|
1
|
/**
|
|
2
|
* Copyright (C) 2015 EDIT
|
|
3
|
* European Distributed Institute of Taxonomy
|
|
4
|
* http://www.e-taxonomy.eu
|
|
5
|
*
|
|
6
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
|
7
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
|
8
|
*/
|
|
9
|
package eu.etaxonomy.taxeditor.view;
|
|
10
|
|
|
11
|
import java.util.HashMap;
|
|
12
|
import java.util.Map;
|
|
13
|
|
|
14
|
import org.eclipse.core.commands.Command;
|
|
15
|
import org.eclipse.core.runtime.IConfigurationElement;
|
|
16
|
import org.eclipse.core.runtime.IExtensionRegistry;
|
|
17
|
import org.eclipse.core.runtime.Platform;
|
|
18
|
import org.eclipse.e4.core.commands.ECommandService;
|
|
19
|
import org.eclipse.e4.core.commands.EHandlerService;
|
|
20
|
import org.eclipse.jface.viewers.TreeNode;
|
|
21
|
|
|
22
|
import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;
|
|
23
|
import eu.etaxonomy.taxeditor.model.MessagingUtils;
|
|
24
|
|
|
25
|
/**
|
|
26
|
* Scans eu.etaxonomy.taxeditor.store.cdmViewer extension point.
|
|
27
|
* @author pplitzner
|
|
28
|
* @date Jul 7, 2015
|
|
29
|
*/
|
|
30
|
public class CdmViewerUtilE4 {
|
|
31
|
|
|
32
|
/**
|
|
33
|
* Returns a map of available commands to open the given input. Keys are the
|
|
34
|
* command IDs and values are their string representations.
|
|
35
|
*
|
|
36
|
* @param input
|
|
37
|
* the object which should be handled by the available commands
|
|
38
|
* @return a key-value map of available commands and their string
|
|
39
|
* representation
|
|
40
|
*/
|
|
41
|
public static Map<Command, String> getAvailableViewers(Object input, ECommandService commandService,
|
|
42
|
EHandlerService handlerService){
|
|
43
|
Map<Command, String> commandViewerNameMap = new HashMap<>();
|
|
44
|
|
|
45
|
Class<?> inputClass = null;
|
|
46
|
if(input!=null){
|
|
47
|
//for generic UuidAndTitleCache objects try to load the object
|
|
48
|
if (input instanceof UuidAndTitleCache){
|
|
49
|
UuidAndTitleCache<?> uuidAndTitleCache = (UuidAndTitleCache<?>)input;
|
|
50
|
inputClass = uuidAndTitleCache.getType();
|
|
51
|
}
|
|
52
|
//for tree nodes get the value resp. the object of the node
|
|
53
|
else if (input instanceof TreeNode){
|
|
54
|
TreeNode treeNode = (TreeNode)input;
|
|
55
|
inputClass = treeNode.getValue() == null? null: treeNode.getValue().getClass();
|
|
56
|
}
|
|
57
|
if (inputClass == null){
|
|
58
|
inputClass = input.getClass();
|
|
59
|
}
|
|
60
|
}
|
|
61
|
|
|
62
|
if(inputClass!=null){
|
|
63
|
IExtensionRegistry reg = Platform.getExtensionRegistry();
|
|
64
|
IConfigurationElement[] extensions = reg
|
|
65
|
.getConfigurationElementsFor("eu.etaxonomy.taxeditor.store.cdmViewer"); //$NON-NLS-1$
|
|
66
|
for (IConfigurationElement configElement : extensions) {
|
|
67
|
try {
|
|
68
|
if(configElement.getName().equals("viewCommandMapping")){ //$NON-NLS-1$
|
|
69
|
String commandId = configElement.getAttribute("commandId"); //$NON-NLS-1$
|
|
70
|
String viewerName = configElement.getAttribute("viewerName"); //$NON-NLS-1$
|
|
71
|
Class<?> selectionClass = Class.forName(configElement.getAttribute("selection")); //$NON-NLS-1$
|
|
72
|
if(selectionClass!=null
|
|
73
|
&& commandId!=null
|
|
74
|
&& viewerName!=null
|
|
75
|
&& selectionClass.isAssignableFrom(inputClass)){
|
|
76
|
Command command = commandService.getCommand(commandId);
|
|
77
|
commandViewerNameMap.put(command, viewerName);
|
|
78
|
}
|
|
79
|
}
|
|
80
|
} catch (ClassNotFoundException e) {
|
|
81
|
MessagingUtils.error(CdmViewerChooser.class, "Could not initalize selection class element of cdmViewer extension", e); //$NON-NLS-1$
|
|
82
|
}
|
|
83
|
}
|
|
84
|
}
|
|
85
|
return commandViewerNameMap;
|
|
86
|
}
|
|
87
|
|
|
88
|
}
|