52 lines
1.4 KiB
PHP
52 lines
1.4 KiB
PHP
<?php
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class StrategyWidthMinNowrap {
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var $_maxw;
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var $_cmaxw;
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function StrategyWidthMinNowrap() {
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}
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function add_width($delta) {
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$this->_cmaxw += $delta;
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}
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function line_break() {
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$this->_maxw = max($this->_maxw, $this->_cmaxw);
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$this->_cmaxw = 0;
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}
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function apply(&$box, &$context) {
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$this->_maxw = 0;
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// We need to add text indent to the width
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$ti = $box->getCSSProperty(CSS_TEXT_INDENT);
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$this->add_width($ti->calculate($box));
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for ($i=0, $size = count($box->content); $i<$size; $i++) {
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$child =& $box->content[$i];
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if ($child->isLineBreak()) {
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$this->line_break();
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} elseif (!$child->out_of_flow()) {
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if (is_inline($child)) {
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// Inline boxes content will not be wrapped, so we may calculate its max width
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$this->add_width($child->get_max_width($context));
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} else {
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// Non-inline boxes cause line break
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$this->line_break();
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$this->add_width($child->get_min_width($context));
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$this->line_break();
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}
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};
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}
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// Check if last line have maximal width
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$this->line_break();
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// Apply width constraint to min width. Return maximal value
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$wc = $box->getCSSProperty(CSS_WIDTH);
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return max($this->_maxw, $wc->apply($this->_maxw, $box->parent->get_width())) + $box->_get_hor_extra();
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}
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}
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?>
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