<?php
/**
 * @file
 * Module's main file.
 */


/**
 * Implements hook_menu().
 *
 * Here we set up the URLs (menu entries) for the
 * form examples. Note that most of the menu items
 * have page callbacks and page arguments set, with
 * page arguments set to be functions in external files.
 */
function sliderfield_example_menu() {
  $items = array();
  $items['examples/sliderfield'] = array(
    'title' => 'SliderField Examples',
    'page callback' => 'sliderfield_example_intro',
    'access callback' => TRUE,
    'expanded' => TRUE,
  );
  $items['examples/sliderfield/custom_form'] = array(
    'title' => 'Custom Form Sample',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('sliderfield_example_custom_form'),
    'access callback' => TRUE,
    'description' => 'Usage example for custom form',
    'type' => MENU_NORMAL_ITEM,
  );

  return $items;
}

/**
 * Page callback for our general info page.
 */
function sliderfield_example_intro() {
  $markup = t('Several examples for demonstrating and testing sliderfield');
  $markup .= '<ul>';
  $markup .= '<li>' . l(t('Custom Demonstration Form'), 'examples/sliderfield/custom_form') . '</li>';
  $markup .= '</ul>';
  return array('#markup' => $markup);
}

/**
 * A custom form
 */
function sliderfield_example_custom_form($form, &$form_state) {
  $form['description'] = array(
    '#type' => 'item',
    '#title' => t('A sample form'),
  );

  $form['slider'] = array(
    '#type' => 'transfer_slider',
    '#title' => t('Transfer Slider'),
    '#left_value' => 0,
    '#right_value' => 200,
    '#left' => t('Left input'),
    '#right' => t('Right input'),
    '#size' => 4,
  );

  $form['slider1'] = array(
    '#type' => 'slider',
    '#title' => 'Simple Slier',
    '#title2' => NULL,
    '#input_title' => t('Min'),
    '#input2_title' => t('Max'),
    /**
     * Boolean: When set to true, the handle will animate with the default duration.
     * String: The name of a speed, such as "fast" or "slow".
     * Number: The duration of the animation, in milliseconds.
     */
    '#animate' => 'fast',
    /**
    * Make the min value adjustable dynamically via another element
    * Type of the value CSS selector
    * like .myfield, #element_id
    */
    'adjust_field_min' => NULL,
    /**
    * Make the max value adjustable dynamically via another element
    * Type of the value CSS selector
    * like .myfield, #element_id
    */
    'adjust_field_max' => NULL,
    /**
     * Disables the slider if set to true.
     */
    '#disabled' => FALSE,
    /**
     * The maximum value of the slider.
     */
    '#max' => 100,
    /**
     * The minimum value of the slider.
     */
    '#min' => 0,
    /**
     * Determines whether the slider handles move horizontally (min on left, max on right)
     * or vertically (min on bottom, max on top). Possible values: "horizontal", "vertical".
     */
    '#orientation' => 'horizontal',
    /**
     * Whether the slider represents a range.
     * Multiple types supported:
     *   Boolean: If set to true, the slider will detect if you have two handles and create a stylable range element between these two.
     *   String: Either "min" or "max". A min range goes from the slider min to one handle. A max range goes from one handle to the slider max.
     */
    '#range' => FALSE,
    /**
     * Determines the size or amount of each interval or step the slider takes between the min and max.
     * The full specified value range of the slider (max - min) should be evenly divisible by the step.
     */
    '#step' => 1,
    /**
     * Determines the value of the slider, if there's only one handle.
     * If there is more than one handle, determines the value of the first handle.
     * Or an array of values can be passed array('value'=>1 , 'value2'=> 2) ,
     * the order of values is important
     */
    //'#value' => 0,
    '#default_value' => NULL,
    /**
     * Some default color styles for ease of use
     * red, green, blue
     */
    '#slider_style' => NULL,
    /**
     * Default size for input values
     */
    '#size' => 3,
    /**
     * If set to FALSE will display inputs only when javascript is disabled
     */
    '#display_inputs' => TRUE,
    /**
     * If enabled display the current values of slider
     * as simple text
     */
    '#display_values' => FALSE,
    /**
     * Format of the displaied values
     * The usage is mostly for showing $,% or other signs near the value
     */
    '#display_values_format' => '%{value}%',
    /**
     * Acceptable types are the same as css with and height and it will be used as width
     * or height depending on #orientation
     */
    '#slider_length' => NULL,
    /**
     * Display the element inside a fieldset
     */
    '#display_inside_fieldset' => FALSE,
    /**
     * Sliders with the same group will be linked
     * The behavior of linked sliders depends on group_type parametr
     * group name can only contain letters, numbers and underscore
     */
    '#group' => NULL,
    /**
     * same : All sliders in the same group will have the same value.
     * lock : All sliders in the same group will move with the exact same amount
     * total : The total value of all sliders will be between min/max , incresing value of
     *         one slider decreases the rest of the sliders in the same group
     */
    '#group_type' => 'same',
    /**
     * When set to TRUE, other sliders in the same
     * group will change only if this slider changes
     * values : TRUE , FALSE
     */
    '#group_master' => FALSE,
    /**
     * Disable buildin range validation
     * useful when element is used as widget
     * for fields, since integer fields have range validation
     * values : TRUE , FALSE
     */
    '#validate_range' => TRUE
  );
  
  $form['slider2'] = array(
    '#title' => 'Range Slider',
    '#type' => 'slider',
    '#default_value' => array('value' => 200, 'value2' => 700),
    //'#orientation' => 'vertical',
    '#slider_style' => 'orange',
    '#range' => TRUE,
    '#min' => 10,
    '#max' => 1000,
    '#step' => 1,
	'#display_bubble' => TRUE,
	'#display_bubble_format' => '$%{value}%',
    //'#required' => 1,
    //'#disabled' => TRUE,
    //'#display_inputs' => FALSE,
    '#display_values' => TRUE,
  );
  
  $form['slider3'] = array(
    '#title' => 'Slider Min',
    '#type' => 'slider',
    '#default_value' => 50,
    //'#orientation' => 'vertical',
    '#slider_style' => 'blue',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    //'#required' => 1,
    //'#disabled' => TRUE,
    '#display_inputs' => FALSE,
    '#display_values' => TRUE,
    '#slider_length' => '100px',
  );
  
  $form['slider4'] = array(
    '#title' => 'Vertical Slider Max',
    '#type' => 'slider',
    '#default_value' => 50,
    '#orientation' => 'vertical',
    '#slider_style' => 'green',
    '#range' => 'max',
    '#min' => 1,
    '#max' => 100,
    '#step' => 10,
    //'#required' => 1,
    //'#disabled' => TRUE,
    '#display_inputs' => FALSE,
    '#display_values' => TRUE,
    '#slider_length' => '100px',
  );
  
  $form['ajax_simple'] = array(
    '#type' => 'fieldset',
    '#title' => t('Simple Ajax Test')
  );
  $form['ajax_simple']['trigger'] = array(
    '#title' => 'Item 1',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'green',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
    //'#display_bubble' => TRUE,
    '#ajax' => array(
      // #ajax has two required keys: callback and wrapper.
      // 'callback' is a function that will be called when this element changes.
      'callback' => 'sliderfield_example_simplest_callback',
      // 'wrapper' is the HTML id of the page element that will be replaced.
      'wrapper' => 'replace_textfield_div',
      // There are also several optional keys - see ajax_example_autocheckboxes
      // below for details on 'method', 'effect' and 'speed' and
      // ajax_example_dependent_dropdown for 'event'.
    ),
  );

  // This entire form element will be replaced whenever 'changethis' is updated.
  $form['ajax_simple']['replace_textfield'] = array(
    '#type' => 'textfield',
    '#title' => t("Why"),
    // The prefix/suffix provide the div that we're replacing, named by
    // #ajax['wrapper'] above.
    '#prefix' => '<div id="replace_textfield_div">',
    '#suffix' => '</div>',
  );

  // An AJAX request calls the form builder function for every change.
  // We can change how we build the form based on $form_state.
  if (!empty($form_state['values']['changethis'])) {
    $form['ajax_simple']['replace_textfield']['#description'] = t("Say why you chose '@value'", array('@value' => $form_state['values']['changethis']));
  }


  $form['element_status'] = array(
    '#type' => 'fieldset',
    '#title' => t('Element Status')
  );
  $form['element_status']['slider'] = array(
    '#title' => t('My slider'),
    '#type' => 'slider',
    '#default_value' => 2,
    '#min' => 1,
    '#max' => 10,
    '#step' => 1,
	'#disabled' => FALSE,
    '#required' => TRUE,
    '#states' => array(
      'disabled' => array(
        ':input[name="checkit"]' => array('checked' => TRUE),
      ),
    ),
  );
  $form['element_status']['checkit'] = array(
    '#type' => 'checkbox',
    '#title' => t('Check to disable slider'),
    '#default_value' => 0,
  );

  $form['group'] = array(
    '#type' => 'fieldset',
    '#title' => t('Group Slider (Same)')
  );

  $form['group']['slider5'] = array(
    '#title' => 'Item 1',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'green',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_first',
	'#group_type' => 'same',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group']['slider6'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'red',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_first',
	'#group_type' => 'same',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group']['slider7'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 30,
    '#slider_style' => 'purple',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_first',
	'#group_type' => 'same',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group']['slider8'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 40,
    '#slider_style' => 'orange',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_first',
	'#group_type' => 'same',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );


  $form['group_total'] = array(
    '#type' => 'fieldset',
    '#title' => t('Group Slider (Total)')
  );

  $form['group_total']['slider5'] = array(
    '#title' => 'Item 1',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'green',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_second',
	'#group_type' => 'total',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_total']['slider6'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'red',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_second',
	'#group_type' => 'total',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_total']['slider7'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 30,
    '#slider_style' => 'purple',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_second',
	'#group_type' => 'total',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_total']['slider8'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 40,
    '#slider_style' => 'orange',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_second',
	'#group_type' => 'total',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );

  $form['group_lock'] = array(
    '#type' => 'fieldset',
    '#title' => t('Group Slider (Lock)')
  );

  $form['group_lock']['slider5'] = array(
    '#title' => 'Item 1',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'green',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_third',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_lock']['slider6'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'red',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_third',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_lock']['slider7'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 30,
    '#slider_style' => 'purple',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_third',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_lock']['slider8'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 40,
    '#slider_style' => 'orange',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_third',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );

  $form['group_master'] = array(
    '#type' => 'fieldset',
    '#title' => t('Group Slider (Master)')
  );

  $form['group_master']['slider5'] = array(
    '#title' => 'Item 1',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'green',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_forth',
	'#group_type' => 'lock',
	'#group_master' => TRUE,
    //'#display_bubble' => TRUE,
  );
  $form['group_master']['slider6'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 50,
    '#slider_style' => 'red',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_forth',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_master']['slider7'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 30,
    '#slider_style' => 'purple',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_forth',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );
  $form['group_master']['slider8'] = array(
    '#title' => 'Item 2',
    '#type' => 'slider',
    '#default_value' => 40,
    '#slider_style' => 'orange',
    '#range' => 'min',
    '#min' => 1,
    '#max' => 100,
    '#step' => 1,
    '#display_inputs' => FALSE,
	'#group' => 'items_forth',
	'#group_type' => 'lock',
	'#group_master' => NULL,
    //'#display_bubble' => TRUE,
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit'),
  );

  return $form;
}


/**
 * Callback for ajax_example_simplest.
 *
 * On an ajax submit, the form builder function is called again, then the $form
 * and $form_state are passed to this callback function so it can select which
 * portion of the form to send on to the client.
 *
 * @return renderable array (the textfield element)
 */
function sliderfield_example_simplest_callback($form, $form_state) {
  // The form has already been submitted and updated. We can return the replaced
  // item as it is.
  return 'The selected value is ' . $form_state['values']['trigger']['value'];
}

/**
 * Validation function for form_example_tutorial_7().
 */
function sliderfield_example_custom_form_validate($form, &$form_state) {
  /**
  * @todo In the first step $form_state['storage']['all'] is not available, it should be fixed
  */
  //if ($form_state['storage']['all']['values']['name']['first'] == $form_state['storage']['all']['values']['name']['last']) {
    //form_set_error('first', t('First name and last name should not be the same.'));
  //}
}

/**
 * Submit function for form_example_tutorial_7().
 *
 * Adds a submit handler/function to our form to send a successful
 * completion message to the screen.
 */
function sliderfield_example_custom_form_submit($form, &$form_state) {
  if (isset($form_state['values'])) {
    $values = $form_state['values'];
    if (isset($form_state['field_group_ajaxified_multipage_enabled']) && isset($form_state['storage']['all']['values'])) {
      $values = $form_state['storage']['all']['values'];
    }
  }
  drupal_set_message(t('The form has been submitted. name="@first @last", address=@address, description=@description',
    array('@first' => $values['name']['first'], '@last' => $values['name']['last'], '@address' => $values['address'], '@description' => $values['description'])));
  return '';
}