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/*
* Copyright 1997-2011 Day Management AG
* Barfuesserplatz 6, 4001 Basel, Switzerland
* All Rights Reserved.
*
* This software is the confidential and proprietary information of
* Day Management AG, ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Day.
*/
package com.day.cq.wcm.foundation.forms;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import java.io.IOException;
import java.io.Writer;
/**
* Helper class for the forms components for layouting.
*/
public class LayoutHelper {
private LayoutHelper() {
// no intances
}
/**
* Print the left column, title and required. This method creates a wrapper
* div with the class form_leftcol, inside the divs are two divs, the first
* one containing the label with the class form_leftcollabel. The second
* inner div contains a star if the field is required, the div has the class
* form_leftcolmark.
*
* The title is encoded using
* {@link StringEscapeUtils#escapeHtml4(String)} before it is written to
* the {@link Writer}.
*
* @param fieldId The id of the field (not the name) - This can be null if
* title is null.
* @param title The title of the field (or null)
* @param required Flag indicating if this field is required.
* @param out The writer.
* @throws IOException If writing fails.
*/
public static void printTitle(String fieldId,
String title,
boolean required,
Writer out) throws IOException {
printTitle(fieldId, title, required, false, out);
}
/**
* Print the left column, title and required. This method creates a wrapper
* div with the class form_leftcol, inside the divs are two divs, the first
* one containing the label with the class form_leftcollabel. The second
* inner div contains a star if the field is required, the div has the class
* form_leftcolmark.
*
* The title is encoded using
* {@link StringEscapeUtils#escapeHtml4(String)} before it is written to
* the {@link Writer}.
*
* @param fieldId The id of the field (not the name) - This can be null if
* title is null.
* @param title The title of the field (or null)
* @param required Flag indicating if this field is required.
* @param hideLabel Option to completely hide the label (removes form_leftcollabel and form_leftcolmark
* divs content)
* @param out The writer.
* @throws IOException If writing fails.
* @since 5.4
*/
public static void printTitle(String fieldId,
String title,
boolean required,
boolean hideLabel,
Writer out) throws IOException {
out.write("
0) {
title = StringEscapeUtils.escapeHtml4(title);
} else {
title = " ";
}
out.write(">");
out.write("
");
if (fieldId != null) {
fieldId = StringEscapeUtils.escapeHtml4(fieldId);
out.write("");
} else {
out.write("" + title + "");
}
out.write("
");
out.write("
");
if (!hideLabel) {
if (required) {
out.write(" *");
} else {
out.write(" ");
}
}
out.write("
");
out.write("
\n");
}
/**
* Print the description
*
* The description is encoded using
* {@link StringEscapeUtils#escapeHtml4(String)} before it is written to
* the {@link Writer}.
*
* @param descr The description of the field (or null)
* @param out The writer.
* @throws IOException If writing fails.
*/
public static void printDescription(String descr,
Writer out) throws IOException {
printDescription(null, descr, out);
}
/**
* Print the description
*
* If fieldId is set the description will be enclosed in a label
* for accessibility. This facility should only be used when the field has no
* title, or the title is not used as a label for some reason.
*
* The description is encoded using
* {@link StringEscapeUtils#escapeHtml4(String)} before it is written to
* the {@link Writer}.
*
* @param fieldId Field id.
* @param descr The description of the field (or null)
* @param out The writer.
* @throws IOException If writing fails.
*/
public static void printDescription(String fieldId,
String descr,
Writer out) throws IOException {
out.write("
\n");
}
/**
* Print all errors (if there are any.) If there are error messages for this
* field, a div for each error message is created. The div has the class
* form_row, then {@link #printTitle(String, String, boolean, Writer)} is
* called and a third inner div with the message and the classes
* form_rightcol and form_error is created.
*
* @param request The current request.
* @param fieldName The name of the field (not the id!)
* @param out The writer.
* @throws IOException If writing fails.
*/
public static void printErrors(SlingHttpServletRequest request,
String fieldName,
Writer out) throws IOException {
printErrors(request, fieldName, false, out);
}
/**
* Print all errors (if there are any.) If there are error messages for this
* field, a div for each error message is created. The div has the class
* form_row, then {@link #printTitle(String, String, boolean, Writer)} is
* called and a third inner div with the message and the classes
* form_rightcol and form_error is created.
*
* @param request The current request.
* @param fieldName The name of the field (not the id!)
* @param out The writer.
* @param valueIndex value index
* @return Returns true if an error has been printed (since 5.5)
* @throws IOException If writing fails.
* @since 5.3
*/
public static boolean printErrors(SlingHttpServletRequest request,
String fieldName,
Writer out,
final int valueIndex) throws IOException {
return printErrors(request, fieldName, false, out, valueIndex);
}
/**
* Print all errors (if there are any.) If there are error messages for this
* field, a div for each error message is created. The div has the class
* form_row, then {@link #printTitle(String, String, boolean, Writer)} is
* called and a third inner div with the message and the classes
* form_rightcol and form_error is created.
*
* @param request The current request.
* @param fieldName The name of the field (not the id!)
* @param hideLabel Option to completely hide the label (removes form_leftcollabel and form_leftcolmark
* divs content)
* @param out The writer.
* @throws IOException If writing fails.
* @since 5.4
*/
public static void printErrors(SlingHttpServletRequest request,
String fieldName,
boolean hideLabel,
Writer out) throws IOException {
final ValidationInfo info = ValidationInfo.getValidationInfo(request);
// check if we have validation errors
if (info != null) {
String[] msgs = info.getErrorMessages(fieldName);
if (msgs != null) {
for (String msg : msgs) {
out.write("
");
String[] msgParas = msg.split("\n");
for (int i = 0; i < msgParas.length; i++) {
out.write(StringEscapeUtils.escapeHtml4(msgParas[i]));
if (i+1 < msgParas.length) {
out.write(" ");
}
}
out.write("
");
out.write("
");
}
}
}
}
/**
* Print all errors (if there are any.) If there are error messages for this
* field, a div for each error message is created. The div has the class
* form_row, then {@link #printTitle(String, String, boolean, Writer)} is
* called and a third inner div with the message and the classes
* form_rightcol and form_error is created.
*
* @param request The current request.
* @param fieldName The name of the field (not the id!)
* @param hideLabel Option to completely hide the label (removes form_leftcollabel and form_leftcolmark
* divs content)
* @param out The writer.
* @param valueIndex value index
* @return Returns true if an error has been printed (since 5.5)
* @throws IOException If writing fails.
* @since 5.4
*/
public static boolean printErrors(SlingHttpServletRequest request,
String fieldName,
boolean hideLabel,
Writer out,
final int valueIndex) throws IOException {
final ValidationInfo info = ValidationInfo.getValidationInfo(request);
// check if we have validation errors
if (info != null) {
String[] msgs = info.getErrorMessages(fieldName, valueIndex);
if (msgs != null) {
for (String msg : msgs) {
out.write("
