org.efaps.ui.wicket.components.picker.PickerCallBack Maven / Gradle / Ivy

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eFaps WebApp provides a web interface as the User Interface for eFaps which can be easily expanded and altered.
There is a newer version: 3.2.0
/*
 * 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.picker;

import java.util.Map;

import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;
import org.efaps.ui.wicket.models.cell.UIPicker;
import org.efaps.ui.wicket.util.EFapsKey;


/**
 * TODO comment!
 *
 * @author The eFaps Team
 * @version $Id: PickerCallBack.java 8911 2013-02-20 21:33:52Z [email protected] $
 */
public class PickerCallBack
    implements ModalWindow.WindowClosedCallback
{
    /**
     * Needed for serialization.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Picker this CallBack belongs to.
     */
    private final UIPicker picker;

    /**
     * MarkupId of the Target Component.
     */
    private final String targetMarkupId;

    /**
     * @param _picker           picker this callback belongs to
     * @param _targetMarkupId   MarkupId of the target
     */
    public PickerCallBack(final UIPicker _picker,
                          final String _targetMarkupId)
    {
        this.picker = _picker;
        this.targetMarkupId = _targetMarkupId;
    }

    /**
     * The actual Javascript that will be executed on close of the modal window.
     * @param _target Target
     */
    @Override
    public void onClose(final AjaxRequestTarget _target)
    {
        if (this.picker.isExecuted()) {
            final Map map = this.picker.getReturnMap();
            final boolean escape = escape(map);
            final StringBuilder js = new StringBuilder();

            final String value = map.get(EFapsKey.PICKER_VALUE.getKey());
            if (value != null) {
                js.append("wicketGet('").append(this.targetMarkupId).append("').value ='")
                    .append(escape ? StringEscapeUtils.escapeEcmaScript(StringEscapeUtils.escapeHtml4(value))
                            : value).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.PICKER_JAVASCRIPT.getKey().equals(keyString)
                                || EFapsKey.PICKER_DEACTIVATEESCAPE.getKey().equals(keyString)
                                || EFapsKey.PICKER_VALUE.getKey().equals(keyString))) {
                    if (map.get(keyString).contains("Array(")) {
                        js.append("eFapsSetFieldValue('").append(this.targetMarkupId).append("','")
                            .append(keyString).append("',").append(map.get(keyString)).append(");");
                    } else {
                        js.append("eFapsSetFieldValue('").append(this.targetMarkupId).append("','")
                        .append(keyString).append("','")
                        .append(escape
                                ? StringEscapeUtils.escapeEcmaScript(map.get(keyString))
                                : map.get(keyString)).append("');");
                    }
                }
            }
            if (map.containsKey(EFapsKey.PICKER_JAVASCRIPT.getKey())) {
                js.append(map.get(EFapsKey.PICKER_JAVASCRIPT.getKey()));
            }
            _target.prependJavaScript(js.toString());
            this.picker.setExecuted(false);
        }
    }

    /**
     * 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.PICKER_DEACTIVATEESCAPE.getKey())) {
            final String value = _map.get(EFapsKey.PICKER_DEACTIVATEESCAPE.getKey());
            if (value == null) {
                ret = false;
            } else {
                ret = !"true".equalsIgnoreCase(EFapsKey.PICKER_DEACTIVATEESCAPE.getKey());
            }
        }
        return ret;
    }
}