64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
import { is } from '../../../util/ModelUtil';
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import {
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roundBounds
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} from 'diagram-js/lib/layout/LayoutUtil';
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import {
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hasPrimaryModifier
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} from 'diagram-js/lib/util/Mouse';
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var SLIGHTLY_HIGHER_PRIORITY = 1001;
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/**
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* Invoke {@link Modeling#resizeLane} instead of
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* {@link Modeling#resizeShape} when resizing a Lane
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* or Participant shape.
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*/
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export default function ResizeLaneBehavior(eventBus, modeling) {
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eventBus.on('resize.start', SLIGHTLY_HIGHER_PRIORITY + 500, function(event) {
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var context = event.context,
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shape = context.shape;
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if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {
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// should we resize the opposite lane(s) in
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// order to compensate for the resize operation?
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context.balanced = !hasPrimaryModifier(event);
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}
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});
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/**
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* Intercept resize end and call resize lane function instead.
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*/
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eventBus.on('resize.end', SLIGHTLY_HIGHER_PRIORITY, function(event) {
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var context = event.context,
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shape = context.shape,
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canExecute = context.canExecute,
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newBounds = context.newBounds;
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if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {
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if (canExecute) {
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// ensure we have actual pixel values for new bounds
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// (important when zoom level was > 1 during move)
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newBounds = roundBounds(newBounds);
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// perform the actual resize
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modeling.resizeLane(shape, newBounds, context.balanced);
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}
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// stop propagation
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return false;
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}
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});
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}
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ResizeLaneBehavior.$inject = [
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'eventBus',
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'modeling'
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];
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