Application: gvSIG desktop

package org.gvsig.fmap.mapcontrol.swing.dynformfield.CoordinateReferenceSystem;

import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import javax.swing.JButton;

import javax.swing.JComponent;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.cresques.Messages;

import org.cresques.cts.IProjection;

import org.gvsig.app.gui.panels.CRSSelectPanelFactory;

import org.gvsig.app.gui.panels.crs.ISelectCrsPanel;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dynform.JDynFormField;

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

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

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.service.spi.ServiceManager;

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

import org.gvsig.tools.swing.api.windowmanager.WindowManager.MODE;

public class JDynFormFieldCoordinateReferenceSystem extends AbstractJDynFormField implements JDynFormField, FocusListener {

    protected IProjection assignedValue = null;

    protected IProjection currentValue = null;

    protected JTextField jtext = null;

    protected JButton jbutton = null;

    public JDynFormFieldCoordinateReferenceSystem(DynObject parameters,

            ServiceManager serviceManager) {

        super(parameters, serviceManager);

        this.assignedValue = (IProjection) this.getParameterValue();

    }

    public Object getAssignedValue() {

        return this.assignedValue;

    }

    public void initComponent() {

        this.contents = new JPanel();

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

        this.jtext = new JCustomTextField(getLabel());

        this.jtext.addFocusListener(this);

        this.jtext.setEditable(false);

        this.jbutton = new JButton("...");

        this.jbutton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                onClickBrowse();

            }

        });

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

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

        this.contents.setVisible(true);

        this.setValue(this.assignedValue);

    }

    public void onClickBrowse() {

        fireFieldEnterEvent();

        this.problemIndicator().restore();

        ISelectCrsPanel csSelect = CRSSelectPanelFactory.getUIFactory().getSelectCrsPanel(this.currentValue, true);

        ToolsSwingLocator.getWindowManager().showWindow((JComponent) csSelect, Messages.getText("selecciona_sistema_de_referencia"), MODE.DIALOG);

        if (csSelect.isOkPressed()) {

            this.currentValue = csSelect.getProjection();

            this.jtext.setText(this.currentValue.getAbrev());

        }

    }

    public boolean hasValidValue() {

        return true;

    }

    public void focusGained(FocusEvent arg0) {

        fireFieldEnterEvent();

        this.problemIndicator().restore();

    }

    public void focusLost(FocusEvent arg0) {

        fireFieldExitEvent();

    }

    public void setValue(Object value) {

        IProjection x = null;

        try {

            x = (IProjection) this.getDefinition().getDataType().coerce(value);

        } catch (CoercionException e) {

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

        }

        this.currentValue = x;

        if (x != null) {

            this.jtext.setText(x.getAbrev());

        }

        this.assignedValue = x;

    }

    public Object getValue() {

        return this.currentValue;

    }

}