envoy/src/main/java/envoy/client/ui/settings/NewThemeScreen.java

package envoy.client.ui.settings;

import java.awt.*;
import java.util.function.Consumer;

import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JTextPane;

import envoy.client.data.Settings;
import envoy.client.ui.Theme;
import envoy.client.ui.primary.PrimaryButton;
import envoy.client.ui.primary.PrimaryTextArea;

/**
 * Displays window where you can choose a name for the new {@link Theme}.
 * <br>
 * Project: <strong>envoy-client</strong><br>
 * File: <strong>NewThemeScreen.java</strong><br>
 * Created: <strong>26 Dec 2019</strong><br>
 *
 * @author Maximilian K&auml;fer
 * @since Envoy Client v0.3-alpha
 */
public class NewThemeScreen extends JDialog {

	private final JPanel	standardPanel		= new JPanel();
	private final JPanel	secondaryPanel		= new JPanel();
	private JTextPane		text				= new JTextPane();
	private PrimaryTextArea	nameEnterTextArea	= new PrimaryTextArea(4);
	private PrimaryButton	confirmButton		= new PrimaryButton("Confirm");

	private JTextPane		errorText	= new JTextPane();
	private PrimaryButton	otherName	= new PrimaryButton("Other Name");
	private PrimaryButton	overwrite	= new PrimaryButton("Overwrite");

	private final Consumer<String> newThemeAction, modifyThemeAction;

	private static final long serialVersionUID = 0L;

	/**
	 * Creates a window, where you can choose a name for a new {@link Theme}. <br>
	 * There are two versions of this Window. The first one is responsible for
	 * choosing the name, the second one appears, if the name already exists.
	 *
	 * @param parent            the dialog is launched with its location relative to
	 *                          this {@link SettingsScreen}
	 * @param newThemeAction    is executed when a new theme name is entered
	 * @param modifyThemeAction is executed when an existing theme name is entered
	 *                          and confirmed
	 * @since Envoy Client v0.3-alpha
	 */
	public NewThemeScreen(SettingsScreen parent, Consumer<String> newThemeAction, Consumer<String> modifyThemeAction) {
		this.newThemeAction		= newThemeAction;
		this.modifyThemeAction	= modifyThemeAction;

		setLocationRelativeTo(parent);
		setTitle("New Theme");
		setModal(true);

		setDimensions(true);
		setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);

		Theme theme = Settings.getInstance().getCurrentTheme();

		getContentPane().setLayout(new BorderLayout());
		standardPanel.setBackground(theme.getBackgroundColor());
		secondaryPanel.setBackground(theme.getBackgroundColor());
		loadStandardContent(theme);
	}

	private void setDimensions(boolean isStandard) {
		Dimension size = isStandard ? new Dimension(300, 170) : new Dimension(300, 225);
		setPreferredSize(size);
		setMinimumSize(size);
		setMaximumSize(size);
	}

	private void loadStandardContent(Theme theme) {
		getContentPane().removeAll();

		// ContentPane
		GridBagLayout gbl_contentPanel = new GridBagLayout();

		gbl_contentPanel.columnWidths	= new int[] { 1, 1 };
		gbl_contentPanel.rowHeights		= new int[] { 1, 1, 1 };
		gbl_contentPanel.columnWeights	= new double[] { 1, 1 };
		gbl_contentPanel.rowWeights		= new double[] { 1, 1, 1 };

		getContentPane().add(standardPanel, BorderLayout.CENTER);
		standardPanel.setLayout(gbl_contentPanel);

		// text.setFont(new Font());
		text.setText("Please enter a name for the new Theme");
		text.setAlignmentX(CENTER_ALIGNMENT);
		text.setBackground(theme.getCellColor());
		text.setForeground(theme.getUserNameColor());
		text.setEditable(false);

		GridBagConstraints gbc_text = new GridBagConstraints();
		gbc_text.fill		= GridBagConstraints.HORIZONTAL;
		gbc_text.gridx		= 0;
		gbc_text.gridy		= 0;
		gbc_text.gridwidth	= 2;
		gbc_text.insets		= new Insets(5, 5, 5, 5);

		standardPanel.add(text, gbc_text);

		nameEnterTextArea.setBackground(theme.getCellColor());
		nameEnterTextArea.setForeground(theme.getTypingMessageColor());
		nameEnterTextArea.setText("");
		nameEnterTextArea.setEditable(true);

		GridBagConstraints gbc_input = new GridBagConstraints();
		gbc_input.fill		= GridBagConstraints.HORIZONTAL;
		gbc_input.gridx		= 0;
		gbc_input.gridy		= 1;
		gbc_input.gridwidth	= 2;
		gbc_input.insets	= new Insets(5, 5, 5, 5);

		standardPanel.add(nameEnterTextArea, gbc_input);

		confirmButton.setBackground(theme.getInteractableBackgroundColor());
		confirmButton.setForeground(theme.getInteractableForegroundColor());

		GridBagConstraints gbc_confirmButton = new GridBagConstraints();
		gbc_confirmButton.gridx		= 0;
		gbc_confirmButton.gridy		= 2;
		gbc_confirmButton.gridwidth	= 2;
		gbc_confirmButton.insets	= new Insets(5, 5, 5, 5);

		standardPanel.add(confirmButton, gbc_confirmButton);

		confirmButton.addActionListener((evt) -> {
			if (!nameEnterTextArea.getText().isEmpty()) if (Settings.getInstance().getThemes().containsKey(nameEnterTextArea.getText())) {
				// load other panel
				setDimensions(false);
				loadSecondaryPage(theme);
			} else {
				newThemeAction.accept(nameEnterTextArea.getText());
				dispose();
			}
		});
	}

	private void loadSecondaryPage(Theme theme) {
		// ContentPane
		getContentPane().removeAll();

		GridBagLayout gbl_secondaryPanel = new GridBagLayout();

		gbl_secondaryPanel.columnWidths		= new int[] { 1, 1 };
		gbl_secondaryPanel.rowHeights		= new int[] { 1, 1, 1, 1 };
		gbl_secondaryPanel.columnWeights	= new double[] { 1, 1 };
		gbl_secondaryPanel.rowWeights		= new double[] { 1, 1, 1, 1 };

		getContentPane().add(secondaryPanel, BorderLayout.CENTER);
		secondaryPanel.setLayout(gbl_secondaryPanel);

		// text.setFont(new Font());
		text.setText("Please enter a name for the new Theme");
		text.setAlignmentX(CENTER_ALIGNMENT);
		text.setBackground(theme.getCellColor());
		text.setForeground(theme.getUserNameColor());
		text.setEditable(false);

		GridBagConstraints gbc_text = new GridBagConstraints();
		gbc_text.fill		= GridBagConstraints.HORIZONTAL;
		gbc_text.gridx		= 0;
		gbc_text.gridy		= 0;
		gbc_text.gridwidth	= 2;
		gbc_text.insets		= new Insets(5, 5, 5, 5);

		secondaryPanel.add(text, gbc_text);

		nameEnterTextArea.setBackground(theme.getCellColor());
		nameEnterTextArea.setForeground(theme.getTypingMessageColor());
		nameEnterTextArea.setEditable(false);

		GridBagConstraints gbc_input = new GridBagConstraints();
		gbc_input.fill		= GridBagConstraints.HORIZONTAL;
		gbc_input.gridx		= 0;
		gbc_input.gridy		= 1;
		gbc_input.gridwidth	= 2;
		gbc_input.insets	= new Insets(5, 5, 5, 5);

		secondaryPanel.add(nameEnterTextArea, gbc_input);

		errorText.setText("The name does already exist. Choose another one or overwrite the old theme.");
		errorText.setAlignmentX(CENTER_ALIGNMENT);
		errorText.setBackground(theme.getCellColor());
		errorText.setForeground(theme.getUserNameColor());
		errorText.setEditable(false);

		GridBagConstraints gbc_errorText = new GridBagConstraints();
		gbc_errorText.fill		= GridBagConstraints.HORIZONTAL;
		gbc_errorText.gridx		= 0;
		gbc_errorText.gridy		= 2;
		gbc_errorText.gridwidth	= 2;
		gbc_errorText.insets	= new Insets(5, 5, 5, 5);

		secondaryPanel.add(errorText, gbc_errorText);

		otherName.setBackground(theme.getInteractableBackgroundColor());
		otherName.setForeground(theme.getInteractableForegroundColor());

		GridBagConstraints gbc_otherName = new GridBagConstraints();
		gbc_otherName.gridx		= 0;
		gbc_otherName.gridy		= 3;
		gbc_otherName.insets	= new Insets(5, 5, 5, 5);

		secondaryPanel.add(otherName, gbc_otherName);

		overwrite.setBackground(theme.getInteractableBackgroundColor());
		overwrite.setForeground(theme.getInteractableForegroundColor());

		GridBagConstraints gbc_overwrite = new GridBagConstraints();
		gbc_overwrite.gridx		= 1;
		gbc_overwrite.gridy		= 3;
		gbc_overwrite.insets	= new Insets(5, 5, 5, 5);

		secondaryPanel.add(overwrite, gbc_overwrite);

		otherName.addActionListener((evt) -> { setDimensions(true); loadStandardContent(theme); });

		overwrite.addActionListener((evt) -> { modifyThemeAction.accept(nameEnterTextArea.getText()); dispose(); });
	}
}