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<?php //$Id$
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function order_related_form_alter($form_id, &$form) {
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if (!isset($form['order'])) return;
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// i need to validate the form so that I can add new items to the node
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$form["#validate"]['order_related_update_relations'] = array();
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/* find all nodes that are order-able. This is a big silly hack and needs
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to be replaced with a better selection mechanism (i'm lookin' at you, mark!)
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mark sez: hold your horses, it's coming. if i didn't have to build a new ecommerce system
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it'd be here sooner. ;-)
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*/
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/* Hack time -- pull data out of post to stick in the node form, so that code below
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can render the right number of related items.
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TODO I should probably reimplement this as a form element (ie. hook_elements) */
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// dprint_r($_POST);
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if ($_POST['op'] == t('Update relations')) {
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if ($new_nid = $_POST['order_related']['selection']) {
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$form['#node']->order_related[$new_nid]->cost = NULL;
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$form['#node']->order_related[$new_nid]->description = NULL;
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$form['#node']->order_related[$new_nid]->selected = false;
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}
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}
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if (is_array($_POST['order_related'])) {
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foreach ($_POST['order_related'] as $nid => $values) {
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if (!is_int($nid)) continue;
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$form['#node']->order_related[$nid]->cost = $values['cost'];
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$form['#node']->order_related[$nid]->description = $values['description'];
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$form['#node']->order_related[$nid]->selected = $values['selected'];
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}
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}
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// end hack
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$node = $form['#node'];
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$all_nodes = array();
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$res = db_query("SELECT * FROM {node} WHERE type IN ( '". join("', '", variable_get('order_node_types', array())) ."')");
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while ($row = db_fetch_object($res)) {
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if ($row->nid == $node->nid) continue;
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$all_nodes[$row->nid] = $row->title;
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}
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$form['order']['order_related'] = array(
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'#tree' => 'true',
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'#type' => 'fieldset',
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'#title' => t('Related items'),
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);
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if (is_array($node->order_related)) {
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foreach ($node->order_related as $nid => $values) {
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$current_node = node_load(array('nid' => $nid));
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$form['order']['order_related'][$nid]['title'] = array(
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'#type' => 'markup',
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'#value' => l($current_node->title, 'node/'. $nid),
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);
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$form['order']['order_related'][$nid]['description'] = array(
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'#type' => 'textarea',
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'#title' => t('Description'),
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'#default_value' => $values->description,
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'#rows' => 3,
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'#cols' => 24,
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);
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$form['order']['order_related'][$nid]['cost'] = array(
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'#type' => 'textfield',
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'#title' => t('Price'),
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'#default_value' => $values->cost,
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'#size' => 5,
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'#suffix' => isset($current_node->order_cost) ? '<small>'.
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t('Leave blank to use original price (%cost).', array('%cost' => $current_node->order_cost))
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.'</small>' : NULL,
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);
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$form['order']['order_related'][$nid]['selected'] = array(
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'#type' => 'checkbox',
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'#title' => t('Suggest on cart?'),
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'#default_value' => $values->selected
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);
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}
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}
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$form['order']['order_related']['selection'] = array(
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'#type' => 'select',
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'#multiple' => false,
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'#options' => $all_nodes,
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'#title' => t('Related'),
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'#description' => t('Select a node to relate to this orderable item.'),
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);
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$form['order']['order_related']['button'] = array(
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'#type' => 'button',
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'#value' => t('Update relations'),
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);
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$form['order']['order_related']['#theme'] = 'order_related_form';
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/* todo enable this or put into a separate module
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$form['order']['order_included'] = array(
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'#type' => 'select',
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'#multiple' => true,
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'#options' => $all_nodes,
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'#title' => t('Included'),
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'#description' => t('If this product includes other items, list them here. They will be sold as a bundle'),
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'#default_value' => $node->order_included,
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);
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*/
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}
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function theme_order_related_form(&$form) {
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drupal_add_css(drupal_get_path('module', 'order') .'/order.css');
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$needed = false;
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foreach ($form as $nid => $item) {
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if (!is_int($nid)) continue;
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$needed = true;
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$hdrs = array(
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t('Title'),
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$form[$nid]['description']['#title'],
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$form[$nid]['cost']['#title'],
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$form[$nid]['selected']['#title']);
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// clear some data in the form
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unset($form[$nid]['title']['#title']);
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unset($form[$nid]['description']['#title']);
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unset($form[$nid]['cost']['#title']);
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unset($form[$nid]['selected']['#title']);
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$rows[] = array(
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drupal_render($form[$nid]['title']),
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drupal_render($form[$nid]['description']),
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drupal_render($form[$nid]['cost']),
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drupal_render($form[$nid]['selected'])
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);
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}
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if ($needed) {
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$out = theme('table', $hdrs, $rows, array('id' => 'order_related_node_edit'));
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}
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$out .= drupal_render($form);
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return $out;
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}
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function order_related_order_cart_alter($op, &$cart, &$item) {
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switch ($op) {
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case 'total':
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foreach ($cart->items as $nid => $data) {
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$node = $data['node'];
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if (!isset($node->order_related)) continue;
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$related = array();
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foreach ($node->order_related as $rnid => $rdata) {
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$rdata = (array) $rdata;
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$rnode = $rdata['node'];
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$rdata['qty'] = 1;
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if (!$rdata['cost']) $rdata['cost'] = $rnode->order_cost;
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// item already in cart
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if (isset($cart->items[$rnid])) {
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$cart->items[$rnid]['cost'] = $rdata['cost'];
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// todo update qty and show it as a related item somehow?
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continue;
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}
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$related[$rnid] = $rdata;
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}
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if (count($related)) {
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$cart->items[$nid]['form']['related']['#theme'] = 'order_related_cart_items';
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}
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foreach ($related as $rnid => $rdata) {
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$cart->items[$nid]['form']['related']['qty-'. $rnid] = array(
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'#type' => 'checkbox',
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'#return_value' => $rdata['qty'],
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'#title' => l($rdata['node']->title, 'node/'. $rnode->nid),
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'#attributes' => $rdata['selected'] ? NULL : array('onclick' => 'this.form.submit();'),
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'#default_value' => $rdata['selected'],
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'#description' => $rdata['description'],
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'#suffix' => $rdata['cost'],
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);
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}
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}
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}
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}
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function theme_order_related_cart_items($form) {
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$out = '<h4>Related Items</h4>';
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$children = element_children($form);
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$hdrs = array(
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t('Add'),
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t('Item'),
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t('Your Price'));
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$rows = array();
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foreach ($children as $key) {
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$current = $form[$key];
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$cost = $form[$key]['#suffix'];
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$title = $form[$key]['#title'];
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$description = $form[$key]['#description'];
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// clear away some of these items
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unset($form[$key]['#title']);
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unset($form[$key]['#suffix']);
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unset($form[$key]['#description']);
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$rows[] = array(
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drupal_render($form[$key]),
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"<h5>$title</h5>\n$description",
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$cost
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);
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}
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$out .= theme('table', $hdrs, $rows);
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$out .= drupal_render($form);
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return '<div class = "order-related-items">'. $out .'</div>';
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}
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