StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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95 lines
2.8 KiB
95 lines
2.8 KiB
4 years ago
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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import BaseEvent from "../../core/BaseEvent.js";
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import * as arr from "../../utils/arr.js";
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class DropEvent extends BaseEvent {
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/**
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* Class of events fired on dropzones during drags with acceptable targets.
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*/
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constructor(dropState, dragEvent, type) {
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super(dragEvent._interaction);
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_defineProperty(this, "target", void 0);
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_defineProperty(this, "dropzone", void 0);
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_defineProperty(this, "dragEvent", void 0);
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_defineProperty(this, "relatedTarget", void 0);
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_defineProperty(this, "draggable", void 0);
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_defineProperty(this, "timeStamp", void 0);
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_defineProperty(this, "propagationStopped", false);
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_defineProperty(this, "immediatePropagationStopped", false);
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const {
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element,
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dropzone
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} = type === 'dragleave' ? dropState.prev : dropState.cur;
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this.type = type;
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this.target = element;
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this.currentTarget = element;
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this.dropzone = dropzone;
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this.dragEvent = dragEvent;
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this.relatedTarget = dragEvent.target;
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this.draggable = dragEvent.interactable;
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this.timeStamp = dragEvent.timeStamp;
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}
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/**
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* If this is a `dropactivate` event, the dropzone element will be
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* deactivated.
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*
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* If this is a `dragmove` or `dragenter`, a `dragleave` will be fired on the
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* dropzone element and more.
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*/
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reject() {
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const {
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dropState
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} = this._interaction;
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if (this.type !== 'dropactivate' && (!this.dropzone || dropState.cur.dropzone !== this.dropzone || dropState.cur.element !== this.target)) {
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return;
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}
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dropState.prev.dropzone = this.dropzone;
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dropState.prev.element = this.target;
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dropState.rejected = true;
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dropState.events.enter = null;
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this.stopImmediatePropagation();
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if (this.type === 'dropactivate') {
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const activeDrops = dropState.activeDrops;
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const index = arr.findIndex(activeDrops, ({
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dropzone,
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element
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}) => dropzone === this.dropzone && element === this.target);
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dropState.activeDrops.splice(index, 1);
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const deactivateEvent = new DropEvent(dropState, this.dragEvent, 'dropdeactivate');
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deactivateEvent.dropzone = this.dropzone;
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deactivateEvent.target = this.target;
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this.dropzone.fire(deactivateEvent);
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} else {
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this.dropzone.fire(new DropEvent(dropState, this.dragEvent, 'dragleave'));
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}
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}
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preventDefault() {}
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stopPropagation() {
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this.propagationStopped = true;
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}
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stopImmediatePropagation() {
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this.immediatePropagationStopped = this.propagationStopped = true;
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}
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}
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export default DropEvent;
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//# sourceMappingURL=DropEvent.js.map
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