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
|
/*******************************************************************************
* Copyright (c) 2011 protos software gmbh (http://www.protos.de).
* 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:
* Juergen Haug (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.core.ui.util
import com.google.common.collect.ImmutableList
import java.util.Map
import org.eclipse.emf.ecore.EObject
import org.eclipse.etrice.core.fsm.fSM.ModelComponent
import org.eclipse.etrice.core.fsm.fSM.TransitionBase
import org.eclipse.etrice.core.genmodel.fsm.ExtendedFsmGenBuilder
import org.eclipse.etrice.core.genmodel.fsm.FsmGenExtensions
import org.eclipse.etrice.core.genmodel.fsm.fsmgen.GraphContainer
import org.eclipse.etrice.core.room.ActorClass
import org.eclipse.etrice.core.room.MessageData
import org.eclipse.etrice.core.room.RoomClass
import org.eclipse.etrice.core.ui.RoomUiModule
import org.eclipse.etrice.expressions.detailcode.DetailExpressionAssistParser
import org.eclipse.etrice.expressions.detailcode.DetailExpressionProvider
import org.eclipse.etrice.expressions.detailcode.IDetailExpressionProvider
import org.eclipse.etrice.expressions.detailcode.IDetailExpressionProvider.ExpressionFeature
import org.eclipse.jface.text.Document
import org.eclipse.xtext.nodemodel.ILeafNode
import static org.eclipse.xtext.EcoreUtil2.getContainerOfType
import org.eclipse.etrice.expressions.detailcode.IDetailExpressionProvider.EmptyDetailExpressionProvider
/**
* Utility to create and cache DetailExpressionProvider
*/
class UIExpressionUtil {
static class ExpressionCache {
val genModelAccess = new GenModelAccess
val Map<RoomClass, ImmutableList<ExpressionFeature>> classScopeCache = newHashMap
}
static class GenModelAccess {
Map<ModelComponent, GraphContainer> cache = newHashMap
def public GraphContainer get(ModelComponent mc) {
if(!cache.containsKey(mc)) {
val builder = new ExtendedFsmGenBuilder(RoomUiModule.injector);
val gc = builder.createTransformedModel(mc)
builder.withCommonData(gc)
cache.put(mc, gc)
}
return cache.get(mc)
}
}
static def IDetailExpressionProvider selectExpressionProvider(EObject ctx, ExpressionCache cache) {
// TODO intermediate fix for null from Dialogs
if(ctx === null)
return new EmptyDetailExpressionProvider
val exprProvider = RoomUiModule.getInjector().getInstance(DetailExpressionProvider) => [ prov |
prov.model = ctx
]
// set cache
val roomClass = getContainerOfType(ctx, RoomClass)
if(roomClass !== null) {
exprProvider.classScopeCache = cache.classScopeCache.get(roomClass)
if(exprProvider.classScopeCache === null)
cache.classScopeCache.put(roomClass, exprProvider.createAndSetClassScopeCache)
}
// set transitionData
val transition = getContainerOfType(ctx, TransitionBase)
if(transition !== null) {
if(roomClass instanceof ActorClass) {
val commonData = FsmGenExtensions.getLinkFor(cache.genModelAccess.get(roomClass), transition)?.commonData
if(commonData instanceof MessageData)
exprProvider.transitionEventData = commonData
}
}
return exprProvider
}
static def IDetailExpressionProvider selectExpressionProvider(EObject it) {
return selectExpressionProvider(it, new ExpressionCache)
}
static def ExpressionFeature findAtOffset(ILeafNode leafNode, int offset) {
// work in progress - show eObject for detail code
val exprProvider = selectExpressionProvider(leafNode.semanticElement)
// TODO explicit support for hover info in DetailExpressionAssistParser
val text = leafNode.text
val completeExprOffset = {
var exprEndOfsset = offset - leafNode.offset
while(text.length > exprEndOfsset && Character.isJavaIdentifierPart(text.charAt(exprEndOfsset)))
exprEndOfsset += 1
exprEndOfsset
}
val parser = new DetailExpressionAssistParser(new Document(leafNode.text), completeExprOffset, exprProvider)
val word = parser.computeIdentifierPrefix(completeExprOffset)
switch contextFeature : parser.resolveLatestCompleted {
case null: exprProvider.initialFeatures.findFirst[id == word]
default: exprProvider.getContextFeatures(contextFeature).findFirst[id == word]
}
}
}
|
