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Adding support for "week" granularity #2

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Adding support for "week" granularity #2

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83 changes: 83 additions & 0 deletions litecal_plugin_style_litecal.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,25 @@ class litecal_plugin_style_litecal extends views_plugin_style {

$litecal = new litecal_month($arg_from, $arg_to, $options);
break;

case 'week':
// Generate Prev / Next links
$next_week = ($view->argument[$argument]->week == 52) ? 1 : $view->argument[$argument]->week + 1;
$next_year = ($view->argument[$argument]->week == 52) ? $view->argument[$argument]->year + 1 : $view->argument[$argument]->year;

$prev_week = ($view->argument[$argument]->week == 1) ? 52 : $view->argument[$argument]->week - 1;
$prev_year = ($view->argument[$argument]->week == 1) ? $view->argument[$argument]->year - 1 : $view->argument[$argument]->year;

$args[$arg_pos] = "{$prev_year}-W{$prev_week}";
$links['prev'] = array('title' => t('Previous'), 'href' => $view->get_url($args));

$args[$arg_pos] = "{$next_year}-W{$next_week}";
$links['next'] = array('title' => t('Next'), 'href' => $view->get_url($args));

$vars['links'] = $links;

$litecal = new litecal_week($arg_from, $arg_to, $options);
break;
}

$items = array();
Expand Down Expand Up @@ -335,6 +354,70 @@ class litecal_month {
}
}

/**
* A week class. Manages a set of timespans which represent days of
* the week and a single set of items which may be displayed in those
* timespans.
*/
class litecal_week extends litecal_month {
var $display_from;
var $display_to;
var $from;
var $to;

var $options = array();
var $items = array();

var $timespans;
var $built;

function __construct($from_date, $to_date, $options = array()) {
$this->options = $options;

$this->from = drupal_clone($from_date);
$this->to = drupal_clone($to_date);

$this->display_from = drupal_clone($from_date);
$this->display_to = drupal_clone($to_date);

// Generate timespans
$current = drupal_clone($this->display_from);

while (litecal_date_difference($this->display_to, $current, 'hours') > 0) {
$timespan = new litecal_timespan($current, 7, 'days');

// If the real calendar start is not the same as the display start,
// We need to store it with the timespan.
if (litecal_date_between($this->from, $timespan->from, $timespan->to)) {
$timespan->real_from = drupal_clone($this->from);
}
// If the real calendar end is not the same as the display end,
// We need to store it with the timespan.
if (litecal_date_between($this->to, $timespan->from, $timespan->to)) {
$timespan->real_to = drupal_clone($this->to);
}

$this->timespans[] = $timespan;
date_modify($current, '+7 days');
}
}

/**
* Render items to HTML and store in structured array.
*/
function build() {
// Identical to month except title
parent::build();

// Week title
$months = date_month_names();
$month = date_format($this->from, 'n');
$day = date_format($this->from, 'j');
$year = date_format($this->from, 'Y');
$this->built['title'] = 'Week of ' . $months[(int) $month] .' '. $day .' '. $year;
}
}

/**
* A timespan class. Represents any generalized slice of time where
* event items can be displayed.
Expand Down