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<?php
// $Id$
/**
* @file panels_page.write.inc
*
* Functions responsible for writing panels_page data to the database.
*/
// Ugly, but whenever we need to write, we need to read, so...
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require_once dirname(__FILE__) . '/panels_page.read.inc';
function panels_page_fields() {
$fields = array();
$schema = drupal_get_schema('panels_page');
foreach ($schema['fields'] as $field => $info) {
$fields[$field] = db_type_placeholder($info['type']);
}
return $fields;
}
/**
* Check to see if the panel page needs to be saved due to a display having
* been just saved.
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*
* Wrapper for panels_page_save().
*/
function panels_page_save_display(&$panel_page) {
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if (empty($panel_page->displays[$panel_page->current]['did']) || $panel_page->displays[$panel_page->current]['did'] == 'new') {
return panels_page_save($panel_page);
}
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}
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/**
* Prepare an imported panel page for insertion into the database, then
* insert it.
*
* Wrapper for panels_page_save().
*/
function panels_page_save_import(&$panel_page) {
foreach ($panel_page->displays as $id => $info) {
$imported_display = panels_save_display($info['display']);
$panel_page->displays[$id]['did'] = $imported_display->did;
unset($panel_page->displays[$id]['display']);
}
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return panels_page_save($panel_page);
}
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/**
* Main entry point for panels_page save functions.
*/
function panels_page_save(&$panel_page) {
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panels_page_sanitize($panel_page);
return empty($panel_page->pid) || $panel_page->pid == 'new' ?
_panels_page_insert($panel_page) :
_panels_page_update($panel_page);
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}
/**
* Insert a new panel page into the database.
*
*/
function _panels_page_insert(&$panel_page) {
$fields = $types = $values = array();
// Save the primary display, thus creating a $display->did.
panels_save_display($panel_page->primary);
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$schema = drupal_get_schema('panels_page');
$clone = drupal_clone($panel_page);
$clone->did = $panel_page->primary->did;
foreach ($schema['fields'] as $field => $info) {
if (isset($panel_page->$field) && $info['type'] != 'serial') {
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$fields[] = $field;
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$placeholders[] = db_type_placeholder($info['type']);
$values[] = _panels_page_save_value($info, $clone->$field);
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}
}
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// Build the query adding the new pid and did.
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$sql = 'INSERT INTO {panels_page} (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $placeholders) . ')';
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db_query($sql, $values);
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$panel_page->pid = db_last_insert_id('panels_page', 'pid');
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// Return the pid for convenience.
return $panel_page->pid;
}
/**
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* Save an existing panel page to the database.
*/
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function _panels_page_update(&$panel_page) {
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$values = $pairs = array();
// Save the display if one was given to us.
if (!empty($panel_page->display)) {
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panels_save_display($panel_page->display);
if ($panel_page->current != 'primary') {
$panel_page->displays[$panel_page->current]['did'] = $panel_page->display->did;
unset($panel_page->displays[$panel_page->current]['display']);
}
}
// Build arrays of fields and types (resp. pairs of both) and of values.
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$schema = drupal_get_schema('panels_page');
foreach ($schema['fields'] as $field => $info) {
// Skip empty values.
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if (isset($panel_page->$field)) {
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$pairs[] = $field . " = " . db_type_placeholder($info['type']);
$values[] = _panels_page_save_value($info, $panel_page->$field);
}
}
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// Build the query filtering by the primary key.
$sql = 'UPDATE {panels_page} SET ' . implode(', ', $pairs) . ' WHERE pid = %d';
$values[] = $panel_page->pid;
db_query($sql, $values);
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// Return the pid for convenience.
return $panel_page->pid;
}
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/**
* Process values for saving based upon data in the schema
*/
function _panels_page_save_value($info, $value) {
$storage_type = isset($info['storage_type']) ? $info['storage_type'] : 'normal';
switch ($storage_type) {
case 'serialize':
return serialize($value);
case 'implode':
return implode(',', (array) $value);
default:
return $value;
}
}
/**
* Delete a panel page and its associated displays.
*/
function panels_page_delete($panel_page) {
// Delete the panel page.
db_query("DELETE FROM {panels_page} WHERE pid = %d", $panel_page->pid);
// Delete the primary display.
panels_delete_display($panel_page->did);
// Delete all secondary displays.
if (!empty($panel_page->displays)) {
foreach ($panel_page->displays as $info) {
if ($info['did'] !== 'new') {
panels_delete_display($info['did']);
}
}
}
menu_rebuild();
}
/**
* Export a panel page into PHP code for use in import.
*
* The code returned from can be used directly in panels_page_save().
*/
function panels_page_export($panel_page, $prefix = '') {
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// Make sure the primary display is the current display.
panels_page_fetch_display($panel_page);
$output = '';
$fields = panels_page_fields();
$output .= $prefix . '$page = new stdClass()' . ";\n";
$output .= $prefix . '$page->pid = \'new\'' . ";\n";
foreach (array_keys($fields) as $field) {
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if (isset($panel_page->$field) && !in_array($field, array('displays', 'contexts', 'display'))) {
$output .= $prefix . ' $page->' . $field . ' = ' . panels_var_export($panel_page->$field, ' ') . ";\n";
}
}
// Export the contexts.
$output .= $prefix . '$page->contexts = array()' . ";\n";
foreach ($panel_page->contexts as $id => $info) {
$output .= $prefix . ' $page->contexts[\'' . $id . "'] = array(\n";
foreach ($info as $key => $value) {
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$output .= $prefix . " '$key' => " . panels_var_export($value, ' ') . ",\n";
}
$output .= $prefix . " );\n";
}
// Export the primary display
$display = !empty($panel_page->display) ? $panel_page->display : panels_load_display($panel_page->did);
$output .= panels_export_display($display, $prefix);
$output .= $prefix . '$page->display = $display' . ";\n";
// Export all secondary displays
$output .= $prefix . '$page->displays = array()' . ";\n";
foreach ($panel_page->displays as $id => $info) {
$output .= $prefix . ' $page->displays[\'' . $id . "']['title'] = '" . check_plain($info['title']) . "';\n";
$output .= $prefix . ' $page->displays[\'' . $id . "']['argument_id'] = '" . check_plain($info['argument_id']) . "';\n";
if (!empty($info['display'])) {
$display = $info['display'];
}
else if (panels_page_fetch_display($panel_page, $id)) {
$display = $panel_page->display;
}
if (is_object($display)) {
$output .= panels_export_display($display, $prefix . ' ');
$output .= $prefix . ' $page->displays[\'' . $id . "']['display'] = \$display;\n";
unset($display);
}
else {
$output .= $prefix . ' $page->displays[\'' . $id . "']['display'] = \NULL;\n";
}