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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
| import PaletteProvider from 'bpmn-js/lib/features/palette/PaletteProvider'
| import { assign } from 'min-dash'
|
| export default function CustomPalette(
| palette,
| create,
| elementFactory,
| spaceTool,
| lassoTool,
| handTool,
| globalConnect,
| translate
| ) {
| PaletteProvider.call(
| this,
| palette,
| create,
| elementFactory,
| spaceTool,
| lassoTool,
| handTool,
| globalConnect,
| translate,
| 2000
| )
| }
|
| const F = function () {} // 核心,利用空对象作为中介;
| F.prototype = PaletteProvider.prototype // 核心,将父类的原型赋值给空对象F;
|
| // 利用中介函数重写原型链方法
| F.prototype.getPaletteEntries = function () {
| const actions = {},
| create = this._create,
| elementFactory = this._elementFactory,
| spaceTool = this._spaceTool,
| lassoTool = this._lassoTool,
| handTool = this._handTool,
| globalConnect = this._globalConnect,
| translate = this._translate
|
| function createAction(type, group, className, title, options) {
| function createListener(event) {
| const shape = elementFactory.createShape(assign({ type: type }, options))
|
| if (options) {
| shape.businessObject.di.isExpanded = options.isExpanded
| }
|
| create.start(event, shape)
| }
|
| const shortType = type.replace(/^bpmn:/, '')
|
| return {
| group: group,
| className: className,
| title: title || translate('Create {type}', { type: shortType }),
| action: {
| dragstart: createListener,
| click: createListener
| }
| }
| }
|
| function createSubprocess(event) {
| const subProcess = elementFactory.createShape({
| type: 'bpmn:SubProcess',
| x: 0,
| y: 0,
| isExpanded: true
| })
|
| const startEvent = elementFactory.createShape({
| type: 'bpmn:StartEvent',
| x: 40,
| y: 82,
| parent: subProcess
| })
|
| create.start(event, [subProcess, startEvent], {
| hints: {
| autoSelect: [startEvent]
| }
| })
| }
|
| function createParticipant(event) {
| create.start(event, elementFactory.createParticipantShape())
| }
|
| assign(actions, {
| 'hand-tool': {
| group: 'tools',
| className: 'bpmn-icon-hand-tool',
| title: '激活抓手工具',
| // title: translate("Activate the hand tool"),
| action: {
| click: function (event) {
| handTool.activateHand(event)
| }
| }
| },
| 'lasso-tool': {
| group: 'tools',
| className: 'bpmn-icon-lasso-tool',
| title: translate('Activate the lasso tool'),
| action: {
| click: function (event) {
| lassoTool.activateSelection(event)
| }
| }
| },
| 'space-tool': {
| group: 'tools',
| className: 'bpmn-icon-space-tool',
| title: translate('Activate the create/remove space tool'),
| action: {
| click: function (event) {
| spaceTool.activateSelection(event)
| }
| }
| },
| 'global-connect-tool': {
| group: 'tools',
| className: 'bpmn-icon-connection-multi',
| title: translate('Activate the global connect tool'),
| action: {
| click: function (event) {
| globalConnect.toggle(event)
| }
| }
| },
| 'tool-separator': {
| group: 'tools',
| separator: true
| },
| 'create.start-event': createAction(
| 'bpmn:StartEvent',
| 'event',
| 'bpmn-icon-start-event-none',
| translate('Create StartEvent')
| ),
| 'create.intermediate-event': createAction(
| 'bpmn:IntermediateThrowEvent',
| 'event',
| 'bpmn-icon-intermediate-event-none',
| translate('Create Intermediate/Boundary Event')
| ),
| 'create.end-event': createAction(
| 'bpmn:EndEvent',
| 'event',
| 'bpmn-icon-end-event-none',
| translate('Create EndEvent')
| ),
| 'create.exclusive-gateway': createAction(
| 'bpmn:ExclusiveGateway',
| 'gateway',
| 'bpmn-icon-gateway-none',
| translate('Create Gateway')
| ),
| 'create.user-task': createAction(
| 'bpmn:UserTask',
| 'activity',
| 'bpmn-icon-user-task',
| translate('Create User Task')
| ),
| 'create.data-object': createAction(
| 'bpmn:DataObjectReference',
| 'data-object',
| 'bpmn-icon-data-object',
| translate('Create DataObjectReference')
| ),
| 'create.data-store': createAction(
| 'bpmn:DataStoreReference',
| 'data-store',
| 'bpmn-icon-data-store',
| translate('Create DataStoreReference')
| ),
| 'create.subprocess-expanded': {
| group: 'activity',
| className: 'bpmn-icon-subprocess-expanded',
| title: translate('Create expanded SubProcess'),
| action: {
| dragstart: createSubprocess,
| click: createSubprocess
| }
| },
| 'create.participant-expanded': {
| group: 'collaboration',
| className: 'bpmn-icon-participant',
| title: translate('Create Pool/Participant'),
| action: {
| dragstart: createParticipant,
| click: createParticipant
| }
| },
| 'create.group': createAction(
| 'bpmn:Group',
| 'artifact',
| 'bpmn-icon-group',
| translate('Create Group')
| )
| })
|
| return actions
| }
|
| CustomPalette.$inject = [
| 'palette',
| 'create',
| 'elementFactory',
| 'spaceTool',
| 'lassoTool',
| 'handTool',
| 'globalConnect',
| 'translate'
| ]
|
| CustomPalette.prototype = new F() // 核心,将 F的实例赋值给子类;
| CustomPalette.prototype.constructor = CustomPalette // 修复子类CustomPalette的构造器指向,防止原型链的混乱;
|
|