Application: gvSIG desktop » Library: org.gvsig.tools

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.tools.dynform.services.dynformfield.Boolean;

import java.awt.event.FocusListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.util.Objects;

import javax.swing.JCheckBox;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dynform.DynFormFieldDefinition;

import org.gvsig.tools.dynform.JDynFormField;

import org.gvsig.tools.dynform.spi.DynFormSPIManager;

import org.gvsig.tools.dynform.spi.DynFormSPIManager.ComponentsFactory;

import org.gvsig.tools.dynform.spi.dynformfield.JDynFormFieldFactory;

import org.gvsig.tools.dynform.spi.dynformfield.AbstractJDynFormField.IllegalFieldValue;

import org.gvsig.tools.dynform.spi.dynformfield.AbstractJDynFormFieldWithValueList;

import org.gvsig.tools.dynobject.DynObjectValueItem;

import org.gvsig.tools.dynobject.exception.DynFieldValidateException;

public class JDynFormFieldBoolean extends AbstractJDynFormFieldWithValueList implements JDynFormField, FocusListener {

    public JDynFormFieldBoolean(

            DynFormSPIManager serviceManager,

            ComponentsFactory componentsFactory,

            JDynFormFieldFactory factory,

            DynFormFieldDefinition definition,

            Object value

    ) {

        super(serviceManager, componentsFactory, factory, definition, value);

    }

    protected JCheckBox getJCheckBox() {

        return (JCheckBox) this.contents;

    }

    @Override

    public void initComponent() {

        DynObjectValueItem[] availableValues = this.getDefinition().getAvailableValues();

        if (availableValues == null) {

            JCheckBox checkBox = this.getComponentsFactory().getJCheckBox(this.getDefinition(), null);

            this.contents = checkBox;

            checkBox.addItemListener((ItemEvent e) -> {

                fireFieldChangedEvent();

            });

            this.contents.addFocusListener(this);

            if (this.getDefinition().isReadOnly()) {

                this.getJCheckBox().setEnabled(false);

            }

            this.setValue(this.getAssignedValue());

        } else {

            super.initComponent();

        }

    }

    @Override

    public void setValue(Object value) {

        boolean s = false;

        if (value == null) {

            value = this.getDefinition().getDefaultValue();

            if (value != null) {

                s = (Boolean) value;

            }

        } else {

            s = (Boolean) value;

            try {

                this.getDefinition().validate(value);

                this.problemIndicator().clear();

            } catch (DynFieldValidateException e) {

                this.problemIndicator().set(e.getLocalizedMessage());

            }

        }

        if (this.contents instanceof JCheckBox) {

            this.getJCheckBox().setSelected(s);

            this.assignedValue = value;

        } else {

            super.setValue(s);

        }

    }

    /* 

         * M?todos espec?ficos de cada tipo de datos

     */

    @Override

    public Object getValue() {

        Object value = null;

        if (this.contents instanceof JCheckBox) {

            boolean s = getJCheckBox().isSelected();

            value = s;

            try {

                this.getDefinition().validate(value);

                this.problemIndicator().clear();

            } catch (DynFieldValidateException e) {

                throw new IllegalFieldValue(this, e.getLocalizedMessage());

            }

            return value;

        } else {

            return super.getValue();

        }

    }

    @Override

    public boolean isModified() {

        Boolean assigned = (Boolean) getAssignedValue();

        if (this.contents instanceof JCheckBox) {

            boolean value = getJCheckBox().isSelected();

            if(!value && assigned == null){

                return false;

            }

            return !Objects.equals(value, assigned);

        }

        String s = this.getValueFromJComponent();

        if (StringUtils.isBlank(s)) {

            return assigned != null;

        }

        try {

            Object value = this.getDefinition().coerce(s);

            return !Objects.equals(value, assigned);

        } catch (CoercionException e) {

            return true;

        }

    }

}