Dateien nach "visualization" hochladen

visualization/DrawArea.java

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+/**
+ * 
+ */
+package visualization;
+
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+
+import logging.LogElement;
+import logging.LogElementList;
+
+/**
+ * This class provides the basic draw area for a HybridWindow. 
+ * Use it in assoziation with packages logging and visualization. 
+ * Just overwrite the draw(Graphics) method to get a graphic output from a log list element. 
+ * Parameters for algorithm processing are read from member parameterArea that ist part of the user interface. 
+ * @see LogElement
+ * @see LogElementList
+ * @see visualization.HybridWindow
+ * @see javax.swing.JPanel
+ * @author Björn Strobel<br><small>
+ * University of Cooperative Education Stuttgart, 
+ * Campus Horb<br>
+ * Department of Information Technology<br>
+ * it2003<br></small>
+ */
+public abstract class DrawArea<LOG extends LogElement>extends JPanel{
+	
+	/** The draw area's scroll pane. */
+	protected JScrollPane scrollPane;
+	/** The log element list where the draw area gets the log elements to draw. */
+	protected LogElementList<LOG>logList;
+	/** The name to be displayed on the draw area's tab in the hybrid window. */
+	protected String drawAreaName;
+	
+	/**
+	 * Standard constructor. 
+	 * Creates an empty draw area with scroll pane.
+	 */
+	public DrawArea() {
+		super();
+		
+		scrollPane=new JScrollPane(this);
+		
+		setBackground(new Color(194,177,255));
+        setForeground(new Color(0,0,0));
+	}
+	
+	/**
+	 * Creates an empty draw area with scroll pane and sets the specified log list and tab name.
+	 * @param logList the draw area's log list
+	 * @param drawAreaName the name for the draw area to be displayed on the hybrid window's tab
+	 */
+	public DrawArea(LogElementList<LOG>logList,String drawAreaName){
+		super();
+		
+		scrollPane=new JScrollPane(this);
+		
+		setBackground(new Color(194,177,255));
+        setForeground(new Color(0,0,0));
+        
+        this.logList=logList;	
+        this.drawAreaName=drawAreaName;
+	}
+	
+	/**
+	 * Returns the draw area'a scroll pane.
+	 * @return the draw area'a scroll pane
+	 */
+	public JScrollPane getScrollPane(){
+		return scrollPane;
+	}
+	
+	/**
+	 * Sets the draw area's log list.
+	 * @param logList the draw area's log list
+	 */
+	public void setLogList(LogElementList<LOG>logList){
+		this.logList=logList;
+	}
+	
+	/**
+	 * Gets the draw area's name
+	 * @return the name to be returned
+	 */
+	public String getDrawAreaName() {
+		return drawAreaName;
+	}
+
+	/**
+	 * Sets the draw area's name
+	 * @param drawAreaName the name to be set
+	 */
+	public void setDrawAreaName(String drawAreaName) {
+		this.drawAreaName = drawAreaName;
+	}
+
+	/**
+	 * Calls repaint().
+	 */
+	public void drawStep(){
+		repaint();
+	}
+	
+	/**
+	 * Paints the draw area background and calls draw(Graphics).
+	 */
+	public void paint(Graphics g){
+		super.paint(g);
+		if(logList.isInitialized()){
+			draw(g);
+		}
+	}
+	
+	/**
+	 * Draws the actual log element's graphical output.
+	 * @param g Graphics object given by paint(Graphics);
+	 */
+	public void draw(Graphics g){
+		LogElement logElement=(LogElement)logList.get();
+		g.drawString(logElement.getDescription(),20,20);
+	}
+	
+	/**
+	 * Provided for convenience. Does the same as drawStep.
+	 * Use it with logElementList.clear().
+	 */
+	public void clear(){
+		repaint();
+	}
+}