summaryrefslogtreecommitdiff
path: root/java/src/IceGridGUI/Application/CommunicatorChildEditor.java
blob: ee3ffe139357789430183792077f6c51e62d3ba9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGridGUI.Application;

import javax.swing.JOptionPane;

import IceGrid.*;
import IceGridGUI.*;

abstract class CommunicatorChildEditor extends Editor
{  
    abstract void writeDescriptor();
    abstract boolean isSimpleUpdate();
    abstract Communicator.ChildList getChildList();

    void postUpdate() {}
    
    protected boolean applyUpdate(boolean refresh)
    {
	Root root = _target.getRoot();
	root.disableSelectionListener();
	try
	{
	    if(_target.isEphemeral())
	    {
		Communicator.ChildList childList = getChildList();
		
		writeDescriptor();
		Object descriptor = _target.getDescriptor();
		_target.destroy(); // just removes the child
		
		try
		{
		    childList.tryAdd(descriptor);
		}
		catch(UpdateFailedException e)
		{
		    //
		    // Restore ephemeral
		    //
		    try
		    {
			childList.addChild(_target, true);
		    }
		    catch(UpdateFailedException die)
		    {
			assert false;
		    }
		    
		    JOptionPane.showMessageDialog(
			root.getCoordinator().getMainFrame(),
			e.toString(),
			"Apply failed",
			JOptionPane.ERROR_MESSAGE);
		    
		    root.setSelectedNode(_target);
		    return false;
		}
		
		//
		// Success
		//
		_target = childList.findChildWithDescriptor(descriptor);
		root.updated();
		if(refresh)
		{
		    root.setSelectedNode(_target);
		}
	    }
	    else if(isSimpleUpdate())
	    {
		writeDescriptor();
		root.updated();
		((Communicator)_target.getParent()).getEnclosingEditable().markModified();
	    }
	    else
	    {
		//
		// Save to be able to rollback
		//
		Object savedDescriptor = ((DescriptorHolder)_target).saveDescriptor();
		Communicator.ChildList childList = getChildList();
		writeDescriptor();
		try
		{
		    childList.tryUpdate(_target);
		}
		catch(UpdateFailedException e)
		{
		    ((DescriptorHolder)_target).restoreDescriptor(savedDescriptor);
		    JOptionPane.showMessageDialog(
			root.getCoordinator().getMainFrame(),
			e.toString(),
			"Apply failed",
			JOptionPane.ERROR_MESSAGE);
		    return false;
		}
		
		//
		// Success
		//
		_target = childList.findChildWithDescriptor(_target.getDescriptor());
		root.updated();
		if(refresh)
		{
		    root.setSelectedNode(_target);
		}
	    }
	    
	    postUpdate();

	    if(refresh)
	    {
		root.getCoordinator().getCurrentTab().showNode(_target);
	    }
	    _applyButton.setEnabled(false);
	    _discardButton.setEnabled(false);
	    return true;
	}
	finally
	{
	    root.enableSelectionListener();
	}
    }
}