feat: Add column freezing in data browser

README.md

@@ -70,6 +70,7 @@ Parse Dashboard is a standalone dashboard for managing your [Parse Server](https
       - [Audio Item](#audio-item)
       - [Button Item](#button-item)
       - [Panel Item](#panel-item)
+    - [Freeze Columns](#freeze-columns)
   - [Browse as User](#browse-as-user)
   - [Change Pointer Key](#change-pointer-key)
     - [Limitations](#limitations)
@@ -1154,6 +1155,12 @@ Example:
 }
 ```
 
+### Freeze Columns
+
+▶️ *Core > Browser > Freeze column*
+
+Right-click on a table column header to freeze columns from the left up to the clicked column in the data browser. When scrolling horizontally, the frozen columns remain visible while the other columns scroll underneath.
+
 ## Browse as User
 
 ▶️ *Core > Browser > Browse*

src/components/BrowserCell/BrowserCell.react.js

@@ -632,11 +632,20 @@ export default class BrowserCell extends Component {
       classes.push(styles.selected);
     }
 
+    const style = { width };
+    if (this.props.stickyLeft !== undefined) {
+      style.position = 'sticky';
+      style.left = this.props.stickyLeft;
+      style.zIndex = 1;
+      style.background = this.props.rowBackground;
+      style.borderBottom = '1px solid #e3e3ea';
+    }
+
     return (
       <span
         ref={this.cellRef}
         className={classes.join(' ')}
-        style={{ width }}
+        style={style}
         onClick={e => {
           if (e.metaKey === true && type === 'Pointer') {
             onPointerCmdClick(value);

src/components/BrowserRow/BrowserRow.react.js

@@ -51,6 +51,8 @@ export default class BrowserRow extends Component {
       onMouseUpRowCheckBox,
       onMouseOverRowCheckBox,
       onMouseOverRow,
+      stickyLefts,
+      freezeIndex,
     } = this.props;
     const attributes = obj.attributes;
     let requiredCols = [];
@@ -69,12 +71,25 @@ export default class BrowserRow extends Component {
     } else if (obj.className === '_User' && obj.get('authData') !== undefined) {
       requiredCols = ['authData'];
     }
+    const rowBackground = row % 2 ? '#F4F5F7' : '#fdfafb';
+    const rowStyle = { minWidth: rowWidth };
     return (
-      <div className={styles.tableRow} style={{ minWidth: rowWidth }} onMouseOver={() => onMouseOverRow(obj.id)}>
+      <div className={styles.tableRow} style={rowStyle} onMouseOver={() => onMouseOverRow(obj.id)}>
         <span
           className={styles.checkCell}
           onMouseUp={onMouseUpRowCheckBox}
           onMouseOver={() => onMouseOverRowCheckBox(obj.id)}
+          style={
+            freezeIndex >= 0
+              ? {
+                position: 'sticky',
+                left: 0,
+                zIndex: 1,
+                background: rowBackground,
+                borderBottom: '1px solid #e3e3ea',
+              }
+              : {}
+          }
         >
           <input
             type="checkbox"
@@ -133,6 +148,8 @@ export default class BrowserRow extends Component {
               type={type}
               readonly={isUnique || readOnlyFields.indexOf(name) > -1}
               width={width}
+              stickyLeft={freezeIndex >= j ? stickyLefts[j] : undefined}
+              rowBackground={rowBackground}
               current={currentCol === j}
               onSelect={setCurrent}
               onEditChange={setEditing}

src/components/DataBrowserHeaderBar/DataBrowserHeaderBar.react.js

@@ -13,6 +13,16 @@ import styles from 'components/DataBrowserHeaderBar/DataBrowserHeaderBar.scss';
 import { DndProvider } from 'react-dnd';
 
 export default class DataBrowserHeaderBar extends React.Component {
+  handleContextMenu = (index, event) => {
+    event.preventDefault();
+    const { freezeIndex, freezeColumns, unfreezeColumns, setContextMenu } = this.props;
+    const items =
+      freezeIndex >= 0 && index <= freezeIndex
+        ? [{ text: 'Unfreeze column', callback: () => unfreezeColumns() }]
+        : [{ text: 'Freeze column', callback: () => freezeColumns(index) }];
+    setContextMenu(event.pageX, event.pageY, items);
+  };
+
   render() {
     const {
       headers,
@@ -26,9 +36,16 @@ export default class DataBrowserHeaderBar extends React.Component {
       isDataLoaded,
       setSelectedObjectId,
       setCurrent,
+      stickyLefts,
+      handleLefts,
+      freezeIndex,
     } = this.props;
     const elements = [
-      <div key="check" className={[styles.wrap, styles.check].join(' ')}>
+      <div
+        key="check"
+        className={[styles.wrap, styles.check].join(' ')}
+        style={freezeIndex >= 0 ? { position: 'sticky', left: 0, zIndex: 11 } : {}}
+      >
         {readonly ? null : (
           <input type="checkbox" checked={selected} onChange={e => selectAll(e.target.checked)} />
         )}
@@ -40,6 +57,11 @@ export default class DataBrowserHeaderBar extends React.Component {
         return;
       }
       const wrapStyle = { width };
+      if (freezeIndex >= 0 && typeof stickyLefts[i] !== 'undefined' && i <= freezeIndex) {
+        wrapStyle.position = 'sticky';
+        wrapStyle.left = stickyLefts[i];
+        wrapStyle.zIndex = 11;
+      }
       if (i % 2) {
         wrapStyle.background = '#726F85';
       } else {
@@ -63,7 +85,13 @@ export default class DataBrowserHeaderBar extends React.Component {
       }
 
       elements.push(
-        <div onClick={onClick} key={'header' + i} className={className} style={wrapStyle}>
+        <div
+          onClick={onClick}
+          onContextMenu={e => this.handleContextMenu(i, e)}
+          key={'header' + i}
+          className={className}
+          style={wrapStyle}
+        >
           <DataBrowserHeader
             name={name}
             type={type}
@@ -74,8 +102,25 @@ export default class DataBrowserHeaderBar extends React.Component {
           />
         </div>
       );
+      const handleStyle = {};
+      if (freezeIndex >= 0 && typeof handleLefts[i] !== 'undefined' && i <= freezeIndex) {
+        handleStyle.position = 'sticky';
+        handleStyle.left = handleLefts[i];
+        handleStyle.zIndex = 11;
+        if (i === freezeIndex) {
+          handleStyle.marginRight = 0;
+          handleStyle.width = 4;
+        } else {
+          handleStyle.background = wrapStyle.background;
+        }
+      }
       elements.push(
-        <DragHandle key={'handle' + i} className={styles.handle} onDrag={onResize.bind(null, i)} />
+        <DragHandle
+          key={'handle' + i}
+          className={styles.handle}
+          onDrag={onResize.bind(null, i)}
+          style={handleStyle}
+        />
       );
     });
 

src/dashboard/Data/Browser/BrowserTable.react.js

@@ -118,6 +118,22 @@ export default class BrowserTable extends React.Component {
       preventSort,
       required,
     }));
+
+    const stickyLefts = [];
+    const handleLefts = [];
+    if (
+      typeof this.props.freezeIndex === 'number' &&
+      this.props.freezeIndex >= 0
+    ) {
+      let left = 30;
+      headers.forEach((h, i) => {
+        stickyLefts[i] = left;
+        handleLefts[i] = left + h.width;
+        if (h.visible) {
+          left += h.width;
+        }
+      });
+    }
     let editor = null;
     let table = <div ref={this.tableRef} />;
     if (this.props.data) {
@@ -170,6 +186,8 @@ export default class BrowserTable extends React.Component {
                     callCloudFunction={this.props.callCloudFunction}
                     isPanelVisible={this.props.isPanelVisible}
                     setContextMenu={this.props.setContextMenu}
+                    stickyLefts={stickyLefts}
+                    freezeIndex={this.props.freezeIndex}
                     onEditSelectedRow={this.props.onEditSelectedRow}
                     markRequiredFieldRow={this.props.markRequiredFieldRow}
                     showNote={this.props.showNote}
@@ -251,6 +269,8 @@ export default class BrowserTable extends React.Component {
               callCloudFunction={this.props.callCloudFunction}
               isPanelVisible={this.props.isPanelVisible}
               setContextMenu={this.props.setContextMenu}
+              stickyLefts={stickyLefts}
+              freezeIndex={this.props.freezeIndex}
               onEditSelectedRow={this.props.onEditSelectedRow}
               markRequiredFieldRow={this.props.markRequiredFieldRow}
               showNote={this.props.showNote}
@@ -342,6 +362,8 @@ export default class BrowserTable extends React.Component {
             setSelectedObjectId={this.props.setSelectedObjectId}
             isPanelVisible={this.props.isPanelVisible}
             setContextMenu={this.props.setContextMenu}
+            stickyLefts={stickyLefts}
+            freezeIndex={this.props.freezeIndex}
             onEditSelectedRow={this.props.onEditSelectedRow}
             showNote={this.props.showNote}
             onRefresh={this.props.onRefresh}
@@ -554,6 +576,11 @@ export default class BrowserTable extends React.Component {
             this.props.data.forEach(({ id }) => this.props.selectRow(id, checked))
           }
           headers={headers}
+          stickyLefts={stickyLefts}
+          handleLefts={handleLefts}
+          freezeIndex={this.props.freezeIndex}
+          freezeColumns={this.props.freezeColumns}
+          unfreezeColumns={this.props.unfreezeColumns}
           updateOrdering={this.props.updateOrdering}
           readonly={!!this.props.relation || !!this.props.isUnique}
           handleDragDrop={this.props.handleHeaderDragDrop}
@@ -563,6 +590,7 @@ export default class BrowserTable extends React.Component {
           isDataLoaded={!!this.props.data}
           setSelectedObjectId={this.props.setSelectedObjectId}
           setCurrent={this.props.setCurrent}
+          setContextMenu={this.props.setContextMenu}
         />
         {table}
       </div>

src/dashboard/Data/Browser/DataBrowser.react.js

@@ -49,6 +49,7 @@ export default class DataBrowser extends React.Component {
       isResizing: false,
       maxWidth: window.innerWidth - 300,
       showAggregatedData: true,
+      frozenColumnIndex: -1,
     };
 
     this.handleResizeDiv = this.handleResizeDiv.bind(this);
@@ -66,6 +67,8 @@ export default class DataBrowser extends React.Component {
     this.setCopyableValue = this.setCopyableValue.bind(this);
     this.setSelectedObjectId = this.setSelectedObjectId.bind(this);
     this.setContextMenu = this.setContextMenu.bind(this);
+    this.freezeColumns = this.freezeColumns.bind(this);
+    this.unfreezeColumns = this.unfreezeColumns.bind(this);
     this.handleCellClick = this.handleCellClick.bind(this);
     this.saveOrderTimeout = null;
   }
@@ -88,6 +91,7 @@ export default class DataBrowser extends React.Component {
         selectedCells: { list: new Set(), rowStart: -1, rowEnd: -1, colStart: -1, colEnd: -1 },
         firstSelectedCell: null,
         selectedData: [],
+        frozenColumnIndex: -1,
       });
     } else if (
       Object.keys(props.columns).length !== Object.keys(this.props.columns).length ||
@@ -100,7 +104,7 @@ export default class DataBrowser extends React.Component {
         props.className,
         columnPreferences[props.className]
       );
-      this.setState({ order });
+      this.setState({ order, frozenColumnIndex: -1 });
     }
     if (props && props.className) {
       if (
@@ -539,6 +543,14 @@ export default class DataBrowser extends React.Component {
     this.setState({ contextMenuX, contextMenuY, contextMenuItems });
   }
 
+  freezeColumns(index) {
+    this.setState({ frozenColumnIndex: index });
+  }
+
+  unfreezeColumns() {
+    this.setState({ frozenColumnIndex: -1 });
+  }
+
   handleColumnsOrder(order, shouldReload) {
     this.setState({ order: [...order] }, () => {
       this.updatePreferences(order, shouldReload);
@@ -643,6 +655,9 @@ export default class DataBrowser extends React.Component {
             setSelectedObjectId={this.setSelectedObjectId}
             callCloudFunction={this.props.callCloudFunction}
             setContextMenu={this.setContextMenu}
+            freezeIndex={this.state.frozenColumnIndex}
+            freezeColumns={this.freezeColumns}
+            unfreezeColumns={this.unfreezeColumns}
             onFilterChange={this.props.onFilterChange}
             onFilterSave={this.props.onFilterSave}
             selectedCells={this.state.selectedCells}