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1 package org.sapia.regis.gui;
2
3
4 import javax.swing.JLabel  ;
5 import javax.swing.JTabbedPane ;
6 import javax.swing.JTextField ;
7 import javax.swing.JTree ;
8 import javax.swing.tree.DefaultMutableTreeNode ;
9 import javax.swing.tree.DefaultTreeModel ;
10 import javax.swing.tree.MutableTreeNode ;
11 import javax.swing.tree.TreePath ;
12
13 import org.sapia.gumby.event.EventListener;
14 import org.sapia.gumby.event.EventManager;
15 import org.sapia.regis.Node;
16 import org.sapia.regis.Property;
17 import org.sapia.regis.gui.event.NewNodePropertyCreationEvent;
18 import org.sapia.regis.gui.event.NewNodeSelectionEvent;
19 import org.sapia.regis.gui.event.NodeChangeEvent;
20 import org.sapia.regis.gui.event.NodeCreatedEvent;
21 import org.sapia.regis.gui.event.NodeUpdatedEvent;
22 import org.sapia.regis.gui.event.PropertyCreationEvent;
23 import org.sapia.regis.gui.event.TaskEvent;
24 import org.sapia.regis.gui.model.ModelUtils;
25 import org.sapia.regis.gui.model.NodeModel;
26 import org.sapia.regis.gui.widgets.NewNodePanel;
27 import org.sapia.regis.gui.widgets.NodePanel;
28
29 public class Controller implements EventListener, GuiConsts{
30
31 public Controller(){
32 EventManager.getInstance().register(TaskEvent.class, this);
33 EventManager.getInstance().register(NodeChangeEvent.class, this);
34 EventManager.getInstance().register(NewNodeSelectionEvent.class, this);
35 EventManager.getInstance().register(PropertyCreationEvent.class, this);
36 EventManager.getInstance().register(NewNodePropertyCreationEvent.class, this);
37 EventManager.getInstance().register(NodeCreatedEvent.class, this);
38 }
39 public void onEvent(Object event) {
40 if(event instanceof TaskEvent){
41 ((TaskEvent)event).execute();
42 }
43 else if(event instanceof NodeChangeEvent){
44 refreshCurrentNodePane(((NodeChangeEvent)event).getNode(), true);
45 }
46 else if(event instanceof NodeUpdatedEvent){
47 refreshCurrentNodePane(((NodeUpdatedEvent)event).getNode(), true);
48 }
49 else if(event instanceof NewNodeSelectionEvent){
50 refreshNewNodePane(true);
51 }
52 else if(event instanceof NewNodePropertyCreationEvent){
53 Property prop = ((NewNodePropertyCreationEvent)event).getProperty();
54 GlobalContext.getInstance().getModelManager().getNewNodeModel().addProperty(prop);
55 refreshNewNodePane(false);
56 }
57 else if(event instanceof PropertyCreationEvent){
58 Property prop = ((PropertyCreationEvent)event).getProperty();
59 GlobalContext.getInstance().getModelManager().getNodeModel().addProperty(prop);
60 refreshCurrentNodePane(
61 GlobalContext.getInstance().getModelManager().getNodeModel().getNode(),
62 false);
63 }
64 else if(event instanceof NodeCreatedEvent){
65 handleNodeCreation(((NodeCreatedEvent)event).getNode());
66 }
67 }
68
69 private void refreshCurrentNodePane(Node node, boolean clear){
70 if(clear){
71 GlobalContext.getInstance().getModelManager().getNodeModel().setNode(node);
72 }
73 NodePanel panel = (NodePanel)GlobalContext.getInstance().getWidget(NODE_PANE);
74 panel.fireCurrentNodeChange();
75
76 JLabel title = (JLabel )GlobalContext.getInstance().getWidget(NODE_PANE_TITLE);
77 title.setText("/"+node.getAbsolutePath().toString());
78
79 JTabbedPane pane = (JTabbedPane )GlobalContext.getInstance().getWidget(TABBED_PANE);
80 pane.setSelectedIndex(0);
81 }
82
83 private void refreshNewNodePane(boolean clear){
84 NodeModel currentModel = GlobalContext.getInstance().getModelManager().getNodeModel();
85
86 NewNodePanel panel = (NewNodePanel)GlobalContext.getInstance().getRenderContext().getEnv().get(GuiConsts.NEW_NODE_PANE);
87 if(clear){
88 panel.fireCreateNewNodeForm();
89 }
90 else{
91 panel.fireUpdateNewNodeForm();
92 }
93
94 JLabel title = (JLabel )GlobalContext.getInstance().getRenderContext().getEnv().get(GuiConsts.NEW_NODE_PANE_TITLE);
95
96 if(currentModel.getNode() == null){
97 title.setText("/ ");
98 }
99 else{
100 title.setText(currentModel.getNode().getAbsolutePath().toString() + "/ ");
101 }
102 }
103
104 private void handleNodeCreation(Node node){
105 JTree tree = (JTree )GlobalContext.getInstance().getWidget(TREE);
106
107 synchronized(tree.getTreeLock()){
108 DefaultTreeModel model = (DefaultTreeModel )tree.getModel();
109 TreePath path = tree.getSelectionPath();
110 MutableTreeNode parent = null;
111 if(path == null){
112 parent = (MutableTreeNode )model.getRoot();
113 }
114 else{
115 parent = (MutableTreeNode )path.getLastPathComponent();
116 }
117 DefaultMutableTreeNode child = ModelUtils.buildTreeNodeFrom(node);
118
119 model.insertNodeInto(
120 child,
121 parent,
122 parent.getChildCount());
123
124
125 tree.scrollPathToVisible(new TreePath (child.getPath()));
126 JTabbedPane pane = (JTabbedPane )GlobalContext.getInstance().getWidget(TABBED_PANE);
127 refreshCurrentNodePane(node, true);
128 pane.setSelectedIndex(0);
129 JTextField newNodeName = (JTextField )GlobalContext.getInstance().getWidget(NEW_NODE_PANE_NAME);
130 newNodeName.setText("");
131 }
132 }
133
134 }
135 |
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