aud.example.A234TreeExample Class Reference

example: insert entries More...

Inheritance diagram for aud.example.A234TreeExample:

Collaboration diagram for aud.example.A234TreeExample:

Classes
class	MyA234Tree

Public Member Functions
	A234TreeExample (boolean bottom_up)
	create application instance More...
MyA234Tree	getTree ()
Public Member Functions inherited from aud.util.SingleStepper
	SingleStepper (JFrame parent)
	create new instance More...
	SingleStepper (String caption)
	create new instance More...
JFrame	parent ()
	get parent widget More...
void	halt (String text, int timeout)
	display text and wait for user or timeout More...
void	setTimeout (int timeout)
	Set global timeout. More...
SingleStepper	whereAmI ()
	print location of calling code More...
SingleStepper	showSource ()
	jmp to caller's location in editor (emacs only) More...
void	halt (String text)
	display text and wait for user (or global timeout) More...
void	halt ()
	wait for user More...

Static Public Member Functions
static void	main (String[] args)
	start interactive example More...
static void	main (String[] args)

Protected Member Functions
void	onHalt ()
Protected Member Functions inherited from aud.util.SingleStepper
JComponent	createComponents ()
void	onNext ()
	call on button pressed More...
void	println (String text)
	print to both, text area and stdout More...
void	onHalt ()

Protected Attributes
MyA234Tree	tree_ = null
DotViewer	viewer_
Protected Attributes inherited from aud.util.SingleStepper
JFrame	frame
JTextArea	history
JButton	next
Object	monitor = new Object()
int	timeout = 0

Detailed Description

example: insert entries

See also

aud.A234Tree

Definition at line 12 of file A234TreeExample.java.

Constructor & Destructor Documentation

A234TreeExample()

aud.example.A234TreeExample.A234TreeExample

(

boolean

bottom_up

)

create application instance

Definition at line 33 of file A234TreeExample.java.

                                            {
    super("aud.example.A234TreeExample");
    tree_=new MyA234Tree(this,bottom_up);
  }

References aud.example.A234TreeExample.tree_.

Member Function Documentation

getTree()

MyA234Tree aud.example.A234TreeExample.getTree

(

)

Definition at line 38 of file A234TreeExample.java.

{ return tree_; }

References aud.example.A234TreeExample.tree_.

Referenced by aud.example.A234TreeExample.main().

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main()

static void aud.example.A234TreeExample.main ( String[]  args )

static

start interactive example

Reimplemented from aud.util.SingleStepper.

Definition at line 46 of file A234TreeExample.java.

                                         {
 
    final String HELP=
      "usage: java aud.example.A234TreeExample [pause] [bottom-up]\n"+
      "       Reads and insert words from standard input.\n"+
      "       'quit' quits.\n"+
      "\tpause [milliseconds] set pause between animation steps\n"+
      "\t      A value of 0 requires to explicitly push the 'continue'\n"+
      "\t      button. The default value is 0 (or the value of then\n"+
      "\t      environment variable 'AUD_TIMEOUT')!\n"+
      "\tbottom-up  select bottom-up splitting on insertion\n"
      ;
 
    A234TreeExample app=new A234TreeExample(args.length>1);
 
    if (args.length>0) {
      try {
        app.setTimeout(Integer.parseInt(args[0]));
      } catch (NumberFormatException e) {
        System.err.println(HELP);
        System.exit(-1);
      }
    }
 
    app.halt("EMPTY TREE");
 
    Scanner s=new Scanner(System.in);
    s.useDelimiter("\\s+");
 
    while (s.hasNext()) {
      String key=s.next();
      if (key.compareTo("quit")==0)
        break;
      else {
        app.getTree().insert(key);
        app.halt("inserted '"+key);
      }
    }
    app.halt("QUIT");
    System.exit(0);
  }

References aud.example.A234TreeExample.getTree(), aud.util.SingleStepper.halt(), and aud.util.SingleStepper.setTimeout().

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onHalt()

void aud.example.A234TreeExample.onHalt ( )

protected

Reimplemented from aud.util.SingleStepper.

Definition at line 40 of file A234TreeExample.java.

                                    {
    if (tree_!=null)
      viewer_.display(tree_);
  }

References aud.util.DotViewer.display(), aud.example.A234TreeExample.tree_, and aud.example.A234TreeExample.viewer_.

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Member Data Documentation

tree_

MyA234Tree aud.example.A234TreeExample.tree_ = null

protected

Definition at line 28 of file A234TreeExample.java.

Referenced by aud.example.A234TreeExample.A234TreeExample(), aud.example.A234TreeExample.getTree(), and aud.example.A234TreeExample.onHalt().

viewer_

DotViewer aud.example.A234TreeExample.viewer_

protected

Initial value:

= DotViewer.displayWindow
    ((String) null,"aud.example.A234TreeExample")

Definition at line 29 of file A234TreeExample.java.

Referenced by aud.example.A234TreeExample.onHalt().

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The documentation for this class was generated from the following file:

• A234TreeExample.java