function &create(&$root, &$pipeline)
{
// Create contents of this inline box
if ($root->node_type() == XML_TEXT_NODE) {
$css_state =& $pipeline->getCurrentCSSState();
return InlineBox::create_from_text($root->content, $css_state->getProperty(CSS_WHITE_SPACE), $pipeline);
} else {
$box =& new InlineBox();
$css_state =& $pipeline->getCurrentCSSState();
$box->readCSS($css_state);
// Initialize content
$child = $root->first_child();
while ($child) {
$child_box =& create_pdf_box($child, $pipeline);
$box->add_child($child_box);
$child = $child->next_sibling();
}
// Add fake whitespace box with zero size for the anchor spans
// We need this, as "reflow" functions will automatically remove empty inline boxes from the
// document tree
//
if ($box->is_null()) {
$css_state->pushState();
$css_state->setProperty(CSS_FONT_SIZE, Value::fromData(0.01, UNIT_PT));
$whitespace = WhitespaceBox::create($pipeline);
$whitespace->readCSS($css_state);
$box->add_child($whitespace);
$css_state->popState();
}
}
return $box;
}
/**
* Create new block element and automatically initialize its contents
* with the given text string
*
* @param string $content The text string to be put inside the block box
*
* @return BlockBox new BlockBox object (with contents filled)
*
* @see InlineBox
* @see InlineBox::create_from_text()
*/
function &create_from_text($content, &$pipeline)
{
$box = new BlockBox();
$box->readCSS($pipeline->get_current_css_state());
$box->add_child(InlineBox::create_from_text($content, $box->get_css_property(CSS_WHITE_SPACE), $pipeline));
return $box;
}
function BoxNoteCall(&$content, &$pipeline)
{
$this->GenericInlineBox();
$this->_note_content =& $content;
$this->copy_style($content);
$this->put_height_constraint(new HCConstraint(null, null, null));
/**
* Prepare ::note-call box
*/
$this->_note_call_box = InlineBox::create_from_text(CSSListStyleType::format_number(LST_DECIMAL, 99), WHITESPACE_NORMAL, $pipeline);
$this->_note_call_box->copy_style($content);
$this->_note_call_box->content[0]->copy_style($content);
$font = $this->_note_call_box->content[0]->getCSSProperty(CSS_FONT);
$font = $font->copy();
$font->size->scale(0.75);
$this->_note_call_box->content[0]->setCSSProperty(CSS_FONT, $font);
$this->_note_call_box->content[0]->setCSSProperty(CSS_VERTICAL_ALIGN, VA_SUPER);
$this->_note_call_box->content[0]->setCSSProperty(CSS_LINE_HEIGHT, CSS::getDefaultValue(CSS_LINE_HEIGHT));
/**
* Prepare ::marker box
*/
$this->_note_marker_box = InlineBox::create_from_text(CSSListStyleType::format_number(LST_DECIMAL, 99), WHITESPACE_NORMAL, $pipeline);
$this->_note_marker_box->copy_style($content);
$this->_note_marker_box->content[0]->copy_style($content);
$font = $this->_note_marker_box->content[0]->getCSSProperty(CSS_FONT);
$font = $font->copy();
$font->size->scale(0.5);
$this->_note_marker_box->content[0]->setCSSProperty(CSS_FONT, $font);
$margin = $this->_note_marker_box->content[0]->getCSSProperty(CSS_MARGIN);
$margin = $margin->copy();
$margin->right = Value::fromData(FOOTNOTE_MARKER_MARGIN, UNIT_PT);
$this->_note_marker_box->content[0]->setCSSProperty(CSS_MARGIN, $margin);
$this->_note_marker_box->content[0]->setCSSProperty(CSS_VERTICAL_ALIGN, VA_SUPER);
$this->_note_marker_box->content[0]->setCSSProperty(CSS_LINE_HEIGHT, CSS::getDefaultValue(CSS_LINE_HEIGHT));
}
function _setup($text, &$pipeline)
{
/**
* Contents of the text box are somewhat similar to the inline box:
* a sequence of the text and whitespace boxes; we generate this sequence using
* the InlineBox, then copy contents of the created inline box to our button.
*
* @todo probably, create_from_text() function should be extracted to the common parent
* of inline boxes.
*/
$ibox = InlineBox::create_from_text($text, WHITESPACE_PRE, $pipeline);
$size = count($ibox->content);
for ($i = 0; $i < $size; $i++) {
$this->add_child($ibox->content[$i]);
}
/**
* Button height includes vertical padding (e.g. the following two buttons
* <input type="button" value="test" style="padding: 10px; height: 50px;"/>
* <input type="button" value="test" style="padding: 0px; height: 30px;"/>
* 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);
}
function &create(&$root, &$pipeline)
{
// Create contents of this inline box
if ($root->node_type() == XML_TEXT_NODE) {
$handler = get_css_handler('white-space');
return InlineBox::create_from_text($root->content, $handler->get());
} else {
$box =& new InlineBox();
// Initialize content
$child = $root->first_child();
while ($child) {
$child_box =& create_pdf_box($child, $pipeline);
$box->add_child($child_box);
$child = $child->next_sibling();
}
// Add fake whitespace box with zero size for the anchor spans
// We need this, as "reflow" functions will automatically remove empty inline boxes from the
// document tree
//
if ($box->is_null()) {
push_css_defaults();
pop_font_size();
push_font_size('0.01pt');
$whitespace = new WhitespaceBox();
$box->add_child($whitespace);
pop_css_defaults();
}
}
return $box;
}
function &create(&$root, &$pipeline)
{
// Text to be displayed
if ($root->has_attribute('value')) {
$text = trim($root->get_attribute("value"));
} else {
$text = "";
}
/**
* Input field name
*/
$name = $root->get_attribute('name');
$box =& new TextInputBox($root->get_attribute("value"), $name);
$box->readCSS($pipeline->getCurrentCSSState());
/**
* Contents of the text box are somewhat similar to the inline box:
* a sequence of the text and whitespace boxes; we generate this sequence using
* the InlineBox, then copy contents of the created inline box to our button.
*
* @todo probably, create_from_text() function should be extracted to the common parent
* of inline boxes.
*/
$ibox = InlineBox::create_from_text($text, WHITESPACE_PRE, $pipeline);
for ($i = 0, $size = count($ibox->content); $i < $size; $i++) {
$box->add_child($ibox->content[$i]);
}
return $box;
}
function &create(&$root, &$pipeline)
{
$name = $root->get_attribute('name');
$value = "";
$options = array();
// Get option list
$child = $root->first_child();
$content = "";
$size = 0;
while ($child) {
if ($child->node_type() == XML_ELEMENT_NODE) {
$size = max($size, strlen($child->get_content()));
if (empty($content) || $child->has_attribute("selected")) {
$content = preg_replace("/\\s/", " ", $child->get_content());
$value = trim($child->get_content());
}
if ($child->has_attribute('value')) {
$options[] = array($child->get_attribute('value'), $child->get_content());
} else {
$options[] = array($child->get_content(), $child->get_content());
}
}
$child = $child->next_sibling();
}
$content = str_pad($content, $size * SIZE_SPACE_KOEFF + SELECT_SPACE_PADDING, " ");
$box =& new SelectBox($name, $value, $options);
$box->readCSS($pipeline->getCurrentCSSState());
// Add text to be rendered in non-interactive mode
$ibox = InlineBox::create_from_text($content, WHITESPACE_PRE, $pipeline);
for ($i = 0, $size = count($ibox->content); $i < $size; $i++) {
$box->add_child($ibox->content[$i]);
}
return $box;
}
function SelectBox($name, $value, $options, $content)
{
// Call parent constructor
$this->InlineBox();
$this->_name = $name;
$this->_value = $value;
$this->_options = $options;
// Add text to be rendered in non-interactive mode
$ibox = InlineBox::create_from_text($content, WHITESPACE_PRE);
$size = count($ibox->content);
for ($i = 0; $i < $size; $i++) {
$this->add_child($ibox->content[$i]);
}
}
function setup_content($text, &$pipeline)
{
/**
* Contents of the text box are somewhat similar to the inline box:
* a sequence of the text and whitespace boxes; we generate this sequence using
* the InlineBox, then copy contents of the created inline box to our button.
*
* @todo probably, create_from_text() function should be extracted to the common parent
* of inline boxes.
*/
$ibox = InlineBox::create_from_text($text, WHITESPACE_PRE, $pipeline);
if (count($ibox->content) == 0) {
$this->append_child(TextBox::create(' ', 'iso-8859-1', $pipeline));
} else {
for ($i = 0, $size = count($ibox->content); $i < $size; $i++) {
$this->append_child($ibox->content[$i]);
}
}
}
function &create(&$root, &$pipeline)
{
// Text to be displayed
if ($root->has_attribute('value')) {
$text = str_repeat("*", strlen($root->get_attribute("value")));
} else {
$text = "";
}
/**
* Input field name
*/
$name = $root->get_attribute('name');
$box =& new PasswordInputBox($text, $root->get_attribute("value"), $name);
$box->readCSS($pipeline->get_current_css_state());
$ibox = InlineBox::create_from_text(" ", WHITESPACE_PRE, $pipeline);
for ($i = 0, $size = count($ibox->content); $i < $size; $i++) {
$box->add_child($ibox->content[$i]);
}
return $box;
}
function TextInputBox($size, $text, $value, $name)
{
// Call parent constructor
$this->InlineBox();
$this->_value = $value;
$this->_field_name = $name;
/**
* Contents of the text box are somewhat similar to the inline box:
* a sequence of the text and whitespace boxes; we generate this sequence using
* the InlineBox, then copy contents of the created inline box to our button.
*
* @todo probably, create_from_text() function should be extracted to the common parent
* of inline boxes.
*/
$ibox = InlineBox::create_from_text($text, WHITESPACE_PRE);
$size = count($ibox->content);
for ($i = 0; $i < $size; $i++) {
$this->add_child($ibox->content[$i]);
}
}
function &create_pdf_pseudoelement($root, $pe_type, &$pipeline)
{
// Store initial values to CSS stack
$css_state =& $pipeline->get_current_css_state();
$css_state->pushDefaultState();
// Initially generated boxes do not require block wrappers
// Block wrappers are required in following cases:
// - float property is specified for non-block box which cannot be directly converted to block box
// (a button, for example)
// - display set to block for such box
$need_block_wrapper = false;
$css =& $pipeline->get_current_css();
$css->apply_pseudoelement($pe_type, $root, $css_state, $pipeline);
// Now, if no content found, just return
//
$content_obj = $css_state->get_property(CSS_CONTENT);
if ($content_obj === CSS_PROPERTY_INHERIT) {
$content_obj = $css_state->getInheritedProperty(CSS_CONTENT);
}
$content = $content_obj->render($pipeline->get_counters());
if ($content === '') {
$css_state->popState();
$dummy = null;
return $dummy;
}
// CSS 2.1:
// 9.7 Relationships between 'display', 'position', and 'float'
// The three properties that affect box generation and layout
// 'display', 'position', and 'float' interact as follows:
// 1. If 'display' has the value 'none', then 'position' and 'float' do not apply.
// In this case, the element generates no box.
// 2. Otherwise, if 'position' has the value 'absolute' or 'fixed', the box is absolutely positioned,
// the computed value of 'float' is 'none', and display is set according to the table below.
// The position of the box will be determined by the 'top', 'right', 'bottom' and 'left' properties and
// the box's containing block.
$position_handler =& CSS::get_handler(CSS_POSITION);
$float_handler =& CSS::get_handler(CSS_FLOAT);
$position = $position_handler->get($css_state->getState());
if ($position === CSS_PROPERTY_INHERIT) {
$position = $css_state->getInheritedProperty(CSS_POSITION);
}
if ($position === POSITION_ABSOLUTE || $position === POSITION_FIXED) {
$float_handler->replace(FLOAT_NONE);
$need_block_wrapper |= _fix_display_position_float($css_state);
}
// 3. Otherwise, if 'float' has a value other than 'none', the box is floated and 'display' is set
// according to the table below.
$float = $float_handler->get($css_state->getState());
if ($float != FLOAT_NONE) {
$need_block_wrapper |= _fix_display_position_float($css_state);
}
// 4. Otherwise, if the element is the root element, 'display' is set according to the table below.
// 5. Otherwise, the remaining 'display' property values apply as specified. (see _fix_display_position_float)
// Note that pseudoelements may get only standard display values
$display_handler =& CSS::get_handler(CSS_DISPLAY);
$display = $display_handler->get($css_state->getState());
switch ($display) {
case 'block':
$box =& BlockBox::create_from_text($content, $pipeline);
break;
case 'inline':
$ws_handler =& CSS::get_handler(CSS_WHITE_SPACE);
$box =& InlineBox::create_from_text($content, $ws_handler->get($css_state->getState()), $pipeline);
break;
default:
die('Unsupported "display" value: ' . $display_handler->get($css_state->getState()));
}
// Check if this box needs a block wrapper (for example, floating button)
// Note that to keep float/position information, we clear the CSS stack only
// AFTER the wrapper box have been created; BUT we should clear the following CSS properties
// to avoid the fake wrapper box actually affect the layout:
// - margin
// - border
// - padding
// - background
//
if ($need_block_wrapper) {
$handler =& CSS::get_handler(CSS_MARGIN);
$handler->css("0", $pipeline);
pop_border();
push_border(default_border());
pop_padding();
push_padding(default_padding());
$handler =& CSS::get_handler(CSS_BACKGROUND);
$handler->css('transparent', $pipeline);
// Create "clean" block box
$wrapper =& new BlockBox();
$wrapper->readCSS($pipeline->get_current_css_state());
$wrapper->add_child($box);
$css_state->popState();
return $wrapper;
} else {
$css_state->popState();
return $box;
}
}
/**
* Create new block element and automatically initialize its contents
* with the given text string
*
* @param string $content The text string to be put inside the block box
*
* @return BlockBox new BlockBox object (with contents filled)
*
* @see InlineBox
* @see InlineBox::create_from_text()
*/
function &create_from_text($content)
{
$box = new BlockBox();
$box->add_child(InlineBox::create_from_text($content, $box->white_space));
return $box;
}
function BoxPageMargin(&$pipeline, $at_rule)
{
$state =& $pipeline->get_current_css_state();
$state->pushDefaultState();
$root = null;
$at_rule->css->apply($root, $state, $pipeline);
$this->GenericContainerBox();
$this->readCSS($state);
$state->pushDefaultstate();
/**
* Check whether 'content' or '-html2ps-html-content' properties had been defined
* (if both properties are defined, -html2ps-html-content takes precedence)
*/
$raw_html_content =& $at_rule->get_css_property(CSS_HTML2PS_HTML_CONTENT);
$html_content = $raw_html_content->render($pipeline->get_counters());
if ($html_content !== '') {
// We should wrap html_content in DIV tag,
// as we treat only the very first box of the resulting DOM tree as margin box content
$html_content = html2xhtml("<div>" . $html_content . "</div>");
$tree = TreeBuilder::build($html_content);
$tree_root = traverse_dom_tree_pdf($tree);
$body_box =& create_pdf_box($tree_root, $pipeline);
$box =& $body_box->content[0];
} else {
$raw_content =& $at_rule->get_css_property(CSS_CONTENT);
$content = $raw_content->render($pipeline->get_counters());
$box =& InlineBox::create_from_text($content, WHITESPACE_PRE_LINE, $pipeline);
}
$this->add_child($box);
$state->popState();
$state->popState();
}
function &create_pdf_pseudoelement($root, $pe_type, &$pipeline)
{
// Store initial values to CSS stack
//
push_css_defaults();
// Apply default stylesheet rules (using base element)
global $g_css_defaults_obj;
$g_css_defaults_obj->apply($root, $pipeline);
// Initially generated boxes do not require block wrappers
// Block wrappers are required in following cases:
// - float property is specified for non-block box which cannot be directly converted to block box
// (a button, for example)
// - display set to block for such box
$need_block_wrapper = false;
// Order is important. Items with most priority should be applied last
// Tag attributes
execute_attrs_before($root, $pipeline);
// CSS stylesheet
global $g_css_obj;
$g_css_obj->apply($root, $pipeline);
// values from 'style' attribute
if ($root->has_attribute("style")) {
parse_style_attr(null, $root, $pipeline);
}
// Pseudoelement-specific rules; be default, it should flow inline
//
$handler =& get_css_handler('display');
$handler->css('inline', $pipeline);
$handler =& get_css_handler('content');
$handler->css("", $pipeline);
$handler =& get_css_handler('float');
$handler->css("none", $pipeline);
$handler =& get_css_handler('position');
$handler->css("static", $pipeline);
$handler =& get_css_handler('margin');
$handler->css("0", $pipeline);
$handler =& get_css_handler('width');
$handler->css("auto", $pipeline);
$handler =& get_css_handler('height');
$handler->css("auto", $pipeline);
$g_css_obj->apply_pseudoelement($pe_type, $root, $pipeline);
// Now, if no content found, just return
//
$handler =& get_css_handler('content');
$content = $handler->get();
if ($content === "") {
pop_css_defaults();
$dummy = null;
return $dummy;
}
// CSS 2.1:
// 9.7 Relationships between 'display', 'position', and 'float'
// The three properties that affect box generation and layout —
// 'display', 'position', and 'float' — interact as follows:
// 1. If 'display' has the value 'none', then 'position' and 'float' do not apply.
// In this case, the element generates no box.
$position_handler =& get_css_handler('position');
$float_handler =& get_css_handler('float');
// 2. Otherwise, if 'position' has the value 'absolute' or 'fixed', the box is absolutely positioned,
// the computed value of 'float' is 'none', and display is set according to the table below.
// The position of the box will be determined by the 'top', 'right', 'bottom' and 'left' properties and
// the box's containing block.
$position = $position_handler->get();
if ($position === POSITION_ABSOLUTE || $position === POSITION_FIXED) {
$float_handler->replace(FLOAT_NONE);
$need_block_wrapper |= _fix_display_position_float();
}
// 3. Otherwise, if 'float' has a value other than 'none', the box is floated and 'display' is set
// according to the table below.
$float = $float_handler->get();
if ($float != FLOAT_NONE) {
$need_block_wrapper |= _fix_display_position_float();
}
// 4. Otherwise, if the element is the root element, 'display' is set according to the table below.
// 5. Otherwise, the remaining 'display' property values apply as specified. (see _fix_display_position_float)
// Note that pseudoelements may get only standard display values
$display_handler =& get_css_handler('display');
switch (trim($display_handler->get())) {
case "block":
$box =& BlockBox::create_from_text($content);
break;
case "inline":
$ws_handler =& get_css_handler('white-space');
$box =& InlineBox::create_from_text($content, $ws_handler->get());
break;
default:
die("Unsupported 'display' value: " . $display_handler->get());
}
// Check if this box needs a block wrapper (for example, floating button)
// Note that to keep float/position information, we clear the CSS stack only
// AFTER the wrapper box have been created; BUT we should clear the following CSS properties
// to avoid the fake wrapper box actually affect the layout:
// - margin
// - border
// - padding
// - background
//
if ($need_block_wrapper) {
$handler =& get_css_handler('margin');
$handler->css("0", $pipeline);
pop_border();
push_border(default_border());
pop_padding();
push_padding(default_padding());
$handler =& get_css_handler('background');
$handler->css('transparent', $pipeline);
// Create "clean" block box
$wrapper =& new BlockBox();
$wrapper->add_child($box);
// Remove CSS propery values from stack
execute_attrs_after($root, $pipeline);
pop_css_defaults();
return $wrapper;
} else {
// Remove CSS propery values from stack
execute_attrs_after($root, $pipeline);
pop_css_defaults();
return $box;
}
}
