eu.future.earth.gwt.client.TimeBox Maven / Gradle / Ivy
/*
* Copyright 2007 Future Earth, [email protected]
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package eu.future.earth.gwt.client;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.TextBox;
public class TimeBox extends TextBox {
public final static String DEFAULT_TIME_FORMAT = "HH:mm";
private String format = DEFAULT_TIME_FORMAT;
private DateTimeFormat date = null;
public TimeBox() {
this(DEFAULT_TIME_FORMAT);
}
public TimeBox(String format) {
super.sinkEvents(Event.ONKEYDOWN);
setFormat(format);
addStyleName("ftr-time-box");
}
public void onBrowserEvent(Event event) {
int eventType = DOM.eventGetType(event);
int keyCode = DOM.eventGetKeyCode(event);
switch (eventType) {
case Event.ONKEYDOWN: {
if (keyCode == 37 || keyCode == 39 || keyCode == 18 || keyCode == 9) {
super.onBrowserEvent(event);
return;
} else {
if (isTimeKey(keyCode)) {
final int cursor = super.getCursorPos();
if (cursor >= format.length()) {
} else {
final String temp = super.getText();
final char rep = format.charAt(cursor);
if (rep == ':') {
super.setCursorPos(cursor + 1);
} else {
char next = (char)-1;
if(format.length() > cursor + 1){
next = format.charAt(cursor + 1);
}
char newChar = ((char) convert(keyCode));
boolean allow = false;
if (rep == 'H' && next == 'H') {
if (newChar == '0' || newChar == '1' || newChar == '2') {
allow = true;
}
} else {
if (rep == 'H') {
char prev = temp.charAt(cursor - 1);
if (prev == '2') {
if (newChar == '0' || newChar == '1' || newChar == '2' || newChar == '3') {
allow = true;
}
} else {
allow = true;
}
}
}
if (rep == 'h' && next == 'h') {
if (newChar == '0' || newChar == '1') {
allow = true;
}
} else {
if (rep == 'h') {
char prev = temp.charAt(cursor - 1);
if (prev == '1') {
if (newChar == '0' || newChar == '1' || newChar == '2') {
allow = true;
}
} else {
allow = true;
}
}
}
if (rep == 'm' && next == 'm') {
if (newChar == '0' || newChar == '1' || newChar == '2' || newChar == '3' || newChar == '4' || newChar == '5' || newChar == '6') {
allow = true;
}
} else {
if (rep == 'm') {
final char prev = temp.charAt(cursor - 1);
if (prev == '0' || prev == '1' || prev == '2' || prev == '3' || prev == '4' || prev == '5') {
allow = true;
} else {
if (newChar == '0') {
allow = true;
}
}
}
}
if (rep == 'a' && next == 'a') {
if (newChar == 'A' || newChar == 'a') {
newChar = 'A';
allow = true;
} else if (newChar == 'P' || newChar == 'p') {
newChar = 'P';
allow = true;
}
} else {
if (rep == 'a') {
if (newChar == 'M' || newChar == 'm') {
newChar = 'M';
allow = true;
}
}
}
if (allow) {
final String newString = temp.substring(0, cursor) + newChar + temp.substring(cursor + 1, format.length());
super.setText(newString);
if (next == ':') {
super.setCursorPos(cursor + 2);
} else {
super.setCursorPos(cursor + 1);
}
}
}
}
DOM.eventPreventDefault(event);
return;
} else {
DOM.eventPreventDefault(event);
return;
}
}
}
default:
super.onBrowserEvent(event);
}
}
private int convert(int keyCode) {
// convert 0 - 9 keys on number pad down into normal 0 - 9 range
if (keyCode >= 96 && keyCode <= 105) {
return keyCode - 48;
}
return keyCode;
}
private boolean isTimeKey(int keyCode) {
// 0 - 9 keys above qwerty
if (keyCode >= 48 && keyCode <= 57) {
return true;
}
// 0 - 9 keys on number pad
if (keyCode >= 96 && keyCode <= 105) {
return true;
}
// A, M, P keys
if (keyCode == 65 || keyCode == 77 || keyCode == 80) {
return true;
}
return false;
}
public void setDate(Date newValue) {
if (newValue != null) {
super.setText(date.format(newValue));
} else {
super.setText(format);
}
}
public Date getValue(Date date) {
if (getText() != null && getText().length() == format.length()) {
if(getText().equals(format)){
return null;
}
try {
final Date time = DateTimeFormat.getFormat(format).parse(getText());
final GregorianCalendar thelper = new GregorianCalendar();
thelper.setTime(time);
final GregorianCalendar helper = new GregorianCalendar();
helper.setTime(date);
helper.set(Calendar.HOUR_OF_DAY, thelper.get(Calendar.HOUR_OF_DAY));
helper.set(Calendar.MINUTE, thelper.get(Calendar.MINUTE));
helper.set(Calendar.SECOND, 0);
helper.set(Calendar.MILLISECOND, 0);
return helper.getTime();
} catch (Exception ex) {
return null;
}
}
return null;
}
public String getFormat() {
return format;
}
public void setFormat(String format) {
this.format = format;
date = DateTimeFormat.getFormat(format);
super.setText(format);
super.setMaxLength(format.length());
super.setVisibleLength(format.length());
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy