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89 lines
2.5 KiB
89 lines
2.5 KiB
import {colors, theme, vars} from 'app/client/ui2018/cssVars';
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import * as ace from 'brace';
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import {BindableValue, dom, DomElementArg, styled, subscribeElem} from 'grainjs';
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// tslint:disable:no-var-requires
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require('brace/ext/static_highlight');
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require("brace/mode/python");
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require("brace/theme/chrome");
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export interface ICodeOptions {
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placeholder?: string;
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maxLines?: number;
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}
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export function buildHighlightedCode(
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code: BindableValue<string>, options: ICodeOptions, ...args: DomElementArg[]
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): HTMLElement {
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const highlighter = ace.acequire('ace/ext/static_highlight');
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const PythonMode = ace.acequire('ace/mode/python').Mode;
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const theme = ace.acequire('ace/theme/chrome');
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const mode = new PythonMode();
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return cssHighlightedCode(
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dom('div',
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elem => subscribeElem(elem, code, (codeText) => {
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if (codeText) {
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if (options.maxLines) {
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// If requested, trim to maxLines, and add an ellipsis at the end.
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// (Long lines are also truncated with an ellpsis via text-overflow style.)
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const lines = codeText.split(/\n/);
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if (lines.length > options.maxLines) {
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codeText = lines.slice(0, options.maxLines).join("\n") + " \u2026"; // Ellipsis
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}
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}
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elem.innerHTML = highlighter.render(codeText, mode, theme, 1, true).html;
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} else {
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elem.textContent = options.placeholder || '';
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}
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}),
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),
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...args,
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);
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}
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// Use a monospace font, a subset of what ACE editor seems to use.
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export const cssCodeBlock = styled('div', `
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font-family: 'Monaco', 'Menlo', monospace;
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font-size: ${vars.smallFontSize};
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background-color: ${colors.light};
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&[disabled], &.disabled {
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background-color: ${colors.mediumGreyOpaque};
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}
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`);
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const cssHighlightedCode = styled(cssCodeBlock, `
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position: relative;
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white-space: pre;
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overflow: hidden;
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text-overflow: ellipsis;
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border: 1px solid ${colors.darkGrey};
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border-radius: 3px;
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min-height: 28px;
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padding: 5px 6px;
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color: ${colors.slate};
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&.disabled, &.disabled .ace-chrome {
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background-color: ${colors.mediumGreyOpaque};
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}
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& .ace_line {
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overflow: hidden;
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text-overflow: ellipsis;
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}
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`);
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export const cssFieldFormula = styled(buildHighlightedCode, `
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flex: auto;
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cursor: pointer;
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margin-top: 4px;
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padding-left: 24px;
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--icon-color: ${theme.accentIcon};
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&-disabled-icon.formula_field_sidepane::before {
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--icon-color: ${theme.lightText};
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}
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&-disabled {
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pointer-events: none;
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}
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`);
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