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Trevor Batley
228
lib/plugins/odt/ODT/ODTParagraph.php
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228
lib/plugins/odt/ODT/ODTParagraph.php
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<?php
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/**
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* ODT Paragraph handling.
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author LarsDW223
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* @package ODT\Paragraph
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*/
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/** Include ODTDocument */
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require_once DOKU_PLUGIN . 'odt/ODT/ODTDocument.php';
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/**
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* ODTParagraph:
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* Class containing static code for handling paragraphs.
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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*/
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class ODTParagraph
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{
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/**
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* Open a paragraph
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*
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* @param ODTInternalParams $params Commom params.
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* @param string|null $styleName The style to use.
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* @param string $element The element name, e.g. "div"
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* @param string $attributes The attributes belonging o the element, e.g. 'class="example"'
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*/
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public static function paragraphOpen(ODTInternalParams $params, $styleName=NULL, $element=NULL, $attributes=NULL){
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if ($element == NULL) {
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$element = 'p';
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}
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if ( empty($styleName) ) {
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$styleName = $params->document->getStyleName('body');
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}
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$list = NULL;
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$listItem = $params->document->state->getCurrentListItem();
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if ($listItem != NULL) {
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// We are in a list item. Is this the list start?
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$list = $listItem->getList();
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if ($list != NULL) {
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// Get list count and Flag if this is the first paragraph in the list
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$listCount = $params->document->state->countClass('list');
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$isFirst = $list->getListFirstParagraph();
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$list->setListFirstParagraph(false);
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// Create a style for putting a top margin for this first paragraph of the list
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// (if not done yet, the name must be unique!)
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if ($listCount == 1 && $isFirst) {
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// If we have a standard list content paragraph style then we use the
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// corresponding always existing first and last default styles
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if ($styleName == $params->document->getStyleName('list content')) {
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$styleName = $params->document->getStyleName('list first');
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} else if ($styleName == $params->document->getStyleName('numbering content')) {
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$styleName = $params->document->getStyleName('numbering first');
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} else {
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// No standard list paragraph style.
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// Has a clone for the first paragraph's style already been created...
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$styleNameFirst = 'FirstListParagraph_'.$styleName;
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if (!$params->document->styleExists($styleNameFirst)) {
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// ...no, create style as copy of style 'list first' or 'numbering first'
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if ($list->getStyleName() == $params->document->getStyleName('list')) {
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$styleFirstTemplate = $params->document->getStyleByAlias('list first');
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} else {
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$styleFirstTemplate = $params->document->getStyleByAlias('numbering first');
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}
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if ($styleFirstTemplate != NULL) {
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$styleBody = $params->document->getStyle($styleName);
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$styleDisplayName = 'First '.$styleBody->getProperty('style-display-name');
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$styleObj = clone $styleFirstTemplate;
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if ($styleObj != NULL) {
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$styleObj->setProperty('style-name', $styleNameFirst);
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$styleObj->setProperty('style-parent', $styleName);
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$styleObj->setProperty('style-display-name', $styleDisplayName);
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$bottom = $styleFirstTemplate->getProperty('margin-bottom');
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if ($bottom === NULL) {
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$styleObj->setProperty('margin-bottom', $styleBody->getProperty('margin-bottom'));
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}
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$params->document->addStyle($styleObj);
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$styleName = $styleNameFirst;
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}
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}
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} else {
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// ...yes, just use the name
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$styleName = $styleNameFirst;
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}
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}
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}
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}
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}
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// Opening a paragraph inside another paragraph is illegal
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$inParagraph = $params->document->state->getInParagraph();
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if (!$inParagraph) {
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if ( $params->document->pageFormatChangeIsPending() ) {
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$pageStyle = $params->document->doPageFormatChange($styleName);
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if ( $pageStyle != NULL ) {
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$styleName = $pageStyle;
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// Delete pagebreak, the format change will also introduce a pagebreak.
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$params->document->setPagebreakPending(false);
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}
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}
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if ( $params->document->pagebreakIsPending() ) {
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$styleName = $params->document->createPagebreakStyle ($styleName);
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$params->document->setPagebreakPending(false);
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}
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// If we are in a list remember paragraph position
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if ($list != NULL) {
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$list->setListLastParagraphPosition(strlen($params->content));
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}
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if ($params->elementObj == NULL) {
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$properties = array();
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ODTUtility::openHTMLElement ($params, $properties, $element, $attributes);
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}
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$paragraph = new ODTElementParagraph($styleName);
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$params->document->state->enter($paragraph);
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$params->content .= $paragraph->getOpeningTag();
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$paragraph->setHTMLElement ($element);
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}
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}
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/**
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* Close a paragraph.
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*
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* @param ODTInternalParams $params Commom params.
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*/
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public static function paragraphClose(ODTInternalParams $params){
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$paragraph = $params->document->state->getCurrentParagraph();
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if ($paragraph != NULL) {
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ODTUtility::closeHTMLElement ($params, $paragraph->getHTMLElement());
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$params->content .= $paragraph->getClosingTag();
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$params->document->state->leave();
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}
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}
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/**
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* This function opens a new paragraph using the style as set in the imported CSS $import.
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* So, the function requires the helper class 'helper_plugin_odt_cssimport'.
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* The CSS style is selected by the element type 'p' and the specified classes in $classes.
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* The property 'background-image' is emulated by inserting an image manually in the paragraph.
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* If the url from the CSS should be converted to a local path, then the caller can specify a $baseURL.
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* The full path will then be $baseURL/background-image.
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*
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* This function calls _odtParagraphOpenUseProperties. See the function description for supported properties.
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*
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* The span should be closed by calling '_odtParagraphClose'.
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*
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* @author LarsDW223
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* @param ODTInternalParams $params Commom params.
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* @param string $element The element name, e.g. "div"
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* @param string $attributes The attributes belonging o the element, e.g. 'class="example"'
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*/
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public static function paragraphOpenUseCSS(ODTInternalParams $params, $element=NULL, $attributes=NULL){
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$inParagraph = $params->document->state->getInParagraph();
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if ($inParagraph) {
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return;
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}
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$properties = array();
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ODTUtility::openHTMLElement ($params, $properties, $element, $attributes);
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$params->elementObj = $params->htmlStack->getCurrentElement();
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self::paragraphOpenUseProperties($params, $properties);
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}
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/**
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* This function opens a new paragraph using the style as set in the assoziative array $properties.
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* The parameters in the array should be named as the CSS property names e.g. 'color' or 'background-color'.
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* The property 'background-image' is emulated by inserting an image manually in the paragraph.
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*
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* The currently supported properties are:
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* background-color, color, font-style, font-weight, font-size, border, font-family, font-variant, letter-spacing,
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* vertical-align, line-height, background-image (emulated)
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*
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* The paragraph must be closed by calling 'p_close'.
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*
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* @author LarsDW223
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*
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* @param ODTInternalParams $params Commom params.
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* @param array $properties Properties to use.
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*/
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public static function paragraphOpenUseProperties(ODTInternalParams $params, $properties){
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$inParagraph = $params->document->state->getInParagraph();
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if ($inParagraph) {
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return;
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}
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$disabled = array ();
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$in_paragraph = $params->document->state->getInParagraph();
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if ($in_paragraph) {
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// opening a paragraph inside another paragraph is illegal
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return;
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}
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$odt_bg = $properties ['background-color'];
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$picture = $properties ['background-image'];
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if ( !empty ($picture) ) {
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// If a picture/background-image is set, than we insert it manually here.
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// This is a workaround because ODT background-image works different than in CSS.
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// Define graphic style for picture
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$style_name = ODTStyle::getNewStylename('span_graphic');
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$image_style = '<style:style style:name="'.$style_name.'" style:family="graphic" style:parent-style-name="'.$params->document->getStyleName('graphics').'"><style:graphic-properties style:vertical-pos="middle" style:vertical-rel="text" style:horizontal-pos="from-left" style:horizontal-rel="paragraph" fo:background-color="'.$odt_bg.'" style:flow-with-text="true"></style:graphic-properties></style:style>';
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// Add style and image to our document
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// (as unknown style because style-family graphic is not supported)
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$style_obj = ODTUnknownStyle::importODTStyle($image_style);
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$params->document->addAutomaticStyle($style_obj);
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ODTImage::addImage ($params, $picture, NULL, NULL, NULL, NULL, $style_name);
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}
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// Create the style for the paragraph.
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//$disabled ['background-image'] = 1;
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//FIXME: pass $disabled
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$style_obj = ODTParagraphStyle::createParagraphStyle ($properties);
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$params->document->addAutomaticStyle($style_obj);
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$style_name = $style_obj->getProperty('style-name');
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// Open a paragraph
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self::paragraphOpen($params, $style_name);
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}
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}
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