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Button.php
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Button.php
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<?php
namespace iutbay\yii2bootstrap;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
use yii\helpers\Url;
use iutbay\yii2fontawesome\FontAwesome as FA;
/**
* Button widget
* @author Kevin LEVRON <kevin.levron@gmail.com>
*/
class Button extends \yii\bootstrap\Button
{
/**
* The URL for the hyperlink tag. This parameter will be processed by [[Url::to()]]
* @var array|string|null
*/
public $url;
/**
* @var string the button label
*/
public $label = '';
/**
* Button type
* @var string
*/
public $type = 'default';
/**
* Button size
* @var string
*/
public $size = '';
/**
* FontAwesome Icon
* @var string
*/
public $icon;
/**
* @var boolean
*/
public $visible = true;
/**
* @var boolean
*/
public $disabled = false;
/**
* Tooltip
* @var string
*/
public $tooltip = '';
/**
* Dropdown items
* @var string
*/
public $items;
/**
* Split button dropdowns
* @var boolean
*/
public $split = true;
/**
* Renders the widget.
*/
public function run()
{
if (!$this->visible)
return '';
if ($this->url !== null) {
$this->options['href'] = Url::to($this->url);
$this->tagName = 'a';
}
if ($this->disabled) {
$this->options['disabled'] = 'disabled';
$this->tagName = 'button';
$this->items = null;
unset($this->options['href'], $this->options['target']);
}
if (!empty($this->type)) {
if ($this->type == 'submit') {
$this->options['type'] = $this->type;
Html::addCssClass($this->options, 'btn-primary');
} else if ($this->type == 'button') {
$this->options['type'] = $this->type;
Html::addCssClass($this->options, 'btn-default');
} else {
Html::addCssClass($this->options, 'btn-' . $this->type);
}
}
if (!empty($this->size)) {
Html::addCssClass($this->options, 'btn-' . $this->size);
}
if (!empty($this->tooltip)) {
$this->options['title'] = $this->tooltip;
$this->options['data']['toggle'] = 'tooltip';
$this->options['data']['container'] = 'body';
}
if (!empty($this->icon)) {
$this->label = FA::icon($this->icon) . ' ' . $this->label;
$this->encodeLabel = false;
}
if (is_array($this->items)) {
return $this->renderDropdown();
}
return parent::run();
}
/**
* Render a dropdown button
* @return string
*/
protected function renderDropdown()
{
// build button(s)
$caret = '<span class="caret"></span>';
if ($this->split) {
$button = parent::run();
$button.= self::widget([
'label' => $caret,
'encodeLabel' => false,
'type' => $this->type,
'options' => [
'class' => 'dropdown-toggle',
'data-toggle' => 'dropdown',
],
]);
} else {
$this->label.= " {$caret}";
$this->encodeLabel = false;
$this->tooltip = '';
$this->options['data-toggle'] = 'dropdown';
Html::addCssClass($this->options, 'dropdown-toggle');
$button = parent::run();
}
// build dropdown
$dropdown = Dropdown::widget([
'items' => $this->items,
]);
// return button group
$buttonGroup = Html::tag('div', "{$button}\n{$dropdown}", ['class' => 'btn-group']);
return $buttonGroup;
}
}