xref: /aosp_15_r20/external/perfetto/ui/src/widgets/text_paragraph.ts (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
1// Copyright (C) 2023 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15import m from 'mithril';
16import {classNames} from '../base/classnames';
17
18export interface TextParagraphAttrs {
19  // Paragraph text.
20  text: string;
21  // Whether to compress multiple spaces (e.g. the string is multi-line but
22  // should render with the default UI wrapping)
23  compressSpace?: boolean;
24}
25
26export class TextParagraph implements m.ClassComponent<TextParagraphAttrs> {
27  view({attrs}: m.CVnode<TextParagraphAttrs>) {
28    let {text, compressSpace} = attrs;
29    if (compressSpace === undefined) {
30      compressSpace = true;
31    }
32    return m(
33      `div.pf-text-paragraph`,
34      compressSpace ? text.replace(/\s\s+/g, ' ') : text,
35    );
36  }
37}
38
39interface MultiParagraphTextAttrs {
40  // Space delimited class list applied to element.
41  className?: string;
42}
43
44export class MultiParagraphText
45  implements m.ClassComponent<MultiParagraphTextAttrs>
46{
47  view({attrs, children}: m.Vnode<MultiParagraphTextAttrs>): m.Children {
48    const {className = ''} = attrs;
49
50    const classes = classNames(className);
51
52    return m('div', {class: classes}, children);
53  }
54}
55