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addressvalidator.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>addressvalidator.html</title>
<style type="text/css">
.end-element { fill : #FFCCFF; }
</style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/raphael/2.3.0/raphael.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/flowchart/1.17.1/flowchart.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.1/js/bootstrap.bundle.min.js"></script>
<!-- <script src="../release/flowchart.min.js"></script> -->
<script>
window.onload = function () {
var btn = document.getElementById("run"),
cd = document.getElementById("code"),
chart;
(btn.onclick = function () {
var code = cd.value;
if (chart) {
chart.clean();
}
chart = flowchart.parse(code);
chart.drawSVG('canvas', {
'x': 0,
'y': 0,
'line-width': 3,
//'maxWidth': 15,//ensures the flowcharts fits within a certain width
'line-length': 50,
'text-margin': 10,
'font-size': 14,
'font': 'normal',
'font-family': 'Helvetica',
'font-weight': 'normal',
'font-color': 'black',
'line-color': 'black',
'element-color': 'black',
'fill': 'white',
'yes-text': 'yes',
'no-text': 'no',
'arrow-end': 'block',
'scale': 1,
'symbols': {
'start': {
'font-size': 14,
'font-color': 'yellow',
'element-color': 'blue',
'fill': 'green',
'class': 'start-element'
},
'inputoutput': {
'font-color': 'black',
'element-color': 'black',
'fill': 'bisque'
},
'operation': {
'font-color': 'black',
'element-color': 'black',
'fill': 'linen'
},
'subroutine': {
'font-color': 'black',
'element-color': 'blue',
'fill': 'lightgreen'
},
'condition': {
'font-color': 'red',
'element-color': 'black',
'fill': 'yellow'
},
'end':{
'font-size': 20,
'class': 'end-element'
}
},
'flowstate' : {
//'past' : { 'fill' : '#CCCCCC', 'font-size' : 12},
//'current' : {'fill' : 'yellow', 'font-color' : 'red', 'font-weight' : 'bold'},
//'future' : { 'fill' : '#FFFF99'},
'request' : { 'fill' : 'blue'},
'invalid': {'fill' : '#444444'},
'approved' : { 'fill' : '#58C4A3', 'font-size' : 12, 'yes-text' : 'APPROVED', 'no-text' : 'n/a' },
'rejected' : { 'fill' : '#C45879', 'font-size' : 12, 'yes-text' : 'n/a', 'no-text' : 'REJECTED' }
}
});
//create base64 encoding of SVG to generate download link for title(without html or htm).SVG
var currentCanvasDIV = document.getElementById('canvas')
var currentDrawSVG = currentCanvasDIV.innerHTML.replaceAll('ë','e');
const OUTsvgBASE64 = btoa(currentDrawSVG)
doctitle = document.title.replace('.html','');
doctitle = doctitle.replace('.htm','');
var currentCanvasDIV = document.getElementById('canvas')
var currentDrawSVG = currentCanvasDIV.innerHTML.replaceAll('ë','e');
svgSource = currentDrawSVG
svgXML = currentDrawSVG;
// Use SVG Height and Width from the SVG XML to set canvas size
svgXMLsubstringHeight = svgXML.substring(svgXML.indexOf('height='), svgXML.indexOf('version='));
svgXMLsubstringWidth = svgXML.substring(svgXML.indexOf('width='), svgXML.indexOf('xmlns='));
HeightValue = svgXMLsubstringHeight.substring(svgXMLsubstringHeight.indexOf('"')+1,svgXMLsubstringHeight.lastIndexOf('"'));
WidthValue = svgXMLsubstringWidth.substring(svgXMLsubstringWidth.indexOf('"')+1,svgXMLsubstringWidth.lastIndexOf('"'));
HeightValueInt = Math.round(HeightValue)
WidthValueInt = Math.round(WidthValue)
// setup input for base64SvgToBase64Png
let svgSrc = "data:image/svg+xml;base64,"+OUTsvgBASE64;
var pngBase
imageUtil.base64SvgToBase64Png(svgSrc, WidthValueInt, HeightValueInt).then(pngSrc => {
pngBase = pngSrc
// output download link for base64 PNG converted on download from base64
var pngOutHtml = `<a href="${pngBase}" download="${doctitle}.png">PNG - Click here to download current rendered flowchart as ${doctitle}.png</a>`
document.getElementById("pngbase64").innerHTML=pngOutHtml;
});
// output download link for base64 SVG converted on download from base64
var svgOutHtml = `<a href="data:image/svg+xml;base64,${OUTsvgBASE64}" download=${doctitle}.svg>SVG - Click here to download current rendered flowchart as ${doctitle}.svg</a> `
document.getElementById("svgbase64").innerHTML=svgOutHtml;
})();
};
// derived from https://stackoverflow.com/a/64800570
// we need to use web browser canvas to generate a image. In this case png
let imageUtil = {};
/**
* converts a base64 encoded data url SVG image to a PNG image
* @param originalBase64 data url of svg image
* @param width target width in pixel of PNG image
* @param secondTry used internally to prevent endless recursion
* @return {Promise<unknown>} resolves to png data url of the image
*/
imageUtil.base64SvgToBase64Png = function (originalBase64, width, height, secondTry) {
return new Promise(resolve => {
let img = document.createElement('img');
img.onload = function () {
if (!secondTry && (img.naturalWidth === 0 || img.naturalHeight === 0)) {
let svgDoc = base64ToSvgDocument(originalBase64);
let fixedDoc = fixSvgDocumentFF(svgDoc);
return imageUtil.base64SvgToBase64Png(svgDocumentToBase64(fixedDoc), width, height, true).then(result => {
resolve(result);
});
}
//document.body.appendChild(img);
let canvas2 = document.createElement("canvas");
//document.body.removeChild(img);
canvas2.width = width;
canvas2.height = height;
let ctx = canvas2.getContext("2d");
ctx.drawImage(img, 0, 0, canvas2.width, canvas2.height);
try {
let data = canvas2.toDataURL('image/png');
resolve(data);
} catch (e) {
resolve(null);
}
};
img.src = originalBase64;
});
}
//needed because Firefox doesn't correctly handle SVG with size = 0, see https://bugzilla.mozilla.org/show_bug.cgi?id=700533
function fixSvgDocumentFF(svgDocument) {
try {
let widthInt = parseInt(svgDocument.documentElement.width.baseVal.value) || 500;
let heightInt = parseInt(svgDocument.documentElement.height.baseVal.value) || 500;
svgDocument.documentElement.width.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PX, widthInt);
svgDocument.documentElement.height.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PX, heightInt);
return svgDocument;
} catch (e) {
return svgDocument;
}
}
function svgDocumentToBase64(svgDocument) {
try {
let base64EncodedSVG = btoa(new XMLSerializer().serializeToString(svgDocument));
return 'data:image/svg+xml;base64,' + base64EncodedSVG;
} catch (e) {
return null;
}
}
function base64ToSvgDocument(base64) {
let svg = atob(base64.substring(base64.indexOf('base64,') + 7));
svg = svg.substring(svg.indexOf('<svg'));
let parser = new DOMParser();
return parser.parseFromString(svg, "image/svg+xml");
}
</script>
<script>
function HelpText() {
var x = document.getElementById("HelpTextBlock");
if (x.style.display === "none") {
x.style.display = "block";
} else {
x.style.display = "none";
}
}
</script>
</head>
<body>
<div><textarea id="code" style="width: 100%;" rows="11">op2=>operation: '\nAddress validator module.\n'
op4=>operation: from Queue import Empty
op6=>operation: from PyQt4 import QtGui
op8=>operation: from addresses import decodeAddress, addBMIfNotPresent
op10=>operation: from bmconfigparser import config
op12=>operation: from queues import apiAddressGeneratorReturnQueue, addressGeneratorQueue
op14=>operation: from tr import _translate
op16=>operation: from utils import str_chan
op18=>operation: class AddressPassPhraseValidatorMixin(object):
'Bitmessage address or passphrase validator class for Qt UI'
def setParams(self, passPhraseObject=None, addressObject=None, feedBackObject=None, buttonBox=None, addressMandatory=True):
'Initialisation'
self.addressObject = addressObject
self.passPhraseObject = passPhraseObject
self.feedBackObject = feedBackObject
self.buttonBox = buttonBox
self.addressMandatory = addressMandatory
self.isValid = False
self.okButtonLabel = self.buttonBox.button(QtGui.QDialogButtonBox.Ok).text()
def setError(self, string):
'Indicate that the validation is pending or failed'
if ((string is not None) and (self.feedBackObject is not None)):
font = QtGui.QFont()
font.setBold(True)
self.feedBackObject.setFont(font)
self.feedBackObject.setStyleSheet('QLabel { color : red; }')
self.feedBackObject.setText(string)
self.isValid = False
if self.buttonBox:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setEnabled(False)
if ((string is not None) and (self.feedBackObject is not None)):
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setText(_translate('AddressValidator', 'Invalid'))
else:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setText(_translate('AddressValidator', 'Validating...'))
def setOK(self, string):
'Indicate that the validation succeeded'
if ((string is not None) and (self.feedBackObject is not None)):
font = QtGui.QFont()
font.setBold(False)
self.feedBackObject.setFont(font)
self.feedBackObject.setStyleSheet('QLabel { }')
self.feedBackObject.setText(string)
self.isValid = True
if self.buttonBox:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setEnabled(True)
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setText(self.okButtonLabel)
def checkQueue(self):
'Validator queue loop'
gotOne = False
if (not addressGeneratorQueue.empty()):
self.setError(None)
return None
while True:
try:
addressGeneratorReturnValue = apiAddressGeneratorReturnQueue.get(False)
except Empty:
if gotOne:
break
else:
return None
else:
gotOne = True
if (not addressGeneratorReturnValue):
self.setError(_translate('AddressValidator', 'Address already present as one of your identities.'))
return (QtGui.QValidator.Intermediate, 0)
if (addressGeneratorReturnValue[0] == 'chan name does not match address'):
self.setError(_translate('AddressValidator', "Although the Bitmessage address you entered was valid, it doesn't match the chan name."))
return (QtGui.QValidator.Intermediate, 0)
self.setOK(_translate('MainWindow', 'Passphrase and address appear to be valid.'))
def returnValid(self):
'Return the value of whether the validation was successful'
if self.isValid:
return QtGui.QValidator.Acceptable
return QtGui.QValidator.Intermediate
def validate(self, s, pos):
'Top level validator method'
if (self.addressObject is None):
address = None
else:
address = str(self.addressObject.text().toUtf8())
if (address == ''):
address = None
if (self.passPhraseObject is None):
passPhrase = ''
else:
passPhrase = str(self.passPhraseObject.text().toUtf8())
if (passPhrase == ''):
passPhrase = None
if (passPhrase is None):
self.setError(_translate('AddressValidator', "Chan name/passphrase needed. You didn't enter a chan name."))
return (QtGui.QValidator.Intermediate, pos)
if (self.addressMandatory or (address is not None)):
if (address in config.addresses()):
self.setError(_translate('AddressValidator', 'Address already present as one of your identities.'))
return (QtGui.QValidator.Intermediate, pos)
if (decodeAddress(address)[0] == 'versiontoohigh'):
self.setError(_translate('AddressValidator', 'Address too new. Although that Bitmessage address might be valid, its version number is too new for us to handle. Perhaps you need to upgrade Bitmessage.'))
return (QtGui.QValidator.Intermediate, pos)
if (decodeAddress(address)[0] != 'success'):
self.setError(_translate('AddressValidator', 'The Bitmessage address is not valid.'))
return (QtGui.QValidator.Intermediate, pos)
if (not self.buttonBox.button(QtGui.QDialogButtonBox.Ok).hasFocus()):
self.setError(None)
if (address is None):
addressGeneratorQueue.put(('createChan', 4, 1, ((str_chan + ' ') + str(passPhrase)), passPhrase, False))
else:
addressGeneratorQueue.put(('joinChan', addBMIfNotPresent(address), '{} {}'.format(str_chan, passPhrase), passPhrase, False))
if self.buttonBox.button(QtGui.QDialogButtonBox.Ok).hasFocus():
return (self.returnValid(), pos)
return (QtGui.QValidator.Intermediate, pos)
def checkData(self):
'Validator Qt signal interface'
return self.validate('', 0)
op20=>operation: class AddressValidator(QtGui.QValidator, AddressPassPhraseValidatorMixin):
'AddressValidator class for Qt UI'
def __init__(self, parent=None, passPhraseObject=None, feedBackObject=None, buttonBox=None, addressMandatory=True):
super(AddressValidator, self).__init__(parent)
self.setParams(passPhraseObject, parent, feedBackObject, buttonBox, addressMandatory)
op22=>operation: class PassPhraseValidator(QtGui.QValidator, AddressPassPhraseValidatorMixin):
'PassPhraseValidator class for Qt UI'
def __init__(self, parent=None, addressObject=None, feedBackObject=None, buttonBox=None, addressMandatory=False):
super(PassPhraseValidator, self).__init__(parent)
self.setParams(parent, addressObject, feedBackObject, buttonBox, addressMandatory)
op2->op4
op4->op6
op6->op8
op8->op10
op10->op12
op12->op14
op14->op16
op16->op18
op18->op20
op20->op22
</textarea></div>
<div><button id="run" type="button">Run</button> <button onclick="HelpText()">Format Help</button></div>
<div id="HelpTextBlock" style="display:none"><br/>Conditions can also be redirected like cond(yes, bottom) or cond(yes, right)
... and the other symbols too... like sub1(right)<br/>
You can also tweak the <b>diagram.drawSVG('diagram', {});</b> script in this file for more changes<br/>
This is based on <a href="https://github.com/adrai/flowchart.js">flowchart.js on github</a> and <a href="http://flowchart.js.org">http://flowchart.js.org</a> more documentation can be found over there.
</div><br/><div id="svgbase64"></div>
<div id="pngbase64"></div>
<div id="canvas"></div>
</body>
</html>