content: // This file is part of AceWiki.
  // Copyright 2008-2013, AceWiki developers.
  // 
  // AceWiki 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, either version 3 of
  // the License, or (at your option) any later version.
  // 
  // AceWiki 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 AceWiki. If
  // not, see http://www.gnu.org/licenses/.
  
  package ch.uzh.ifi.attempto.acewiki.gui;
  
  import nextapp.echo.app.Alignment;
  import nextapp.echo.app.Button;
  import nextapp.echo.app.Color;
  import nextapp.echo.app.Component;
  import nextapp.echo.app.Extent;
  import nextapp.echo.app.Font;
  import nextapp.echo.app.Insets;
  import nextapp.echo.app.Row;
  import nextapp.echo.app.event.ActionEvent;
  import nextapp.echo.app.event.ActionListener;
  import nextapp.echo.app.layout.RowLayoutData;
  import ch.uzh.ifi.attempto.echocomp.Label;
  import ch.uzh.ifi.attempto.echocomp.SolidLabel;
  import ch.uzh.ifi.attempto.echocomp.Style;
  
  /**
   * This class represents a title label which is used for article titles.
   * 
   * @author Tobias Kuhn
   */
  // TODO improve this class
  public class Title extends Row implements ActionListener {
  	
  	private static final long serialVersionUID = 7797492687936611323L;
  	
  	private Component titleComp;
  	private SolidLabel postTitleLabel;
  	private ActionListener actionListener;
  	
  	/**
  	 * Creates a new clickable title which has two parts. The second part is shown in gray.
  	 * 
  	 * @param text The text of the main part of the title.
  	 * @param postTitle The text of the second part of the title in gray.
  	 * @param tooltip The tooltip text.
  	 * @param actionListener The action listener.
  	 */
  	public Title(String text, String postTitle, String tooltip, ActionListener actionListener) {
  		this.actionListener = actionListener;
  		setInsets(new Insets(10, 5, 10, 5));
  		Row row = new Row();
  		row.setCellSpacing(new Extent(5));
  		if (actionListener == null) {
  			Label l = new Label(text);
  			if (tooltip != null) {
  				l.setToolTipText(tooltip);
  			}
  			titleComp = l;
  		} else {
  			Button b = new Button(text);
  			b.setInsets(new Insets(0, 0, 0, 0));
  			b.setRolloverEnabled(true);
  			b.setRolloverForeground(Color.BLUE);
  			b.addActionListener(this);
  			if (tooltip != null) {
  				b.setToolTipText(tooltip);
  			}
  			titleComp = b;
  		}
  		titleComp.setFont(new Font(Style.fontTypeface, Font.PLAIN, new Extent(20)));
  		row.add(titleComp);
  		postTitleLabel = new SolidLabel(postTitle);
  		postTitleLabel.setFont(new Font(Style.fontTypeface, Font.ITALIC, new Extent(20)));
  		postTitleLabel.setForeground(Color.DARKGRAY);
  		RowLayoutData layout = new RowLayoutData();
  		layout.setAlignment(new Alignment(Alignment.CENTER, Alignment.BOTTOM));
  		postTitleLabel.setLayoutData(layout);
  		row.add(postTitleLabel);
  		add(row);
  	}
  	/**
  	 * Creates a new non-clickable title which has two parts. The second part is shown in gray.
  	 * 
  	 * @param text The text of the main part of the title.
  	 * @param postTitle The text of the second part of the title in gray.
  	 */
  	public Title(String text, String postTitle) {
  		this(text, postTitle, null, null);
  	}
  	
  	/**
  	 * Creates a new clickable title.
  	 * 
  	 * @param text The text of the title.
  	 * @param italic Defines whether the title text should be displayed in italics.
  	 * @param tooltip The tooltip text.
  	 * @param actionListener The action listener.
  	 */
  	public Title(String text, boolean italic, String tooltip, ActionListener actionListener) {
  		this.actionListener = actionListener;
  		setInsets(new Insets(10, 5, 5, 5));
  		if (actionListener == null) {
  			Label l = new Label(text);
  			if (tooltip != null) {
  				l.setToolTipText(tooltip);
  			}
  			titleComp = l;
  		} else {
  			Button b = new Button(text);
  			b.setInsets(new Insets(0, 0, 0, 0));
  			b.setRolloverEnabled(true);
  			b.setRolloverForeground(Color.BLUE);
  			b.addActionListener(this);
  			if (tooltip != null) {
  				b.setToolTipText(tooltip);
  			}
  			titleComp = b;
  		}
  		if (italic) {
  			titleComp.setFont(new Font(Style.fontTypeface, Font.ITALIC, new Extent(20)));
  		} else {
  			titleComp.setFont(new Font(Style.fontTypeface, Font.PLAIN, new Extent(20)));
  		}
  		add(titleComp);
  	}
  	
  	/**
  	 * Creates a new non-clickable title.
  	 * 
  	 * @param text The text of the title.
  	 * @param tooltip The tooltip text.
  	 * @param actionListener The action listener.
  	 */
  	public Title(String text, String tooltip, ActionListener actionListener) {
  		this(text, false, tooltip, actionListener);
  	}
  	
  	/**
  	 * Creates a new clickable title.
  	 * 
  	 * @param text The text of the title.
  	 * @param italic Defines whether the title text should be displayed in italics.
  	 */
  	public Title(String text, boolean italic) {
  		this(text, italic, null, null);
  	}
  	
  	/**
  	 * Creates a new non-clickable title.
  	 * 
  	 * @param text The title text.
  	 */
  	public Title(String text) {
  		this(text, false, null, null);
  	}
  	
  	/**
  	 * Resets the title text.
  	 * 
  	 * @param text The title text.
  	 */
  	public void setText(String text) {
  		if (titleComp instanceof Label) {
  			((Label) titleComp).setText(text);
  		} else if (titleComp instanceof Button) {
  			((Button) titleComp).setText(text);
  		}
  	}
  
  	/**
  	 * Sets the text of the second part of the title in gray.
  	 * 
  	 * @param text The new text.
  	 */
  	public void setPostTitle(String text) {
  		if (postTitleLabel != null) {
  			postTitleLabel.setText(text);
  		}
  	}
  
  	/**
  	 * Sets the tooltip text for the title.
  	 * 
  	 * @param tooltip The new text.
  	 */
  	public void setTooltip(String tooltip) {
  		if (titleComp instanceof Label) {
  			((Label) titleComp).setToolTipText(tooltip);
  		} else if (titleComp instanceof Button) {
  			((Button) titleComp).setToolTipText(tooltip);
  		}
  	}
  	
  	/**
  	 * Sets the foreground color of the title text.
  	 * 
  	 * @param color The foreground color.
  	 */
  	public void setColor(Color color) {
  		titleComp.setForeground(color);
  	}
  	
  	public void actionPerformed(ActionEvent e) {
  		actionListener.actionPerformed(new ActionEvent(this, "Title clicked"));
  	}
  	
  }
  