package com.fxexperience.javafx.scene.control.skin;
import com.fxexperience.javafx.scene.control.WebColorField;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.scene.Node;
import javafx.scene.paint.Color;
/**
*/
public class WebColorFieldSkin extends InputFieldSkin {
private InvalidationListener integerFieldValueListener;
/**
* Create a new IntegerFieldSkin.
* @param control The IntegerField
*/
public WebColorFieldSkin(final WebColorField control) {
super(control);
// Whenever the value changes on the control, we need to update the text
// in the TextField. The only time this is not the case is when the update
// to the control happened as a result of an update in the text textField.
control.valueProperty().addListener(integerFieldValueListener = new InvalidationListener() {
@Override public void invalidated(Observable observable) {
updateText();
}
});
}
@Override public WebColorField getSkinnable() {
return (WebColorField) control;
}
@Override public Node getNode() {
return getTextField();
}
/**
* Called by a Skinnable when the Skin is replaced on the Skinnable. This method
* allows a Skin to implement any logic necessary to clean up itself after
* the Skin is no longer needed. It may be used to release native resources.
* The methods {@link #getSkinnable()} and {@link #getNode()}
* should return null following a call to dispose. Calling dispose twice
* has no effect.
*/
@Override public void dispose() {
((WebColorField) control).valueProperty().removeListener(integerFieldValueListener);
super.dispose();
}
protected boolean accept(String text) {
if (text.length() == 0) return true;
if (text.matches("#[a-fA-F0-9]{0,6}")) {
return true;
}
return false;
}
protected void updateText() {
Color color = ((WebColorField) control).getValue();
if (color == null) color = Color.BLACK;
getTextField().setText(getWebColor(color));
}
protected void updateValue() {
Color value = ((WebColorField) control).getValue();
String text = getTextField().getText() == null ? "" : getTextField().getText().trim().toUpperCase();
if (text.matches("#[A-F0-9]{6}")) {
try {
Color newValue = Color.web(text);
if (!newValue.equals(value)) {
((WebColorField) control).setValue(newValue);
}
} catch (java.lang.IllegalArgumentException ex) {
System.out.println("Failed to parse ["+text+"]");
}
}
}
private static String getWebColor(Color color) {
final int red = (int)(color.getRed()*255);
final int green = (int)(color.getGreen()*255);
final int blue = (int)(color.getBlue()*255);
return "#" + String.format("%02X", red) +
String.format("%02X", green) +
String.format("%02X", blue);
}
}