file with formatters

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or-else
2021-09-14 09:56:24 -07:00
parent 68e1287fb8
commit 8ee83a9b26
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import React from 'react';
import { defineMessages, injectIntl } from 'react-intl';
import { IMAGE_THUMBNAIL_DIM, BROKEN_IMAGE_SIZE, REM_SIZE } from '../config.js';
import { fitImageSize } from './blob-helpers.js';
import { idToColorClass } from './strformat.js';
import { sanitizeImageUrl } from './utils.js';
import { Drafty } from 'tinode-sdk';
const messages = defineMessages({
drafty_form: {
id: 'drafty_form',
defaultMessage: 'Form: ',
description: 'Comment for form in drafty preview'
},
drafty_attachment: {
id: 'drafty_attachment',
defaultMessage: 'Attachment',
description: 'Comment for attachment in drafty preview'
},
drafty_image: {
id: 'drafty_image',
defaultMessage: 'Picture',
description: 'Comment for embedded images in drafty preview'
},
});
function handleImageData(el, data, attr) {
if (!data) {
attr.src = 'img/broken_image.png';
attr.style = {
width: BROKEN_IMAGE_SIZE + 'px',
height: BROKEN_IMAGE_SIZE + 'px',
// Looks like a Chrome bug: broken image does not respect 'width' and 'height'.
minWidth: BROKEN_IMAGE_SIZE + 'px',
minHeight: BROKEN_IMAGE_SIZE + 'px'
};
return el;
}
attr.className = 'inline-image';
const dim = fitImageSize(data.width, data.height,
this.viewportWidth > 0 ?
Math.min(this.viewportWidth - REM_SIZE * 6.5, REM_SIZE * 34.5) : REM_SIZE * 34.5,
REM_SIZE * 24, false) || {dstWidth: BROKEN_IMAGE_SIZE, dstHeight: BROKEN_IMAGE_SIZE};
attr.style = {
width: dim.dstWidth + 'px',
height: dim.dstHeight + 'px',
// Looks like a Chrome bug: broken image does not respect 'width' and 'height'.
minWidth: dim.dstWidth + 'px',
minHeight: dim.dstHeight + 'px'
};
if (!Drafty.isProcessing(data)) {
attr.src = this.authorizeURL(sanitizeImageUrl(attr.src));
attr.alt = data.name;
if (attr.src) {
if (Math.max(data.width || 0, data.height || 0) > IMAGE_THUMBNAIL_DIM) {
// Allow previews for large enough images.
attr.onClick = this.onImagePreview;
attr.className += ' image-clickable';
}
attr.loading = 'lazy';
} else {
attr.src = 'img/broken_image.png';
}
} else {
// Use custom element instead of <img>.
el = UploadingImage;
}
return el;
}
// The main Drafty formatter: converts Drafty elements into React classes. 'this' is set by the caller.
// 'this' must contain:
// viewportWidth: this.props.viewportWidth;
// authorizeURL: this.props.tinode.authorizeURL
// onImagePreview: this.handleImagePreview
// onFormButtonClick: this.handleFormButtonClick
// onQuoteClick: this.handleQuoteClick (optional)
export function fullFormatter(style, data, values, key) {
if (style == 'EX') {
// attachments are handled elsewhere.
return null;
}
let el = Drafty.tagName(style);
if (el) {
const attr = Drafty.attrValue(style, data) || {};
attr.key = key;
switch (style) {
case 'HL':
// Highlighted text. Assign class name.
attr.className = 'highlight';
break;
case 'IM':
// Additional processing for images
el = handleImageData.call(this, el, data, attr);
// Image element cannot have content.
values = null;
break;
case 'BN':
// Button
attr.onClick = this.onFormButtonClick;
let inner = React.Children.map(values, (child) => {
return typeof child == 'string' ? child : undefined;
});
if (!inner || inner.length == 0) {
inner = [attr.name]
}
// Get text which will be sent back when the button is clicked.
attr['data-title'] = inner.join('');
break;
case 'MN':
// Mention
if (data && data.hasOwnProperty('colorId')) {
attr.className = 'mn-dark-color' + data.colorId;
}
break;
case 'FM':
// Form
attr.className = 'bot-form';
break;
case 'RW':
// Form element formatting is dependent on element content.
break;
case 'QQ':
// Quote/citation.
attr.className = 'reply-quote'
attr.onClick = this.onQuoteClick;
break;
default:
if (el == '_UNKN') {
// Unknown element.
el = React.Fragment;
values = [<i className="material-icons gray">extension</i>, ' '].concat(values || []);
}
break;
}
return React.createElement(el, attr, values);
} else {
return values;
}
};
// Converts Drafty object into a one-line preview. 'this' is set by the caller.
// 'this' must contain:
// formatMessage: this.props.intl.formatMessage
export function previewFormatter(style, data, values, key) {
let el = Drafty.tagName(style);
const attr = { key: key };
if (el) {
switch (style) {
case 'BR':
// Replace new line with a space.
el = React.Fragment;
values = [' '];
break;
case 'HL':
// Make highlight less prominent in preview.
attr.className = 'highlight preview';
break;
case 'LN':
case 'MN':
// Disable links in previews.
el = 'span';
break;
case 'IM':
// Replace image with '[icon] Image'.
el = React.Fragment;
values = [<i key="im" className="material-icons">photo</i>, this.formatMessage(messages.drafty_image)];
break;
case 'BN':
el = 'span';
attr.className = 'flat-button faux';
break;
case 'FM':
el = React.Fragment;
values = [<i key="fm" className="material-icons">dashboard</i>,
this.formatMessage(messages.drafty_form)].concat(' ', values || []);
break;
case 'RW':
el = React.Fragment;
break;
case 'EX':
if (data && data.mime == 'application/json') {
// Ignore JSON attachments: they are form response payloads.
return null;
}
el = React.Fragment;
values = [<i key="ex" className="material-icons">attachment</i>, this.formatMessage(messages.drafty_attachment)];
break;
default:
if (el == '_UNKN') {
el = React.Fragment;
values = [<i key="unkn" className="material-icons">extension</i>, ' '].concat(values || []);
}
break;
}
return React.createElement(el, attr, values);
} else {
return values;
}
};
// Converts Drafty object into a quoted reply. 'this' is set by the caller.
// 'this' must contain:
// formatMessage: this.props.intl.formatMessage
// authorizeURL: this.props.tinode.authorizeURL
// onQuoteClick: this.handleQuoteClick (optional)
export function quoteFormatter(style, data, values, key) {
if (['BR', 'IM', 'MN', 'QQ'].includes(style)) {
let el = Drafty.tagName(style);
const attr = Drafty.attrValue(style, data) || {};
attr.key = key;
switch(style) {
case 'IM':
el = handleImageData.call(this, el, data, attr);
values = null;
break;
case 'MN':
el = 'span';
attr.className = 'mention'
if (data) {
attr.className += ' ' + idToColorClass(data.val, false, true);
}
break;
case 'QQ':
attr.className = 'reply-quote';
attr.onClick = this.onQuoteClick;
break;
}
return React.createElement(el, attr, values);
}
return previewFormatter.call(this, style, data, values, key);
}