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1 package org.antlr.works.syntax.element;
2
3 import org.antlr.works.ate.folding.ATEFoldingEntity;
4 import org.antlr.works.ate.syntax.misc.ATEToken;
5 import org.antlr.works.editor.EditorPersistentObject;
6 import org.antlr.works.syntax.GrammarSyntaxParser;
7
8 import java.util.ArrayList  ;
9 import java.util.List ;
10
40
41 public class ElementAction extends ElementScopable implements EditorPersistentObject, ATEFoldingEntity {
42
43 public ElementRule rule;
44 public ATEToken start;
45 public ATEToken end;
46 public int actionNum;
47 private boolean expanded = true;
48 private GrammarSyntaxParser parser;
49
50 public ElementAction(GrammarSyntaxParser parser, ElementRule rule, ATEToken start) {
51 this.parser = parser;
52 this.rule = rule;
53 this.start = start;
54 }
55
56 public boolean containsIndex(int index) {
57 return index >= start.getStartIndex() && index <= end.getEndIndex();
58 }
59
60 public boolean equals(Object other) {
61 if(other == null) return false;
62
63 if(other instanceof ElementAction) {
64 return getUniqueIdentifier() == ((ElementAction)other).getUniqueIdentifier();
65 } else {
66 return false;
67 }
68 }
69
70 public List <ATEToken> getTokens() {
71 List <ATEToken> t = new ArrayList <ATEToken>();
72 for(int index=start.index; index<end.index; index++) {
73 t.add(parser.getTokens().get(index));
74 }
75 return t;
76 }
77
78 public int getUniqueIdentifier() {
79 String actionText = start.getText().substring(start.start, end.end);
80 return (rule.name+actionText+actionNum).hashCode();
81 }
82
83 public void foldingEntitySetExpanded(boolean expanded) {
84 this.expanded = expanded;
85 }
86
87 public boolean foldingEntityIsExpanded() {
88 return expanded;
89 }
90
91 public boolean foldingEntityCanBeCollapsed() {
92 return true;
93 }
94
95 public int foldingEntityGetStartParagraphIndex() {
96 return start.getStartIndex();
97 }
98
99 public int foldingEntityGetStartIndex() {
100 return start.getStartIndex();
101 }
102
103 public int foldingEntityGetEndIndex() {
104 return end.getEndIndex();
105 }
106
107 public int foldingEntityGetStartLine() {
108 return start.startLineNumber;
109 }
110
111 public int foldingEntityGetEndLine() {
112 return end.endLineNumber;
113 }
114
115 public String foldingEntityPlaceholderString() {
116 return "{ ... }";
117 }
118
119 public String foldingEntityID() {
120 return String.valueOf(getUniqueIdentifier());
121 }
122
123 public int foldingEntityLevel() {
124 return 1;
125 }
126
127 public Object getPersistentID() {
128 return getUniqueIdentifier();
129 }
130
131 public void persistentAssign(EditorPersistentObject otherObject) {
132 ElementAction otherAction = (ElementAction)otherObject;
133 this.expanded = otherAction.expanded;
134 }
135 }
136 |
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