mirror of https://github.com/lidarr/Lidarr
189 lines
4.8 KiB
JavaScript
189 lines
4.8 KiB
JavaScript
import classNames from 'classnames';
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import PropTypes from 'prop-types';
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import React, { Component } from 'react';
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import { DragSource, DropTarget } from 'react-dnd';
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import { findDOMNode } from 'react-dom';
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import { DOWNLOAD_PROTOCOL_ITEM } from 'Helpers/dragTypes';
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import DownloadProtocolItem from './DownloadProtocolItem';
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import styles from './DownloadProtocolItemDragSource.css';
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const downloadProtocolItemDragSource = {
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beginDrag(props) {
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const {
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index,
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protocol,
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name,
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allowed,
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delay
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} = props;
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return {
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index,
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protocol,
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name,
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allowed,
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delay
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};
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},
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endDrag(props, monitor, component) {
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props.onDownloadProtocolItemDragEnd(monitor.didDrop());
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}
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};
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const downloadProtocolItemDropTarget = {
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hover(props, monitor, component) {
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const {
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index: dragIndex
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} = monitor.getItem();
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const dropIndex = props.index;
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// Use childNodeIndex to select the correct node to get the middle of so
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// we don't bounce between above and below causing rapid setState calls.
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const childNodeIndex = component.props.isOverCurrent && component.props.isDraggingUp ? 1 :0;
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const componentDOMNode = findDOMNode(component).children[childNodeIndex];
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const hoverBoundingRect = componentDOMNode.getBoundingClientRect();
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const hoverMiddleY = (hoverBoundingRect.bottom - hoverBoundingRect.top) / 2;
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const clientOffset = monitor.getClientOffset();
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const hoverClientY = clientOffset.y - hoverBoundingRect.top;
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// If we're hovering over a child don't trigger on the parent
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if (!monitor.isOver({ shallow: true })) {
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return;
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}
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// Don't show targets for dropping on self
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if (dragIndex === dropIndex) {
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return;
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}
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let dropPosition = null;
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// Determine drop position based on position over target
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if (hoverClientY > hoverMiddleY) {
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dropPosition = 'below';
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} else if (hoverClientY < hoverMiddleY) {
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dropPosition = 'above';
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} else {
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return;
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}
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props.onDownloadProtocolItemDragMove({
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dragIndex,
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dropIndex,
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dropPosition
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});
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}
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};
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function collectDragSource(connect, monitor) {
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return {
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connectDragSource: connect.dragSource(),
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isDragging: monitor.isDragging()
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};
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}
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function collectDropTarget(connect, monitor) {
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return {
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connectDropTarget: connect.dropTarget(),
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isOver: monitor.isOver(),
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isOverCurrent: monitor.isOver({ shallow: true })
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};
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}
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class DownloadProtocolItemDragSource extends Component {
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//
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// Render
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render() {
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const {
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protocol,
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name,
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allowed,
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delay,
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index,
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isDragging,
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isDraggingUp,
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isDraggingDown,
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isOverCurrent,
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connectDragSource,
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connectDropTarget,
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onDownloadProtocolItemFieldChange
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} = this.props;
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const isBefore = !isDragging && isDraggingUp && isOverCurrent;
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const isAfter = !isDragging && isDraggingDown && isOverCurrent;
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return connectDropTarget(
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<div
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className={classNames(
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styles.downloadProtocolItemDragSource,
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isBefore && styles.isDraggingUp,
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isAfter && styles.isDraggingDown
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)}
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>
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{
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isBefore &&
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<div
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className={classNames(
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styles.downloadProtocolItemPlaceholder,
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styles.downloadProtocolItemPlaceholderBefore
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)}
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/>
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}
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<DownloadProtocolItem
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protocol={protocol}
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name={name}
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allowed={allowed}
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delay={delay}
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index={index}
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isDragging={isDragging}
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isOverCurrent={isOverCurrent}
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connectDragSource={connectDragSource}
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onDownloadProtocolItemFieldChange={onDownloadProtocolItemFieldChange}
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/>
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{
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isAfter &&
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<div
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className={classNames(
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styles.downloadProtocolItemPlaceholder,
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styles.downloadProtocolItemPlaceholderAfter
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)}
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/>
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}
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</div>
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);
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}
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}
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DownloadProtocolItemDragSource.propTypes = {
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protocol: PropTypes.string.isRequired,
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name: PropTypes.string.isRequired,
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allowed: PropTypes.bool.isRequired,
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delay: PropTypes.number.isRequired,
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index: PropTypes.number.isRequired,
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isDragging: PropTypes.bool,
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isDraggingUp: PropTypes.bool,
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isDraggingDown: PropTypes.bool,
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isOverCurrent: PropTypes.bool,
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connectDragSource: PropTypes.func,
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connectDropTarget: PropTypes.func,
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onDownloadProtocolItemFieldChange: PropTypes.func.isRequired,
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onDownloadProtocolItemDragMove: PropTypes.func.isRequired,
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onDownloadProtocolItemDragEnd: PropTypes.func.isRequired
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};
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export default DropTarget(
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DOWNLOAD_PROTOCOL_ITEM,
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downloadProtocolItemDropTarget,
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collectDropTarget
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)(DragSource(
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DOWNLOAD_PROTOCOL_ITEM,
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downloadProtocolItemDragSource,
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collectDragSource
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)(DownloadProtocolItemDragSource));
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