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<?php
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/**
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* Handles INPUT type="submit" boxes generation.
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*/
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class ButtonSubmitBox extends ButtonBox {
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/**
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* @var String URL to post the form to; may be null if this is not a 'submit' button
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* @access private
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*/
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var $_action_url;
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/**
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* Note: required for interative forms only
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*
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* @var String textual name of the input field
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* @access private
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*/
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var $_field_name;
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/**
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* Note: required for interactive forms only
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*
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* @var String button name to display
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* @access private
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*/
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var $_value;
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/**
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* Constructs new (possibly interactive) button box
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*
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* @param String $text text to display
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* @param String $field field name (interactive forms)
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* @param String $value field value (interactive forms)
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*/
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function ButtonSubmitBox($field, $value, $action) {
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$this->ButtonBox();
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$this->_action_url = $action;
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$this->_field_name = $field;
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$this->_value = $value;
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}
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/**
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* Create input box using DOM tree data
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*
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* @param Object $root DOM tree node corresponding to the box being created
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* @param Pipeline $pipeline reference to current pipeline object (unused)
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*
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* @return input box
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*/
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function &create(&$root, &$pipeline) {
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/**
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* If no "value" attribute is specified, display the default button text.
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* Note the difference between displayed text and actual field value!
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*/
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if ($root->has_attribute("value")) {
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$text = $root->get_attribute("value");
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} else {
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$text = DEFAULT_SUBMIT_TEXT;
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};
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$field = $root->get_attribute('name');
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$value = $root->get_attribute('value');
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$css_state =& $pipeline->get_current_css_state();
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$box =& new ButtonSubmitBox($field, $value, $css_state->get_property(CSS_HTML2PS_FORM_ACTION));
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$box->readCSS($css_state);
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$box->_setup($text, $pipeline);
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return $box;
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}
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/**
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* Render interactive field using the driver-specific capabilities;
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* button is rendered as a rectangle defined by margin and padding areas (note that unlike most other boxes,
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* borders are _outside_ the box, so we may treat
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*
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* @param OutputDriver $driver reference to current output driver object
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*/
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function _render_field(&$driver) {
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$driver->field_pushbuttonsubmit($this->get_left_padding() - $this->get_margin_left(),
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$this->get_top_padding() + $this->get_margin_top(),
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$this->get_width() + $this->get_padding_left() + $this->get_padding_right() + $this->get_margin_left() + $this->get_margin_right(),
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$this->get_height() + $this->get_padding_top() + $this->get_padding_bottom() + $this->get_margin_top() + $this->get_margin_bottom(),
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$this->_field_name,
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$this->_value,
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$this->_action_url);
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}
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}
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?>
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