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net.bootsfaces.component.inputText.InputTextRenderer Maven / Gradle / Ivy
/**
* Copyright 2014-16 by Riccardo Massera (TheCoder4.Eu) and Stephan Rauh (http://www.beyondjava.net).
*
* This file is part of BootsFaces.
*
* Licensed 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 net.bootsfaces.component.inputText;
import java.io.IOException;
import java.util.List;
import java.util.logging.Logger;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.component.ValueHolder;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.render.FacesRenderer;
import net.bootsfaces.C;
import net.bootsfaces.component.ajax.AJAXRenderer;
import net.bootsfaces.component.inputSecret.InputSecret;
import net.bootsfaces.render.CoreRenderer;
import net.bootsfaces.render.H;
import net.bootsfaces.render.R;
import net.bootsfaces.render.Responsive;
import net.bootsfaces.render.Tooltip;
@FacesRenderer(componentFamily = C.BSFCOMPONENT, rendererType = "net.bootsfaces.component.inputText.InputText")
public class InputTextRenderer extends CoreRenderer {
private static final Logger LOGGER = Logger.getLogger(InputTextRenderer.class.getName());
@Override
public void decode(FacesContext context, UIComponent component) {
InputText inputText = (InputText) component;
if (inputText.isDisabled() || inputText.isReadonly()) {
return;
}
decodeBehaviors(context, inputText);
String clientId = inputText.getClientId(context);
String name = inputText.getName();
if (null == name) {
name = "input_" + clientId;
}
String submittedValue = (String) context.getExternalContext().getRequestParameterMap().get(name);
if (submittedValue != null) {
inputText.setSubmittedValue(submittedValue);
}
new AJAXRenderer().decode(context, component, name);
}
/**
* This method is called by the JSF framework to get the type-safe value of
* the attribute. Do not delete this method.
*/
@Override
public Object getConvertedValue(FacesContext fc, UIComponent c, Object sval) throws ConverterException {
Converter cnv = resolveConverter(fc, c);
if (cnv != null) {
return cnv.getAsObject(fc, c, (String) sval);
} else {
return sval;
}
}
protected Converter resolveConverter(FacesContext context, UIComponent c) {
if (!(c instanceof ValueHolder)) {
return null;
}
Converter cnv = ((ValueHolder) c).getConverter();
if (cnv != null) {
return cnv;
} else {
ValueExpression ve = c.getValueExpression("value");
if (ve != null) {
Class valType = ve.getType(context.getELContext());
if (valType != null) {
return context.getApplication().createConverter(valType);
}
}
return null;
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
if (!component.isRendered()) {
return;
}
InputText inputText = (InputText) component;
int numberOfDivs=0;
ResponseWriter rw = context.getResponseWriter();
String clientId = inputText.getClientId();
boolean clientIdHasBeenRendered=false;
String responsiveLabelClass = null;
String label = inputText.getLabel();
{
if (!inputText.isRenderLabel()) {
label = null;
}
}
if (null != label) {
responsiveLabelClass = Responsive.getResponsiveLabelClass(inputText);
}
String responsiveStyleClass = Responsive.getResponsiveStyleClass(inputText, false).trim();
if (responsiveStyleClass.length() > 0 && responsiveLabelClass == null && (!isHorizontalForm(component))) {
rw.startElement("div", component);
rw.writeAttribute("class", responsiveStyleClass, "class");
rw.writeAttribute("id", clientId, "id"); // clientId
clientIdHasBeenRendered=true;
numberOfDivs++;
}
// "Prepend" facet
UIComponent prep = inputText.getFacet("prepend");
// "Append" facet
UIComponent app = inputText.getFacet("append");
boolean prepend = (prep != null);
boolean append = (app != null);
// Define TYPE ( if null set default = text )
// support for b:inputSecret
String t;
if (component instanceof InputSecret) {
t = "password";
} else { // ordinary input fields
t = inputText.getType();
if (t == null)
t = "text";
}
rw.startElement("div", component);
numberOfDivs++;
if (null != inputText.getDir()) {
rw.writeAttribute("dir", inputText.getDir(), "dir");
}
Tooltip.generateTooltip(context, inputText, rw);
if (!clientIdHasBeenRendered) {
rw.writeAttribute("id", clientId, "id");
clientIdHasBeenRendered=true;
}
if (inputText.isInline()) {
rw.writeAttribute("class", "form-inline", "class");
LOGGER.warning("The inline attribute of b:inputText is deprecated and generates faulty HTML code. Please use instead.");
} else {
rw.writeAttribute("class", "form-group", "class");
}
if (label != null) {
rw.startElement("label", component);
rw.writeAttribute("for", "input_" + clientId, "for"); // "input_" +
// clientId
generateErrorAndRequiredClass(inputText, rw, clientId, inputText.getLabelStyleClass(), responsiveLabelClass,
"control-label");
writeAttribute(rw, "style", inputText.getLabelStyle());
rw.writeText(label, null);
rw.endElement("label");
}
if (responsiveStyleClass.length() > 0 && responsiveLabelClass != null && isHorizontalForm(component)) {
rw.startElement("div", component);
rw.writeAttribute("class", responsiveStyleClass, "class");
numberOfDivs++;
}
if (append || prepend) {
rw.startElement("div", component);
rw.writeAttribute("class", "input-group", "class");
numberOfDivs++;
}
if (prepend) {
R.decorateFacetComponent(inputText, prep, context, rw);
}
// Input
rw.startElement("input", inputText);
String fieldId = inputText.getFieldId();
if (null == fieldId) {
fieldId = "input_" + clientId;
}
rw.writeAttribute("id", fieldId, null); // "input_" + clientId
String name = inputText.getName();
// System.out.println(name);
if (null == name) {
name = "input_" + clientId;
}
rw.writeAttribute("name", name, null);
rw.writeAttribute("type", t, null);
generateStyleClass(inputText, rw);
String ph = inputText.getPlaceholder();
if (ph != null) {
rw.writeAttribute("placeholder", ph, null);
}
if (inputText.isDisabled()) {
rw.writeAttribute("disabled", "disabled", null);
}
if (inputText.isReadonly()) {
rw.writeAttribute("readonly", "readonly", null);
}
// Encode attributes (HTML 4 pass-through + DHTML)
renderPassThruAttributes(context, component, H.INPUT_TEXT);
String autocomplete = inputText.getAutocomplete();
if ((autocomplete != null) && (autocomplete.equals("off"))) {
rw.writeAttribute("autocomplete", "off", null);
}
if (inputText.isTags() && (!inputText.isTypeahead())) {
rw.writeAttribute("data-role", "tagsinput", null);
}
String v = getValue2Render(context, component);
rw.writeAttribute("value", v, null);
// Render Ajax Capabilities
AJAXRenderer.generateBootsFacesAJAXAndJavaScript(FacesContext.getCurrentInstance(), inputText, rw, false);
rw.endElement("input");
if (append) {
R.decorateFacetComponent(inputText, app, context, rw);
}
while (numberOfDivs>0) {
rw.endElement("div");
numberOfDivs--;
}
Tooltip.activateTooltips(context, inputText);
if (inputText.isTypeahead()) {
String id = component.getClientId();
id = id.replace(":", "_"); // we need to escape the id for jQuery
rw.startElement("script", component);
String typeaheadname = id + "_typeahead";
if (inputText.isTags()) {
String js = "var engine = new Bloodhound({" + //
"name: '" + typeaheadname + "'," + //
"local: " + getTypeaheadObjectArray(inputText) + "," + //
"datumTokenizer: function(d) {" + //
" return Bloodhound.tokenizers.whitespace(d.val);" + //
"}," + //
"queryTokenizer: Bloodhound.tokenizers.whitespace" + //
"});";
js += "$('." + id + "').tagsinput({" + //
"typeaheadjs: {" + //
" name: 'animals'," + //
" displayKey: 'val'," + //
" valueKey: 'val'," + //
" source: engine.ttAdapter()" + //
"}" + //
"});";//
rw.writeText(js, null);
} else {
String options = "";
options = addOption(options, "hint:" + inputText.isTypeaheadHint());
options = addOption(options, "highlight:" + inputText.isTypeaheadHighlight());
options = addOption(options, "minLength:" + inputText.getTypeaheadMinLength());
String options2 = "";
options2 = addOption(options2, "limit:" + inputText.getTypeaheadLimit());
options2 = addOption(options2, "name:'" + typeaheadname + "'");
options2 = addOption(options2,
"source: BsF.substringMatcher(" + getTypeaheadValueArray(inputText) + ")");
rw.writeText("$('." + id + "').typeahead({" + options + "},{" + options2 + "});", null);
}
rw.endElement("script");
}
}
private String addOption(String options, String newOption) {
if (options.length() > 0) {
options += ",";
}
return options + newOption;
}
private String getTypeaheadValueArray(InputText inputText) {
Object values = inputText.getTypeaheadValues();
if (null == values)
return null;
if (values instanceof String) {
String s = (String) values;
s = s.trim();
if (!s.contains("\'")) {
String[] parts = s.split(",");
StringBuilder b = new StringBuilder(s.length() * 2);
for (String p : parts) {
if (b.length() > 0) {
b.append(',');
}
b.append('\'');
b.append(p.trim());
b.append('\'');
}
s = b.toString();
}
return "[" + s + "]";
} else if (values instanceof List) {
StringBuilder b = new StringBuilder();
for (Object p : (List)values) {
if (b.length() > 0) {
b.append(',');
}
b.append('\'');
if (null != p) {
b.append(p.toString().trim());
}
b.append('\'');
}
String s = b.toString();
return "[" + s + "]";
} else if (values instanceof Object[]) {
StringBuilder b = new StringBuilder();
for (Object p : (Object[])values) {
if (b.length() > 0) {
b.append(',');
}
b.append('\'');
if (null != p) {
b.append(p.toString().trim());
}
b.append('\'');
}
String s = b.toString();
return "[" + s + "]";
} else {
throw new FacesException("Unexpected data type rendering the type ahead attribute of an inputText field");
}
}
private String getTypeaheadObjectArray(InputText inputText) {
Object values = inputText.getTypeaheadValues();
if (null == values)
return null;
if (values instanceof String) {
String s = (String) values;
s = s.trim();
if (!s.contains("\'")) {
String[] parts = s.split(",");
StringBuilder b = new StringBuilder(s.length() * 2);
for (String p : parts) {
if (b.length() > 0) {
b.append(',');
}
b.append("{val:");
b.append('\'');
b.append(p.trim());
b.append('\'');
b.append('}');
}
s = b.toString();
}
return "[" + s + "]";
} else if (values instanceof List) {
StringBuilder b = new StringBuilder();
for (Object p : (List)values) {
if (b.length() > 0) {
b.append(',');
}
b.append("{val:");
b.append('\'');
if (null != p) {
b.append(p.toString().trim());
}
b.append('\'');
b.append('}');
}
String s = b.toString();
return "[" + s + "]";
} else if (values instanceof Object[]) {
StringBuilder b = new StringBuilder();
for (Object p : (Object[])values) {
if (b.length() > 0) {
b.append(',');
}
b.append("{val:");
b.append('\'');
if (null != p) {
b.append(p.toString().trim());
}
b.append('\'');
b.append('}');
}
String s = b.toString();
return "[" + s + "]";
} else {
throw new FacesException("Unexpected data type rendering the type ahead attribute of an inputText field");
}
}
private void generateStyleClass(InputText inputText, ResponseWriter rw) throws IOException {
StringBuilder sb;
String s;
sb = new StringBuilder(20); // optimize int
sb.append("form-control");
String fsize = inputText.getFieldSize();
if (fsize != null) {
sb.append(" input-").append(fsize);
}
// styleClass and class support
String sclass = inputText.getStyleClass();
if (sclass != null) {
sb.append(" ").append(sclass);
}
sb.append(" ").append(getErrorAndRequiredClass(inputText, inputText.getClientId()));
if (inputText.isTypeahead()) {
sb.append(" ").append(inputText.getClientId().replace(":", "_"));
}
s = sb.toString().trim();
if (s != null && s.length() > 0) {
rw.writeAttribute("class", s, "class");
}
}
}
