How to programmatically change default values for exposed date filter?

I did it like this :

function MYMODULE_form_views_exposed_form_alter(&$form, &$form_state) {

  if($form['#id'] == 'views-exposed-form-Courses-page-3') // change "views-exposed-form-Courses-page-3" by your form id
  {
    $form['date_filter']['min']['#date_format'] = 'd/m/y'; // I'm changing it to the format 13/01/90
    $form['date_filter']['max']['#date_format'] = 'd/m/y';
  }

}

Hope this can help

Mat

This won't help until the form is submitted. I think the OP wants the initial display of the view to be defaulted. I think something like hook_views_pre_build() will help but I haven't quite worked that one out.

I was able to achieve this with the following code. It may not be the best way.

<?php
function MYMODULE_views_pre_build($view) {
  $dates = array(
    'start' => mktime(),
    'end' => mktime() + 86400,
  );
  $_GET['date_filter'] = $_REQUEST['date_filter'] = array(
    'min' => array('date' => date('d/m/Y', $dates['start'])),
    'max' => array('date' => date('d/m/Y', $dates['end'])),
  );  
}
?>

You would probably be better off altering $view->display['default']->handler->options['filters']['date_filter'] though.

Hi,
I tried to modify directly the view data with:

function MY_MODULE_views_pre_build($view) {

  if ($view->name=='MY_VIEW') {

	  $view->display['page_1']->handler->handlers['filter']['timestamp']->value['min'] = '2012-02-18 00:00:00';
	  $view->display['page_1']->handler->handlers['filter']['timestamp']->value['max'] = '2012-02-20 00:00:00';
	  $view->display['page_1']->handler->handlers['filter']['timestamp']->value['value'] = '';
	  
	  $view->display['page_1']->handler->handlers['filter']['timestamp']->options['value']['min'] = '2012-02-18 00:00:00';
	  $view->display['page_1']->handler->handlers['filter']['timestamp']->options['value']['max'] = '2012-02-20 00:00:00';
	  $view->display['page_1']->handler->handlers['filter']['timestamp']->options['value']['value'] = '';
	  
	  return $view;
  }
}

but nothing appears in the exposed filter... SHould I modify something else somewhere else?
Or is the pre_build hook simply not the right one for this?

Instead of this you can use folloing code

/**
 * hook_views_pre_view
 * @param type $view
 * @param type $display_id
 * @param type $args
 */
function MODULE_NAME_views_pre_view(&$view, &$display_id, &$args) {
  if ($view->name == 'VIEW_NAME') {
    $filters = $view->display_handler->get_option('filters');    
    $view->display_handler->override_option('filters', $filters);
  }
}



/**
 * hook__views_pre_build
 * @param type $view
 * @return type
 */
function MODULE_NAME_views_pre_build($view) { 
  if ($view->name=='VIEW_NAME') {    
    $view->display['page']->handler->handlers['filter']['filter_field']->value['value'] = 8;
$view->display['page']->handler->handlers['filter']['timestamp']->options['value']['min'] = '2012-02-18 00:00:00';
  $view->display['page']->handler->handlers['filter']['timestamp']->options['value']['max'] = '2012-02-20 00:00:00';
    return $view;
  }     
}

thanks @purabkharat, from your posting i figured out how to set a term ref field default value:

function umd_views_pre_build(&$view) {
  if ($view->display[$view->current_display]->handler->handlers['filter']['field_term_tid']) {
    $current = _umd_get_current_term();
    $view->display[$view->current_display]->handler->handlers['filter']['field_term_tid']->value = array($current => $current);
  }
  
  return;  
}

where _umd_get_current_term() is simply a custom function which returns the required/dynamic tid value.

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