waveterm/frontend/app/block/block.tsx

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// Copyright 2024, Command Line Inc.
// SPDX-License-Identifier: Apache-2.0
import { useLongClick } from "@/app/hook/useLongClick";
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import { PlotView } from "@/app/view/plotview/plotview";
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import { PreviewView, makePreviewModel } from "@/app/view/preview/preview";
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import { Button } from "@/element/button";
import { ErrorBoundary } from "@/element/errorboundary";
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import { CenteredDiv } from "@/element/quickelems";
import { ContextMenuModel } from "@/store/contextmenu";
import { atoms, globalStore, setBlockFocus, useBlockAtom } from "@/store/global";
import * as services from "@/store/services";
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import * as WOS from "@/store/wos";
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import * as util from "@/util/util";
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import { CpuPlotView, makeCpuPlotViewModel } from "@/view/cpuplot/cpuplot";
import { HelpView } from "@/view/helpview/helpview";
import { TerminalView, makeTerminalModel } from "@/view/term/term";
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import { WaveAi, makeWaveAiViewModel } from "@/view/waveai/waveai";
import { WebView, makeWebViewModel } from "@/view/webview/webview";
import clsx from "clsx";
import * as jotai from "jotai";
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import * as React from "react";
import { getLayoutStateAtomForTab } from "@/layout/lib/layoutAtom";
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import { adaptFromReactOrNativeKeyEvent, checkKeyPressed } from "@/util/keyutil";
import { isBlockMagnified } from "@/util/layoututil";
import "./block.less";
export interface LayoutComponentModel {
disablePointerEvents: boolean;
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onClose?: () => void;
onMagnifyToggle?: () => void;
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dragHandleRef?: React.RefObject<HTMLDivElement>;
}
interface BlockProps {
blockId: string;
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preview: boolean;
layoutModel: LayoutComponentModel;
}
interface BlockComponentModel {
onClick?: () => void;
onFocusCapture?: React.FocusEventHandler<HTMLDivElement>;
blockRef?: React.RefObject<HTMLDivElement>;
}
interface BlockFrameProps {
blockId: string;
blockModel?: BlockComponentModel;
layoutModel?: LayoutComponentModel;
viewModel?: ViewModel;
preview: boolean;
numBlocksInTab?: number;
children?: React.ReactNode;
}
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const colorRegex = /^((#[0-9a-f]{6,8})|([a-z]+))$/;
function processTitleString(titleString: string): React.ReactNode[] {
if (titleString == null) {
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return null;
}
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const tagRegex = /<(\/)?([a-z]+)(?::([#a-z0-9@-]+))?>/g;
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let lastIdx = 0;
let match;
let partsStack = [[]];
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while ((match = tagRegex.exec(titleString)) != null) {
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const lastPart = partsStack[partsStack.length - 1];
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const before = titleString.substring(lastIdx, match.index);
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lastPart.push(before);
lastIdx = match.index + match[0].length;
const [_, isClosing, tagName, tagParam] = match;
if (tagName == "icon" && !isClosing) {
if (tagParam == null) {
continue;
}
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const iconClass = util.makeIconClass(tagParam, false);
if (iconClass == null) {
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continue;
}
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lastPart.push(<i key={match.index} className={iconClass} />);
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continue;
}
if (tagName == "c" || tagName == "color") {
if (isClosing) {
if (partsStack.length <= 1) {
continue;
}
partsStack.pop();
continue;
}
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if (tagParam == null) {
continue;
}
if (!tagParam.match(colorRegex)) {
continue;
}
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let children = [];
const rtag = React.createElement("span", { key: match.index, style: { color: tagParam } }, children);
lastPart.push(rtag);
partsStack.push(children);
continue;
}
if (tagName == "i" || tagName == "b") {
if (isClosing) {
if (partsStack.length <= 1) {
continue;
}
partsStack.pop();
continue;
}
let children = [];
const rtag = React.createElement(tagName, { key: match.index }, children);
lastPart.push(rtag);
partsStack.push(children);
continue;
}
}
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partsStack[partsStack.length - 1].push(titleString.substring(lastIdx));
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return partsStack[0];
}
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function getBlockHeaderIcon(blockIcon: string, blockData: Block): React.ReactNode {
let blockIconElem: React.ReactNode = null;
if (util.isBlank(blockIcon)) {
blockIcon = "square";
}
let iconColor = blockData?.meta?.["icon:color"];
if (iconColor && !iconColor.match(colorRegex)) {
iconColor = null;
}
let iconStyle = null;
if (!util.isBlank(iconColor)) {
iconStyle = { color: iconColor };
}
const iconClass = util.makeIconClass(blockIcon, true);
if (iconClass != null) {
blockIconElem = <i key="icon" style={iconStyle} className={clsx(`block-frame-icon`, iconClass)} />;
}
return blockIconElem;
}
function getBlockHeaderText(blockIcon: string, blockData: Block, settings: SettingsConfigType): React.ReactNode {
if (!blockData) {
return "no block data";
}
let blockIdStr = "";
if (settings?.blockheader?.showblockids) {
blockIdStr = ` [${blockData.oid.substring(0, 8)}]`;
}
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let blockIconElem = getBlockHeaderIcon(blockIcon, blockData);
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if (!util.isBlank(blockData?.meta?.title)) {
try {
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const rtn = processTitleString(blockData.meta.title) ?? [];
return [blockIconElem, ...rtn, blockIdStr == "" ? null : blockIdStr];
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} catch (e) {
console.error("error processing title", blockData.meta.title, e);
return [blockIconElem, blockData.meta.title + blockIdStr];
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}
}
let viewString = blockData?.meta?.view;
if (blockData?.meta?.controller == "cmd") {
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viewString = "cmd";
}
return [blockIconElem, viewString + blockIdStr];
}
function handleHeaderContextMenu(
e: React.MouseEvent<HTMLDivElement>,
blockData: Block,
viewModel: ViewModel,
onMagnifyToggle: () => void,
onClose: () => void
) {
e.preventDefault();
e.stopPropagation();
let menu: ContextMenuItem[] = [
{
label: "Magnify Block",
click: () => {
onMagnifyToggle();
},
},
{
label: "Move to New Window",
click: () => {
const currentTabId = globalStore.get(atoms.activeTabId);
try {
services.WindowService.MoveBlockToNewWindow(currentTabId, blockData.oid);
} catch (e) {
console.error("error moving block to new window", e);
}
},
},
{ type: "separator" },
{
label: "Copy BlockId",
click: () => {
navigator.clipboard.writeText(blockData.oid);
},
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},
];
const extraItems = viewModel?.getSettingsMenuItems?.();
if (extraItems && extraItems.length > 0) menu.push({ type: "separator" }, ...extraItems);
menu.push(
{ type: "separator" },
{
label: "Close Block",
click: onClose,
}
);
ContextMenuModel.showContextMenu(menu, e);
}
const IconButton = React.memo(({ decl, className }: { decl: HeaderIconButton; className?: string }) => {
const buttonRef = React.useRef<HTMLDivElement>(null);
useLongClick(buttonRef, decl.click, decl.longClick);
return (
<div ref={buttonRef} className={clsx(className)} title={decl.title}>
<i className={util.makeIconClass(decl.icon, true)} />
</div>
);
});
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const Input = React.memo(({ decl, className }: { decl: HeaderInput; className: string }) => {
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const { value, ref, isDisabled, onChange, onKeyDown, onFocus, onBlur } = decl;
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return (
<div className="input-wrapper">
<input
ref={ref}
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disabled={isDisabled}
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className={className}
value={value}
onChange={(e) => onChange(e)}
onKeyDown={(e) => onKeyDown(e)}
onFocus={(e) => onFocus(e)}
onBlur={(e) => onBlur(e)}
/>
</div>
);
});
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const BlockFrame_Default_Component = ({
blockId,
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layoutModel,
viewModel,
blockModel,
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preview,
numBlocksInTab,
children,
}: BlockFrameProps) => {
const [blockData] = WOS.useWaveObjectValue<Block>(WOS.makeORef("block", blockId));
const settingsConfig = jotai.useAtomValue(atoms.settingsConfigAtom);
const isFocusedAtom = useBlockAtom<boolean>(blockId, "isFocused", () => {
return jotai.atom((get) => {
const winData = get(atoms.waveWindow);
return winData?.activeblockid === blockId;
});
});
let isFocused = jotai.useAtomValue(isFocusedAtom);
const viewIconUnion = util.useAtomValueSafe(viewModel.viewIcon) ?? blockViewToIcon(blockData?.meta?.view);
const viewName = util.useAtomValueSafe(viewModel.viewName) ?? blockViewToName(blockData?.meta?.view);
const headerTextUnion = util.useAtomValueSafe(viewModel.viewText);
const preIconButton = util.useAtomValueSafe(viewModel.preIconButton);
const endIconButtons = util.useAtomValueSafe(viewModel.endIconButtons);
const customBg = util.useAtomValueSafe(viewModel.blockBg);
const tabId = globalStore.get(atoms.activeTabId);
const tabAtom = WOS.getWaveObjectAtom<Tab>(WOS.makeORef("tab", tabId));
const layoutTreeState = util.useAtomValueSafe(getLayoutStateAtomForTab(tabId, tabAtom));
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if (preview) {
isFocused = true;
}
const style: React.CSSProperties = {};
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if (!isFocused && blockData?.meta?.["frame:bordercolor"]) {
style.borderColor = blockData.meta["frame:bordercolor"];
}
if (isFocused && blockData?.meta?.["frame:bordercolor:focused"]) {
style.borderColor = blockData.meta["frame:bordercolor:focused"];
}
let viewIconElem: JSX.Element = null;
if (viewIconUnion == null || typeof viewIconUnion === "string") {
const viewIcon = viewIconUnion as string;
viewIconElem = <div className="block-frame-view-icon">{getBlockHeaderIcon(viewIcon, blockData)}</div>;
} else {
viewIconElem = <IconButton decl={viewIconUnion} className="block-frame-view-icon" />;
}
let preIconButtonElem: JSX.Element = null;
if (preIconButton) {
preIconButtonElem = <IconButton decl={preIconButton} className="block-frame-preicon-button" />;
}
const endIconsElem: JSX.Element[] = [];
if (endIconButtons && endIconButtons.length > 0) {
endIconsElem.push(
...endIconButtons.map((button, idx) => (
<IconButton key={idx} decl={button} className="block-frame-endicon-button" />
))
);
}
const settingsDecl: HeaderIconButton = {
elemtype: "iconbutton",
icon: "cog",
title: "Settings",
click: (e) =>
handleHeaderContextMenu(e, blockData, viewModel, layoutModel?.onMagnifyToggle, layoutModel?.onClose),
};
endIconsElem.push(
<IconButton key="settings" decl={settingsDecl} className="block-frame-endicon-button block-frame-settings" />
);
if (isBlockMagnified(layoutTreeState, blockId)) {
const magnifyDecl: HeaderIconButton = {
elemtype: "iconbutton",
icon: "regular@magnifying-glass-minus",
title: "Minimize",
click: layoutModel?.onMagnifyToggle,
};
endIconsElem.push(
<IconButton key="magnify" decl={magnifyDecl} className="block-frame-endicon-button block-frame-magnify" />
);
}
const closeDecl: HeaderIconButton = {
elemtype: "iconbutton",
icon: "xmark-large",
title: "Close",
click: layoutModel?.onClose,
};
endIconsElem.push(
<IconButton key="close" decl={closeDecl} className="block-frame-endicon-button block-frame-default-close" />
);
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function renderHeaderElements(headerTextUnion: HeaderElem[]): JSX.Element[] {
const headerTextElems: JSX.Element[] = [];
function renderElement(elem: HeaderElem, key: number): JSX.Element {
if (elem.elemtype == "iconbutton") {
return (
<IconButton
key={key}
decl={elem}
className={clsx("block-frame-header-iconbutton", elem.className)}
/>
);
} else if (elem.elemtype == "input") {
return <Input key={key} decl={elem} className={clsx("block-frame-input", elem.className)} />;
} else if (elem.elemtype == "text") {
return (
<div key={key} className="block-frame-text">
{elem.text}
</div>
);
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} else if (elem.elemtype == "textbutton") {
return (
<Button key={key} className={elem.className} onClick={(e) => elem.onClick(e)}>
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{elem.text}
</Button>
);
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} else if (elem.elemtype == "div") {
return (
<div
key={key}
className={clsx("block-frame-div", elem.className)}
onMouseOver={elem.onMouseOver}
onMouseOut={elem.onMouseOut}
>
{elem.children.map((child, childIdx) => renderElement(child, childIdx))}
</div>
);
}
return null;
}
for (let idx = 0; idx < headerTextUnion.length; idx++) {
const elem = headerTextUnion[idx];
const renderedElement = renderElement(elem, idx);
if (renderedElement) {
headerTextElems.push(renderedElement);
}
}
return headerTextElems;
}
const headerTextElems: JSX.Element[] = [];
if (typeof headerTextUnion === "string") {
if (!util.isBlank(headerTextUnion)) {
headerTextElems.push(
<div key="text" className="block-frame-text">
{headerTextUnion}
</div>
);
}
} else if (Array.isArray(headerTextUnion)) {
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headerTextElems.push(...renderHeaderElements(headerTextUnion));
}
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function handleDoubleClick() {
layoutModel?.onMagnifyToggle();
}
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function handleKeyDown(e: React.KeyboardEvent<HTMLDivElement>) {
const waveEvent = adaptFromReactOrNativeKeyEvent(e);
if (checkKeyPressed(waveEvent, "Cmd:m")) {
e.preventDefault();
layoutModel?.onMagnifyToggle();
return;
}
}
const innerStyle: React.CSSProperties = {};
if (!preview && customBg?.bg != null) {
innerStyle.background = customBg.bg;
if (customBg["bg:opacity"] != null) {
innerStyle.opacity = customBg["bg:opacity"];
}
if (customBg["bg:blendmode"] != null) {
innerStyle.backgroundBlendMode = customBg["bg:blendmode"];
}
}
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const previewElem = <div className="block-frame-preview">{viewIconElem}</div>;
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return (
<div
className={clsx(
"block",
"block-frame-default",
isFocused ? "block-focused" : null,
preview ? "block-preview" : null,
numBlocksInTab == 1 ? "block-no-highlight" : null,
"block-" + blockId
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)}
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onClick={blockModel?.onClick}
onFocusCapture={blockModel?.onFocusCapture}
ref={blockModel?.blockRef}
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style={style}
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onKeyDown={handleKeyDown}
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>
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<div className="block-mask"></div>
<div className="block-frame-default-inner" style={innerStyle}>
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<div
className="block-frame-default-header"
ref={layoutModel?.dragHandleRef}
onDoubleClick={handleDoubleClick}
onContextMenu={(e) =>
handleHeaderContextMenu(
e,
blockData,
viewModel,
layoutModel?.onMagnifyToggle,
layoutModel?.onClose
)
}
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>
{preIconButtonElem}
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<div className="block-frame-default-header-iconview">
{viewIconElem}
<div className="block-frame-view-type">{viewName}</div>
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{settingsConfig?.blockheader?.showblockids && (
<div className="block-frame-blockid">[{blockId.substring(0, 8)}]</div>
)}
</div>
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<div className="block-frame-textelems-wrapper">{headerTextElems}</div>
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<div className="block-frame-end-icons">{endIconsElem}</div>
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</div>
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{preview ? previewElem : children}
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</div>
</div>
);
};
const BlockFrame_Default = React.memo(BlockFrame_Default_Component) as typeof BlockFrame_Default_Component;
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const BlockFrame = React.memo((props: BlockFrameProps) => {
const blockId = props.blockId;
const [blockData] = WOS.useWaveObjectValue<Block>(WOS.makeORef("block", blockId));
const tabData = jotai.useAtomValue(atoms.tabAtom);
if (!blockId || !blockData) {
return null;
}
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let FrameElem = BlockFrame_Default;
const numBlocks = tabData?.blockids?.length ?? 0;
return <FrameElem {...props} numBlocksInTab={numBlocks} />;
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});
function blockViewToIcon(view: string): string {
if (view == "term") {
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return "terminal";
}
if (view == "preview") {
return "file";
}
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if (view == "web") {
return "globe";
}
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if (view == "waveai") {
return "sparkles";
}
if (view == "help") {
return "circle-question";
}
return "square";
}
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function blockViewToName(view: string): string {
if (util.isBlank(view)) {
return "(No View)";
}
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if (view == "term") {
return "Terminal";
}
if (view == "preview") {
return "Preview";
}
if (view == "web") {
return "Web";
}
if (view == "waveai") {
return "WaveAI";
}
if (view == "help") {
return "Help";
}
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return view;
}
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function getViewElemAndModel(
blockId: string,
blockView: string,
blockRef: React.RefObject<HTMLDivElement>
): { viewModel: ViewModel; viewElem: JSX.Element } {
let viewElem: JSX.Element = null;
let viewModel: ViewModel = null;
if (util.isBlank(blockView)) {
viewElem = <CenteredDiv>No View</CenteredDiv>;
viewModel = makeDefaultViewModel(blockId);
} else if (blockView === "term") {
const termViewModel = makeTerminalModel(blockId);
viewElem = <TerminalView key={blockId} blockId={blockId} model={termViewModel} />;
viewModel = termViewModel;
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} else if (blockView === "preview") {
const previewModel = makePreviewModel(blockId);
viewElem = <PreviewView key={blockId} blockId={blockId} model={previewModel} />;
viewModel = previewModel;
} else if (blockView === "plot") {
viewElem = <PlotView key={blockId} />;
} else if (blockView === "web") {
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const webviewModel = makeWebViewModel(blockId);
viewElem = <WebView key={blockId} parentRef={blockRef} model={webviewModel} />;
viewModel = webviewModel;
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} else if (blockView === "waveai") {
const waveAiModel = makeWaveAiViewModel(blockId);
viewElem = <WaveAi key={blockId} model={waveAiModel} />;
viewModel = waveAiModel;
} else if (blockView === "cpuplot") {
const cpuPlotModel = makeCpuPlotViewModel(blockId);
viewElem = <CpuPlotView key={blockId} model={cpuPlotModel} />;
viewModel = cpuPlotModel;
} else if (blockView == "help") {
viewElem = <HelpView key={blockId} />;
viewModel = makeDefaultViewModel(blockId);
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}
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if (viewModel == null) {
viewElem = <CenteredDiv>Invalid View "{blockView}"</CenteredDiv>;
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viewModel = makeDefaultViewModel(blockId);
}
return { viewElem, viewModel };
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}
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function makeDefaultViewModel(blockId: string): ViewModel {
const blockDataAtom = WOS.getWaveObjectAtom<Block>(WOS.makeORef("block", blockId));
let viewModel: ViewModel = {
viewIcon: jotai.atom((get) => {
const blockData = get(blockDataAtom);
return blockViewToIcon(blockData?.meta?.view);
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}),
viewName: jotai.atom((get) => {
const blockData = get(blockDataAtom);
return blockViewToName(blockData?.meta?.view);
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}),
viewText: jotai.atom((get) => {
const blockData = get(blockDataAtom);
return blockData?.meta?.title;
}),
preIconButton: jotai.atom(null),
endIconButtons: jotai.atom(null),
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};
return viewModel;
}
const BlockPreview = React.memo(({ blockId, layoutModel }: BlockProps) => {
const [blockData] = WOS.useWaveObjectValue<Block>(WOS.makeORef("block", blockId));
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if (!blockData) {
return null;
}
let { viewModel } = getViewElemAndModel(blockId, blockData?.meta?.view, null);
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return (
<BlockFrame
key={blockId}
blockId={blockId}
layoutModel={layoutModel}
preview={true}
blockModel={null}
viewModel={viewModel}
/>
);
});
const BlockFull = React.memo(({ blockId, layoutModel }: BlockProps) => {
const focusElemRef = React.useRef<HTMLInputElement>(null);
const blockRef = React.useRef<HTMLDivElement>(null);
const [blockClicked, setBlockClicked] = React.useState(false);
const [blockData, blockDataLoading] = WOS.useWaveObjectValue<Block>(WOS.makeORef("block", blockId));
const [focusedChild, setFocusedChild] = React.useState(null);
const isFocusedAtom = useBlockAtom<boolean>(blockId, "isFocused", () => {
return jotai.atom((get) => {
const winData = get(atoms.waveWindow);
return winData.activeblockid === blockId;
});
});
const isFocused = jotai.useAtomValue(isFocusedAtom);
React.useLayoutEffect(() => {
setBlockClicked(isFocused);
}, [isFocused]);
React.useLayoutEffect(() => {
if (!blockClicked) {
return;
}
setBlockClicked(false);
const focusWithin = blockRef.current?.contains(document.activeElement);
if (!focusWithin) {
setFocusTarget();
}
setBlockFocus(blockId);
}, [blockClicked]);
React.useLayoutEffect(() => {
if (focusedChild == null) {
return;
}
setBlockFocus(blockId);
}, [focusedChild, blockId]);
// treat the block as clicked on creation
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const setBlockClickedTrue = React.useCallback(() => {
setBlockClicked(true);
}, []);
let { viewElem, viewModel } = React.useMemo(
() => getViewElemAndModel(blockId, blockData?.meta?.view, blockRef),
[blockId, blockData?.meta?.view, blockRef]
);
const determineFocusedChild = React.useCallback(
(event: React.FocusEvent<HTMLDivElement, Element>) => {
setFocusedChild(event.target);
},
[setFocusedChild]
);
const setFocusTarget = React.useCallback(() => {
const ok = viewModel?.giveFocus?.();
if (ok) {
return;
}
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focusElemRef.current?.focus({ preventScroll: true });
}, []);
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if (!blockId || !blockData) return null;
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if (blockDataLoading) {
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viewElem = <CenteredDiv>Loading...</CenteredDiv>;
}
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const blockModel: BlockComponentModel = {
onClick: setBlockClickedTrue,
onFocusCapture: determineFocusedChild,
blockRef: blockRef,
};
return (
<BlockFrame
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key={blockId}
blockId={blockId}
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layoutModel={layoutModel}
preview={false}
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blockModel={blockModel}
viewModel={viewModel}
>
<div key="focuselem" className="block-focuselem">
<input type="text" value="" ref={focusElemRef} id={`${blockId}-dummy-focus`} onChange={() => {}} />
</div>
<div
key="content"
className="block-content"
style={{ pointerEvents: layoutModel?.disablePointerEvents ? "none" : undefined }}
>
<ErrorBoundary>
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<React.Suspense fallback={<CenteredDiv>Loading...</CenteredDiv>}>{viewElem}</React.Suspense>
</ErrorBoundary>
</div>
</BlockFrame>
);
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});
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const Block = React.memo((props: BlockProps) => {
if (props.preview) {
return <BlockPreview {...props} />;
}
return <BlockFull {...props} />;
});
export { Block };