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163
vendor/stefangabos/zebra_form/includes/Note.php
vendored
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163
vendor/stefangabos/zebra_form/includes/Note.php
vendored
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<?php
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/**
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* Class for notes attached to controls
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*
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* @author Stefan Gabos <contact@stefangabos.ro>
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* @copyright (c) 2006 - 2016 Stefan Gabos
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* @package Controls
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*/
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class Zebra_Form_Note extends Zebra_Form_Control
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{
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/**
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* Adds a "note" to the form, attached to a control.
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*
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* <b>Do not instantiate this class directly! Use the {@link Zebra_Form::add() add()} method instead!</b>
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*
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* <code>
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* // create a new form
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* $form = new Zebra_Form('my_form');
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*
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* // add a text control to the form
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* $obj = $form->add('text', 'my_text');
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*
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* // attach a note to the textbox control
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* $form->add('note', 'note_my_text', 'my_text', 'Enter some text in the field above');
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*
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* // don't forget to always call this method before rendering the form
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* if ($form->validate()) {
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* // put code here
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* }
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*
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* // output the form using an automatically generated template
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* $form->render();
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* </code>
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*
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* @param string $id Unique name to identify the control in the form.
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*
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* This is the name of the variable to be used in the template file, containing
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* the generated HTML for the control.
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*
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* <code>
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* // in a template file, in order to print the generated HTML
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* // for a control named "my_note", one would use:
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* echo $my_note;
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* </code>
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*
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* @param string $attach_to The <b>id</b> attribute of the control to attach the note to.
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*
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* <i>Notice that this must be the "id" attribute of the control you are attaching
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* the label to, and not the "name" attribute!</i>
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*
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* This is important as while most of the controls have their <b>id</b> attribute
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* set to the same value as their <b>name</b> attribute, for {@link Zebra_Form_Checkbox checkboxes},
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* {@link Zebra_Form_Select selects} and {@link Zebra_Form_Radio radio buttons} this
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* is different.
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*
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* <b>Exception to the rule:</b>
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*
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* Just like in the case of {@link Zebra_Form_Label labels}, if you want a <b>master</b>
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* note, a note that is attached to a <b>group</b> of checkboxes/radio buttons rather than
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* individual controls, this attribute must instead refer to the <b>name</b> of the
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* controls (which, for groups of checkboxes/radio buttons, is one and the same).
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*
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* @param string $caption Content of the note (can be both plain text and/or HTML)
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*
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* @param array $attributes (Optional) An array of attributes valid for
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* {@link http://www.w3.org/TR/REC-html40/struct/global.html#h-7.5.4 div}
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* elements (style, etc)
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*
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* Must be specified as an associative array, in the form of <i>attribute => value</i>.
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* <code>
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* // setting the "style" attribute
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* $obj = $form->add(
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* 'note',
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* 'note_my_text',
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* 'my_text',
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* array(
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* 'style' => 'width:250px'
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* )
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* );
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* </code>
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*
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* See {@link Zebra_Form_Control::set_attributes() set_attributes()} on how to set
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* attributes, other than through the constructor.
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*
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* The following attributes are automatically set when the control is created and
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* should not be altered manually:<br>
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* <b>class</b>
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*
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* @return void
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*/
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function __construct($id, $attach_to, $caption, $attributes = '')
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{
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// call the constructor of the parent class
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parent::__construct();
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// set the private attributes of this control
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// these attributes are private for this control and are for internal use only
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$this->private_attributes = array(
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'caption',
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'disable_xss_filters',
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'locked',
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'for',
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'name',
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'type',
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);
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// set the default attributes for the HTML control
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$this->set_attributes(
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array(
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'class' => 'note',
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'caption' => $caption,
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'for' => $attach_to,
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'id' => $id,
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'name' => $id,
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'type' => 'note',
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)
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);
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// if "class" is amongst user specified attributes
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if (is_array($attributes) && isset($attributes['class'])) {
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// we need to set the "class" attribute like this, so it doesn't overwrite previous values
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$this->set_attributes(array('class' => $attributes['class']), false);
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// make sure we don't set it again below
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unset($attributes['class']);
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}
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// sets user specified attributes for the control
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$this->set_attributes($attributes);
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}
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/**
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* Generates the control's HTML code.
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*
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* <i>This method is automatically called by the {@link Zebra_Form::render() render()} method!</i>
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*
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* @return string The control's HTML code
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*/
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function toHTML()
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{
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$attributes = $this->get_attributes('caption');
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return '<div ' . $this->_render_attributes() . '>' . $attributes['caption'] . '</div>';
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}
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}
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?>
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