Peter M. Groen / knowledgetree

Commit fc4d488bbea9dfcc71c1fd4088b02d97c575be40

Authored by Prince Mbekwa 2010-01-12 13:11:39 +0200

Added new printer class that will be used for all printing of pages

Committed By: Prince Mbekwa

Inline Side-by-side

Showing 1 changed file with 155 additions and 0 deletions

lib/util/printer.inc.php 0 → 100644

View file @fc4d488

	1	+<?php
	2	+/**
	3	+ * $Id$
	4	+ *
	5	+ * Small non-domain-specific utility functions
	6	+ *
	7	+ * KnowledgeTree Community Edition
	8	+ * Document Management Made Simple
	9	+ * Copyright (C) 2008, 2009 KnowledgeTree Inc.
	10	+ *
	11	+ *
	12	+ * This program is free software; you can redistribute it and/or modify it under
	13	+ * the terms of the GNU General Public License version 3 as published by the
	14	+ * Free Software Foundation.
	15	+ *
	16	+ * This program is distributed in the hope that it will be useful, but WITHOUT
	17	+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	18	+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
	19	+ * details.
	20	+ *
	21	+ * You should have received a copy of the GNU General Public License
	22	+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
	23	+ *
	24	+ * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
	25	+ * California 94120-7775, or email info@knowledgetree.com.
	26	+ *
	27	+ * The interactive user interfaces in modified source and object code versions
	28	+ * of this program must display Appropriate Legal Notices, as required under
	29	+ * Section 5 of the GNU General Public License version 3.
	30	+ *
	31	+ * In accordance with Section 7(b) of the GNU General Public License version 3,
	32	+ * these Appropriate Legal Notices must retain the display of the "Powered by
	33	+ * KnowledgeTree" logo and retain the original copyright notice. If the display of the
	34	+ * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
	35	+ * must display the words "Powered by KnowledgeTree" and retain the original
	36	+ * copyright notice.
	37	+ * Contributor( s): ______________________________________
	38	+ */
	39	+
	40	+/**
	41	+ * Class that creates printer friendly version of any referer page
	42	+ * Prints any content, and has ability to attach css styles to the printing context
	43	+ **/
	44	+class printer {
	45	+ /**
	46	+ * This is the context of the document to be printed
	47	+ *
	48	+ * @var string $_context
	49	+ */
	50	+ var $_context = 0;
	51	+
	52	+ /**
	53	+ * Prep string for line endings
	54	+ *
	55	+ * @param string $str
	56	+ * @return string
	57	+ */
	58	+
	59	+ private function _prepareString($str)
	60	+ {
	61	+ $str = str_replace("\r", '', $str);
	62	+ $str = str_replace("\n", '\n', $str);
	63	+ $str = str_replace("\047", "\\'", $str);
	64	+ $str = str_replace('"', '\"', $str);
	65	+ return $str;
	66	+ }
	67	+ /**
	68	+ * Referer type function call to get the body
	69	+ * of a document to be printed
	70	+ *
	71	+ * @param file $fname
	72	+ * @return string
	73	+ */
	74	+
	75	+ function readBody($fname)
	76	+ {
	77	+ $html = '';
	78	+ ob_start();
	79	+ if (@readfile($fname))$html = ob_get_contents();
	80	+
	81	+ ob_end_clean();
	82	+ if (preg_match('#<body[^>]*>(.+?)</body>#is', $html, $matches)) {
	83	+ $html = $matches[1];
	84	+ }
	85	+ return $html;
	86	+ }
	87	+
	88	+ /**
	89	+ * Main context for printing. Consits of the Css for layout
	90	+ * and javascript for the print window
	91	+ *
	92	+ * @param string $printHtml
	93	+ * @param string $stylesheet
	94	+ * @return string context
	95	+ */
	96	+
	97	+ function addPrintContext($printHtml, $stylesheet = array())
	98	+ {
	99	+ $this->_context += 1;
	100	+ $printHtml = $this->_prepareString($printHtml);
	101	+ echo '<!-- PRINTING CONTEXT ' . $this->_context . ' -->' . "\n";
	102	+ echo '<style type="text/css">' . "\n";
	103	+ echo '@media print {' . "\n";
	104	+ echo ' #KTScreenOut' . $this->_context . ' { display: none; }' . "\n";
	105	+ echo ' #print_ico { display: none; }' . "\n";
	106	+ echo ' head title { display: none; }' . "\n";
	107	+ foreach ($stylesheet as $k => $v) {
	108	+ echo ' ' . $k . ' { ' . $v . '}' . "\n";
	109	+ }
	110	+ echo '}' . "\n";
	111	+ echo '@media screen {' . "\n";
	112	+ echo ' #KTPrintOut' . $this->_context . ' { display: none; }' . "\n";
	113	+ echo '}' . "\n";
	114	+ echo '</style>' . "\n";
	115	+ echo '<script type="text/javascript" language="JavaScript">' . "\n";
	116	+ echo 'function KT_GoPrint_' . $this->_context . '()' . "\n";
	117	+ echo '{' . "\n";
	118	+ echo ' document.body.innerHTML = \'<div id="KTScreenOut' . $this->_context . '">\' + document.body.innerHTML + \'<\/div>\';' . "\n";
	119	+ echo ' document.body.innerHTML += \'<div id="KTPrintOut' . $this->_context . '">' . $printHtml . '<\/div>\';' . "\n";
	120	+ echo ' window.print();' . "\n";
	121	+ echo '}' . "\n";
	122	+ echo '</script>' . "\n";
	123	+ echo '<!-- END OF PRINTING CONTEXT ' . $this->_context . ' -->' . "\n";
	124	+ return $this->_context;
	125	+ }
	126	+ /**
	127	+ * Add show print link on page
	128	+ *
	129	+ * @param string $context
	130	+ * @param string $linkText
	131	+ * @param string $attributes
	132	+ */
	133	+
	134	+ function showPrintLink($context, $linkText, $attributes = '')
	135	+ {
	136	+ $hostPath = KTUtil::kt_url() . '/resources/graphics/printer.gif';
	137	+
	138	+ echo '<a href="javascript:KT_GoPrint_' . $context . '()"' . (!empty($attributes) ? ' ' . $attributes : '') . '>
	139	+ <img src="'.$hostPath.'"align="left" title="'.$linkText.'" border="0" id="print_ico"/></a>';
	140	+ }
	141	+ /**
	142	+ * Add show print button
	143	+ *
	144	+ * @param string $context
	145	+ * @param string $buttonText
	146	+ * @param string $attributes
	147	+ */
	148	+
	149	+ function showPrintButton($context, $buttonText, $attributes = '')
	150	+ {
	151	+ echo '<input type="button" value="' . $buttonText . '"' . (!empty($attributes) ? ' ' . $attributes : '') . ' onclick="KT_GoPrint_' . $context . '()" />';
	152	+ }
	153	+
	154	+}
	155	+?>
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