InlineControlBox();
}
function get_max_width(&$context, $limit = 10E6) {
return
GenericContainerBox::get_max_width($context, $limit);
}
/**
* Create a new button element from the DOM tree element
*
* @param DOMElement $root pointer to the DOM tree element corresponding to the button.
*
* @return ButtonBox new button element
*/
function &create(&$root, &$pipeline) {
/**
* Button text is defined by its 'value' attrubute;
* if this attribute is not specified, we should provide some
* appropriate defaults depending on the exact button type:
* reset, submit or generic button.
*
* Default button text values are specified in config file config.inc.php.
*
* @see config.inc.php
* @see DEFAULT_SUBMIT_TEXT
* @see DEFAULT_RESET_TEXT
* @see DEFAULT_BUTTON_TEXT
*/
if ($root->has_attribute("value")) {
$text = $root->get_attribute("value");
} else {
$text = DEFAULT_BUTTON_TEXT;
};
$box =& new ButtonBox();
$box->readCSS($pipeline->get_current_css_state());
/**
* If button width is not constrained, then we'll add some space around the button text
*/
$text = " ".$text." ";
$box->_setup($text, $pipeline);
return $box;
}
function _setup($text, &$pipeline) {
$this->setup_content($text, $pipeline);
/**
* Button height includes vertical padding (e.g. the following two buttons
*
*
* are render by browsers with the same height!), so we'll need to adjust the
* height constraint, subtracting the vertical padding value from the constraint
* height value.
*/
$hc = $this->get_height_constraint();
if (!is_null($hc->constant)) {
$hc->constant[0] -= $this->get_padding_top() + $this->get_padding_bottom();
};
$this->put_height_constraint($hc);
}
/**
* Render the form field corresponding to this button
* (Will be overridden by subclasses; they may render more specific button types)
*
* @param OutputDriver $driver The output driver object
*/
function _render_field(&$driver) {
$driver->field_pushbutton($this->get_left_padding(),
$this->get_top_padding(),
$this->get_width() + $this->get_padding_left() + $this->get_padding_right(),
$this->get_height() + $this->get_padding_top() + $this->get_padding_bottom());
}
/**
* Render the button using the specified output driver
*
* @param OutputDriver $driver The output driver object
*
* @return boolean flag indicating an error (null value) or success (true)
*/
function show(&$driver) {
/**
* Set the baseline of a button box so that the button text will be aligned with
* the line box baseline
*/
$this->default_baseline = $this->content[0]->baseline + $this->get_extra_top();
$this->baseline = $this->content[0]->baseline + $this->get_extra_top();
/**
* Render the interactive button (if requested and possible)
*/
if ($GLOBALS['g_config']['renderforms']) {
$status = GenericContainerBox::show($driver);
$this->_render_field($driver);
} else {
$status = GenericContainerBox::show($driver);
};
return $status;
}
}
?>