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524 lines
26 KiB
HTML
524 lines
26 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.2//EN">
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<html> <head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>HTMLArea-3.0 Reference</title>
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<style type="text/css">
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@import url(htmlarea.css);
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body { font: 14px verdana,sans-serif; background: #fff; color: #000; }
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h1, h2 { font-family:tahoma,sans-serif; }
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h1 { border-bottom: 2px solid #000; }
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h2 { border-bottom: 1px solid #aaa; }
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h3, h4 { margin-bottom: 0px; font-family: Georgia,serif; font-style: italic; }
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h4 { font-size: 90%; margin-left: 1em; }
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acronym { border-bottom: 1px dotted #063; color: #063; }
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p { margin-left: 2em; margin-top: 0.3em; }
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li p { margin-left: 0px; }
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.abstract { padding: 5px; margin: 0px 10em; font-size: 90%; border: 1px dashed #aaa; background: #eee;}
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li { margin-left: 2em; }
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em { color: #042; }
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a { color: #00f; }
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a:hover { color: #f00; }
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a:active { color: #f80; }
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span.browser { font-weight: bold; color: #864; }
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.fixme { font-size: 20px; font-weight: bold; color: red; background: #fab;
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padding: 5px; text-align: center; }
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.code {
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background: #e4efff; padding: 5px; border: 1px dashed #abc; margin-left: 2em; margin-right: 2em;
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font-family: fixed,"lucidux mono","andale mono","courier new",monospace;
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}
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.note, .warning { font-weight: bold; color: #0a0; font-variant: small-caps; }
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.warning { color: #a00; }
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.string {
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color: #06c;
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} /* font-lock-string-face */
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.comment {
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color: #840;
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} /* font-lock-comment-face */
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.variable-name {
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color: #000;
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} /* font-lock-variable-name-face */
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.type {
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color: #008;
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font-weight: bold;
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} /* font-lock-type-face */
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.reference {
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color: #048;
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} /* font-lock-reference-face */
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.preprocessor {
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color: #808;
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} /* font-lock-preprocessor-face */
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.keyword {
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color: #00f;
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font-weight: bold;
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} /* font-lock-keyword-face */
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.function-name {
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color: #044;
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} /* font-lock-function-name-face */
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.html-tag {
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font-weight: bold;
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} /* html-tag-face */
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.html-helper-italic {
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font-style: italic;
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} /* html-helper-italic-face */
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.html-helper-bold {
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font-weight: bold;
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} /* html-helper-bold-face */
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</style>
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<script type="text/javascript">
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_editor_url = './';
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_editor_lang = 'en';
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</script>
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<script type="text/javascript" src="htmlarea.js"></script>
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<script type="text/javascript" src="dialog.js"></script>
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<script tyle="text/javascript" src="lang/en.js"></script>
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</head>
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<body onload="HTMLArea.replace('TA')">
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<h1>HTMLArea-3.0 Documentation</h1>
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<div class="abstract" style="color: red; font-weight: bold">
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This documentation contains valid information, but is outdated in the
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terms that it does not covers all the features of HTMLArea. A new
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documentation project will be started, based on LaTeX.
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</div>
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<h2>Introduction</h2>
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<h3>What is HTMLArea?</h3>
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<p>HTMLArea is a free <acronym title="What You See Is What You Get"
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>WYSIWYG</acronym> editor replacement for <code><textarea></code>
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fields. By adding a few simple lines of JavaScript code to your web page
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you can replace a regular textarea with a rich text editor that lets your
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users do the following:</p>
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<ul>
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<li>Format text to be bold, italicized, or underlined.</li>
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<li>Change the face, size, style and color.</li>
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<li>Left, center, or right-justify paragraphs.</li>
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<li>Make bulleted or numbered lists.</li>
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<li>Indent or un-indent paragraphs.</li>
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<li>Insert a horizontal line.</li>
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<li>Insert hyperlinks and images.</li>
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<li>View the raw HTML source of what they're editing.</li>
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<li>and much more...</li>
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</ul>
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<p>Some of the interesting features of HTMLArea that set's it apart from
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other web based WYSIWYG editors are as follows:</p>
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<ul>
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<li>It's lightweight, fast loading and can transform a regular textarea
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into a rich-text editor with a single line of JavaScript.</li>
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<li>Generates clean, valid HTML.</li>
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<li>It degrades gracefully to older or non-supported browsers
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(they get the original textarea field).</li>
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<li>It's free and can be incorporated into any free or commercial
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program.</li>
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<li>It works with any server-side languages (ASP, PHP, Perl, Java,
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etc).</li>
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<li>It's written in JavaScript and can be easily viewed, modified or
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extended.</li>
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<li>It remembers entered content when a user navigates away and then hits
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"back" in their browser.</li>
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<li>Since it replaces existing textareas it doesn't require a lot of code
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to add it to your pages (just one line).</li>
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<li>Did we mention it was free? ;-)</li>
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</ul>
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<h3>Is it really free? What's the catch?</h3>
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<p>Yes! It's really free. You can use it, modify it, distribute it with your
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software, or do just about anything you like with it.</p>
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<h3>What are the browser requirements?</h3>
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<p>HTMLArea requires <span class="browser"><a
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href="http://www.microsoft.com/ie">Internet Explorer</a> >= 5.5</span>
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(Windows only), or <span class="browser"><a
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href="http://mozilla.org">Mozilla</a> >= 1.3-Beta</span> on any platform.
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Any browser based on <a href="http://mozilla.org/newlayout">Gecko</a> will
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also work, provided that Gecko version is at least the one included in
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Mozilla-1.3-Beta (for example, <a
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href="http://galeon.sf.net">Galeon-1.2.8</a>). However, it degrades
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gracefully to other browsers. They will get a regular textarea field
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instead of a WYSIWYG editor.</p>
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<h3>Can I see an example of what it looks like?</h3>
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<p>Just make sure you're using one of the browsers mentioned above and see
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below.</p>
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<form onsubmit="return false;">
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<textarea id="TA" style="width: 100%; height: 15em;">
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<p>Here is some sample text in textarea that's been transformed with <font
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color="#0000CC"><b>HTMLArea</b></font>.<br />
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You can make things <b>bold</b>, <i>italic</i>, <u>underline</u>. You can change the
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<font size="3">size</font> and <b><font color="#0000CC">c</font><font color="#00CC00">o</font><font color="#00CCCC">l</font><font color="#CC0000">o</font><font color="#CC00CC">r</font><font color="#CCCC00">s</font><font color="#CCCCCC">!</font></b>
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And lots more...</p>
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<p align="center"><font size="4" color="#ff0000"><b><u>Try HTMLArea
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today!</u></b></font><br /></p>
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</textarea>
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</form>
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<h3>Where can I find out more info, download the latest version and talk to
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other HTMLArea users?</h3>
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<p>You can find out more about HTMLArea and download the latest version on
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the <a href="http://dynarch.com/htmlarea/">HTMLArea
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homepage</a> and you can talk to other HTMLArea users and post any comments
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or suggestions you have in the <a
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href="http://www.interactivetools.com/iforum/Open_Source_C3/htmlArea_v3.0_-_Alpha_Release_F14/"
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>HTMLArea forum</a>.</p>
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<h2>Keyboard shortcuts</h2>
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<p>The editor provides the following key combinations:</p>
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<ul>
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<li>CTRL-A -- select all</li>
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<li>CTRL-B -- bold</li>
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<li>CTRL-I -- italic</li>
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<li>CTRL-U -- underline</li>
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<li>CTRL-S -- strikethrough</li>
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<li>CTRL-L -- justify left</li>
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<li>CTRL-E -- justify center</li>
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<li>CTRL-R -- justify right</li>
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<li>CTRL-J -- justify full</li>
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<li>CTRL-1 .. CTRL-6 -- headings (<h1> .. <h6>)</li>
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<li>CTRL-0 (zero) -- clean content pasted from Word</li>
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</ul>
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<h2>Installation</h2>
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<h3>How do I add HTMLArea to my web page?</h3>
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<p>It's easy. First you need to upload HTMLArea files to your website.
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Just follow these steps.</p>
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<ol>
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<li>Download the latest version from the <a
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href="http://www.interactivetools.com/products/htmlarea/">htmlArea
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homepage</a>.</li>
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<li>Unzip the files onto your local computer (making sure to maintain the
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directory structure contained in the zip).</li>
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<li>Create a new folder on your website called /htmlarea/ (make sure it's
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NOT inside the cgi-bin).</li>
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<li>Transfer all the HTMLArea files from your local computer into the
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/htmlarea/ folder on your website.</li>
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<li>Open the example page /htmlarea/examples/core.html with your browser to make
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sure everything works.</li>
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</ol>
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<p>Once htmlArea is on your website all you need to do is add some
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JavaScript to any pages that you want to add WYSIWYG editors to. Here's how
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to do that.</p>
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<ol>
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<li>Define some global variables. "_editor_url" has to be the absolute
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URL where HTMLArea resides within your
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website; as we discussed, this would be “/htmlarea/”. "_editor_lang" must
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be the language code in which you want HTMLArea to appear. This defaults
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to "en" (English); for a list of supported languages, please look into
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the "lang" subdirectory in the distribution.
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<pre class="code"
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><span class="function-name"><</span><span class="html-tag">script</span> <span class="variable-name">type=</span><span class="string">"text/javascript"</span><span class="function-name">></span>
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_editor_url = <span class="string">"/htmlarea/"</span>;
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_editor_lang = <span class="string">"en"</span>;
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<span class="function-name"><</span><span class="html-tag">/script</span><span class="function-name">></span></pre>
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<li>Include the "htmlarea.js" script:
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<pre class="code"
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><span class="function-name"><</span><span class="html-tag">script</span> <span class="variable-name">type=</span><span class="string">"text/javascript"</span> <span class="variable-name">src=</span><span class="string">"/htmlarea/htmlarea.js"</span><span class="function-name">></span><span class="paren-face-match"><</span><span class="html-tag">/script</span><span class="paren-face-match">></span></pre>
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</li>
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<li><p>If you want to change all your <textarea>-s into
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HTMLArea-s then you can use the simplest way to create HTMLArea:</p>
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<pre class="code"
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><span class="function-name"><</span><span class="html-tag">script</span> <span class="variable-name">type=</span><span class="string">"text/javascript"</span> <span class="variable-name">defer=</span><span class="string">"1"</span><span class="function-name">></span>
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HTMLArea.replaceAll<span class="function-name">()</span>;
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<span class="paren-face-match"><</span><span class="html-tag">/script</span><span class="paren-face-match">></span></pre>
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<p><span class="note">Note:</span> you can also add the
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<code>HTMLArea.replaceAll()</code> code to the <code>onload</code>
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event handler for the <code>body</code> element, if you find it more appropriate.</p>
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<p>A different approach, if you have more than one textarea and only want
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to change one of them, is to use <code>HTMLArea.replace("id")</code> --
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pass the <code>id</code> of your textarea. Do not use the
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<code>name</code> attribute anymore, it's not a standard solution!</p>
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</ol>
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<p>This section applies to HTMLArea-3.0 release candidate 1 or later; prior
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to this version, one needed to include more files; however, now HTMLArea is
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able to include other files too (such as stylesheet, language definition
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file, etc.) so you only need to define the editor path and load
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"htmlarea.js". Nice, eh? ;-)</p>
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<h3>I want to change the editor settings, how do I do that?</h3>
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<p>While it's true that all you need is one line of JavaScript to create an
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htmlArea WYSIWYG editor, you can also specify more config settings in the
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code to control how the editor works and looks. Here's an example of some of
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the available settings:</p>
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<pre class="code"
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><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config(); <span class="comment">// create a new configuration object
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</span> <span class="comment">// having all the default values
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</span>config.width = '<span class="string">90%</span>';
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config.height = '<span class="string">200px</span>';
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<span class="comment">// the following sets a style for the page body (black text on yellow page)
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// and makes all paragraphs be bold by default
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</span>config.pageStyle =
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'<span class="string">body { background-color: yellow; color: black; font-family: verdana,sans-serif } </span>' +
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'<span class="string">p { font-width: bold; } </span>';
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<span class="comment">// the following replaces the textarea with the given id with a new
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// HTMLArea object having the specified configuration
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</span>HTMLArea.replace('<span class="string">id</span>', config);</pre>
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<p><span class="warning">Important:</span> It's recommended that you add
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custom features and configuration to a separate file. This will ensure you
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that when we release a new official version of HTMLArea you'll have less
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trouble upgrading it.</p>
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<h3>How do I customize the toolbar?</h3>
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<p>Using the configuration object introduced above allows you to completely
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control what the toolbar contains. Following is an example of a one-line,
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customized toolbar, much simpler than the default one:</p>
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<pre class="code"
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><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
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config.toolbar = [
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['<span class="string">fontname</span>', '<span class="string">space</span>',
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'<span class="string">fontsize</span>', '<span class="string">space</span>',
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'<span class="string">formatblock</span>', '<span class="string">space</span>',
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'<span class="string">bold</span>', '<span class="string">italic</span>', '<span class="string">underline</span>']
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];
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HTMLArea.replace('<span class="string">id</span>', config);</pre>
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<p>The toolbar is an Array of Array objects. Each array in the toolbar
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defines a new line. The default toolbar looks like this:</p>
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<pre class="code"
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>config.toolbar = [
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[ "<span class="string">fontname</span>", "<span class="string">space</span>",
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"<span class="string">fontsize</span>", "<span class="string">space</span>",
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"<span class="string">formatblock</span>", "<span class="string">space</span>",
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"<span class="string">bold</span>", "<span class="string">italic</span>", "<span class="string">underline</span>", "<span class="string">separator</span>",
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"<span class="string">strikethrough</span>", "<span class="string">subscript</span>", "<span class="string">superscript</span>", "<span class="string">separator</span>",
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"<span class="string">copy</span>", "<span class="string">cut</span>", "<span class="string">paste</span>", "<span class="string">space</span>", "<span class="string">undo</span>", "<span class="string">redo</span>" ],
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[ "<span class="string">justifyleft</span>", "<span class="string">justifycenter</span>", "<span class="string">justifyright</span>", "<span class="string">justifyfull</span>", "<span class="string">separator</span>",
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"<span class="string">insertorderedlist</span>", "<span class="string">insertunorderedlist</span>", "<span class="string">outdent</span>", "<span class="string">indent</span>", "<span class="string">separator</span>",
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"<span class="string">forecolor</span>", "<span class="string">hilitecolor</span>", "<span class="string">textindicator</span>", "<span class="string">separator</span>",
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"<span class="string">inserthorizontalrule</span>", "<span class="string">createlink</span>", "<span class="string">insertimage</span>", "<span class="string">inserttable</span>", "<span class="string">htmlmode</span>", "<span class="string">separator</span>",
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"<span class="string">popupeditor</span>", "<span class="string">separator</span>", "<span class="string">showhelp</span>", "<span class="string">about</span>" ]
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];</pre>
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<p>Except three strings, all others in the examples above need to be defined
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in the <code>config.btnList</code> object (detailed a bit later in this
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document). The three exceptions are: 'space', 'separator' and 'linebreak'.
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These three have the following meaning, and need not be present in
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<code>btnList</code>:</p>
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<ul>
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<li>'space' -- Inserts a space of 5 pixels (the width is configurable by external
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<acronym title="Cascading Style Sheets">CSS</acronym>) at the current
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position in the toolbar.</li>
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<li>'separator' -- Inserts a small vertical separator, for visually grouping related
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buttons.</li>
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<li>'linebreak' -- Starts a new line in the toolbar. Subsequent controls will be
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inserted on the new line.</li>
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</ul>
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<p><span class="warning">Important:</span> It's recommended that you add
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custom features and configuration to a separate file. This will ensure you
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that when we release a new official version of HTMLArea you'll have less
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trouble upgrading it.</p>
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<h3>How do I create custom buttons?</h3>
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<p>By design, the toolbar is easily extensible. For adding a custom button
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one needs to follow two steps.</p>
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<h4 id="regbtn">1. Register the button in <code>config.btnList</code>.</h4>
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<p>For each button in the toolbar, HTMLArea needs to know the following
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information:</p>
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<ul>
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<li>a name for it (we call it the ID of the button);</li>
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<li>the path to an image to be displayed in the toolbar;</li>
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<li>a tooltip for it;</li>
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<li>whether the button is enabled or not in text mode;</li>
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<li>what to do when the button is clicked;</li>
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</ul>
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<p>You need to provide all this information for registering a new button
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too. The button ID can be any string identifier and it's used when
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defining the toolbar, as you saw above. We recommend starting
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it with "my-" so that it won't clash with the standard ID-s (those from
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the default toolbar).</p>
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<p class="note">Register button example #1</p>
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<pre class="code"
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><span class="comment">// get a default configuration
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</span><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
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<span class="comment">// register the new button using Config.registerButton.
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// parameters: button ID, tooltip, image, textMode,
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</span>config.registerButton("<span class="string">my-hilite</span>", "<span class="string">Highlight text</span>", "<span class="string">my-hilite.gif</span>", <span class="keyword">false</span>,
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<span class="comment">// function that gets called when the button is clicked
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</span> <span class="keyword">function</span>(editor, id) {
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editor.surroundHTML('<span class="string"><span class="hilite"></span>', '<span class="string"></span></span>');
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}
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);</pre>
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<p>An alternate way of calling registerButton is exemplified above. Though
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the code might be a little bit larger, using this form makes your code more
|
|
maintainable. It doesn't even needs comments as it's pretty clear.</p>
|
|
|
|
<p class="note">Register button example #2</p>
|
|
|
|
<pre class="code"
|
|
><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
|
|
config.registerButton({
|
|
id : "<span class="string">my-hilite</span>",
|
|
tooltip : "<span class="string">Highlight text</span>",
|
|
image : "<span class="string">my-hilite.gif</span>",
|
|
textMode : <span class="keyword">false</span>,
|
|
action : <span class="keyword">function</span>(editor, id) {
|
|
editor.surroundHTML('<span class="string"><span class="hilite"></span>', '<span class="string"></span></span>');
|
|
}
|
|
});</pre>
|
|
|
|
<p>You might notice that the "action" function receives two parameters:
|
|
<b>editor</b> and <b>id</b>. In the examples above we only used the
|
|
<b>editor</b> parameter. But it could be helpful for you to understand
|
|
both:</p>
|
|
|
|
<ul>
|
|
<li><b>editor</b> is a reference to the HTMLArea object. Since our entire
|
|
code now has an <acronym title="Object Oriented Programming">OOP</acronym>-like
|
|
design, you need to have a reference to
|
|
the editor object in order to do things with it. In previous versions of
|
|
HTMLArea, in order to identify the object an ID was used -- the ID of the
|
|
HTML element. In this version ID-s are no longer necessary.</li>
|
|
|
|
<li><b>id</b> is the button ID. Wondering why is this useful? Well, you
|
|
could use the same handler function (presuming that it's not an anonymous
|
|
function like in the examples above) for more buttons. You can <a
|
|
href="#btnex">see an example</a> a bit later in this document.</li>
|
|
</ul>
|
|
|
|
<h4>2. Inserting it into the toolbar</h4>
|
|
|
|
<p>At this step you need to specify where in the toolbar to insert the
|
|
button, or just create the whole toolbar again as you saw in the previous
|
|
section. You use the button ID, as shown in the examples of customizing the
|
|
toolbar in the previous section.</p>
|
|
|
|
<p>For the sake of completion, following there are another examples.</p>
|
|
|
|
<p class="note">Append your button to the default toolbar</p>
|
|
|
|
<pre class="code"
|
|
>config.toolbar.push([ "<span class="string">my-hilite</span>" ]);</pre>
|
|
|
|
<p class="note">Customized toolbar</p>
|
|
|
|
<pre class="code"
|
|
>config.toolbar = [
|
|
['<span class="string">fontname</span>', '<span class="string">space</span>',
|
|
'<span class="string">fontsize</span>', '<span class="string">space</span>',
|
|
'<span class="string">formatblock</span>', '<span class="string">space</span>',
|
|
'<span class="string">separator</span>', '<span class="string">my-hilite</span>', '<span class="string">separator</span>', '<span class="string">space</span>', <span class="comment">// here's your button
|
|
</span> '<span class="string">bold</span>', '<span class="string">italic</span>', '<span class="string">underline</span>', '<span class="string">space</span>']
|
|
];</pre>
|
|
|
|
<p><span class="note">Note:</span> in the example above our new button is
|
|
between two vertical separators. But this is by no means required. You can
|
|
put it wherever you like. Once registered in the btnList (<a
|
|
href="#regbtn">step 1</a>) your custom button behaves just like a default
|
|
button.</p>
|
|
|
|
<p><span class="warning">Important:</span> It's recommended that you add
|
|
custom features and configuration to a separate file. This will ensure you
|
|
that when we release a new official version of HTMLArea you'll have less
|
|
trouble upgrading it.</p>
|
|
|
|
<h4 id="btnex">A complete example</h4>
|
|
|
|
<p>Please note that it is by no means necessary to include the following
|
|
code into the htmlarea.js file. On the contrary, it might not work there.
|
|
The configuration system is designed such that you can always customize the
|
|
editor <em>from outside files</em>, thus keeping the htmlarea.js file
|
|
intact. This will make it easy for you to upgrade your HTMLArea when we
|
|
release a new official version. OK, I promise it's the last time I said
|
|
this. ;)</p>
|
|
|
|
<pre class="code"
|
|
><span class="comment">// All our custom buttons will call this function when clicked.
|
|
// We use the <b>buttonId</b> parameter to determine what button
|
|
// triggered the call.
|
|
</span><span class="keyword">function</span> <span class="function-name">clickHandler</span>(editor, buttonId) {
|
|
<span class="keyword">switch</span> (buttonId) {
|
|
<span class="keyword">case</span> "<span class="string">my-toc</span>":
|
|
editor.insertHTML("<span class="string"><h1>Table Of Contents</h1></span>");
|
|
<span class="keyword">break</span>;
|
|
<span class="keyword">case</span> "<span class="string">my-date</span>":
|
|
editor.insertHTML((<span class="keyword">new</span> Date()).toString());
|
|
<span class="keyword">break</span>;
|
|
<span class="keyword">case</span> "<span class="string">my-bold</span>":
|
|
editor.execCommand("<span class="string">bold</span>");
|
|
editor.execCommand("<span class="string">italic</span>");
|
|
<span class="keyword">break</span>;
|
|
<span class="keyword">case</span> "<span class="string">my-hilite</span>":
|
|
editor.surroundHTML("<span class="string"><span class=\"hilite\"></span>", "<span class="string"></span></span>");
|
|
<span class="keyword">break</span>;
|
|
}
|
|
};
|
|
|
|
<span class="comment">// Create a new configuration object
|
|
</span><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
|
|
|
|
<span class="comment">// Register our custom buttons
|
|
</span>config.registerButton("<span class="string">my-toc</span>", "<span class="string">Insert TOC</span>", "<span class="string">my-toc.gif</span>", <span class="keyword">false</span>, clickHandler);
|
|
config.registerButton("<span class="string">my-date</span>", "<span class="string">Insert date/time</span>", "<span class="string">my-date.gif</span>", <span class="keyword">false</span>, clickHandler);
|
|
config.registerButton("<span class="string">my-bold</span>", "<span class="string">Toggle bold/italic</span>", "<span class="string">my-bold.gif</span>", <span class="keyword">false</span>, clickHandler);
|
|
config.registerButton("<span class="string">my-hilite</span>", "<span class="string">Hilite selection</span>", "<span class="string">my-hilite.gif</span>", <span class="keyword">false</span>, clickHandler);
|
|
|
|
<span class="comment">// Append the buttons to the default toolbar
|
|
</span>config.toolbar.push(["<span class="string">linebreak</span>", "<span class="string">my-toc</span>", "<span class="string">my-date</span>", "<span class="string">my-bold</span>", "<span class="string">my-hilite</span>"]);
|
|
|
|
<span class="comment">// Replace an existing textarea with an HTMLArea object having the above config.
|
|
</span>HTMLArea.replace("<span class="string">textAreaID</span>", config);</pre>
|
|
|
|
|
|
<hr />
|
|
<address>© <a href="http://interactivetools.com" title="Visit our website"
|
|
>InteractiveTools.com</a> 2002-2004.
|
|
<br />
|
|
© <a href="http://dynarch.com">dynarch.com</a> 2003-2004<br />
|
|
HTMLArea v3.0 developed by <a
|
|
href="http://dynarch.com/mishoo/">Mihai Bazon</a>.
|
|
<br />
|
|
Documentation written by Mihai Bazon.
|
|
</address>
|
|
<!-- hhmts start --> Last modified: Wed Jan 28 12:18:23 EET 2004 <!-- hhmts end -->
|
|
<!-- doc-lang: English -->
|
|
</body> </html>
|