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Dynamically resize Iframe Height of External Blog

Posted on 2009-01-13
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Last Modified: 2012-05-06
I have a website that I want to nest an external Google Blogger Blog in an Iframe on a .cfm container page. Have tried many solutions--no cross domain security warning but iframe just does not resize.

Please: EZ to follow instructions, I am 80% designer, 20% coder....

I do have access to website and html blogger code.

Many, many thanks!
CFM CONTAINER PAGE CODE:
 
<body>
<div id="maincontainer">
 
<div id="topsection">
<cfinclude template="header3_alt.cfm">
</div>
 
<div id="fullwidthcontentwrapper">
<div id="blogcontentcolumn">
		<img src="images/blog-title.jpg" width="1002" height="78" />
<!--<div class="aboutMainText"> -->				
        		 <div class="center"><!-- BLOG -->
        		   <iframe id="idTopFrame" src="http://www.alexchingas.blogspot.com" height="1000" width="1000" scrolling="auto" frameborder="0"></iframe>
        		   <p></p>
		</div>
      <!--</div> -->
</div>
</div>
</div>
 
<div id="footer">
	<cfinclude template="footer.cfm">
</div>
</body>
</html>
 
BLOGGER BLOG CODE:
 
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html expr:dir='data:blog.languageDirection' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
  <head>
    <b:include data='blog' name='all-head-content'/>
    <title><data:blog.pageTitle/></title>
    <b:skin><![CDATA[/*
-----------------------------------------------
Blogger Template Style
Name:     Minima Black
Designer: Douglas Bowman
URL:      www.stopdesign.com
Date:     26 Feb 2004
Updated by: Blogger Team
----------------------------------------------- */
 
/* Variable definitions
   ====================
   <Variable name="bgcolor" description="Page Background Color"
             type="color" default="#000" value="#090b1d">
   <Variable name="textcolor" description="Text Color"
             type="color" default="#ccc" value="#cccccc">
   <Variable name="linkcolor" description="Link Color"
             type="color" default="#9ad" value="#99aadd">
   <Variable name="pagetitlecolor" description="Blog Title Color"
             type="color" default="#ccc" value="#cccccc">
   <Variable name="descriptioncolor" description="Blog Description Color"
             type="color" default="#777" value="#777777">
   <Variable name="titlecolor" description="Post Title Color"
             type="color" default="#ad9" value="#aadd99">
   <Variable name="bordercolor" description="Border Color"
             type="color" default="#333" value="#666666">
   <Variable name="sidebarcolor" description="Sidebar Title Color"
             type="color" default="#777" value="#777777">
   <Variable name="sidebartextcolor" description="Sidebar Text Color"
             type="color" default="#999" value="#999999">
   <Variable name="visitedlinkcolor" description="Visited Link Color"
             type="color" default="#a7a" value="#aa77aa">
   <Variable name="bodyfont" description="Text Font"
             type="font" default="normal normal 100% 'Trebuchet MS',Trebuchet,Verdana,Sans-serif" value="normal normal 100% Trebuchet, Trebuchet MS, Arial, sans-serif">
   <Variable name="headerfont" description="Sidebar Title Font"
             type="font"
             default="normal bold 78% 'Trebuchet MS',Trebuchet,Arial,Verdana,Sans-serif" value="normal bold 78% Trebuchet, Trebuchet MS, Arial, sans-serif">
   <Variable name="pagetitlefont" description="Blog Title Font"
             type="font"
             default="normal bold 200% 'Trebuchet MS',Trebuchet,Verdana,Sans-serif" value="normal normal 290% Arial, sans-serif">
   <Variable name="descriptionfont" description="Blog Description Font"
             type="font"
             default="normal normal 78% 'Trebuchet MS', Trebuchet, Verdana, Sans-serif" value="normal bold 86% 'Trebuchet MS', Trebuchet, Verdana, Sans-serif">
   <Variable name="postfooterfont" description="Post Footer Font"
             type="font"
             default="normal normal 78% 'Trebuchet MS', Trebuchet, Arial, Verdana, Sans-serif" value="normal normal 78% 'Trebuchet MS', Trebuchet, Arial, Verdana, Sans-serif">
   <Variable name="startSide" description="Start side in blog language"
             type="automatic" default="left" value="left">
   <Variable name="endSide" description="End side in blog language"
             type="automatic" default="right" value="right">
*/
 
/* Use this with templates/template-twocol.html */
 
/* HIDE NAV BAR */
#navbar {      
  height: 0px;      
  visibility: hidden;      
  display: none;}
/* END HIDE NAV BAR */
 
body {
  background:$bgcolor;
  margin:0;
  color:$textcolor;
  font: x-small "Trebuchet MS", Trebuchet, Verdana, Sans-serif;
  font-size/* */:/**/small;
  font-size: /**/small;
  text-align: center;
  }
a:link {
  color:$linkcolor;
  text-decoration:none;
  }
a:visited {
  color:$visitedlinkcolor;
  text-decoration:none;
  }
a:hover {
  color:$titlecolor;
  text-decoration:underline;
}
a img {
  border-width:0;
  }
 
/* Header
-----------------------------------------------
 */
 
#header-wrapper {
  width:660px;
  margin:0 auto 10px;
  border:1px solid $bordercolor;
  }
 
#header-inner {
  background-position: center;
  margin-$startSide: auto;
  margin-$endSide: auto;
}
 
#header { 
  margin: 5px;
  border: 1px solid $bordercolor;
  text-align: left;
  color:$pagetitlecolor;
}
 
#header h1 {
  margin:5px 5px 0 300px;
  padding:15px 20px .25em;
  line-height:1.2em;
  text-transform:uppercase;
  letter-spacing:-.2em;
  font: $pagetitlefont;
}
 
#header a {
  color:$pagetitlecolor;
  text-decoration:none;
  }
 
#header a:hover {
  color:$pagetitlecolor;
  }
 
#header .description {
  margin:0 5px 5px 300px;
  padding:0 20px 15px;
  max-width:700px;
  text-transform:uppercase;
  letter-spacing:.2em;
  line-height: 1.4em;
  font: $descriptionfont;
  color: $descriptioncolor;
}
 
#header img {
  /*margin-$startSide: auto;*/
  /*margin-$endSide: auto;*/
}
 
 
/* Outer-Wrapper
----------------------------------------------- */
#outer-wrapper {
  width: 660px;
  margin:0 auto;
  padding:10px;
  text-align:$startSide;
  font: $bodyfont;
  }
 
#main-wrapper {
  width: 410px;
  float: $startSide;
  word-wrap: break-word; /* fix for long text breaking sidebar float in IE */
  overflow: hidden;     /* fix for long non-text content breaking IE sidebar float */
  }
 
#sidebar-wrapper {
  width: 220px;
  float: $endSide;
  word-wrap: break-word; /* fix for long text breaking sidebar float in IE */
  overflow: hidden;     /* fix for long non-text content breaking IE sidebar float */
}
 
 
/* Headings
----------------------------------------------- */
 
h2 {
  margin:1.5em 0 .75em;
  font:$headerfont;
  line-height: 1.4em;
  text-transform:uppercase;
  letter-spacing:.2em;
  color:$sidebarcolor;
}
 
 
/* Posts
-----------------------------------------------
 */
h2.date-header {
  margin:1.5em 0 .5em;
  }
 
.post {
  margin:.5em 0 1.5em;
  border-bottom:1px dotted $bordercolor;
  padding-bottom:1.5em;
  }
.post h3 {
  margin:.25em 0 0;
  padding:0 0 4px;
  font-size:140%;
  font-weight:normal;
  line-height:1.4em;
  color:$titlecolor;
}
 
.post h3 a, .post h3 a:visited, .post h3 strong {
  display:block;
  text-decoration:none;
  color:$titlecolor;
  font-weight:bold;
}
 
.post h3 strong, .post h3 a:hover {
  color:$textcolor;
}
 
.post-body {
  margin:0 0 .75em;
  line-height:1.6em;
}
 
.post-body blockquote {
  line-height:1.3em;  
}
 
.post-footer {
  margin: .75em 0;
  color:$sidebarcolor;
  text-transform:uppercase;
  letter-spacing:.1em;
  font: $postfooterfont;
  line-height: 1.4em;
}
 
.comment-link {
  margin-$startSide:.6em;
  }
.post img {
  padding:4px;
  border:1px solid $bordercolor;
  }
.post blockquote {
  margin:1em 20px;
  }
.post blockquote p {
  margin:.75em 0;
  }
 
/* Comments
----------------------------------------------- */
#comments h4 {
  margin:1em 0;
  font-weight: bold;
  line-height: 1.4em;
  text-transform:uppercase;
  letter-spacing:.2em;
  color: $sidebarcolor;
  }
 
#comments-block {
  margin:1em 0 1.5em;
  line-height:1.6em;
  }
#comments-block .comment-author {
  margin:.5em 0;
  }
#comments-block .comment-body {
  margin:.25em 0 0;
  }
#comments-block .comment-footer {
  margin:-.25em 0 2em;
  line-height: 1.4em;
  text-transform:uppercase;
  letter-spacing:.1em;
  }
#comments-block .comment-body p {
  margin:0 0 .75em;
  }
.deleted-comment {
  font-style:italic;
  color:gray;
  }
 
.feed-links {
  clear: both;
  line-height: 2.5em;
}
 
#blog-pager-newer-link {
  float: $startSide;
 }
 
#blog-pager-older-link {
  float: $endSide;
 }
 
#blog-pager {   
  text-align: center; 
 }
 
/* Sidebar Content
----------------------------------------------- */
.sidebar { 
  color: $sidebartextcolor;
  line-height: 1.5em;
 }
 
.sidebar ul {
  list-style:none;
  margin:0 0 0;
  padding:0 0 0;
}
.sidebar li {
  margin:0;
  padding-top:0;
  padding-$endSide:0;
  padding-bottom:.25em;
  padding-$startSide:15px;
  text-indent:-15px;
  line-height:1.5em;
  }
 
.sidebar .widget, .main .widget { 
  border-bottom:1px dotted $bordercolor;
  margin:0 0 1.5em;
  padding:0 0 1.5em;
 }
 
.main .Blog { 
  border-bottom-width: 0;
}
 
/* Profile 
----------------------------------------------- */
.profile-img { 
  float: $startSide;
  margin-top: 0;
  margin-$endSide: 5px;
  margin-bottom: 5px;
  margin-$startSide: 0;
  padding: 4px;
  border: 1px solid $bordercolor;
}
 
.profile-data {
  margin:0;
  text-transform:uppercase;
  letter-spacing:.1em;
  font: $postfooterfont;
  color: $sidebarcolor;
  font-weight: bold;
  line-height: 1.6em;
}
 
.profile-datablock { 
  margin:.5em 0 .5em;
}
 
.profile-textblock { 
  margin: 0.5em 0;
  line-height: 1.6em;
}
 
.profile-link { 
  font: $postfooterfont;
  text-transform: uppercase;
  letter-spacing: .1em;
}
 
/* Footer
----------------------------------------------- */
#footer {
  width:660px;
  clear:both;
  margin:0 auto;
  padding-top:15px;
  line-height: 1.6em;
  text-transform:uppercase;
  letter-spacing:.1em;
  text-align: center;
}
]]></b:skin>
  </head>
 
  <body>
  <div id='outer-wrapper'><div id='wrap2'>
 
    <!-- skip links for text browsers -->
    <span id='skiplinks' style='display:none;'>
      <a href='#main'>skip to main </a> |
      <a href='#sidebar'>skip to sidebar</a>
    </span>
 
    <div id='header-wrapper'>
      <b:section class='header' id='header' maxwidgets='1' showaddelement='no'>
<b:widget id='Header1' locked='true' title='Alex Says... (Header)' type='Header'/>
</b:section>
    </div>
 
    <div id='content-wrapper'>
 
      <div id='crosscol-wrapper' style='text-align:center'>
        <b:section class='crosscol' id='crosscol' showaddelement='no'/>
      </div>
 
      <div id='main-wrapper'>
        <b:section class='main' id='main' showaddelement='no'>
<b:widget id='Blog1' locked='true' title='Blog Posts' type='Blog'/>
</b:section>
      </div>
 
      <div id='sidebar-wrapper'>
        <b:section class='sidebar' id='sidebar' preferred='yes'>
<b:widget id='Followers2' locked='false' title='Followers' type='Followers'/>
<b:widget id='BlogArchive2' locked='false' title='Blog Archive' type='BlogArchive'/>
<b:widget id='Profile2' locked='false' title='About Me' type='Profile'/>
</b:section>
      </div>
 
      <!-- spacer for skins that want sidebar and main to be the same height-->
      <div class='clear'>&#160;</div>
 
    </div> <!-- end content-wrapper -->
 
    <div id='footer-wrapper'>
      <b:section class='footer' id='footer'/>
    </div>
 
  </div></div> <!-- end outer-wrapper -->
</body>
</html>

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Question by:lexner
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7 Comments
 
LVL 51

Expert Comment

by:ahoffmann
ID: 23381116
your iframe tag uses a fixed size (height, width attribute), use this attributes like:

  < iframe src="...." width="99%" height="99%" ...>

BTW, the value for those attributes must contain a measure like px or % (which is missing in your example)
0
 

Author Comment

by:lexner
ID: 23382146
You are correct, the iframe cannot have a height assigned (this is in place for client viewing). I have removed it and the iframe window shrinks down to @200px high. The source doc height was clearly not being read and I tried many solutions available on the internet.
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LVL 51

Expert Comment

by:ahoffmann
ID: 23382521
iframe can have a height attribute for sure, it just need to have a valid value like 1000px or 99%
0
 

Author Comment

by:lexner
ID: 23382900
Neither of those--a pixel value, nor a %--work as I need to detect and dynamically resize the iframe window height according to the content, which is an external document.

I have attached the changed code (removed the height attribute) and if you go to the page http://www.alexchingas.com/blog-container.cfm you will see what i mean. The window has shrunk to be a few hundred pixels high and the source doc is much longer.

How do I get this to work?


<body>
<div id="maincontainer">
 
<div id="topsection">
<cfinclude template="header3_alt.cfm">
</div>
 
<div id="fullwidthcontentwrapper">
<div id="blogcontentcolumn">
		<img src="images/blog-title.jpg" width="1002" height="78" />			
        		 <div class="center"><!-- BLOG -->
        		   <iframe id="idTopFrame" src="http://www.alexchingas.blogspot.com" width="1000" scrolling="auto" frameborder="0"></iframe>
        		   <p></p>
		</div>
</div>
</div>
</div>
 
<div id="footer">
 
	<cfinclude template="footer.cfm">
 
</div>
 
 
</body>

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LVL 51

Accepted Solution

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ahoffmann earned 1000 total points
ID: 23383566
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