content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library 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 2.1 of the License, or (at your option) any later version.
   *
   * This library 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.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.gwt.client.util;
  
  import org.opencms.ade.contenteditor.shared.CmsEditorConstants;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Keeps track of the actions which should be executed for each collector context id.<p>
   */
  public class CmsNewLinkFunctionTable {
  
      /** The global instance for this class. */
      public static final CmsNewLinkFunctionTable INSTANCE = new CmsNewLinkFunctionTable();
  
      /**
       * The map from collector context ids to the corresponding actions.<p>
       */
      private Map<String, Runnable> m_createFunctions = new HashMap<String, Runnable>();
  
      /**
       * Creates a new instance.<p>
       */
      public CmsNewLinkFunctionTable() {
  
          installFunction(CmsEditorConstants.FUNCTION_CREATE_NEW);
      }
  
      /**
       * Static method for used to create a new element based on a collector's context id and open the editor for id.<p>
       *
       * @param contextId the collector context id
       */
      public static void createAndEditNewElementStatic(String contextId) {
  
          INSTANCE.createAndEditNewElement(contextId);
      }
  
      /**
       * Helper method for logging.<p>
       *
       * @param s the string to log
       */
      private static native void log(String s) /*-{
                                               if ($wnd.console && $wnd.console.log) {
                                               $wnd.console.log(s);
                                               }
                                               }-*/;
  
      /**
       * Triggers creation and editing of a new element for the given collector, identified by its context id.<p>
       *
       * @param contextId the context id of the collector
       */
      public void createAndEditNewElement(String contextId) {
  
          Runnable action = m_createFunctions.get(contextId);
          if (action != null) {
              action.run();
          } else {
              log("Could not execute create action for context id '" + contextId + "'");
          }
      }
  
      /**
       * Installs a Javascript function which can be used to create and edit a new element given the collector context id.<p>
       *
       * @param functionName the name that should be used for the function
       */
      public native void installFunction(String functionName) /*-{
                                                              $wnd[functionName] = function(s) {
                                                              @org.opencms.gwt.client.util.CmsNewLinkFunctionTable::createAndEditNewElementStatic(Ljava/lang/String;)(s);
                                                              }
                                                              }-*/;
  
      /**
       * Sets the action which should be executed if cmsCreateAndEditNewElement is called with the given collector context id.<p>
       *
       * @param contextId the collector context id
       * @param action the action to execute
       */
      public void setHandler(String contextId, Runnable action) {
  
          if (contextId != null) {
              m_createFunctions.put(contextId, action);
          }
      }
  
  }
  