/*
* (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* 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.
*
* Contributors:
* <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
*
* $Id: TextWidgetTypeHandler.java 30416 2008-02-21 19:10:37Z atchertchian $
*/
package org.nuxeo.ecm.platform.forms.layout.facelets.plugins;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlOutputText;
import javax.faces.view.facelets.ComponentHandler;
import javax.faces.view.facelets.CompositeFaceletHandler;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.FaceletHandler;
import javax.faces.view.facelets.TagAttribute;
import javax.faces.view.facelets.TagAttributes;
import javax.faces.view.facelets.TagConfig;
import org.nuxeo.ecm.platform.forms.layout.api.BuiltinWidgetModes;
import org.nuxeo.ecm.platform.forms.layout.api.FieldDefinition;
import org.nuxeo.ecm.platform.forms.layout.api.Widget;
import org.nuxeo.ecm.platform.forms.layout.api.exceptions.WidgetException;
import org.nuxeo.ecm.platform.forms.layout.facelets.FaceletHandlerHelper;
import org.nuxeo.ecm.platform.forms.layout.facelets.ValueExpressionHelper;
import org.nuxeo.ecm.platform.ui.web.component.seam.UIHtmlText;
import com.sun.faces.facelets.tag.TagAttributesImpl;
/**
* Text widget.
*
* @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
*/
public class TextWidgetTypeHandler extends AbstractWidgetTypeHandler {
private static final long serialVersionUID = 1495841177711755669L;
@Override
public FaceletHandler getFaceletHandler(FaceletContext ctx,
TagConfig tagConfig, Widget widget, FaceletHandler[] subHandlers)
throws WidgetException {
FaceletHandlerHelper helper = new FaceletHandlerHelper(ctx, tagConfig);
String mode = widget.getMode();
String widgetId = widget.getId();
String widgetName = widget.getName();
String widgetTagConfigId = widget.getTagConfigId();
FaceletHandler leaf = getNextHandler(ctx, tagConfig, widget,
subHandlers, helper);
if (BuiltinWidgetModes.EDIT.equals(mode)) {
TagAttributes attributes = helper.getTagAttributes(widgetId, widget);
// Make text fields automatically switch to right-to-left if
// not told otherwise
if (widget.getProperty(FaceletHandlerHelper.DIR_PROPERTY) == null) {
TagAttribute dir = helper.createAttribute(
FaceletHandlerHelper.DIR_PROPERTY,
FaceletHandlerHelper.DIR_AUTO);
attributes = FaceletHandlerHelper.addTagAttribute(attributes,
dir);
}
ComponentHandler input = helper.getHtmlComponentHandler(
widgetTagConfigId, attributes, leaf,
HtmlInputText.COMPONENT_TYPE, null);
String msgId = helper.generateMessageId(widgetName);
ComponentHandler message = helper.getMessageComponentHandler(
widgetTagConfigId, msgId, widgetId, null);
FaceletHandler[] handlers = { input, message };
return new CompositeFaceletHandler(handlers);
} else {
TagAttributes attributes = getViewTagAttributes(ctx, helper,
widgetId, widget, !BuiltinWidgetModes.isLikePlainMode(mode));
// default on text for other modes
ComponentHandler output = helper.getHtmlComponentHandler(
widgetTagConfigId, attributes, leaf,
HtmlOutputText.COMPONENT_TYPE, null);
if (BuiltinWidgetModes.PDF.equals(mode)) {
// add a surrounding p:html tag handler
return helper.getHtmlComponentHandler(widgetTagConfigId,
new TagAttributesImpl(new TagAttribute[0]), output,
UIHtmlText.class.getName(), null);
} else {
return output;
}
}
}
/**
* Return tag attributes after having replaced the usual value expression
* for the 'value' field by a specific expression to display the translated
* value if set as is in the widget properties.
*/
protected TagAttributes getViewTagAttributes(FaceletContext ctx,
FaceletHandlerHelper helper, String id, Widget widget, boolean addId) {
List<TagAttribute> attrs = new ArrayList<TagAttribute>();
FieldDefinition[] fields = widget.getFieldDefinitions();
if (fields != null && fields.length > 0) {
FieldDefinition field = fields[0];
String bareExpression = ValueExpressionHelper.createBareExpressionString(
widget.getValueName(), field);
String bundleName = ctx.getFacesContext().getApplication().getMessageBundle();
String localizedExpression = String.format("%s[%s]", bundleName,
bareExpression);
String expression = String.format("#{%s ? %s : %s}",
"widget.properties.localize", localizedExpression,
bareExpression);
TagAttribute valueAttr = helper.createAttribute("value", expression);
attrs.add(valueAttr);
}
// fill with widget properties
Map<String, Serializable> widgetPropsClone = new HashMap<String, Serializable>();
Map<String, Serializable> widgetProps = widget.getProperties();
if (widgetProps != null) {
widgetPropsClone.putAll(widgetProps);
// remove localize property
widgetPropsClone.remove("localize");
}
List<TagAttribute> propertyAttrs = helper.getTagAttributes(
widgetPropsClone, null, true, widget.getType(),
widget.getTypeCategory(), widget.getMode());
if (propertyAttrs != null) {
attrs.addAll(propertyAttrs);
}
TagAttributes widgetAttrs = FaceletHandlerHelper.getTagAttributes(attrs);
// handle id
if (!addId) {
return widgetAttrs;
} else {
TagAttributes res = FaceletHandlerHelper.addTagAttribute(
widgetAttrs, helper.createAttribute("id", id));
// Make text fields automatically switch to right-to-left if
// not told otherwise
if (widget.getProperty(FaceletHandlerHelper.DIR_PROPERTY) == null) {
TagAttribute dir = helper.createAttribute(
FaceletHandlerHelper.DIR_PROPERTY,
FaceletHandlerHelper.DIR_AUTO);
res = FaceletHandlerHelper.addTagAttribute(res, dir);
}
return res;
}
}
}