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open-bpmn.glsp-client/open-bpmn-glsp/src/bpmn-select-listeners.tsx
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| /******************************************************************************** | ||
| * Copyright (c) 2022 Imixs Software Solutions GmbH and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * This Source Code may also be made available under the following Secondary | ||
| * Licenses when the conditions for such availability set forth in the Eclipse | ||
| * Public License v. 2.0 are satisfied: GNU General Public License, version 2 | ||
| * with the GNU Classpath Exception which is available at | ||
| * https://www.gnu.org/software/classpath/license.html. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 | ||
| ********************************************************************************/ | ||
| import { | ||
| ActionDispatcher, filter, getElements, hasArguments, SelectAction, | ||
| SModelRoot, TYPES | ||
| } from '@eclipse-glsp/client'; | ||
| import { SelectionListener } from '@eclipse-glsp/client/lib/features/select/selection-service'; | ||
| import { | ||
| isBoundaryEvent, isBPMNLabelNode, isLaneNode, isPoolNode, isTaskNode | ||
| } from '@open-bpmn/open-bpmn-model'; | ||
| import { inject, injectable } from 'inversify'; | ||
|
|
||
| /**************************************************************************** | ||
| * This module provides BPMN select listeners for custom behavior. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
||
| /** | ||
| * This selectionListener selects additional associated BoundaryEvents and BPMNLabels. | ||
| * This allows to move both independent Nodes (TaskNode and BoundaryEvent, GNode and GLabel) | ||
| */ | ||
| @injectable() | ||
| export class BPMNLabelNodeSelectionListener implements SelectionListener { | ||
| @inject(TYPES.IActionDispatcher) | ||
| protected actionDispatcher: ActionDispatcher; | ||
|
|
||
| selectionChanged(root: Readonly<SModelRoot>, selectedElements: string[]): void { | ||
| const additionalSelection: string[]=['']; | ||
| // We are interested in Tasks with BoundaryEvents ... | ||
| const selectedTaskNodes = getElements(root.index, selectedElements, isTaskNode); | ||
| // - first get a list of all selected TaskIDs | ||
| const taskIds = selectedTaskNodes.map(task => task.id); | ||
| // - next iterate over all BoundaryEvents | ||
| const boundaryEvents=filter(root.index,isBoundaryEvent); | ||
| if (selectedTaskNodes.length > 0) { | ||
| // do we have a boundaryEvent that matches this taskID? | ||
| boundaryEvents.forEach( b => { | ||
| if (hasArguments(b)) { | ||
| const taskRef=b.args.attachedToRef+''; | ||
| if (taskIds.includes(taskRef)) { | ||
| additionalSelection.push(b.id); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| // ... and we are interested in BPMNLabelNodes | ||
| const eventNodes = getElements(root.index, selectedElements, isBPMNLabelNode); | ||
| if (eventNodes.length > 0) { | ||
| // find the associated BPMNLabels | ||
| const eventLabelIds = eventNodes.map(node => node.id + '_bpmnlabel'); | ||
| eventLabelIds.forEach( l => { | ||
| additionalSelection.push(l); | ||
| }); | ||
| } | ||
| // finally dispatch the additional elementIDs... | ||
| this.actionDispatcher.dispatch(SelectAction.create({ selectedElementsIDs: additionalSelection })); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * This selectionListener reacts on multiple selection. In case the selection list contains | ||
| * a Pool or a Lane, these elements are removed from the selection. This is to support | ||
| * multi-node selections within a Pool with the Marquee Tool. | ||
| * As a consequence it is not possible to select | ||
| */ | ||
| @injectable() | ||
| export class BPMNMultiNodeSelectionListener implements SelectionListener { | ||
| @inject(TYPES.IActionDispatcher) | ||
| protected actionDispatcher: ActionDispatcher; | ||
|
|
||
| selectionChanged(root: Readonly<SModelRoot>, selectedElements: string[]): void { | ||
| // react only if more than one element is selected | ||
| if (selectedElements.length<2) { | ||
| return; | ||
| } | ||
| const containerIDs: string[]=[]; | ||
| // We are interested in Pools and Lanes ... | ||
| const selectedPools = getElements(root.index, selectedElements, isPoolNode); | ||
| const selectedLanes = getElements(root.index, selectedElements, isLaneNode); | ||
| // collect pools... | ||
| selectedPools.forEach( elementNode => { | ||
| containerIDs.push(elementNode.id); | ||
| }); | ||
| // collect lanes... | ||
| selectedLanes.forEach( elementNode => { | ||
| containerIDs.push(elementNode.id); | ||
| }); | ||
| // if the size of the selected containers is equals the size of selectionElements | ||
| // this means we only have containers selected and can skip this method | ||
| if (selectedElements.length===containerIDs.length) { | ||
| return; | ||
| } | ||
| // filter current selection... | ||
| selectedElements = selectedElements.filter(function (element: string) { | ||
| return !containerIDs.includes(element); | ||
| }); | ||
|
|
||
| // finally dispatch the updated selected and unselected IDs... | ||
| this.actionDispatcher.dispatch(SelectAction.create({ selectedElementsIDs: selectedElements, deselectedElementsIDs: containerIDs })); | ||
| } | ||
| } |
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