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#1598 Prototype the mapping transformer application
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108 changes: 108 additions & 0 deletions
108
...ness/src/client/components/custom-canvases/react-nodes-mapping/linkInputToOutputAction.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * Copyright 2023 Elyra Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| // import Action from "../command-stack/action.js"; | ||
| import { v4 as uuid4 } from "uuid"; | ||
| import { get } from "lodash"; | ||
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|
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| export default class LinkInputToOutputAction { | ||
| constructor(srcNodeId, srcFields, trgNodeId, canvasController) { | ||
| // super(data); | ||
| this.srcNodeId = srcNodeId; | ||
| this.srcFields = srcFields; | ||
| this.trgNodeId = trgNodeId; | ||
| this.canvasController = canvasController; | ||
| this.oldTrgNode = canvasController.getNode(trgNodeId); | ||
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|
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| this.oldTrgInputs = [...this.oldTrgNode.inputs]; | ||
| this.oldLinks = [...this.canvasController.getLinks()]; | ||
| this.oldTrgAppData = this.oldTrgNode.app_data; | ||
| this.oldTrgFields = get(this, "oldTrgNode.app_data.table_data.fields", []); | ||
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| this.newTrgFields = [...this.oldTrgFields]; | ||
| this.newTrgInputs = [...this.oldTrgInputs]; | ||
| const startingLinks = this.oldLinks.filter((l) => l.srcNodeId === srcNodeId && l.trgNodeId === trgNodeId); | ||
| this.newLinks = [...startingLinks]; | ||
|
|
||
| srcFields.forEach((sf) => { | ||
| let trgField = this.getMatchingTrgField(sf); | ||
| if (!trgField) { | ||
| const trgId = uuid4(); | ||
| trgField = { id: trgId, label: sf.label, type: sf.type }; | ||
| this.newTrgFields.push(trgField); | ||
| this.newTrgInputs.push({ id: trgId }); | ||
| } | ||
|
|
||
| // Create what would be the link to the new, or existing, target field | ||
| const link = { | ||
| id: uuid4(), | ||
| srcNodeId: srcNodeId, | ||
| srcNodePortId: sf.id, | ||
| trgNodeId: trgNodeId, | ||
| trgNodePortId: trgField.id, | ||
| type: "nodeLink" | ||
| }; | ||
|
|
||
| // If the link doesn't exist, add it to those to be added to the camvas. | ||
| if (!this.linkExists(link)) { | ||
| this.newLinks.push(link); | ||
| } | ||
| }); | ||
|
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||
| this.newTrgAppData = { | ||
| table_data: { | ||
| fields: this.newTrgFields | ||
| } | ||
| }; | ||
| } | ||
|
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| getMatchingTrgField(sourceField) { | ||
| return this.oldTrgFields.find((tf) => tf.label === sourceField.label); | ||
| } | ||
|
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| linkExists(link) { | ||
| const result = this.oldLinks.find((l) => | ||
| l.srcNodeId === link.srcNodeId && | ||
| l.srcNodePortId === link.srcNodePortId && | ||
| l.trgNodeId === link.trgNodeId && | ||
| l.trgNodePortId === link.trgNodePortId); | ||
| return result; | ||
| } | ||
|
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| // Returns true if there is something to execute. No need to check the | ||
| // inputs array because it should be in-sync with the fields array. | ||
| isDoable() { | ||
| return this.newTrgFields.length > this.oldTrgFields.length || this.newLinks.length > this.oldLinks.length; | ||
| } | ||
|
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||
| // Standard methods | ||
| do() { | ||
| this.canvasController.setNodeProperties(this.trgNodeId, { inputs: this.newTrgInputs, app_data: this.newTrgAppData }); | ||
| this.canvasController.addLinks(this.newLinks); | ||
| } | ||
|
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||
| undo() { | ||
| this.canvasController.setNodeProperties(this.trgNodeId, { inputs: this.oldTrgInputs, app_data: this.oldTrgAppData }); | ||
| this.canvasController.setLinks(this.oldLinks); | ||
| } | ||
|
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||
| redo() { | ||
| this.do(); | ||
| } | ||
|
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||
| getLabel() { | ||
| return "Create " + this.newLinks.length + " mappings"; | ||
| } | ||
| } |
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