/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
import org.apache.commons.lang.StringUtils;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.UIIn;
import org.apache.myfaces.tobago.context.ResourceManagerUtils;
import org.apache.myfaces.tobago.internal.component.AbstractUIInput;
import org.apache.myfaces.tobago.internal.component.AbstractUIPage;
import org.apache.myfaces.tobago.model.AutoSuggestExtensionItem;
import org.apache.myfaces.tobago.model.AutoSuggestItem;
import org.apache.myfaces.tobago.model.AutoSuggestItems;
import org.apache.myfaces.tobago.renderkit.InputRendererBase;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.HtmlInputTypes;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.el.MethodBinding;
import javax.faces.validator.LengthValidator;
import javax.faces.validator.Validator;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class InRenderer extends InputRendererBase {
private static final Logger LOG = LoggerFactory.getLogger(InRenderer.class);
@Override
public void decode(FacesContext facesContext, UIComponent component) {
super.decode(facesContext, component);
String clientId = component.getClientId(facesContext);
AbstractUIPage page = ComponentUtils.findPage(component);
if (clientId.equals(page.getActionId())) {
// this is a inputSuggest request -> render response
facesContext.renderResponse();
}
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
if (!(component instanceof AbstractUIInput)) {
LOG.error("Wrong type: Need " + AbstractUIInput.class.getName() + ", but was " + component.getClass().getName());
return;
}
String clientId = component.getClientId(facesContext);
AbstractUIPage page = ComponentUtils.findPage(component);
if (clientId.equals(page.getActionId())) {
// this is a inputSuggest
encodeAjax(facesContext, component);
} else {
AbstractUIInput input = (AbstractUIInput) component;
String title = HtmlRendererUtils.getTitleFromTipAndMessages(facesContext, input);
final String currentValue = getCurrentValue(facesContext, input);
final boolean password = ComponentUtils.getBooleanAttribute(input, Attributes.PASSWORD);
if (LOG.isDebugEnabled()) {
LOG.debug("currentValue = '"
+ (password && currentValue != null ? StringUtils.leftPad("", currentValue.length(), '*') : currentValue)
+ "'");
}
final String type = password ? HtmlInputTypes.PASSWORD : HtmlInputTypes.TEXT;
final boolean readonly = ComponentUtils.getBooleanAttribute(input, Attributes.READONLY);
final boolean disabled = ComponentUtils.getBooleanAttribute(input, Attributes.DISABLED);
// Todo: check for valid binding
boolean renderAjaxSuggest = false;
if (input instanceof UIIn) {
renderAjaxSuggest = ((UIIn) input).getSuggestMethod() != null;
}
String id = input.getClientId(facesContext);
TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.startElement(HtmlElements.INPUT, input);
writer.writeAttribute(HtmlAttributes.TYPE, type, false);
writer.writeNameAttribute(id);
writer.writeIdAttribute(id);
HtmlRendererUtils.writeDataAttributes(facesContext, writer, input);
if (currentValue != null) {
writer.writeAttribute(HtmlAttributes.VALUE, currentValue, true);
}
if (title != null) {
writer.writeAttribute(HtmlAttributes.TITLE, title, true);
}
int maxLength = 0;
for (Validator validator : input.getValidators()) {
if (validator instanceof LengthValidator) {
LengthValidator lengthValidator = (LengthValidator) validator;
maxLength = lengthValidator.getMaximum();
}
}
if (maxLength > 0) {
writer.writeAttribute(HtmlAttributes.MAXLENGTH, maxLength);
}
writer.writeAttribute(HtmlAttributes.READONLY, readonly);
writer.writeAttribute(HtmlAttributes.DISABLED, disabled);
Integer tabIndex = input.getTabIndex();
if (tabIndex != null) {
writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
}
Style style = new Style(facesContext, input);
writer.writeStyleAttribute(style);
final String placeholder = input.getPlaceholder();
if (!disabled && !readonly && StringUtils.isNotBlank(placeholder)) {
writer.writeAttribute(HtmlAttributes.PLACEHOLDER, placeholder, true);
}
HtmlRendererUtils.renderDojoDndItem(component, writer, true);
writer.writeClassAttribute(Classes.create(input));
/*if (component instanceof AbstractUIInput) {
String onchange = HtmlUtils.generateOnchange((AbstractUIInput) component, facesContext);
if (onchange != null) {
// TODO: create and use utility method to write attributes without quoting
// writer.writeAttribute(HtmlAttributes.ONCHANGE, onchange, null);
}
} */
writer.endElement(HtmlElements.INPUT);
HtmlRendererUtils.checkForCommandFacet(input, facesContext, writer);
boolean required = ComponentUtils.getBooleanAttribute(input, Attributes.REQUIRED);
final String requiredClass = Classes.requiredWorkaround(input);
if (required && !renderAjaxSuggest) {
final String[] cmds = {
"new Tobago.In(\"" + id + "\", true ,\"" + requiredClass + "\" );"
};
HtmlRendererUtils.writeScriptLoader(facesContext, null, cmds);
}
// focus
HtmlRendererUtils.renderFocusId(facesContext, input);
// input suggest
if (renderAjaxSuggest) {
UIIn in = (UIIn) input;
int suggestMinChars = in.getSuggestMinChars();
int suggestDelay = in.getSuggestDelay();
final String[] cmds = {
"new Tobago.AutocompleterAjax(",
" '" + id + "',",
" " + required + ",",
" '" + requiredClass + "',",
" {minPrefixLength:" + suggestMinChars + ",eventDelay:" + suggestDelay + "});"
};
HtmlRendererUtils.writeScriptLoader(facesContext, null, cmds);
}
}
}
private void encodeAjax(FacesContext facesContext, UIComponent component) throws IOException {
if (!(component instanceof UIIn)) {
LOG.error("Wrong type: Need " + UIIn.class.getName() + ", but was " + component.getClass().getName());
return;
}
final UIIn input = (UIIn) component;
final MethodBinding methodBinding = input.getSuggestMethod();
final AutoSuggestItems items
= createAutoSuggestItems(methodBinding.invoke(facesContext, new Object[]{input}));
final List<AutoSuggestItem> suggestItems = items.getItems();
final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.startJavascript();
writer.write("Tobago.ajaxComponents['");
writer.write(component.getClientId(facesContext));
writer.write("'].suggestions = {items: [");
for (int i = 0; i < suggestItems.size() && i < items.getMaxSuggestedCount(); i++) {
AutoSuggestItem suggestItem = suggestItems.get(i);
if (i > 0) {
writer.write(", ");
}
writer.write("{label: '");
String label = suggestItem.getLabel();
label = StringUtils.replace(label, "\\", "\\\\");
label = StringUtils.replace(label, "\"", "\\\"");
writer.write(label);
writer.write("', value: '");
String value = suggestItem.getLabel();
value = StringUtils.replace(value, "\\", "\\\\");
value = StringUtils.replace(value, "\"", "\\\"");
writer.write(value);
writer.write("'");
if (suggestItem.getExtensionItems() != null) {
writer.write(", values: [");
for (int j = 0; j < suggestItem.getExtensionItems().size(); j++) {
AutoSuggestExtensionItem item = suggestItem.getExtensionItems().get(j);
if (j > 0) {
writer.write(", ");
}
writer.write("{id: '");
writer.write(item.getId());
writer.write("', value: '");
writer.write(item.getValue());
writer.write("'}");
}
writer.write("]");
}
if (suggestItem.getNextFocusId() != null) {
writer.write(", nextFocusId: '");
writer.write(suggestItem.getNextFocusId());
writer.write("'");
}
writer.write("}");
}
writer.write("]");
if (items.getNextFocusId() != null) {
writer.write(", nextFocusId: \"");
writer.write(items.getNextFocusId());
writer.write("\"");
}
if (suggestItems.size() > items.getMaxSuggestedCount()) {
writer.write(", moreElements: \"");
writer.write(
ResourceManagerUtils.getPropertyNotNull(facesContext, "tobago", "tobago.in.inputSuggest.moreElements"));
writer.write("\"");
}
writer.write("};");
writer.endJavascript();
}
private AutoSuggestItems createAutoSuggestItems(Object object) {
if (object instanceof AutoSuggestItems) {
return (AutoSuggestItems) object;
}
AutoSuggestItems autoSuggestItems = new AutoSuggestItems();
if (object instanceof List && !((List) object).isEmpty()) {
if (((List) object).get(0) instanceof AutoSuggestItem) {
//noinspection unchecked
autoSuggestItems.setItems((List<AutoSuggestItem>) object);
} else if (((List) object).get(0) instanceof String) {
List<AutoSuggestItem> items = new ArrayList<AutoSuggestItem>(((List) object).size());
for (int i = 0; i < ((List) object).size(); i++) {
AutoSuggestItem item = new AutoSuggestItem();
item.setLabel((String) ((List) object).get(i));
item.setValue((String) ((List) object).get(i));
items.add(item);
}
autoSuggestItems.setItems(items);
} else {
throw new ClassCastException("Cant create AutoSuggestItems from '" + object + "'. "
+ "Elements needs to be " + String.class.getName() + " or " + AutoSuggestItem.class.getName());
}
} else {
autoSuggestItems.setItems(Collections.<AutoSuggestItem>emptyList());
}
return autoSuggestItems;
}
}