codice:
<!doctype html>
<html>
<head>
<title>Rich Text</title>
<script type="text/javascript">
var oDoc, sDefTxt = "
Lorem ipsum<\/p>";
function initDoc() {
oDoc = document.getElementById("editDiv");
oDoc.innerHTML = sDefTxt;
if (document.compForm.switchMode.checked) { setDocMode(true); }
}
function formatDoc(sCmd, sValue) {
if (validateMode()) { document.execCommand(sCmd, false, sValue); oDoc.focus(); }
}
function validateMode() {
if (!document.compForm.switchMode.checked) { return true ; }
alert("Deselezionare \"Visualizza HTML\".");
oDoc.focus();
return false;
}
function setDocMode(bToSource) {
var oContent;
if (bToSource) {
oContent = document.createTextNode(oDoc.innerHTML);
oDoc.innerHTML = "";
var oPre = document.createElement("pre");
oDoc.contentEditable = false;
oPre.id = "sourcePre";
oPre.contentEditable = true;
oPre.appendChild(oContent);
oDoc.appendChild(oPre);
} else {
if (document.all) {
oDoc.innerHTML = oDoc.innerText;
} else {
oContent = document.createRange();
oContent.selectNodeContents(oDoc.firstChild);
oDoc.innerHTML = oContent.toString();
}
oDoc.contentEditable = true;
}
oDoc.focus();
}
function printDoc() {
if (!validateMode()) { return; }
var oPrntWin = window.open("","_blank","width=450,height=470,left=400,top=100,menubar=yes,toolbar=no,location=no,scrollbars=yes");
oPrntWin.document.open();
oPrntWin.document.write("<!doctype html><html><head><title>Stampa<\/title><\/head><body onload=\"print();\">" + oDoc.innerHTML + "<\/body><\/html>");
oPrntWin.document.close();
}
</script>
<style type="text/css">
.intLink {
cursor: pointer;
}
img.intLink {
border: 0;
}
#paragrBar select {
font-size:10px;
}
#editDiv {
width: 540px;
height: 200px;
border: 1px #000000 solid;
padding: 12px;
overflow: scroll;
}
#editDiv #sourcePre {
padding: 0;
margin: 0;
min-width: 498px;
min-height: 200px;
}
#editMode label {
cursor: pointer;
}
</style>
</head>
<body onload="initDoc();">
<form name="compForm" onsubmit="if(validateMode()){this.myDoc.value=oDoc.innerHTML;return true;}return false;">
<input type="hidden" name="myDoc">
<div id="paragrBar">
<select onchange="formatDoc('formatblock',this[this.selectedIndex].value);this.selectedIndex=0;">
<option selected>- formattazione -</option>
<option value="<h1>">Titolo 1 <h1></option>
<option value="<h2>">Titolo 2 <h2></option>
<option value="<h3>">Titolo 3 <h3></option>
<option value="<h4>">Titolo 4 <h4></option>
<option value="<h5>">Titolo 5 <h5></option>
<option value="<h6>">Sottotitolo <h6></option>
<option value="<p>">Paragrafo <p></option>
<option value="<pre>">Formattato <pre></option>
</select>
<select onchange="formatDoc('fontname',this[this.selectedIndex].value);this.selectedIndex=0;">
<option class="heading" selected>- carattere -</option>
<option>Arial</option>
<option>Arial Black</option>
<option>Courier New</option>
<option>Times New Roman</option>
</select>
<select onchange="formatDoc('fontsize',this[this.selectedIndex].value);this.selectedIndex=0;">
<option class="heading" selected>- dimensione -</option>
<option value="1">Molto piccolo</option>
<option value="2">Ridotto</option>
<option value="3">Normale</option>
<option value="4">Medio-grande</option>
<option value="5">Grande</option>
<option value="6">Molto grande</option>
<option value="7">Massimo</option>
</select>
<select onchange="formatDoc('forecolor',this[this.selectedIndex].value);this.selectedIndex=0;">
<option class="heading" selected>- colore -</option>
<option value="red">rosso</option>
<option value="blue">blu</option>
<option value="green">verde</option>
<option value="black">nero</option>
</select>
<select onchange="formatDoc('backcolor',this[this.selectedIndex].value);this.selectedIndex=0;">
<option class="heading" selected>- sfondo -</option>
<option value="red">rosso</option>
<option value="green">verde</option>
<option value="black">nero</option>
</select>
</div>
<div>
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</div>
<div id="editDiv" contenteditable="true"></div>
<p id="editMode"><input type="checkbox" name="switchMode" id="switchBox" onchange="setDocMode(this.checked);" /> <label for="switchBox">Visualizza HTML</label></p>
</form>
</body>
</html>