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eFaps WebApp provides a web interface as the User Interface for eFaps
which can be easily expanded and altered.
/*
* Copyright 2003 - 2012 The eFaps Team
*
* 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.
*
* Revision: $Rev: 8911 $
* Last Changed: $Date: 2013-02-20 16:33:52 -0500 (Wed, 20 Feb 2013) $
* Last Changed By: $Author: [email protected] $
*/
package org.efaps.ui.wicket.components.autocomplete;
import java.util.Map;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.wicket.extensions.ajax.markup.html.autocomplete.AbstractAutoCompleteTextRenderer;
import org.apache.wicket.request.Response;
import org.efaps.ui.wicket.util.EFapsKey;
/**
* Renders the Choice and the JavaScript on selection of an item in the dropdown.
*
* @author The eFaps Team
* @version $Id: AutoCompleteRenderer.java 8911 2013-02-20 21:33:52Z [email protected] $
*/
public class AutoCompleteRenderer
extends AbstractAutoCompleteTextRenderer>
{
/**
* Needed for serialization.
*/
private static final long serialVersionUID = 1L;
/**
* AutoCompleteField this renderer is used for.
*/
private final AutoCompleteField autoCompleteField;
/**
* @param _autoCompleteField AutoCompleteField
*/
public AutoCompleteRenderer(final AutoCompleteField _autoCompleteField)
{
this.autoCompleteField = _autoCompleteField;
}
/**
* Retrieves the text value that will be set on the textbox if this assist is selected.
*
* @see org.apache.wicket.extensions.ajax.markup.html.autocomplete.
* AbstractAutoCompleteRenderer#getTextValue(java.lang.Object)
* @param _map map from the esjp
* @return value for the field
*/
@Override
protected String getTextValue(final Map _map)
{
return _map.get(escape(_map) ? StringEscapeUtils.escapeHtml4(EFapsKey.AUTOCOMPLETE_VALUE.getKey())
: StringEscapeUtils.escapeHtml4(EFapsKey.AUTOCOMPLETE_VALUE.getKey()));
}
/**
* Render the in the UI visible choices.
* @see org.apache.wicket.extensions.ajax.markup.html.autocomplete
* .AbstractAutoCompleteTextRenderer#renderChoice(java.lang.Object,
* org.apache.wicket.Response, java.lang.String)
* @param _map map from the esjp
* @param _response Response
* @param _criteria criteria
*/
@Override
protected void renderChoice(final Map _map,
final Response _response,
final String _criteria)
{
final String choice = _map.get(EFapsKey.AUTOCOMPLETE_CHOICE.getKey()) != null
? _map.get(EFapsKey.AUTOCOMPLETE_CHOICE.getKey())
: _map.get(EFapsKey.AUTOCOMPLETE_VALUE.getKey());
_response.write(escape(_map) ? StringEscapeUtils.escapeHtml4(choice) : choice);
}
/**
* @param _map the autocomplete item to get a custom javascript expression
* for
* @return javascript to execute on selection or null if
* default behavior is intented
*/
@Override
protected CharSequence getOnSelectJavaScriptExpression(final Map _map)
{
final String key = _map.get(EFapsKey.AUTOCOMPLETE_KEY.getKey()) != null
? _map.get(EFapsKey.AUTOCOMPLETE_KEY.getKey())
: _map.get(EFapsKey.AUTOCOMPLETE_VALUE.getKey());
final boolean escape = escape(_map);
final StringBuilder js = new StringBuilder();
js.append("Wicket.$('").append(this.autoCompleteField.getMarkupId()).append("_hidden').value ='")
.append(escape ? StringEscapeUtils.escapeEcmaScript(StringEscapeUtils.escapeHtml4(key))
: key).append("';");
for (final String keyString : _map.keySet()) {
// if the map contains a key that is not defined in this class it is
// assumed to be the name of a field
if (!(EFapsKey.AUTOCOMPLETE_KEY.getKey().equals(keyString)
|| EFapsKey.AUTOCOMPLETE_VALUE.getKey().equals(keyString)
|| EFapsKey.AUTOCOMPLETE_CHOICE.getKey().equals(keyString)
|| EFapsKey.AUTOCOMPLETE_JAVASCRIPT.getKey().equals(keyString))) {
if (_map.get(keyString).contains("Array(")) {
js.append("eFapsSetFieldValue('").append(this.autoCompleteField.getMarkupId()).append("','")
.append(keyString).append("',").append(_map.get(keyString)).append(");");
} else {
js.append("eFapsSetFieldValue('").append(this.autoCompleteField.getMarkupId()).append("','")
.append(keyString).append("','")
.append(escape
? StringEscapeUtils.escapeEcmaScript(StringEscapeUtils.escapeHtml4(_map.get(keyString)))
: _map.get(keyString)).append("');");
}
}
}
if (_map.containsKey(EFapsKey.AUTOCOMPLETE_JAVASCRIPT.getKey())) {
js.append(_map.get(EFapsKey.AUTOCOMPLETE_JAVASCRIPT.getKey()));
}
js.append("input");
return js.toString();
}
/**
* Check if for the current values the escape is activated.
* Default: true,
* key exits: null = false else evaluation of given String
* @param _map map to be checked
* @return boolean
*/
private boolean escape(final Map _map)
{
boolean ret = true;
if (_map.containsKey(EFapsKey.AUTOCOMPLETE_DEACTIVATEESCAPE.getKey())) {
final String value = _map.get(EFapsKey.AUTOCOMPLETE_DEACTIVATEESCAPE.getKey());
if (value == null) {
ret = false;
} else {
ret = !"true".equalsIgnoreCase(EFapsKey.AUTOCOMPLETE_DEACTIVATEESCAPE.getKey());
}
}
return ret;
}
}