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Experimental components for JavaFX 2
/**
* Copyright (c) 2011, JFXtras
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jfxtras.labs.internal.scene.control.skin;
import java.util.Calendar;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.binding.Bindings;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.control.TextField;
import javafx.scene.control.Tooltip;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.ColumnConstraints;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Pane;
import javafx.scene.layout.Priority;
import javafx.stage.Popup;
import jfxtras.labs.internal.scene.control.behavior.CalendarTimeTextFieldBehavior;
import jfxtras.labs.scene.control.CalendarTimePicker;
import jfxtras.labs.scene.control.CalendarTimeTextField;
import jfxtras.labs.util.NodeUtil;
import com.sun.javafx.scene.control.skin.SkinBase;
/**
*
* @author Tom Eugelink
*
* Possible extension: drop down list or grid for quick selection
*/
public class CalendarTimeTextFieldCaspianSkin extends SkinBase
{
// ==================================================================================================================
// CONSTRUCTOR
/**
*
*/
public CalendarTimeTextFieldCaspianSkin(CalendarTimeTextField control)
{
super(control, new CalendarTimeTextFieldBehavior(control));
construct();
// show where the skin is loaded from (for debugging in Ensemble) System.out.println("!!! " + this.getClass().getProtectionDomain().getCodeSource().getLocation());
}
/*
*
*/
private void construct()
{
// setup component
createNodes();
// react to value changes in the model
getSkinnable().valueProperty().addListener(new InvalidationListener() // invalidation is also fired if there is no change (which is the case if a time if blocked to the existing time), but the text must be refreshed
{
@Override
public void invalidated(Observable arg0)
{
refreshValue();
}
});
refreshValue();
}
/*
*
*/
private void refreshValue()
{
// write out to textfield
Calendar c = getSkinnable().getValue();
String s = CalendarTimePickerSkin.calendarTimeToText(c);
textField.setText( s );
}
// ==================================================================================================================
// DRAW
/**
* construct the nodes
*/
private void createNodes()
{
// the main textField
textField = new TextField();
textField.focusedProperty().addListener(new InvalidationListener()
{
@Override
public void invalidated(Observable arg0)
{
if (textField.isFocused() == false)
{
parse();
}
}
});
textField.setOnAction(new EventHandler()
{
@Override
public void handle(ActionEvent evt)
{
parse();
}
});
textField.setOnKeyPressed(new EventHandler()
{
@Override
public void handle(KeyEvent keyEvent)
{
if (keyEvent.getCode() == KeyCode.UP || keyEvent.getCode() == KeyCode.DOWN)
{
// parse the content
parse();
// get the calendar to modify
Calendar lCalendar = (Calendar)getSkinnable().getValue().clone();
// modify
if (keyEvent.isControlDown()) lCalendar.add(Calendar.HOUR_OF_DAY, keyEvent.getCode() == KeyCode.UP ? 1 : -1);
else lCalendar.add(Calendar.MINUTE, keyEvent.getCode() == KeyCode.UP ? getSkinnable().getMinuteStep() : -1 * getSkinnable().getMinuteStep());
// set it
getSkinnable().setValue( CalendarTimePickerSkin.blockMinutesToStep(lCalendar, getSkinnable().getMinuteStep()) );
}
}
});
// bind the textField's tooltip to our (so it will show up) and give it a default value describing the mutation features
// TODO: internationalize the tooltip
textField.tooltipProperty().bind(getSkinnable().tooltipProperty()); // order is important, because the value of the first field is overwritten initially with the value of the last field
getSkinnable().setTooltip(new Tooltip("Type a time or use # for now, or +/-[h|m] for delta's (for example: -3m for minus 3 minutes)\nUse cursor up and down plus optional ctrl (hour) for quick keyboard changes."));
textField.promptTextProperty().bind(getSkinnable().promptTextProperty());
// the icon
Image lImage = new Image(this.getClass().getResourceAsStream(this.getClass().getSimpleName() + "Icon.png"));
imageView = new ImageView(lImage);
imageView.setPickOnBounds(true);
imageView.setOnMouseClicked(new EventHandler()
{
@Override public void handle(MouseEvent evt)
{
if (textField.focusedProperty().get() == true)
{
parse();
}
showPopup(evt);
}
});
// construct a gridpane: one row, two columns
gridPane = new GridPane();
gridPane.setHgap(3);
gridPane.add(textField, 0, 0);
gridPane.add(imageView, 1, 0);
ColumnConstraints column0 = new ColumnConstraints(100, 10, Double.MAX_VALUE);
column0.setHgrow(Priority.ALWAYS);
gridPane.getColumnConstraints().addAll(column0); // first column gets any extra width
// add to self
this.getStyleClass().add(this.getClass().getSimpleName()); // always add self as style class, because CSS should relate to the skin not the control
getChildren().add(gridPane);
// focus
this.focusedProperty().addListener(new ChangeListener()
{
@Override
public void changed(ObservableValue observableValue, Boolean oldValue, Boolean newValue)
{
if (newValue == true)
{
textField.requestFocus();
}
}
});
// prep the picker
TimePicker = new CalendarTimePicker();
// bind our properties to the picker's
Bindings.bindBidirectional(TimePicker.calendarProperty(), getSkinnable().valueProperty()); // order is important, because the value of the first field is overwritten initially with the value of the last field
Bindings.bindBidirectional(TimePicker.minuteStepProperty(), getSkinnable().minuteStepProperty()); // order is important, because the value of the first field is overwritten initially with the value of the last field
Bindings.bindBidirectional(TimePicker.showLabelsProperty(), getSkinnable().showLabelsProperty()); // order is important, because the value of the first field is overwritten initially with the value of the last field
// close icon
closeIconImage = new Image(this.getClass().getResourceAsStream(this.getClass().getSimpleName() + "CloseWindowIcon.png"));
}
private TextField textField = null;
private ImageView imageView = null;
private GridPane gridPane = null;
private CalendarTimePicker TimePicker = null;
private Image closeIconImage = null;
/**
* parse the contents that was typed in the textfield
*/
private void parse()
{
try
{
// get the text to parse
String lText = textField.getText();
lText = lText.trim();
if (lText.length() == 0)
{
getSkinnable().setValue(null);
return;
}
// starts with - means substract days
if (lText.startsWith("-") || lText.startsWith("+"))
{
// + has problems
if (lText.startsWith("+")) lText = lText.substring(1);
// special units hour, minute
// TODO: internationalize?
int lUnit = Calendar.DATE;
if (lText.toLowerCase().endsWith("m")) { lText = lText.substring(0, lText.length() - 1); lUnit = Calendar.MINUTE; }
if (lText.toLowerCase().endsWith("h")) { lText = lText.substring(0, lText.length() - 1); lUnit = Calendar.HOUR_OF_DAY; }
// parse the delta
int lDelta = Integer.parseInt(lText);
Calendar lCalendar = (Calendar)getSkinnable().getValue().clone(); // TODO locale
lCalendar.add(lUnit, lDelta);
// set the value
getSkinnable().setValue( CalendarTimePickerSkin.blockMinutesToStep(lCalendar, getSkinnable().getMinuteStep()) );
}
else if (lText.equals("#"))
{
// set the value
getSkinnable().setValue( CalendarTimePickerSkin.blockMinutesToStep(Calendar.getInstance(), getSkinnable().getMinuteStep()) ); // TODO locale
}
else
{
// parse using the formatter
int lIdx = lText.indexOf(":");
if (lIdx > 0)
{
int lHour = Integer.parseInt(lText.substring(0, lIdx));
int lMinute = Integer.parseInt(lText.substring(lIdx + 1));
Calendar lCalendar = (getSkinnable().getValue() != null ? (Calendar)getSkinnable().getValue().clone() : Calendar.getInstance());
lCalendar.set(Calendar.HOUR_OF_DAY, lHour);
lCalendar.set(Calendar.MINUTE, lMinute);
getSkinnable().setValue( CalendarTimePickerSkin.blockMinutesToStep(lCalendar, getSkinnable().getMinuteStep()) );
}
else
{
refreshValue();
}
}
}
catch (Throwable t)
{
// TODO: show error in popup
t.printStackTrace();
}
}
/*
*
*/
private void showPopup(MouseEvent evt)
{
// create popup
if (popup == null)
{
popup = new Popup();
popup.setAutoFix(true);
popup.setAutoHide(true);
popup.setHideOnEscape(true);
// add the timepicker
BorderPane lBorderPane = new BorderPane();
lBorderPane.getStyleClass().add(this.getClass().getSimpleName() + "_popup");
lBorderPane.setCenter(TimePicker);
// add a close button
ImageView lImageView = new ImageView(closeIconImage);
lImageView.setPickOnBounds(true);
lImageView.setOnMouseClicked(new EventHandler()
{
@Override public void handle(MouseEvent evt)
{
popup.hide();
}
});
lBorderPane.rightProperty().set(lImageView);
// add pane
popup.getContent().add(lBorderPane);
}
// show it just below the textfield
popup.show(textField, NodeUtil.screenX(getSkinnable()), NodeUtil.screenY(getSkinnable()) + textField.getHeight());
// move the focus over
// TODO: not working
//TimePicker.requestFocus();
}
private Popup popup = null;
}