<?php
class Dlg extends Handler_Protected {
	private $param;

	function before($method) {
		if (parent::before($method)) {
			header("Content-Type: text/html"); # required for iframe

			$this->param = db_escape_string($this->link, $_REQUEST["param"]);
			return true;
		}
		return false;
	}

	function importOpml() {
		print __("If you have imported labels and/or filters, you might need to reload preferences to see your new data.") . "</p>";

		print "<div class=\"prefFeedOPMLHolder\">";
		$owner_uid = $_SESSION["uid"];

		db_query($this->link, "BEGIN");

		print "<ul class='nomarks'>";

		$opml = new Opml($this->link, $_REQUEST);

		$opml->opml_import($_SESSION["uid"]);

		db_query($this->link, "COMMIT");

		print "</ul>";
		print "</div>";

		print "<div align='center'>";
		print "<button dojoType=\"dijit.form.Button\"
			onclick=\"dijit.byId('opmlImportDlg').execute()\">".
			__('Close this window')."</button>";
		print "</div>";

		print "</div>";

		//return;
	}

	function pubOPMLUrl() {
		$url_path = Opml::opml_publish_url($this->link);

		print __("Your Public OPML URL is:");

		print "<div class=\"tagCloudContainer\">";
		print "<a id='pub_opml_url' href='$url_path' target='_blank'>$url_path</a>";
		print "</div>";

		print "<div align='center'>";

		print "<button dojoType=\"dijit.form.Button\" onclick=\"return opmlRegenKey()\">".
			__('Generate new URL')."</button> ";

		print "<button dojoType=\"dijit.form.Button\" onclick=\"return closeInfoBox()\">".
			__('Close this window')."</button>";

		print "</div>";

		//return;
	}

	function explainError() {
		print "<div class=\"errorExplained\">";

		if ($this->param == 1) {
			print __("Update daemon is enabled in configuration, but daemon process is not running, which prevents all feeds from updating. Please start the daemon process or contact instance owner.");

			$stamp = (int) file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");

			print "<p>" . __("Last update:") . " " . date("Y.m.d, G:i", $stamp);

		}

		if ($this->param == 3) {
			print __("Update daemon is taking too long to perform a feed update. This could indicate a problem like crash or a hang. Please check the daemon process or contact instance owner.");

			$stamp = (int) file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");

			print "<p>" . __("Last update:") . " " . date("Y.m.d, G:i", $stamp);

		}

		print "</div>";

		print "<div align='center'>";

		print "<button onclick=\"return closeInfoBox()\">".
			__('Close this window')."</button>";

		print "</div>";

		//return;
	}

	function printTagCloud() {
		print "<div class=\"tagCloudContainer\">";

		// from here: http://www.roscripts.com/Create_tag_cloud-71.html

		$query = "SELECT tag_name, COUNT(post_int_id) AS count
			FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
			GROUP BY tag_name ORDER BY count DESC LIMIT 50";

		$result = db_query($this->link, $query);

		$tags = array();

		while ($line = db_fetch_assoc($result)) {
			$tags[$line["tag_name"]] = $line["count"];
		}

        if( count($tags) == 0 ){ return; }

		ksort($tags);

		$max_size = 32; // max font size in pixels
		$min_size = 11; // min font size in pixels

		// largest and smallest array values
		$max_qty = max(array_values($tags));
		$min_qty = min(array_values($tags));

		// find the range of values
		$spread = $max_qty - $min_qty;
		if ($spread == 0) { // we don't want to divide by zero
				$spread = 1;
		}

		// set the font-size increment
		$step = ($max_size - $min_size) / ($spread);

		// loop through the tag array
		foreach ($tags as $key => $value) {
			// calculate font-size
			// find the $value in excess of $min_qty
			// multiply by the font-size increment ($size)
			// and add the $min_size set above
			$size = round($min_size + (($value - $min_qty) * $step));

			$key_escaped = str_replace("'", "\\'", $key);

			echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
				$size . "px\" title=\"$value articles tagged with " .
				$key . '">' . $key . '</a> ';
		}



		print "</div>";

		print "<div align='center'>";
		print "<button dojoType=\"dijit.form.Button\"
			onclick=\"return closeInfoBox()\">".
			__('Close this window')."</button>";
		print "</div>";

	}

	function printTagSelect() {

		print __("Match:"). "&nbsp;" .
			"<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\" type=\"radio\" checked value=\"any\" name=\"tag_mode\" id=\"tag_mode_any\">";
		print "<label for=\"tag_mode_any\">".__("Any")."</label>";
		print "&nbsp;";
		print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\" type=\"radio\" value=\"all\" name=\"tag_mode\" id=\"tag_mode_all\">";
		print "<label for=\"tag_mode_all\">".__("All tags.")."</input>";

		print "<select id=\"all_tags\" name=\"all_tags\" title=\"" . __('Which Tags?') . "\" multiple=\"multiple\" size=\"10\" style=\"width : 100%\">";
		$result = db_query($this->link, "SELECT DISTINCT tag_name FROM ttrss_tags WHERE owner_uid = ".$_SESSION['uid']."
			AND LENGTH(tag_name) <= 30 ORDER BY tag_name ASC");

		while ($row = db_fetch_assoc($result)) {
			$tmp = htmlspecialchars($row["tag_name"]);
			print "<option value=\"" . str_replace(" ", "%20", $tmp) . "\">$tmp</option>";
		}

		print "</select>";

		print "<div align='right'>";
		print "<button dojoType=\"dijit.form.Button\" onclick=\"viewfeed(get_all_tags($('all_tags')),
			get_radio_checked($('tag_mode')));\">" . __('Display entries') . "</button>";
		print "&nbsp;";
		print "<button dojoType=\"dijit.form.Button\"
		onclick=\"return closeInfoBox()\">" .
			__('Close this window') . "</button>";
		print "</div>";

	}

	function generatedFeed() {

		$this->params = explode(":", $this->param, 3);
		$feed_id = db_escape_string($this->link, $this->params[0]);
		$is_cat = (bool) $this->params[1];

		$key = get_feed_access_key($this->link, $feed_id, $is_cat);

		$url_path = htmlspecialchars($this->params[2]) . "&key=" . $key;

		print "<h2>".__("You can view this feed as RSS using the following URL:")."</h2>";

		print "<div class=\"tagCloudContainer\">";
		print "<a id='gen_feed_url' href='$url_path' target='_blank'>$url_path</a>";
		print "</div>";

		print "<div align='center'>";

		print "<button dojoType=\"dijit.form.Button\" onclick=\"return genUrlChangeKey('$feed_id', '$is_cat')\">".
			__('Generate new URL')."</button> ";

		print "<button dojoType=\"dijit.form.Button\" onclick=\"return closeInfoBox()\">".
			__('Close this window')."</button>";

		print "</div>";

		//return;
	}

	function newVersion() {

		$version_data = check_for_update($this->link);
		$version = $version_data['version'];
		$id = $version_data['version_id'];

		if ($version && $id) {
			print "<div class='tagCloudContainer'>";

			print T_sprintf("New version of Tiny Tiny RSS is available (%s).",
				"<b>$version</b>");

			print "</div>";

			$details = "http://tt-rss.org/redmine/versions/$id";
			$download = "http://tt-rss.org/#Download";

			print "<p align='center'>".__("You can update using built-in updater in the Preferences or by using update.php")."</p>";

			print "<div style='text-align : center'>";
			print "<button dojoType=\"dijit.form.Button\"
				onclick=\"return window.open('$details')\">".__("See the release notes")."</button>";
			print "<button dojoType=\"dijit.form.Button\"
				onclick=\"return window.open('$download')\">".__("Download")."</button>";
			print "<button dojoType=\"dijit.form.Button\"
				onclick=\"return dijit.byId('newVersionDlg').hide()\">".
				__('Close this window')."</button>";

		} else {
			print "<div class='tagCloudContainer'>";

			print "<p align='center'>".__("Error receiving version information or no new version available.")."</p>";

			print "</div>";

			print "<div style='text-align : center'>";
			print "<button dojoType=\"dijit.form.Button\"
				onclick=\"return dijit.byId('newVersionDlg').hide()\">".
				__('Close this window')."</button>";
			print "</div>";

		}
		print "</div>";

	}


}
?>
