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Redo expanding

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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
This commit is contained in:
Šimon Brandner 2021-01-19 16:35:32 +01:00
parent 45d0270bca
commit 61281a855c
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GPG Key ID: 9760693FDD98A790
2 changed files with 91 additions and 59 deletions
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39
res/css/views/rooms/_EventTile.scss
View File

@ -501,10 +501,12 @@ $left-gutter: 64px;
}
}
.mx_EventTile_content_collapsedCode {
pre {
max-height: 30vh;
}
.mx_EventTile_expandedCodeBlock {
max-height: 100vh;
}
.mx_EventTile_collapsedCodeBlock {
max-height: 30vh;
}
.mx_EventTile:hover .mx_EventTile_body pre,
@ -531,6 +533,35 @@ $left-gutter: 64px;
background-color: $message-action-bar-fg-color;
}
// Inserted adjacent to <pre> blocks, (See TextualBody)
.mx_EventTile_expandButton {
position: absolute;
display: inline-block;
visibility: hidden;
cursor: pointer;
top: 6px;
right: 6px;
width: 19px;
height: 19px;
mask-image: url($copy-button-url);
background-color: $message-action-bar-fg-color;
}
// Inserted adjacent to <pre> blocks, (See TextualBody)
.mx_EventTile_collapseButton {
position: absolute;
display: inline-block;
visibility: hidden;
cursor: pointer;
top: 6px;
right: 6px;
width: 19px;
height: 19px;
mask-image: url($copy-button-url);
background-color: $message-action-bar-fg-color;
}
.mx_EventTile_body .mx_EventTile_pre_container:focus-within .mx_EventTile_copyButton,
.mx_EventTile_body .mx_EventTile_pre_container:hover .mx_EventTile_copyButton {
visibility: visible;

111
src/components/views/messages/TextualBody.js
View File

@ -35,7 +35,6 @@ import {isPermalinkHost} from "../../../utils/permalinks/Permalinks";
import {toRightOf} from "../../structures/ContextMenu";
import {copyPlaintext} from "../../../utils/strings";
import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
import classNames from "classnames";
export default class TextualBody extends React.Component {
static propTypes = {
@ -70,7 +69,6 @@ export default class TextualBody extends React.Component {
// track whether the preview widget is hidden
widgetHidden: false,
codeBlockExpanded: SettingsStore.getValue("expandCodeByDefault"),
};
}
@ -93,29 +91,70 @@ export default class TextualBody extends React.Component {
this.calculateUrlPreview();
if (this.props.mxEvent.getContent().format === "org.matrix.custom.html") {
const blocks = ReactDOM.findDOMNode(this).getElementsByTagName("code");
const blocks = ReactDOM.findDOMNode(this).getElementsByTagName("pre");
if (blocks.length > 0) {
for (let i = 0; i < blocks.length; i++) {
this._handleCodeBlockExpansion(blocks[i]);
this._addCodeCopyButton(blocks[i]);
}
// Do this asynchronously: parsing code takes time and we don't
// need to block the DOM update on it.
setTimeout(() => {
if (this._unmounted) return;
for (let i = 0; i < blocks.length; i++) {
if (SettingsStore.getValue("enableSyntaxHighlightLanguageDetection")) {
highlight.highlightBlock(blocks[i]);
} else {
// Only syntax highlight if there's a class starting with language-
const classes = blocks[i].className.split(/\s+/).filter(function(cl) {
return cl.startsWith('language-') && !cl.startsWith('language-_');
});
if (classes.length != 0) {
highlight.highlightBlock(blocks[i]);
}
}
this._highlightCode(blocks[i].firstChild);
}
}, 10);
}
this._addCodeCopyButton();
}
}
_addCodeCopyButton(codeBlock) {
const button = document.createElement("span");
button.className = "mx_EventTile_copyButton";
button.onclick = async () => {
const copyCode = button.parentNode.getElementsByTagName("pre")[0];
const successful = await copyPlaintext(copyCode.textContent);
const buttonRect = button.getBoundingClientRect();
const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu');
const {close} = ContextMenu.createMenu(GenericTextContextMenu, {
...toRightOf(buttonRect, 2),
message: successful ? _t('Copied!') : _t('Failed to copy'),
});
button.onmouseleave = close;
};
// Wrap a div around <pre> so that the copy button can be correctly positioned
// when the <pre> overflows and is scrolled horizontally.
const div = document.createElement("div");
div.className = "mx_EventTile_pre_container";
// Insert containing div in place of <pre> block
codeBlock.parentNode.replaceChild(div, codeBlock);
// Append <pre> block and copy button to container
div.appendChild(codeBlock);
div.appendChild(button);
}
_handleCodeBlockExpansion(codeBlock) {
const expandCodeBlock = SettingsStore.getValue("expandCodeByDefault");
codeBlock.className = expandCodeBlock ? "mx_EventTile_expandedCodeBlock" : "mx_EventTile_collapsedCodeBlock";
}
_highlightCode(codeBlock) {
if (SettingsStore.getValue("enableSyntaxHighlightLanguageDetection")) {
highlight.highlightBlock(codeBlock);
} else {
// Only syntax highlight if there's a class starting with language-
const classes = codeBlock.className.split(/\s+/).filter(function(cl) {
return cl.startsWith('language-') && !cl.startsWith('language-_');
});
if (classes.length != 0) {
highlight.highlightBlock(codeBlock);
}
}
}
@ -256,38 +295,6 @@ export default class TextualBody extends React.Component {
}
}
_addCodeCopyButton() {
// Add 'copy' buttons to pre blocks
Array.from(ReactDOM.findDOMNode(this).querySelectorAll('.mx_EventTile_body pre')).forEach((p) => {
const button = document.createElement("span");
button.className = "mx_EventTile_copyButton";
button.onclick = async () => {
const copyCode = button.parentNode.getElementsByTagName("pre")[0];
const successful = await copyPlaintext(copyCode.textContent);
const buttonRect = button.getBoundingClientRect();
const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu');
const {close} = ContextMenu.createMenu(GenericTextContextMenu, {
...toRightOf(buttonRect, 2),
message: successful ? _t('Copied!') : _t('Failed to copy'),
});
button.onmouseleave = close;
};
// Wrap a div around <pre> so that the copy button can be correctly positioned
// when the <pre> overflows and is scrolled horizontally.
const div = document.createElement("div");
div.className = "mx_EventTile_pre_container";
// Insert containing div in place of <pre> block
p.parentNode.replaceChild(div, p);
// Append <pre> block and copy button to container
div.appendChild(p);
div.appendChild(button);
});
}
onCancelClick = event => {
this.setState({ widgetHidden: true });
// FIXME: persist this somewhere smarter than local storage
@ -439,12 +446,6 @@ export default class TextualBody extends React.Component {
});
}
const defaultCaseClasses = classNames({
mx_MTextBody: true,
mx_EventTile_content: true,
mx_EventTile_content_collapsedCode: !this.state.codeBlockExpanded,
});
switch (content.msgtype) {
case "m.emote":
return (
@ -470,7 +471,7 @@ export default class TextualBody extends React.Component {
);
default: // including "m.text"
return (
<span className={defaultCaseClasses}>
<span className="mx_MTextBody mx_EventTile_content">
{ body }
{ widgets }
</span>