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 | 1128× 1128× 351× 351× 351× 351× 2× 349× 234× 24× 234× 9× 349× 61× 8× 61× 4× 349× 2× 349× 34× 349× 13× 164× 164× 164× 86× 78× 164× 155× 9× 9× 9× 9× 9× 9× 9× 9× 7× 2× 2× 1× 1× 1128× 406× 406× 406× 1128× 1128× 326× 326× 326× 326× 326× 29× 29× 29× 326× 2× 1× 1× | import { forEach, find, matchPattern } from 'min-dash'; import inherits from 'inherits'; import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor'; import { is } from '../../../util/ModelUtil'; export default function ReplaceConnectionBehavior(eventBus, modeling, bpmnRules, injector) { CommandInterceptor.call(this, eventBus); var dragging = injector.get('dragging', false); function fixConnection(connection) { var source = connection.source, target = connection.target, parent = connection.parent; // do not do anything if connection // is already deleted (may happen due to other // behaviors plugged-in before) if (!parent) { return; } var replacementType, remove; /** * Check if incoming or outgoing connections * can stay or could be substituted with an * appropriate replacement. * * This holds true for SequenceFlow <> MessageFlow. */ if (is(connection, 'bpmn:SequenceFlow')) { if (!bpmnRules.canConnectSequenceFlow(source, target)) { remove = true; } if (bpmnRules.canConnectMessageFlow(source, target)) { replacementType = 'bpmn:MessageFlow'; } } // transform message flows into sequence flows, if possible if (is(connection, 'bpmn:MessageFlow')) { if (!bpmnRules.canConnectMessageFlow(source, target)) { remove = true; } if (bpmnRules.canConnectSequenceFlow(source, target)) { replacementType = 'bpmn:SequenceFlow'; } } if (is(connection, 'bpmn:Association') && !bpmnRules.canConnectAssociation(source, target)) { remove = true; } // remove invalid connection, // unless it has been removed already if (remove) { modeling.removeConnection(connection); } // replace SequenceFlow <> MessageFlow if (replacementType) { modeling.connect(source, target, { type: replacementType, waypoints: connection.waypoints.slice() }); } } function replaceReconnectedConnection(event) { var context = event.context, connection = context.connection, allowed, replacement; if (context.newTarget) { allowed = bpmnRules.canConnect(connection.source, context.newTarget); } else { allowed = bpmnRules.canConnect(context.newSource, connection.target); } if (!allowed || allowed.type === connection.type) { return; } // temporarily connect old shapes with new connection replacement = modeling.connect(connection.source, connection.target, { type: allowed.type, waypoints: connection.waypoints.slice() }); // remove old connection modeling.removeConnection(connection); // replace connection in context to reconnect end/start context.connection = replacement; Eif (dragging) { cleanDraggingSelection(connection, replacement); } } // monkey-patch selection saved in dragging in order to not re-select non-existing connection function cleanDraggingSelection(oldConnection, newConnection) { var context = dragging.context(), previousSelection = context && context.payload.previousSelection, index; // do nothing if not dragging or no selection was present if (!previousSelection || !previousSelection.length) { return; } index = previousSelection.indexOf(oldConnection); if (index === -1) { return; } previousSelection.splice(index, 1, newConnection); } // lifecycle hooks this.postExecuted('elements.move', function(context) { var closure = context.closure, allConnections = closure.allConnections; forEach(allConnections, fixConnection); }, true); this.preExecute([ 'connection.reconnectStart', 'connection.reconnectEnd' ], replaceReconnectedConnection); this.postExecuted('element.updateProperties', function(event) { var context = event.context, properties = context.properties, element = context.element, businessObject = element.businessObject, connection; // remove condition expression when morphing to default flow if (properties.default) { connection = find( element.outgoing, matchPattern({ id: element.businessObject.default.id }) ); Eif (connection) { modeling.updateProperties(connection, { conditionExpression: undefined }); } } // remove default property from source when morphing to conditional flow if (properties.conditionExpression && businessObject.sourceRef.default === businessObject) { modeling.updateProperties(element.source, { default: undefined }); } }); } inherits(ReplaceConnectionBehavior, CommandInterceptor); ReplaceConnectionBehavior.$inject = [ 'eventBus', 'modeling', 'bpmnRules', 'injector' ]; |