Major restructuring of frontend modules (package selection not done yet); created conf_build_common class for shared code among configurations and builds

1 files changed, 171 insertions, 0 deletions

diff --git a/frontend/classes/wizard_api.php b/frontend/classes/wizard_api.php
new file mode 100644
index 0000000..95ed57a
--- /dev/null
+++ b/frontend/classes/wizard_api.php
@@ -0,0 +1,171 @@
+<?php
+class wizard_step {
+	var $module, $step, $title, $next, $data=array();
+	function __construct($mod, $step) {
+		$this->module=$mod;
+		$this->step=$step;
+		$file=FRONTEND."/modules/$mod/step$step.php";
+		if (!is_readable($file)) {
+			throw_exception("$mod step $step doesn't exist!");
+		}
+		require($file);
+		$this->title="Step $step".($title?" - $title":'');
+		$this->next=$next;
+	}
+	public function output() {
+		echo "<h3>$this->title</h3>\n";
+		echo '<form action="'.url('config/'.wizard::$configuration->id).'" method="post">';
+		foreach ($this->data as $obj) {
+			if (!$obj->status) {
+				echo print_warning('Please complete this field.');
+			}
+			$obj->output();
+		}
+		echo '<br/><input type="submit" name="wizard_submit['.$this->step.']" value="Continue" />'."\n";
+	}
+	public function process() {
+		global $request;
+		if (isset($request['wizard_submit_'.$this->step])) {
+			return $this->step;
+		}
+		$result=$this->next;
+		foreach ($this->data as $obj) {
+			if (!$obj->status=$obj->process()) {
+				$result=$this->step;
+			}
+		}
+		return $result;
+	}
+	private function text($text) {
+		$this->data[]=new wizard_text($text);
+	}
+	private function text_input($optname, $htmlname, $label) {
+		$this->data[]=new wizard_text_input($optname, $htmlname, $label);
+	}
+	private function select($optname, $htmlname, $label, $options) {
+		$this->data[]=new wizard_select($optname, $htmlname, $label, $options);
+	}
+	private function query($q) {
+		return $GLOBALS['S']['pdo']->query($q);
+	}
+}
+abstract class wizard {
+	public $status=true;
+	public static $configuration;
+	public static function set_configuration(&$c) {
+		self::$configuration=&$c;
+	}
+	abstract public function output();
+	abstract public function process();
+	protected static function get_opt($name) {
+		$opts=self::$configuration->get_opts();
+		return isset($opts[$name])?$opts[$name]:null;
+	}
+	protected static function set_opt($name, $val) {
+		if (substr($name, 0, 1) == ':') {
+			self::$configuration->$name=$val;
+			self::$configuration->write();
+		} else {
+			self::$configuration->set_opt($name, $val);
+		}
+	}
+	protected static function opt_is($name, $val) {
+		$opts=self::$configuration->get_opts();
+		if (isset($opts[$name]) && $opts[$name] === $val) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+class wizard_text extends wizard {
+	protected $text;
+	function __construct($text) {
+		$this->text=$text;
+	}
+	public function output() {
+		echo $this->text;
+	}
+	public function process() {
+		return true;
+	}
+}
+abstract class wizard_input extends wizard {
+	protected $optname, $htmlname, $label;
+	function __construct($optname, $htmlname, $label) {
+		$this->optname=$optname;
+		$this->htmlname=htmlentities($htmlname);
+		$this->label=htmlentities($label);
+	}
+	public function output() {
+		echo "$this->label ";
+	}
+	public function process() {
+		global $request;
+		if (isset($request[$this->optname])) {
+			self::set_opt($this->optname, $request[$this->optname]);
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+class wizard_text_input extends wizard_input {
+	public function output() {
+		parent::output();
+	}
+}
+class wizard_select extends wizard_input {
+	private $options;
+	function __construct($optname, $htmlname, $label, $options) {
+		parent::__construct($optname, $htmlname, $label);
+		$this->options=$options;
+	}
+	public function output() {
+		parent::output();
+		echo '<select name="'.$this->htmlname.'">'."\n";
+		foreach ($this->options as $val => $label) {
+			echo "\t".'<option value="'.htmlentities($val).'"'.(self::opt_is($this->optname, $val)?' selected="selected"':'').'>'.htmlentities($label).'</option>'."\n";
+		}
+		echo '</select>'."\n";
+	}
+}
+class wizard_radio extends wizard_select {
+	public function output() {
+		echo "$this->label:<br/>\n";
+		$i=0;
+		foreach ($this->options as $val => $label) {
+			echo "\t<input type=\"radio\" id=\"$this->htmlname-$i\" name=\"$this->htmlname\" value=\"".htmlentities($val)."\"".(self::opt_is($this->optname, $val)?' checked="checked"':'')."\" /><label for=\"$this->htmlname-$i\">".htmlentities($label)."</label>\n";
+		}
+	}
+}
+class wizard_checkbox_array extends wizard_input {
+	private $boxes;
+	function __construct($optname, $htmlname, $label, $boxes, $delim=' ') {
+		parent::__construct($optname, $htmlname, $label);
+		$this->boxes=$boxes;
+		$this->delim=$delim;
+	}
+	public function output() {
+		echo "$this->label:<br/>\n";
+		$i=0;
+		foreach ($this->boxes as $val => $label) {
+			echo "\t<input type=\"checkbox\" id=\"$this->htmlname-$i\" name=\"$this->htmlname[$i]\"".(self::opt_has($this->optname, $val, $this->delim)?' checked="checked"':'')." /><label for=\"$this->htmlname-$i\">$label</label><br/>\n";
+			$i++;
+		}
+	}
+	public function process() {
+		global $request;
+		$val=array();
+		// FIXME we're assuming that array_keys order is determinate and the same as the foreach in output()
+		$vals=array_keys($this->boxes);
+		foreach ($request[$this->htmlname] as $i) {
+			$val[]=$vals[$i];
+		}
+		self::set_opt($this->optname, implode($this->delim, $vals));
+	}
+	protected static function opt_has($name, $val, $delim=' ') {
+		return (array_search($val, explode($delim, self::get_opt($name))) !== false);
+	}
+}
+?>