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themes.php

Revision 1604, 17.5 kB (checked in by mdodoo, 2 years ago)
Sync with trunk up to (but not including changeset [1585]). I should definitely do this more often, because this was really annoying.
Property svn:eol-style set to `native`

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1	<?php
2	###############################################################################
3	# Gregarius - A PHP based RSS aggregator.
4	# Copyright (C) 2003 - 2006 Marco Bonetti
5	#
6	###############################################################################
7	# This program is free software and open source software; you can redistribute
8	# it and/or modify it under the terms of the GNU General Public License as
9	# published by the Free Software Foundation; either version 2 of the License,
10	# or (at your option) any later version.
11	#
12	# This program is distributed in the hope that it will be useful, but WITHOUT
13	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15	# more details.
16	#
17	# You should have received a copy of the GNU General Public License along
18	# with this program; if not, write to the Free Software Foundation, Inc.,
19	# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit
20	# http://www.gnu.org/licenses/gpl.html
21	#
22	###############################################################################
23	# E-mail: mbonetti at gmail dot com
24	# Web page: http://gregarius.net/
25	#
26	###############################################################################
27
28
29	function themes_admin() {
30	return CST_ADMIN_DOMAIN_THEMES;
31	}
32
33	function themes() {
34	$themes = getThemes();
35
36	if (isset($_GET['theme']) && array_key_exists($_GET['theme'],$themes)) {
37	$active_theme = sanitize($_GET['theme'], RSS_SANITIZER_SIMPLE_SQL \|RSS_SANITIZER_NO_SPACES);
38
39	$sql = "update " . getTable('config') . " set value_ = '$active_theme'"
40	." where key_='rss.output.theme'";
41	rss_query($sql);
42
43	rss_invalidate_cache();
44	} else {
45	$active_theme= getConfig('rss.output.theme');
46	}
47
48	echo "<form style=\"float:right\" method=\"post\" action=\"" .$_SERVER['PHP_SELF'] ."\">\n"
49	. "<p><input type=\"hidden\" name=\"".CST_ADMIN_DOMAIN."\" value=\"".CST_ADMIN_DOMAIN_THEMES."\" />\n"
50	."<input type=\"submit\" name=\"admin_themes_check_for_updates\" value=\"".__('Check for Updates')."\" /></p>\n"
51	. "</form>\n";
52	if (isset($_POST['admin_themes_check_for_updates'])) {
53	theme_getThemesUpdate($themes);
54	}
55
56	echo "<h2 class=\"trigger\">".__('Themes')."</h2>\n"
57	."<div id=\"admin_themes\" >\n";
58	echo __('<p style="font-size:small">Themes are made of a set of template files which specify how your Gregarius installation looks.<br />More themes can be downloaded from the <a style="text-decoration:underline" href="http://themes.gregarius.net/">Themes Repository</a>.</p>');
59
60
61	foreach ($themes as $entry => $theme) {
62
63	extract($theme);
64	if (!$name) {
65	$name = $entry;
66	}
67	if ($url) {
68	$author = "<a href=\"$url\">$author</a>";
69	}
70	$active = ($entry == $active_theme);
71	$updateAvailable = isset($theme['updateVersion']);
72	if ($screenshot) {
73	$screenshotURL = "<img src=\"". getPath() . RSS_THEME_DIR . "/$fsname/$screenshot\" />";
74	} else {
75	$screenshotURL = "<img src=\"". getPath() . RSS_THEME_DIR . "/default/media/noscreenshot.png\" />";
76	}
77	$h4="$name";
78	$h5="By $author \| Version: $version";
79	if ($updateAvailable) {
80	$h5 .= ' \| <a class="update" href="'.$theme['updateUrl'].'">Update to version ' .$theme['updateVersion'] .'</a>';
81	}
82
83	if ($htmltheme) {
84	$seturl = "index.php?view=themes&theme=$entry";
85	} else {
86	$seturl = "";
87	}
88	echo "<div class=\"themeframe".($active?" active":""). ($updateAvailable?" hilite":"")."\"><span>";
89	if (!$active && $htmltheme) {
90	echo "<a href=\"$seturl\" class=\"bookmarklet\">".__('Use this Theme')."</a>";
91	} elseif($active) {
92	echo "<p class=\"bookmarklet\">".__('Active Theme')."</p>";
93	}
94	echo "<h4>$h4</h4>\n";
95	if( file_exists( "../" . RSS_THEME_DIR . "/$fsname/config.php" ) )
96	echo "<a class=\"bookmarklet\" href=\"".$_SERVER['PHP_SELF']. "?".CST_ADMIN_DOMAIN."=".
97	CST_ADMIN_DOMAIN_THEME_OPTIONS
98	."&theme=".$entry
99	."&" .CST_ADMIN_VIEW ."=" .CST_ADMIN_DOMAIN_THEME_OPTIONS
100	."\">" . __('Configure') . "</a>";
101	echo "<h5>$h5</h5>\n"
102	."<p class=\"themescreenshot\">$screenshotURL</p>"
103	."<p>$description</p> "
104	."</span></div>\n";
105	}
106
107	echo "</div>\n";
108	}
109
110	function getThemes() {
111
112	$d = dir('../'. RSS_THEME_DIR);
113	$files = array();
114	$ret = array();
115	$activeIdx = "0";
116	while (false !== ($theme = $d->read())) {
117	if ($theme != "CVS" && !is_file("../".RSS_THEME_DIR."/$theme") && substr($theme,0,1) != ".") {
118	$ret[$theme]=getThemeInfo($theme);
119	}
120	}
121	$d->close();
122	return $ret;
123	}
124
125	function theme_options_admin() {
126	return CST_ADMIN_DOMAIN_THEME_OPTIONS;
127	}
128
129	function theme_options() {
130	if (!array_key_exists('theme',$_REQUEST) \|\|
131	array_key_exists('admin_theme_options_cancel_changes', $_REQUEST)) {
132	themes();
133	return;
134	}
135
136	$theme = $_REQUEST['theme'];
137	$theme_output = "";
138	if (preg_match('/([a-zA-Z0-9_\/\-]+)/',$theme,$matches)) {
139	$theme = $matches[1]; // sanitize input
140	$theme_info = getThemeInfo($theme);
141	extract($theme_info);
142	if( file_exists( "../" . RSS_THEME_DIR . "/$fsname/config.php" ) ) {
143	ob_start();
144	rss_theme_options_rendered_buttons( false );
145	rss_require( RSS_THEME_DIR . "/$fsname/config.php" );
146	$theme_output = ob_get_contents();
147	ob_end_clean();
148	rss_invalidate_cache();
149	}
150	if ($theme_output) { // Let us set up a form
151	echo "<h2
152	class=\"trigger\">".__('Theme Options')." ".TITLE_SEP." ". $name. "</h2>\n"
153	."<div id=\"admin_theme_options\">\n";
154	echo "<form method=\"post\" ";
155	if( rss_theme_options_form_class() !== null ) {
156	echo "class='" . rss_theme_options_form_class() . "' ";
157	}
158	echo "action=\"" .$_SERVER['PHP_SELF'] ."\">\n";
159	echo "<p><input type=\"hidden\" name=\"".CST_ADMIN_DOMAIN
160	."\" value=\"".CST_ADMIN_DOMAIN_THEME_OPTIONS."\" /></p>\n";
161	echo $theme_output;
162	echo "<p><input type=\"hidden\" name=\"theme\" value=\"".$theme."\"/>\n";
163	echo "<input type=\"hidden\" name=\"". CST_ADMIN_METAACTION
164	."\" value=\"ACT_ADMIN_SUBMIT_CHANGES\"/>\n";
165	if( isset( $_REQUEST['mediaparam'] ) ) //pass it along
166	{
167	$mediaparam = sanitize($_REQUEST['mediaparam'], RSS_SANITIZER_CHARACTERS);
168	echo( "<input type=\"hidden\" name=\"mediaparam\" value=\"$mediaparam\">\n" );
169	}
170	if( !rss_theme_options_rendered_buttons() )
171	{
172	echo "<input type=\"submit\" name=\"admin_theme_options_submit_changes\" value=\""
173	.__('Submit Changes')."\" />\n";
174	echo "<input type=\"submit\" name=\"admin_theme_options_cancel_changes\"
175	value=\"".__('Cancel')."\" />\n";
176	}
177	echo "</p></form>\n";
178	echo "</div>";
179	} else {
180	themes();
181	}
182	}
183	}
184
185	// we take the array that's input, and return an array as if it had been selected
186	// from the config table and dumped out using rss_fetch_assoc. This means the
187	// theme author does not have to pass anything more than key_ in his input array.
188	// If $key is not null we query and return only that item, otherwise we fill
189	// an array to match the entire input array
190	function theme_options_fill_override_array($theme, $media, $array_input, $key=null) {
191	$ret = array();
192	if( !is_array( $array_input ) ) {
193	$array_input = split( ",", $array_input );
194	}
195
196	foreach( $array_input as $inp ) {
197	if( !is_array( $inp ) && isset( $inp ) ) {
198	$inp = array( 'key_' => $inp );
199	}
200
201	if( isset( $inp['key_'] ) ) {
202	$thisret = array();
203	if( $key === null \|\| $key === $inp['key_'] ) {
204	$thisret = $inp;
205	if($inp['key_'] == 'rss.output.theme.scheme') {
206	$schemes = loadSchemeList( true, $theme, $media );
207	if( !isset( $inp['default_'] ) )
208	$thisret['default_'] = implode(',', $schemes ) . ",0";
209	$thisret['type_'] = 'enum';
210	if( !isset( $inp['desc_'] ) )
211	$thisret['desc_'] = 'The color scheme to use.';
212	if( !isset( $inp['export_'] ) )
213	$thisret['export_'] = '';
214
215	$value = rss_theme_config_override_option($thisret['key_'], $thisret['default_'], $theme, $media);
216	$value = array_pop( explode( ',', $value ) );
217	$thisret['value_'] = implode(',', $schemes ) . "," . $value;
218
219	} else {
220	$sql = "select * from " .getTable("config") ." where key_ like
221	'" . $inp['key_'] . "'";
222	$res = rss_query($sql);
223	if ($row = rss_fetch_assoc($res)) {
224	foreach( $row as $rowkey => $rowval ) {
225	if( $rowkey !== 'value_' ) {
226	if( !isset( $inp[$rowkey] ) ) {
227	$thisret[$rowkey] = $rowval;
228	} else {
229	$thisret[$rowkey] = $inp[$rowkey];
230	}
231	}
232	}
233	}
234
235	$thisret['value_'] = rss_theme_config_override_option($thisret['key_'], $thisret['default_'], $theme, $media);
236	}
237
238	if( $key === null )
239	$ret[] = $thisret;
240	else
241	$ret = $thisret;
242	}
243	} else {
244	rss_error('rss_theme_options_configure_overrides was passed an item with no key_', RSS_ERROR_ERROR,true);
245	}
246	}
247
248	return $ret;
249	}
250
251	// Display a configuration form similar to the form in the admin->config section
252	// except we will get the theme's overrides via rss_themes_get_option. You will
253	// need to pass in the theme, the media (optional - pass null for no media) and
254	// an array.
255	// The array is where it gets complex. Each member of the array can be a string
256	// representing the key of a configuration item, or it can be an array that specifies
257	// the various properties of the configuration item. These properties are the
258	// same as the fields in the config table (key_, default_, descr_) and any that
259	// are missing will be loaded from that table. The keys of the configuration
260	// items may match an entry in the config table, or you can create a custom one.
261	// In the later case, you must use the second form of the $config_items array
262	// and you must pass all the fields that this function uses (key_, default_, type_
263	// and desc_) Note that there is no point to passing value_ as this is loaded
264	// via a call to rss_themes_get_option.
265	function rss_theme_options_configure_overrides($theme, $media, $config_items) {
266	$action = null;
267
268	if (isset($_REQUEST[CST_ADMIN_METAACTION])) {
269	$action = $_REQUEST[CST_ADMIN_METAACTION];
270	} else if (isset($_REQUEST['action'])) {
271	$action = $_REQUEST['action'];
272	}
273
274	if( isset( $_REQUEST['mediaparam'] ) && $media === sanitize($_REQUEST['mediaparam'], RSS_SANITIZER_CHARACTERS) ) {
275	if (array_key_exists(CST_ADMIN_CONFIRMED,$_POST) && $_POST[CST_ADMIN_CONFIRMED] == __('Yes')) {
276	if (!array_key_exists('key',$_REQUEST)) {
277	rss_error('Invalid config key specified.', RSS_ERROR_ERROR,true);
278	} else {
279	$key = sanitize($_REQUEST['key'],RSS_SANITIZER_NO_SPACES\|RSS_SANITIZER_SIMPLE_SQL);
280	rss_theme_delete_config_override_option($key,$theme,$media);
281	}
282	$action = null; //redirect to our theme's admin page
283	} else if( rss_theme_options_is_submit() ) {
284	switch ($action) {
285	case __('Submit Changes'):
286	case 'ACT_ADMIN_SUBMIT_CHANGES':
287	if (!array_key_exists('key',$_REQUEST)) {
288	rss_error('Invalid config key specified.', RSS_ERROR_ERROR,true);
289	break;
290	}
291	if (!array_key_exists('type',$_REQUEST)) {
292	rss_error('Invalid config type specified.', RSS_ERROR_ERROR,true);
293	break;
294	}
295	if (!array_key_exists('value',$_REQUEST)) {
296	rss_error('Invalid config value specified.', RSS_ERROR_ERROR,true);
297	break;
298	}
299
300	$key = sanitize($_REQUEST['key'],RSS_SANITIZER_NO_SPACES\|RSS_SANITIZER_SIMPLE_SQL);
301	$type = sanitize($_POST['type'],RSS_SANITIZER_CHARACTERS);
302	$value = sanitize($_POST['value'], RSS_SANITIZER_SIMPLE_SQL);
303
304	if( $type == 'enum' ) {
305	$item = theme_options_fill_override_array($theme,$media,$config_items,$key);
306	if( count( $item ) ) {
307	$arr = explode(',',$item['default_']);
308	$idx = array_pop($arr);
309	$newkey = -1;
310	foreach ($arr as $i => $val) {
311	if ($val == $value) {
312	$newkey = $i;
313	}
314	}
315	reset($arr);
316	if ($newkey > -1) {
317	array_push($arr, $newkey);
318	rss_theme_set_config_override_option($key, implode(',',$arr), $theme, $media);
319	} else {
320	rss_error("Oops, invalid value '$value' for this config key", RSS_ERROR_ERROR,true);
321	}
322	}
323	} else {
324	rss_theme_set_config_override_option($key, $value, $theme, $media);
325	}
326
327	break;
328
329	default:
330	rss_error('Invalid config action specified.', RSS_ERROR_ERROR,true);
331	break;
332	}
333	$action = null; //redirect to our theme's admin page
334	}
335	}
336
337	switch ($action) {
338	case CST_ADMIN_DEFAULT_ACTION:
339	case 'CST_ADMIN_DEFAULT_ACTION':
340	if( isset( $_REQUEST['mediaparam'] ) && $media === sanitize($_REQUEST['mediaparam'], RSS_SANITIZER_CHARACTERS) ) {
341	if (!array_key_exists('key',$_REQUEST)) {
342	rss_error('Invalid config key specified.', RSS_ERROR_ERROR,true);
343	break;
344	}
345	$key = sanitize($_REQUEST['key'],RSS_SANITIZER_NO_SPACES\|RSS_SANITIZER_SIMPLE_SQL);
346	$item = theme_options_fill_override_array($theme,$media,$config_items,$key);
347	if( count( $item ) ) {
348	extract( $item );
349	config_default_form($key_, $type_, $default_, CST_ADMIN_DOMAIN_THEME_OPTIONS);
350	rss_theme_options_form_class('box');
351	rss_theme_options_rendered_buttons(true);
352	}
353	}
354	break;
355
356	case CST_ADMIN_EDIT_ACTION:
357	case 'CST_ADMIN_EDIT_ACTION':
358	if( isset( $_REQUEST['mediaparam'] ) && $media === sanitize($_REQUEST['mediaparam'], RSS_SANITIZER_CHARACTERS) ) {
359	if (!array_key_exists('key',$_REQUEST)) {
360	rss_error('Invalid config key specified.', RSS_ERROR_ERROR,true);
361	break;
362	}
363	$key = sanitize($_REQUEST['key'],RSS_SANITIZER_NO_SPACES\|RSS_SANITIZER_SIMPLE_SQL);
364	$item = theme_options_fill_override_array($theme,$media,$config_items,$key);
365	if( count( $item ) ) {
366	extract( $item );
367	$dummy = null;
368	config_edit_form($key_,$value_,$default_,$type_,$desc_,$export_,$dummy);
369	}
370	}
371	break;
372
373	default:
374	$caption = "Configuration overrides";
375	if( isset( $media ) ) {
376	$caption .= " for $media media";
377	}
378	config_table_header($caption);
379
380	$cntr = 0;
381	$items = theme_options_fill_override_array($theme,$media,$config_items);
382	foreach( $items as $item ) {
383	config_table_row( $item, (($cntr++ % 2 == 0)?"even":"odd"), CST_ADMIN_DOMAIN_THEME_OPTIONS, "&theme=$theme&mediaparam=$media" );
384	}
385
386	config_table_footer();
387
388	//no buttons here
389	rss_theme_options_rendered_buttons(true);
390
391	break;
392	}
393	}
394
395	function rss_theme_options_rendered_buttons($value=null) {
396	static $__rss_theme_options_rendered_buttons;
397	if( $value !== null )
398	$__rss_theme_options_rendered_buttons = $value;
399	return $__rss_theme_options_rendered_buttons;
400	}
401
402	function rss_theme_options_form_class($value=null) {
403	static $__rss_theme_options_form_class;
404	if( $value !== null )
405	$__rss_theme_options_form_class = $value;
406	return $__rss_theme_options_form_class;
407	}
408
409
410	function rss_theme_options_is_submit() {
411	return array_key_exists("admin_theme_options_submit_changes", $_REQUEST);
412	}
413
414	function theme_getThemesUpdate(&$themes) {
415	$themesxml = array();
416	global $themesxml;
417	$xml = getUrl('http://themes.gregarius.net/api.php');
418	$xml = str_replace("\r", '', $xml);
419	$xml = str_replace("\n", '', $xml);
420
421	$xp = xml_parser_create() or rss_error("couldn't create parser");
422
423	xml_set_element_handler($xp, 'themes_xml_startElement', 'themes_xml_endElement')
424	or rss_error("couldnt set XML handlers");
425
426	xml_parse($xp, $xml, true) or rss_error("failed parsing xml");
427	xml_parser_free($xp) or rss_error("failed freeing the parser");
428	if (is_array($themesxml)) {
429	foreach($themesxml as $theme => $data) {
430	list($tversion,$turl) = $data;
431	if (isset($themes[$theme]) && $themes[$theme]['version'] < $tversion) {
432	$themes[$theme]['updateVersion'] = $tversion;
433	$themes[$theme]['updateUrl'] = $turl;
434	}
435	}
436	}
437	}
438
439	function themes_xml_startElement($xp, $element, $attr) {
440	global $themesxml;
441
442	if ($element == 'THEME' &&
443	array_key_exists('PID',$attr) &&
444	array_key_exists('URL',$attr) &&
445	array_key_exists('VERSION',$attr)) {
446
447	$themesxml[$attr['PID']] = array($attr['VERSION'],$attr['URL']);
448	}
449	}
450
451	function themes_xml_endElement($xp, $element) {
452	///global $pluginsxml;
453	return;
454	}
455
456	?>

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