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Diffstat (limited to 'includes/classes/HtmlCreator.php')
| -rwxr-xr-x | includes/classes/HtmlCreator.php | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/includes/classes/HtmlCreator.php b/includes/classes/HtmlCreator.php new file mode 100755 index 0000000..c056a30 --- /dev/null +++ b/includes/classes/HtmlCreator.php @@ -0,0 +1,146 @@ +<?php +namespace Bitweaver\Rss; + +/** + * @package rss + * HtmlCreator is a FeedCreator that writes an HTML feed file to a specific + * location, overriding the createFeed method of the parent FeedCreator. + * The HTML produced can be included over http by scripting languages, or serve + * as the source for an IFrame. + * All output by this class is embedded in <div></div> tags to enable formatting + * using CSS. + * + * @author Pascal Van Hecke + * @since 1.7 + */ +class HtmlCreator extends FeedCreator { + + public $contentType = "text/html"; + + /** + * Contains HTML to be output at the start of the feed's html representation. + */ + public $header; + + /** + * Contains HTML to be output at the end of the feed's html representation. + */ + public $footer; + + /** + * Contains HTML to be output between entries. A separator is only used in + * case of multiple entries. + */ + public $separator; + + /** + * Used to prefix the stylenames to make sure they are unique + * and do not clash with stylenames on the users' page. + */ + public $stylePrefix; + + /** + * Determines whether the links open in a new window or not. + */ + public $openInNewWindow = true; + + public $imageAlign = "right"; + + /** + * In case of very simple output you may want to get rid of the style tags, + * hence this variable. There's no equivalent on item level, but of course you can + * add strings to it while iterating over the items ($this->stylelessOutput .= ...) + * and when it is non-empty, ONLY the styleless output is printed, the rest is ignored + * in the function createFeed(). + */ + public $stylelessOutput = ""; + + /** + * Writes the HTML. + * @return string the scripts's complete text + */ + public function createFeed() { + // if there is styleless output, use the content of this variable and ignore the rest + if ($this->stylelessOutput != "") { + return $this->stylelessOutput; + } + + //if no stylePrefix is set, generate it yourself depending on the script name + if ($this->stylePrefix == "") { + $this->stylePrefix = str_replace( ".", "_", $this->_generateFilename() ) . "_"; + } + + //set an openInNewWindow_token_to be inserted or not + if ($this->openInNewWindow) { + $targetInsert = " target='_blank'"; + } + + // use this array to put the lines in and implode later with "document.write" javascript + $feedArray = []; + if ($this->image != null) { + $imageStr = "<a href='" . $this->image->link . "'" . $targetInsert . ">" . + "<img src='" . $this->image->url . "' border='0' alt='" . + FeedCreator::iTrunc( htmlspecialchars( $this->image->title ), 100 ) . + "' align='" . $this->imageAlign . "' "; + if ($this->image->width) { + $imageStr .= " width='" . $this->image->width . "' "; + } + if ($this->image->height) { + $imageStr .= " height='" . $this->image->height . "' "; + } + $imageStr .= "/></a>"; + $feedArray[] = $imageStr; + } + + if ($this->title) { + $feedArray[] = "<div class='" . $this->stylePrefix . "title'><a href='" . $this->link . "' " . $targetInsert . " class='" . $this->stylePrefix . "title'>" . + FeedCreator::iTrunc( htmlspecialchars( $this->title ), 100 ) . "</a></div>"; + } + if ($this->getDescription()) { + $feedArray[] = "<div class='" . $this->stylePrefix . "description'>" . + str_replace( "]]>", "", str_replace( "<![CDATA[", "", $this->getDescription() ) ) . + "</div>"; + } + + if ($this->header) { + $feedArray[] = "<div class='" . $this->stylePrefix . "header'>" . $this->header . "</div>"; + } + + for ( $i = 0; $i < count( $this->items ); $i++ ) { + if ($this->separator and $i > 0) { + $feedArray[] = "<div class='" . $this->stylePrefix . "separator'>" . $this->separator . "</div>"; + } + + if ($this->items[$i]->title) { + $feedArray[] = ( $this->items[$i]->link ) ? "<div class='" . $this->stylePrefix . "item_title'><a href='" . $this->items[$i]->link . "' class='" . $this->stylePrefix . + "item_title'" . $targetInsert . ">" . FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) . + "</a></div>" : "<div class='" . $this->stylePrefix . "item_title'>" . + FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) . + "</div>"; + } + if ($this->items[$i]->getDescription()) { + $feedArray[] = + "<div class='".$this->stylePrefix."item_description'>". + str_replace("]]>", "", str_replace("<![CDATA[", "", $this->items[$i]->getDescription())). + "</div>"; + } + } + if ($this->footer) { + $feedArray[] = "<div class='".$this->stylePrefix."footer'>".$this->footer."</div>"; + } + + $feed= "".join($feedArray, "\r\n"); + return $feed; + } + + /** + * Overrrides parent to produce .html extensions + * + * @return string the feed cache filename + * @since 1.4 + */ + public function _generateFilename() { + $fileInfo = pathinfo($_SERVER["PHP_SELF"]); + return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".html"; + } +}
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