How Can I Restrict ExecCommand('undo') To A <div>?
Jul 23, 2005
I am using IE 6.0. On a page, I have placed a contenteditable div
which I want to use as a Rich Text Area. I am using the execCommand method of
the document to control bold, italics, underlining, and undo for this div.
I have placed an input element on the page to. All but the undo, are
restricted to working only on the div. How can I restrict the undo to
working on only the div?
Below is the complete page so you can see what I am talking about.
Just paste it into an htm file and traverse to it via your browser.
Type something in the div and the input and then try the buttons. Code:
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Apr 3, 2011
im working with execCommand and trying to make a function to insert a youtube video into a content editable div with execcommand inserthtml. Now this works with every other browser except, OMG IE. now i am trying to use pasteHTML(), found that some people have gotten it to work, for its part but for some reason it is not working
[Code]....
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Jul 23, 2005
I`m writing a javascript regex tester (IE 6 only) and would like to include
an undo button for a text input field.
I want it to handle individual keystrokes, pasting and drop, and also
text added by clicking various buttons.
I have tried a LOT of handler combinations and fancy conditionals to
make it work perfectly, and I`m ALMOST there.
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Jun 8, 2004
<!--
I'm working on an undo-redo function. Couldnt really find anything useful in the internet.
So I have a try. Guess it could be quite useful for a lot of people out there.
Wonder if the concept is any good?
Please critizise hard!
Try it out if you dare!
Any feedback is welcome!
All suggestions are appreciated!
Yours
Axinya
-->
<html>
<head>
<style type="text/css">
<!--
#wisiwig {
overflow: auto;
position: relative;
height: 300px;
width: 600px;
margin-top: 5px;
padding: 5px;
border: thin groove #999999;
}
-->
</style>
<script language="JavaScript">
<!--
var b_ackup = new Array(); //Store data in Array
var undo_pos= 0;//Position of undo
var flag = false;// shall we start new undo thread and delete obsolete items?
var w_isiwig;//editor interface
function init(){
w_isiwig = document.getElementById("wisiwig");
w_isiwig.contentEditable = true;
w_isiwig.onkeyup = HandleKeys;
b_ackup[0] = w_isiwig.innerHTML;
}
function HandleKeys(evt) {//events to write to backup
//
if (event) {
switch (event.keyCode) {
case 32:
BACKUP();
break;
case 8:
BACKUP();
break;
case 13:
BACKUP();
break;
case 46:
BACKUP();
break;
default:
return;
}
}
}
function BACKUP(){
if (flag){// action if undo was clicked
var removed= b_ackup.splice(flag,b_ackup.length - flag);
for (var i = 0; i < removed.length; i++) {
delete removed[i];//delete obsolete array items
}
b_ackup[b_ackup.length] = w_isiwig.innerHTML;
undo_pos = b_ackup.length - 1;
flag = false;
w_isiwig.focus();
}
else{//write to backup array
b_ackup[b_ackup.length] = w_isiwig.innerHTML;
undo_pos = b_ackup.length - 1;
flag = false;
w_isiwig.focus();
}
}
function undo(){
if (b_ackup.length){//
if(undo_pos==0){w_isiwig.focus();return;}// beginning of backup items
if(flag == false){BACKUP();}// save last state of document
w_isiwig.innerHTML=b_ackup[undo_pos -1];
undo_pos=undo_pos - 1;
flag = undo_pos +1;
look();
w_isiwig.focus();
}
}
function redo(){
if(undo_pos == b_ackup.length -1){w_isiwig.focus();return;}
//end of backup array
w_isiwig.innerHTML=b_ackup[undo_pos +1];
undo_pos=undo_pos + 1;
flag = undo_pos +1;
look();
w_isiwig.focus();
}
function look(){// monitor our Array data
var e='flag:'+flag+'
undo_pos:'+undo_pos+'
'
e+='b_ackup.length:'+b_ackup.length+'
'
for (i=0; i<b_ackup.length; i++){
e+= 'Backup item '+i+':'+b_ackup[i]+'
'
}
document.getElementById('bup_a').value=e;
}
</script>
<title>undo-redo</title>
</head>
<body id = "body" onload= "init();">
<p><b>undo/redo</b> <br>
development version: for <b>IE</b> only<br>
Backup written by <b>'onkeyup'</b> event(space,back,return,del), or
<b>'add to backup'</b> button. </p>
<div id="menu">
<a href="#" onclick='BACKUP();return false'>[add to backup]</a>
<a href="#" onclick='setTimeout("undo()",10)'>[undo]</a>
<a href="#" onclick='setTimeout("redo()",10)'>[redo]</a>
<a href="#" onclick='look()'>[view backup-data]</a> </div>
<div id="wisiwig">Type text: </div>
Backup Array Data: <br>
<div id="bup">
<textarea id="bup_a" name="bup_a" cols="80" rows="6"></textarea>
</div>
</body>
</html>
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Sep 29, 2010
is it possible to do a CTRL-z (undo) in a onclick event ?
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Sep 6, 2010
I find most rich internet text editors, developers put in the product many many features but fail to make a decent undo redo mechanism, I pressed crtl+z they deleted my whole paragraph. Unlike googledocs's one, it knows exactly what to undo.
If anyone can let me know what the logic of google docs/Ms word machanism is, maybe I can give it shot building one.
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Jul 18, 2011
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Jul 20, 2005
Does anyone know of a way to wrap custom tags around selected text
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I am developing a rich text editor for use in a web site and while
there are a few decent ones already floating around I need to
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Idealy I'd like to wrap custom tags around selected text using
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Any ideas?
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Jul 4, 2010
I'm (experimenting) writing my own RTE in JavaScript, I'm doing pretty good until it comes to the commands, the execCommand method. Here's what I have so far:
function get(editid) {
// IE
if(document.frames[editid].document) return document.frames[editid].document;
else return document.getElementById(editid).contentDocument;
}
[Code]....
The xC (execute command) function is not working! I've tried so much.
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I want to remove link. How to do that using execCommand()
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I am attempting to write a wysiwyg text editor to use in back-end site administration forms. It's working pretty well, aside from one error: when I hilight a large block of text and change the font, the change only applies to portions of the text selected (which appears to be random portions). Here is the javascript I'm using:
Code:function applyFont() { document.all.rtEditor.focus(); document.execCommand(fontname, false, document.all.fontNameSelector.value);}Where am I going wrong?
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Dec 21, 2010
I'm using an HTML page with one section having editable content. Nothing overly complicated. All other execCommands are working fine, but I cannot get Paste to work. The function is called from this button:
And, here's the Javascript function:
When I use the Copy or Cut buttons the selected text is loaded into the clipboard. If I press Ctrl+V to paste, it works fine. But clicking the Paste button either has no visible effect (if no text is selected) or just deletes any selected text. I've used the Paste command before from VB without any problem, but it's been awhile since I've used JS.
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Apr 7, 2009
I am having a problem with my wysiwyg editor for my site, users dont like the fact that you have to select text before you create a link and I was wondering if it was possible to prompt the user to add title text before you use the execCommand('createlink') and use that has the select text that they made from the prompt. Instead of the old way where you must select text first to use execCommand('createlink') to create a link. kind of like Sitepoint's insert link function but instead prompts the user for the title and doesn't insert bbcode but a anchor tag?
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Jan 18, 2006
I have a textfield where i would like the user to input only Y or N.
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Feb 14, 2007
How do i restrict files types that can be accessed when using the input element type file...like the one used when uploading..how do i restrict it to certain files with given file extensions?
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Jun 30, 2010
I am having a table with rows created using a button click event. While adding rows to the table, I create drop dowlist using
Code:
objVehicles = document.createElement("<SELECT class='dropdownbox' id=Vehicles"+objAlertRowId+" name=Vehicles"+objAlertRowId+" STYLE='width:148px'; onchange='setDataChanged();toggleEditButton(" + objAlertRowId+ ",this.value);' >");
objNewRow.cells.item(3).appendChild(objVehicles);
And the output will be like the attached screen shot.
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<script type="text/javascript">
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<form action='store.php' method=post name="coordform"> .....
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javascript: [URL]
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This is where I got to and then went blank?
Code:
if(comparename.length > 18){
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[Code]....
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