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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186 |
1128×
16×
16×
16×
8×
8×
8×
8×
8×
8×
7×
7×
7×
14×
105×
14×
66×
66×
1128×
414×
414×
414×
14×
14×
14×
14×
6×
1128×
94×
94×
94×
4×
4×
4×
4×
4×
4×
1128×
467×
467×
467×
467×
5×
5×
5×
1128×
93×
93×
93×
2×
2×
1×
1× | import inherits from 'inherits';
import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor';
import {
add as collectionAdd,
remove as collectionRemove
} from 'diagram-js/lib/util/Collections';
import {
getBusinessObject,
is
} from '../../../util/ModelUtil';
import {
createCategoryValue
} from './util/CategoryUtil';
/**
* BPMN specific Group behavior
*/
export default function GroupBehavior(eventBus, bpmnFactory, canvas, elementRegistry) {
CommandInterceptor.call(this, eventBus);
/**
* Gets process definitions
*
* @return {ModdleElement} definitions
*/
function getDefinitions() {
var rootElement = canvas.getRootElement(),
businessObject = getBusinessObject(rootElement);
return businessObject.$parent;
}
/**
* Removes a referenced category value for a given group shape
*
* @param {djs.model.Shape} shape
*/
function removeReferencedCategoryValue(shape) {
var businessObject = getBusinessObject(shape),
categoryValue = businessObject.categoryValueRef,
category = categoryValue.$parent;
Iif (!categoryValue) {
return;
}
collectionRemove(category.categoryValue, categoryValue);
// cleanup category if it is empty
if (category && !category.categoryValue.length) {
removeCategory(category);
}
}
/**
* Removes a given category from the definitions
*
* @param {ModdleElement} category
*/
function removeCategory(category) {
var definitions = getDefinitions();
collectionRemove(definitions.get('rootElements'), category);
}
/**
* Returns all group element in the current registry
*
* @return {Array<djs.model.shape>} a list of group shapes
*/
function getGroupElements() {
return elementRegistry.filter(function(e) {
return is(e, 'bpmn:Group');
});
}
/**
* Returns true if given categoryValue is referenced in one of the given elements
*
* @param {Array<djs.model.shape>} elements
* @param {ModdleElement} categoryValue
* @return {Boolean}
*/
function isReferenced(elements, categoryValue) {
return elements.some(function(e) {
var businessObject = getBusinessObject(e);
return businessObject.categoryValueRef
&& businessObject.categoryValueRef === categoryValue;
});
}
/**
* remove referenced category + value when group was deleted
*/
this.executed('shape.delete', function(event) {
var context = event.context,
shape = context.shape;
if (is(shape, 'bpmn:Group')) {
var businessObject = getBusinessObject(shape),
categoryValueRef = businessObject.categoryValueRef,
groupElements = getGroupElements();
if (!isReferenced(groupElements, categoryValueRef)) {
removeReferencedCategoryValue(shape);
}
}
});
/**
* re-attach removed category
*/
this.reverted('shape.delete', function(event) {
var context = event.context,
shape = context.shape;
if (is(shape, 'bpmn:Group')) {
var businessObject = getBusinessObject(shape),
categoryValueRef = businessObject.categoryValueRef,
definitions = getDefinitions(),
category = categoryValueRef ? categoryValueRef.$parent : null;
collectionAdd(category.get('categoryValue'), categoryValueRef);
collectionAdd(definitions.get('rootElements'), category);
}
});
/**
* create new category + value when group was created
*/
this.execute('shape.create', function(event) {
var context = event.context,
shape = context.shape,
businessObject = getBusinessObject(shape);
if (is(businessObject, 'bpmn:Group') && !businessObject.categoryValueRef) {
var definitions = getDefinitions(),
categoryValue = createCategoryValue(definitions, bpmnFactory);
// link the reference to the Group
businessObject.categoryValueRef = categoryValue;
}
});
this.revert('shape.create', function(event) {
var context = event.context,
shape = context.shape;
if (is(shape, 'bpmn:Group')) {
removeReferencedCategoryValue(shape);
delete getBusinessObject(shape).categoryValueRef;
}
});
}
GroupBehavior.$inject = [
'eventBus',
'bpmnFactory',
'canvas',
'elementRegistry'
];
inherits(GroupBehavior, CommandInterceptor); |