/**
* CalendarTimeTextFieldSkin.java
*
* Copyright (c) 2011-2016, 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 organization 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 <COPYRIGHT HOLDER> 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.internal.scene.control.skin;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
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.SkinBase;
import javafx.scene.control.TextField;
import javafx.scene.control.Tooltip;
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.Priority;
import javafx.stage.Popup;
import jfxtras.scene.control.CalendarTimePicker;
import jfxtras.scene.control.CalendarTimeTextField;
import jfxtras.scene.control.ImageViewButton;
import jfxtras.util.NodeUtil;
/**
* Allows editing the time in a text field.
* Format is hardcoded to HH:MM:SS.mmm, but
* @author Tom Eugelink
*/
public class CalendarTimeTextFieldSkin extends SkinBase<CalendarTimeTextField> implements TextFieldSkin
{
// ==================================================================================================================
// CONSTRUCTOR
/**
*
*/
public CalendarTimeTextFieldSkin(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().calendarProperty().addListener( (observable) -> {
refreshValue();
});
getSkinnable().dateFormatProperty().addListener( (observable) -> {
refreshValue();
});
refreshValue();
// focus
initFocusSimulation();
/**
* If the user is triggering the property, we must show the popup.
* We cannot bind the property directly to the popup because the
* popup property is read only. MoreOver, we want to show the popup
* next to the TextField, that's why we need to call showPopup();
*/
getSkinnable().pickerShowingProperty().addListener((ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean showing) -> {
if (showing) {
showPopup();
} else if(popup != null){
popup.hide();
}
});
}
/*
*
*/
private void refreshValue()
{
// write out to textfield
Calendar c = getSkinnable().getCalendar();
String s = (c == null ? "" : getSkinnable().getDateFormat().format(c.getTime()));
textField.setText( s );
}
/**
* When the control is focus, forward the focus to the textfield
*/
private void initFocusSimulation() {
getSkinnable().focusedProperty().addListener((observable, wasFocused, isFocused) -> {
if (isFocused) {
textField.requestFocus();
}
});
}
@Override
public void selectAll(){
textField.selectAll();
}
// ==================================================================================================================
// 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<ActionEvent>()
{
@Override
public void handle(ActionEvent evt)
{
parse();
}
});
textField.setOnKeyPressed(new EventHandler<KeyEvent>()
{
@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().getCalendar().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().setCalendar( 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
textField.tooltipProperty().bindBidirectional(getSkinnable().tooltipProperty());
if (getSkinnable().getTooltip() == null)
{
// TODO: internationalize the tooltip
getSkinnable().setTooltip(new Tooltip("Type a time or use # for now, or +/-<number>[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
imageView = new ImageViewButton();
imageView.getStyleClass().add("icon");
imageView.setPickOnBounds(true);
imageView.setOnMouseClicked(new EventHandler<MouseEvent>()
{
@Override public void handle(MouseEvent evt)
{
if (textField.focusedProperty().get() == true)
{
parse();
}
getSkinnable().setPickerShowing(true);
}
});
// 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(20, 100, Double.MAX_VALUE);
column0.setHgrow(Priority.ALWAYS);
gridPane.getColumnConstraints().addAll(column0); // first column gets any extra width
// add to self
getSkinnable().getStyleClass().add(this.getClass().getSimpleName()); // always add self as style class, because CSS should relate to the skin not the control
getChildren().add(gridPane);
// prep the picker
calendarTimePicker = new CalendarTimePicker();
// bind our properties to the picker's
//Bindings.bindBidirectional(calendarTimePicker.calendarProperty(), getSkinnable().calendarProperty()); // order is important, because the value of the first field is overwritten initially with the value of the last field
Bindings.bindBidirectional(calendarTimePicker.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(calendarTimePicker.secondStepProperty(), getSkinnable().secondStepProperty()); // order is important, because the value of the first field is overwritten initially with the value of the last field
}
private TextField textField = null;
private ImageView imageView = null;
private GridPane gridPane = null;
private CalendarTimePicker calendarTimePicker = 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().setCalendar(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().getCalendar().clone();
lCalendar.add(lUnit, lDelta);
// set the value
getSkinnable().setCalendar( CalendarTimePickerSkin.blockMinutesToStep(lCalendar, getSkinnable().getMinuteStep()) );
}
else if (lText.equals("#"))
{
// set the value
getSkinnable().setCalendar( CalendarTimePickerSkin.blockMinutesToStep(Calendar.getInstance(getSkinnable().getLocale()), getSkinnable().getMinuteStep()) );
}
else
{
try
{
Calendar lCalendar = getSkinnable().getCalendar();
Date lDate = null;
// First we're going to try the parsers in the list.
// The user is free to decide to sequence here, if we would try the default first, that would not be the case.
for (DateFormat lDateFormat : getSkinnable().getDateFormats())
{
try
{
// parse using the formatter
lDate = lDateFormat.parse( lText );
break; // exit the for loop
}
catch (java.text.ParseException e2) {} // we can safely ignore this, since we will fall back to the default formatter in the end
}
if (lDate == null)
{
// parse using the default formatter
lDate = getSkinnable().getDateFormat().parse( lText );
}
// set the value (the parse with the default formatter either succeeded or threw an exception, skipping this code)
lCalendar = Calendar.getInstance(getSkinnable().getLocale());
lCalendar.setTime(lDate);
getSkinnable().setCalendar(lCalendar);
}
finally
{
// always refresh
refreshValue();
}
}
}
catch (Throwable t)
{
// handle the exception
// TODO: implement a default handler (show in popup / validation icon)
if (getSkinnable().getParseErrorCallback() != null) {
getSkinnable().getParseErrorCallback().call(t);
}
else {
t.printStackTrace();
}
}
}
private void setupPopup() {
popup = new Popup();
popup.setAutoFix(true);
popup.setAutoHide(true);
popup.setHideOnEscape(true);
// add the timepicker
BorderPane lBorderPane = new BorderPane() {
// As of 1.8.0_40 CSS files are added in the scope of a control, the popup does not fall under the control, so the stylesheet must be reapplied
// When JFxtras is based on 1.8.0_40+: @Override
public String getUserAgentStylesheet() {
return getSkinnable().getUserAgentStylesheet();
}
};
lBorderPane.getStyleClass().add(this.getClass().getSimpleName() + "_popup");
lBorderPane.setCenter(calendarTimePicker);
// add a close button
ImageView lImageView = new ImageViewButton();
lImageView.getStyleClass().addAll("close-icon");
lImageView.setPickOnBounds(true);
lImageView.setOnMouseClicked(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent evt) {
popup.hide();
popup = null;
getSkinnable().calendarProperty().set(calendarTimePicker.calendarProperty().get());
}
});
lBorderPane.rightProperty().set(lImageView);
// add pane
popup.getContent().add(lBorderPane);
popup.setOnShown((event) -> {
((CalendarTimePickerSkin) calendarTimePicker.getSkin()).labelDateFormatProperty().set(getSkinnable().getDateFormat());
});
/**
* If the popup is showing/hiding, we must notify the property of the
* CalendarTextField so that they are always in sync.
*/
popup.showingProperty().addListener(new ChangeListener<Boolean>() {
public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean showing) {
getSkinnable().setPickerShowing(showing);
if (!showing) {
popup.showingProperty().removeListener(this);
popup = null;
}
}
});
}
private Popup popup = null;
private CalendarTimePicker calendarPicker = null;
/*
*
*/
private void showPopup() {
if(popup == null){
setupPopup();
}
// show it just below the textfield
calendarTimePicker.calendarProperty().set(getSkinnable().calendarProperty().get());
double height = textField.getHeight() == 0.0 ? textField.prefHeight(-1): textField.getHeight();
popup.show(textField, NodeUtil.screenX(getSkinnable()), NodeUtil.screenY(getSkinnable()) + height);
// move the focus over
// TODO: not working
//TimePicker.requestFocus();
}
}