/* 
 * Copyright 2005 Paul Hinds
 *
 * 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 org.tp23.antinstaller.renderer.swing;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import javax.swing.BoxLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Insets;
import java.io.File;
import java.util.ResourceBundle;

import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.JLabel;

import org.tp23.antinstaller.input.DirectoryInput;
import org.tp23.antinstaller.input.OutputField;
import org.tp23.gui.GBCF;
import org.tp23.gui.widget.DefaultingDirectoryChooser;

public class DirectoryInputRenderer
	extends SwingOutputFieldRenderer {

    private static final String EMPTY_STRING = "";
	protected DirectoryInput inputField;
	private boolean createMode;
	private DefaultingDirectoryChooser chooser = null;

	protected JLabel fieldLabel = new AILabel();
	protected AIShortTextField jTextField = new AIShortTextField();
	protected AIButton browseButton = new AIButton();
	protected JPanel browsePanel = new JPanel();
	private JPanel parent;

	public DirectoryInputRenderer() {
	}
	public void initComponent(JPanel parent){
		this.parent = parent;
		try {
			jbInit();
		}
		catch(Exception e) {
			e.printStackTrace();
		}
	}

	public void setOutputField(OutputField inputField) {
		this.inputField = (DirectoryInput)inputField;
		this.inputField.setValue(this.inputField.getDefaultValue(true));
		this.createMode = OutputField.isTrue(this.inputField.getCreate());

	}
	public void updateInputField(){
		if( !inputField.getDefaultValue(true).equals(jTextField.getText()) ){
			inputField.setEditted(true);			
		}
		inputField.setValue(jTextField.getText());	
	}
	public void updateDefaultValue(){
		if(!inputField.isEditted())jTextField.setText(inputField.getDefaultValue(true));
	}

	private void jbInit() throws Exception {
		BorderLayout bl = new BorderLayout();
		//bl.setHgap(3);
		browsePanel.setLayout(bl);
		fieldLabel.setText(inputField.getDisplayText());
		jTextField.setText(inputField.getDefaultValue(true));
		browsePanel.add(jTextField, BorderLayout.CENTER);

		JPanel browseButtonWrapper = new JPanel( new BorderLayout() );
		browseButtonWrapper.add( browseButton, BorderLayout.EAST );
		browsePanel.add(browseButtonWrapper, BorderLayout.SOUTH);
		browseButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				File selectedFile = null;
				if(chooser==null){
					chooser = new DefaultingDirectoryChooser(createMode);
					chooser.setFileHidingEnabled(false);
				}

                //PR 1468823 - if input is cleared, dialogue won't be displayed
                String dirPath = jTextField.getText();
                if( dirPath == null ) {
                    dirPath = EMPTY_STRING;
                }
                dirPath = dirPath.trim();

                if( dirPath.length() == 0 ) {
                    dirPath = inputField.getDefaultValue(true);
                    jTextField.setText(dirPath);
                }
                chooser.setDefaultDirectory(new File(dirPath));

                int returnVal = chooser.showDialog(parent, org.tp23.antinstaller.Installer.langPack.getString("selectFolder") );
				if (returnVal == JFileChooser.APPROVE_OPTION) {
					selectedFile = chooser.getSelectedFile();
				}
				if (selectedFile != null) {
					jTextField.setText(selectedFile.getAbsolutePath());
					inputField.setValue(selectedFile.getAbsolutePath());
					inputField.setEditted(true);
				}
			}
		});
		browseButton.setText(org.tp23.antinstaller.Installer.langPack.getString("browseDotDotDot"));
		browseButton.setPreferredSize(new Dimension(150, SizeConstants.FIELD_HEIGHT));

		jTextField.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				updateInputField();
			}
		});

	}
	public int addSelf(JPanel content,GBCF cf,  int row, boolean overflow) {
		FlowLayout l = new FlowLayout(FlowLayout.LEFT);
		JPanel p = new JPanel(l);
		p.add(fieldLabel);
		content.add(p);
		content.add(browsePanel);
		if(overflow){
			jTextField.setOverflow(SizeConstants.OVERFLOW_SHORT_FIELD_SIZE);
		}
		return ++row;
	}


	/**
	 * renderError
	 */
	public void renderError() {
        jTextField.requestFocus();
	}
}