Subversion-Projekte lars-tiefland.php_share

<?php

require_once(HTML2PS_DIR.'box.generic.inline.php');

/**

 * @TODO: constructor required font properties to be known for the

 * "content" element; on the other side, "content" element may be one

 * without font properties defined/used. Currently, it is solved by

 * adding CSS_FONT and CSS_LETTER_SPACING to GenericFormattedBox::readCSS

 */

class BoxNoteCall extends GenericInlineBox {

  var $_note_number;

  var $_note_content;

  var $_note_marker_box;

  var $_note_call_box;

  function offset($dx, $dy) {

    parent::offset($dx, $dy);

    $this->_note_call_box->offset($dx, $dy);

  }

  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]->get_css_property(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]->get_css_property(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]->get_css_property(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 &create(&$content, &$pipeline) {

    $box = new BoxNoteCall($content, $pipeline);

    return $box;

  }

  function reflow(&$parent, &$context) {

    $parent->append_line($this->_note_call_box);

    $body = $parent;

    while ($body->parent) {

      $body = $body->parent;

    };

    /**

     * Reflow note content

     */

    $this->put_full_height(1000);

    $this->put_full_width($body->get_width());

    $this->_current_x = $this->get_left();

    $this->_current_y = $this->get_top();

    $this->_note_content->reflow($this, $context);

    $this->_current_x = $this->get_left();

    $this->_current_y = $this->get_top();

    $this->_note_marker_box->reflow($this, $context);

    $this->_current_x = $this->get_left();

    $this->_current_y = $this->get_top();

    $this->_note_call_box->reflow($this, $context);

    // This prevents note-call box from affecting line height

    $this->_note_call_box->put_full_height(0);

    /**

     * Reflow note-call itself

     */

    $this->put_full_height(0);

    $this->put_full_width(0);

    $this->guess_corner($parent);

    $parent->_current_x += $this->_note_call_box->content[0]->get_width();

    $this->_note_call_box->put_full_width($this->_note_call_box->content[0]->get_width());

    $this->_note_call_box->moveto($this->get_left(), $this->get_top());

//     $last =& $parent->last_in_line();

//     $last->note_call = true;

    return true;

  }

  function reflow_whitespace(&$linebox_started, &$previous_whitespace) {

    $ls = false;

    $pw = false;

    $this->_note_content->reflow_whitespace($ls, $pw);

  }

  function reflow_text(&$driver) {

    $this->_note_content->reflow_text($driver);

    $this->_note_marker_box->reflow_text($driver);

    $this->_note_call_box->reflow_text($driver);

    return true;

  }

  function _getFootnoteHeight(&$driver) {

    if ($driver->getFootnoteCount() == 0) {

      $footnote_height =

        $this->_note_content->get_full_height() +

        FOOTNOTE_LINE_TOP_GAP +

        FOOTNOTE_LINE_BOTTOM_GAP;

    } else {

      $footnote_height =

        $this->_note_content->get_full_height() +

        FOOTNOTE_GAP;

    };

    return $footnote_height;

  }

  function show(&$driver) {

    $footnote_height = $this->_getFootnoteHeight($driver);

    if (!$driver->willContain($this, $footnote_height)) {

      return true;

    };

    $driver->setFootnoteAreaHeight($driver->getFootnoteAreaHeight() + $footnote_height);

    $driver->setFootnoteCount($driver->getFootnoteCount() + 1);

    /**

     * Prepare box containing note number

     */

    $this->_note_number = $driver->getFootnoteCount();

    /**

     * Render reference number

     */

    $this->_note_call_box->content[0]->words[0] = CSSListStyleType::format_number(LST_DECIMAL,

                                                                                  $this->_note_number);

    $this->_note_call_box->show_fixed($driver);

    return true;

  }

  function show_footnote(&$driver, $x, $y) {

    /**

     * Render note reference number

     */

    $this->_note_marker_box->content[0]->words[0] = CSSListStyleType::format_number(LST_DECIMAL,

                                                                                    $this->_note_number);

    $this->_note_marker_box->moveto($x, $y);

    $this->_note_marker_box->show_fixed($driver);

    /**

     * Render note content

     */

    $this->_note_content->moveto($x + $this->_note_marker_box->content[0]->get_width()*0.75,

                                 $y);

    $this->_note_content->show_fixed($driver);

    return $y - $this->_note_content->get_full_height();

  }

}

?>