content: /**
   * erlyberly, erlang trace debugger
   * Copyright (C) 2016 Andy Till
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program. If not, see <http://www.gnu.org/licenses/>.
   */
  package ui;
  
  import static de.jensd.fx.fontawesome.AwesomeDude.FONT_AWESOME_TTF_PATH;
  
  import de.jensd.fx.fontawesome.AwesomeDude;
  import de.jensd.fx.fontawesome.AwesomeIcon;
  import javafx.beans.NamedArg;
  import javafx.fxml.FXML;
  import javafx.scene.control.Label;
  import javafx.scene.text.Font;
  
  /**
   * This is mostly a copy/pasta of the Icon class from fontawesomefx but checks that style
   * is not null before appending it to the style string. Otherwise the css parser throws
   * an error because the string 'null 'is appended to the css.
   *
   * erlyberly has not upgraded to the latest fontawesomefx because the Icon class now
   * inherits from Text and not Label so tooltips cannot be set.
   */
  public class FAIcon extends Label {
  
      @FXML
      void initialize() {
      }
  
      static {
          Font.loadFont(AwesomeDude.class.getResource(FONT_AWESOME_TTF_PATH).toExternalForm(), 10.0);
      }
  
      public FAIcon(AwesomeIcon icon, String size, String style, String styleClass) {
          setText(icon.toString());
          // add least add "awesome"-class
          getStyleClass().add("awesome");
          if (styleClass != null && !styleClass.isEmpty()) {
              getStyleClass().add(styleClass);
          }
          size = (size == null || size.isEmpty()) ? "2em" : size;
          // make sure FontAwesome is assigned with appropriate size:
          String stylePrefix = String.format("-fx-font-family: FontAwesome; -fx-font-size: %s;", size);
          if(style != null) {
              stylePrefix += style;
          }
          setStyle(stylePrefix);
      }
  
      public FAIcon(@NamedArg("awesomeIcon") String awesomeIcon, @NamedArg("size") String size, @NamedArg("style") String style, @NamedArg("styleClass") String styleClass) {
          this(AwesomeIcon.valueOf(awesomeIcon), size, style, styleClass);
      }
  
      public FAIcon(@NamedArg("awesomeIcon") String awesomeIcon, @NamedArg("size") String size, @NamedArg("styleClass") String styleClass) {
          this(AwesomeIcon.valueOf(awesomeIcon), size, null, styleClass);
      }
  
      public FAIcon(@NamedArg("awesomeIcon") String awesomeIcon, @NamedArg("size") String size) {
          this(AwesomeIcon.valueOf(awesomeIcon), size, null, null);
      }
  
      public FAIcon(@NamedArg("awesomeIcon") String awesomeIcon) {
          this(AwesomeIcon.valueOf(awesomeIcon), "2em", null, null);
      }
  
      private FAIcon() {
          this(AwesomeIcon.STAR, "2em", null, null);
      }
  
      public static FAIcon create() {
          return new FAIcon();
      }
  
      public FAIcon icon(AwesomeIcon icon) {
          setText(icon.toString());
          return this;
      }
  
      public FAIcon size(String iconSize) {
          setStyle("-fx-font-size: " + iconSize + ";");
          return this;
      }
  
      public FAIcon style(String style) {
          setStyle(getStyle() + style);
          return this;
      }
  
      public FAIcon styleClass(String styleClass) {
          getStyleClass().add(styleClass);
          return this;
      }
  }
  