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Make components stateful for compatibility with react@16 / react-dnd. #73

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Merged
merged 1 commit into from
Mar 23, 2017
Merged

Make components stateful for compatibility with react@16 / react-dnd. #73

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244 changes: 124 additions & 120 deletions src/node-renderer-default.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import React, { PropTypes } from 'react';
import React, { Component, PropTypes } from 'react';
import { getIEVersion } from './utils/browser-utils';
import baseStyles from './node-renderer-default.scss';
import { isDescendant } from './utils/tree-data-utils';
Expand All @@ -15,139 +15,143 @@ if (getIEVersion < 10) {
};
}

const NodeRendererDefault = ({
scaffoldBlockPxWidth,
toggleChildrenVisibility,
connectDragPreview,
connectDragSource,
isDragging,
canDrop,
node,
draggedNode,
path,
treeIndex,
isSearchMatch,
isSearchFocus,
buttons,
className,
style = {},
didDrop,
isOver: _isOver, // Not needed, but preserved for other renderers
parentNode: _parentNode, // Needed for drag-and-drop utils
endDrag: _endDrag, // Needed for drag-and-drop utils
startDrag: _startDrag, // Needed for drag-and-drop utils
...otherProps,
}) => {
let handle;
if (typeof node.children === 'function' && node.expanded) {
// Show a loading symbol on the handle when the children are expanded
// and yet still defined by a function (a callback to fetch the children)
handle = (
<div className={styles.loadingHandle}>
<div className={styles.loadingCircle}>
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
</div>
</div>
);
} else {
// Show the handle used to initiate a drag-and-drop
handle = connectDragSource((
<div className={styles.moveHandle} />
), { dropEffect: 'copy' });
}
class NodeRendererDefault extends Component {
render() {
const {
scaffoldBlockPxWidth,
toggleChildrenVisibility,
connectDragPreview,
connectDragSource,
isDragging,
canDrop,
node,
draggedNode,
path,
treeIndex,
isSearchMatch,
isSearchFocus,
buttons,
className,
style = {},
didDrop,
isOver: _isOver, // Not needed, but preserved for other renderers
parentNode: _parentNode, // Needed for drag-and-drop utils
endDrag: _endDrag, // Needed for drag-and-drop utils
startDrag: _startDrag, // Needed for drag-and-drop utils
...otherProps,
} = this.props;

const isDraggedDescendant = draggedNode && isDescendant(draggedNode, node);
const isLandingPadActive = !didDrop && isDragging;
let handle;
if (typeof node.children === 'function' && node.expanded) {
// Show a loading symbol on the handle when the children are expanded
// and yet still defined by a function (a callback to fetch the children)
handle = (
<div className={styles.loadingHandle}>
<div className={styles.loadingCircle}>
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
<div className={styles.loadingCirclePoint} />
</div>
</div>
);
} else {
// Show the handle used to initiate a drag-and-drop
handle = connectDragSource((
<div className={styles.moveHandle} />
), { dropEffect: 'copy' });
}

return (
<div
style={{ height: '100%' }}
{...otherProps}
>
{toggleChildrenVisibility && node.children && node.children.length > 0 && (
<div>
<button
aria-label={node.expanded ? 'Collapse' : 'Expand'}
className={node.expanded ? styles.collapseButton : styles.expandButton}
style={{ left: -0.5 * scaffoldBlockPxWidth }}
onClick={() => toggleChildrenVisibility({node, path, treeIndex})}
/>
const isDraggedDescendant = draggedNode && isDescendant(draggedNode, node);
const isLandingPadActive = !didDrop && isDragging;

{node.expanded && !isDragging &&
<div
style={{ width: scaffoldBlockPxWidth }}
className={styles.lineChildren}
return (
<div
style={{ height: '100%' }}
{...otherProps}
>
{toggleChildrenVisibility && node.children && node.children.length > 0 && (
<div>
<button
aria-label={node.expanded ? 'Collapse' : 'Expand'}
className={node.expanded ? styles.collapseButton : styles.expandButton}
style={{ left: -0.5 * scaffoldBlockPxWidth }}
onClick={() => toggleChildrenVisibility({node, path, treeIndex})}
/>
}
</div>
)}

<div className={styles.rowWrapper}>
{/* Set the row preview to be used during drag and drop */}
{connectDragPreview(
<div
className={styles.row +
(isLandingPadActive ? ` ${styles.rowLandingPad}` : '') +
(isLandingPadActive && !canDrop ? ` ${styles.rowCancelPad}` : '') +
(isSearchMatch ? ` ${styles.rowSearchMatch}` : '') +
(isSearchFocus ? ` ${styles.rowSearchFocus}` : '') +
(className ? ` ${className}` : '')
{node.expanded && !isDragging &&
<div
style={{ width: scaffoldBlockPxWidth }}
className={styles.lineChildren}
/>
}
style={{
opacity: isDraggedDescendant ? 0.5 : 1,
...style,
}}
>
{handle}
</div>
)}

<div className={styles.rowContents}>
<div className={styles.rowLabel}>
<span
className={styles.rowTitle +
(node.subtitle ? ` ${styles.rowTitleWithSubtitle}` : '')
}
>
{typeof node.title === 'function' ?
node.title({node, path, treeIndex }) :
node.title
}
</span>
<div className={styles.rowWrapper}>
{/* Set the row preview to be used during drag and drop */}
{connectDragPreview(
<div
className={styles.row +
(isLandingPadActive ? ` ${styles.rowLandingPad}` : '') +
(isLandingPadActive && !canDrop ? ` ${styles.rowCancelPad}` : '') +
(isSearchMatch ? ` ${styles.rowSearchMatch}` : '') +
(isSearchFocus ? ` ${styles.rowSearchFocus}` : '') +
(className ? ` ${className}` : '')
}
style={{
opacity: isDraggedDescendant ? 0.5 : 1,
...style,
}}
>
{handle}

{node.subtitle &&
<span className={styles.rowSubtitle}>
{typeof node.subtitle === 'function' ?
node.subtitle({node, path, treeIndex }) :
node.subtitle
<div className={styles.rowContents}>
<div className={styles.rowLabel}>
<span
className={styles.rowTitle +
(node.subtitle ? ` ${styles.rowTitleWithSubtitle}` : '')
}
>
{typeof node.title === 'function' ?
node.title({node, path, treeIndex }) :
node.title
}
</span>
}
</div>

<div className={styles.rowToolbar}>
{buttons && buttons.map((btn, index) => (
<div key={index} className={styles.toolbarButton}>
{btn}
</div>
))}
{node.subtitle &&
<span className={styles.rowSubtitle}>
{typeof node.subtitle === 'function' ?
node.subtitle({node, path, treeIndex }) :
node.subtitle
}
</span>
}
</div>

<div className={styles.rowToolbar}>
{buttons && buttons.map((btn, index) => (
<div key={index} className={styles.toolbarButton}>
{btn}
</div>
))}
</div>
</div>
</div>
</div>
)}
)}
</div>
</div>
</div>
);
};
);
}
}

NodeRendererDefault.propTypes = {
node: PropTypes.object.isRequired,
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