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- package ui.view;
- import java.awt.Graphics;
- import java.awt.Image;
- import java.awt.event.ActionEvent;
- import java.awt.event.ActionListener;
- import java.awt.event.MouseEvent;
- import java.awt.event.MouseListener;
- import java.awt.event.MouseMotionListener;
- import java.util.ArrayList;
- import java.util.LinkedList;
- import javax.swing.ImageIcon;
- import javax.swing.JMenuItem;
- import javax.swing.JPanel;
- import javax.swing.JPopupMenu;
- import classes.CpsObject;
- import classes.HolonElement;
- import classes.HolonObject;
- import ui.model.*;
- class MyCanvas extends JPanel implements MouseListener, MouseMotionListener {
- private Image img = null; // Contains the image to draw on MyCanvas
- private int x = 0;
- private int y = 0;
- Model model;
-
- boolean dragging = false;
- boolean dropDelete = false;
- CpsObject tempCps = null;
- // PopUpMenu
- JPopupMenu popmenu = new JPopupMenu();
- JMenuItem itemDelete = new JMenuItem("Delete Object");
- public MyCanvas(final Model model) {
- this.model = model;
- popmenu.add(itemDelete);
- itemDelete.setEnabled(false);
- itemDelete.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- model.getObjectsOnCanvas().remove(tempCps);
- dropDelete = false;
- repaint();
- }
- });
- img = new ImageIcon(this.getClass().getResource("/Images/Dummy_House.png")).getImage()
- .getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH);
-
- this.addMouseListener(this);
- this.addMouseMotionListener(this);
- }
- public void paintComponent(Graphics g) {
- // Draws the image to the canvas
- super.paintComponent(g);
-
- for (CpsObject cps : model.getObjectsOnCanvas()) {
-
- System.out.println(cps.getImage());
- g.drawImage(img, cps.getPos().x, cps.getPos().y, null);
- }
- }
- @Override
- public void mouseClicked(MouseEvent e) {
- // TODO Auto-generated method stub
- }
- @Override
- public void mouseEntered(MouseEvent e) {
- // TODO Auto-generated method stub
- }
- @Override
- public void mouseExited(MouseEvent e) {
- // TODO Auto-generated method stub
- }
- @Override
- public void mousePressed(MouseEvent e) {
- // TODO Auto-generated method stub
- x = e.getX();
- y = e.getY();
- dropDelete = false;
- for (CpsObject cps : model.getObjectsOnCanvas()) {
- int cx = cps.getPos().x;
- int cy = cps.getPos().y;
- if (x - img.getWidth(null) <= cx && y - img.getHeight(null) <= cy && x + img.getWidth(null) >= cx
- && y + img.getHeight(null) >= cy) {
- tempCps = cps;
- if (e.getButton() == e.BUTTON1) {
- dragging = true;
- } else {
- dropDelete = true;
- }
- }
- }
- }
- @Override
- public void mouseReleased(MouseEvent e) {
- if (dragging) {
- x = e.getX();
- y = e.getY();
- dragging = false;
- tempCps.setPos(e.getX() - 15, e.getY() - 15);
- tempCps = null;
- repaint();
- }
- // Rechtsklick Liste
- if (e.getButton() == e.BUTTON3) {
- if (dropDelete)itemDelete.setEnabled(true);
- popmenu.show(e.getComponent(), e.getX(), e.getY());
- }
- }
- @Override
- public void mouseDragged(MouseEvent e) {
- // TODO Auto-generated method stub
- if (dragging) {
- tempCps.setPos(e.getX() - 15, e.getY() - 15);
- repaint();
- System.out.println("drag: " + e.getX() + " " + e.getY());
- }
- }
- @Override
- public void mouseMoved(MouseEvent e) {
- // TODO Auto-generated method stub
- }
- }
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