Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.gui.algorithm;

import info.clearthought.layout.TableLayout;

import info.clearthought.layout.TableLayoutConstants;

import javax.swing.JButton;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.gvsig.expressionevaluator.Expression;

import org.gvsig.expressionevaluator.swing.ExpressionEvaluatorSwingLocator;

import org.gvsig.expressionevaluator.swing.ExpressionEvaluatorSwingManager;

import org.gvsig.expressionevaluator.swing.ExpressionPickerController;

import org.gvsig.expressionevaluator.swing.JExpressionBuilder;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.swing.DataSwingManager;

import org.gvsig.fmap.dal.swing.expressionevaluator.FeatureStoreElement;

/**

 * A panel with a text field and a button, which pops-up a filter dialog

 *

 * @author omartinez

 *

 */

public class TableFilterPanel

        extends

        JPanel {

    private JTextField textField;

    private JButton button;

    private FeatureStore m_Store = null;

    private ExpressionPickerController expressionControler;

    private FeatureStoreElement element;

    /**

     * Creates a new file selection panel.

     *

     * @param bFolder true if the selection must be a folder instead of a file

     * @param bOpen true to show a open file dialog. False to show a save file

     * one

     * @param sExts a list of permitted file extensions

     * @param sDescription a description of the panel to show in the file dialog

     */

    public TableFilterPanel(FeatureStore m_Store) {

        super();

        initGUI();

        this.setStore(m_Store);

    }

    public TableFilterPanel() {

        super();

        initGUI();

    }

    private void initGUI() {

        button = new JButton("");

        textField = new JTextField("");

        textField.setMaximumSize(new java.awt.Dimension(340, 18));

        final TableLayout thisLayout = new TableLayout(new double[][]{{TableLayoutConstants.FILL, 25.0},

        {TableLayoutConstants.FILL}});

        this.setLayout(thisLayout);

        this.add(textField, "0,  0");

        this.add(button, "1,  0");

        ExpressionEvaluatorSwingManager swingManager = ExpressionEvaluatorSwingLocator.getManager();

        this.expressionControler = swingManager.createExpressionPickerController(textField, button);

        this.element = (FeatureStoreElement) swingManager.createElement(

                DataSwingManager.FEATURE_STORE_EXPRESSION_ELEMENT,

                this.expressionControler,

                null);

        if (element != null) {

            this.expressionControler.addElement(element);

        }

    }

    /**

     * Returns the filepath currently shown in the text field

     *

     * @return the filepath currently shown in the text field

     */

    public Expression getExpression() {

//        return textField.getText();

        return this.expressionControler.get();

    }

    /**

     * Returns this panel's JTextField widget.

     *

     * @return the text field widget used to input/store the selected file's

     * path and name

     */

    public JTextField getTextField() {

        return (this.textField);

    }

    /**

     * Returns this panel's JButton widget.

     *

     * @return the button widget used to pop up the file selector widget

     */

    public JButton getButton() {

        return (this.button);

    }

    public void setStore(FeatureStore store) {

        this.m_Store = store;

        this.element.setFeatureStore(store);

        if (store != null) {

            Feature sampleFeature = null;

            try {

                sampleFeature = store.getFeatureSelection().first();

                if (sampleFeature == null) {

                    sampleFeature = store.first();

                }

            } catch (DataException ex) {

            }

            if (sampleFeature != null) {

                FeatureSymbolTable featureSymbolTable = DALLocator.getDataManager().createFeatureSymbolTable();

                featureSymbolTable.setFeature(sampleFeature);

                this.expressionControler.setPreviewSymbolTable(featureSymbolTable.createParent());

            }

        }

    }

    public void setPhrase(final String sText) {

        textField.setText(sText);

    }

    public String getPhrase() {

        return textField.getText();

    }

    @Override

    public void setToolTipText(final String sText) {

        textField.setToolTipText(sText);

    }

}