package com.limegroup.gnutella.gui.options.panes;
import java.io.IOException;
import java.util.Hashtable;
import javax.swing.JLabel;
import javax.swing.JSlider;
import com.limegroup.gnutella.gui.GUIMediator;
import com.limegroup.gnutella.gui.LabeledComponent;
import com.limegroup.gnutella.gui.SizedWholeNumberField;
import com.limegroup.gnutella.gui.WholeNumberField;
import com.limegroup.gnutella.settings.SharingSettings;
/**
* This class defines the advanced panel in the options window that allows
* the user to change the limit who is able to connect with them.
*/
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public final class ConnectionPreferencingPaneItem extends AbstractPaneItem {
/**
* Constant for the key of the locale-specific <code>String</code> for the
* label of the box only for specifying freeloader status.
*/
private final String BOX_LABEL_KEY =
"OPTIONS_CONNECT_PREF_BOX_LABEL";
/**
* Constant for the key of the locale-specific <code>String</code> for the
* label for the freeloader slider
*/
private final String SLIDER_LABEL_KEY =
"OPTIONS_CONNECT_PREF_SLIDER_LABEL";
/**
* Constant for the key of the locale-specific <code>String</code> for the
* label for the low end of the slider.
*/
private final String SLIDER_MIN_LABEL_KEY =
"OPTIONS_CONNECT_PREF_SLIDER_MIN_LABEL";
/**
* Constant for the key of the locale-specific <code>String</code> for the
* label for the high end of the slider.
*/
private final String SLIDER_MAX_LABEL_KEY =
"OPTIONS_CONNECT_PREF_SLIDER_MAX_LABEL";
/**
* Handle to the <tt>WholeNumberField</tt> that displays the minimum
* number of files you must be sharing to not be considered a freeloader
*/
private final WholeNumberField FILES_FIELD =
new SizedWholeNumberField(SharingSettings.FREELOADER_FILES.getValue(), 3);
/**
* Handle to the <tt>JSlider</tt> instance that allows the user to
* specify the frequency of applying the rule.
*/
private JSlider _slider;
/**
* The constructor constructs all of the elements of this
* <tt>AbstractPaneItem</tt>. This includes the row of buttons that
* allow the user to select the save directory.
*
* @param key the key for this <tt>AbstractPaneItem</tt> that the
* superclass uses to generate strings
*/
public ConnectionPreferencingPaneItem(final String key) {
super(key);
final int MIN_VALUE = 10;
final int MAX_VALUE = 100;
int initialValue=Math.max(MIN_VALUE, SharingSettings.FREELOADER_ALLOWED.getValue());
_slider = new JSlider(MIN_VALUE, MAX_VALUE, initialValue);
Hashtable labels=new Hashtable();
String labelMinStr = GUIMediator.getStringResource(SLIDER_MIN_LABEL_KEY);
String labelMaxStr = GUIMediator.getStringResource(SLIDER_MAX_LABEL_KEY);
JLabel minLabel = new JLabel(labelMinStr);
JLabel maxLabel = new JLabel(labelMaxStr);
labels.put(new Integer(MIN_VALUE), minLabel);
labels.put(new Integer(MAX_VALUE), maxLabel);
_slider.setLabelTable(labels);
_slider.setPaintLabels(true);
LabeledComponent comp0 =
new LabeledComponent(BOX_LABEL_KEY, FILES_FIELD);
LabeledComponent comp1 =
new LabeledComponent(SLIDER_LABEL_KEY, _slider);
add(comp0.getComponent());
add(getVerticalSeparator());
add(comp1.getComponent());
}
/**
* Defines the abstract method in <tt>AbstractPaneItem</tt>.<p>
*
* Sets the options for the fields in this <tt>PaneItem</tt> when the
* window is shown.
*/
public void initOptions() {
FILES_FIELD.setValue(SharingSettings.FREELOADER_FILES.getValue());
_slider.setValue(SharingSettings.FREELOADER_ALLOWED.getValue());
}
/**
* Defines the abstract method in <tt>AbstractPaneItem</tt>.<p>
*
* Applies the options currently set in this window, displaying an
* error message to the user if a setting could not be applied.
*
* @throws IOException if the options could not be applied for some reason
*/
public boolean applyOptions() throws IOException {
try {
SharingSettings.FREELOADER_FILES.setValue(FILES_FIELD.getValue());
SharingSettings.FREELOADER_ALLOWED.setValue(_slider.getValue());
} catch (IllegalArgumentException e) {
}
return false;
}
public boolean isDirty() {
return SharingSettings.FREELOADER_FILES.getValue() != FILES_FIELD.getValue() ||
SharingSettings.FREELOADER_ALLOWED.getValue() != _slider.getValue();
}
}