1 files changed, 138 insertions, 0 deletions
diff --git a/src/client/views/collections/old_collectionSchema/OldCollectionSchemaMovableColumn.tsx b/src/client/views/collections/old_collectionSchema/OldCollectionSchemaMovableColumn.tsx
new file mode 100644
index 000000000..28d2e6ab1
--- /dev/null
+++ b/src/client/views/collections/old_collectionSchema/OldCollectionSchemaMovableColumn.tsx
@@ -0,0 +1,138 @@
+import React = require('react');
+import { action } from 'mobx';
+import { SchemaHeaderField } from '../../../../fields/SchemaHeaderField';
+import { DragManager } from '../../../util/DragManager';
+import { SnappingManager } from '../../../util/SnappingManager';
+import { Transform } from '../../../util/Transform';
+import './CollectionSchemaView.scss';
+
+export interface MovableColumnProps {
+    columnRenderer: React.ReactNode;
+    columnValue: SchemaHeaderField;
+    allColumns: SchemaHeaderField[];
+    reorderColumns: (toMove: SchemaHeaderField, relativeTo: SchemaHeaderField, before: boolean, columns: SchemaHeaderField[]) => void;
+    ScreenToLocalTransform: () => Transform;
+}
+export class MovableColumn extends React.Component<MovableColumnProps> {
+    // The header of the column
+    private _header?: React.RefObject<HTMLDivElement> = React.createRef();
+    // The container of the function that is responsible for moving the column over to a new plac
+    private _colDropDisposer?: DragManager.DragDropDisposer;
+    // initial column position
+    private _startDragPosition: { x: number; y: number } = { x: 0, y: 0 };
+    // sensitivity to being dragged, in pixels
+    private _sensitivity: number = 16;
+    // Column reference ID
+    private _dragRef: React.RefObject<HTMLDivElement> = React.createRef();
+
+    onPointerEnter = (e: React.PointerEvent): void => {
+        // if the column is left-clicked and it is being dragged
+        if (e.buttons === 1 && SnappingManager.GetIsDragging()) {
+            this._header!.current!.className = 'collectionSchema-col-wrapper';
+            document.addEventListener('pointermove', this.onDragMove, true);
+        }
+    };
+
+    onPointerLeave = (e: React.PointerEvent): void => {
+        this._header!.current!.className = 'collectionSchema-col-wrapper';
+        document.removeEventListener('pointermove', this.onDragMove, true);
+        !e.buttons && document.removeEventListener('pointermove', this.onPointerMove);
+    };
+
+    onDragMove = (e: PointerEvent): void => {
+        // only take into account the horizonal direction when a column is dragged
+        const x = this.props.ScreenToLocalTransform().transformPoint(e.clientX, e.clientY);
+        const rect = this._header!.current!.getBoundingClientRect();
+        // Now store the point at the top center of the column when it was in its original position
+        const bounds = this.props.ScreenToLocalTransform().transformPoint(rect.left + (rect.right - rect.left) / 2, rect.top);
+        // to be compared with its new horizontal position
+        const before = x[0] < bounds[0];
+        this._header!.current!.className = 'collectionSchema-col-wrapper';
+        if (before) this._header!.current!.className += ' col-before';
+        if (!before) this._header!.current!.className += ' col-after';
+        e.stopPropagation();
+    };
+
+    createColDropTarget = (ele: HTMLDivElement) => {
+        this._colDropDisposer?.();
+        if (ele) {
+            this._colDropDisposer = DragManager.MakeDropTarget(ele, this.colDrop.bind(this));
+        }
+    };
+
+    colDrop = (e: Event, de: DragManager.DropEvent) => {
+        document.removeEventListener('pointermove', this.onDragMove, true);
+        // we only care about whether the column is shifted to the side
+        const x = this.props.ScreenToLocalTransform().transformPoint(de.x, de.y);
+        // get the dimensions of the smallest rectangle that bounds the header
+        const rect = this._header!.current!.getBoundingClientRect();
+        const bounds = this.props.ScreenToLocalTransform().transformPoint(rect.left + (rect.right - rect.left) / 2, rect.top);
+        // get whether the column was dragged before or after where it is now
+        const before = x[0] < bounds[0];
+        const colDragData = de.complete.columnDragData;
+        // if there is colDragData, which happen when the drag is complete, reorder the columns according to the established variables
+        if (colDragData) {
+            e.stopPropagation();
+            this.props.reorderColumns(colDragData.colKey, this.props.columnValue, before, this.props.allColumns);
+            return true;
+        }
+        return false;
+    };
+
+    onPointerMove = (e: PointerEvent) => {
+        const onRowMove = (e: PointerEvent) => {
+            e.stopPropagation();
+            e.preventDefault();
+
+            document.removeEventListener('pointermove', onRowMove);
+            document.removeEventListener('pointerup', onRowUp);
+            const dragData = new DragManager.ColumnDragData(this.props.columnValue);
+            DragManager.StartColumnDrag(this._dragRef.current!, dragData, e.x, e.y);
+        };
+        const onRowUp = (): void => {
+            document.removeEventListener('pointermove', onRowMove);
+            document.removeEventListener('pointerup', onRowUp);
+        };
+        // if the left mouse button is the one being held
+        if (e.buttons === 1) {
+            const [dx, dy] = this.props.ScreenToLocalTransform().transformDirection(e.clientX - this._startDragPosition.x, e.clientY - this._startDragPosition.y);
+            // If the movemnt of the drag exceeds the sensitivity value
+            if (Math.abs(dx) + Math.abs(dy) > this._sensitivity) {
+                document.removeEventListener('pointermove', this.onPointerMove);
+                e.stopPropagation();
+
+                document.addEventListener('pointermove', onRowMove);
+                document.addEventListener('pointerup', onRowUp);
+            }
+        }
+    };
+
+    onPointerUp = (e: React.PointerEvent) => {
+        document.removeEventListener('pointermove', this.onPointerMove);
+    };
+
+    @action
+    onPointerDown = (e: React.PointerEvent, ref: React.RefObject<HTMLDivElement>) => {
+        this._dragRef = ref;
+        const [dx, dy] = this.props.ScreenToLocalTransform().transformDirection(e.clientX, e.clientY);
+        // If the cell thing dragged is not being edited
+        if (!(e.target as any)?.tagName.includes('INPUT')) {
+            this._startDragPosition = { x: dx, y: dy };
+            document.addEventListener('pointermove', this.onPointerMove);
+        }
+    };
+
+    render() {
+        const reference = React.createRef<HTMLDivElement>();
+
+        return (
+            <div className="collectionSchema-col" ref={this.createColDropTarget}>
+                <div className="collectionSchema-col-wrapper" ref={this._header} onPointerEnter={this.onPointerEnter} onPointerLeave={this.onPointerLeave}>
+                    <div className="col-dragger" ref={reference} onPointerDown={e => this.onPointerDown(e, reference)} onPointerUp={this.onPointerUp}>
+                        {this.props.columnRenderer}
+                    </div>
+                </div>
+            </div>
+        );
+    }
+}