GrafikFrame und View mal eingefügt aber noch nicht eingebunden

Ich hab überall wo der Frame eingebunden werden muss die sachen auskommentiert und ToDos eingefügt
2023-12-18 11:21:08 +01:00
parent 78c5d8eedf
commit 64a6047ca4
8 changed files with 454 additions and 93 deletions
@@ -0,0 +1,143 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+
+package ChatProgramm.view;
+
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.geom.Rectangle2D;
+import java.awt.geom.Line2D;
+import java.awt.print.PageFormat;
+import java.awt.print.Printable;
+import java.awt.print.PrinterException;
+import java.awt.print.PrinterJob;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+import javax.print.attribute.HashPrintRequestAttributeSet;
+import javax.print.attribute.standard.DialogTypeSelection;
+import javax.swing.JComponent;
+import javax.swing.JOptionPane;
+import ChatProgramm.model.GrafikModel;
+import ChatProgramm.util.OhmLogger;
+
+
+/**
+ *
+ * @author le
+ */
+public class GrafikView extends JComponent implements Printable
+{
+  private static Logger lg = OhmLogger.getLogger();
+  private static Dimension EINS = new Dimension(1, 1); // Dimension ist eine Klasse die width udn height hält
+  private Rectangle2D.Float pixel;
+  private Line2D.Float line;
+  private GrafikModel model;
+  
+  private Point from = null;
+  private Point to = null;
+  
+  public GrafikView()
+  {
+    pixel = new Rectangle2D.Float();
+    line = new Line2D.Float();
+  }
+
+  public void setModel(GrafikModel model)
+  {
+    this.model = model;
+  }
+  
+  
+
+  /**
+   * Zeichnet den aktuellen Pfad (solange die maus gedrückt gehalten wird)
+   * @param p -> Der aktuelle punkt als x-y-Koordinate
+   */
+  public void drawPoint(Point p)
+  {
+    Graphics2D g2 = (Graphics2D)this.getGraphics(); // gefährlich!
+
+    drawPath(model.getPunkte(),g2);
+
+    g2.dispose();  //SEEEEHHHHRRRR WICHTIG!!!!!!!
+  }
+  
+  
+  /**
+   * Hier werden alle Pfade aus dem model neu gezeichnet
+   * Jedes mal wenn die Maus los gelassen wird, wird dder aktuelle Pfad gespeichert
+   * @param g 
+   */
+  @Override
+  public void paintComponent(Graphics g)
+  {
+    if (model == null) return;
+    super.paintComponent(g);
+    Graphics2D g2 = (Graphics2D)g;
+    
+    
+    model.getFiguren().forEach(figuren->
+    {
+        drawPath(figuren.getPunkte(),g2);
+    });
+  }
+  
+  public void drawPath(List<Point> path, Graphics2D g2){     
+    from = path.getFirst();
+    to = null;
+    
+     path.forEach(point->
+     {
+         to = point;
+         line.setLine(from,to);
+         g2.draw(line);
+         from = to;
+           
+     });
+  }
+  
+  
+  public void doPrint()
+  {
+    HashPrintRequestAttributeSet printSet =
+     new HashPrintRequestAttributeSet();
+    printSet.add(DialogTypeSelection.NATIVE);
+    PrinterJob pj = PrinterJob.getPrinterJob();
+    pj.setPrintable(this);
+    //Dialog
+    if (pj.printDialog(printSet))
+    {
+      try
+      {
+        pj.print(printSet);
+      }
+      catch (Exception ex)
+      {
+        JOptionPane.showMessageDialog(this, ex.toString());
+      }
+    }
+  }
+
+  @Override
+  public int print(Graphics gp, PageFormat pf, int pageIndex) throws PrinterException
+  {
+    Graphics2D g2p = (Graphics2D)gp;
+    if (pageIndex == 0)
+    {
+      g2p.translate(pf.getImageableX(), pf.getImageableY());
+      g2p.scale(pf.getImageableWidth() / this.getWidth(),
+                pf.getImageableHeight() / this.getHeight());
+      super.print(g2p);
+      return Printable.PAGE_EXISTS;
+    }
+    else
+    {
+      return Printable.NO_SUCH_PAGE; // wichtig sonst Papiervernichtung
+    }
+  }
+}