148 lines
4.4 KiB
PHP
148 lines
4.4 KiB
PHP
<?php
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class Index extends Extension {
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// event handling {{{
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public function receive_event($event) {
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if(is_a($event, 'PageRequestEvent') && ($event->page == "index")) {
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if($event->get_arg(0) == 'rss') {
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$this->do_rss();
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}
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else {
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$search_terms = array();
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$page_number = 1;
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if($event->count_args() > 0) {
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$page_number = int_escape($event->get_arg(0));
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}
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if(isset($_GET['search'])) {
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$search_terms = explode(' ', $_GET['search']);
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$query = "search=".html_escape($_GET['search']);
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}
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else {
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$query = null;
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}
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global $page;
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global $config;
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global $database;
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$total_pages = $database->count_pages($search_terms);
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$count = $config->get_int('index_width') * $config->get_int('index_height');
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$images = $database->get_images(($page_number-1)*$count, $count, $search_terms);
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if(count($search_terms) == 0) {
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$page_title = $config->get_string('title');
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}
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else {
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$page_title = html_escape($_GET['search']);
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/*
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$page_title = "";
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foreach($search_terms as $term) {
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$h_term = html_escape($term);
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$page_title .= "<a href='".make_link("post/list", "search=$h_term")."'>$h_term</a>";
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}
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*/
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$page->set_subheading("Page $page_number / $total_pages");
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}
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if($page_number > 1 || count($search_terms) > 0) {
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// $page_title .= " / $page_number";
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}
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$page->set_title($page_title);
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$page->set_heading($page_title);
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$page->add_side_block(new Block("Navigation", $this->build_navigation($page_number, $total_pages, $search_terms)), 0);
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$page->add_main_block(new Block("Images", $this->build_table($images, $query)), 10);
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$page->add_main_block(new Paginator("index", $query, $page_number, $total_pages), 90);
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}
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}
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if(is_a($event, 'SetupBuildingEvent')) {
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$sb = new SetupBlock("Index Options");
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$sb->add_label("Index table size ");
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$sb->add_int_option("index_width");
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$sb->add_label(" x ");
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$sb->add_int_option("index_height");
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$sb->add_label(" images");
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$sb->add_label("<br>Image tooltip ");
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$sb->add_text_option("image_tip");
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$event->panel->add_main_block($sb, 20);
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}
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if(is_a($event, 'ConfigSaveEvent')) {
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$event->config->set_int("index_width", $_POST['index_width']);
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$event->config->set_int("index_height", $_POST['index_height']);
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$event->config->set_string("image_tip", $_POST['image_tip']);
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}
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}
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// }}}
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// HTML generation {{{
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private function build_navigation($page_number, $total_pages, $search_terms) {
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$prev = $page_number - 1;
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$next = $page_number + 1;
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$h_tags = html_escape(implode("%20", $search_terms));
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$query = empty($h_tags) ? null : "search=$h_tags";
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$h_prev = ($page_number <= 1) ? "Prev" : "<a href='".make_link("index/$prev", $query)."'>Prev</a>";
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$h_index = "<a href='".make_link("index")."'>Index</a>";
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$h_next = ($page_number >= $total_pages) ? "Next" : "<a href='".make_link("index/$next", $query)."'>Next</a>";
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$h_search_string = count($search_terms) == 0 ? "Search" : html_escape(implode(" ", $search_terms));
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$h_search_link = make_link("index");
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$h_search = "
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<p><form action='$h_search_link' method='GET'>
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<input id='search_input' name='search' type='text'
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value='$h_search_string' autocomplete='off' />
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<input type='submit' value='Find' style='display: none;' />
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</form>
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<div id='search_completions'></div>";
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return "$h_prev | $h_index | $h_next<br>$h_search";
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}
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private function build_table($images, $query) {
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global $config;
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$width = $config->get_int('index_width');
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$height = $config->get_int('index_height');
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$table = "<table>\n";
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for($i=0; $i<$height; $i++) {
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$table .= "<tr>\n";
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for($j=0; $j<$width; $j++) {
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$image = isset($images[$i*$width+$j]) ? $images[$i*$width+$j] : null;
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if(!is_null($image)) {
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$table .= $this->build_thumb($image, $query);
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}
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else {
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$table .= "\t<td> </td>\n";
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}
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}
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$table .= "</tr>\n";
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}
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$table .= "</table>\n";
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return $table;
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}
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private function build_thumb($image, $query=null) {
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global $config;
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$h_view_link = make_link("post/view/{$image->id}", $query);
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$h_tip = html_escape($image->get_tooltip());
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$h_thumb_link = $image->get_thumb_link();
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return "<td><a href='$h_view_link'><img title='$h_tip' alt='$h_tip' src='$h_thumb_link'></a></td>\n";
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}
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// }}}
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// rss {{{
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private function do_rss() {
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// TODO: this function
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}
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// }}}
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}
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add_event_listener(new Index());
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?>
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