root/trunk/plugins/altarchive.php

<?php
Class altarchive extends MvBlog_plugin implements MvBlog_pluginiface {
    /* variables */
    public $name    = "altarchive";
    public $author  = "Michiel van Baak";
    public $license = "GPL";
    public $website = "http://www.mvblog.org";
    public $description = "Replaces the normal month archive menu with a nice calendar.";

    private $_mvblog;

    private $_count    = array();
    private $_settings = array(
        "altarchive_noitems_bg"   => "#FFFFFF",
        "altarchive_items_bg"     => "#8bb7b5",
        "altarchive_noitems_text" => "#000000",
        "altarchive_items_text"   => "#FFFFFF"
    );

    /* methods */
    /* __construct {{{ */
    public function __construct(&$mvblog) {
        // FB: 20070304: Renamed 'altarchive' to 'genaltarchive' to avoid name collisions with constructor.
        $this->addHook("menu_archive_output", "genaltarchive");
        $this->addHook("css_output", "altarchiveCSS");
        $this->_mvblog =& $mvblog;
    }
    /* }}} */
    /* activate {{{ */
    public function activate() {
        /* get the months where we have articles */
        $sql = "SELECT date FROM articles WHERE active=1 AND public=1 ORDER BY date DESC";
        $res = $this->_mvblog->db->query($sql);
        while ($row = $res->fetchRow()) {
            $month = date("m", $row[0]);
            $year  = date("Y", $row[0]);
            $key   = $month.$year;
            if (array_key_exists($key, $this->_count)) {
                $this->_count[$key]++;
            } else {
                $this->_count[$key] = 1;
            }
        }
        /* populate some settings */
        $sql = "SELECT * FROM settings WHERE settingname LIKE 'altarchive_%'";
        $res = $this->_mvblog->db->query($sql);
        while ($row = $res->fetchRow(MDB2_FETCHMODE_ASSOC)) {
            $this->_settings[$row["settingname"]] = $row["settingvalue"];
        }
    }
    /* }}} */
    /* deactivate {{{ */
    public function deactivate() {
        /* clear local variables */
        unset($this->_count);
    }
    /* }}} */
    /* genaltarchive {{{ */
    // FB: 20070304: Renamed 'altarchive' to 'genaltarchive' to avoid name collisions with constructor.
    public function genaltarchive($defaultmenu) {
        /* create url schema */
        if ($this->_mvblog->settings["cleanurl"])
            $url = "archive/";
        else
            $url = "index.php?action=archive&m=";
        /* years to show */
        if (array_key_exists("altarchive_showyears", $this->_settings))
            $years = $this->_settings["altarchive_showyears"];
        else
            $years  = 3;
        $output = "";
        for ($i=date("Y"); $i>date("Y")-$years; $i--) {
            $output .= "<b>".$i."</b><br />\n";
            $output .= "<table><tr>\n";
            $newline = 0;
            for ($m = 1; $m <= 12; $m++) {
                $newline++;
                if ($newline > 3) {
                    $output .= "</tr><tr>\n";
                    $newline = 1;
                }
                if ($m < 10) $m = "0".$m;
                $output .= "\t<td ";
                if (array_key_exists($m.$i, $this->_count)) {
                    $output .= "class=\"altarchive_month_items\">";
                    $output .= "<a href=\"$url".$m.$i."\" title=\"".$this->_count[$m.$i]." ".gettext("articles in this month.")."\">".strftime("%B", mktime(0,0,0,$m,1,$i))."</td>\n";
                } else {
                    $output .= "class=\"altarchive_month_noitems\">";
                    $output .= strftime("%B", mktime(0,0,0,$m,1,$i))."</td>\n";
                }
            }
            $output .= "</tr></table>\n";
        }
        return $output;
    }
    /* }}} */
    /* altarchiveCSS {{{ */
    public function altarchiveCSS($data) {
        if (array_key_exists("altarchive_showdefaultcss", $this->_settings) && $this->_settings["altarchive_showdefaultcss"]) {
            $output  = $data."\n\t<style type=\"text/css\">\n";
            $output .= "\t\t.altarchive_month_noitems {\n";
            $output .= "\t\t\ttext-align: center;\n";
            $output .= "\t\t\tbackground-color: ".$this->_settings["altarchive_noitems_bg"].";\n";
            $output .= "\t\t\tcolor: ".$this->_settings["altarchive_noitems_text"].";\n";
            $output .= "\t\t\tborder: 1px solid #b0b0b0;\n";
            $output .= "\t\t}\n";
            $output .= "\t\t.altarchive_month_items {\n";
            $output .= "\t\t\ttext-align: center;\n";
            $output .= "\t\t\tbackground-color: ".$this->_settings["altarchive_items_bg"].";\n";
            $output .= "\t\t\tborder: 1px solid #b0b0b0;\n";
            $output .= "\t\t}\n";
            $output .= "\t\t.altarchive_month_items a {\n";
            $output .= "\t\t\tcolor: ".$this->_settings["altarchive_items_text"].";\n";
            $output .= "\t\t}\n";
            $output .= "\t</style>\n";
        } else {
            $output = $data;
        }
        return $output;
    }
    /* }}} */
    /* show_settings {{{ */
    public function show_settings() {
        $output  = "<form name=\"altarchive_settings\" method=\"post\" action=\"index.php\">";
        $output .= "<input type=\"hidden\" name=\"action\" value=\"save_plugin_setting\" />";
        $output .= "<input type=\"hidden\" name=\"plugin\" value=\"altarchive\" />";
        $output .= "<table style=\"width: 220px;\"><tr>";
        $output .= "<td>".gettext("use default stylesheet?")."</td>";
        $output .= "<td><select name=\"altarchive_showdefaultcss\">";
        $output .= "<option value=\"1\"";
        if (array_key_exists("altarchive_showdefaultcss", $this->_settings) && $this->_settings["altarchive_showdefaultcss"] == 1)
            $output .= " selected=\"selected\"";
        $output .= ">".gettext("yes")."</option>";
        $output .= "<option value=\"0\"";
        if (!array_key_exists("altarchive_showdefaultcss", $this->_settings) || array_key_exists("altarchive_showdefaultcss", $this->_settings) && $this->_settings["altarchive_showdefaultcss"] == 0)
            $output .= " selected=\"selected\"";
        $output .= ">".gettext("no")."</option>";
        $output .= "</select></td>\n";
        $output .= "</tr><tr>";
        $output .= "<td>".gettext("years to show")."</td>";
        $output .= "<td><select name=\"altarchive_showyears\">";
        for ($i=1;$i<10;$i++) {
            $output .= "<option value=\"$i\"";
            if (array_key_exists("altarchive_showyears", $this->_settings) && $this->_settings["altarchive_showyears"] == $i)
                $output .= " selected=\"selected\"";
            $output .= ">$i</option>";
        }
        $output .= "</select></td>";
        $output .= "</tr><tr>";
        $output .= "<td colspan=\"2\"><input type=\"submit\" value=\"".gettext("Save")."\" /></td>";
        $output .= "</tr></table>";

        $output .= "</form>";
        echo $output;
    }
    /* }}} */
    /* save_setting {{{ */
    public function save_setting($requestdata) {
        /* first look if the setting is already there */
        $sql = "SELECT COUNT(*) FROM settings WHERE settingname = 'altarchive_showdefaultcss'";
        $res = $this->_mvblog->db->query($sql);
        $row = $res->fetchRow();
        if ($row[0]) {
            /* yes, so update */
            $sql = sprintf("UPDATE settings SET settingvalue='%d' WHERE settingname='altarchive_showdefaultcss'", $requestdata["altarchive_showdefaultcss"]);
        } else {
            /* no, so insert */
            $sql = sprintf("INSERT INTO settings (settingname, settingvalue) VALUES ('altarchive_showdefaultcss', '%d')", $requestdata["altarchive_showdefaultcss"]);
        }
        $res = $this->_mvblog->db->exec($sql);
        $this->_settings["altarchive_showdefaultcss"] = sprintf("%d", $requestdata["altarchive_showdefaultcss"]);
        /* first look if the setting is already there */
        $sql = "SELECT COUNT(*) FROM settings WHERE settingname = 'altarchive_showyears'";
        $res = $this->_mvblog->db->query($sql);
        $row = $res->fetchRow();
        if ($row[0]) {
            /* yes, so update */
            $sql = sprintf("UPDATE settings SET settingvalue='%d' WHERE settingname='altarchive_showyears'", $requestdata["altarchive_showyears"]);
        } else {
            /* no, so insert */
            $sql = sprintf("INSERT INTO settings (settingname, settingvalue) VALUES ('altarchive_showyears', '%d')", $requestdata["altarchive_showyears"]);
        }
        $res = $this->_mvblog->db->exec($sql);
        $this->_settings["altarchive_showyears"] = sprintf("%d", $requestdata["altarchive_showyears"]);
        $this->show_settings();
    }
    /* }}} */
}
?>