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Modify WebControl markup via WebControlAdapter 2010-03-11 21:47:12
a quick look at how to create a windows service using C# 2010-02-28 21:48:06
How to call server-side code from client-side code, using PageMethods in ASP.net 2010-02-21 12:31:27
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SQL 2008 introduced a nifty feature called Table-Valued Parameters (TVP) into its codebase 2010-01-06 22:58:25
How to page data using ASP.net (C#) and SQL 2005/8 2009-10-19 15:01:45
Creating a WYSIWYG textbox for your website is actually quite simple. 2007-02-01 12:00:00
Move items between two listboxes in ASP.net(C#, VB.NET) and PHP 2008-06-12 17:07:43
Firefox word wrapping issues 2008-06-09 09:51:21
2007-02-22 12:00:00
Blog about passing parameters by reference to functions using func_get_arg(s) 2008-07-27 12:38:24
Creating a WYSIWYG textbox for your website is actually quite simple. Thanks to the html iframe component that contains the execCommand function, which enables us to access html tags in real time. The following snippets shows how to implement this function: editor.js var Editor; function Format(action) { Editor.execCommand(action, false, null); } function Colour(colour) { Editor.execCommand("forecolor",false, colour); } window.onload = function() { Editor = document.getElementById('textbox').contentWindow.document; Editor.designMode = "on"; document.forms[0].onsubmit = function() { var text = document.getElementById('text'); text.value = Editor.body.innerHTML; } } In the top script we attach anonymous methods to the page load event and one on the form submit event (assigns the contents of the iframe to a form control - since we need to submit it via the page) editor.html <html> <head> <title>Simple Javascript WYSIWYG Editor</title> <script language="Javascript" src="editor.js"></script> </head> <body> <form method="POST"> <div> <input type="button" onclick="Colour('Green')" style="background-color:Green;" /> <input type="button" onclick="Colour('Red')" style="background-color:Red;" /> <input type="button" onclick="Colour('Blue')" style="background-color:Blue;" /> <input type="button" onclick="Colour('Black')" style="background-color:Black;" /> <input type="button" onclick="Format('bold')" value="B" /> <input type="button" onclick="Format('italic')" value="I" /> <input type="button" onclick="Format('Underline')" value="U" /> <input type="button" onclick="Format('justifycenter')" value="C" /> <input type="button" onclick="Format('justifyleft')" value="L" /> <input type="button" onclick="Format('justifyright')" value="R" /><br/> <iframe id="textbox" style="width:300px; height:150px"></iframe><br/> <input type="submit" value="Go" /> <input type="hidden" id="text" name="text" /> </div> </form> </body> </html> This is just a basic implementation of the execCommand function, here is a small list of properties one can use as well, things like cut/paste inserting tables/links/images etc: BackColor: Get or set the background color of the selected region. (this property shows some weird behavior in Firefox 2.0) Copy: Copies the selected region to the clipboard. Cut: Removes the selected region from the document. Paste: Adds data from clipboard to region (if applicable). InsertHorizontalRule: Adds a horizontal rule to the region. InsertImage: Displays an IE defined modal dialog that contains full image selection features, alt tag modification, border setting, etc. InsertMarquee: Converts the selected text into a marque. InsertSelectDropDown: Adds a drop down list to the region. Print: Displays the windows print dialog so that the region can be printed. Refresh: Refreshes the region. CreateLink: Displays an IE defined modal dialog that lets you add a hyperlink using either selected text or new text. InsertUnorderedList: Toggles between the selected text being an unordered list and normal text.
var Editor; function Format(action) { Editor.execCommand(action, false, null); } function Colour(colour) { Editor.execCommand("forecolor",false, colour); } window.onload = function() { Editor = document.getElementById('textbox').contentWindow.document; Editor.designMode = "on"; document.forms[0].onsubmit = function() { var text = document.getElementById('text'); text.value = Editor.body.innerHTML; } }
<html> <head> <title>Simple Javascript WYSIWYG Editor</title> <script language="Javascript" src="editor.js"></script> </head> <body> <form method="POST"> <div> <input type="button" onclick="Colour('Green')" style="background-color:Green;" /> <input type="button" onclick="Colour('Red')" style="background-color:Red;" /> <input type="button" onclick="Colour('Blue')" style="background-color:Blue;" /> <input type="button" onclick="Colour('Black')" style="background-color:Black;" /> <input type="button" onclick="Format('bold')" value="B" /> <input type="button" onclick="Format('italic')" value="I" /> <input type="button" onclick="Format('Underline')" value="U" /> <input type="button" onclick="Format('justifycenter')" value="C" /> <input type="button" onclick="Format('justifyleft')" value="L" /> <input type="button" onclick="Format('justifyright')" value="R" /><br/> <iframe id="textbox" style="width:300px; height:150px"></iframe><br/> <input type="submit" value="Go" /> <input type="hidden" id="text" name="text" /> </div> </form> </body> </html>
this is exactly what i was looking for, every other example was over complicated for what i wanted. this is excellent. cheers :)
I can not believe it's so easy to create a WYSIWYG tool
How do I access the content of the textarea? I want to use a PHP script to insert the content into a database.
When examining the script, you'll see this piece of code inside the onload event: document.forms[0].onsubmit = function() { var text = document.getElementById('text'); text.value = Editor.body.innerHTML; } Now what this does is, it sends the contents of the textarea(iframe) to a hidden field (named text in this case) on the page, which insures that the contents will be sent along with your form submission (postback) <input type="hidden" id="text" name="text" /> Typically you'll access it, via the $_Request in php, this case $_Request['text']
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Codebooth my semi-community site etc (work in progress)
The company I'am currently working for as software developer.
a Parallel reference of programming languages 2009-09-10 12:48:23
a tutorial explaining how to develop a simple login using PHP and MySQL 2009-09-05 18:26:47
An article looking at adding some kind of event driven model to PHP 5 2008-07-28 12:48:09
It is very simple creating your own rss reader, the following article looks at a few methods of doing this. 2008-06-23 13:18:25
A quick reference about working with dropdown boxes (select element) in javascript. 2007-02-17 16:36:41
Collection of funny programming articles 2006-10-08 14:23:43