server/client/WidgetData.java

   1 /*******************************************************************************
   2  * Copyright (c) 2019 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.document.server.client;
  13
  14 import java.util.HashSet;
  15 import java.util.TreeMap;
  16
  17 import org.simantics.document.server.IEventCommand;
  18 import org.simantics.document.server.JSONObject;
  19 import org.simantics.document.server.io.CommandContext;
  20 import org.simantics.document.server.io.ICommand;
  21
  22 public class WidgetData {
  23
  24         public Object widget;
  25         public JSONObject object;
  26         public Document document;
  27         public TreeMap<String, WidgetData> childmap = new TreeMap<String, WidgetData>(new AlphanumericComparator());
  28     public HashSet<Object> listenerRegistrations = new HashSet<Object>();
  29
  30         public WidgetData(Document document, Object widget, JSONObject object) {
  31                 this.widget = widget;
  32                 this.object = object;
  33                 this.document = document;
  34         }
  35
  36         @SuppressWarnings({ "rawtypes" })
  37         public Object createElement() {
  38                 if(object == null)
  39                         return null;
  40                 WidgetManager manager = document.getManager(object);
  41                 return manager == null ? null : manager.createWidget(object);
  42         }
  43
  44         @SuppressWarnings({ "unchecked", "rawtypes" })
  45         public void updateChildren() {
  46                 if(object != null && widget != null && childmap != null) {
  47                         WidgetManager manager = document.getManager(object);
  48                         if(manager != null)
  49                                 manager.updateChildren(document, object, widget, childmap);
  50                 }
  51         }
  52
  53         @SuppressWarnings({ "unchecked", "rawtypes" })
  54         public void updateProperties() {
  55                 if(object == null)
  56                         return;
  57                 WidgetManager manager = document.getManager(object);
  58                 if(manager != null)
  59                         manager.updateProperties(document, object, widget);
  60         }
  61
  62     @SuppressWarnings({ "rawtypes", "unchecked" })
  63     public void updateCommands() {
  64         if(object == null)
  65             return;
  66
  67         // Then create the updated registrations
  68         CommandManager manager = document.getCommandManager(object);
  69
  70         // First remove all handler registrations
  71         if(manager != null) {
  72                 for(Object listener : listenerRegistrations) {
  73                         manager.removeListener(widget, listener);
  74                 }
  75         }
  76         listenerRegistrations.clear();
  77         if(manager != null)
  78             listenerRegistrations.addAll(manager.updateCommandListeners(document, object, widget));
  79
  80     }
  81
  82     @SuppressWarnings({ "unchecked", "rawtypes" })
  83     public IEventCommand eventCommand(ICommand command, CommandContext c) {
  84         if(object == null)
  85             return null;
  86         WidgetManager manager = document.getManager(object);
  87         if(manager != null)
  88             return manager.eventCommand(document, object, widget, command, c);
  89         else
  90             return null;
  91     }
  92
  93 }