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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class tag_event_Core {
/**
* Handle the creation of a new photo.
* @todo Get tags from the XMP and/or IPTC data in the image
*
* @param Item_Model $photo
*/
static function item_created($photo) {
$tags = array();
if ($photo->is_photo()) {
$path = $photo->file_path();
$size = getimagesize($photo->file_path(), $info);
if (is_array($info) && !empty($info["APP13"])) {
$iptc = iptcparse($info["APP13"]);
if (!empty($iptc["2#025"])) {
foreach($iptc["2#025"] as $tag) {
$tag = str_replace("\0", "", $tag);
foreach (explode(",", $tag) as $word) {
$word = trim($word);
$word = encoding::convert_to_utf8($word);
$tags[$word] = 1;
}
}
}
}
}
// @todo figure out how to read the keywords from xmp
foreach(array_keys($tags) as $tag) {
try {
tag::add($photo, $tag);
} catch (Exception $e) {
Kohana_Log::add("error", "Error adding tag: $tag\n" .
$e->getMessage() . "\n" . $e->getTraceAsString());
}
}
return;
}
static function item_deleted($item) {
tag::clear_all($item);
if (!batch::in_progress()) {
tag::compact();
}
}
static function batch_complete() {
tag::compact();
}
static function item_edit_form($item, $form) {
$tag_names = array();
foreach (tag::item_tags($item) as $tag) {
$tag_names[] = $tag->name;
}
$form->edit_item->input("tags")->label(t("Tags (comma separated)"))
->value(implode(", ", $tag_names));
$form->script("")->text(self::_get_autocomplete_js());
}
static function item_edit_form_completed($item, $form) {
tag::clear_all($item);
foreach (explode(",", $form->edit_item->tags->value) as $tag_name) {
if ($tag_name) {
tag::add($item, trim($tag_name));
}
}
module::event("item_related_update", $item);
tag::compact();
}
static function admin_menu($menu, $theme) {
$menu->get("content_menu")
->append(Menu::factory("link")
->id("tags")
->label(t("Tags"))
->url(url::site("admin/tags")));
}
static function item_index_data($item, $data) {
foreach (tag::item_tags($item) as $tag) {
$data[] = $tag->name;
}
}
static function add_photos_form($album, $form) {
$group = $form->add_photos;
$group->input("tags")
->label(t("Add tags to all uploaded files"))
->value("");
$group->script("")->text(self::_get_autocomplete_js());
}
static function add_photos_form_completed($item, $form) {
$group = $form->add_photos;
foreach (explode(",", $group->tags->value) as $tag_name) {
$tag_name = trim($tag_name);
if ($tag_name) {
$tag = tag::add($item, $tag_name);
}
}
}
static function info_block_get_metadata($block, $item) {
$tags = array();
foreach (tag::item_tags($item) as $tag) {
$tags[] = "<a href=\"{$tag->url()}\">" .
html::clean($tag->name) . "</a>";
}
if ($tags) {
$info = $block->content->metadata;
$info["tags"] = array(
"label" => t("Tags:"),
"value" => implode(", ", $tags)
);
$block->content->metadata = $info;
}
}
private static function _get_autocomplete_js() {
$url = url::site("tags/autocomplete");
return "$('input[name=\"tags\"]').gallery_autocomplete('$url', {multiple: true});";
}
}
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