1 files changed, 128 insertions, 0 deletions
diff --git a/src/client/views/collections/collectionSchema/CollectionSchemaMovableColumn.tsx b/src/client/views/collections/collectionSchema/CollectionSchemaMovableColumn.tsx
new file mode 100644
index 000000000..456c38c68
--- /dev/null
+++ b/src/client/views/collections/collectionSchema/CollectionSchemaMovableColumn.tsx
@@ -0,0 +1,128 @@
+import React = require("react");
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { action } from "mobx";
+import { ReactTableDefaults, RowInfo, TableCellRenderer } from "react-table";
+import { Doc } from "../../../../fields/Doc";
+import { SchemaHeaderField } from "../../../../fields/SchemaHeaderField";
+import { Cast, FieldValue, StrCast } from "../../../../fields/Types";
+import { DocumentManager } from "../../../util/DocumentManager";
+import { DragManager, dropActionType, SetupDrag } from "../../../util/DragManager";
+import { SnappingManager } from "../../../util/SnappingManager";
+import { Transform } from "../../../util/Transform";
+import { undoBatch } from "../../../util/UndoManager";
+import { ContextMenu } from "../../ContextMenu";
+import "./CollectionSchemaView.scss";
+
+export interface MovableColumnProps {
+    columnRenderer: TableCellRenderer;
+    columnValue: SchemaHeaderField;
+    allColumns: SchemaHeaderField[];
+    reorderColumns: (toMove: SchemaHeaderField, relativeTo: SchemaHeaderField, before: boolean, columns: SchemaHeaderField[]) => void;
+    ScreenToLocalTransform: () => Transform;
+}
+export class MovableColumn extends React.Component<MovableColumnProps> {
+    private _header?: React.RefObject<HTMLDivElement> = React.createRef();
+    private _colDropDisposer?: DragManager.DragDropDisposer;
+    private _startDragPosition: { x: number, y: number } = { x: 0, y: 0 };
+    private _sensitivity: number = 16;
+    private _dragRef: React.RefObject<HTMLDivElement> = React.createRef();
+
+    onPointerEnter = (e: React.PointerEvent): void => {
+        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 => {
+        const x = this.props.ScreenToLocalTransform().transformPoint(e.clientX, e.clientY);
+        const rect = this._header!.current!.getBoundingClientRect();
+        const bounds = this.props.ScreenToLocalTransform().transformPoint(rect.left + ((rect.right - rect.left) / 2), rect.top);
+        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);
+        const x = this.props.ScreenToLocalTransform().transformPoint(de.x, de.y);
+        const rect = this._header!.current!.getBoundingClientRect();
+        const bounds = this.props.ScreenToLocalTransform().transformPoint(rect.left + ((rect.right - rect.left) / 2), rect.top);
+        const before = x[0] < bounds[0];
+        const colDragData = de.complete.columnDragData;
+        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 (e.buttons === 1) {
+            const [dx, dy] = this.props.ScreenToLocalTransform().transformDirection(e.clientX - this._startDragPosition.x, e.clientY - this._startDragPosition.y);
+            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 (!(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>
+        );
+    }
+}