package net.sourceforge.squirrel_sql.fw.datasetviewer.cellcomponent;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.text.NumberFormat;
import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.JRadioButton;
import net.sourceforge.squirrel_sql.fw.gui.OkJPanel;
import net.sourceforge.squirrel_sql.fw.util.StringManager;
import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
public abstract class FloatingPointBase extends BaseDataTypeComponent
{
private static final StringManager s_stringMgr =
StringManagerFactory.getStringManager(FloatingPointBase.class);
// flag for whether we have already loaded the properties or not
private static boolean propertiesAlreadyLoaded = false;
// flag for whether to use the default Java format (true)
// or the Locale-dependent format (false)
protected static boolean useJavaDefaultFormat = false;
/**
* Generate a JPanel containing controls that allow the user
* to adjust the properties for this DataType.
* All properties are static accross all instances of this DataType.
* However, the class may choose to apply the information differentially,
* such as keeping a list (also entered by the user) of table/column names
* for which certain properties should be used.
* <P>
* This is called ONLY if there is at least one property entered into the DTProperties
* for this class.
* <P>
* Since this method is called by reflection on the Method object derived from this class,
* it does not need to be included in the Interface.
* It would be nice to include this in the Interface for consistancy, documentation, etc,
* but the Interface does not seem to like static methods.
*/
public static OkJPanel getControlPanel() {
/*
* If you add this method to one of the standard DataTypes in the
* fw/datasetviewer/cellcomponent directory, you must also add the name
* of that DataType class to the list in CellComponentFactory, method
* getControlPanels, variable named initialClassNameList.
* If the class is being registered with the factory using registerDataType,
* then you should not include the class name in the list (it will be found
* automatically), but if the DataType is part of the case statement in the
* factory method getDataTypeObject, then it does need to be explicitly listed
* in the getControlPanels method also.
*/
// if this panel is called before any instances of the class have been
// created, we need to load the properties from the DTProperties.
loadProperties();
return new FloatingPointOkJPanel();
}
public FloatingPointBase()
{
loadProperties();
}
private static void loadProperties() {
//set the property values
// Note: this may have already been done by another instance of
// this DataType created to handle a different column.
if (propertiesAlreadyLoaded == false) {
// get parameters previously set by user, or set default values
useJavaDefaultFormat = false; // set to use the Java default
String useJavaDefaultFormatString = DTProperties.get(DataTypeBigDecimal.class.getName(), "useJavaDefaultFormat");
if (useJavaDefaultFormatString != null && useJavaDefaultFormatString.equals("true"))
{
useJavaDefaultFormat =true;
}
}
}
/**
* Inner class that extends OkJPanel so that we can call the ok()
* method to save the data when the user is happy with it.
*/
private static class FloatingPointOkJPanel extends OkJPanel
{
private static final long serialVersionUID = 3745853322636427759L;
JRadioButton optUseDefaultFormat;
JRadioButton optUseLocaleDependendFormat;
public FloatingPointOkJPanel()
{
NumberFormat numberFormat = NumberFormat.getInstance();
numberFormat.setMaximumFractionDigits(5);
optUseDefaultFormat =
new JRadioButton(s_stringMgr.getString("floatingPointBase.useDefaultFormat", new Double(3.14159).toString()));
optUseLocaleDependendFormat =
new JRadioButton(s_stringMgr.getString("floatingPointBase.uselocaleDependendFormat", numberFormat.format(new Double(3.14159))));
setBorder(BorderFactory.createTitledBorder(s_stringMgr.getString("floatingPointBase.typeBigDecimal")));
setLayout(new GridBagLayout());
GridBagConstraints gbc;
gbc = new GridBagConstraints(0,0,1,1,0,0,GridBagConstraints.NORTHWEST,GridBagConstraints.HORIZONTAL, new Insets(4, 4, 4, 4),0,0);
add(optUseLocaleDependendFormat, gbc);
gbc = new GridBagConstraints(0,1,1,1,0,0,GridBagConstraints.NORTHWEST,GridBagConstraints.HORIZONTAL, new Insets(0, 4, 4, 4),0,0);
add(optUseDefaultFormat, gbc);
ButtonGroup bg = new ButtonGroup();
bg.add(optUseDefaultFormat);
bg.add(optUseLocaleDependendFormat);
optUseLocaleDependendFormat.setSelected(!useJavaDefaultFormat);
optUseDefaultFormat.setSelected(useJavaDefaultFormat);
}
/**
* User has clicked OK in the surrounding JPanel,
* so save the current state of all variables
*/
public void ok()
{
// get the values from the controls and set them in the static properties
useJavaDefaultFormat = optUseDefaultFormat.isSelected();
DTProperties.put(DataTypeBigDecimal.class.getName(),
"useJavaDefaultFormat",
Boolean.valueOf(useJavaDefaultFormat).toString());
}
} // end of inner class
}