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// js/driveReplace.js
var xmlHttp;
// getDrive(driveLetter)
// Set the user.userDefaultDrive in the database and call stateChanged[] when done.
function getDrive(driveLetter,dataFolder='') {
console.log(`${PC}getDrive[driveLetter=${driveLetter} dataFolder=${dataFolder}]`,CG);
xmlHttp=GetXmlHttpObject();
if (xmlHttp === null) {
alert ("Your browser does not support AJAX!");
return;
}
if ( dataFolder == 'userDataFolder' ) { dataFolder = document.getElementById('userDataFolder').value; console.log(`${PC}dataFolder=${dataFolder}`,CL); }
//alert('getDrive() driveLetter=['+driveLetter+']');
var url=pageURL;
url=url+"?driveSelection="+driveLetter;
if ( dataFolder !== false ) { url=url+'&dataFolder='+dataFolder; }
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
console.log(`${PC}url=${url}`,CL);
xmlHttp.open("GET",url);
xmlHttp.send(null);
} // END getDrive.
// setDrive(driveLetter)
// Set the img_filterImage marginLeft and marginTop and show/hide the replaceDrive div.
function setDrive(driveLetter) {
console.log(`${PC}setDrive[driveLetter=${driveLetter}]`,CG);
if (driveLetter.length <= 1) {
let newdriveLetter = driveLetter;
if (newdriveLetter === '' ) { newdriveLetter = 'C'; }
document.getElementById('hid_driveSelection').value = newdriveLetter;
//alert('numberForms='+numberForms+' driveLetter='+driveLetter);
for (i=1; i<=numberForms; i++) {
e = document.getElementById('driveSelected' + i);
e.value = newdriveLetter+':';
}
for ( i=1; i<=numberImages; i++ ) {
console.log('i='+i);
if ( document.getElementById('img_driveImage'+i) ) {
document.getElementById('img_driveImage'+i).src='../folder'+newdriveLetter+'.png';
}
}
if (document.getElementById('img_filterImage')) {
/** /
driveNumber = ascii_value(driveLetter)-65;
driveColumn = driveNumber % 13;
driveRow = parseInt((driveNumber+0.01)/13);
/**/
driveNumber = ascii_value(newdriveLetter)-64;
driveColumn = (driveNumber - 1) % 13;
driveRow = parseInt((driveNumber - .991)/13);
driveRowYstart = driveRow*24;
offsetY = (driveRowYstart);
driveColumnXstart = driveColumn*37;
offsetX = (driveColumnXstart-480);
console.log(`${PC}driveNumber=${driveNumber} driveColumn=${driveColumn} driveRow=${driveRow} offsetX=${offsetX} offsetY=${offsetY}`,CL);
eid = document.getElementById('img_filterImage');
eid.style.marginLeft = offsetX+"px";
eid.style.marginTop = offsetY+"px";
}
if (document.getElementById('replaceDrive')) {
//alert('replaceDrive true '+driveLetter+':');
if (newdriveLetter === defaultDriveLetter) {
divHide('replaceDrive');
} else {
divShow('replaceDrive');
}
}
} else {
alert('Error in setDrive()\n\ndriveLetter='+driveLetter);
}
} // END setDrive.
// stateChanged()
// function called by xmlHttp request onreadystatechange.
function stateChanged() {
console.log(`${PC}stateChanged[]`,CG);
if ( xmlHttp.readyState === 4 ) {
setDrive(innerHTML=xmlHttp.responseText);
}
} // END stateChanged.
// GetXmlHttpObject()
// Begin a new XMLHttpRequest.
function GetXmlHttpObject() {
var xmlHttp=null;
try {
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e) {
// Internet Explorer
try {
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
} // END GetXmlHttpObject.
// ascii_value(c)
// Return the ascii value of the character, c.
function ascii_value(c) {
console.log(`${PC}ascii_value[c=${c}]`,CG);
// restrict input to a single character
c = c . charAt (0);
// loop through all possible ASCII values
var i;
var h;
for (i = 0; i < 256; ++ i) {
// convert i into a 2-digit hex string
h = i . toString (16);
if (h . length === 1) {
h = "0" + h;
}
// insert a % character into the string
h = "%" + h;
// determine the character represented by the escape code
h = unescape (h);
// if the characters match, we've found the ASCII value
if (h === c) {
break;
}
}
return i;
} // END ascii_value.
// DisplayStyle(element)
function DisplayStyle(Type,Element) {
console.log(`${PC}DisplayStyle[Type=${Type} Element=${Element}]`,CG);
//console.warn('DisplayStyle[Type='+Type+',Element='+Element.id+']');
var StyleDisplay = Element.style.display;
//console.log('StyleDisplay='+StyleDisplay);
if ( StyleDisplay === '' || StyleDisplay === 'none' ) { // Is the StyleDisplay empty?
var StyleDisplays = { inp:'inline', ol:'block', spn:'inline' };
switch ( Type ) { // Switch Type.
case 'inp':
case 'ol':
case 'spn':
StyleDisplay = StyleDisplays[Type];
break;
default:
StyleDisplay = 'inline';
} // Switch Prefix.
//console.log('StyleDisplay='+StyleDisplay);
}
return StyleDisplay;
} // END DisplayStyle.
// SwapWinMacLinux(ShowOS,IdNumber)
// Swap between Windows, Mac, and Linux instructions. Will show ol and hide spn and inp elements for the ShowOS.
// ShowOS = the OS to show instructions for.
// IdNumber = the IdNumber of the instruction.
function SwapWinMacLinux(ShowOS,IdNumbers) {
console.log(`${PC}SwapWinMacLinux[ShowOS=${ShowOS} IdNumbers=${IdNumbers}]`,CG);
console.warn('SwapWinMacLinux[ShowOS='+ShowOS+',IdNumbers='+IdNumbers+']');
console.log('IdNumbers='+IdNumbers+' typeof IdNumbers='+(typeof IdNumbers));
if ( typeof IdNumbers == 'number' ) { IdNumbers = [IdNumbers] ; } // Convert single IdNumbers to array.
var e;
var Element;
var ElementHides = ['inp']; // Hide these elements for ShowOS and show them for other OSes.
var ElementId;
var ElementShows = ['spn','ol']; // Show these elements for ShowOS and hide them for other OSes.
var ElementType;
var h;
var i;
var IdNumber;
var OtherOS;
var OtherOSes;
switch ( ShowOS ) {
case 'lin':
OtherOSes = ['mac','win'];
//OtherOSes = ['win'];
if ( typeof userDataFolderOriginal !== 'undefined' ) {
let userDataFolder = userDataFolderOriginal;
if ( userDataFolder == '' ) { userDataFolder = ''; }
getDrive('',userDataFolder);
}
break;
case 'mac':
OtherOSes = ['lin','win'];
break;
case 'win':
OtherOSes = ['lin','mac'];
//OtherOSes = ['lin'];
if ( typeof userDataFolderOriginal !== 'undefined' ) {
let userDefaultDrive = userDefaultDriveOriginal;
if ( userDefaultDrive == '' ) { userDefaultDrive = 'C'; }
getDrive(userDefaultDrive,'');
}
break;
}
console.log('OtherOSes='+OtherOSes);
for ( i=0; i<IdNumbers.length; i++ ) { // Loop thru IdNumbers.
IdNumber = IdNumbers[i];
// Hide ShowOS button.
console.warn('Hide ShowOS button.');
for ( e=0; e<ElementHides.length; e++ ) {
ElementType = ElementHides[e];
ElementId = ElementType+'_'+ShowOS+'_'+IdNumber;
console.log('Hide '+ElementId+'.');
Element = document.getElementById(ElementId);
if ( Element ) { // Does the ElementId element exist?
Element.style.display = 'none';
} // Does the ElementId element exist?
}
// Show other OS buttons.
console.warn('Show other OS buttons.');
for ( h=0; h<OtherOSes.length; h++ ) { // Loop thru OtherOSes.
OtherOS = OtherOSes[h];
for ( e=0; e<ElementHides.length; e++ ) {
ElementType = ElementHides[e];
ElementId = ElementType+'_'+OtherOS+'_'+IdNumber;
console.log('Show '+ElementId+'.');
Element = document.getElementById(ElementId);
if ( Element ) { // Does the ElementId element exist?
StyleDisplay = DisplayStyle(ElementType,Element);
Element.style.display = StyleDisplay;
console.log(ElementId+'.style.display='+StyleDisplay);
} // Does the ElementId element exist?
}
} // Loop thru OtherOSes.
// Hide other OS span and instructions.
console.warn('Hide other OS span and instructions.');
for ( h=0; h<OtherOSes.length; h++ ) { // Loop thru OtherOSes.
OtherOS = OtherOSes[h];
for ( e=0; e<ElementShows.length; e++ ) { // Loop thru ElementShows.
ElementType = ElementShows[e];
ElementId = ElementType+'_'+OtherOS+'_'+IdNumber;
Element = document.getElementById(ElementId);
console.log('Hide '+ElementId+'.');
if ( Element ) { // Does the ElementId element exist?
Element.style.display = 'none';
} // Does the ElementId element exist?
} // Loop thru ElementShows.
} // Loop thru OtherOSes.
// Show ShowOS span and instructions.
console.warn('Show ShowOS span and instructions.');
for ( e=0; e<ElementShows.length; e++ ) { // Loop thru ElementShows.
ElementType = ElementShows[e];
ElementId = ElementType+'_'+ShowOS+'_'+IdNumber;
console.log('Show '+ElementId+'.');
Element = document.getElementById(ElementId);
if ( Element ) { // Does the ElementId element exist?
StyleDisplay = DisplayStyle(ElementType,Element);
Element.style.display = StyleDisplay;
console.log(ElementId+'.style.display='+StyleDisplay);
} // Does the ElementId element exist?
} // Loop thru ElementShows.
} // Loop thru IdNumbers.
return false;
} // END SwapWinMacLinux.