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// CLASSIFICATION: UNCLASSIFIED
package mspccs_spreadsheet_tester.utility;
public class Utility
{
/**
* Center a component over its parent.
*/
public static void center(java.awt.Container parent, java.awt.Component comp)
{
int x, y;
java.awt.Rectangle boundingRect;
java.awt.Dimension compSize = comp.getSize();
// If Container is null then our bounding rectangle is the whole screen
if (parent == null)
{
boundingRect = new java.awt.Rectangle(comp.getToolkit().getScreenSize());
boundingRect.setLocation(0,0);
}
// Else bounding rectangle is the Container
else
boundingRect = parent.getBounds();
// Place the component so its center is the same
// as the center of the bounding rectangle
x = boundingRect.x + ((boundingRect.width/2) - (compSize.width/2));
y = boundingRect.y + ((boundingRect.height/2) - (compSize.height/2));
comp.setLocation(x, y);
}
/**
* Change title bar icon.
*/
public static void setIcon(javax.swing.JFrame jFrame, String icon)
{
java.net.URL url = jFrame.getClass().getResource(icon);
try
{
java.awt.Image img = jFrame.createImage((java.awt.image.ImageProducer)url.getContent());
jFrame.setIconImage(img);
}
catch (Exception e)
{
e.printStackTrace();
}
}
/**
* Extract a code from a string of the form code: name.
*/
public static String parseString(String str)
{
String result = "";
java.util.StringTokenizer strTokenizer = new java.util.StringTokenizer(str, ":");
if (strTokenizer.hasMoreTokens())
result = strTokenizer.nextToken();
return result;
}
/**
* Return the text field value as a double.
*/
public static double getDoubleTextField(javax.swing.JTextField textField)
{
return Double.parseDouble(textField.getText().trim());
}
/**
* Convert a string to double.
*/
public static double toDouble(String str)
{
return Double.parseDouble(str);
}
/**
* Set a text field with the given value using a precision of 10.
*/
public static void setTextField(javax.swing.JTextField textField, double value)
{
int precision = 10;
java.text.NumberFormat nf = java.text.NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(precision);
nf.setMinimumFractionDigits(precision);
nf.setGroupingUsed(false);
textField.setText(nf.format(value));
textField.setCaretPosition(0);
}
/**
* Set a text field with the given value using the given precision.
*/
public static void setTextField(javax.swing.JTextField textField, double value, int precision)
{
java.text.NumberFormat nf = java.text.NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(precision);
nf.setMinimumFractionDigits(precision);
nf.setGroupingUsed(false);
textField.setText(nf.format(value));
textField.setCaretPosition(0);
}
}// CLASSIFICATION: UNCLASSIFIED
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