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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\bootstrap;
use Yii;
use yii\helpers\ArrayHelper;
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/**
* Modal renders a modal window that can be toggled by clicking on a button.
*
* The following example will show the content enclosed between the [[begin()]]
* and [[end()]] calls within the modal window:
*
* ~~~php
* Modal::begin([
* 'header' => '<h2>Hello world</h2>',
* 'toggleButton' => ['label' => 'click me'],
* ]);
*
* echo 'Say hello...';
*
* Modal::end();
* ~~~
*
* @see http://getbootstrap.com/javascript/#modals
* @author Antonio Ramirez <amigo.cobos@gmail.com>
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Modal extends Widget
{
const SIZE_LARGE = "modal-lg";
const SIZE_SMALL = "modal-sm";
const SIZE_DEFAULT = "";
/**
* @var string the header content in the modal window.
*/
public $header;
/**
* @var string additional header options
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
* @since 2.0.1
*/
public $headerOptions;
/**
* @var string the footer content in the modal window.
*/
public $footer;
/**
* @var string additional footer options
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
* @since 2.0.1
*/
public $footerOptions;
/**
* @var string the modal size. Can be [[SIZE_LARGE]] or [[SIZE_SMALL]], or empty for default.
*/
public $size;
/**
* @var array|false the options for rendering the close button tag.
* The close button is displayed in the header of the modal window. Clicking
* on the button will hide the modal window. If this is false, no close button will be rendered.
*
* The following special options are supported:
*
* - tag: string, the tag name of the button. Defaults to 'button'.
* - label: string, the label of the button. Defaults to '×'.
*
* The rest of the options will be rendered as the HTML attributes of the button tag.
* Please refer to the [Modal plugin help](http://getbootstrap.com/javascript/#modals)
* for the supported HTML attributes.
*/
public $closeButton = [];
/**
* @var array the options for rendering the toggle button tag.
* The toggle button is used to toggle the visibility of the modal window.
* If this property is false, no toggle button will be rendered.
*
* The following special options are supported:
*
* - tag: string, the tag name of the button. Defaults to 'button'.
* - label: string, the label of the button. Defaults to 'Show'.
*
* The rest of the options will be rendered as the HTML attributes of the button tag.
* Please refer to the [Modal plugin help](http://getbootstrap.com/javascript/#modals)
* for the supported HTML attributes.
*/
public $toggleButton = false;
/**
* Initializes the widget.
*/
public function init()
{
parent::init();
$this->initOptions();
echo $this->renderToggleButton() . "\n";
echo Html::beginTag('div', $this->options) . "\n";
echo Html::beginTag('div', ['class' => 'modal-dialog ' . $this->size]) . "\n";
echo Html::beginTag('div', ['class' => 'modal-content']) . "\n";
echo $this->renderHeader() . "\n";
echo $this->renderBodyBegin() . "\n";
}
/**
* Renders the widget.
*/
public function run()
{
echo "\n" . $this->renderBodyEnd();
echo "\n" . $this->renderFooter();
echo "\n" . Html::endTag('div'); // modal-content
echo "\n" . Html::endTag('div'); // modal-dialog
echo "\n" . Html::endTag('div');
$this->registerPlugin('modal');
}
/**
* Renders the header HTML markup of the modal
* @return string the rendering result
*/
protected function renderHeader()
{
$button = $this->renderCloseButton();
if ($button !== null) {
$this->header = $button . "\n" . $this->header;
}
if ($this->header !== null) {
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Html::addCssClass($this->headerOptions, ['widget' => 'modal-header']);
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return Html::tag('div', "\n" . $this->header . "\n", $this->headerOptions);
} else {
return null;
}
}
/**
* Renders the opening tag of the modal body.
* @return string the rendering result
*/
protected function renderBodyBegin()
{
return Html::beginTag('div', ['class' => 'modal-body']);
}
/**
* Renders the closing tag of the modal body.
* @return string the rendering result
*/
protected function renderBodyEnd()
{
return Html::endTag('div');
}
/**
* Renders the HTML markup for the footer of the modal
* @return string the rendering result
*/
protected function renderFooter()
{
if ($this->footer !== null) {
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Html::addCssClass($this->footerOptions, ['widget' => 'modal-footer']);
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return Html::tag('div', "\n" . $this->footer . "\n", $this->footerOptions);
} else {
return null;
}
}
/**
* Renders the toggle button.
* @return string the rendering result
*/
protected function renderToggleButton()
{
if (($toggleButton = $this->toggleButton) !== false) {
$tag = ArrayHelper::remove($toggleButton, 'tag', 'button');
$label = ArrayHelper::remove($toggleButton, 'label', 'Show');
if ($tag === 'button' && !isset($toggleButton['type'])) {
$toggleButton['type'] = 'button';
}
return Html::tag($tag, $label, $toggleButton);
} else {
return null;
}
}
/**
* Renders the close button.
* @return string the rendering result
*/
protected function renderCloseButton()
{
if (($closeButton = $this->closeButton) !== false) {
$tag = ArrayHelper::remove($closeButton, 'tag', 'button');
$label = ArrayHelper::remove($closeButton, 'label', '×');
if ($tag === 'button' && !isset($closeButton['type'])) {
$closeButton['type'] = 'button';
}
return Html::tag($tag, $label, $closeButton);
} else {
return null;
}
}
/**
* Initializes the widget options.
* This method sets the default values for various options.
*/
protected function initOptions()
{
$this->options = array_merge([
'class' => 'fade',
'role' => 'dialog',
'tabindex' => -1,
], $this->options);
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Html::addCssClass($this->options, ['widget' => 'modal']);
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if ($this->clientOptions !== false) {
$this->clientOptions = array_merge(['show' => false], $this->clientOptions);
}
if ($this->closeButton !== false) {
$this->closeButton = array_merge([
'data-dismiss' => 'modal',
'aria-hidden' => 'true',
'class' => 'close',
], $this->closeButton);
}
if ($this->toggleButton !== false) {
$this->toggleButton = array_merge([
'data-toggle' => 'modal',
], $this->toggleButton);
if (!isset($this->toggleButton['data-target']) && !isset($this->toggleButton['href'])) {
$this->toggleButton['data-target'] = '#' . $this->options['id'];
}
}
}
}
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