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Selecting text in dynamic text box for linking

Posted on 2008-06-21
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Last Modified: 2013-11-11
I have a dynamic textbox that pulls from an XML file.  Is there a way I can have my code search the dynamic text box for certain words, like "Sarah", and change the color of the word and have it gotoAndPlay a certain keyframe when clicked on?
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Question by:walker6o9
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Expert Comment

by:Aneesh Chopra
ID: 21839877
follwoing two function will do the work:

I have also attached a working sample which will help to understand how actually these function can be used.

function setupTextField(txtInst, wordToSearch, gotoFrame) {
	var txt = txtInst.text;
	var wordLength = wordToSearch.length;
	var index = txt.indexOf(wordToSearch);
	if (index == -1) {
		return;
	}
	var linkTxt = '<a href="asfunction:gotoFunction,'+gotoFrame+'"><font color="#FF0000">'+wordToSearch+'</font></a>';
	var prefixTxt = txt.substring(0, index);
	var suffixTxt = txt.substring(index+wordLength, txt.length);
	txtInst.html = true;
	txtInst.htmlText = prefixTxt+linkTxt+suffixTxt;
	//trace(txt.htmlText);
}
function gotoFunction(frame) {
	gotoAndPlay(frame);
}

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color-and-link-a-part-of-txt.fla.txt
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Author Comment

by:walker6o9
ID: 21850603
Is there a way to mod the setupTextField function slightly so that the gotoFunction includes a second parameter, like so:

function gotoFunction(frame, wordToSearch)
{
upcomingFrameVariable = wordToSearch
gotoAndPlay(frame)

}
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Author Comment

by:walker6o9
ID: 21851364
Also, I'm having a really weird problem.  I used your code to select certain words from a textField generated by an XML file.  But when I include a link in the XML text (using CDATA and setting html = true and the textfield to htmlText, I made sure these weren't the problem), it no longer allows me to click on the link.  When I stop using the setupTextField function, the links works again.  Do you know why the function kills the html link, or, more important, how to fix this?
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Author Comment

by:walker6o9
ID: 21851524
Actually, I fixed the problem I listed above, and its working fine.  

Except that it only does the once for the word.  Is there a way to mod this so that that it picks up all instances of the word in the text if it appears more than once?
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Accepted Solution

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Aneesh Chopra earned 500 total points
ID: 21852256
Below is the updated code, which makes all occurance of mentioned text into Link and also passes frame and word to the gotoFunction


stop();
//
myText.text = 'this text includes Sarah and Sarah again and again one more time Sarah';
setupTextField(myText,'Sarah',20);
 
 
function setupTextField(txtInst, wordToSearch, gotoFrame) {
	var txt = txtInst.text;
	var wordLength = wordToSearch.length;
	var index = txt.indexOf(wordToSearch);
	if (index == -1) {
		return;
	}
	var linkTxt = '<a href="asfunction:gotoFunction,'+gotoFrame+'~~'+wordToSearch+'"><font color="#FF0000">'+wordToSearch+'</font></a>';
	txt = txt.split(wordToSearch).join(linkTxt);
	txtInst.html = true;
	txtInst.htmlText = txt;
	//trace(txt.htmlText);
}
function gotoFunction(param) {
	var frame = param.split('~~')[0];
	var upcomingFrameVariable = param.split('~~')[1];
	trace(frame+":"+upcomingFrameVariable);
	gotoAndStop(frame);
}

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Author Comment

by:walker6o9
ID: 21858125
If I run that for two words in the field, it only works for the last word.

setupTextField(myText,'Sarah',20);
setupTextField(myText,'again',20);


Only again shows up.
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Author Comment

by:walker6o9
ID: 21858186
Nevermind, I got it solved.  If you declare txt outside the function, return it, and then run it through away, it works for multiple words.

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Author Closing Comment

by:walker6o9
ID: 31469453
Very helpful.  Thank you so much.
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Author Comment

by:walker6o9
ID: 21879773
So, this is working fine, but only if the dynamic textbox is on the frame.  If the dynamic textbox is inside a movie clip (or inside a movie clip inside a movie clip, as i have it), the text still changes colors, and the mouse changes to onRollOver state like it does for the other links, but when I click, nothing happens.  However, the links that were embedded from the XML still work.  I put a trace in the gotoFunction(), and it isn't even being read.
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