTabbedPane tabbedPane;
	Control controller;
	Canvas canvas;
    private JPanel mainPanel = new JPanel();
    private JTextField tFieldWidht = new JTextField();
    private JTextField tFieldHeight = new JTextField();
    private JLabel lblWidth = new JLabel("Width:");
    private JLabel lblHeight = new JLabel("Height:");
    private JPanel buttonPanel = new JPanel();

	public CanvasResizePopUp(Control controller, Canvas canvas, JTabbedPane tabbedPane, JFrame parentFrame) {
        super((java.awt.Frame) null, true);
		this.tabbedPane = tabbedPane;
		this.controller = controller;
		this.canvas = canvas;

		// properties and stuff
		this.setIconImage(Import.loadImage(ImagePreference.Logo,30,30));
		this.setTitle("Set the Size of the View");
		setBounds(200, 100, 200, 100);
        setLocationRelativeTo(parentFrame);

		// MainPanel
		tFieldWidht.setText("" + GuiSettings.canvasSize.getX());
		tFieldHeight.setText("" + GuiSettings.canvasSize.getY());
		mainPanel.add(lblWidth);
		mainPanel.add(tFieldWidht);
		mainPanel.add(lblHeight);
		mainPanel.add(tFieldHeight);
		mainPanel.setBackground(Color.WHITE);

		// Button Panel
		btnOk.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				GuiSettings.canvasSize.setX(Integer.parseInt(tFieldWidht.getText()));
				GuiSettings.canvasSize.setY(Integer.parseInt(tFieldHeight.getText()));
				Vec2i actualCanvasSize = GuiSettings.canvasSize;
				
				Dimension preferedSize = new Dimension(actualCanvasSize.getX(), actualCanvasSize.getY());
				canvas.setPreferredSize(new Dimension(preferedSize));
				for (int i = 1; i < tabbedPane.getTabCount(); i++) {
					if (tabbedPane.getComponentAt(i) != null) {
						JScrollPane scollPane = (JScrollPane) tabbedPane.getComponentAt(i);
						Canvas groupNodeCanvas = ((Canvas) (scollPane)
								.getViewport().getComponent(0));
						groupNodeCanvas.setPreferredSize(new Dimension(preferedSize));
						groupNodeCanvas.repaint();
					}
				}
				canvas.revalidate();
				canvas.repaint();
				
				controller.getModel().getCanvas().getAllObjectsRecursive().forEach(obj -> {
					Vec2i position = obj.getPosition();
					position.clampX(0, actualCanvasSize.getX());
					position.clampY(0, actualCanvasSize.getY());
				});
				dispose();
			}
		});
		btnCancel.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				dispose();
			}
		});
		buttonPanel.add(btnOk);
		buttonPanel.add(btnCancel);
		buttonPanel.setBackground(Color.WHITE);

		// Add to ContentPane
		getContentPane().add(mainPanel, BorderLayout.CENTER);
		getContentPane().add(buttonPanel, BorderLayout.SOUTH);
		this.setVisible(true);
	}

}