180 lines
3.1 KiB
JavaScript
180 lines
3.1 KiB
JavaScript
/**
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* ansi-viewer
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* ANSI art viewer for node.
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* Copyright (c) 2015, Christopher Jeffrey and contributors (MIT License).
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* https://github.com/chjj/blessed
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*/
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var blessed = require('../../')
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, request = require('request')
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, fs = require('fs')
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, screen;
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// $ wget -r -o log --tries=10 'http://artscene.textfiles.com/ansi/'
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// $ grep 'http.*\.ans$' log | awk '{ print $3 }' > ansi-art.list
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var urls = fs.readFileSync(__dirname + '/ansi-art.list', 'utf8').trim().split('\n');
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var map = urls.reduce(function(map, url) {
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map[/([^.\/]+\/[^.\/]+)\.ans$/.exec(url)[1]] = url;
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return map;
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}, {});
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var max = Object.keys(map).reduce(function(out, text) {
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return Math.max(out, text.length);
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}, 0) + 6;
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screen = blessed.screen({
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smartCSR: true,
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dockBorders: true
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});
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var art = blessed.terminal({
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parent: screen,
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left: 0,
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top: 0,
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right: 0,
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bottom: 0,
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handler: function() {}
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});
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var list = blessed.list({
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parent: screen,
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label: ' {bold}{cyan-fg}ANSI Art{/cyan-fg}{/bold} (Drag Me) ',
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tags: true,
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draggable: true,
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top: 0,
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right: 0,
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width: max,
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height: '50%',
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keys: true,
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vi: true,
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mouse: true,
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border: 'line',
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scrollbar: {
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ch: ' ',
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track: {
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bg: 'cyan'
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},
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style: {
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inverse: true
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}
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},
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style: {
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item: {
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hover: {
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bg: 'blue'
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}
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},
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selected: {
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bg: 'blue',
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bold: true
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}
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},
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search: function(callback) {
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prompt.input('Search:', '', function(err, value) {
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if (err) return;
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return callback(null, value);
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});
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}
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});
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var status = blessed.box({
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parent: screen,
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bottom: 0,
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right: 0,
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height: 1,
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width: 'shrink',
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style: {
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bg: 'blue'
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},
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content: 'Select your piece of ANSI art (`/` to search).'
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});
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var loader = blessed.loading({
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parent: screen,
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top: 'center',
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left: 'center',
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height: 5,
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align: 'center',
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width: '50%',
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tags: true,
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hidden: true,
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border: 'line'
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});
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var msg = blessed.message({
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parent: screen,
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top: 'center',
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left: 'center',
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height: 'shrink',
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width: '50%',
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align: 'center',
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tags: true,
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hidden: true,
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border: 'line'
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});
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var prompt = blessed.prompt({
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parent: screen,
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top: 'center',
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left: 'center',
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height: 'shrink',
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width: 'shrink',
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keys: true,
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vi: true,
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mouse: true,
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tags: true,
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content: 'Label:',
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border: 'line',
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hidden: true
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});
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list.setItems(Object.keys(map));
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list.on('select', function(url, selected) {
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if (list._.rendering) return;
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url = map[url.getText()];
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status.setContent(url);
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list._.rendering = true;
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loader.load('Loading...');
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request(url, function(err, res, body) {
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list._.rendering = false;
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loader.stop();
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if (err) {
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return msg.error(err.message);
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}
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if (!body) {
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return msg.error('No body.');
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}
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// Remove MCI codes:
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body = body.replace(/%[A-Z]{2}/g, '');
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// Reset and write the art:
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art.term.reset();
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art.term.write(body);
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art.term.cursorHidden = true;
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screen.render();
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});
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});
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list.focus();
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screen.key('q', function() {
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return process.exit(0);
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});
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screen.key('h', function() {
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list.toggle();
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if (list.visible) list.focus();
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});
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screen.render();
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