nl.helixsoft.param.FileEditor.java Source code

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Here is the source code for nl.helixsoft.param.FileEditor.java

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// PathVisio,
// a tool for data visualization and analysis using Biological Pathways
// Copyright 2006-2009 BiGCaT Bioinformatics
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package nl.helixsoft.param;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import com.jgoodies.forms.builder.DefaultFormBuilder;

//copied from org.bridgedb.gui
public class FileEditor implements Editor, DocumentListener, ActionListener {
    JTextField txtFile;
    final ParameterModel model;
    final int index;
    final ParameterPanel parent;

    public FileEditor(ParameterModel model, int index, ParameterPanel parent, DefaultFormBuilder builder) {
        this.index = index;
        this.parent = parent;
        this.model = model;

        JButton btnBrowse = new JButton("Browse");
        txtFile = new JTextField();
        btnBrowse.addActionListener(this);
        txtFile.getDocument().addDocumentListener(this);
        txtFile.setToolTipText(model.getHint(index));
        builder.append(model.getLabel(index), txtFile, btnBrowse);
        builder.nextLine();
    }

    public Object getValue() {
        return new File(txtFile.getText());
    }

    boolean ignoreEvent = false;

    public void setValue(Object val) {
        if (ignoreEvent)
            return;
        txtFile.setText(((File) val).toString());
    }

    private void handleDocumentEvent(DocumentEvent arg0) {
        File file = new File(txtFile.getText());

        ignoreEvent = true;
        model.setValue(index, file);
        ignoreEvent = false;
    }

    public void changedUpdate(DocumentEvent arg0) {
        handleDocumentEvent(arg0);
    }

    public void insertUpdate(DocumentEvent arg0) {
        handleDocumentEvent(arg0);
    }

    public void removeUpdate(DocumentEvent arg0) {
        handleDocumentEvent(arg0);
    }

    public void actionPerformed(ActionEvent e) {
        Object metaData = model.getMetaData(index);
        JFileChooser jfc = new JFileChooser();
        if (metaData instanceof FileParameter) {
            FileParameter fileParameter = (FileParameter) metaData;
            jfc.setFileSelectionMode(fileParameter.getFileType());
            if (fileParameter.getFilter() != null && fileParameter.getFileTypeName() != null)
                jfc.setFileFilter(
                        new SimpleFileFilter(fileParameter.getFileTypeName(), fileParameter.getFilter(), true));
        } else {
            jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
        }
        jfc.setCurrentDirectory(new File(txtFile.getText()));
        if (jfc.showOpenDialog(parent.getTopLevelAncestor()) == JFileChooser.APPROVE_OPTION)
            txtFile.setText("" + jfc.getSelectedFile());
    }

}