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Class ChaosDemos.textControls

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----ChaosDemos.textControls

public class textControls

extends Panel

Version:

2 August 1997

Author:

Michael Cross

textControls(dynamicGraph, String[], String[], int)

Constructor with default TextBox length = 8

textControls(dynamicGraph, String[], String[], int, int)

Default constructor

action(Event, Object)

Event handler calls respondToText() method in parent

disableText(int)

Disables ith text box

enableText(int)

Enables ith text box

getText(int)

Gets value of ith textbox

hide(int)

Hides ith label and texbox

ncontrols()

Number of controls

parseTextField(int, double)

Parses text field known to be double.

parseTextField(int, double, boolean)

Parses text field known to be double and of known sign Resets old value of corresponding variable if input format is incorrect or wrong sign and brings up alertDialog warning box.

parseTextField(int, double, double, double)

Parses text field known to be double and in known range Resets old value of corresponding variable if input format is incorrect or out of range and brings up alertDialog warning box.

parseTextField(int, int)

Parses text field known to be integer.

parseTextField(int, int, boolean)

Parses text field known to be integer of known sign.

parseTextField(int, int, int, int)

Parses text field known to be integer in known range.

setLabelText(int, String)

Sets ith label

setText(int, String)

Sets value of ith textbox

show(int)

Shows ith label and texbox

showAll()

Shows all labels and texboxes

 public textControls(dynamicGraph target,
                     String text[],
                     String label[],
                     int n,
                     int length)

Default constructor

Parameters:

target - parent of type dynamicGraph

text[] - vector of text fields of TextBoxes

l[] - vector of text fields for labels

n - number of TextBoxes

length - length of TextBoxes

 public textControls(dynamicGraph target,
                     String text[],
                     String l[],
                     int n)

Constructor with default TextBox length = 8

Parameters:

target - parent of type dynamicGraph

text[] - vector of text fields of TextBoxes

l[] - vector of text fields for labels

n - number of TextBoxes

 public boolean action(Event evt,
                       Object arg)

Event handler calls respondToText() method in parent

Overrides:

action in class Component

 public int ncontrols()

Number of controls

Returns:

number of controls

 public int parseTextField(int n,
                           int i)

Parses text field known to be integer. Resets old value of corresponding variable if input format is incorrect and brings up alertDialog warning box.

Parameters:

n - index of textbox to read

i - old value of variable

Returns:

new value of parameter if textbox format is correct, otherwise old value.

See Also:

alertDialog

 public int parseTextField(int n,
                           int i,
                           boolean positive)

Parses text field known to be integer of known sign. Resets old value of corresponding variable if input format is incorrect or wrong sign and brings up alertDialog warning box.

Parameters:

n - index of textbox to read

i - old value of variable

positive - true if value should be positive

Returns:

new value of parameter if textbox format is correct, and value of correct sign, otherwise old value.

See Also:

alertDialog

 public int parseTextField(int n,
                           int i,
                           int min,
                           int max)

Parses text field known to be integer in known range. Resets old value of corresponding variable if input format is incorrect orout of range and brings up alertDialog warning box.

Parameters:

n - index of textbox to read

i - old value of variable

min - minimum value of allowed range

max - maximum value of allowed range

Returns:

new value of parameter if textbox format is correct, and value in of range, otherwise old value.

See Also:

alertDialog

 public double parseTextField(int n,
                              double d)

Parses text field known to be double. Resets old value of corresponding variable if input format is incorrect and brings up alertDialog warning box.

Parameters:

n - index of textbox to read

d - old value of variable

Returns:

new value of parameter if textbox format is correct, otherwise old value.

See Also:

alertDialog

 public double parseTextField(int n,
                              double d,
                              boolean positive)

Parses text field known to be double and of known sign Resets old value of corresponding variable if input format is incorrect or wrong sign and brings up alertDialog warning box.

Parameters:

n - index of textbox to read

d - old value of variable

positive - true if positive, false if negative

Returns:

new value of parameter if textbox format is correct, and value in range, otherwise old value .

See Also:

alertDialog

 public double parseTextField(int n,
                              double d,
                              double min,
                              double max)

Parses text field known to be double and in known range Resets old value of corresponding variable if input format is incorrect or out of range and brings up alertDialog warning box.

Parameters:

n - index of textbox to read

d - old value of variable

min - minimum value of allowed range

max - maximum value of allowed range

Returns:

new value of parameter if textbox format is correct, and value in range, otherwise old value .

See Also:

alertDialog

 public void setLabelText(int i,
                          String text)

Sets ith label

Parameters:

i - index of label

text - label

 public void setText(int i,
                     String text)

Sets value of ith textbox

Parameters:

i - index of textbox

text - value to be set

 public String getText(int i)

Gets value of ith textbox

Parameters:

i - index of textbox

Returns:

content of textbox

 public void hide(int i)

Hides ith label and texbox

Parameters:

i - index

 public void show(int i)

Shows ith label and texbox

Parameters:

i - index

 public void showAll()

Shows all labels and texboxes

 public void disableText(int i)

Disables ith text box

Parameters:

i - index

 public void enableText(int i)

Enables ith text box

Parameters:

i - index

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