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<?php
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// $Id: webcams.module,v 1.15 2008/04/16 21:16:14 moonray Exp $
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/**
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* @file
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* Allows creation of dynamically updating webcam nodes, with one or multiple
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* webcams per node.
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*/
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if (module_exists('views')) {
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include(drupal_get_path('module', 'webcams') .'/views.inc');
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}
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/**
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* Implementation of hook_perm().
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*/
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function webcams_perm() {
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return array('access webcams', 'create webcams', 'edit webcams', 'edit own webcams');
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}
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/**
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* Implementation of hook_node_info().
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*/
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function webcams_node_info() {
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return array(
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'webcam' => array(
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'name' => t('Webcam'),
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'module' => 'webcams',
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'description' => t("Create dynamically updating webcam nodes, with one or multiple webcams per node."),
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)
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);
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}
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/**
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* Implementation of hook_access().
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*/
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function webcams_access($op, $node) {
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global $user;
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if (!user_access('access webcams')) {
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return FALSE;
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}
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if ($op == 'create') {
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return user_access('create webcams');
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}
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if ($op == 'update' || $op == 'delete') {
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if (user_access('edit webcams') || (user_access('edit own webcams') && $user->uid == $node->uid && $user->uid != 0)) {
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return TRUE;
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}
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function webcams_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'node/add/webcam',
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'title' => t('Webcam'),
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'access' => user_access('create webcams'),
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'type' => MENU_DYNAMIC_ITEM,
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);
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$items[] = array(
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'path' => 'admin/settings/webcams',
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'title' => t('Webcams'),
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'description' => t('Configure webcam settings.'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('webcams_admin_settings'),
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'access' => user_access('administer site configuration'),
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);
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}
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return $items;
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}
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/**
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* Administer settings form.
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*/
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function webcams_admin_settings() {
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$form['webcams_max_webcams_per_page'] = array(
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'#type' => 'select',
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'#title' => t('Maximum webcams per node'),
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'#description' => t('Enter the maximum number of webcams a node can contain.'),
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'#default_value' => variable_get('webcams_max_webcams_per_page', 4),
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'#options' => array(1 => 1, 2 => 2, 3 => 3, 4 => 4),
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);
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return system_settings_form($form);
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}
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/**
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* Implementation of hook_form().
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*/
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function webcams_form(&$node) {
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drupal_add_css(drupal_get_path('module', 'webcams') .'/webcams.css');
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if (count($node->webcams) < variable_get('webcams_max_webcams_per_page', 4)) {
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$webcam = new StdClass;
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$webcam->wid = 0;
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$webcam->disabled = TRUE;
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$webcam->name = '';
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$webcam->default_url = '';
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$webcam->url = '';
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$webcam->width = 320;
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$webcam->height = 240;
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$webcam->thickbox = FALSE;
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$webcam->link = '';
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$webcam->delay = 30;
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$webcam->timeout = 0;
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$webcam->weight = 0;
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for ($i = count($node->webcams); $i < variable_get('webcams_max_webcams_per_page', 4); $i++) {
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$webcam->weight = -10 + $i;
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$node->webcams[] = drupal_clone($webcam);
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}
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}
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// Title
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$form['title'] = array(
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'#type' => 'textfield',
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'#title' => t('Title'),
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'#required' => TRUE,
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'#default_value' => $node->title,
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'#weight' => -10,
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);
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// Webcams
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$form['webcams'] = array(
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'#tree' => TRUE,
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'#weight' => -9,
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);
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for ($i = 0; $i < count($node->webcams); $i++) {
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$form['webcams'][$i] = array(
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'#type' => 'fieldset',
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'#tree' => 1,
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'#title' => t('Webcam').' '.($i+1),
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'#required' => $i == 0,
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'#collapsible' => TRUE,
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'#collapsed' => $i > 0 && isset($node->webcams[$i]->disabled) && $node->webcams[$i]->disabled == TRUE,
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'#weight' => $i,
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);
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$form['webcams'][$i]['wid'] = array(
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'#type' => 'hidden',
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'#default_value' => $node->webcams[$i]->wid,
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);
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if ($i > 0) {
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$form['webcams'][$i]['disabled'] = array(
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'#type' => 'checkbox',
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'#title' => t('Disable webcam'),
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'#default_value' => isset($node->webcams[$i]->disabled) && $node->webcams[$i]->disabled == TRUE,
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'#weight' => -10,
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'#description' => t('Note that disabling this webcam will completely remove this webcam and its settings.'),
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);
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}
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$form['webcams'][$i]['name'] = array(
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'#type' => 'textfield',
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'#title' => t('Name'),
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'#required' => $i == 0,
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'#default_value' => $node->webcams[$i]->name,
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'#weight' => -9,
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);
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$form['webcams'][$i]['default_url'] = array(
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'#type' => 'textfield',
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'#title' => t('Default Image URL'),
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'#required' => $i == 0,
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'#default_value' => $node->webcams[$i]->default_url,
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'#weight' => -8,
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'#description' => t('This image is displayed while the webcam image is loading, and when an error occurs.'),
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);
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$form['webcams'][$i]['url'] = array(
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'#type' => 'textfield',
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'#title' => t('Webcam Image URL'),
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'#required' => $i == 0,
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'#default_value' => $node->webcams[$i]->url,
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'#weight' => -7,
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);
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$form['webcams'][$i]['width'] = array(
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'#type' => 'textfield',
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'#title' => t('Size'),
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'#required' => $i == 0,
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'#size' => 4,
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'#maxlength' => 4,
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'#default_value' => $node->webcams[$i]->width,
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'#weight' => -6,
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'#prefix' => '<div class="webcams-form-size">',
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);
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$form['webcams'][$i]['times'] = array(
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'#value' => '<div class="form-item">x</div>',
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'#weight' => -5,
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);
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$form['webcams'][$i]['height'] = array(
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'#type' => 'textfield',
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'#size' => 4,
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'#required' => $i == 0,
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'#maxlength' => 4,
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'#default_value' => $node->webcams[$i]->height,
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'#weight' => -4,
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'#suffix' => '</div>',
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);
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if (module_exists('thickbox')) {
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$form['webcams'][$i]['thickbox'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enlarge with Thickbox'),
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'#default_value' => $node->webcams[$i]->thickbox,
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'#weight' => -3,
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'#description' => t('Enlarge the webcam to its original size using Thickbox. This will override the Link field.'),
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);
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}
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else {
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$form['webcams'][$i]['thickbox'] = array(
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'#type' => 'hidden',
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'#default_value' => $node->webcams[$i]->thickbox,
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);
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}
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$form['webcams'][$i]['link'] = array(
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'#type' => 'textfield',
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'#title' => t('Link'),
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'#default_value' => $node->webcams[$i]->link,
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'#weight' => -2,
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'#description' => t('Make your webcam image a link to another page, or leave blank if you don\'t wish to use this functionality. The link can be relative (e.g. <strong>node/23</strong>) or absolute (e.g. <strong>http://www.site.com/page.html</strong>).'),
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);
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$form['webcams'][$i]['delay'] = array(
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'#type' => 'textfield',
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'#title' => t('Delay'),
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'#size' => 4,
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'#required' => $i == 0,
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'#maxlength' => 3,
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'#default_value' => $node->webcams[$i]->delay,
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'#weight' => -1,
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'#attributes' => array('class' => 'webcams-form-delay'),
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'#description' => t('The amount of seconds to wait before refreshing the webcam image.'),
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);
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$form['webcams'][$i]['timeout'] = array(
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'#type' => 'textfield',
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'#title' => t('Timeout'),
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'#size' => 4,
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'#required' => $i == 0,
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'#maxlength' => 3,
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'#default_value' => $node->webcams[$i]->timeout,
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'#weight' => 0,
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'#attributes' => array('class' => 'webcams-form-timeout'),
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'#description' => t('The amount of times the webcam is allowed to refresh before timing out, and no longer update itself. Set to <strong>0</strong> to disable timing out.'),
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);
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$form['webcams'][$i]['weight'] = array(
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'#type' => 'weight',
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'#title' => t('Weight'),
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'#default_value' => $node->webcams[$i]->weight,
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'#delta' => 15,
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'#weight' => 1,
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'#description' => t('The order by which the webcams appear on the page.'),
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);
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}
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// Body
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$form['bodyparts'] = array(
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'#weight' => -1,
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);
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$form['bodyparts']['body'] = array(
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'#type' => 'textarea',
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'#title' => t('Body'),
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'#default_value' => $node->body,
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'#rows' => 20,
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'#required' => TRUE,
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'#weight' => -5,
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);
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$form['bodyparts']['format'] = filter_form($node->format, -4, array('format'));
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return $form;
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}
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/**
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* Implementation of hook_insert().
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*/
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function webcams_insert(&$node) {
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for ($i = 0; $i < count($node->webcams); $i++) {
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$webcam = (object) $node->webcams[$i];
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// Only insert if webcam has a url
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if ($i == 0 || ($webcam->name || $webcam->default_url || $webcam->url)) {
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_webcams_insert_webcam($node->nid, $node->vid, $webcam);
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}
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}
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}
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function _webcams_insert_webcam($nid, $vid, &$webcam) {
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$webcam->wid = db_next_id('{webcams}_wid');
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db_query("INSERT INTO {webcams} (wid, nid, vid, name, default_url, url, width, height, thickbox, link, delay, timeout, weight) VALUES (%d, %d, %d, '%s', '%s', '%s', %d, %d, %d, '%s', %d, %d, %d)", $webcam->wid, $nid, $vid, $webcam->name, $webcam->default_url, $webcam->url, $webcam->width, $webcam->height, $webcam->thickbox, $webcam->link, $webcam->delay, $webcam->timeout, $webcam->weight);
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}
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/**
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* Implementation of hook_update().
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*/
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function webcams_update(&$node) {
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if ($node->revision) {
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webcams_insert($node);
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}
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else {
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// Update statement
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for ($i = 0; $i < count($node->webcams); $i++) {
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$webcam = (object) $node->webcams[$i];
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if ($webcam->wid > 0) {
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if ($i == 0 || !(isset($webcam->disabled) && $webcam->disabled == TRUE)) {
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_webcams_update_webcam($webcam);
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}
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else {
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_webcams_delete_webcam($webcam);
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}
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}
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elseif ($i == 0 || !(isset($webcam->disabled) && $webcam->disabled == TRUE)) {
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_webcams_insert_webcam($node->nid, $node->vid, $webcam);
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}
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}
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}
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}
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function _webcams_update_webcam(&$webcam) {
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db_query("UPDATE {webcams} SET name = '%s', default_url = '%s', url = '%s', width = %d, height = %d, thickbox = %d, link = '%s', delay = %d, timeout = %d, weight = %d WHERE wid = %d", $webcam->name, $webcam->default_url, $webcam->url, $webcam->width, $webcam->height, $webcam->thickbox, $webcam->link, $webcam->delay, $webcam->timeout, $webcam->weight, $webcam->wid);
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}
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/**
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* Implementation of hook_nodeapi().
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*
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* When a node revision is deleted, we need to remove the corresponding record
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| 333 |
* from our table. The only way to handle revision deletion is by implementing
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* hook_nodeapi().
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*/
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function webcams_nodeapi(&$node, $op, $teaser, $page) {
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switch ($op) {
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| 338 |
case 'delete revision':
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// Notice that we're matching a single revision based on the node's vid.
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db_query('DELETE FROM {webcams} WHERE vid = %d', $node->vid);
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break;
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}
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}
|
| 344 |
|
| 345 |
/**
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| 346 |
* Implementation of hook_delete().
|
| 347 |
*/
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| 348 |
function webcams_delete(&$node) {
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| 349 |
db_query("DELETE FROM {webcams} WHERE nid = %d", $node->nid);
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}
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function _webcams_delete_webcam(&$webcam) {
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db_query("DELETE FROM {webcams} WHERE wid = %d", $webcam->wid);
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}
|
| 355 |
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| 356 |
/**
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| 357 |
* Implementation of hook_load().
|
| 358 |
*/
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function webcams_load(&$node) {
|
| 360 |
$additions = new StdClass;
|
| 361 |
$additions->webcams = array();
|
| 362 |
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| 363 |
$result = db_query('SELECT wid, nid, name, default_url, url, width, height, thickbox, link, delay, timeout, weight FROM {webcams} WHERE vid = %d ORDER BY weight', $node->vid);
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| 364 |
while ($webcam = db_fetch_object($result)) {
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| 365 |
$additions->webcams[] = $webcam;
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| 366 |
}
|
| 367 |
|
| 368 |
return $additions;
|
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}
|
| 370 |
|
| 371 |
/**
|
| 372 |
* Implementation of hook_view().
|
| 373 |
*/
|
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function webcams_view(&$node, $teaser, $page) {
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| 375 |
static $loaded = array();
|
| 376 |
|
| 377 |
$node = node_prepare($node, $teaser);
|
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| 379 |
if (!$teaser) {
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| 380 |
$loaded[$node->nid] = FALSE;
|
| 381 |
|
| 382 |
drupal_add_js(drupal_get_path('module', 'webcams') .'/webcams.js');
|
| 383 |
drupal_add_css(drupal_get_path('module', 'webcams') .'/webcams.css');
|
| 384 |
|
| 385 |
$js = '';
|
| 386 |
|
| 387 |
for ($i = 0; $i < count($node->webcams); $i++) {
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| 388 |
$webcam = $node->webcams[$i];
|
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$delay = $webcam->delay * 1000;
|
| 390 |
$errmsg = t('Webcam <em>@name</em> has timed out...', array('@name' => $webcam->name));
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$js .= "\n$.webcam.init('webcams{$webcam->nid}-webcam{$webcam->wid}', '{$webcam->name}', '{$webcam->url}', '{$webcam->default_url}', {$webcam->width}, {$webcam->height}, {$delay}, {$webcam->timeout}, 'webcams{$webcam->nid}-content', '{$errmsg}');";
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| 394 |
$node->content['webcams-webcam'.$i] = array(
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| 395 |
'#value' => theme('webcams_webcam', $webcam),
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| 396 |
'#weight' => $webcam->weight,
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);
|
| 398 |
}
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| 399 |
$node->content['body']['#value'] = '<div id="webcams'. $node->nid .'-content" class="webcams-content">'.$node->content['body']['#value'].'</div>'."\n";
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|
| 401 |
// Need to avoid loading webcam initialization javascript multiple times...
|
| 402 |
if (!$loaded[$node->nid]) {
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| 403 |
drupal_add_js($js, 'inline', 'footer', FALSE);
|
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$loaded[$node->nid] = TRUE;
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| 405 |
}
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| 406 |
}
|
| 407 |
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| 408 |
return $node;
|
| 409 |
}
|
| 410 |
|
| 411 |
/**
|
| 412 |
* Implementation of hook_diff().
|
| 413 |
*/
|
| 414 |
function webcams_diff(&$old_node, &$new_node) {
|
| 415 |
global $form_values;
|
| 416 |
$op = isset($form_values['op']) ? $form_values['op'] : '';
|
| 417 |
|
| 418 |
$result = array();
|
| 419 |
if ($old_node->type == 'webcam') {
|
| 420 |
$old_webcams = array();
|
| 421 |
for ($i = 0; $i < max(count($old_node->webcams), variable_get('webcams_max_webcams_per_page', 4)); $i++) {
|
| 422 |
if ($i < count($old_node->webcams)) {
|
| 423 |
$webcam = $old_node->webcams[$i];
|
| 424 |
$old_webcams[] = array(
|
| 425 |
t('Name') .': '. $webcam->name,
|
| 426 |
t('Default Image URL') .': '. $webcam->default_url,
|
| 427 |
t('Webcam Image URL') .': '. $webcam->url,
|
| 428 |
t('Size') .': '. $webcam->width . " x " . $webcam->height,
|
| 429 |
t('Enlarge with Thickbox') .': '. ($webcam->thickbox ? t('Yes') : t('No')),
|
| 430 |
t('Link') .': '. $webcam->link,
|
| 431 |
t('Delay') .': '. $webcam->delay,
|
| 432 |
t('TimeOut') .': '. $webcam->timeout,
|
| 433 |
);
|
| 434 |
}
|
| 435 |
else {
|
| 436 |
$old_webcams[] = array();
|
| 437 |
}
|
| 438 |
}
|
| 439 |
|
| 440 |
$new_webcams = array();
|
| 441 |
for ($i = 0; $i < max(count($new_node->webcams), variable_get('webcams_max_webcams_per_page', 4)); $i++) {
|
| 442 |
if ($i < count($new_node->webcams)) {
|
| 443 |
if ($op == t('Preview changes')) {
|
| 444 |
$webcam = (object)$new_node->webcams[$i];
|
| 445 |
}
|
| 446 |
else {
|
| 447 |
$webcam = $new_node->webcams[$i];
|
| 448 |
}
|
| 449 |
if ($op == t('Preview changes') && isset($webcam->disabled) && $webcam->disabled == 1 && $i <= count($old_node->webcams) + 1) {
|
| 450 |
$new_webcams[] = array();
|
| 451 |
}
|
| 452 |
elseif ($op != t('Preview changes') || !isset($webcam->disabled) || (isset($webcam->disabled) && $webcam->disabled == 0)) {
|
| 453 |
$new_webcams[] = array(
|
| 454 |
t('Name') .': '. $webcam->name,
|
| 455 |
t('Default Image URL') .': '. $webcam->default_url,
|
| 456 |
t('Webcam Image URL') .': '. $webcam->url,
|
| 457 |
t('Size') .': '. $webcam->width . " x " . $webcam->height,
|
| 458 |
t('Enlarge with Thickbox') .': '. ($webcam->thickbox ? t('Yes') : t('No')),
|
| 459 |
t('Link') .': '. $webcam->link,
|
| 460 |
t('Delay') .': '. $webcam->delay,
|
| 461 |
t('TimeOut') .': '. $webcam->timeout,
|
| 462 |
);
|
| 463 |
}
|
| 464 |
else {
|
| 465 |
$new_webcams[] = array();
|
| 466 |
}
|
| 467 |
}
|
| 468 |
else {
|
| 469 |
$new_webcams[] = array();
|
| 470 |
}
|
| 471 |
}
|
| 472 |
|
| 473 |
$max = max(count($old_webcams), count($new_webcams));
|
| 474 |
for ($i = 0; $i < $max; $i++) {
|
| 475 |
$result[] = array(
|
| 476 |
'name' => t('Webcam') .' '. ($i + 1),
|
| 477 |
'old' => isset($old_webcams[$i]) ? $old_webcams[$i] : '',
|
| 478 |
'new' => isset($new_webcams[$i]) ? $new_webcams[$i] : '',
|
| 479 |
'format' => array(
|
| 480 |
'show_header' => false,
|
| 481 |
)
|
| 482 |
);
|
| 483 |
}
|
| 484 |
}
|
| 485 |
return $result;
|
| 486 |
}
|
| 487 |
|
| 488 |
function theme_webcams_webcam(&$webcam) {
|
| 489 |
$output = '<div class="webcams-webcam" id="webcams'. $webcam->nid .'-webcam'. $webcam->wid .'" style="width: '. $webcam->width .'px;">';
|
| 490 |
|
| 491 |
$img = '<img src="'. $webcam->default_url .'" width="'. $webcam->width .'" height="'. $webcam->height .'" class="webcams-image" />';
|
| 492 |
if (module_exists('thickbox') && $webcam->thickbox) {
|
| 493 |
$zoom = '<img src="'. base_path() . drupal_get_path('module', 'webcams') .'/zoom.png" width="32" height="32" class="webcams-zoom iefix" />';
|
| 494 |
|
| 495 |
$output .= l($zoom, $webcam->default_url, array('title' => $webcam->name, 'class' => 'thickbox'), NULL, NULL, FALSE, TRUE);
|
| 496 |
$output .= l($img, $webcam->default_url, array('title' => $webcam->name, 'class' => 'thickbox'), NULL, NULL, FALSE, TRUE);
|
| 497 |
}
|
| 498 |
elseif ($webcam->link) {
|
| 499 |
$output .= l($img, $webcam->link, array('title' => $webcam->name), NULL, NULL, FALSE, TRUE);
|
| 500 |
}
|
| 501 |
else {
|
| 502 |
$output .= $img;
|
| 503 |
}
|
| 504 |
$output .= '<span class="webcams-name">'. $webcam->name .'</span>';
|
| 505 |
$output .= '</div>'."\n";
|
| 506 |
return $output;
|
| 507 |
}
|
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