com.extjs.gxt.ui.client.util.ThemeManager Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gxt Show documentation

Rich Internet Application Framework for GWT

There is a newer version: 2.3.1-gwt22

/*
 * Sencha GXT 2.3.0 - Sencha for GWT
 * Copyright(c) 2007-2013, Sencha, Inc.
 * [email protected]
 * 
 * http://www.sencha.com/products/gxt/license/
 */
 package com.extjs.gxt.ui.client.util;

import java.util.ArrayList;
import java.util.List;

/**
 * Manages the libraries themes. The BLUE and GRAY themes are registered when
 * the application is initialized.
 */
public class ThemeManager {

  private static List themes = new ArrayList();

  static {
    register(Theme.BLUE);
    register(Theme.GRAY);
  }

  /**
   * Returns the theme with the given id.
   * 
   * @param id the theme id
   * @return the matching theme or null
   */
  public static Theme findTheme(String id) {
    for (Theme t : themes) {
      if (t.getId().equals(id)) {
        return t;
      }
    }
    return null;
  }

  /**
   * Returns the theme at the given index.
   * 
   * @param index the index
   * @return the theme
   */
  public static Theme getTheme(int index) {
    return themes.get(index);
  }

  /**
   * Returns all registered themes.
   * 
   * @return the themes
   */
  public static List getThemes() {
    return new ArrayList(themes);
  }

  /**
   * Registers a theme.
   * 
   * @param theme the theme to register.
   */
  public static void register(Theme theme) {
    themes.add(theme);
  }

  /**
   * Unregisters a theme.
   * 
   * @param theme the theme to unregister
   */
  public static void unregister(Theme theme) {
    themes.remove(theme);
  }
}