blob: 11e571f744534285564b58b8264df0362bc183e1 (
plain) (
blame)
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
132
133
134
135
136
137
138
139
140
|
/*
* Copyright (c) 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.internal.ui.transfer;
import org.eclipse.emf.cdo.eresource.CDOResourceNode;
import org.eclipse.emf.cdo.transfer.CDOTransferElement;
import org.eclipse.emf.cdo.transfer.CDOTransferSystem;
import org.eclipse.emf.cdo.transfer.spi.repository.RepositoryTransferSystem;
import org.eclipse.emf.cdo.transfer.spi.ui.TransferUIProvider;
import org.eclipse.emf.cdo.transfer.spi.ui.TransferUIProvider.Factory;
import org.eclipse.emf.cdo.transfer.ui.TransferDialog;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.cdo.view.CDOViewRegistry;
import org.eclipse.net4j.util.ObjectUtil;
import org.eclipse.net4j.util.container.IManagedContainer;
import org.eclipse.net4j.util.container.IPluginContainer;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.IORuntimeException;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.part.IDropActionDelegate;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* @author Eike Stepper
*/
public class RepositoryPluginDropAdapter implements IDropActionDelegate
{
public static final String DROP_ACTION_ID = "org.eclipse.emf.cdo.ui.RepositoryPluginDropAdapter";
private TransferUIProvider[] uiProviders;
public RepositoryPluginDropAdapter()
{
uiProviders = getUIProviders();
}
protected IManagedContainer getContainer()
{
return IPluginContainer.INSTANCE;
}
protected TransferUIProvider[] getUIProviders()
{
return Factory.getAll(getContainer());
}
public boolean run(Object source, Object target)
{
List<CDOResourceNode> nodes = getResourceNodes(source);
if (ObjectUtil.isEmpty(nodes))
{
return false;
}
CDOView view = nodes.get(0).cdoView();
CDOTransferSystem sourceSystem = new RepositoryTransferSystem(view);
List<CDOTransferElement> sourceElements = new ArrayList<CDOTransferElement>(nodes.size());
for (CDOResourceNode node : nodes)
{
sourceElements.add(sourceSystem.getElement(node.getPath()));
}
CDOTransferElement targetElement = getTargetElement(target);
if (targetElement == null || !targetElement.isDirectory())
{
return false;
}
Shell shell = new Shell();
return TransferDialog.open(shell, sourceElements, targetElement);
}
protected CDOTransferElement getTargetElement(Object target)
{
for (TransferUIProvider uiProvider : uiProviders)
{
CDOTransferElement targetElement = uiProvider.convertTransferTarget(target);
if (targetElement != null)
{
return targetElement;
}
}
return null;
}
protected List<CDOResourceNode> getResourceNodes(Object source)
{
try
{
ByteArrayInputStream bais = new ByteArrayInputStream((byte[])source);
@SuppressWarnings("resource")
ExtendedDataInputStream in = new ExtendedDataInputStream(bais);
int viewID = in.readInt();
CDOView view = CDOViewRegistry.INSTANCE.getView(viewID);
if (view == null)
{
return null;
}
List<CDOResourceNode> nodes = new ArrayList<CDOResourceNode>();
for (;;)
{
String path = in.readString();
if (path == null)
{
break;
}
CDOResourceNode node = view.getResourceNode(path);
if (node != null)
{
nodes.add(node);
}
}
return nodes;
}
catch (IOException ex)
{
throw new IORuntimeException(ex);
}
}
}
|
