org.opencms.acacia.client.widgets.CmsImageGalleryWidget Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (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 org.opencms.acacia.client.widgets;
import org.opencms.acacia.client.css.I_CmsLayoutBundle;
import org.opencms.ade.galleries.client.CmsGalleryConfigurationJSO;
import org.opencms.ade.galleries.client.ui.CmsImageGalleryField;
import org.opencms.gwt.client.util.CmsDomUtil;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.FocusEvent;
import com.google.gwt.event.dom.client.FocusHandler;
import com.google.gwt.event.logical.shared.HasResizeHandlers;
import com.google.gwt.event.logical.shared.ResizeHandler;
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.user.client.ui.Composite;
/**
* The VFS image gallery widget.
**/
public class CmsImageGalleryWidget extends Composite implements I_CmsEditWidget, HasResizeHandlers {
/** Value of the activation. */
private boolean m_active = true;
/** The link selector. */
private CmsImageGalleryField m_linkSelect;
/**
* Constructs an CmsComboWidget with the in XSD schema declared configuration.
*
* @param openerTitle the gallery opener title
* @param config the widget configuration string
*/
public CmsImageGalleryWidget(String openerTitle, String config) {
m_linkSelect = new CmsImageGalleryField(CmsGalleryConfigurationJSO.parseConfiguration(config), true);
m_linkSelect.setGalleryOpenerTitle(openerTitle);
m_linkSelect.addValueChangeHandler(new ValueChangeHandler() {
public void onValueChange(ValueChangeEvent event) {
fireChangeEvent();
}
});
// All composites must call initWidget() in their constructors.
initWidget(m_linkSelect);
m_linkSelect.addFocusHandler(new FocusHandler() {
public void onFocus(FocusEvent event) {
CmsDomUtil.fireFocusEvent(CmsImageGalleryWidget.this);
}
});
}
/**
* @see com.google.gwt.event.dom.client.HasFocusHandlers#addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)
*/
public HandlerRegistration addFocusHandler(FocusHandler handler) {
return addDomHandler(handler, FocusEvent.getType());
}
/**
* @see com.google.gwt.event.logical.shared.HasResizeHandlers#addResizeHandler(com.google.gwt.event.logical.shared.ResizeHandler)
*/
public HandlerRegistration addResizeHandler(ResizeHandler handler) {
return m_linkSelect.addResizeHandler(handler);
}
/**
* @see com.google.gwt.event.logical.shared.HasValueChangeHandlers#addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler)
*/
public HandlerRegistration addValueChangeHandler(ValueChangeHandler handler) {
return addHandler(handler, ValueChangeEvent.getType());
}
/**
* Represents a value change event.
*
*/
public void fireChangeEvent() {
ValueChangeEvent.fire(this, m_linkSelect.getFormValueAsString());
}
/**
* @see com.google.gwt.user.client.ui.HasValue#getValue()
*/
public String getValue() {
return m_linkSelect.getFormValueAsString();
}
/**
* @see org.opencms.acacia.client.widgets.I_CmsEditWidget#isActive()
*/
public boolean isActive() {
return m_active;
}
/**
* @see org.opencms.acacia.client.widgets.I_CmsEditWidget#onAttachWidget()
*/
public void onAttachWidget() {
onAttach();
}
/**
* @see org.opencms.acacia.client.widgets.I_CmsEditWidget#owns(com.google.gwt.dom.client.Element)
*/
public boolean owns(Element element) {
return getElement().isOrHasChild(element);
}
/**
* @see org.opencms.acacia.client.widgets.I_CmsEditWidget#setActive(boolean)
*/
public void setActive(boolean active) {
if (m_active == active) {
return;
}
m_active = active;
if (active) {
fireChangeEvent();
}
}
/**
* @see org.opencms.acacia.client.widgets.I_CmsEditWidget#setName(java.lang.String)
*/
public void setName(String name) {
m_linkSelect.setName(name);
}
/**
* @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object)
*/
public void setValue(String value) {
setValue(value, false);
}
/**
* @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object, boolean)
*/
public void setValue(String value, boolean fireEvents) {
m_linkSelect.setFormValueAsString(value);
if (fireEvents) {
fireChangeEvent();
}
}
/**
* @see com.google.gwt.user.client.ui.Composite#onAttach()
*/
@Override
protected void onAttach() {
super.onAttach();
// use the parent element with CSS class .widgetHolder as the upload drop zone to allow proper highlighting
Element dropZone = CmsDomUtil.getAncestor(getElement(), I_CmsLayoutBundle.INSTANCE.form().widgetHolder());
if (dropZone != null) {
m_linkSelect.setDropZoneElement(dropZone);
}
}
}