class_pollcomment.php

具有多種面版可以選擇的"投票程式" 多國語言版

        } else {
            return false;
        }
    }

    function view_poll_comments($poll_id) {
        if (!isset($this->poll_comment_html[$poll_id]) || !isset($this->poll_comment_html[$poll_id][$this->comment_tpl])) {
            $row = $this->db->fetch_array($this->db->query("SELECT template FROM ".$this->tbl['poll_tpl']." WHERE (title = '".$this->comment_tpl."' and tplset_id='0')"));
            $row['template'] = ereg_replace("\"", "\\\"", $row['template']);
            $display_html = '';
            if (!isset($this->comment_data[$poll_id])) {
                $this->get_poll_comments($poll_id);
            }
            if (is_array($this->comment_data[$poll_id])) {
                for ($i=0;$i<sizeof($this->comment_data[$poll_id]['time']);$i++) {
                    $data['time'] = date($this->date_format,$this->comment_data[$poll_id]['time'][$i]+$this->pollvars['time_offset']*3600);
                    $data['host'] = $this->comment_data[$poll_id]['host'][$i];
                    $data['browser'] = htmlspecialchars($this->comment_data[$poll_id]['browser'][$i]);
                    $data['name'] = htmlspecialchars($this->comment_data[$poll_id]['name'][$i]);
                    $data['email'] = $this->comment_data[$poll_id]['email'][$i];                    
                    $data['message'] = $this->strip_new_lines($this->comment_data[$poll_id]['message'][$i]);
                    $data['message'] = $this->wrap_text($data['message'],$this->word_length);
                    $data['message'] = htmlspecialchars($data['message']);
                    $data['message'] = nl2br($data['message']);                   
                    eval("\$display_html .= \"$row[template]\";");
                }
                $this->poll_comment_html[$poll_id][$this->comment_tpl] = $display_html;
            } else {
                $this->poll_comment_html[$poll_id][$this->comment_tpl] = '';
            }    
        }
        return $this->poll_comment_html[$poll_id][$this->comment_tpl];
    }

    function set_template($title) {
        if (!empty($title)) {
            $this->db->fetch_array($this->db->query("SELECT * FROM ".$this->tbl['poll_tpl']." WHERE title='$title'"));
            if ($this->db->record) {
                $this->comment_tpl = $title;
                return true;
            } else {
                $this->comment_tpl = "";
                return false;
            }
        } else {
            return false;
        }
    }

    function format_string($strg) {
        if (!get_magic_quotes_gpc()) {
            $strg = addslashes($strg);
        }
        $strg = trim($strg);
        return $strg;
    }

    function wrap_text($strg, $max_word_length=60, $break="\n") {
        if (!empty($strg)) {
            $max_word_length += 1;
            preg_match_all("/(\S{".$max_word_length.",})/", $strg, $matches_arr);
            if (isset($matches_arr[1]) && sizeof($matches_arr[1])>0) {
                for ($i=0; $i<sizeof($matches_arr[1]); $i++) {
                    $break_x = (int) (strlen($matches_arr[1][$i])/$max_word_length);
                    $new_word = '';
                    for ($k=0; $k<$break_x; $k++) {
                        $new_word .= substr($matches_arr[1][$i], ($k*$max_word_length), $max_word_length).$break;
                    }
                    $new_word .= substr($matches_arr[1][$i], -(strlen($matches_arr[1][$i])-$break_x*$max_word_length));
                    $strg = str_replace($matches_arr[1][$i], $new_word, $strg);
                }
            }
        }
        return $strg;
    }
    
    function strip_new_lines($strg,$max_new_lines=2) {
        $strg = str_replace("\r\n", "\n", $strg);
        $strg = str_replace("\r", "\n", $strg);
        $replace = str_repeat ("\n", $max_new_lines);
        $strg = preg_replace("/\n{".$max_new_lines.",}/", $replace, $strg);
        return $strg;
    }

    function add_comment($poll_id) {
        global $HTTP_POST_VARS;
        for ($i=0; $i<sizeof($this->form_fields); $i++) {
            $field_name = $this->form_fields[$i];
            if (isset($HTTP_POST_VARS[$field_name])) {
                $$field_name = $this->format_string($HTTP_POST_VARS[$field_name]);
            } else {
                $$field_name = '';
            }
        }
        if (empty($name)) {
            $name = "anonymous";
        }
        if (!eregi("^[_a-z0-9-]+(\\.[_a-z0-9-]+)*@([0-9a-z][0-9a-z-]*[0-9a-z]\\.)+[0-9a-z]{1,6}$", $email) ) {
            $email = '';
        }
        $this_time = time();
        $host = @gethostbyaddr($this->ip);
        $agent = @getenv("HTTP_USER_AGENT");
        $this->db->query("INSERT INTO ".$this->tbl['poll_comment']." (poll_id,time,host,browser,name,email,message) VALUES ('$poll_id','$this_time','$host','$agent','$name','$email','$message')");
        return ($this->db->result) ? true : false;
    }

    function print_message($strg,$autoclose=0) {
        $msg ='';
        if ($autoclose==1) {
            $msg .= "<script language=\"JavaScript\">
            setTimeout(\"closeWin()\",2000);
            function closeWin() {
                self.close();
            }
            </script>";
        }
        $msg .= "<font face=\"Verdana, Arial, Helvetica, sans-serif\" size=\"1\">$strg</font>";
        return $msg;
    }

    function is_comment_allowed($poll_id) {
        if ($poll_id>0) {
            $this->db->fetch_array($this->db->query("SELECT comments FROM ".$this->tbl['poll_index']." WHERE poll_id=$poll_id AND status<2"));
            return ($this->db->record['comments']==1) ? true : false;
        } else {
            return false;
        }
    }

    function poll_form($poll_id,$msg='') {
        global $HTTP_POST_VARS;
        if (!isset($this->comment_form_html[$poll_id]) || !isset($this->comment_form_html[$poll_id][$this->comment_tpl])) {            
            $question = $this->get_poll_question($poll_id);
            for ($i=0; $i<sizeof($this->form_fields); $i++) {
                if (isset($HTTP_POST_VARS[$this->form_fields[$i]]) && !empty($msg)) {
                    $comment[$this->form_fields[$i]] = stripslashes(htmlspecialchars($this->format_string($HTTP_POST_VARS[$this->form_fields[$i]])));
                } else {
                    $comment[$this->form_fields[$i]] = '';
                }
            }
            if (isset($this->comment_tpl) && !empty($this->comment_tpl)) {
                $row = $this->db->fetch_array($this->db->query("SELECT template FROM ".$this->tbl['poll_tpl']." WHERE (title = '".$this->comment_tpl."' and tplset_id='0')"));
                $row['template'] = ereg_replace("\"", "\\\"", $row['template']);
            } else {
                $row['template'] = $this->get_poll_tpl("comment");
            }
            eval("\$result_html = \"".$row['template']."\";");
            $this->comment_form_html[$poll_id][$this->comment_tpl] = $result_html;
        }
        return $this->comment_form_html[$poll_id][$this->comment_tpl];
    }

    function comment_process($poll_id) {
        global $HTTP_POST_VARS, $HTTP_GET_VARS;
        if (isset($HTTP_GET_VARS['action']) || isset($HTTP_POST_VARS['action'])) {
            $action = (isset($HTTP_POST_VARS['action'])) ? trim($HTTP_POST_VARS['action']) : trim($HTTP_GET_VARS['action']);
        } else {
            $action = '';
        }
        if (isset($HTTP_POST_VARS['pcomment']) && $HTTP_POST_VARS['pcomment']>0) {
            $pcomment = $HTTP_POST_VARS['pcomment'];    
        } else {
            $pcomment = '';
        }    
        if (!isset($poll_id)) {
            $msg = "Poll ID <b>".$poll_id."</b> does not exist or is disabled!";
            return $this->poll_form($poll_id,$msg);
        } else {
            $msg = '';
        }
        if ($action == "add" && $this->is_comment_allowed($poll_id) && $poll_id==$pcomment) {
            for (reset($this->form_message); $key=key($this->form_message); next($this->form_message)) {
                if (!empty($this->form_message[$key])) {
                    if (isset($HTTP_POST_VARS[$key])) {
                        $HTTP_POST_VARS[$key] = trim($HTTP_POST_VARS[$key]);
                    }
                    if (!isset($HTTP_POST_VARS[$key]) || empty($HTTP_POST_VARS[$key])) {
                        $msg = $this->form_message[$key];
                        break;
                    }   
                }
            }
            if ($msg == "") {
                $this->add_comment($poll_id);
            }
        }
        return $this->poll_form($poll_id,$msg);
    }

}

?>