Web Forms :: Changing Font Size Dynamically?
Mar 8, 2010
We have a database with around 5000 records in it. We also have a web page that displays many of the fields. One field is an nText field and displays up to several paragraphs. My customer wants me to add those A+ and A- buttons for increasing and decreasing the font size for this field. My problem is that many of the older records have quite a bit of formatting in the field. Most of the rest contain styles dictating a font size of 12 px. Is there a way to increase and decrease the font soze of the text without modifying all the records?
Here's an example:
[code].....
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[Code]....
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<li><a href="javascript:decFontSize();" class="minus"></a></li>
<li><a href="javascript:defaultFontSize();" class="default"></a></li>
<li><a href="javascript:incFontSize();" class="plus"></a></li>
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var min = 11;
var max = 18;
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{
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for (i = 0; i < p.length; i++)
{ p[i].style.fontSize = FontSize + "px" }
}
setCookie('FontSize', 13, 365);
}
}
function getCookie(c_name) {
if (document.cookie.length > 0) {
c_start = document.cookie.indexOf(c_name + "=");
if (c_start != -1) {
c_start = c_start + c_name.length + 1;
c_end = document.cookie.indexOf(";", c_start);
if (c_end == -1) c_end = document.cookie.length
return unescape(document.cookie.substring(c_start, c_end));
}
}
return ""
}
function setCookie(c_name, value, expiredays) {
var exdate = new Date();
exdate.setDate(exdate.getDate() + expiredays);
document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + exdate.toUTCString());
}
function defaultFontSize() {
var p = document.getElementsByTagName('p');
for (i = 0; i < p.length; i++)
{ p[i].style.fontSize = 13 + "px" }
setCookie('FontSize', 13, 365);
}
function incFontSize() {
var p = document.getElementsByTagName('p');
for(i=0;i<p.length;i++) {
if(p[i].style.fontSize) {
var s = parseInt(p[i].style.fontSize.replace("px",""));
} else {
var s = 11;
}
if(s!=max) {
s += 1;
}
p[i].style.fontSize = s+"px"
}
setCookie('FontSize',s,365);
}
function decFontSize() {
var p = document.getElementsByTagName('p');
for(i=0;i<p.length;i++) {
if(p[i].style.fontSize) {
var s = parseInt(p[i].style.fontSize.replace("px",""));
} else {
var s = 11;
}
if(s!=min) {
s -= 1;
}
p[i].style.fontSize = s+"px"
}
setCookie('FontSize',s,365);
}
The problem with the following code above that on every post the text size "flashes". By saying flashes i mean that it first is displayed with the default size (13px) and then is set to the value set by the cookie.
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