cleanup Draggable into ResizingAnchor

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/components/dock/dock.scss

@@ -14,10 +14,6 @@
       left: 0;
       bottom: 0;
       z-index: 100;
-
-      > .resizer {
-        display: none;
-      }
     }
   }
 
@@ -65,24 +61,7 @@
     }
   }
 
-  .resizer {
-    $height: 12px;
-
-    position: absolute;
-    top: -$height / 2;
-    left: 0;
-    right: 0;
-    bottom: 100%;
-    height: $height;
-    cursor: row-resize;
-    z-index: 10;
-
-    &.disabled {
-      pointer-events: none;
-    }
-  }
-
   .AceEditor {
     border: none;
   }
-}
+}

src/renderer/components/dock/dock.store.ts

@@ -28,7 +28,11 @@ export class DockStore {
 
   protected storage = createStorage("dock", {}); // keep settings in localStorage
   public defaultTabId = this.initialTabs[0].id;
-  public minHeight = 100;
+  private _minHeight = 100;
+
+  set minHeight(val: number) {
+    this._minHeight = val
+  }
 
   @observable isOpen = false;
   @observable fullSize = false;
@@ -176,8 +180,8 @@ export class DockStore {
   }
 
   @action
-  setHeight(height: number) {
-    this.height = Math.max(0, Math.min(height, this.maxHeight));
+  setHeight(height?: number) {
+    this.height = Math.max(0, Math.min(height || this._minHeight, this.maxHeight));
   }
 
   @action

src/renderer/components/dock/dock.tsx

@@ -4,7 +4,7 @@ import React, { Fragment } from "react";
 import { observer } from "mobx-react";
 import { Trans } from "@lingui/macro";
 import { autobind, cssNames, prevDefault } from "../../utils";
-import { Draggable, DraggableState } from "../draggable";
+import { ResizingAnchor, ResizeEventData, ResizeDirection, ResizeSide } from "../resizing-anchor";
 import { Icon } from "../icon";
 import { Tabs } from "../tabs/tabs";
 import { MenuItem } from "../menu";
@@ -30,16 +30,17 @@ interface Props {
 @observer
 export class Dock extends React.Component<Props> {
   onResizeStart = () => {
-    const { isOpen, open, setHeight, minHeight } = dockStore;
+    const { isOpen, open, setHeight } = dockStore;
     if (!isOpen) {
       open();
-      setHeight(minHeight);
+      setHeight();
     }
   }
 
-  onResize = ({ offsetY }: DraggableState) => {
+  onResize = ({ movementY }: ResizeEventData) => {
     const { isOpen, close, height, setHeight, minHeight, defaultHeight } = dockStore;
-    const newHeight = height + offsetY;
+    console.log(height, movementY)
+    const newHeight = height + movementY;
     if (height > newHeight && newHeight < minHeight) {
       setHeight(defaultHeight);
       close();
@@ -71,13 +72,13 @@ export class Dock extends React.Component<Props> {
   @autobind()
   renderTab(tab: IDockTab) {
     if (isTerminalTab(tab)) {
-      return <TerminalTab value={tab}/>
+      return <TerminalTab value={tab} />
     }
     if (isCreateResourceTab(tab) || isEditResourceTab(tab)) {
-      return <DockTab value={tab} icon="edit"/>
+      return <DockTab value={tab} icon="edit" />
     }
     if (isInstallChartTab(tab) || isUpgradeChartTab(tab)) {
-      return <DockTab value={tab} icon={<Icon svg="install"/>}/>
+      return <DockTab value={tab} icon={<Icon svg="install" />} />
     }
   }
 
@@ -86,11 +87,11 @@ export class Dock extends React.Component<Props> {
     if (!isOpen || !tab) return;
     return (
       <div className="tab-content" style={{ flexBasis: height }}>
-        {isCreateResourceTab(tab) && <CreateResource tab={tab}/>}
-        {isEditResourceTab(tab) && <EditResource tab={tab}/>}
-        {isInstallChartTab(tab) && <InstallChart tab={tab}/>}
-        {isUpgradeChartTab(tab) && <UpgradeChart tab={tab}/>}
-        {isTerminalTab(tab) && <TerminalWindow tab={tab}/>}
+        {isCreateResourceTab(tab) && <CreateResource tab={tab} />}
+        {isEditResourceTab(tab) && <EditResource tab={tab} />}
+        {isInstallChartTab(tab) && <InstallChart tab={tab} />}
+        {isUpgradeChartTab(tab) && <UpgradeChart tab={tab} />}
+        {isTerminalTab(tab) && <TerminalWindow tab={tab} />}
       </div>
     )
   }
@@ -104,11 +105,11 @@ export class Dock extends React.Component<Props> {
         onKeyDown={this.onKeydown}
         tabIndex={-1}
       >
-        <Draggable
-          className={cssNames("resizer", { disabled: !hasTabs() })}
-          horizontal={false}
+        <ResizingAnchor
+          disabled={!hasTabs()}
+          direction={ResizeDirection.VERTICAL}
           onStart={this.onResizeStart}
-          onEnter={this.onResize}
+          onDrag={this.onResize}
         />
         <div className="tabs-container flex align-center" onDoubleClick={prevDefault(toggle)}>
           <Tabs
@@ -121,11 +122,11 @@ export class Dock extends React.Component<Props> {
             <div className="dock-menu box grow">
               <MenuActions usePortal triggerIcon={{ material: "add", className: "new-dock-tab", tooltip: <Trans>New tab</Trans> }} closeOnScroll={false}>
                 <MenuItem className="create-terminal-tab" onClick={() => createTerminalTab()}>
-                  <Icon small svg="terminal" size={15}/>
+                  <Icon small svg="terminal" size={15} />
                   <Trans>Terminal session</Trans>
                 </MenuItem>
                 <MenuItem className="create-resource-tab" onClick={() => createResourceTab()}>
-                  <Icon small material="create"/>
+                  <Icon small material="create" />
                   <Trans>Create resource</Trans>
                 </MenuItem>
               </MenuActions>
@@ -133,7 +134,7 @@ export class Dock extends React.Component<Props> {
             {hasTabs() && (
               <>
                 <Icon
-                  material={fullSize ? "fullscreen_exit": "fullscreen"}
+                  material={fullSize ? "fullscreen_exit" : "fullscreen"}
                   tooltip={fullSize ? <Trans>Exit full size mode</Trans> : <Trans>Fit to window</Trans>}
                   onClick={toggleFillSize}
                 />

src/renderer/components/draggable/draggable.scss

@@ -1,5 +0,0 @@
-body.dragging {
-  user-select: none;
-  -moz-user-select: none;
-  -webkit-user-select: none;
-}

src/renderer/components/draggable/draggable.tsx

@@ -1,119 +0,0 @@
-import "./draggable.scss";
-import React from "react";
-import { cssNames, IClassName, noop } from "../../utils";
-import throttle from "lodash/throttle";
-
-export interface DraggableEventHandler {
-  (state: DraggableState): void;
-}
-
-interface Props {
-  className?: IClassName;
-  vertical?: boolean;
-  horizontal?: boolean;
-  onStart?: DraggableEventHandler;
-  onEnter?: DraggableEventHandler;
-  onEnd?: DraggableEventHandler;
-}
-
-export interface DraggableState {
-  inited?: boolean;
-  changed?: boolean;
-  initX?: number;
-  initY?: number;
-  pageX?: number;
-  pageY?: number;
-  offsetX?: number;
-  offsetY?: number;
-}
-
-const initState: DraggableState = {
-  inited: false,
-  changed: false,
-  offsetX: 0,
-  offsetY: 0,
-};
-
-export class Draggable extends React.PureComponent<Props, DraggableState> {
-  public state = initState;
-
-  static IS_DRAGGING = "dragging"
-
-  static defaultProps: Props = {
-    vertical: true,
-    horizontal: true,
-    onStart: noop,
-    onEnter: noop,
-    onEnd: noop,
-  };
-
-  constructor(props: Props) {
-    super(props);
-    document.addEventListener("mousemove", this.onDrag);
-    document.addEventListener("mouseup", this.onDragEnd);
-  }
-
-  componentWillUnmount() {
-    document.removeEventListener("mousemove", this.onDrag);
-    document.removeEventListener("mouseup", this.onDragEnd);
-  }
-
-  onDragInit = (evt: React.MouseEvent<any>) => {
-    document.body.classList.add(Draggable.IS_DRAGGING);
-    const { pageX, pageY } = evt;
-    this.setState({
-      inited: true,
-      initX: pageX,
-      initY: pageY,
-      pageX: pageX,
-      pageY: pageY,
-    })
-  }
-
-  onDrag = throttle((evt: MouseEvent) => {
-    const { vertical, horizontal, onEnter, onStart } = this.props;
-    const { inited, pageX, pageY } = this.state;
-    const offsetX = pageX - evt.pageX;
-    const offsetY = pageY - evt.pageY;
-    let changed = false;
-    if (horizontal && offsetX !== 0) changed = true;
-    if (vertical && offsetY !== 0) changed = true;
-    if (inited && changed) {
-      const start = !this.state.changed;
-      const state = Object.assign({}, this.state, {
-        changed: true,
-        pageX: evt.pageX,
-        pageY: evt.pageY,
-        offsetX: offsetX,
-        offsetY: offsetY,
-      });
-      if (start) onStart(state);
-      this.setState(state, () => onEnter(state));
-    }
-  }, 100)
-
-  onDragEnd = (evt: MouseEvent) => {
-    const { pageX, pageY } = evt;
-    const { inited, changed, initX, initY } = this.state;
-    if (inited) {
-      document.body.classList.remove(Draggable.IS_DRAGGING);
-      this.setState(initState, () => {
-        if (!changed) return;
-        const state = Object.assign({}, this.state, {
-          offsetX: initX - pageX,
-          offsetY: initY - pageY,
-        });
-        this.props.onEnd(state);
-      });
-    }
-  }
-
-  render() {
-    const { className, children } = this.props;
-    return (
-      <div className={cssNames("Draggable", className)} onMouseDown={this.onDragInit}>
-        {children}
-      </div>
-    );
-  }
-}

src/renderer/components/draggable/index.ts

@@ -1 +0,0 @@
-export * from './draggable'

src/renderer/components/resizing-anchor/index.ts

@@ -0,0 +1 @@
+export * from './resizing-anchor'

src/renderer/components/resizing-anchor/resizing-anchor.scss

@@ -0,0 +1,46 @@
+body.resizing {
+  user-select: none;
+  -moz-user-select: none;
+  -webkit-user-select: none;
+}
+
+.ResizingAnchor {
+  $prominentDimention: 12px;
+
+  position: absolute;
+  z-index: 10;
+
+  &.disabled {
+    display: none;
+  }
+
+  &.vertical {
+    left: 0;
+    right: 0;
+    cursor: row-resize;
+    height: $prominentDimention;
+
+    &.leading {
+      top: -$prominentDimention / 2;
+    }
+
+    &.trailing {
+      bottom: -$prominentDimention / 2;
+    }
+  }
+
+  &.horizontal {
+    top: 0;
+    bottom: 0;
+    cursor: col-resize;
+    width: $prominentDimention;
+
+    &.leading {
+      left: -$prominentDimention / 2;
+    }
+
+    &.trailing {
+      right: -$prominentDimention / 2;
+    }
+  }
+}

src/renderer/components/resizing-anchor/resizing-anchor.tsx

@@ -0,0 +1,126 @@
+import "./resizing-anchor.scss";
+import React from "react";
+import { cssNames, noop } from "../../utils";
+import { action, computed, observable } from "mobx";
+import _ from "lodash"
+
+export enum ResizeDirection {
+  HORIZONTAL = "horizontal",
+  VERTICAL = "vertical",
+}
+
+/**
+ * ResizeSide is for customizing where the area should be rendered.
+ * That location is determined in conjunction with the `ResizeDirection` using the following table:
+ *
+ * +----------+------------+----------+
+ * |          | HORIZONTAL | VERTICAL |
+ * +----------+------------+----------+
+ * |  LEADING | left       | top      |
+ * +----------+------------+----------+
+ * | TRAILING | right      | bottom   |
+ * +----------+------------+----------+
+ */
+export enum ResizeSide {
+  LEADING = "leading",
+  TRAILING = "trailing",
+}
+
+interface Props {
+  direction: ResizeDirection;
+  disabled?: boolean;
+  placement?: ResizeSide;
+  onStart?: () => void;
+  onDrag?: (data: ResizeEventData) => void;
+  onEnd?: () => void;
+}
+
+export interface ResizeEventData {
+  initX: number;
+  initY: number;
+  pageX: number;
+  pageY: number;
+  movementX: number;
+  movementY: number;
+}
+
+const defaultProps: Partial<Props> = {
+  onStart: noop,
+  onDrag: noop,
+  onEnd: noop,
+  disabled: false,
+  placement: ResizeSide.LEADING,
+}
+
+export class ResizingAnchor extends React.PureComponent<Props> {
+  @observable startingPosition?: { initX: number, initY: number };
+  @observable lastEvent?: MouseEvent
+
+  @computed get firstDragEvent() {
+    return this.lastEvent == null
+  }
+
+  static defaultProps = defaultProps
+  static IS_RESIZING = "resizing"
+
+  constructor(props: Props) {
+    super(props);
+  }
+
+  componentWillUnmount() {
+    document.removeEventListener("mousemove", this.onDrag);
+    document.removeEventListener("mouseup", this.onDragEnd);
+  }
+
+  @action
+  onDragInit = ({ pageX, pageY, buttons }: React.MouseEvent<any>) => {
+    if (buttons !== 1) {
+      return
+    }
+
+    document.addEventListener("mousemove", this.onDrag)
+    document.addEventListener("mouseup", this.onDragEnd)
+    document.body.classList.add(ResizingAnchor.IS_RESIZING)
+
+    this.startingPosition = {
+      initX: pageX,
+      initY: pageY
+    }
+    this.lastEvent = undefined
+  }
+
+  calculateMovement = (event: MouseEvent) => {
+    return {
+      movementX: this.lastEvent.pageX - event.pageX,
+      movementY: this.lastEvent.pageY - event.pageY
+    }
+  }
+
+  onDrag = _.throttle((event: MouseEvent) => {
+    const { onDrag, onStart } = this.props
+    const { initX, initY } = this.startingPosition
+    const { pageX, pageY } = event
+
+    if (this.firstDragEvent) onStart()
+
+    const { movementX, movementY } = this.firstDragEvent ? event : this.calculateMovement(event)
+    onDrag({ movementX, movementY, pageX, pageY, initY, initX })
+
+    this.lastEvent = event
+  }, 100)
+
+  @action
+  onDragEnd = (event: MouseEvent) => {
+    const { onEnd } = this.props;
+
+    onEnd()
+    document.removeEventListener("mousemove", this.onDrag);
+    document.removeEventListener("mouseup", this.onDragEnd);
+    document.body.classList.remove(ResizingAnchor.IS_RESIZING)
+  }
+
+  render() {
+    const { disabled, direction, placement } = this.props
+    return <div className={cssNames("ResizingAnchor", direction, placement, { disabled })} onMouseDown={this.onDragInit} />
+  }
+}

yarn.lock

@@ -8181,17 +8181,17 @@ mobx-observable-history@^1.0.3:
     history "^4.10.1"
     mobx "^5.15.4"
 
-mobx-react-lite@2:
-  version "2.0.7"
-  resolved "https://registry.yarnpkg.com/mobx-react-lite/-/mobx-react-lite-2.0.7.tgz#1bfb3b4272668e288047cf0c7940b14e91cba284"
-  integrity sha512-YKAh2gThC6WooPnVZCoC+rV1bODAKFwkhxikzgH18wpBjkgTkkR9Sb0IesQAH5QrAEH/JQVmy47jcpQkf2Au3Q==
+mobx-react-lite@>=2.2.0:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/mobx-react-lite/-/mobx-react-lite-2.2.2.tgz#87c217dc72b4e47b22493daf155daf3759f868a6"
+  integrity sha512-2SlXALHIkyUPDsV4VTKVR9DW7K3Ksh1aaIv3NrNJygTbhXe2A9GrcKHZ2ovIiOp/BXilOcTYemfHHZubP431dg==
 
 mobx-react@^6.2.2:
-  version "6.2.2"
-  resolved "https://registry.yarnpkg.com/mobx-react/-/mobx-react-6.2.2.tgz#45e8e7c4894cac8399bba0a91060d7cfb8ea084b"
-  integrity sha512-Us6V4ng/iKIRJ8pWxdbdysC6bnS53ZKLKlVGBqzHx6J+gYPYbOotWvhHZnzh/W5mhpYXxlXif4kL2cxoWJOplQ==
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/mobx-react/-/mobx-react-6.3.0.tgz#7d11799f988bbdadc49e725081993b18baa20329"
+  integrity sha512-C14yya2nqEBRSEiJjPkhoWJLlV8pcCX3m2JRV7w1KivwANJqipoiPx9UMH4pm6QNMbqDdvJqoyl+LqNu9AhvEQ==
   dependencies:
-    mobx-react-lite "2"
+    mobx-react-lite ">=2.2.0"
 
 mobx@^5.15.4:
   version "5.15.4"