質問編集履歴
2
コードを本文に記載
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### 該当のソースコード
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```java
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.util.*;
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// 描画した図形を記録する Figure クラス (継承して利用する)
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class Figure {
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protected int x, y, width, height;
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protected Color color;
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public Figure(int x, int y, int w, int h, Color c) {
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this.x = x;
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this.y = y; // this.x, this.y はインスタンス変数．
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width = w;
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height = h; // ローカル変数で同名の変数がある場合は，this
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color = c; // を付けると，インスタンス変数を指す．
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}
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public void setSize(int w, int h) {
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width = w;
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height = h;
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}
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public void setLocation(int x, int y) {
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this.x = x;
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this.y = y;
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}
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public void reshape(int x1, int y1, int x2, int y2) {
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}
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public void draw(Graphics g) {
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}
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}
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class CircleFigure extends Figure {
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public CircleFigure(int x, int y, int w, int h, Color c) {
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super(x, y, w, h, c);
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}
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public void reshape(int x1, int y1, int x2, int y2) {
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int newx = Math.min(x1, x2);
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int newy = Math.min(y1, y2);
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int neww = Math.abs(x1 - x2);
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int newh = Math.abs(y1 - y2);
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setLocation(newx, newy);
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setSize(neww, newh);
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}
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public void draw(Graphics g) {
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g.setColor(color);
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g.drawOval(x, y, width, height);
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}
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}
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class LineFigure extends Figure {
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public LineFigure(int x, int y, int w, int h, Color c) {
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super(x, y, w, h, c);
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}
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public void reshape(int x1, int y1, int x2, int y2) {
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setLocation(x1, y1);
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setSize(x2, y2);
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}
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public void draw(Graphics g) {
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g.setColor(color);
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g.drawLine(x, y, width, height);
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}
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}
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class RectangleFigure extends Figure {
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public RectangleFigure(int x, int y, int w, int h, Color c) {
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super(x, y, w, h, c);
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// 引数付きのコンストラクタは継承されないので，コンストラクタを定義．
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// superで親のコンストラクタを呼び出すだけ．
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}
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public void reshape(int x1, int y1, int x2, int y2) {
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int newx = Math.min(x1, x2);
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int newy = Math.min(y1, y2);
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int neww = Math.abs(x1 - x2);
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int newh = Math.abs(y1 - y2);
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setLocation(newx, newy);
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setSize(neww, newh);
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}
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public void draw(Graphics g) {
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g.setColor(color);
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g.drawRect(x, y, width, height);
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}
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}
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////////////////////////////////////////////////
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// Model (M)
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// modelは java.util.Observableを継承する．Viewに監視される．
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class DrawModel extends Observable {
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protected ArrayList<Figure> fig;
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protected String figurelabel;
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protected Figure drawingFigure;
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protected Color currentColor;
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protected ViewPanel viewPanel;
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public DrawModel() {
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fig = new ArrayList<Figure>();
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drawingFigure = null;
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currentColor = Color.red;
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}
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public void setViewPanel(ViewPanel c) {
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viewPanel = c;
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}
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public ArrayList<Figure> getFigures() {
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return fig;
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}
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public Figure getFigure(int idx) {
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return fig.get(idx);
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}
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public void createFigure(int x, int y) {
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Figure f = null;
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;
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if (figurelabel == "rect")
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f = new RectangleFigure(x, y, 0, 0, currentColor);
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else if (figurelabel == "circ")
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f = new CircleFigure(x, y, 0, 0, currentColor);
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else if (figurelabel == "line")
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f = new LineFigure(x, y, x, y, currentColor);
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fig.add(f);
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drawingFigure = f;
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viewPanel.repaint();
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setChanged();
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notifyObservers();
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}
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public void reshapeFigure(int x1, int y1, int x2, int y2) {
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if (drawingFigure != null) {
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drawingFigure.reshape(x1, y1, x2, y2);
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viewPanel.repaint();
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setChanged();
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notifyObservers();
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}
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}
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public void changecolor(Color col) {
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currentColor = col;
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}
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public void changefigure(String fi) {
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figurelabel = fi;
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}
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}
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////////////////////////////////////////////////
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// View (V)
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// Viewは，Observerをimplementsする．Modelを監視して，
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// モデルが更新されたupdateする．実際には，Modelから
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// update が呼び出される．
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class ViewPanel extends JPanel implements Observer {
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protected DrawModel model;
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public ViewPanel(DrawModel m) {
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this.setBackground(Color.white);
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model = m;
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model.addObserver(this);
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}
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public void paintComponent(Graphics g) {
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super.paintComponent(g);
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ArrayList<Figure> fig = model.getFigures();
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for (int i = 0; i < fig.size(); i++) {
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Figure f = fig.get(i);
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f.draw(g);
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}
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}
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public void update(Observable o, Object arg) {
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repaint();
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}
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}
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class Select implements ActionListener {
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DrawModel a;
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Select(DrawModel ap) {
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a = ap;
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}
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public void actionPerformed(ActionEvent e) { // 設定の変更
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String es = e.getActionCommand();
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if (es.equals("red"))
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a.changecolor(Color.red);
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if (es.equals("green"))
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a.changecolor(Color.green);
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if (es.equals("blue"))
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a.changecolor(Color.blue);
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if (es.equals("rect"))
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a.changefigure("rect");
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if (es.equals("circ"))
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a.changefigure("circ");
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if (es.equals("line"))
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a.changefigure("line");
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}
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}
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//////////////////////////////////////////////////
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// Main class
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// (GUIを組み立てているので，view の一部と考えてもよい)
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class DrawFrame extends JFrame {
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DrawModel model;
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ViewPanel view;
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DrawController cont;
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public static void main(String[] args) {
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JFrame f = new JFrame("Draw");
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JPanel pc = new JPanel();
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JPanel pf = new JPanel();
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pc.setLayout(new GridLayout(1, 3));
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pf.setLayout(new GridLayout(1, 3));
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JButton r = new JButton("red");
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JButton g = new JButton("green");
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JButton b = new JButton("blue");
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JButton rect = new JButton("rect");
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JButton circ = new JButton("circ");
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JButton line = new JButton("line");
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r.setActionCommand("red");
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g.setActionCommand("green");
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b.setActionCommand("blue");
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rect.setActionCommand("rect");
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circ.setActionCommand("circ");
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line.setActionCommand("line");
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DrawModel a = new DrawModel();
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ViewPanel dp = new ViewPanel(a);
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a.setViewPanel(dp);
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DrawController ml = new DrawController(a);
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dp.addMouseListener(ml);
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dp.addMouseMotionListener(ml);
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pc.add(r);
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pc.add(g);
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pc.add(b);
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pf.add(rect);
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pf.add(circ);
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pf.add(line);
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b.addActionListener(new Select(a));
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g.addActionListener(new Select(a));
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r.addActionListener(new Select(a));
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circ.addActionListener(new Select(a));
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rect.addActionListener(new Select(a));
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line.addActionListener(new Select(a));
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f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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f.getContentPane().add(dp, BorderLayout.CENTER);
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f.getContentPane().add(pc, BorderLayout.SOUTH);
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f.getContentPane().add(pf, BorderLayout.NORTH);
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f.setSize(400, 300);
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f.setVisible(true);
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}
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}
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////////////////////////////////////////////////
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// Controller (C)
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class DrawController implements MouseListener, MouseMotionListener {
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protected DrawModel model;
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protected int dragStartX, dragStartY;
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public DrawController(DrawModel a) {
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model = a;
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}
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public void mouseClicked(MouseEvent e) {
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}
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public void mousePressed(MouseEvent e) {
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dragStartX = e.getX();
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dragStartY = e.getY();
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model.createFigure(dragStartX, dragStartY);
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}
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public void mouseDragged(MouseEvent e) {
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model.reshapeFigure(dragStartX, dragStartY, e.getX(), e.getY());
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}
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public void mouseReleased(MouseEvent e) {
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model.reshapeFigure(dragStartX, dragStartY, e.getX(), e.getY());
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}
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public void mouseEntered(MouseEvent e) {
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}
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public void mouseExited(MouseEvent e) {
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}
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public void mouseMoved(MouseEvent e) {
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}
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}
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```
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1
コードを本文に記載
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -41,5 +41,6 @@
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|
|
41
41
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at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
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42
42
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at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
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```
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### 該当のソースコード ```java import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; // 描画した図形を記録する Figure クラス (継承して利用する) class Figure { protected int x, y, width, height; protected Color color; public Figure(int x, int y, int w, int h, Color c) { this.x = x; this.y = y; // this.x, this.y はインスタンス変数． width = w; height = h; // ローカル変数で同名の変数がある場合は，this color = c; // を付けると，インスタンス変数を指す． } public void setSize(int w, int h) { width = w; height = h; } public void setLocation(int x, int y) { this.x = x; this.y = y; } public void reshape(int x1, int y1, int x2, int y2) { } public void draw(Graphics g) { } } class CircleFigure extends Figure { public CircleFigure(int x, int y, int w, int h, Color c) { super(x, y, w, h, c); } public void reshape(int x1, int y1, int x2, int y2) { int newx = Math.min(x1, x2); int newy = Math.min(y1, y2); int neww = Math.abs(x1 - x2); int newh = Math.abs(y1 - y2); setLocation(newx, newy); setSize(neww, newh); } public void draw(Graphics g) { g.setColor(color); g.drawOval(x, y, width, height); } } class LineFigure extends Figure { public LineFigure(int x, int y, int w, int h, Color c) { super(x, y, w, h, c); } public void reshape(int x1, int y1, int x2, int y2) { setLocation(x1, y1); setSize(x2, y2); } public void draw(Graphics g) { g.setColor(color); g.drawLine(x, y, width, height); } } class RectangleFigure extends Figure { public RectangleFigure(int x, int y, int w, int h, Color c) { super(x, y, w, h, c); // 引数付きのコンストラクタは継承されないので，コンストラクタを定義． // superで親のコンストラクタを呼び出すだけ． } public void reshape(int x1, int y1, int x2, int y2) { int newx = Math.min(x1, x2); int newy = Math.min(y1, y2); int neww = Math.abs(x1 - x2); int newh = Math.abs(y1 - y2); setLocation(newx, newy); setSize(neww, newh); } public void draw(Graphics g) { g.setColor(color); g.drawRect(x, y, width, height); } } //////////////////////////////////////////////// // Model (M) // modelは java.util.Observableを継承する．Viewに監視される． class DrawModel extends Observable { protected ArrayList<Figure> fig; protected String figurelabel; protected Figure drawingFigure; protected Color currentColor; protected ViewPanel viewPanel; public DrawModel() { fig = new ArrayList<Figure>(); drawingFigure = null; currentColor = Color.red; } public void setViewPanel(ViewPanel c) { viewPanel = c; } public ArrayList<Figure> getFigures() { return fig; } public Figure getFigure(int idx) { return fig.get(idx); } public void createFigure(int x, int y) { Figure f = null; ; if (figurelabel == "rect") f = new RectangleFigure(x, y, 0, 0, currentColor); else if (figurelabel == "circ") f = new CircleFigure(x, y, 0, 0, currentColor); else if (figurelabel == "line") f = new LineFigure(x, y, x, y, currentColor); fig.add(f); drawingFigure = f; viewPanel.repaint(); setChanged(); notifyObservers(); } public void reshapeFigure(int x1, int y1, int x2, int y2) { if (drawingFigure != null) { drawingFigure.reshape(x1, y1, x2, y2); viewPanel.repaint(); setChanged(); notifyObservers(); } } public void changecolor(Color col) { currentColor = col; } public void changefigure(String fi) { figurelabel = fi; } } //////////////////////////////////////////////// // View (V) // Viewは，Observerをimplementsする．Modelを監視して， // モデルが更新されたupdateする．実際には，Modelから // update が呼び出される． class ViewPanel extends JPanel implements Observer { protected DrawModel model; public ViewPanel(DrawModel m) { this.setBackground(Color.white); model = m; model.addObserver(this); } public void paintComponent(Graphics g) { super.paintComponent(g); ArrayList<Figure> fig = model.getFigures(); for (int i = 0; i < fig.size(); i++) { Figure f = fig.get(i); f.draw(g); } } public void update(Observable o, Object arg) { repaint(); } } class Select implements ActionListener { DrawModel a; Select(DrawModel ap) { a = ap; } public void actionPerformed(ActionEvent e) { // 設定の変更 String es = e.getActionCommand(); if (es.equals("red")) a.changecolor(Color.red); if (es.equals("green")) a.changecolor(Color.green); if (es.equals("blue")) a.changecolor(Color.blue); if (es.equals("rect")) a.changefigure("rect"); if (es.equals("circ")) a.changefigure("circ"); if (es.equals("line")) a.changefigure("line"); } } ////////////////////////////////////////////////// // Main class // (GUIを組み立てているので，view の一部と考えてもよい) class DrawFrame extends JFrame { DrawModel model; ViewPanel view; DrawController cont; public static void main(String[] args) { JFrame f = new JFrame("Draw"); JPanel pc = new JPanel(); JPanel pf = new JPanel(); pc.setLayout(new GridLayout(1, 3)); pf.setLayout(new GridLayout(1, 3)); JButton r = new JButton("red"); JButton g = new JButton("green"); JButton b = new JButton("blue"); JButton rect = new JButton("rect"); JButton circ = new JButton("circ"); JButton line = new JButton("line"); r.setActionCommand("red"); g.setActionCommand("green"); b.setActionCommand("blue"); rect.setActionCommand("rect"); circ.setActionCommand("circ"); line.setActionCommand("line"); DrawModel a = new DrawModel(); ViewPanel dp = new ViewPanel(a); a.setViewPanel(dp); DrawController ml = new DrawController(a); dp.addMouseListener(ml); dp.addMouseMotionListener(ml); pc.add(r); pc.add(g); pc.add(b); pf.add(rect); pf.add(circ); pf.add(line); b.addActionListener(new Select(a)); g.addActionListener(new Select(a)); r.addActionListener(new Select(a)); circ.addActionListener(new Select(a)); rect.addActionListener(new Select(a)); line.addActionListener(new Select(a)); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.getContentPane().add(dp, BorderLayout.CENTER); f.getContentPane().add(pc, BorderLayout.SOUTH); f.getContentPane().add(pf, BorderLayout.NORTH); f.setSize(400, 300); f.setVisible(true); } } //////////////////////////////////////////////// // Controller (C) class DrawController implements MouseListener, MouseMotionListener { protected DrawModel model; protected int dragStartX, dragStartY; public DrawController(DrawModel a) { model = a; } public void mouseClicked(MouseEvent e) { } public void mousePressed(MouseEvent e) { dragStartX = e.getX(); dragStartY = e.getY(); model.createFigure(dragStartX, dragStartY); } public void mouseDragged(MouseEvent e) { model.reshapeFigure(dragStartX, dragStartY, e.getX(), e.getY()); } public void mouseReleased(MouseEvent e) { model.reshapeFigure(dragStartX, dragStartY, e.getX(), e.getY()); } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void mouseMoved(MouseEvent e) { } } ``` ### 試したこと コンパイルを行った. ``` 「DrawFrame.java:98: 警告:[deprecation] java.utilのObservableは推奨されません class DrawModel extends Observable { ^ DrawFrame.java:163: 警告:[deprecation] java.utilのObserverは推奨されません class ViewPanel extends JPanel implements Observer { ^ DrawFrame.java:181: 警告:[deprecation] java.utilのObservableは推奨されません public void update(Observable o, Object arg) { ^ 警告3個」 ``` といった警告を確認した.
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