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/**
* jQuery TextExt Plugin
* http://textextjs.com
*
* @version 1.3.1
* @copyright Copyright (C) 2011 Alex Gorbatchev. All rights reserved.
* @license MIT License
*/
(function($)
{
/**
* Focus plugin displays a visual effect whenever user sets focus
* into the text area.
*
* @author agorbatchev
* @date 2011/08/18
* @id TextExtFocus
*/
function TextExtFocus() {};
$.fn.textext.TextExtFocus = TextExtFocus;
$.fn.textext.addPlugin('focus', TextExtFocus);
var p = TextExtFocus.prototype,
/**
* Focus plugin only has one option and that is its HTML template. It could be
* changed when passed to the `$().textext()` function. For example:
*
* $('textarea').textext({
* plugins: 'focus',
* html: {
* focus: "<span/>"
* }
* })
*
* @author agorbatchev
* @date 2011/08/18
* @id TextExtFocus.options
*/
/**
* HTML source that is used to generate markup required for the focus effect.
*
* @name html.focus
* @default '<div class="text-focus"/>'
* @author agorbatchev
* @date 2011/08/18
* @id TextExtFocus.options.html.focus
*/
OPT_HTML_FOCUS = 'html.focus',
/**
* Focus plugin dispatches or reacts to the following events.
*
* @author agorbatchev
* @date 2011/08/17
* @id TextExtFocus.events
*/
/**
* Focus plugin reacts to the `focus` event and shows the markup generated from
* the `html.focus` option.
*
* @name focus
* @author agorbatchev
* @date 2011/08/18
* @id TextExtFocus.events.focus
*/
/**
* Focus plugin reacts to the `blur` event and hides the effect.
*
* @name blur
* @author agorbatchev
* @date 2011/08/18
* @id TextExtFocus.events.blur
*/
DEFAULT_OPTS = {
html : {
focus : '<div class="text-focus"/>'
}
}
;
/**
* Initialization method called by the core during plugin instantiation.
*
* @signature TextExtFocus.init(core)
*
* @param core {TextExt} Instance of the TextExt core class.
*
* @author agorbatchev
* @date 2011/08/18
* @id TextExtFocus.init
*/
p.init = function(core)
{
var self = this;
self.baseInit(core, DEFAULT_OPTS);
self.core().wrapElement().append(self.opts(OPT_HTML_FOCUS));
self.on({
blur : self.onBlur,
focus : self.onFocus
});
self._timeoutId = 0;
};
//--------------------------------------------------------------------------------
// Event handlers
/**
* Reacts to the `blur` event and hides the focus effect with a slight delay which
* allows quick refocusing without effect blinking in and out.
*
* @signature TextExtFocus.onBlur(e)
*
* @param e {Object} jQuery event.
*
* @author agorbatchev
* @date 2011/08/08
* @id TextExtFocus.onBlur
*/
p.onBlur = function(e)
{
var self = this;
clearTimeout(self._timeoutId);
self._timeoutId = setTimeout(function()
{
self.getFocus().hide();
},
100);
};
/**
* Reacts to the `focus` event and shows the focus effect.
*
* @signature TextExtFocus.onFocus
*
* @param e {Object} jQuery event.
* @author agorbatchev
* @date 2011/08/08
* @id TextExtFocus.onFocus
*/
p.onFocus = function(e)
{
var self = this;
clearTimeout(self._timeoutId);
self.getFocus().show();
};
//--------------------------------------------------------------------------------
// Core functionality
/**
* Returns focus effect HTML element.
*
* @signature TextExtFocus.getFocus()
*
* @author agorbatchev
* @date 2011/08/08
* @id TextExtFocus.getFocus
*/
p.getFocus = function()
{
return this.core().wrapElement().find('.text-focus');
};
})(jQuery);
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