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

package org.gvsig.tools.swing.impl.pickercontroller;

import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.io.File;

import java.net.URL;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.filechooser.FileFilter;

import org.apache.commons.lang3.ArrayUtils;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.folders.FoldersManager;

import org.gvsig.tools.i18n.I18nManager;

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

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

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

import org.gvsig.tools.swing.api.threadsafedialogs.ThreadSafeDialogsManager;

import org.gvsig.tools.swing.icontheme.IconTheme;

import org.gvsig.tools.swing.icontheme.IconThemeManager;

/**

 *

 * @author jjdelcerro

 */

public class FilePickerControllerImpl

        extends AbstractPickerController<File>

        implements FilePickerController {

    private final JButton btnFile;

    private final JTextField txtFile;

    private final File initialPath;

    private final String fileChooserID;

    private final String dialogTitle;

    private File value;

    private FileFilter filter;

    public static void selfRegister() {

        URL imageResource = DatePickerControllerImpl.class.getClassLoader().getResource("org/gvsig/tools/swing/picker/picker-file.png");

        if (imageResource != null) {

            IconThemeManager iconThemeManager = ToolsSwingLocator.getIconThemeManager();

            IconTheme theme = iconThemeManager.getCurrent();

            ImageIcon icon = new ImageIcon(imageResource);

            theme.registerDefault("tools", "picker", "picker-file", icon, imageResource);

        }

        imageResource = DatePickerControllerImpl.class.getClassLoader().getResource("org/gvsig/tools/swing/picker/picker-cleartext.png");

        if (imageResource != null) {

            IconThemeManager iconThemeManager = ToolsSwingLocator.getIconThemeManager();

            IconTheme theme = iconThemeManager.getCurrent();

            ImageIcon icon = new ImageIcon(imageResource);

            theme.registerDefault("tools", "picker", "picker-cleartext", icon, imageResource);

        }

    }

    private final JButton btnClear;

    public FilePickerControllerImpl(JTextField txtFile, JButton btnFile, String dialogTitle) {

        this(txtFile, btnFile, dialogTitle, null, null, true);

    }

    public FilePickerControllerImpl(JTextField txtFile, JButton btnFile) {

        this(txtFile, btnFile, null, null, null, true);

    }

    public FilePickerControllerImpl(JTextField txtFile, JButton btnFile, String dialogTitle, String fileChooserID, File initialPath, boolean seticon) {

        this.value = null;

        this.txtFile = txtFile;

        this.btnFile = btnFile;

        this.fileChooserID = fileChooserID;

        this.initialPath = initialPath;

        if (dialogTitle == null) {

            I18nManager i18n = ToolsLocator.getI18nManager();

            this.dialogTitle = i18n.getTranslation("_Select_file");

        } else {

            this.dialogTitle = dialogTitle;

        }

        if (seticon) {

            this.btnFile.setIcon(this.getIcon("picker-file"));

            this.btnFile.setText("");

        }

        this.btnFile.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doSelectFile();

            }

        });

        this.btnClear = new JButton(getIcon("picker-cleartext"));

        btnClear.setBorderPainted(false);

        btnClear.setFocusPainted(false);

        btnClear.setContentAreaFilled(false);

        btnClear.setOpaque(false);

        btnClear.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doClear();

            }

        });

        //this.txtFile.setEditable(false);

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

        this.txtFile.add(btnClear, BorderLayout.EAST);

        this.txtFile.addKeyListener(new KeyAdapter() {

            @Override

            public void keyPressed(KeyEvent e) {

                if (e.getKeyCode() == KeyEvent.VK_ENTER) {

                    coerceAndSet(txtFile.getText());

                    fireChangeEvent();

                }

                super.keyPressed(e);

            }

        });

    }

    private void doClear() {

        this.set(null);

    }

    @Override

    public boolean isEmpty() {

        return this.value == null;

    }

    @Override

    public File get() {

        coerceAndSet(txtFile.getText());

        return this.value;

    }

    @Override

    public void set(File value) {

        this.value = value;

        if (value == null) {

            this.txtFile.setText("");

        } else {

            this.txtFile.setText(value.toString());

        }

    }

    @Override

    public void setEditable(boolean editable) {

        super.setEditable(editable);

        this.txtFile.setEditable(editable);

    }

    @Override

    public void setEnabled(boolean enabled) {

        this.btnFile.setEnabled(enabled);

        this.txtFile.setEnabled(enabled);

        this.btnClear.setEnabled(enabled);

    }

    @Override

    public boolean isEnabled() {

        return this.btnFile.isEnabled();

    }

    private void doSelectFile() {

        if (!this.isEditable()) {

            return;

        }

        ThreadSafeDialogsManager dialogs = ToolsSwingLocator.getThreadSafeDialogsManager();

        FoldersManager folderManager = ToolsLocator.getFoldersManager();

        File pathToUse = initialPath;

        if (this.value != null) {

            pathToUse =  this.value;

        }

        File[] f = dialogs.showChooserDialog(

                this.dialogTitle,

                JFileChooser.OPEN_DIALOG,

                JFileChooser.FILES_ONLY,

                true,

                folderManager.getLastPath(

                        this.fileChooserID,

                        pathToUse

                ),

                this.filter,

                true

        );

        if (ArrayUtils.isEmpty(f)) {

            return;

        }

        this.set(f[0]);

        this.fireChangeEvent();

    }

    @Override

    public void coerceAndSet(Object value) {

        this.set((File) this.coerce(DataTypes.FILE, value, null));

    }

    @Override

    public void setFileFilter(FileFilter filter) {

        this.filter = filter;

    }

}