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PrintingTXTSample.js
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class PrintingTXTSample extends React.Component {
constructor(props) {
super(props);
this.state = {
txtFile: null,
txtContent: null,
selectedPrinterIndex: 0,
printerName: "",
printerTrayName: "",
printerPaperName: "",
installedFonts: [],
fontName: "Arial",
fontSize: 8,
fontBold: false,
fontItalic: false,
fontUnderline: false,
fontStrikethrough: false,
textAlign: "Left",
fontColor: "#000000",
printOrientation: "Portrait"
};
}
setPrinterState(event) {
this.setState({ selectedPrinterIndex: event.target.value });
this.state.printerName = this.props.printersInfo[event.target.value].name;
}
setData(event) {
this.state[event.target.name] = event.target.checked ? event.target.checked : event.target.value;
}
setFontStyle(event) {
//no need for re-render
var val = event.currentTarget.classList.contains("active");
var name = event.currentTarget.querySelector("input").name;
this.state[name] = val;
}
setTextAlign(event) {
var val = event.currentTarget.classList.contains("active");
var name = event.currentTarget.querySelector("input").name;
var textAlign = "Left";
if (val && name == "CenterAlign") textAlign = "Center";
if (val && name == "RightAlign") textAlign = "Right";
if (val && name == "JustifyAlign") textAlign = "Justify";
if (val && name == "NoneAlign") textAlign = "None";
this.state["textAlign"] = textAlign;
}
setInstalledFonts(fontsList) {
this.setState({ installedFonts: fontsList });
}
setTxtFile(event) {
if (event.target.name == "input-local-txt-file") this.state.txtFile = Array.from(event.target.files);
else this.state.txtFile = [event.target.value];
}
setCustomPaper(event){
this.setState({"printerPaperName" : event.target.value});
}
createPrintJob() {
//no need to re-render
let cpj = new JSPM.ClientPrintJob();
cpj.clientPrinter = new JSPM.InstalledPrinter(this.state.printerName, false, this.state.printerTrayName, this.state.printerPaperName);
if (this.state.txtContent || this.state.txtFile) {
let myTxtFile;
if (this.state.txtFile) {
// txt from file or URL
if (this.state.txtFile[0].name)
myTxtFile = new JSPM.PrintFileTXT(this.state.txtFile[0], this.state.txtFile[0].name, 1, JSPM.FileSourceType.BLOB);
else
myTxtFile = new JSPM.PrintFileTXT(this.state.txtFile[0], "myFileToPrint.txt", 1, JSPM.FileSourceType.ExternalURL);
} else {
// plain text content
myTxtFile = new JSPM.PrintFileTXT(this.state.txtContent, "myFileToPrint.txt", 1);
}
myTxtFile.textAligment = JSPM.TextAlignment[this.state.textAlign];
myTxtFile.fontName = this.state.fontName;
myTxtFile.fontBold = this.state.fontBold;
myTxtFile.fontItalic = this.state.fontItalic;
myTxtFile.fontUnderline = this.state.fontUnderline;
myTxtFile.fontStrikethrough = this.state.fontStrikethrough;
myTxtFile.fontSize = parseFloat(this.state.fontSize);
myTxtFile.fontColor = this.state.fontColor;
myTxtFile.printOrientation = JSPM.PrintOrientation[this.state.printOrientation];
cpj.files.push(myTxtFile);
}
return cpj;
}
doPrinting() {
let cpj = this.createPrintJob();
if (cpj) {
cpj.sendToClient();
}
}
componentDidMount() {
JSPM.JSPrintManager.Caller = this;
//get installed fonts
JSPM.JSPrintManager.getSystemFonts().then(function(fontsList) {
JSPM.JSPrintManager.Caller.setInstalledFonts(fontsList);
});
}
render() {
let demoContent;
let installedPrinters = this.props.printersInfo;
if (!installedPrinters || this.state.installedFonts.length == 0) {
demoContent = (
<div className="row">
<div className="col-md-12">
<div className="text-center">
<img src="loading.gif" id="loadingPrintersInfo" />
<br />
<strong>Getting printers info and system fonts...</strong>
</div>
</div>
</div>
);
} else {
let systemFonts = this.state.installedFonts;
let selPrinter = installedPrinters[this.state.selectedPrinterIndex];
let customPaperOption;
if (selPrinter.customPaperSupport){
customPaperOption = (<div><span><strong>or</strong></span><br/>
<div className="input-group input-group-sm mb-3">
<div className="input-group-prepend">
<span className="input-group-text" id="basic-addon1">Custom Paper:</span>
</div>
<input type="text" name="printScale" className="form-control" aria-label="Custom Paper" aria-describedby="basic-addon1" onChange={this.setCustomPaper.bind(this)} placeholder="Custom.WIDTHxHEIGHTin" />
<small>
<div className="alert alert-warning">
<strong>Valid formats:</strong><br/>
Custom.WIDTHxHEIGHTin<br/>
Custom.WIDTHxHEIGHTcm<br/>
Custom.WIDTHxHEIGHTmm
</div>
</small>
</div>
</div>
);
}
demoContent = (
<div className="row">
<div className="col-md-12">
<div className="form-group">
<div className="row">
<div className="col-md-12">
<strong>Font Settings & Style</strong>
</div>
</div>
<div className="row">
<div className="col-md-12">
<div className="btn-toolbar" role="toolbar">
<div className="btn-group btn-group-sm" role="group">
<select className="form-control form-control-sm" name="fontName" onChange={this.setData.bind(this)}>
{systemFonts.map(function(i) {
let opt = (
<option key={i} value={i}>
{i}
</option>
);
return opt;
})}
</select>
</div>
<div className="btn-group btn-group-sm" role="group">
<select className="form-control form-control-sm" name="fontSize" onChange={this.setData.bind(this)}>
<option>8</option>
<option>10</option>
<option>12</option>
<option>14</option>
<option>16</option>
</select>
</div>
<div className="btn-group-toggle btn-group-sm" data-toggle="buttons">
<label className="btn btn-light" onClick={this.setFontStyle.bind(this)} title="Bold">
<input type="checkbox" autoComplete="off" name="fontBold" />
<i className="fa fa-bold" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setFontStyle.bind(this)} title="Italic">
<input type="checkbox" autoComplete="off" name="fontItalic" />
<i className="fa fa-italic" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setFontStyle.bind(this)} title="Underline">
<input type="checkbox" autoComplete="off" name="fontUnderline" />
<i className="fa fa-underline" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setFontStyle.bind(this)} title="Strikethrough">
<input type="checkbox" autoComplete="off" name="fontStrikethrough" />
<i className="fa fa-strikethrough" aria-hidden="true" />
</label>
</div>
<div className="btn-group btn-group-sm btn-group-toggle" data-toggle="buttons">
<label className="btn btn-light active" onClick={this.setTextAlign.bind(this)} title="Left Alignment">
<input type="radio" name="LeftAlign" autoComplete="off" defaultChecked />
<i className="fa fa-align-left" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setTextAlign.bind(this)} title="Center Alignment">
<input type="radio" name="CenterAlign" autoComplete="off" />
<i className="fa fa-align-center" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setTextAlign.bind(this)} title="Right Alignment">
<input type="radio" name="RightAlign" autoComplete="off" />
<i className="fa fa-align-right" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setTextAlign.bind(this)} title="Justify Alignment">
<input type="radio" name="JustifyAlign" autoComplete="off" />
<i className="fa fa-align-justify" aria-hidden="true" />
</label>
<label className="btn btn-light" onClick={this.setTextAlign.bind(this)} title="No Alignment">
<input type="radio" name="NoneAlign" autoComplete="off" />
<i className="fa fa-bars" aria-hidden="true" />
</label>
</div>
<div className="btn-group btn-group-sm" role="group">
<input type="color" name="fontColor" defaultValue="#000000" onChange={this.setData.bind(this)} />
</div>
</div>
</div>
</div>
<div className="row">
<div className="col-md-12">
<strong>Text Source</strong>
<ul className="nav nav-tabs" id="myTabTxt" role="tablist">
<li className="nav-item">
<a className="nav-link active" id="plain-txt-tab" data-toggle="tab" href="#plain-txt" role="tab" aria-controls="plain-txt" aria-selected="true">
Plain Text
</a>
</li>
<li className="nav-item">
<a className="nav-link" id="local-txt-file-tab" data-toggle="tab" href="#local-txt-file" role="tab" aria-controls="local-txt-file" aria-selected="true">
Local TXT File
</a>
</li>
<li className="nav-item">
<a className="nav-link" id="remote-txt-file-tab" data-toggle="tab" href="#remote-txt-file" role="tab" aria-controls="remote-txt-file" aria-selected="false">
TXT File from URL
</a>
</li>
</ul>
<div className="tab-content" id="myTabTxtContent">
<div className="tab-pane fade show active" id="plain-txt" role="tabpanel" aria-labelledby="plain-txt">
<br />
<textarea className="form-control form-control-sm" name="txtContent" onChange={this.setData.bind(this)} defaultValue="Type or copy/paste text here..." />
</div>
<div className="tab-pane fade" id="local-txt-file" role="tabpanel" aria-labelledby="local-txt-file">
<br />
<input name="input-local-txt-file" type="file" className="form-control-file" onChange={this.setTxtFile.bind(this)} />
</div>
<div className="tab-pane fade" id="remote-txt-file" role="tabpanel" aria-labelledby="remote-txt-file">
<br />
URL for TXT File{" "}
<small>
(e.g.{" "}
<a href="https://neodynamic.com/temp/LoremIpsum.txt" target="_blank">
https://neodynamic.com/temp/LoremIpsum.txt
</a>)
</small>
<input name="input-file-url" className="form-control form-control-sm" onChange={this.setTxtFile.bind(this)} />
</div>
<br />
</div>
</div>
</div>
<div className="row">
<div className="col-md-12">
<br />
<div className="alert alert-info">
<strong>Target Printer</strong>
</div>
</div>
</div>
<div className="row">
<div className="col-md-3">
<label>Printer:</label>
<select className="form-control form-control-sm" onChange={this.setPrinterState.bind(this)}>
{installedPrinters.map(function(item, i) {
let opt = (
<option key={i} value={i}>
{item.name}
</option>
);
return opt;
})}
</select>
</div>
<div className="col-md-3">
<label>Tray:</label>
<select className="form-control form-control-sm" name="printerTrayName" onChange={this.setData.bind(this)}>
{selPrinter.trays.map(function(item, i) {
let opt = (
<option key={i} value={item}>
{item}
</option>
);
return opt;
})}
</select>
</div>
<div className="col-md-3">
<label>Paper:</label>
<select className="form-control form-control-sm" name="printerPaperName" onChange={this.setData.bind(this)}>
{selPrinter.papers.map(function(item, i) {
let opt = (
<option key={i} value={item}>
{item}
</option>
);
return opt;
})}
</select>
{customPaperOption}
</div>
<div className="col-md-3">
<label>Print Orientation:</label>
<select className="form-control form-control-sm" name="printOrientation" onChange={this.setData.bind(this)}>
<option>Portrait</option>
<option>Landscape</option>
</select>
</div>
</div>
<br />
<div className="row">
<div className="col-md-12">
<br />
<div className="text-center">
<button className="btn btn-success btn-lg" onClick={this.doPrinting.bind(this)}>
<i className="fa fa-print" /> Print Text Now...
</button>
</div>
</div>
</div>
</div>
</div>
</div>
);
}
return (
<div>
<div className="row">
<div className="col-md-1">
<button className="btn btn-dark btn-lg" onClick={() => this.props.setSample(0)}>
<i className="fa fa-arrow-left" />
</button>
</div>
<div className="col-md-11">
<h2 className="text-center">
<i className="fa fa-file-text-o" /> Advanced TXT Printing
</h2>
<hr />
</div>
</div>
{demoContent}
</div>
);
}
}
window.PrintingTXTSample = PrintingTXTSample;