public function parse(DOMElement $node)
{
$manager = IdmlDeclarationManager::getInstance();
foreach ($node->childNodes as $child) {
if ($child->nodeType != XML_ELEMENT_NODE) {
continue;
}
if ($child->nodeName == $this->groupTemplateName) {
$classname = 'Idml' . $this->groupTemplateName;
// something like 'IdmlParagraphStyleGroup'
$obj = new $classname();
$name = $obj->parse($child);
$manager->addDeclaredStyleGroup($name, $obj);
$this->children[] = $name;
} else {
if ($child->nodeName == $this->styleTemplateName) {
$classname = 'Idml' . $this->styleTemplateName;
// something like 'IdmlParagraphStyle'
$obj = new $classname();
$obj->parse($child);
$name = $obj->idmlKeyValues['Self'];
$manager->addDeclaredStyle($name, $obj);
$this->children[] = $name;
} else {
CakeLog::debug("[IdmlDeclaredStyleGroup::parse] Unhandled tag <{$child->nodeName}>");
}
}
}
return $node->hasAttribute('Self') ? $node->getAttribute('Self') : '';
}
protected function typographyFill($colorRef, $fillTint)
{
$enableFill = array_key_exists('EnableFill', $this->idmlContext) ? $this->idmlContext['EnableFill'] : 'true';
if ($enableFill == 'false') {
$this->registerCSS('color', 'transparent');
return;
}
$handle = IdmlDeclarationManager::getInstance()->declaredColorHandler;
list($colorRefType, $colorRefName) = explode('/', $colorRef);
switch ($colorRefType) {
case 'Swatch':
if ($colorRefName == 'None') {
$this->registerCSS('color', 'transparent');
}
break;
case 'Color':
case 'Ink':
case 'MixedInk':
case 'Tint':
$rgbRaw = $handle->colorRefToRGB($colorRef);
$rgbTint = $handle->applyTintToRGB($rgbRaw, $fillTint);
$hexColor = $handle->rgbAsHex($rgbTint);
$this->registerCSS('color', $hexColor);
break;
case 'Gradient':
$hexColor = $handle->firstColorAsCSS($colorRef);
$this->registerCSS('color', $hexColor);
break;
case 'PastedSmoothShade':
case 'MixedInkGroup':
default:
break;
}
}
/**
* Constructor.
* @var integer $currentRecursivePageNumber since this class is used recursively, we need to keep track
* of which page we are on when we construct a new instance. Use 1 for the outermost instance.
*/
public function __construct($currentRecursivePageNumber = 1)
{
$this->pageElements = array();
$this->diagnosticPageElements = array();
$this->pageNumber = $currentRecursivePageNumber;
$this->declarationMgr = IdmlDeclarationManager::getInstance();
$this->pageNameXref = array();
$this->currSvgUID = null;
}
public function __construct($idmlKeyValues, IdmlParagraphRange $paragraph)
{
$this->parentParagraph = $paragraph;
$idmlCharStyle = $idmlKeyValues['AppliedCharacterStyle'];
$this->charStyle = IdmlDeclarationManager::getInstance()->declaredStyles[$idmlCharStyle]->getClassName();
$this->numTimes = (int) $idmlKeyValues['Repetition'];
$this->delimiter = $idmlKeyValues['Delimiter'];
$this->inclusive = $idmlKeyValues['Inclusive'] == 'true';
$this->assignDelimValues($this->delimiter);
$this->numFound = 0;
}
/**
* The parse function is the starting point for parsing the Styles.xml file.
*/
public function load($filename)
{
$manager = IdmlDeclarationManager::getInstance();
// Read the /Resources/Styles.xml file into a DOMDocument
if (!file_exists($filename)) {
CakeLog::debug("[IdmlDeclarationParser::load] Filename not found {$filename}");
return false;
}
$doc = new DOMDocument();
if ($doc->load($filename) === false) {
CakeLog::debug("[IdmlDeclarationParser::load] Unable to read {$filename}");
return false;
}
$xpath = new DOMXPath($doc);
// Recursively read each of the style groups and their hierarchy of styles
$nodes = $xpath->query('//idPkg:Styles/RootCharacterStyleGroup');
if ($nodes->length > 0) {
$obj = new IdmlCharacterStyleGroup();
$name = $obj->parse($nodes->item(0));
$manager->addDeclaredStyleGroup($name, $obj);
}
$nodes = $xpath->query('//idPkg:Styles/RootParagraphStyleGroup');
if ($nodes->length > 0) {
$obj = new IdmlParagraphStyleGroup();
$name = $obj->parse($nodes->item(0));
$manager->addDeclaredStyleGroup($name, $obj);
}
$nodes = $xpath->query('//idPkg:Styles/RootObjectStyleGroup');
if ($nodes->length > 0) {
$obj = new IdmlObjectStyleGroup();
$name = $obj->parse($nodes->item(0));
$manager->addDeclaredStyleGroup($name, $obj);
}
$nodes = $xpath->query('//idPkg:Styles/RootTableStyleGroup');
if ($nodes->length > 0) {
$obj = new IdmlTableStyleGroup();
$name = $obj->parse($nodes->item(0));
$manager->addDeclaredStyleGroup($name, $obj);
}
$nodes = $xpath->query('//idPkg:Styles/RootCellStyleGroup');
if ($nodes->length > 0) {
$obj = new IdmlCellStyleGroup();
$name = $obj->parse($nodes->item(0));
$manager->addDeclaredStyleGroup($name, $obj);
}
// Using each style's "BasedOn" property, flatten the hierarchy so that each style has all of it's parent's properties.
$manager->resolveAll();
// Turn all properties which had duplicate names into an arrays
foreach ($manager->declaredStyles as $styleName => $declaredStyle) {
self::arrayifyDupes($styleName, $declaredStyle);
}
}
public function convert()
{
$underlineOnStr = array_key_exists('Underline', $this->idmlContext) ? $this->idmlContext['Underline'] : 'false';
$underlineOn = $underlineOnStr == 'true';
$backColorName = array_key_exists('Properties::UnderlineColor', $this->idmlContext) ? $this->idmlContext['Properties::UnderlineColor'] : false;
$underlineOffset = array_key_exists('UnderlineOffset', $this->idmlContext) ? $this->idmlContext['UnderlineOffset'] : false;
// This code addresses the use case where underlining is used to create a background color in InDesign
// It only applies when the Underline property is set to true, and the UnderlineColor and UnderlineOffset are set as well.
if ($underlineOn && $backColorName && $underlineOffset) {
$declarationMgr = IdmlDeclarationManager::getInstance();
if (substr($backColorName, 0, 5) == 'Color') {
$backColorValues = $declarationMgr->declaredColorHandler->declaredColors[$backColorName];
$backColor = IdmlDeclaredColors::rgbAsHex($backColorValues);
$this->registerCSS('background-color', $backColor);
}
}
}
/**
* @return int
*/
public function getComputedBorders()
{
$w = $this->computedBorders;
if ($w == 0) {
$stylesMgr = IdmlDeclarationManager::getInstance();
// see if there are computed borders on any of the declared styles associated with this element
foreach ($this->allStyles as $declaredStyle) {
if (!array_key_exists($declaredStyle, $stylesMgr->declaredStyles)) {
continue;
}
$w = $stylesMgr->declaredStyles[$declaredStyle]->computedBorders;
if ($w != 0) {
break;
}
}
}
return $w;
}
public function convert()
{
// The Mode value must be 'Drop'; otherwise this isn't a drop shadow.
if ($this->idmlPropertyValue == 'Drop') {
// First, obtain the values of x-offset, y-offset, and color.
// These are stored in separate properties in the contextual style
$horizOffset = array_key_exists('ContentTransparencySetting::DropShadowSetting->XOffset', $this->idmlContext) ? $this->idmlContext['ContentTransparencySetting::DropShadowSetting->XOffset'] : '0';
$vertOffset = array_key_exists('ContentTransparencySetting::DropShadowSetting->YOffset', $this->idmlContext) ? $this->idmlContext['ContentTransparencySetting::DropShadowSetting->YOffset'] : '0';
$effectColor = array_key_exists('ContentTransparencySetting::DropShadowSetting->EffectColor', $this->idmlContext) ? $this->idmlContext['ContentTransparencySetting::DropShadowSetting->EffectColor'] : 'Color/Black';
$size = array_key_exists('ContentTransparencySetting::DropShadowSetting->Size', $this->idmlContext) ? $this->idmlContext['ContentTransparencySetting::DropShadowSetting->Size'] : '5';
// Convert the color from IDML syntax to rgb, using the color handler associated with the declaration manager
$declarationMgr = IdmlDeclarationManager::getInstance();
$colorHandler = $declarationMgr->declaredColorHandler;
$rgbColor = $colorHandler->colorRefAsHex($effectColor);
// Use the components to assemble and register the CSS
$propertyValue = sprintf('%spx %spx %spx %s', $horizOffset, $vertOffset, $size, $rgbColor);
$this->registerCSS('text-shadow', $propertyValue);
}
}
/**
* Get the TabList array property for the tab's containing paragraph.
* If the tab list is not an array, or has no elements, it's not usable.
* @return array|null
*/
protected function getTabLists()
{
$tabList = null;
$paragraphStyles = $this->paragraph->contextualStyle->idmlKeyValues;
if (array_key_exists('Properties::TabList', $paragraphStyles) && is_array($paragraphStyles['Properties::TabList']) && count($paragraphStyles['Properties::TabList']) > 0) {
$tabList = $paragraphStyles['Properties::TabList'];
} else {
$declarationMgr = IdmlDeclarationManager::getInstance();
$paragraphStyles = $declarationMgr->declaredStyles[$this->paragraph->appliedStyleName];
if (is_array($paragraphStyles->idmlKeyValues['Properties::TabList'])) {
$tabList = $paragraphStyles->idmlKeyValues['Properties::TabList'];
}
}
return $tabList;
}
public function convert()
{
$enableDropShadow = array_key_exists('TransparencySetting::DropShadowSetting->Mode', $this->idmlContext) ? $this->idmlContext['TransparencySetting::DropShadowSetting->Mode'] : 'None';
$enableInnerShadow = array_key_exists('TransparencySetting::InnerShadowSetting->Applied', $this->idmlContext) ? $this->idmlContext['TransparencySetting::InnerShadowSetting->Applied'] : 'false';
if ($enableDropShadow == 'None' && $enableInnerShadow == 'false') {
return;
} else {
if ($enableDropShadow == 'Drop') {
$inset = '';
} else {
if ($enableInnerShadow == 'true') {
$inset = 'inset';
} else {
CakeLog::debug("[IdmlDecodeBoxShadow:convert] enableDropShadow={$enableDropShadow} enableInnerShadow={$enableInnerShadow}");
return;
}
}
}
// Initialize all values to defaults. Most may or may not be defined.
$horizOffset = '7';
$vertOffset = '7';
$blur = '5';
$spread = 5;
$opacity = 0.75;
$rgb = array(0, 0, 0);
// First, obtain the values of x- and y- offsets
if (array_key_exists('TransparencySetting::DropShadowSetting->XOffset', $this->contextualStyle->idmlKeyValues)) {
$horizOffset = (int) $this->contextualStyle->idmlKeyValues['TransparencySetting::DropShadowSetting->XOffset'];
}
if (array_key_exists('TransparencySetting::DropShadowSetting->YOffset', $this->contextualStyle->idmlKeyValues)) {
$vertOffset = (int) $this->contextualStyle->idmlKeyValues['TransparencySetting::DropShadowSetting->YOffset'];
}
// Account for the 'angle' property of an inner shadow.
// For now, we're simply assuming that if the angle is negative we have to reverse the 'polarity' by multiplying
// the offsets by -1. IDML's strategy may be more complicated and may need further management.
if (array_key_exists('TransparencySetting::InnerShadowSetting->Angle', $this->contextualStyle->idmlKeyValues)) {
$angle = (int) $this->contextualStyle->idmlKeyValues['TransparencySetting::InnerShadowSetting->Angle'];
if ($angle > 0) {
$horizOffset *= -1;
$vertOffset *= -1;
}
}
// Next, obtain the values of size and color.
if (array_key_exists('TransparencySetting::DropShadowSetting->Size', $this->contextualStyle->idmlKeyValues)) {
$spread = $this->contextualStyle->idmlKeyValues['TransparencySetting::DropShadowSetting->Size'];
}
// Get CMYK color and convert to RGB array
if (array_key_exists('TransparencySetting::DropShadowSetting->EffectColor', $this->contextualStyle->idmlKeyValues)) {
$effectColor = $this->contextualStyle->idmlKeyValues['TransparencySetting::DropShadowSetting->EffectColor'];
// Convert the color from IDML syntax to rgb, using the color handler associated with the declaration manager
$declarationMgr = IdmlDeclarationManager::getInstance();
$colorHandler = $declarationMgr->declaredColorHandler;
$rgb = $colorHandler->colorRefToRGB($effectColor);
}
// Idml's 'spread' is not the same as any CSS property. It affects the blur, but the size of the
// shadow--including the blur--always remains inside the box specified by the size property (in CSS, blur pushes the
// shadow outside the dimensions of its 'spread' property, which in CSS is the size of the shadow). Thus, the box shadow
// models in IDML and CSS are fundamentally different.
// Our use here is not correct, but rather represents a provisionary attempt at a best representation.
// Blur is set based on spread: higher spread means lower blur, but the relationship is not linear, so use
// a fractional exponent to scale. This still needs some tweaking, if not complete rewrite.
if (array_key_exists('TransparencySetting::DropShadowSetting->Spread', $this->contextualStyle->idmlKeyValues)) {
$idmlBlur = 100 - $this->contextualStyle->idmlKeyValues['TransparencySetting::DropShadowSetting->Spread'];
$scalingExponent = 0.25;
$blur = pow($idmlBlur, $scalingExponent);
}
// Add opacity to color
$rgbColor = 'rgba(' . $rgb[0] . ',' . $rgb[1] . ',' . $rgb[2] . ',' . $opacity . ')';
// Use the components to assemble and register the CSS
$propertyValue = $horizOffset . 'px ' . $vertOffset . 'px ' . $blur . 'px ' . $spread . 'px ' . $rgbColor . ' ' . $inset;
$this->registerCSS('box-shadow', $propertyValue);
}
/**
* If the paragraph has a nested style, set up the necessary helper class object here
*/
private function parseNestedStyle()
{
$appliedParagraphStyleName = $this->appliedStyleName;
$declarationMgr = IdmlDeclarationManager::getInstance();
$appliedParagraphStyle = $declarationMgr->declaredStyles[$appliedParagraphStyleName];
if (array_key_exists('Properties::AllNestedStyles', $appliedParagraphStyle->idmlKeyValues) && count($appliedParagraphStyle->idmlKeyValues['Properties::AllNestedStyles']) > 0) {
$this->nestedStyleHelpers = array();
foreach ($appliedParagraphStyle->idmlKeyValues['Properties::AllNestedStyles'] as $nestedStyle) {
$this->nestedStyleHelpers[] = new IdmlNestedStyleHelper($nestedStyle, $this);
$this->hasNestedStyle = true;
}
}
}
public function processBook()
{
$idmlAssembler = IdmlAssembler::getInstance();
$idmlAssembler->init($this);
$idmlAssembler->addIDMLPackages($this->sourceFiles);
$idmlAssembler->preparation();
$idmlAssembler->parse();
$idmlAssembler->produce();
// Saving the book CSS here is different from the original PXE implementation.
// It clobbers the template.css for PXE created by the old (now obsolete) Style Manager.
if (!$idmlAssembler->pxeTagsAdded) {
$bookCss = IdmlDeclarationManager::getInstance()->convertIdmlToCSS();
$this->saveBookCSS($bookCss, 'template.css', false);
}
$idmlAssembler->adjustMaxSteps();
return true;
}
/**
* Populates the array of all the elements styles: contextual and applied.
* @param IdmlElement $element
*/
private function setAllStyles(IdmlElement $element)
{
// Get applied styles. (IDML defaults the applied style name to 'n' if there is no applied style).
if ($element->appliedStyleName != 'n') {
$appliedStyle = $element->appliedStyleName;
$declarationMgr = IdmlDeclarationManager::getInstance();
$appliedStyleKeys = $declarationMgr->declaredStyles[$appliedStyle]->idmlKeyValues;
} else {
$appliedStyleKeys = array();
}
// Get contextual styles
$contextualStyles = isset($element->contextualStyle->idmlKeyValues) ? $element->contextualStyle->idmlKeyValues : array();
// Merge the styles into a single array
$this->allStyles = array_merge($appliedStyleKeys, $contextualStyles);
}
/**
* findProperty finds the most proximate defined value of the property $propName.
* It first looks for an override value in the contextual style itself.
* If not found, it then parses through the array of applied style class names to find a match.
*
* @param string $propName - the name of the style property we're looking for
* @param array $styleList - An array of all applied styles, in application order.
* @param string $fallback - value assigned to the property if it was not defined
* @return string $propValue - The value of the property, either in a contextual style or an applied (class) style
*/
protected function findProperty($propName, $styleList, $fallback = '')
{
$propValue = $fallback;
if (array_key_exists($propName, $this->idmlContext)) {
// Value found in contextual style: return it
return $this->idmlContext[$propName];
}
$declarationMgr = IdmlDeclarationManager::getInstance();
// Go through the hierarchy of applied style classes to look for the property.
foreach ($styleList as $style) {
if (array_key_exists($style, $declarationMgr->declaredStyles)) {
$appliedStyle = $declarationMgr->declaredStyles[$style];
if (array_key_exists($propName, $appliedStyle->idmlKeyValues)) {
return $appliedStyle->idmlKeyValues[$propName];
}
}
}
// If we reached here, return the value assigned as the fallback in the invocation
return $propValue;
}
/**
* @param string $cssTarget
* @param string $colorRef
* @param int $tint
* @param int $weight
*/
public function convertFontStroke($cssTarget, $colorRef, $tint, $weight)
{
$handle = IdmlDeclarationManager::getInstance()->declaredColorHandler;
list($colorRefType, $colorRefName) = explode('/', $colorRef, 2);
switch ($colorRefType) {
case 'Swatch':
if ($colorRefName === 'None') {
break;
}
case 'Color':
case 'Ink':
case 'MixedInk':
case 'Tint':
$rgbRaw = $handle->colorRefToRGB($colorRef);
$rgbTint = $handle->applyTintToRGB($rgbRaw, $tint);
$hexColor = $handle->rgbAsHex($rgbTint);
$cssValue = sprintf('%spx %s', $weight, $hexColor);
$this->registerCSS($cssTarget, $cssValue);
}
}
/** The readDesignMap function obtains the filename pointers to the MasterSpreads, Resources, Spreads,
* Stories, and XML from the designmap, which is the manifest that contains references to the names and locations
* of the package's XML files.
*
* @return boolean true on success, false on failure.
*/
public function readDesignMap()
{
//first read the BackStory.xml file to see if any Stories, Hyperlinks, etc. should be ignored ...
$this->readBackingStoryAndSetHiddenIds();
// The designmap contains references to everything in the package
$designmap = $this->tempDir . '/designmap.xml';
if (!file_exists($designmap)) {
$this->idmlAssembler->getProgressUpdater()->setWarning("{$designmap} does not exist.");
return false;
}
// create DOMDocument and DOMXPath objects
$doc = new DomDocument();
$b = $doc->load($designmap);
if ($b === false) {
return false;
}
$xpath = new DOMXPath($doc);
// Parse the preferences file, which contains the width and height of our pages
$tags = $xpath->query('//idPkg:Preferences');
assert($tags->length == 1);
$attr = $tags->item(0)->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$this->preferences = new IdmlPreferences();
$this->preferences->load($filename);
IdmlAssembler::updateBookSize($this->preferences->pageWidth, $this->preferences->pageHeight);
// The Declaration Manager deals with declared Colors, declared Styles, and declared Style Groups
$manager = IdmlDeclarationManager::getInstance();
// Parse the graphics file which contains color declarations (this must be done before parsing the Styles)
$tags = $xpath->query('//idPkg:Graphic');
assert($tags->length == 1);
$attr = $tags->item(0)->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$manager->loadDeclaredColors($filename);
// There should always be exactly one Styles file *** Version 2: non-PEARSON ***
$tags = $xpath->query('//idPkg:Styles');
assert($tags->length == 1);
$attr = $tags->item(0)->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$manager->loadDeclaredStyles($filename);
/* // There should always be exactly one Styles file *** Version 1: PEARSON PXE ***
$tags = $xpath->query('//idPkg:Styles');
assert( $tags->length == 1 );
$attr = $tags->item(0)->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$this->style = new IdmlStyles($this);
$this->style->filename = $filename;
$this->style->load();
*/
// Parse fonts file.
$tags = $xpath->query('//idPkg:Fonts');
assert($tags->length == 1);
$attr = $tags->item(0)->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
IdmlFontManager::getInstance()->loadFonts($filename);
// There should always be exactly one Tags file
$tags = $xpath->query('//idPkg:Tags');
assert($tags->length == 1);
$attr = $tags->item(0)->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$this->tags = new IdmlTags($this);
$this->tags->filename = $filename;
$this->tags->load();
// There are possibly several MasterSpread files, which are referenced by real spreads and accessed by their UID's.
$tags = $xpath->query('//idPkg:MasterSpread');
foreach ($tags as $tag) {
$attr = $tag->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$matches = null;
$found = preg_match('|MasterSpreads/MasterSpread_(.*)\\.xml|', $attr->value, $matches);
// u154 <-- MasterSpreads/MasterSpread_u154.xml
if ($found == 1) {
$UID = $matches[1];
$masterSpread = new IdmlMasterSpread($this);
$masterSpread->filename = $filename;
$this->masterSpreads[$UID] = $masterSpread;
} else {
$this->idmlAssembler->getProgressUpdater()->setWarning("Unable to determine UID for MasterSpread '{$attr->value}'.");
}
}
// There are most likely many Spread files, and they are ordered in the designmap
// according to the book's page ordering.
$tags = $xpath->query('//idPkg:Spread');
foreach ($tags as $tag) {
$attr = $tag->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$spread = new IdmlSpread($this);
$spread->filename = $filename;
$this->spreads[] = $spread;
}
// There are most likely many Story files, which are referenced by TextFrames and accessed by a parentStoryUID.
$tags = $xpath->query('//idPkg:Story');
foreach ($tags as $tag) {
$attr = $tag->attributes->getNamedItem('src');
$filename = "{$this->tempDir}/{$attr->value}";
$matches = null;
$found = preg_match('|Stories/Story_(.*)\\.xml|', $attr->value, $matches);
// u154 <-- Stories/Story_u154.xml
if ($found == 1) {
$UID = $matches[1];
if (!array_key_exists($UID, $this->chaucerHidden)) {
//create/store the story if it is not hidden by a designer
$story = new IdmlStory($UID);
$story->filename = $filename;
$this->stories[$UID] = $story;
}
} else {
$this->idmlAssembler->getProgressUpdater()->setWarning("Unable to determine UID for Story '{$attr->value}'.");
}
}
//Parse hyperlink information
$this->hyperlinks = array();
$tags = $xpath->query('//Hyperlink');
$hyperlinkMgr = IdmlHyperlinkManager::getInstance();
foreach ($tags as $tag) {
$properties = IdmlParserHelper::getAllDomNodeAttributesAndProperties($tag);
// This code is (we think) PXE processing code
if (!array_key_exists($properties['Self'], $this->chaucerHidden)) {
// create/store the hyperlink if it is not hidden by a designer
// The $destNode can be either a HyperlinkURLDestination or a HyperlinkPageDestination in the IDML,
// and is referenced by the Hyperlink element.
$destId = $properties['Destination'];
$destNode = $xpath->query('//*[@Self="' . $destId . '"]');
if ($destNode->length > 0) {
$destNode = $destNode->item(0);
$properties['Destination'] = IdmlParserHelper::getAllDomNodeAttributesAndProperties($destNode);
$properties['Destination']['DestinationType'] = $destNode->nodeName;
}
$this->hyperlinks[$properties['Self']] = $properties;
}
// The remainder of this foreach is specifically written for non-PXE IDML
$hyperlinkSource = $properties['Source'];
$external = false;
// unless the link goes to a page outside the epub
// If the Destination property is an array, the destination is a link to either
// a page within the epub (with the page UID in the data), or or an external link.
// So the destination can be set here.
if (is_array($properties['Destination'])) {
$anchor = false;
// link is to a page, not an anchor
if ($properties['Destination']['DestinationType'] == 'HyperlinkURLDestination') {
// External page: use as is
$hyperlinkDestination = $properties['Destination']['DestinationURL'];
$external = true;
// This links to a page outside the epub
} else {
// Internal page. Use the page UID; add the package index and the .html suffix
$hyperlinkDestination = $properties['Destination']['DestinationPage'];
}
} else {
$anchor = true;
// link is to an anchor on a page.
$hyperlinkDestination = 'Hyperlink_' . $properties['DestinationUniqueKey'];
}
$hyperlinkMgr->setSourceDestination($hyperlinkSource, $hyperlinkDestination, $anchor, $external);
}
//Parse layer information
$layers = $xpath->query('//Layer');
$layerManager = IdmlLayerManager::getInstance();
foreach ($layers as $layer) {
$layerManager->addLayer($layer);
}
return true;
}
/**
* @return string containing the canonical CSS classname applied to this element,
* suitable for use in an HTML class='' attribute
*/
public function getCssClassname()
{
$idmlAppliedStyle = $this->appliedStyleName;
if ($idmlAppliedStyle == '') {
return '';
}
$mgr = IdmlDeclarationManager::getInstance();
if (!array_key_exists($idmlAppliedStyle, $mgr->declaredStyles)) {
return '';
}
$declaredStyle = $mgr->declaredStyles[$idmlAppliedStyle];
// this will rarely happen, but might in the case of a <Change> element
if (!$declaredStyle) {
return '';
}
// this is the normal case
return $declaredStyle->getClassName();
}