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|
<!-- in the newlisp-js-x.x.x.zip distribution this file is called index.html -->
<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8"/>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>newLISP in a browser</title>
<!-- codemirror stuff -->
<link rel=stylesheet href="codemirror/lib/codemirror.css">
<link rel=stylesheet href="codemirror/addon/dialog/dialog.css">
<link rel="stylesheet" href="codemirror/theme/newlisp.css">
<link rel="stylesheet" href="codemirror/theme/lesser-dark.css">
<link rel="stylesheet" href="codemirror/theme/solarized.css">
<link rel="stylesheet" href="codemirror/theme/ambiance.css">
<link rel="stylesheet" href="codemirror/theme/xq-light.css">
<link rel="stylesheet" href="codemirror/theme/no-color.css">
<script src="codemirror/lib/codemirror.js"></script>
<!-- does not work, don't know why, not caused by newlisp-keymap.js
<script src="codemirror/dialog/dialog.js"></script>
<script src="codemirror/search/searchcursor.js"></script>
<script src="codemirror/search/search.js"></script>
-->
<script src="codemirror/keymap/newlisp-keymap.js"></script>
<script src="codemirror/mode/newlisp/newlisp.js"></script>
<script src="codemirror/addon/selection/active-line.js"></script>
<script src="codemirror/addon/edit/closebrackets.js"></script>
<script src="codemirror/addon/edit/matchbrackets.js"></script>
<style title="cm-main-style">
.CodeMirror { height: 540px; }
.CodeMirror { border: 1px solid #AAA; margin-bottom: 5px; border-radius: 5px;}
.CodeMirror pre { padding-left: 7px; line-height: 1.25; }
.CodeMirror-scroll { overflow: scroll; }
</style>
<!-- end codemirror stuff -->
<style type="text/css" media="screen">
.emscripten {
padding-right: 0; margin-left: auto; margin-right: auto; display: block;
}
.button {
color: #000000;
background-color: #B0B0B0;
font-size: 1.0em;
border: 0px;
border-radius: 5px;
right: 0px;
padding-left: 6px;
padding-right: 6px;
margin-top: 3px;
margin-bottom: 4px;
}
.blue-button {
color: #0000AA;
background-color: #B0B0B0;
font-size: 1.0em;
border: 0px;
border-radius: 5px;
padding-left: 6px;
padding-right: 6px;
margin-top: 3px;
margin-bottom: 4px;
}
.red-button {
color: #AA0000;
background-color: #B0B0B0;
font-size: 1.0em;
border: 0px;
border-radius: 5px;
padding-left: 6px;
padding-right: 6px;
margin-top: 3px;
margin-bottom: 4px;
}
.filesbutton {
color: #000000;
font-size: 0.1em;
margin-bottom: 2px;
opacity: 0.0;
}
.keyword {
font-family: Helvetica, sans-serif;
font-size: 1.0em;
color: #000000;
background-color: #E0E0E0;
border: 2px solid #5080B0;
border-radius: 5px;
margin-right: 0px;
}
.menu {
margin-top: 6px;
margin-left: 1%;
margin-bottom: 2px;
}
body, p {
font-family: Helvetica, sans-serif;
color: #C0C0C0;
}
body {
overflow:hidden;
background-color: #7080B0;
margin: 0;
padding: 0;
}
a {
background-color: transparent;
color: #c0c0c0;
text-decoration: underline;
}
</style>
<style name="layout-style">
.left {
margin-left: 1%;
margin-bottom: 2px;
float: left;
}
.right {
margin-left: 1%;
margin-bottom: 2px;
float: left;
}
.upper {
position: relative;
margin-left: 1%;
margin-right: 1%;
margin-bottom: 2px;
}
.lower {
position: relative;
margin-left: 1%;
margin-right: 1%;
margin-bottom: 2px;
}
</style>
<script language="Javascript">
<!--
var editor = false;
var cmlog = false;
// globalarray for width percentages editor and log in 3 layouts
var LayoutWidth = [["48.5%", "48.5%"],["65%", "32%"], ["97%", "97%"]];
var LayoutClass = [["left", "right"],["left","right"], ["upper", "lower"]];
var LayoutIdx = 0;
// these two functions must be in all 'newLISP in a browser' apps
function displayHTML(content) {
document.write(content); document.close();
return content.length;
}
function displayHTMLnew(content) {
var newWindow = window.open('');
newWindow.document.write(content); newWindow.document.close();
return content.length;
}
// the following functions are specific to the editor IDE application
var isMobile = {
Android: function() { return navigator.userAgent.match(/Android/i);},
iOS: function() { return navigator.userAgent.match(/iPhone|iPad|iPod/i);},
Windows: function() { return navigator.userAgent.match(/IEMobile/i);},
any: function() { return (isMobile.Android() || isMobile.iOS() || isMobile.Windows());}
};
function detectIPadOrientation () {
resizeTextarea();
window.scrollTo(0, 0);
//if ( orientation == 0 ) { alert ('Portrait Mode, Home Button bottom');
}
function writeLog(content) {
cmlog.setValue(cmlog.getValue() + content + "\n");
cmlog.setCursor(99999, 0);
}
function evaluateInput() {
var result = newlispEvalStr(' ' + editor.getValue());
writeLog(result);
flashBackground(300);
if(!isMobile.any()) editor.focus();
}
function evaluateInputSilent() {
var result = newlispEvalStr('(silent)' + editor.getValue());
writeLog(result);
flashBackground(300);
if(!isMobile.any()) editor.focus();
}
function evaluateInputJS() {
var result = newlispEvalStr ('(eval-string-js {' + editor.getValue() + '})');
writeLog(result);
editor.setOption("mode", "text/html");
flashBackground(300);
if(!isMobile.any()) editor.focus();
}
function reload() {
location.reload();
}
function clearEditor() {
editor.setValue('');
if(!isMobile.any()) editor.focus();
editor.setCursor(0, 0);
}
function clearLog() {
cmlog.setValue('');
if(!isMobile.any()) editor.focus();
}
function clearAll() {
editor.setValue('');
cmlog.setValue('');
document.getElementById('keywordtext').value = '';
if(!isMobile.any()) editor.focus();
editor.setCursor(0, 0);
}
function switchLayout() {
LayoutIdx = (LayoutIdx += 1) % 3;
resizeTextarea();
if(!isMobile.any()) editor.focus();
}
function openFile() {
document.getElementById('files').click();
}
function lineNumbers() {
editor.setOption('lineNumbers', editor.getOption('lineNumbers') == false);
if(!isMobile.any()) editor.focus();
}
// for CodeMirror
function switchTheme() {
var newTheme;
switch(editor.getOption("theme"))
{
case "newlisp":
newTheme = "lesser-dark"; break;
case "lesser-dark":
newTheme = "solarized light"; break;
case "solarized light":
newTheme = "xq-light"; break;
case "xq-light":
newTheme = "solarized dark"; break;
case "solarized dark":
newTheme = "ambiance"; break;
case "ambiance":
newTheme = "no-color"; break;
case "no-color":
newTheme = "newlisp"; break;
default:
newTheme = "newlisp"; break;
}
writeLog("# set theme: " + newTheme);
editor.setOption("theme", newTheme);
cmlog.setOption("theme", newTheme);
if(!isMobile.any()) editor.focus();
}
function flashBackground(duration) {
document.body.style.background = "#68b";
var myTimer = setInterval(function() {
clearInterval(myTimer);
document.body.style.background = "#7080B0";
}, duration);
if(!isMobile.any()) editor.focus();
}
function restoreLayoutAndTheme() {
var theme = localStorage.theme;
if(!isMobile.any()) {
var allInputs = document.getElementsByTagName("input");
for(var i = 0; i < allInputs.length; i++) {
allInputs[i].setAttribute('style', "font-size: 1.1em");
}
document.getElementById('keywordtext').setAttribute('size', '12');
}
editor.setOption('lineNumbers', localStorage.lineNumbers == "true");
LayoutIdx = localStorage.layout;
if(LayoutIdx != 0 && LayoutIdx != 1 && LayoutIdx != 2)
LayoutIdx = 0;
resizeTextarea();
if(!theme) {
if(isMobile.any()) { theme = "newlisp"; }
else { theme = "newlisp"; }
}
editor.setOption("theme", theme);
cmlog.setOption("theme", theme);
var elem = document.getElementById("files");
if(isMobile.any()) { elem.style.marginLeft = "-200px"; }
else { elem.style.marginLeft = "0px"; }
writeLog("# set theme: " + theme);
if(!isMobile.any()) editor.focus();
}
function resizeTextarea() {
var styleSheet;
var offset = 0;
// set width
document.getElementById('editdiv').className = LayoutClass[LayoutIdx][0];
document.getElementById('logdiv').className = LayoutClass[LayoutIdx][1];
document.getElementById('editdiv').style.width = LayoutWidth[LayoutIdx][0];
document.getElementById('logdiv').style.width = LayoutWidth[LayoutIdx][1];
// set height
for(var i = 0; i < document.styleSheets.length; i++) {
var sheet = document.styleSheets[i];
if(sheet.title == 'cm-main-style') { styleSheet = sheet; }
}
styleSheet.deleteRule(0);
if(isMobile.any()) { offset = 10; }
if(LayoutIdx < 2) {
var vertical = window.innerHeight - 80 - offset;
} else {
var vertical = (window.innerHeight - 120) / 2;
}
styleSheet.insertRule('.CodeMirror { height: ' + vertical + 'px; }', 0);
}
function handleFileSelect(evt) {
var files = evt.target.files; // FileList object
var textFile = files[0];
// textFile.name textFile.type textFile.size
// textFile.lastModifiedDate[.toLocaleDateString()]
//Only process text files.
if(textFile.type.match('image.*')) {
alert(textFile.type + 'is an invalid file type');
return;
}
var reader = new FileReader();
// read file asynchronous and fill editor box
reader.onload = (function(theFile) {
return function(e) {
editor.setCursor(0, 0);
editor.setValue('');
editor.setValue(e.target.result);
};
})(textFile);
// Read in the text file
reader.readAsText(textFile);
writeLog('# loaded ' + textFile.name + ' -', textFile.size + ' bytes');
if(!isMobile.any()) editor.focus();
}
function GetSelectedText() {
var selText = "";
if (window.getSelection) { // all browsers, except IE before version 9
if (document.activeElement &&
document.activeElement.tagName.toLowerCase () == "textarea")
{
var text = document.activeElement.value;
selText = text.substring (document.activeElement.selectionStart,
document.activeElement.selectionEnd);
} else {
var selRange = window.getSelection ();
selText = selRange.toString ();
}
} else {
if (document.selection.createRange) { // Internet Explorer
var range = document.selection.createRange ();
selText = range.text;
}
}
if (selText !== "") {
document.getElementById('keywordtext').value = selText;
//alert(selText);
}
}
function searchKeyPress(e) {
// look for window.event in case event isn't passed in
if(typeof e == 'undefined' && window.event) { e = window.event; }
if(e.keyCode == 13) { document.getElementById('doc').click(); }
}
//function cmeditorKeyPress () { alert(' key pressed '); }
function sleep(ms){
var startTime = new Date().getTime();
while (new Date().getTime() < startTime + ms) {}
}
function getCaretPosition (field) {
var caretPos = 0;
// IE 9 and after
if (document.selection) {
field.focus ();
var sel = document.selection.createRange ();
sel.moveStart ('character', - field.value.length);
caretPos = sel.text.length;
}
// Firefox, Safari, Chrome
else if (field.selectionStart || field.selectionStart == '0') {
caretPos = field.selectionStart; }
return (caretPos);
}
function OpenDoc () {
var selText = document.getElementById('keywordtext').value.trim();
if(selText.charAt(selText.length - 1) == "?") {
selText = selText.substring(0, selText.length - 1) + 'p';
}
if(selText !== '') {
//window.open('http://www.newlisp.org/downloads/newlisp_manual.html#'+selText,'MsgWindow');
window.open('newlisp_manual.html#'+selText,'MsgWindow');
}
else {
//window.open('http://www.newlisp.org/downloads/manual_frame.html','MsgWindow');
window.open('manual_frame.html','MsgWindow');
}
}
function saveEdit() {
localStorage.userEdits = editor.getValue();
localStorage.log = cmlog.getValue();
localStorage.theme = editor.getOption("theme");
localStorage.layout = LayoutIdx;
localStorage.lineNumbers = editor.getOption('lineNumbers');
writeLog("# saved to local browser storage");
if(!isMobile.any()) editor.focus();
}
function restoreLocalStorage() {
var log = document.getElementById('output');
if(localStorage.log != null) {
cmlog.setValue(localStorage.log);
}
if(localStorage.userEdits != null) {
//content.value = localStorage.userEdits;
editor.setValue(localStorage.userEdits);
if(editor.getValue().length > 0)
{ writeLog("# local browser storage recovered"); }
else
{ writeLog("# local browser storage is empty"); }
}
else {
clearLog();
writeLog("# no local browser storage found");
}
}
function insertEdit(text) {
editor.setValue(text);
}
function changeSaveOpenButton() {
document.getElementById('files').disabled = true;
document.getElementById('browse').disabled = false; // for mobile
// make prev button
document.getElementById('save').value= 'prev';
document.getElementById('save').setAttribute('style', 'color: green;');
var action = "Module.print(newlispEvalStr('(Tutorial:prev)'))";
document.getElementById('save').setAttribute('onclick', action);
// make next button
document.getElementById('browse').value= 'next';
document.getElementById('browse').setAttribute('style', 'color: green;');
action = "Module.print(newlispEvalStr('(Tutorial:next)'))";
document.getElementById('browse').setAttribute('onclick', action);
}
function enableButtons() {
var allInputs = document.getElementsByTagName('input');
for(var i = 0; i < allInputs.length; i++) {
allInputs[i].disabled = false;
}
// leave file selection button disabled on Android, IOS and mobile Windows
if(isMobile.any()) {
document.getElementById('files').disabled = true;
document.getElementById('browse').disabled = true;
}
}
function initCoderMirrorWidgets() {
editor = CodeMirror.fromTextArea(document.getElementById('input'), {
mode: "newlisp",
theme: "lesser-dark",
lineNumbers: false,
styleActiveLine: false,
autoCloseBrackets: true,
matchBrackets: true,
lineWrapping: true,
autofocus: true
});
cmlog = CodeMirror.fromTextArea(document.getElementById('output'), {
mode: "text/html",
theme: "lesser-dark",
readOnly: true,
lineWrapping: true
});
//editor.on("keypress", function() { cmeditorKeyPress(); });
}
-->
</script>
</head>
<body onmouseup="GetSelectedText();">
<!-- this hidden text area contains code which is preloaded into newLISP. -->
<textarea id="code" style="display: none;">
; insert newLISP code for preload here
(set (global 'display-html) (fn (x y)
(replace {\} x {\\})
(replace "\n" x "\\n")
(replace {'} x {\'})
(replace {"} x {\"})
(eval-string-js (if (true? y)
(string {displayHTMLnew('} x {')})
(string {displayHTML('} x {')})))))
; eof
</textarea>
<div class="emscripten" id="status">Downloading...</div>
<div class="emscripten">
<progress value="0" max="100" id="progress" hidden=1></progress>
</div>
<div class="menu">
<input type="button" value="eval" id="evalinput" class="blue-button" title="eval newLISP - Ctl-enter"
onclick="evaluateInput();" disabled />
<input type="button" value="silent" id="evalsilent" class="blue-button"
title="eval silent - Shift-Ctrl-enter" onclick="evaluateInputSilent();" disabled />
<input type="button" value="JS" id="evalinputJS" class="blue-button" title="eval JavaScript"
onclick="evaluateInputJS();" disabled />
<input type="button" value="html" id="evalinputHTML" class="blue-button" title="display HTML"
onclick="displayHTMLnew(editor.getValue())" disabled />
<input type="button" value="x-edit" id="clearinput" class="red-button" title="clear editor - Ctrl-L" i
onclick="clearEditor();" disabled />
<input type="button" value="x-log" id="clearoutput" class="red-button" title="clear log - Shift-Ctrl-L"
onclick="clearLog();" disable />
<input type="button" value="layout" id="switchlayout" class="button" title="change layout"
onclick="switchLayout();" disabled />
<input type="button" value='#' id="linenumbers" class="button" title="line numbers - Ctrl-1"
onclick="lineNumbers();" disabled />
<input type="button" value="theme" id="theme" class="button" title="change color scheme"
onclick="switchTheme();" disabled />
<input type="button" value='↻' id="reload" class="red-button" title="reload newLISP - Ctrl-R"
onclick="reload();" />
<input type="button" value="info" id="info" class="button" title="about this program"
onclick="window.open('README.html','MsgWindow');" disabled />
<input type="button" value="doc" id="doc" class="button" title="reference manual"
onclick="OpenDoc();"/>
<input type="text" class="keyword" id="keywordtext" size="10"
title="search keyword" onkeypress="searchKeyPress(event);" />
</div>
<!-- EDITOR -->
<div class="left" id="editdiv" style="width: 49%">
<form><textarea id="input" display="none" disabled >; Welcome to newLISP running in a browser.
; based on newLISP v10.7.5 (2019), Emscripten v1.38.12
; best used with Firefox browser
; Click [eval]
(println "Hello World")
(define (double x)
(+ x x))
(println "=> " (double 123))
; [eval] shows all the return values from
; evaluated expressions plus the effect from
; 'println'. Now click [silent]. It only shows
; the effect from the 'println' expression.
; To find out more about how to use this
; editor, click the [info] button.
; The best introduction to newLISP can be found
; here:
; en.wikibooks.org/wiki/Introduction_to_newLISP
;
; More documentation can be found here:
; www.newlisp.org/index.cgi?Documentation
; or by clicking the [doc] button.
</textarea></form>
<input type="button" value="save" id="save" class="button" title="save to local storage - Ctrl-S"
onclick="saveEdit();" disabled />
<input type="button" value="open" id="browse" class="red-button" title="open disk file - Ctrl-O"
onclick="openFile()" disabled />
<input type="file" class="filesbutton" id="files" name="load" disabled />
</div>
<!-- LOG MONITOR -->
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