Changeset 831


Ignore:
Timestamp:
Mar 4, 2010, 5:43:09 PM (15 years ago)
Author:
tobias
Message:

added support for generic node types

Location:
vanHelsing/trunk/gui/src/de/dass_it/vanhelsing/gui
Files:
4 added
1 edited

Legend:

Unmodified
Added
Removed
  • vanHelsing/trunk/gui/src/de/dass_it/vanhelsing/gui/TreeNavigation.java

    r830 r831  
     1
    12package de.dass_it.vanhelsing.gui;
     3
     4import javax.swing.tree.DefaultTreeModel;
     5import javax.swing.tree.DefaultMutableTreeNode;
     6import de.dass_it.vanhelsing.gui.items.*;
     7
    28/*
    3  * Helper class to encapsulate all procedures to work with the tree structure.
     9 * Helper class to encapsulate all procedure
     10 * s to work with the tree structure.
    411 */
    512public class TreeNavigation extends BeanUtil {
     13        private DefaultTreeModel tree;
     14       
     15        public DefaultTreeModel createTree(DefaultMutableTreeNode root, String[] nodes){
     16               
     17                tree = new DefaultTreeModel(root);
     18                for(int i = 0; i< nodes.length; i++){
     19                        addNode(root, nodes[i]);
     20                }
     21               
     22               
     23                return tree;
     24        }
     25       
     26        public DefaultMutableTreeNode addNode(DefaultMutableTreeNode parent, String type){
     27                DefaultMutableTreeNode node = new DefaultMutableTreeNode();
     28                node.setParent(parent);
     29                UserObjectItemType userObject = new UserObjectItemType(node);
     30                type = "de.dass_it.vanhelsing.gui.items." + type + "Item";
     31                try {
     32                Class myClass = Class.forName(type);
     33                UserObjectItem item = (UserObjectItem) myClass.newInstance();
     34                userObject.setUserObjectItem(item);
    635
     36                } catch (ClassNotFoundException e){
     37                        System.err.println("Itemclass "+ type +" must be in the classpath");
     38                } catch (InstantiationException e){
     39                        System.err.println("Class"+type+"must be a concrete class, not an interface or an abstract class");
     40                } catch (IllegalAccessException e){
     41                        System.err.println("Class" + type + " lacks a no-argument constructor");
     42                }
     43                return node;
     44               
     45        }
    746}
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