DrawComponentContainer


1   /**
2    * <copyright>
3    * </copyright>
4    *
5    * $Id: DrawComponentContainer.java 1613 2005-08-24 12:15:04Z marco $
6    */
7   package com.nightlabs.editor2d;
8   
9   import java.util.Collection  ;
10  import java.util.List  ;
11  
12  public interface DrawComponentContainer 
13  extends DrawComponent
14  {
15      public static final String   CHILD_ADDED = "Child Added";
16      public static final String   CHILD_REMOVED = "Child Removed";
17      
18      void addDrawComponent(DrawComponent drawComponent);
19      void removeDrawComponent(DrawComponent drawComponent);
20  
21  //  MultiLayerDrawComponent getRoot();
22      
23      void addDrawComponent(DrawComponent drawComponent, int index);
24      void removeDrawComponent(int index);
25  
26      void notifyChildTransform(DrawComponent child);
27  
28      List   getDrawComponents();   
29      void setDrawComponents(List   drawComponents);
30  
31      /**
32       * This method searches recursively in all child-{@link DrawComponent}s and collects
33       * all instances that either implement a given interface, are or extend a given class.  
34       *
35       * @param type A class or an interface which the searched <tt>DrawComponent</tt>s must match.
36       * @param canSelfPackage If <tt>false</tt>, it is assumed that the given class does not contain
37       *      itself and the search in this part of the tree is interrupted. If <tt>true</tt>, it will
38       *      search in a found instance of the given type for the given type - means the whole tree will
39       *      be scanned.
40       * @return A <tt>Collection</tt> with instances of the given <tt>type</tt>.
41       */
42      Collection   findDrawComponents(Class   type, boolean canSelfPackage);
43  
44      /**
45       * Convenience method which calls {@link #findDrawComponents(Class, boolean)} with
46       * <tt>canSelfPackage == false</tt>.
47       */
48      Collection   findDrawComponents(Class   type);
49  } // DrawComponentContainer
50
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