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/**
 * Copyright 2009 DFKI GmbH.
 * All Rights Reserved.  Use is subject to license terms.
 *
 * This file is part of MARY TTS.
 *
 * MARY TTS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 *
 */

/*
 * ShortDescriptionPanel.java
 *
 * Created on 21. September 2009, 09:33
 */

package marytts.tools.install;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.ItemEvent;
import java.util.Observable;
import java.util.Observer;

import javax.swing.JOptionPane;
import javax.swing.JPanel;

/**
 * 
 * @author marc
 */
public class ShortDescriptionPanel extends javax.swing.JPanel implements Observer {
	private ComponentDescription desc;
	private VoiceUpdateListener voiceUpdate;
	private Color selectedColor = new Color(102, 153, 255);
	private Color unselectedColor;
	private boolean isSelected = false;

	/**
	 * Creates new form ShortDescriptionPanel
	 * 
	 * @param desc
	 *            desc
	 * @param voiceUpdate
	 *            voiceUpdate
	 */
	public ShortDescriptionPanel(ComponentDescription desc, VoiceUpdateListener voiceUpdate) {
		this.desc = desc;
		desc.addObserver(this);
		this.voiceUpdate = voiceUpdate;
		initComponents();
		this.unselectedColor = this.getBackground();
		this.setMaximumSize(new Dimension(32767, (int) this.getPreferredSize().getHeight()));
		verifyDisplay();
	}

	/**
	 * This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The content of
	 * this method is always regenerated by the Form Editor.
	 */
	// //GEN-BEGIN:initComponents
	private void initComponents() {
		java.awt.GridBagConstraints gridBagConstraints;

		cbSelected = new javax.swing.JCheckBox();
		bDetails = new javax.swing.JButton();
		lStatus = new javax.swing.JLabel();

		setLayout(new java.awt.GridBagLayout());

		setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));
		addFocusListener(new java.awt.event.FocusAdapter() {
			public void focusGained(java.awt.event.FocusEvent evt) {
				formFocusGained(evt);
			}

			public void focusLost(java.awt.event.FocusEvent evt) {
				formFocusLost(evt);
			}
		});
		addMouseListener(new java.awt.event.MouseAdapter() {
			public void mouseClicked(java.awt.event.MouseEvent evt) {
				formMouseClicked(evt);
			}
		});

		cbSelected.setText(desc.getName());
		cbSelected.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
		cbSelected.setMargin(new java.awt.Insets(0, 0, 0, 0));
		cbSelected.setPreferredSize(new java.awt.Dimension(200, 18));
		cbSelected.addItemListener(new java.awt.event.ItemListener() {
			public void itemStateChanged(java.awt.event.ItemEvent evt) {
				cbSelectedItemStateChanged(evt);
			}
		});
		cbSelected.addFocusListener(new java.awt.event.FocusAdapter() {
			public void focusGained(java.awt.event.FocusEvent evt) {
				formFocusGained(evt);
			}

			public void focusLost(java.awt.event.FocusEvent evt) {
				formFocusLost(evt);
			}
		});

		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridheight = 2;
		gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
		gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
		gridBagConstraints.weightx = 1.0;
		gridBagConstraints.weighty = 0.5;
		gridBagConstraints.insets = new java.awt.Insets(0, 5, 0, 0);
		add(cbSelected, gridBagConstraints);

		bDetails.setText("Details");
		bDetails.addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent evt) {
				bDetailsActionPerformed(evt);
			}
		});
		bDetails.addFocusListener(new java.awt.event.FocusAdapter() {
			public void focusGained(java.awt.event.FocusEvent evt) {
				formFocusGained(evt);
			}

			public void focusLost(java.awt.event.FocusEvent evt) {
				formFocusLost(evt);
			}
		});

		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 1;
		gridBagConstraints.gridy = 1;
		gridBagConstraints.weighty = 0.2;
		gridBagConstraints.insets = new java.awt.Insets(0, 0, 5, 5);
		add(bDetails, gridBagConstraints);

		lStatus.setFont(new java.awt.Font("Lucida Grande", 0, 10));
		lStatus.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
		lStatus.setText((desc.isUpdateAvailable() ? "Update available" : desc.getStatus().toString()));
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
		gridBagConstraints.weighty = 0.2;
		gridBagConstraints.insets = new java.awt.Insets(5, 0, 0, 5);
		add(lStatus, gridBagConstraints);

	}// //GEN-END:initComponents

	private void cbSelectedItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_cbSelectedItemStateChanged
		if (evt.getStateChange() == ItemEvent.SELECTED) {
			desc.setSelected(true);
		} else if (evt.getStateChange() == ItemEvent.DESELECTED) {
			desc.setSelected(false);
		}
	}// GEN-LAST:event_cbSelectedItemStateChanged

	private void formMouseClicked(java.awt.event.MouseEvent evt) {// GEN-FIRST:event_formMouseClicked
		this.requestFocusInWindow();
	}// GEN-LAST:event_formMouseClicked

	private void formFocusLost(java.awt.event.FocusEvent evt) {// GEN-FIRST:event_formFocusLost
		setSelected(false);
	}// GEN-LAST:event_formFocusLost

	private void formFocusGained(java.awt.event.FocusEvent evt) {// GEN-FIRST:event_formFocusGained
		setSelected(true);
	}// GEN-LAST:event_formFocusGained

	private void bDetailsActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_bDetailsActionPerformed
		showComponentDetails(desc);
	}// GEN-LAST:event_bDetailsActionPerformed

	private void setSelected(boolean newSelected) {
		if (!isSelected && newSelected) {
			isSelected = true;
			this.setBackground(selectedColor);
			cbSelected.setBackground(selectedColor);
			if (voiceUpdate != null && desc instanceof LanguageComponentDescription) {
				voiceUpdate.updateVoices((LanguageComponentDescription) desc, false);
			}
		} else if (isSelected && !newSelected) {
			isSelected = false;
			this.setBackground(unselectedColor);
			cbSelected.setBackground(unselectedColor);
		}
	}

	private void showComponentDetails(ComponentDescription aDesc) {
		JPanel p;
		if (aDesc instanceof LanguageComponentDescription) {
			p = new LanguagePanel((LanguageComponentDescription) aDesc);
		} else {
			p = new VoicePanel((VoiceComponentDescription) aDesc);
		}
		JOptionPane.showMessageDialog(null, p, "Component details", JOptionPane.PLAIN_MESSAGE);
	}

	// Variables declaration - do not modify//GEN-BEGIN:variables
	private javax.swing.JButton bDetails;
	private javax.swing.JCheckBox cbSelected;
	private javax.swing.JLabel lStatus;

	// End of variables declaration//GEN-END:variables

	public void update(Observable o, Object arg) {
		verifyDisplay();
	}

	private void verifyDisplay() {
		cbSelected.setSelected(desc.isSelected());
		lStatus.setText((desc.isUpdateAvailable() ? "Update available" : desc.getStatus().toString()));
	}
}