Migrate Query Source to React: resizable areas (v2)

client/app/assets/less/redash/query.less

@@ -269,6 +269,20 @@ a.label-tag {
   display: flex;
   width: 100vw;
 
+  .resizable-component.react-resizable {
+    .react-resizable-handle-horizontal {
+      border-right: 1px solid #efefef;
+    }
+
+    .react-resizable-handle-vertical {
+      border-bottom: 1px solid #efefef;
+    }
+  }
+
+  .query-metadata-new.query-metadata-horizontal {
+    border-bottom: 1px solid #efefef;
+  }
+
   .tile,
   .tiled {
     box-shadow: none;
@@ -330,10 +344,6 @@ a.label-tag {
       }
     }
   }
-  main {
-    display: flex;
-    height: 100%;
-  }
   .content {
     background: #fff;
     flex-grow: 1;
@@ -344,10 +354,6 @@ a.label-tag {
     padding: 0;
     overflow-x: hidden;
 
-    .editor {
-      border-bottom: 1px solid #efefef;
-    }
-
     .pivot-table-visualization-container > table,
     .visualization-renderer > .visualization-renderer-wrapper {
       overflow: visible;
@@ -359,7 +365,6 @@ a.label-tag {
   }
   .row {
     background: #fff;
-    z-index: 9;
     min-height: 50px;
 
     &.resizable {
@@ -372,6 +377,10 @@ a.label-tag {
       justify-content: space-around;
       align-content: space-around;
       overflow: hidden;
+
+      min-height: 10px;
+      max-height: 70vh;
+      flex: 0 0 300px;
     }
 
     .row {

client/app/components/Resizable/index.jsx

@@ -0,0 +1,155 @@
+import d3 from "d3";
+import React, { useRef, useMemo, useCallback, useState, useEffect } from "react";
+import PropTypes from "prop-types";
+import { Resizable as ReactResizable } from "react-resizable";
+import { KeyboardShortcuts } from "@/services/keyboard-shortcuts";
+
+import "./index.less";
+
+export default function Resizable({ toggleShortcut, direction, sizeAttribute, children }) {
+  const [size, setSize] = useState(0);
+  const elementRef = useRef();
+  const wasUsingTouchEvents = useRef(false);
+  const wasResizedRef = useRef(false);
+
+  const sizeProp = direction === "horizontal" ? "width" : "height";
+  sizeAttribute = sizeAttribute || sizeProp;
+
+  const getElementSize = useCallback(() => {
+    if (!elementRef.current) {
+      return 0;
+    }
+    return Math.floor(elementRef.current.getBoundingClientRect()[sizeProp]);
+  }, [sizeProp]);
+
+  const savedSize = useRef(null);
+  const toggle = useCallback(() => {
+    if (!elementRef.current) {
+      return;
+    }
+
+    const element = d3.select(elementRef.current);
+    let targetSize;
+    if (savedSize.current === null) {
+      targetSize = "0px";
+      savedSize.current = `${getElementSize()}px`;
+    } else {
+      targetSize = savedSize.current;
+      savedSize.current = null;
+    }
+
+    element
+      .style(sizeAttribute, savedSize.current || "0px")
+      .transition()
+      .duration(200)
+      .ease("swing")
+      .style(sizeAttribute, targetSize);
+  }, [getElementSize, sizeAttribute]);
+
+  const resizeHandle = useMemo(
+    () => (
+      <span
+        className={`react-resizable-handle react-resizable-handle-${direction}`}
+        onClick={() => {
+          // On desktops resize uses `mousedown`/`mousemove`/`mouseup` events, and there is a conflict
+          // with this `click` handler: after user releases mouse - this handler will be executed.
+          // So we use `wasResized` flag to check if there was actual resize or user just pressed and released
+          // left mouse button (see also resize event handlers where ths flag is set).
+          // On mobile devices `touchstart`/`touchend` events wll be used, so it's safe to just execute this handler.
+          // To detect which set of events was actually used during particular resize operation, we pass
+          // `onMouseDown` handler to draggable core and check event type there (see also that handler's code).
+          if (wasUsingTouchEvents.current || !wasResizedRef.current) {
+            toggle();
+          }
+          wasUsingTouchEvents.current = false;
+          wasResizedRef.current = false;
+        }}
+      />
+    ),
+    [direction, toggle]
+  );
+
+  useEffect(() => {
+    if (toggleShortcut) {
+      const shortcuts = {
+        [toggleShortcut]: toggle,
+      };
+
+      KeyboardShortcuts.bind(shortcuts);
+      return () => {
+        KeyboardShortcuts.unbind(shortcuts);
+      };
+    }
+  }, [toggleShortcut, toggle]);
+
+  const resizeEventHandlers = useMemo(
+    () => ({
+      onResizeStart: () => {
+        // use element's size as initial value (it will also check constraints set in CSS)
+        setSize(getElementSize());
+      },
+      onResize: (unused, data) => {
+        // update element directly for better UI responsiveness
+        d3.select(elementRef.current).style(sizeAttribute, `${data.size[sizeProp]}px`);
+        setSize(data.size[sizeProp]);
+        wasResizedRef.current = true;
+      },
+      onResizeStop: () => {
+        if (wasResizedRef.current) {
+          savedSize.current = null;
+        }
+      },
+    }),
+    [sizeProp, getElementSize, sizeAttribute]
+  );
+
+  const draggableCoreOptions = useMemo(
+    () => ({
+      onMouseDown: e => {
+        // In some cases this handler is executed twice during the same resize operation - first time
+        // with `touchstart` event and second time with `mousedown` (probably emulated by browser).
+        // Therefore we set the flag only when we receive `touchstart` because in ths case it's definitely
+        // mobile browser (desktop browsers will also send `mousedown` but never `touchstart`).
+        if (e.type === "touchstart") {
+          wasUsingTouchEvents.current = true;
+        }
+      },
+    }),
+    []
+  );
+
+  if (!children) {
+    return null;
+  }
+
+  children = React.createElement(children.type, { ...children.props, ref: elementRef });
+
+  return (
+    <ReactResizable
+      className="resizable-component"
+      axis={direction === "horizontal" ? "x" : "y"}
+      resizeHandles={[direction === "horizontal" ? "e" : "s"]}
+      handle={resizeHandle}
+      width={direction === "horizontal" ? size : 0}
+      height={direction === "vertical" ? size : 0}
+      minConstraints={[0, 0]}
+      {...resizeEventHandlers}
+      draggableOpts={draggableCoreOptions}>
+      {children}
+    </ReactResizable>
+  );
+}
+
+Resizable.propTypes = {
+  direction: PropTypes.oneOf(["horizontal", "vertical"]),
+  sizeAttribute: PropTypes.string,
+  toggleShortcut: PropTypes.string,
+  children: PropTypes.element,
+};
+
+Resizable.defaultProps = {
+  direction: "horizontal",
+  sizeAttribute: null, // "width"/"height" - depending on `direction`
+  toggleShortcut: null,
+  children: null,
+};

client/app/components/Resizable/index.less

@@ -0,0 +1,57 @@
+@import (reference, less) "~@/assets/less/inc/variables.less";
+
+.resizable-component.react-resizable {
+  position: relative;
+
+  .react-resizable-handle {
+    position: absolute;
+    background: #fff;
+    margin: 0;
+    padding: 0;
+
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+    &:hover,
+    &:active {
+      background: mix(@redash-gray, #fff, 6%);
+    }
+
+    &.react-resizable-handle-horizontal {
+      cursor: col-resize;
+      width: 10px;
+      height: auto;
+      right: 0;
+      top: 0;
+      bottom: 0;
+
+      &:before {
+        content: "";
+        display: inline-block;
+        width: 3px;
+        height: 25px;
+        border-left: 1px solid #ccc;
+        border-right: 1px solid #ccc;
+      }
+    }
+
+    &.react-resizable-handle-vertical {
+      cursor: row-resize;
+      width: auto;
+      height: 10px;
+      left: 0;
+      right: 0;
+      bottom: 0;
+
+      &:before {
+        content: "";
+        display: inline-block;
+        width: 25px;
+        height: 3px;
+        border-top: 1px solid #ccc;
+        border-bottom: 1px solid #ccc;
+      }
+    }
+  }
+}

client/app/components/dashboards/DashboardGrid.jsx

@@ -9,6 +9,7 @@ import cfg from "@/config/dashboard-grid-options";
 import AutoHeightController from "./AutoHeightController";
 import { WidgetTypeEnum } from "@/services/widget";
 
+import "react-resizable/css/styles.css";
 import "react-grid-layout/css/styles.css";
 import "./dashboard-grid.less";
 

client/app/components/dashboards/dashboard-grid.less

@@ -36,7 +36,8 @@
 
   &.editing-mode {
     /* Y axis lines */
-    background: linear-gradient(to right, transparent, transparent 1px, #F6F8F9 1px, #F6F8F9), linear-gradient(to bottom, #B3BABF, #B3BABF 1px, transparent 1px, transparent);
+    background: linear-gradient(to right, transparent, transparent 1px, #f6f8f9 1px, #f6f8f9),
+      linear-gradient(to bottom, #b3babf, #b3babf 1px, transparent 1px, transparent);
     background-size: 5px 50px;
     background-position-y: -8px;
 
@@ -48,7 +49,8 @@
       left: 0;
       bottom: 85px;
       right: 15px;
-      background: linear-gradient(to bottom, transparent, transparent 2px, #F6F8F9 2px, #F6F8F9 5px), linear-gradient(to left, #B3BABF, #B3BABF 1px, transparent 1px, transparent);
+      background: linear-gradient(to bottom, transparent, transparent 2px, #f6f8f9 2px, #f6f8f9 5px),
+        linear-gradient(to left, #b3babf, #b3babf 1px, transparent 1px, transparent);
       background-size: calc((100vw - 15px) / 6) 5px;
       background-position: -7px 1px;
     }
@@ -123,11 +125,10 @@
 
 // react-grid-layout overrides
 .react-grid-item {
-
   // placeholder color
   &.react-grid-placeholder {
     border-radius: 3px;
-    background-color: #E0E6EB;
+    background-color: #e0e6eb;
     opacity: 0.5;
   }
 
@@ -142,10 +143,13 @@
   }
 
   // resize handle size
-  & > .react-resizable-handle::after {
-    width: 11px;
-    height: 11px;
-    right: 5px;
-    bottom: 5px;
+  & > .react-resizable-handle {
+    background: none;
+    &:after {
+      width: 11px;
+      height: 11px;
+      right: 5px;
+      bottom: 5px;
+    }
   }
 }