package skrueger.swing;

import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JOptionPane;

import net.miginfocom.swing.MigLayout;
import schmitzm.swing.JPanel;
import schmitzm.swing.SwingUtil;
import skrueger.i8n.Translation;

public class TranslationsAskJPanel extends JPanel implements Cancellable, Checkable {

	private String[] backup = new String[50]; // Maximum 50 languages
	private final JComponent[] translationEditJPanelsOrJustComponents;

	public TranslationsAskJPanel(
			JComponent... translationEditJPanelsOrJustComponents_) {
		super(new MigLayout("wrap 1, width 100%", "[]"));

		this.translationEditJPanelsOrJustComponents = translationEditJPanelsOrJustComponents_;

		backup();

		// Box box = Box.createVerticalBox();
		// for (JComponent panel : translationEditJPanelsOrJustComponents) {
		// panel.setAlignmentX(java.awt.Component.LEFT_ALIGNMENT);
		// panel.setBorder(BorderFactory.createEmptyBorder(5, 6, 5, 6));
		// box.add(panel);
		//
		// }
		// add(box);

		for (JComponent panel : translationEditJPanelsOrJustComponents) {
			panel.setAlignmentX(java.awt.Component.LEFT_ALIGNMENT);
			panel.setBorder(BorderFactory.createEmptyBorder(5, 6, 5, 6));
			add(panel);
		}

	}

	/**
	 * Stores the original values of all {@link TranslationEditJPanel}s so
	 * cancel works.
	 */
	protected void backup() {
		// Remember backups for all the TranslationEditJPanel
		int count = 0;
		for (JComponent component : translationEditJPanelsOrJustComponents) {
			if (component instanceof TranslationEditJPanel) {
				TranslationEditJPanel tep = (TranslationEditJPanel) component;
				Translation orig = tep.getTranslation();

				// We don't want to overwrite the Translation object on
				// restore(). We just want to change its value.
				backup[count++] = orig.toOneLine();
			}
		}
	}

	/**
	 * Used to restore all the values when cancel has been pressed.
	 */
	@Override
	public void cancel() {
		int count = 0;
		for (JComponent component : translationEditJPanelsOrJustComponents) {
			if (component instanceof TranslationEditJPanel) {
				TranslationEditJPanel tep = (TranslationEditJPanel) component;
				tep.getTranslation().fromOneLine(backup[count++]);
			}
		}
	}
	

	/**
	 * @return <code>true</code> if none of the translations contains illegal
	 *         characters.
	 */
	public boolean checkValidInputs() {

		for (JComponent component : translationEditJPanelsOrJustComponents) {
			if (component instanceof TranslationEditJPanel) {
				TranslationEditJPanel tep = (TranslationEditJPanel) component;

				final Translation translationToCheck = tep.getTranslation();
				
				if (!Translation.checkValid(translationToCheck)) {
					JOptionPane
					.showMessageDialog(
							this,
							SwingUtil
									.R("TranslationAskJDialog.ErrorMsg.InvalidCharacterInTranslation"));	
					return false;
				}
				
			}
		}

		return true;
	}
}