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JavaScript - Search For Text In Textarea And Highlight Problems
Hi,
I am having trouble searching for text in a textarea in all browsers. I display formatted text in a textarea with tinyMCE editor. Some of the text contains blanks ('______') which the user needs to find and fill in (usually with a number). I have written a new button on the toolbar of the editor which will find and highlight the blank when clicked. The user will click the button, fill in the text, click the button, fill in the text, etc. In IE the blanks are highlighted just fine. The only problem is: user clicks button and first blank is highlighted. User fills in the text then clicks the button again. Second blank should be highlighted but it skips right to the third blank. If you don't fill anything in, the next blank will be highlighted. If you highlight and then fill anything in, the next blank is skipped and the following blank is highlighted. Any thoughts? But my worst problem is with Mozilla. I get an error. It does not act like setSelectionRange(pos, pos+len(str)) is a valid function call. I receive the following error: "component returned failure code: 0x800004005 (NS_ERROR_FAILURE)[nsIDOMNSHTML TextareElement.setSelectionRange]" Here is my function: var win = window; var n = 0; var str = '______'; function FindBlanks() { var txt, i, found; win = tinyMCE.get('txtPolicy').getDoc(); if (str == "") return false; if (window.execScript) { txt = win.body.createTextRange(); //Find the nth match from the top of the page for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) { txt.moveStart("character", 1); txt.moveEnd("textedit"); } // If found, mark it and scroll it into view if (found) { txt.moveStart("character", -1); txt.findText(str); txt.select(); txt.scrollIntoView(); // n = i--; n++; } //Otherwise, start over at the top of the page and find first match else { if (n > 0) { n = 0; alert("End of document has been reached."); } //Not found anywhere, give message. else alert("No blanks found."); } } else { //document.getElementById('txtPolicy').setFocus; var ht = '______'; if (ht.length == 0) { alert('highlightText has zero lenth'); return false; } var str2 = document.getElementById('txtPolicy').value; var startPos = str2.indexOf(ht); if (startPos == -1) { alert('No blanks found'); return false; } document.getElementById('txtPolicy').focus(); document.getElementById('txtPolicy').setSelectionRange(startPos, startPos + ht.length); return true; if (n == 0) alert ("No blanks found."); } return false; } Can anyone help me with this? Thanks. Similar TutorialsHi, Here's a sample form: Code: <form action="#" method="post"> Name:<br /> <input type="text" name="name" value="your name" /><br /> E-mail:<br /> <input type="text" name="mail" value="your email" /><br /> <input type="submit" value="Send"> </form> When you tab to a text input, the value gets highlighted. How can it be disabled? Any help is appreciated! Mike Hi, On my webpage I have an embedded link that jumps the users up to a text box for logging in. I'm trying to find a way so when they click that link, it will not only jump up to the text box but highlights it as well. I then want the highlight color to fade back to normal. I've been searching around but I can't find something that will work. Any ideas? Hi all, Please forgive me if this is a dumb question. Is it possible to highlight the contents of all text and/or textareas within one form simultaneously? I've tried to do it using the funciton below, it cycles through allright, but only highlights each field whilst it is in focus, then loses it when it moves to the next field. The result is that only the last text/textarea within the form is highlighted. My aim is to highlight all fields for subsequent spell checking. Any help would be appreciated. Code:
<html>
<head>
<script type="text/javascript">
function SelectText(){
var fields = document.getElementsByTagName("input");
for (var i = 0; i < fields.length; i++){
var node = fields[i];
if (node.getAttribute('type') == "text"){
node.focus();
node.select();
}
}
}
</script>
</head>
<body>
<form id="form1" action="">
<p></p>
<input type="text" id="one" style="width:500px;">
<p></p>
<input type="text" id="two" style="width:500px;">
<p></p>
<input type="button" value="Select Text" onclick="javascript:SelectText();">
</form>
</body>
</html>
Hi, As you will see with the code below when the text ONE and TWO are clicked on it displays a background color. When ONE is activated TWO is off. When TWO is activated ONE is off. But when the page loads I want ONE to display the background color. When ONE displays the background color after the page has loaded, I want to click on TWO to display it's background color and ONE should turn off as it does now. I can't figure out how to activate the background color for ONE when the page loads. Then if it is activated when the page loads, how to turn off ONE and turn on TWO when clicked on and visa versa. Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<script language="javascript" type="text/javascript">
var btn = function () {
var active = null, bcolor = '#84DFC1';
if (this.attachEvent) this.attachEvent('onunload', function () {
active = null;
});
return function (element) {
if ((active != element) && element.style) {
if (active) active.style.backgroundColor = '';
element.style.backgroundColor = bcolor;
active = element;
}
};
}();
</script>
</head>
<body>
<div onclick="btn(this);">ONE </div>
<div onclick="btn(this);">TWO </div>
</body>
</html>
This might be a little complicated. I'll try to be as clear as possible. I got some help from Old Pedant a little while ago and the code worked great. The problem came after I tried some code that will highlight (select) text in a DIV: Code: <script type="text/javascript">
function selectNode (node) {
var selection, range, doc, win;
if ((doc = node.ownerDocument) && (win = doc.defaultView) && typeof
win.getSelection != 'undefined' && typeof doc.createRange != 'undefined'
&& (selection = window.getSelection()) && typeof
selection.removeAllRanges != 'undefined') {
range = doc.createRange();
range.selectNode(node);
selection.removeAllRanges();
selection.addRange(range);
}
else if (document.body && typeof document.body.createTextRange !=
'undefined' && (range = document.body.createTextRange())) {
range.moveToElementText(node);
range.select();
}
}
</script>
Code: <div id="bb1"></div>
<form>
<input type="button" value="Click Here to Highlight Data" onclick="window.selectNode(document.getElementById('bb1'));" style="margin-left:4px; font-weight:bold; font-family: Verdana, Arial, Helvetica, sans-serif; font-size:14px;">
</form>
It works great with Firefox and Internet Explorer, but there is a problem with Opera. The contents of the DIV is selected, but so is everything after the DIV. Below is a link to the page, but be sure to turn down your speaker volume before you visit the page so you won't have a heart attack: http://www.randomterrain.com/atari-2...music-toy.html The DIV is empty when the page loads. To put content in the DIV, jump down to All Sounds and left click on a couple of the numbers than run from 0 to 31, then jump down to the DIV. When you click on the "Click Here to Highlight Data" button, you'll see that more than the contents of the DIV is selected. I hope someone can figure out how to make the code work properly with Opera. Thanks. Hi, I am just a noob and this is my first go at javascript and html I am trying to figure out how to display info from an array in the <textarea>, I have tried a number of things nothings worked and I know it must be something simply but have tried a number of things I also have to clear the <textarea> after it displays the info mentioned above and I think I have that sorted but I also have to have the <textarea> display all signup info stored in the array when a user clicks on a button Here's the code Code: function show()
{
var myArray = new Array();
myArray[0] = document.getElementById('fullname').value; myArray[1] = document.getElementById('Address').value; myArray[2] = document.getElementById('Phone').value;
document.writeln('Thank you for signingup,' + ' ' + myArray[0] + '. Your details will be confirmed by E-mail to ' + myArray[2] );
document.writeln("<br>")
document.writeln('Details:')
document.writeln("<br>")
for (var i=0; i<myArray.length; i++)
{document.write(myArray[i] + "<br />"); }
}
Thanks I would like to ask is it posible to add text from a text file to a text area on a page.. Philp if you read this i am not asking for a javascript code i am asking wether or not it can be done. P.s if your a nice person like philp is not and you want to private message me if you have one Hey guys, I am wondering how to send text to a textarea when clicking on a link. Kinda like when clicking on a smiley or bbcode. I have a script, and it works, but only when the text to insert is on one line. Here is the code: Code: <script>
function sendtext(e, text) {
e.value += text
}
</script>
Code: <img onClick="sendtext(document.myform.mytextarea, ':)')" src="smiley.gif"> Now I want to use this little script to insert an e-mail template which I am getting from the database into my textarea. Only, it works when the template is on one line, I am using this for my php code, which works, so no need to worry about that: Code: <img onClick="sendtext(document.myform.mytextarea, '<? echo ("$row['mytemplate']"); ?>')" src="smiley.gif">
When the "$row['mytemplate'];" is as follows: Code: Hey, this works It works, but when it's as follows: Code: Hey, it does not work Then it doesn't. So whenever there's a linebreak, it does not work. My question is, can someone help me with this, or a similar script, so I can add a piece of text to my textarea which has linebreaks in it? I hope you understand what I'm asking Thanks in advance for the help. End result: I want to have buttons along the top of a textarea which will be used to add tags around highlighted text / the text curser thingy. (Basically it will be an edit box like the I am using now to make this post). Problem at the moment: I want to reference the var to use in the function. e.g. Code: function addtext(id) {
var al = "<div style=\"text-align:left;\"></div>";
document.myform.outputtext.value += id;
}
"id" will be defined as "al" in the HTML onclick function, I want this to use "var al" where it says ".value += id;". HTML: Code: <form name="myform"> <textarea name="inputtext">Type Here</textarea><br /> <textarea name="outputtext"></textarea><br /> <input type="button" value="Add New Text" onClick="addtext(al);"> </form> If I do this: onClick="addtext('al'); Then "al" is just written in the output box as it is sending a string, correct? If I do this: onClick="addtext("al"); / onClick="addtext(al); Then nothing happens... Reason I want to do it: Well, because I want to have multiple var's instead of a load of functions... Problem 2 (To fix after first problem): I also want the var to add around the highlighted text, not after all of the text. How do I resize a textarea to a certain length for text without the scroll bar, it this possible with CSS or do I have to use jQuery?
Hey guys, I have a question about sending text to a textarea. What I want is, if I click on a button, a text has to be sent to my textarea, which I obtain from my mysql database. This last thing I can do myself, but I do not know how to send the text to my textarea. I don't know nothing from AJAX yet, so I think it can be done with AJAX, but also with javascript I guess. Could someone point me in the right direction? Thanks! Hello there, I am having trouble with a javascript snippet that adds text to a textarea when you click on the link. Problem is that when you regularly type into the textarea, the links no longer add text. Here is the links: Code: <a href="javascript:insertText('<b></b> ','textIns');" onClick="void(0)">Bold</a>
Here is the javascript Code: <script type="text/javascript">
function insertText(val,e) {
document.getElementById(e).innerHTML+=val;
}
</script>
Any ideas or suggestions? I need to clear the default value from a textarea when a user clicks on the textarea and then replace it if the user clicks away from the textarea without modifying it. I have managed to accomplish this with the textfields in my forms but I am struggling to get the textarea element to mimic this behavior. Here is the script I am using: Code: addEvent(window, 'load', init, false);
function init() {
var formInputs = document.getElementsByTagName('input');
for (var i = 0; i < formInputs.length; i++) {
var theInput = formInputs[i];
if (theInput.type == 'text' && theInput.className.match(/\binput\b/)) {
/* Add event handlers */
addEvent(theInput, 'focus', inputText, false);
addEvent(theInput, 'blur', replaceDefaultText, false);
/* Save the current value */
if (theInput.value != '') {
theInput.defaultText = theInput.value;
}
}
}
}
function inputText(e) {
var target = window.event ? window.event.srcElement : e ? e.target : null;
if (!target) return;
if (target.value == target.defaultText) {
target.value = '';
}
}
function replaceDefaultText(e) {
var target = window.event ? window.event.srcElement : e ? e.target : null;
if (!target) return;
if (target.value == '' && target.defaultText) {
target.value = target.defaultText;
}
}
HTML: [HTML] <form action="#"> <fieldset> <legend></legend> <input type="text" value="Your Name" id="name" class="input" /> <label for="name">Name Required</label><br/> <input type="text" value="Your Email" id="email" class="input"/> <label for="email">E-mail Required</label><br/> <input type="text" value="Your Website" id="website" class="input"/> <label for="website">Website</label> <textarea rows="15" cols="71">Your Message Goes Here.</textarea> <input type="submit" value="Submit Comment" class="button" /> </fieldset> </form> [/HTML] I am really just trying to get this form to behave the way all other forms on the internet work- where text clears when a user clicks on a form element and replaces itself if the user doesn't enter new text. I have it working on the text field but no the textarea. Help! hi all, I have a simple website with 2 Frames, In top frame I have a button that invokes CGI script and internally that CGI script prints info (text) into the bottom frame. Going further we want to print the output coming from CGI into a textarea object in bottom form. I have a function in my CGI script: But ends up printing multiple textarea objects in lower frame. We want to print each line of text into the same textarea object in lower frame. and at the end display a new button. How can we do this using javascript/CGI? I tried the following but not displaying anything. sub print_message { my($message1, $message2) = @_; my $final_message = $message1 . " " . $message2; print <<END_HTML; <html> <head> <form name="myform"> <table border="0" cellspacing="0" cellpadding="5"> <tr> <td><textarea name="outputtext" rows="10" cols="100"> $final_message </textarea> </td> </tr> </table> </form> <style> <!-- a{font-weight:bold;font-family:arial;text-decoration:underline;font-size:13px;} a:hover{font-weight:bold;font-family:arial;text-decoration:none;font-size:13px;} // --> </style> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <a href="main.html" rel="nofollow" target="bottom"></a> <title>CTS Debug Information</title> <style type="text/css"> img {border: none;} </style> </head> <body> </body> </html> END_HTML I created this function in javascript: <script language="javascript" type="text/javascript"> function addtext() { var newtext = document.myform.outputtext.value; var nextLineTextNode = document.createTextNode(newtext + "\r\n"); var logData = document.getElementById("outputtext"); logData.appendChild(nextLineTextNode); logData.scrollTop = logData.scrollHeight - logData.clientHeight; } </script> But when i implemented in my CGI nothing is printed. Thanks!!! I searched about this problem over Internet and found the same result many times, I found this example on stack overflow but this example didn't work in my project; I am making a toolbar with buttons that insert HTML tags around the selected text in a <textarea>, this exemple didn't work because when the user click on a button the selected text won't be selected anymore because <textarea> loses focus and selected text will be unselected, I am targeting Firefox and compatible browsers so you don't need to give me the IE code; jQuery codes are accepted; so, have you any idea?
How can I get the selected text of a textarea with JavaScript? example: Code: <form name="reportForm"> <textarea name="report"></textarea> <br /> <input type="button" onClick="GetSelectedText();" /> </form> Thanks IC I have searched this forum for similar queries & have come up with this http://jsfiddle.net/defencedog/P33FR/ I don't know why this ain't working Hi Guys, I am new to this forum,based on the combobox value,I am creating a textboxes dynamically in jsp .Based on the count of textboxe's the textarea content comes with <value1> like this... Here i tried like this, <html> <head> <script> function copy_data(val,id,textareaValue){ var enteredText = val; alert("enteredText -----------"+enteredText); var boxId= id; alert("boxId-----------"+boxId); var textValue= textareaValue; alert("textValue-----------"+textValue); var beforeBrac = textValue.substring(0,textValue.indexOf("<")); alert("beforeBrac -----------"+beforeBrac ); var inbracket = textValue.substring(beforeBrac.length+1,textValue.indexOf(">")); alert("inbracket -----------"+inbracket); if(boxId = "1"){ inbracket = val; } alert("inbracket -----------"+inbracket); var afterBrac = textValue.substring(textValue.indexOf(">"),textValue.length); alert("afterBrac -----------"+afterBrac ); var fstr = beforeBrac +"<"+inbracket +afterBrac ; if(boxId == "1"){ document.getElementById('txtArea').value = fstr; alert("final str value is"+fstr); } } </script> </head> <body> <input type="text" name ="a" id="1" onkeyup="copy_data(this.value,this.id,document.getElementById('txtArea').value)"/> <input type="text" name ="a" id="2" onkeyup="copy_data(this.value,this.id, document.getElementById('txtArea').value)"/> <textarea rows="2" cols="20" id="txtArea"> At W3Schools you <will> find all <the> Web-building tutorials <you> need, from basic HTML to advanced <XML>, SQL, ASP, and PHP. </textarea> </body> </html> three text boxes with some value [ value1 ] [value2] [value3 ] this is the text area content:- At W3Schools you <will> find all <the> Web-building tutorials <you> need, from basic HTML to advanced XML, SQL, ASP, and PHP. the output should be :- At W3Schools you <value1> find all <value2> Web-building tutorials <value3 > need, from basic HTML to advanced XML, SQL, ASP, and PHP... But i can't get it exactly..When i enter or delete the value it should replaced in the proper <> correctly.. If i enter the value in 1st textbox it should replace the value 1st <>.same for others also...Any Idea's ?Plz suggest me ... Sup yo, I need to add text in a <textarea>, but i can only append text at the end. Is there any way to add text to where the cursor is currently at? Code: function addCharm(var1) {
var newtext = var1;
document.lolform.inputtext.value += newtext;
}
And below i has sum buttonz that uses that function. So, again, how can I add text to where the I-beam is currently, instead of at the end? Thanks in advance. |
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