tk2/forms/TKSelect.php5

<?php

class TKSelect extends TKFormElement {
    protected $optionId;
    protected $options = array();
    protected $selAction;

    public function __construct($name, $multiple = false, $size = 0) {
        parent::__construct($name, "");
        $this->addProperty('selected', self::PROP_ARRAY);
        $this->addProperty('multiple', self::PROP_BOOLEAN);
        $this->addProperty('size', self::PROP_NUMERIC);
        $this->set('multiple', $multiple);
        $this->set('size', $size);
        $this->optionId = 0;

        $this->selAction = new TKSelectAction($this, array(), array());
        $this->setAction('onchange', $this->selAction);

        $this->setPropChangeListener('selected', array($this, 'makeString'));
    }

    public function makeString($prop, $newValue) {
        if(is_array($newValue)) {
            foreach($newValue as $k => $v)
                $newValue[$k] = "$v";
            return array(true, $newValue);
        }
        $newValue = "$newValue";
        return array(true, $newValue);
    }

    public function addOption($value, $label) {
        $this->options[$value] = $label;
        $this->addEvent('onselect' . $this->optionId, self::EVENT_INDIRECT);
        $this->addEvent('ondeselect' . $this->optionId, self::EVENT_INDIRECT);
        $this->selAction->addActions(new TKEmitAction($this, "onselect" . $this->optionId),
                                    new TKEmitAction($this, "ondeselect" . $this->optionId));
        $this->optionId++;
        if(count($this->getSelected()) == 0) {
            $this->setSelected($value);
        }
    }

    public function getOptions() {
        return $this->options;
    }

    public function getSelectedIndex() {
        $value = $this->getSelected();
        if($value == "")
            return 0;
        $i = 0;
        foreach($this->options as $val => $label) {
            if(in_array((string)$val, $value)) {
                return $i;
            }
            else
                $i++;
        }
        return -1;
    }

    protected function renderComponent($class, $style, $events, $id) {
        list($name, $disabled, $value) = $this->getStandardProperties();
        $multiple = $this->get('multiple');
        if($multiple != "")
            $multiple = " multiple=\"$multiple\"";
        $size = $this->get('size');
        if($size > 0)
            $size = " size=\"$size\"";
        else
            $size = '';

        $collect = "<select $id$name$multiple$size$disabled$class[0]$style[0]$events>";
        $selected = $this->get('selected');
        foreach($this->options as $value => $label) {
            // added by jwsm: now checks both values and types to make sure that a ""
            // value doesn't cause a form to select a "0" option.
            if(in_array((string)$value, $selected, true)) {// || in_array($value, $selected, true)) {
                $collect .= "<option value=\"$value\" selected=\"selected\">"
                    . "$label</option>\n";
            }
            else
                $collect .= "<option value=\"$value\">$label</option>\n";
        }
        $collect .= "</select>\n";
        return $collect;
    }

    public static function createFromXML($attrs, $contents, $node) {
        $name = $attrs['name'];
        $obj = new TKSelect($name);
        self::convertStdAttributes($obj, $attrs);
        self::convertStdEvents($obj, $node);
        foreach($node['children'] as $child) {
            if($child['tag'] == 'item') {
                $value = $child['attrs']['value'];
                $label = $child['value'];
                $obj->addOption($value, $label);
                if(isset($child['attrs']['selected']) && $child['attrs']['selected'] == 'true')
                    $obj->set('selected', $value);
            }
        }
        return $obj;
    }
}

?>

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