001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.acacia.client.widgets;
029
030import org.opencms.acacia.client.css.I_CmsWidgetsLayoutBundle;
031import org.opencms.gwt.client.util.CmsDomUtil;
032
033import java.text.ParseException;
034
035import com.google.gwt.dom.client.Element;
036import com.google.gwt.event.dom.client.FocusEvent;
037import com.google.gwt.event.dom.client.FocusHandler;
038import com.google.gwt.event.logical.shared.ValueChangeEvent;
039import com.google.gwt.event.logical.shared.ValueChangeHandler;
040import com.google.gwt.event.shared.HandlerRegistration;
041import com.google.gwt.user.client.ui.Composite;
042import com.google.gwt.user.client.ui.PasswordTextBox;
043import com.google.gwt.user.client.ui.SimplePanel;
044
045/**
046 * Provides a standard HTML form password widget, for use on a widget dialog.<p>
047 *
048 * */
049public class CmsPasswordWidget extends Composite implements I_CmsEditWidget {
050
051    /**The main panel of this widget. */
052    SimplePanel m_mainPanel = new SimplePanel();
053
054    /** Value of the activation. */
055    private boolean m_active = true;
056
057    /** The Password input field. */
058    private PasswordTextBox m_passwordTextBox = new PasswordTextBox();
059
060    /**
061     * Constructs an CmsComboWidget.<p>
062     */
063    public CmsPasswordWidget() {
064
065        // All composites must call initWidget() in their constructors.
066        m_mainPanel.add(m_passwordTextBox);
067        initWidget(m_mainPanel);
068        m_mainPanel.setStyleName(I_CmsWidgetsLayoutBundle.INSTANCE.widgetCss().passwordTextBox());
069        m_passwordTextBox.addValueChangeHandler(new ValueChangeHandler<String>() {
070
071            public void onValueChange(ValueChangeEvent<String> event) {
072
073                fireChangeEvent();
074
075            }
076
077        });
078        m_passwordTextBox.addFocusHandler(new FocusHandler() {
079
080            public void onFocus(FocusEvent event) {
081
082                CmsDomUtil.fireFocusEvent(CmsPasswordWidget.this);
083            }
084        });
085    }
086
087    /**
088     * @see com.google.gwt.event.dom.client.HasFocusHandlers#addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)
089     */
090    public HandlerRegistration addFocusHandler(FocusHandler handler) {
091
092        return addDomHandler(handler, FocusEvent.getType());
093    }
094
095    /**
096     * @see com.google.gwt.event.logical.shared.HasValueChangeHandlers#addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler)
097     */
098    public HandlerRegistration addValueChangeHandler(ValueChangeHandler<String> handler) {
099
100        return addHandler(handler, ValueChangeEvent.getType());
101    }
102
103    /**
104     * Represents a value change event.<p>
105     *
106     */
107    public void fireChangeEvent() {
108
109        ValueChangeEvent.fire(this, m_passwordTextBox.getValue());
110    }
111
112    /**
113     * @see com.google.gwt.user.client.ui.HasValue#getValue()
114     */
115    public String getValue() {
116
117        try {
118            return m_passwordTextBox.getValueOrThrow();
119        } catch (ParseException e) {
120            e.printStackTrace();
121        }
122        return null;
123    }
124
125    /**
126     * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#isActive()
127     */
128    public boolean isActive() {
129
130        return m_active;
131    }
132
133    /**
134     * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#onAttachWidget()
135     */
136    public void onAttachWidget() {
137
138        super.onAttach();
139    }
140
141    /**
142     * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#owns(com.google.gwt.dom.client.Element)
143     */
144    public boolean owns(Element element) {
145
146        // TODO implement this in case we want the delete behavior for optional fields
147        return false;
148
149    }
150
151    /**
152     * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#setActive(boolean)
153     */
154    public void setActive(boolean active) {
155
156        if (m_active == active) {
157            return;
158        }
159
160        m_active = active;
161        if (m_active) {
162            getElement().setAttribute("contentEditable", "true");
163            getElement().removeClassName(org.opencms.acacia.client.css.I_CmsLayoutBundle.INSTANCE.form().inActive());
164            getElement().focus();
165        } else {
166            getElement().setAttribute("contentEditable", "false");
167            getElement().addClassName(org.opencms.acacia.client.css.I_CmsLayoutBundle.INSTANCE.form().inActive());
168        }
169        if (active) {
170            fireChangeEvent();
171        }
172
173    }
174
175    /**
176     * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#setName(java.lang.String)
177     */
178    public void setName(String name) {
179
180        // no input field so nothing to do
181
182    }
183
184    /**
185     * @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object)
186     */
187    public void setValue(String value) {
188
189        setValue(value, false);
190
191    }
192
193    /**
194     * @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object, boolean)
195     */
196    public void setValue(String value, boolean fireEvents) {
197
198        m_passwordTextBox.setValue(value, fireEvents);
199    }
200
201}