/*
* Copyright (c) 2011 PonySDK
* Owners:
* Luciano Broussal <luciano.broussal AT gmail.com>
* Mathieu Barbier <mathieu.barbier AT gmail.com>
* Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
*
* WebSite:
* http://code.google.com/p/pony-sdk/
*
* 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 com.ponysdk.ui.server.basic;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import org.json.JSONException;
import org.json.JSONObject;
import com.ponysdk.core.instruction.AddHandler;
import com.ponysdk.core.instruction.Update;
import com.ponysdk.core.stm.Txn;
import com.ponysdk.core.tools.ListenerCollection;
import com.ponysdk.ui.server.basic.event.PShowRangeEvent;
import com.ponysdk.ui.server.basic.event.PShowRangeHandler;
import com.ponysdk.ui.server.basic.event.PValueChangeEvent;
import com.ponysdk.ui.server.basic.event.PValueChangeHandler;
import com.ponysdk.ui.terminal.Dictionnary.HANDLER;
import com.ponysdk.ui.terminal.Dictionnary.PROPERTY;
import com.ponysdk.ui.terminal.WidgetType;
public class PDatePicker extends PWidget implements HasPValue<Date>, PValueChangeHandler<Date> {
private final ListenerCollection<PValueChangeHandler<Date>> handlers = new ListenerCollection<PValueChangeHandler<Date>>();
private final ListenerCollection<PShowRangeHandler<Date>> showRangeHandlers = new ListenerCollection<PShowRangeHandler<Date>>();
private Date date;
public PDatePicker() {
this(null);
}
public PDatePicker(final TimeZone timeZone) {
final AddHandler addHandler = new AddHandler(getID(), HANDLER.KEY_.DATE_VALUE_CHANGE_HANDLER);
Txn.get().getTxnContext().save(addHandler);
}
@Override
protected WidgetType getWidgetType() {
return WidgetType.DATEPICKER;
}
@Override
public void onClientData(final JSONObject e) throws JSONException {
if (e.getString(HANDLER.KEY).equals(HANDLER.KEY_.DATE_VALUE_CHANGE_HANDLER)) {
final String data = e.getString(PROPERTY.VALUE);
Date date = null;
if (data != null && !data.isEmpty()) date = new Date(Long.parseLong(data));
onValueChange(new PValueChangeEvent<Date>(this, date));
} else if (e.getString(HANDLER.KEY).equals(HANDLER.KEY_.SHOW_RANGE)) {
final String start = e.getString(PROPERTY.START);
final String end = e.getString(PROPERTY.END);
final Date sd = new Date(Long.parseLong(start));
final Date ed = new Date(Long.parseLong(end));
final PShowRangeEvent<Date> showRangeEvent = new PShowRangeEvent<Date>(this, sd, ed);
for (final PShowRangeHandler<Date> handler : showRangeHandlers) {
handler.onShowRange(showRangeEvent);
}
} else {
super.onClientData(e);
}
}
@Override
public void addValueChangeHandler(final PValueChangeHandler<Date> handler) {
handlers.add(handler);
}
@Override
public void removeValueChangeHandler(final PValueChangeHandler<Date> handler) {
handlers.remove(handler);
}
@Override
public Collection<PValueChangeHandler<Date>> getValueChangeHandlers() {
return Collections.unmodifiableCollection(handlers);
}
public Collection<PShowRangeHandler<Date>> getShowRangeHandlers() {
return Collections.unmodifiableCollection(showRangeHandlers);
}
public void addShowRangeHandler(final PShowRangeHandler<Date> handler) {
if (showRangeHandlers.isEmpty()) {
final AddHandler addHandler = new AddHandler(getID(), HANDLER.KEY_.SHOW_RANGE);
Txn.get().getTxnContext().save(addHandler);
}
showRangeHandlers.add(handler);
}
public void removeShowRangeHandler(final PShowRangeHandler<Date> handler) {
showRangeHandlers.remove(handler);
}
@Override
public void onValueChange(final PValueChangeEvent<Date> event) {
this.date = event.getValue();
for (final PValueChangeHandler<Date> handler : handlers) {
handler.onValueChange(event);
}
}
@Override
public Date getValue() {
return date;
}
@Override
public void setValue(final Date date) {
this.date = date;
final Update update = new Update(getID());
update.put(PROPERTY.VALUE, date != null ? Long.toString(date.getTime()) : "");
Txn.get().getTxnContext().save(update);
}
public void setCurrentMonth(final Date date) {
final Update update = new Update(getID());
update.put(PROPERTY.MONTH, date != null ? Long.toString(date.getTime()) : "");
Txn.get().getTxnContext().save(update);
}
/**
* Sets a visible date to be enabled or disabled. This is only set until the next time the DatePicker is
* refreshed.
*/
public final void setTransientEnabledOnDates(final boolean enabled, final Collection<Date> dates) {
final List<String> asString = dateToString(dates);
final Update update = new Update(getID());
update.put(PROPERTY.DATE_ENABLED, asString);
update.put(PROPERTY.ENABLED, enabled);
Txn.get().getTxnContext().save(update);
}
/**
* Add a style name to the given dates.
*/
public void addStyleToDates(final String styleName, final Collection<Date> dates) {
final List<String> asString = dateToString(dates);
final Update update = new Update(getID());
update.put(PROPERTY.ADD_DATE_STYLE, asString);
update.put(PROPERTY.STYLE_NAME, styleName);
Txn.get().getTxnContext().save(update);
}
/**
* Removes the styleName from the given dates (even if it is transient).
*/
public void removeStyleFromDates(final String styleName, final Collection<Date> dates) {
final List<String> asString = dateToString(dates);
final Update update = new Update(getID());
update.put(PROPERTY.REMOVE_DATE_STYLE, asString);
update.put(PROPERTY.STYLE_NAME, styleName);
Txn.get().getTxnContext().save(update);
}
private List<String> dateToString(final Collection<Date> dates) {
final List<String> asString = new ArrayList<String>();
for (final Date d : dates) {
asString.add(Long.toString(d.getTime()));
}
return asString;
}
}