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.Bytearray;

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.util.Objects;

import javax.swing.JButton;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

import javax.swing.text.JTextComponent;

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.dynformfield.JDynFormFieldFactory;

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

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.ToolsSwingManager;

import org.gvsig.tools.swing.api.pickercontroller.PickerController;

public class JDynFormFieldBytearray extends AbstractJDynFormField implements JDynFormField, FocusListener {

    protected byte[] assignedValue = null;

    protected byte[] currentValue = null;

    protected JTextComponent jtext = null;

    protected JButton jbuttonUpload = null;

    protected JButton jbuttonDownload = null;

    private PickerController<byte[]> picker;

    public JDynFormFieldBytearray(

            DynFormSPIManager serviceManager,

            DynFormSPIManager.ComponentsFactory componentsFactory,

            JDynFormFieldFactory factory,

            DynFormFieldDefinition definition,

            Object value

    ) {

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

        this.assignedValue = (byte[]) value;

    }

    @Override

    public void setReadOnly(boolean readonly) {

        super.setReadOnly(readonly);

        if (this.contents != null) {

            this.contents.setEnabled(true);

        }

        if (this.picker != null) {

            this.picker.setEnabled(!this.isReadOnly());

        }

    }

    @Override

    public Object getAssignedValue() {

        return this.assignedValue;

    }

    @Override

    public void initComponent() {

        this.contents = new JPanel();

        this.contents.setLayout(new BorderLayout());

        DynFormSPIManager.ComponentsFactory components = this.getComponentsFactory();

        ToolsSwingManager toolsSwingManager = ToolsSwingLocator.getToolsSwingManager();

        this.jtext = components.getJTextField(this.getDefinition(), null);

        this.jbuttonDownload = components.getJButton(this.getDefinition(), "Download");

        this.jbuttonUpload = components.getJButton(this.getDefinition(), "Upload");

        this.picker = toolsSwingManager.createByteArrayPickerController(

                (JTextField) jtext,

                jbuttonUpload,

                jbuttonDownload,

                this.getForm().getDefinition().getName() + ".RAWDATA",

                null

        );

        this.picker.addChangeListener(new ChangeListener() {

            @Override

            public void stateChanged(ChangeEvent e) {

                fireFieldChangedEvent();

            }

        });

        if (!components.containsComponents(this.getDefinition())) {

            toolsSwingManager.removeBorder(this.jbuttonDownload);

            toolsSwingManager.removeBorder(this.jbuttonUpload);

            JPanel buttons = new JPanel(new FlowLayout(FlowLayout.TRAILING, 4, 2));

            buttons.add(this.jbuttonUpload);

            buttons.add(this.jbuttonDownload);

            this.contents.add(jtext, BorderLayout.CENTER);

            this.contents.add(buttons, BorderLayout.LINE_END);

            this.contents.setVisible(true);

        }

        this.picker.setEnabled(!this.isReadOnly());

        this.setValue(this.assignedValue);

    }

    @Override

    public void setValue(Object value) {

        this.picker.set((byte[]) value);

        this.assignedValue = (byte[]) value;

    }

    @Override

    public Object getValue() {

        return this.picker.get();

    }

    @Override

    public boolean hasValidValue() {

        return true;

    }

    @Override

    public void focusGained(FocusEvent arg0) {

        fireFieldEnterEvent();

        this.problemIndicator().restore();

    }

    @Override

    public void focusLost(FocusEvent arg0) {

        fireFieldExitEvent();

    }

    @Override

    public void clear() {

        this.picker.set(null);

    }

    @Override

    public boolean isModified() {

        try {

            byte[] value = this.picker.get();

            return !Objects.equals(value, this.getAssignedValue());

        } catch (Exception ex) {

            return false;

        }

    }

}