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50 lines
1.2 KiB
50 lines
1.2 KiB
3 years ago
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import inherits from 'inherits-browser';
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import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor';
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import { is } from '../../../util/ModelUtil';
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import { isExpanded } from '../../../util/DiUtil.js';
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/**
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* Add start event replacing element with expanded sub process.
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*
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* @param {Injector} injector
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* @param {Modeling} modeling
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*/
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export default function SubProcessStartEventBehavior(injector, modeling) {
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injector.invoke(CommandInterceptor, this);
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this.postExecuted('shape.replace', function(event) {
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var oldShape = event.context.oldShape,
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newShape = event.context.newShape;
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if (
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!is(newShape, 'bpmn:SubProcess') ||
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! (is(oldShape, 'bpmn:Task') || is(oldShape, 'bpmn:CallActivity')) ||
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!isExpanded(newShape)
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) {
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return;
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}
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var position = getStartEventPosition(newShape);
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modeling.createShape({ type: 'bpmn:StartEvent' }, position, newShape);
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});
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}
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SubProcessStartEventBehavior.$inject = [
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'injector',
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'modeling'
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];
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inherits(SubProcessStartEventBehavior, CommandInterceptor);
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// helpers //////////
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function getStartEventPosition(shape) {
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return {
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x: shape.x + shape.width / 6,
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y: shape.y + shape.height / 2
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};
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}
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