tk2/Toolkit.php5

<?php

abstract class Toolkit extends SObject {
    private static $NEXT_ID = 0;
    private static $OBJECTS = array();
    private static $DEFAULT_THEME = null;

    private static $extraCSS = array();
    private static $extraJS = array();
    private static $extraForms = array();

    public static $INDIRECT = array();
    public static $TARGETS = array();

    public static $ENABLE_PROP_TYPE_CHECKING = false;
    public static $ENABLE_PROP_EXIST_CHECKING = false;

    /*************************************************************************\
     * Public methods                                                        *
    \*************************************************************************/

    public static function getDefaultTheme() {
        return self::$DEFAULT_THEME;
    }

    public static function setDefaultTheme($theme, $updateAll = false) {
        $oldTheme = get_class(self::$DEFAULT_THEME);
        self::$DEFAULT_THEME = $theme;
        if($updateAll == true) {
            foreach(self::$OBJECTS as $o) {
                $otheme = $o->getTheme();
                if($otheme === null || get_class($otheme) == $oldTheme)
                    $o->setTheme($theme);
            }
        }
    }

    public static function getComponent($id) {
        if(isset(self::$OBJECTS[$id]))
            return self::$OBJECTS[$id];
        else
            return null;
    }

    /*************************************************************************\
     * Methods for use within Toolkit-derived classes                        *
    \*************************************************************************/

    public static function globalAddExtraJS($slot, $js) {
        self::$extraJS[$slot] = $js;
    }

    public static function issetJS($slot) {
        return isset(self::$extraJS[$slot]);
    }

    public static function globalAddExtraCSS($slot, $js) {
        self::$extraCSS[$slot] = $js;
    }

    public static function globalAddHiddenForm($name, $form) {
        self::$extraForms[$name] = $form;
    }

    public static function classToString($class) {
        if(count($class) > 0)
            return " class=\"" . implode(" ", $class) . "\"";
        else
            return "";
    }

    public static function styleToString($style) {
        if(count($style) > 0) {
            $collect = " style=\"";
            foreach($style as $attr => $value)
                $collect .= "$attr:$value;";
            $collect .= "\"";
            return $collect;
        }
        else
            return "";
    }

    /*************************************************************************\
     * Internal methods for core Toolkit usage only (use at your own risk!)  *
    \*************************************************************************/

    public static function getNextId() {
        $id = self::$NEXT_ID;
        self::$NEXT_ID++;
        return $id;
    }

    public static function addObject($obj, $id) {
        self::$OBJECTS[$id] = $obj;
    }

    public static function addAsTarget($obj) {
        self::$TARGETS[$obj->getId()] = true;
    }

    public static function isTarget($id) {
        return isset(self::$TARGETS[$id]);
    }

    public static function setObjectId($obj, $newId) {
        unset(self::$OBJECTS[$obj->getId()]);
        self::$OBJECTS[$newId] = $obj;
        if(isset(self::$TARGETS[$obj->getId()])) {
            unset(self::$TARGETs[$obj->getId()]);
            self::$TARGETS[$newId] = true;
        }
    }

    public static function prm_getExtraCSS() {
        return implode("\n", self::$extraCSS);
    }

    public static function prm_getExtraJS() {
        foreach(self::$extraJS as $key => $value) {
            self::$extraJS[$key] = trim($value);
            if(self::$extraJS[$key] == '')
                unset(self::$extraJS[$key]);
        }
        $ret = implode("\n", self::$extraJS);
        $ret .= self::prm_generateIndirectEventJS();
        return $ret;
    }

    public static function prm_getJSSource() {
        $uiPath = SPath::getRelPath('UI');
        return "<script type=\"text/javascript\" src=\"$uiPath/tk/toolkit.js\"></script>";
    }

    public static function prm_getCSSSource() {
        $uiPath = SPath::getRelPath('UI');
        return "<link rel=\"stylesheet\" type=\"text/css\" href=\"$uiPath/tk/toolkit.css\" />\n";
    }

    public static function prm_getExtraForms() {
        return implode("\n", self::$extraForms);
    }

    public static function prm_generateIndirectEventJS() {
        if(count(self::$INDIRECT) > 0) {
            $js = "\nToolkit.emit=function(to,what){";
            $js .= "switch(to+what){";
            foreach(self::$INDIRECT as $to => $events) {
                foreach($events as $what => $actions) {
                    $actions = implode(';', $actions);
                    $js .= "case '$to$what':$actions;break;";
                }
            }
            $js .= "}}\n";
            return $js;
        }
        else
            return '';
    }

    public static function indirectExists($to, $what) {
        return isset(self::$INDIRECT[$to][$what]);
    }
}

?>

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