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<?php
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// $Header: /cvsroot/html2ps/box.inline.control.php,v 1.7 2006/09/07 18:38:12 Konstantin Exp $
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class InlineControlBox extends InlineBox {
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function InlineControlBox() {
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$this->InlineBox();
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}
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function get_min_width(&$context, $limit = 10E6) {
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return $this->get_max_width($context, $limit);
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}
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function get_max_width(&$context, $limit = 10E6) {
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return
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GenericContainerBox::get_max_width($context, $limit) -
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$this->_get_hor_extra();
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}
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function line_break_allowed() {
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return false;
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}
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function reflow_static(&$parent, &$context) {
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GenericFormattedBox::reflow($parent, $context);
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// Determine the box width
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$this->_calc_percentage_width($parent, $context);
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$this->put_full_width($this->get_min_width($context, $parent->get_width()));
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$this->setCSSProperty(CSS_WIDTH, new WCNone());
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// Check if we need a line break here
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$this->maybe_line_break($parent, $context);
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// append to parent line box
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$parent->append_line($this);
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// Determine coordinates of upper-left _margin_ corner
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$this->guess_corner($parent);
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$this->reflow_content($context);
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/**
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* After text content have been reflown, we may determine the baseline of the control item itself;
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*
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* As there will be some extra whitespace on the top of the control box, we must add this whitespace
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* to the calculated baseline value, so text before and after control item will be aligned
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* with the text inside the box.
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*/
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$this->default_baseline = $this->content[0]->baseline + $this->get_extra_top();
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$this->baseline = $this->content[0]->baseline + $this->get_extra_top();
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// center the text vertically inside the control
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$text =& $this->content[0];
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$delta = ($text->get_top() - $text->get_height()/2) - ($this->get_top() - $this->get_height()/2);
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$text->offset(0,-$delta);
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// Offset parent current X coordinate
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$parent->_current_x += $this->get_full_width();
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// Extends parents height
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$parent->extend_height($this->get_bottom_margin());
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}
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function setup_content($text, &$pipeline) {
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/**
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* Contents of the text box are somewhat similar to the inline box:
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* a sequence of the text and whitespace boxes; we generate this sequence using
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* the InlineBox, then copy contents of the created inline box to our button.
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*
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* @todo probably, create_from_text() function should be extracted to the common parent
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* of inline boxes.
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*/
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$ibox = InlineBox::create_from_text($text, WHITESPACE_PRE, $pipeline);
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if (count($ibox->content) == 0) {
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$this->append_child(TextBox::create(' ', 'iso-8859-1', $pipeline));
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} else {
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for ($i=0, $size = count($ibox->content); $i<$size; $i++) {
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$this->append_child($ibox->content[$i]);
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};
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};
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}
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function show(&$viewport) {
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// Now set the baseline of a button box to align it vertically when flowing isude the
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// text line
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$this->default_baseline = $this->content[0]->baseline + $this->get_extra_top();
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$this->baseline = $this->content[0]->baseline + $this->get_extra_top();
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return GenericContainerBox::show($viewport);
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}
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}
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?>
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