299 lines
12 KiB
JavaScript
299 lines
12 KiB
JavaScript
import React, { Component } from 'react';
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import PropTypes from 'prop-types';
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import { connect } from 'react-redux';
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import { clearStats, onChangeCode, workspaceName } from '../actions/workspaceActions';
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import * as Blockly from 'blockly/core';
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import { saveAs } from 'file-saver';
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import { detectWhitespacesAndReturnReadableResult } from '../helpers/whitespace';
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import { initialXml } from './Blockly/initialXml.js';
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import Compile from './Compile';
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import SolutionCheck from './Tutorial/SolutionCheck';
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import Dialog from './Dialog';
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import Snackbar from './Snackbar';
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import withWidth, { isWidthDown } from '@material-ui/core/withWidth';
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import { withStyles } from '@material-ui/core/styles';
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import Button from '@material-ui/core/Button';
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import IconButton from '@material-ui/core/IconButton';
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import Tooltip from '@material-ui/core/Tooltip';
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import TextField from '@material-ui/core/TextField';
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import Typography from '@material-ui/core/Typography';
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import { faPen, faSave, faUpload, faCamera, faShare } from "@fortawesome/free-solid-svg-icons";
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import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
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const styles = (theme) => ({
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button: {
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backgroundColor: theme.palette.primary.main,
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color: theme.palette.primary.contrastText,
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width: '40px',
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height: '40px',
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'&:hover': {
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backgroundColor: theme.palette.primary.main,
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color: theme.palette.primary.contrastText,
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}
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},
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workspaceName: {
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backgroundColor: theme.palette.secondary.main,
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borderRadius: '25px',
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display: 'inline-flex',
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cursor: 'pointer',
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'&:hover': {
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color: theme.palette.primary.main,
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}
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}
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});
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class WorkspaceFunc extends Component {
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constructor(props){
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super(props);
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this.inputRef = React.createRef();
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this.state = {
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title: '',
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content: '',
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open: false,
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file: false,
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saveFile: false,
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name: props.name,
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snackbar: false,
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key: '',
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message: ''
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};
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}
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componentDidUpdate(props){
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if(props.name !== this.props.name){
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this.setState({name: this.props.name});
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}
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}
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toggleDialog = () => {
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this.setState({ open: !this.state });
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}
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saveXmlFile = () => {
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var code = this.props.xml;
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this.toggleDialog();
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var fileName = detectWhitespacesAndReturnReadableResult(this.state.name);
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this.props.workspaceName(this.state.name);
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fileName = `${fileName}.xml`
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var blob = new Blob([code], { type: 'text/xml' });
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saveAs(blob, fileName);
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}
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getSvg = () => {
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const workspace = Blockly.getMainWorkspace();
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var canvas = workspace.svgBlockCanvas_.cloneNode(true);
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if (canvas.children[0] !== undefined) {
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canvas.removeAttribute("transform");
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// does not work in react
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// var cssContent = Blockly.Css.CONTENT.join('');
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var cssContent = '';
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for (var i = 0; i < document.getElementsByTagName('style').length; i++) {
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if(/^blockly.*$/.test(document.getElementsByTagName('style')[i].id)){
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cssContent += document.getElementsByTagName('style')[i].firstChild.data.replace(/\..* \./g, '.');
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}
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}
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// ensure that fill-opacity is 1, because there cannot be a replacing
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// https://github.com/google/blockly/pull/3431/files#diff-00254795773903d3c0430915a68c9521R328
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cssContent += `.blocklyPath {
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fill-opacity: 1;
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} `;
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var css = '<defs><style type="text/css" xmlns="http://www.w3.org/1999/xhtml"><![CDATA[' + cssContent + ']]></style></defs>';
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var bbox = document.getElementsByClassName("blocklyBlockCanvas")[0].getBBox();
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var content = new XMLSerializer().serializeToString(canvas);
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var xml = `<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
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width="${bbox.width}" height="${bbox.height}" viewBox="${bbox.x} ${bbox.y} ${bbox.width} ${bbox.height}">
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${css}">${content}</svg>`;
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var fileName = detectWhitespacesAndReturnReadableResult(this.state.name);
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this.props.workspaceName(this.state.name);
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fileName = `${fileName}.svg`
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var blob = new Blob([xml], { type: 'image/svg+xml;base64' });
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saveAs(blob, fileName);
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}
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}
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createFileName = (filetype) => {
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this.setState({file: filetype}, () => {
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if(this.state.name){
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this.state.file === 'xml' ? this.saveXmlFile() : this.getSvg()
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}
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else{
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this.setState({ saveFile: true, file: filetype, open: true, title: this.state.file === 'xml' ? 'Blöcke speichern' : 'Screenshot erstellen', content: `Bitte gib einen Namen für die Bennenung der ${this.state.file === 'xml' ? 'XML' : 'SVG'}-Datei ein und bestätige diesen mit einem Klick auf 'Eingabe'.` });
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}
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});
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}
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setFileName = (e) => {
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this.setState({name: e.target.value});
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}
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uploadXmlFile = (xmlFile) => {
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if(xmlFile.type !== 'text/xml'){
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this.setState({ open: true, file: false, title: 'Unzulässiger Dateityp', content: 'Die übergebene Datei entsprach nicht dem geforderten Format. Es sind nur XML-Dateien zulässig.' });
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}
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else {
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var reader = new FileReader();
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reader.readAsText(xmlFile);
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reader.onloadend = () => {
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var xmlDom = null;
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try {
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xmlDom = Blockly.Xml.textToDom(reader.result);
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const workspace = Blockly.getMainWorkspace();
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var xmlBefore = this.props.xml;
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workspace.clear();
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this.props.clearStats();
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Blockly.Xml.domToWorkspace(xmlDom, workspace);
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if(workspace.getAllBlocks().length < 1){
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Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xmlBefore), workspace)
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this.setState({ open: true, file: false, title: 'Keine Blöcke', content: 'Es wurden keine Blöcke detektiert. Bitte überprüfe den XML-Code und versuche es erneut.' });
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}
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else {
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if(!this.props.solutionCheck){
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var extensionPosition = xmlFile.name.lastIndexOf('.');
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this.props.workspaceName(xmlFile.name.substr(0, extensionPosition));
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}
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this.setState({ snackbar: true, key: Date.now(), message: 'Das Projekt aus gegebener XML-Datei wurde erfolgreich eingefügt.' });
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}
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} catch(err){
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this.setState({ open: true, file: false, title: 'Ungültige XML', content: 'Die XML-Datei konnte nicht in Blöcke zerlegt werden. Bitte überprüfe den XML-Code und versuche es erneut.' });
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}
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};
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}
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}
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renameWorkspace = () => {
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this.props.workspaceName(this.state.name);
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this.toggleDialog();
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this.setState({ snackbar: true, key: Date.now(), message: `Das Projekt wurde erfolgreich in '${this.state.name}' umbenannt.` });
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}
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resetWorkspace = () => {
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const workspace = Blockly.getMainWorkspace();
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Blockly.Events.disable(); // https://groups.google.com/forum/#!topic/blockly/m7e3g0TC75Y
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// if events are disabled, then the workspace will be cleared AND the blocks are not in the trashcan
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const xmlDom = Blockly.Xml.textToDom(initialXml)
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Blockly.Xml.clearWorkspaceAndLoadFromXml(xmlDom, workspace);
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Blockly.Events.enable();
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workspace.options.maxBlocks = Infinity;
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this.props.onChangeCode();
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this.props.clearStats();
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if(!this.props.solutionCheck){
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this.props.workspaceName(null);
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}
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this.setState({ snackbar: true, key: Date.now(), message: 'Das Projekt wurde erfolgreich zurückgesetzt.' });
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}
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render() {
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return (
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<div style={{width: 'max-content', display: 'flex'}}>
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{!this.props.solutionCheck ?
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<Tooltip title={`Name des Projekts${this.props.name ? `: ${this.props.name}` : ''}`} arrow style={{marginRight: '5px'}}>
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<div className={this.props.classes.workspaceName} onClick={() => {this.setState({file: true, open: true, saveFile: false, title: 'Projekt benennen', content: 'Bitte gib einen Namen für das Projekt ein und bestätige diesen mit einem Klick auf \'Eingabe\'.'})}}>
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{this.props.name && !isWidthDown('xs', this.props.width) ? <Typography style={{margin: 'auto -3px auto 12px'}}>{this.props.name}</Typography> : null}
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<div style={{width: '40px', display: 'flex'}}>
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<FontAwesomeIcon icon={faPen} style={{height: '18px', width: '18px', margin: 'auto'}}/>
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</div>
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</div>
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</Tooltip>
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: null}
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{this.props.solutionCheck ? <SolutionCheck /> : <Compile iconButton />}
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<Tooltip title='Blöcke speichern' arrow style={{marginRight: '5px'}}>
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<IconButton
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className={this.props.classes.button}
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onClick={() => {this.createFileName('xml');}}
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>
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<FontAwesomeIcon icon={faSave} size="xs"/>
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</IconButton>
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</Tooltip>
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<div ref={this.inputRef} style={{width: 'max-content', height: '40px', marginRight: '5px'}}>
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<input
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style={{display: 'none'}}
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accept="text/xml"
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onChange={(e) => {this.uploadXmlFile(e.target.files[0])}}
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id="open-blocks"
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type="file"
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/>
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<label htmlFor="open-blocks">
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<Tooltip title='Blöcke öffnen' arrow style={{marginRight: '5px'}}>
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<div className={this.props.classes.button} style={{borderRadius: '50%', cursor: 'pointer', display: 'table-cell',
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verticalAlign: 'middle',
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textAlign: 'center'}}>
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<FontAwesomeIcon icon={faUpload} style={{width: '18px', height: '18px'}}/>
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</div>
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</Tooltip>
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</label>
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</div>
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<Tooltip title='Screenshot erstellen' arrow style={{marginRight: '5px'}}>
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<IconButton
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className={this.props.classes.button}
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onClick={() => {this.createFileName('svg');}}
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>
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<FontAwesomeIcon icon={faCamera} size="xs" />
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</IconButton>
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</Tooltip>
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<Tooltip title='Workspace zurücksetzen' arrow>
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<IconButton
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className={this.props.classes.button}
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onClick={() => this.resetWorkspace()}
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>
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<FontAwesomeIcon icon={faShare} size="xs" flip='horizontal'/>
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</IconButton>
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</Tooltip>
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<Dialog
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open={this.state.open}
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title={this.state.title}
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content={this.state.content}
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onClose={this.toggleDialog}
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onClick={this.state.file ? () => {this.toggleDialog(); this.setState({name: this.props.name})} : this.toggleDialog}
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button={this.state.file ? 'Abbrechen' : 'Schließen'}
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>
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{this.state.file ?
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<div style={{marginTop: '10px'}}>
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<TextField autoFocus placeholder={this.state.saveXml ?'Dateiname' : 'Projektname'} value={this.state.name} onChange={this.setFileName} style={{marginRight: '10px'}}/>
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<Button disabled={!this.state.name} variant='contained' color='primary' onClick={() => {this.state.saveFile ? this.state.file === 'xml' ? this.saveXmlFile() : this.getSvg() : this.renameWorkspace(); this.toggleDialog();}}>Eingabe</Button>
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</div>
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: null}
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</Dialog>
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<Snackbar
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open={this.state.snackbar}
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message={this.state.message}
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type='success'
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key={this.state.key}
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/>
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</div>
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);
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};
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}
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WorkspaceFunc.propTypes = {
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arduino: PropTypes.string.isRequired,
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xml: PropTypes.string.isRequired,
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name: PropTypes.string,
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clearStats: PropTypes.func.isRequired,
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onChangeCode: PropTypes.func.isRequired,
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workspaceName: PropTypes.func.isRequired
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};
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const mapStateToProps = state => ({
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arduino: state.workspace.code.arduino,
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xml: state.workspace.code.xml,
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name: state.workspace.name
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});
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export default connect(mapStateToProps, { clearStats, onChangeCode, workspaceName })(withStyles(styles, {withTheme: true})(withWidth()(WorkspaceFunc)));
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