var rte;
var browser;
//object RTE
function RTE() {
//rte elements
this.win; //iframe contentwindow
this.doc; //iframe contentWindow.document
this.buttons; //buttons table
this.tableButtons; //buttons table
this.colorWin; //iframe color window
this.frame; //iframe editor window
this.textarea; //rte textarea for swich mode
this.status; //status bar
//user variable
this.command; //command issued for rte
this.range; //currently selected range
this.rangeEl; //parent element(node) of range
}
//start point
function replaceTextarea(taid, width, height, rteUrl) {
var ta = document.getElementById(taid);
var divid = "rte_"+taid;
browser=new BROWSER();
if (!browser.isRTEable)
return false;
rte = new RTE(taid);
document.writeln('');
writeRTE();
document.writeln('
');
ta.style.display = 'none';
if (!initRTE(divid, ta.value, width, height, rteUrl))
return false;
if (typeof ta.form.onsubmit == "function") {
var frmstr = ta.form.onsubmit.toString();
frmstr = frmstr.substring( frmstr.indexOf("{")+1 , frmstr.lastIndexOf("}") );
}
ta.form.onsubmit = new Function("rtePresubmit('"+taid+"');" + frmstr);
}
function rtePresubmit (taid) {
//find RTE text area and window
var rteEls = document.getElementById('rte_'+taid).childNodes;
for (var i=0; i"+html+" ");
rte.doc.close();
if (browser.isIE)
rte.doc.designMode = "On";
} catch (e) {
//gecko may take some time to enable design mode.
//Keep looping until able to set.
if (browser.isGecko) {
setTimeout("setupRTE('"+divid+"','"+html+"','+width+','+height+');", 10);
} else {
alert("setupRTE Failed."+e);
return false;
}
} //end catch
setRangeEl(1);
return true;
}
//set the parent Element of current cursor
function setRangeEl(cont) {
if (cont==0)
return;
var node;
try {
var sel = (browser.isIE)?
rte.win.document.selection : rte.win.getSelection();
var range = (browser.isIE)?
sel.createRange():sel.getRangeAt(sel.rangeCount - 1).cloneRange();
}
catch (e) { //it continues although error occurs when no range
setTimeout("setRangeEl(1)", 500 );
return;
}
var pEl;
if (browser.isIE) {
switch (sel.type) {
case "Text":case "None":
pEl= range.parentElement(); break;
case "Control":
pEl = range.item(0); break;
default:
pEl = rte.doc;
}
}
else {
try {
var p = range.commonAncestorContainer;
if (!range.collapsed && range.startContainer == range.endContainer
&& range.startOffset - range.endOffset <= 1
&& range.startContainer.hasChildNodes())
p = range.startContainer.childNodes[range.startOffset];
while (p.nodeType == 3)
p = p.parentNode;
pEl = p;
} catch (e) {
pEl = rte.doc;
}
}
rte.tableButtons.style.display = (pEl.tagName.toLowerCase()=="td")?
"inline":"none";
rte.rangeEl = pEl;
rte.status.innerHTML = "<"+pEl.tagName.toLowerCase()+">";
setTimeout("setRangeEl(1)", 500 );
}
//toggle between textarea and RTE window
function toggleMode(e) {
el = e.target || e.srcElement;
try {
setRTEObj(e);
} catch(e) {}
//show or hide
rte.buttons.style.visibility= (el.checked)? "hidden" : "visible";
rte.tableButtons.style.visibility= (el.checked)? "hidden": "visible";
rte.frame.style.display= (el.checked)? "none": "block";
rte.textarea.style.display= (el.checked)? "block": "none";
//synchronize rteWindow, and textarea
if (el.checked)
rte.textarea.value = rte.doc.body.innerHTML;
else {
rte.doc.body.innerHTML = rte.textarea.value;
if (browser.isGecko)
rte.frame.contentDocument.designMode = "on";
rte.doc.open();
rte.doc.write(rte.textarea.value);
rte.doc.close();
if (browser.isIE)
rte.doc.designMode = "On";
}
}
//set RTE variables again by each click occurs for multiple instances
function setRTEObj(e) {
//find rte window, textarea, and button elements.
var el = e.target || e.srcElement;
while (el.className != "rteDiv")
el = el.parentNode;
var rteEls = document.getElementById(el.id).childNodes;
for (var i=0; i