com.manydesigns.elements.fields.search.RangeSearchField.java Source code

Introduction

Here is the source code for com.manydesigns.elements.fields.search.RangeSearchField.java

Source

/*
 * Copyright (C) 2005-2013 ManyDesigns srl.  All rights reserved.
 * http://www.manydesigns.com/
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.manydesigns.elements.fields.search;

import com.manydesigns.elements.ognl.OgnlUtils;
import com.manydesigns.elements.reflection.PropertyAccessor;
import com.manydesigns.elements.xml.XhtmlBuffer;
import org.apache.commons.lang.StringUtils;
import org.jetbrains.annotations.NotNull;

import javax.servlet.http.HttpServletRequest;

/*
* @author Paolo Predonzani     - paolo.predonzani@manydesigns.com
* @author Angelo Lupo          - angelo.lupo@manydesigns.com
* @author Giampiero Granatella - giampiero.granatella@manydesigns.com
* @author Alessio Stalla       - alessio.stalla@manydesigns.com
*/
public class RangeSearchField extends AbstractSearchField {
    public static final String copyright = "Copyright (c) 2005-2013, ManyDesigns srl";

    public final static String MIN_SUFFIX = "_min";
    public final static String MAX_SUFFIX = "_max";

    public final static String NULL_VALUE = "-";

    protected String minId;
    protected String minInputName;
    protected String minStringValue;
    protected Object minValue;

    protected String maxId;
    protected String maxInputName;
    protected String maxStringValue;
    protected Object maxValue;

    protected boolean searchNullValue;

    //**************************************************************************
    // Costruttori
    //**************************************************************************

    public RangeSearchField(PropertyAccessor accessor) {
        this(accessor, null);
    }

    public RangeSearchField(PropertyAccessor accessor, String prefix) {
        super(accessor, prefix);

        minId = id + MIN_SUFFIX;
        minInputName = inputName + MIN_SUFFIX;

        maxId = id + MAX_SUFFIX;
        maxInputName = inputName + MAX_SUFFIX;
    }

    //**************************************************************************
    // Element implementation
    //**************************************************************************

    public void toXhtml(@NotNull XhtmlBuffer xb) {
        xb.openElement("div");
        xb.addAttribute("class", "control-group");
        xb.openElement("label");
        xb.addAttribute("for", minId);
        xb.addAttribute("class", ATTR_NAME_HTML_CLASS);
        xb.write(StringUtils.capitalize(label));
        xb.closeElement("label");

        xb.openElement("div");
        xb.addAttribute("class", "controls");
        rangeEndToXhtml(xb, minId, minInputName, minStringValue, getText("elements.search.range.from"));
        rangeEndToXhtml(xb, maxId, maxInputName, maxStringValue, getText("elements.search.range.to"));
        xb.closeElement("div");
        xb.closeElement("div");
    }

    public void rangeEndToXhtml(XhtmlBuffer xb, String id, String inputName, String stringValue, String label) {
        xb.openElement("div");
        xb.addAttribute("class", "input-prepend");
        xb.openElement("label");
        xb.addAttribute("class", "add-on");
        xb.addAttribute("for", id);
        xb.write(label);
        xb.closeElement("label");
        xb.writeInputText(id, inputName, stringValue, "text", null, null);
        xb.closeElement("div");
        xb.write(" ");
    }

    public void readFromRequest(HttpServletRequest req) {
        Class type = accessor.getType();

        minStringValue = StringUtils.trimToNull(req.getParameter(minInputName));
        try {
            minValue = OgnlUtils.convertValue(minStringValue, type);
        } catch (Throwable e) {
            minValue = null;
        }

        maxStringValue = StringUtils.trimToNull(req.getParameter(maxInputName));
        try {
            maxValue = OgnlUtils.convertValue(maxStringValue, type);
        } catch (Throwable e) {
            maxValue = null;
        }

        searchNullValue = (NULL_VALUE.equals(minStringValue) || NULL_VALUE.equals(maxStringValue));
    }

    public boolean validate() {
        return true;
    }

    public void toSearchString(StringBuilder sb) {
        if (minStringValue != null) {
            appendToSearchString(sb, minInputName, minStringValue);
        }
        if (maxStringValue != null) {
            appendToSearchString(sb, maxInputName, maxStringValue);
        }
    }

    public void configureCriteria(Criteria criteria) {
        if (searchNullValue) {
            criteria.isNull(accessor);
        } else if (minValue != null && maxValue != null) {
            criteria.between(accessor, minValue, maxValue);
        } else if (minValue != null) {
            criteria.ge(accessor, minValue);
        } else if (maxValue != null) {
            criteria.le(accessor, maxValue);
        }
    }

    //**************************************************************************
    // Getters/setters
    //**************************************************************************

    public String getMinId() {
        return minId;
    }

    public void setMinId(String minId) {
        this.minId = minId;
    }

    public String getMinInputName() {
        return minInputName;
    }

    public void setMinInputName(String minInputName) {
        this.minInputName = minInputName;
    }

    public String getMinStringValue() {
        return minStringValue;
    }

    public void setMinStringValue(String minStringValue) {
        this.minStringValue = minStringValue;
    }

    public Object getMinValue() {
        return minValue;
    }

    public void setMinValue(Object minValue) {
        this.minValue = minValue;
    }

    public String getMaxId() {
        return maxId;
    }

    public void setMaxId(String maxId) {
        this.maxId = maxId;
    }

    public String getMaxInputName() {
        return maxInputName;
    }

    public void setMaxInputName(String maxInputName) {
        this.maxInputName = maxInputName;
    }

    public String getMaxStringValue() {
        return maxStringValue;
    }

    public void setMaxStringValue(String maxStringValue) {
        this.maxStringValue = maxStringValue;
    }

    public Object getMaxValue() {
        return maxValue;
    }

    public void setMaxValue(Object maxValue) {
        this.maxValue = maxValue;
    }

    public boolean isSearchNullValue() {
        return searchNullValue;
    }

    public void setSearchNullValue(boolean searchNullValue) {
        this.searchNullValue = searchNullValue;
    }
}