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/**
* JavaScript file for Element: Text Area Plus
*
* @package NoNumber Framework
* @version 12.11.6
*
* @author Peter van Westen <peter@nonumber.nl>
* @link http://www.nonumber.nl
* @copyright Copyright © 2012 NoNumber All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
TextAreaResizer = new Class({
initialize: function(id, options)
{
this.element = document.getElement('#' + id);
if (this.element.getStyle('resize')) {
return;
}
this.options = Object.extend(
options || {}
);
this.options.min_x = this.options.min_x || 160;
this.options.max_x = this.options.max_x || 800;
this.options.min_y = this.options.min_y || 80;
this.options.max_y = this.options.max_y || 400;
this.handleid = id + '_handle';
this.build();
},
build: function()
{
var wrapper = new Element('div', { 'class': 'textarea_wrapper' });
var handle = new Element('div', { 'class': 'textarea_handle', 'id': this.handleid });
wrapper.injectAfter(this.element);
wrapper.adopt(this.element);
wrapper.adopt(handle);
autoHeightParents(handle);
document.getElement('#' + handle.id).setStyle('width', this.element.getStyle('width'));
this.element.makeResizable({
handle: handle.id,
grid: 20,
modifiers: { x: 'width', y: 'height' },
limit: { x: [this.options.min_x, this.options.max_x], y: [this.options.min_y, this.options.max_y] },
onStart: function(el)
{
autoHeightParents(handle);
document.getElement('body').addClass('dragging');
},
onComplete: function(el)
{
document.getElement('body').removeClass('dragging');
},
onDrag: function(el)
{
document.getElement('#' + handle.id).setStyle('width', this.element.getStyle('width'));
}
});
}
});
if (typeof this.window['autoHeightParents'] != 'function') {
function autoHeightParents(element)
{
var parent = element.parentNode;
for (var i = 0; i < 50; i++) {
if (parent) {
if (parent.name == 'adminForm') {
break;
}
if (parent.tagName == 'DIV') {
parent.style.height = 'auto';
}
parent = parent.parentNode;
}
}
}
}