Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * For further information about Alkacon Software, please see the * company website: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://www.opencms.org * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package com.alkacon.opencms.v8.calendar.client.input.serialdate; import com.alkacon.opencms.v8.calendar.client.widget.css.I_CmsLayoutBundle; import org.opencms.gwt.client.ui.input.CmsCheckBox; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import com.google.gwt.event.dom.client.KeyPressEvent; import com.google.gwt.event.dom.client.KeyPressHandler; import com.google.gwt.event.logical.shared.HasValueChangeHandlers; import com.google.gwt.event.logical.shared.ValueChangeEvent; import com.google.gwt.event.logical.shared.ValueChangeHandler; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.json.client.JSONObject; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.Widget; /** * * */ public class CmsPatternPanelWeekly extends FlowPanel implements HasValueChangeHandlers<String> { /** The panel for all values of 'every'. */ private FlowPanel m_everyPanel = new FlowPanel(); /** The panel for all values of the day selection. */ private FlowPanel m_dayPanel = new FlowPanel(); /** The text box for the date input. */ private TextBox m_everyDay = new TextBox(); /** The array of all checkboxes. */ List<CmsCheckBox> m_checkboxes = new ArrayList<CmsCheckBox>(); /** The handler. */ private ValueChangeHandler<String> m_handler; /** JSON of all needed labels. */ private JSONObject m_labels; /** * Default constructor to create the panel.<p> * @param labels JSON of all needed labels */ public CmsPatternPanelWeekly(JSONObject labels) { m_labels = labels; addStyleName(I_CmsLayoutBundle.INSTANCE.widgetCss().serialDateWeek()); createEverPanel(); this.add(m_everyPanel); createDayPanel(); for (CmsCheckBox box : m_checkboxes) { box.addStyleName(I_CmsLayoutBundle.INSTANCE.widgetCss().serialDateCheckBox()); m_dayPanel.add(box); } this.add(m_dayPanel); } /** * @see com.google.gwt.event.logical.shared.HasValueChangeHandlers#addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler) */ public HandlerRegistration addValueChangeHandler(ValueChangeHandler<String> handler) { m_handler = handler; m_everyDay.addValueChangeHandler(m_handler); for (CmsCheckBox box : m_checkboxes) { box.addValueChangeHandler(new ValueChangeHandler<Boolean>() { public void onValueChange(ValueChangeEvent<Boolean> event) { fireValueChange(); } }); } return addHandler(handler, ValueChangeEvent.getType()); } /** * Represents a value change event.<p> */ public void fireValueChange() { ValueChangeEvent.fire(this, getWeekDays()); } /** * Returns the interval.<p> * @return the interval * */ public String getInterval() { return m_everyDay.getText(); } /** * Returns all selected days.<p> * @return all selected days * */ public String getWeekDays() { String result = ""; int i = 0; for (CmsCheckBox box : m_checkboxes) { if (box.isChecked()) { if (i > 0) { result += ","; } result += box.getInternalValue(); i++; } } return result; } /** * @see com.google.gwt.user.client.ui.HasWidgets#iterator() */ @Override public Iterator<Widget> iterator() { Iterator<Widget> result = getChildren().iterator(); return result; } /** * @see com.google.gwt.user.client.ui.Panel#remove(com.google.gwt.user.client.ui.Widget) */ @Override public boolean remove(Widget child) { return remove(child); } /** * Sets the interval.<p> * @param intervalStr the interval * */ public void setInterval(String intervalStr) { m_everyDay.setText(intervalStr); } /** * Selects all days.<p> * @param weekDaysStrList List of selected days * */ public void setWeekDays(List<String> weekDaysStrList) { List<CmsCheckBox> checked = new ArrayList<CmsCheckBox>(); for (String day : weekDaysStrList) { for (CmsCheckBox box : m_checkboxes) { if (box.getInternalValue().equals(day)) { checked.add(box); } } } for (CmsCheckBox box : m_checkboxes) { if (checked.contains(box)) { box.setChecked(true); } else { box.setChecked(false); } } } /** * Creates the day selection view.<p> * */ private void createDayPanel() { CmsCheckBox test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_MONDAY_0").isString().stringValue()); test.setInternalValue("2"); m_checkboxes.add(test); test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_TUESDAY_0").isString().stringValue()); test.setInternalValue("3"); m_checkboxes.add(test); test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_WEDNESDAY_0").isString().stringValue()); test.setInternalValue("4"); m_checkboxes.add(test); test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_THURSDAY_0").isString().stringValue()); test.setInternalValue("5"); m_checkboxes.add(test); test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_FRIDAY_0").isString().stringValue()); test.setInternalValue("6"); m_checkboxes.add(test); test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_SATURDAY_0").isString().stringValue()); test.setInternalValue("7"); m_checkboxes.add(test); test = new CmsCheckBox(m_labels.get("GUI_SERIALDATE_DAY_SUNDAY_0").isString().stringValue()); test.setInternalValue("1"); m_checkboxes.add(test); } /** * Creates the 'every' selection view.<p> * * */ private void createEverPanel() { m_everyPanel.add(new Label(m_labels.get("GUI_SERIALDATE_WEEKLY_EVERY_0").isString().stringValue())); m_everyPanel.add(m_everyDay); m_everyDay.setStyleName(I_CmsLayoutBundle.INSTANCE.widgetCss().textBoxSerialDate()); m_everyDay.setText("1"); m_everyDay.addKeyPressHandler(new KeyPressHandler() { public void onKeyPress(KeyPressEvent event) { fireValueChange(); } }); m_everyPanel.add(new Label(m_labels.get("GUI_SERIALDATE_WEEKLY_WEEK_AT_0").isString().stringValue())); } }