class-wpfront-scroll-top.php — WPFront Scroll Top 1.5

wpfront-scroll-top / classes / class-wpfront-scroll-top.php

wpfront-scroll-top / classes Last commit date

base 9 years ago class-wpfront-scroll-top-options.php 9 years ago class-wpfront-scroll-top.php 9 years ago

class-wpfront-scroll-top.php

289 lines

1	<?php
2
3	/*
4	WPFront Scroll Top Plugin
5	Copyright (C) 2013, WPFront.com
6	Website: wpfront.com
7	Contact: syam@wpfront.com
8
9	WPFront Scroll Top Plugin is distributed under the GNU General Public License, Version 3,
10	June 2007. Copyright (C) 2007 Free Software Foundation, Inc., 51 Franklin
11	St, Fifth Floor, Boston, MA 02110, USA
12
13	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
14	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16	DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
17	ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20	ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22	SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23	*/
24
25	require_once("base/class-wpfront-base.php");
26	require_once("class-wpfront-scroll-top-options.php");
27
28	if (!class_exists('WPFront_Scroll_Top')) {
29
30	/**
31	* Main class of WPFront Scroll Top plugin
32	*
33	* @author Syam Mohan <syam@wpfront.com>
34	* @copyright 2013 WPFront.com
35	*/
36	class WPFront_Scroll_Top extends WPFront_Base {
37
38	//Constants
39	const VERSION = '1.5';
40	const OPTIONS_GROUP_NAME = 'wpfront-scroll-top-options-group';
41	const OPTION_NAME = 'wpfront-scroll-top-options';
42	const PLUGIN_SLUG = 'wpfront-scroll-top';
43
44	//Variables
45	protected $iconsDIR;
46	protected $iconsURL;
47	protected $options;
48	protected $markupLoaded;
49	protected $scriptLoaded;
50	protected $min_file_suffix;
51
52	function __construct() {
53	parent::__construct(__FILE__, self::PLUGIN_SLUG);
54
55	$this->markupLoaded = FALSE;
56	$this->min_file_suffix = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '.min';
57
58	//Root variables
59	$this->iconsDIR = $this->pluginDIRRoot . 'images/icons/';
60	$this->iconsURL = $this->pluginURLRoot . 'images/icons/';
61
62	add_action('wp_footer', array(&$this, 'write_markup'));
63	add_action('shutdown', array(&$this, 'shutdown_callback'));
64
65	$this->add_menu($this->__('WPFront Scroll Top'), $this->__('Scroll Top'));
66	}
67
68	//add scripts
69	public function enqueue_scripts() {
70	if ($this->enabled() == FALSE)
71	return;
72
73	$jsRoot = $this->pluginURLRoot . 'js/';
74
75	wp_enqueue_script('jquery');
76	wp_enqueue_script('wpfront-scroll-top', $jsRoot . 'wpfront-scroll-top' . $this->min_file_suffix . '.js', array('jquery'), self::VERSION);
77
78	$this->scriptLoaded = TRUE;
79	}
80
81	//add styles
82	public function enqueue_styles() {
83	if ($this->enabled() == FALSE)
84	return;
85
86	$cssRoot = $this->pluginURLRoot . 'css/';
87
88	wp_enqueue_style('wpfront-scroll-top', $cssRoot . 'wpfront-scroll-top' . $this->min_file_suffix . '.css', array(), self::VERSION);
89	}
90
91	public function admin_init() {
92	register_setting(self::OPTIONS_GROUP_NAME, self::OPTION_NAME);
93
94	$this->enqueue_styles();
95	$this->enqueue_scripts();
96	}
97
98	public function enqueue_options_scripts() {
99	$this->enqueue_scripts();
100
101	$jsRoot = $this->pluginURLRoot . 'jquery-plugins/colorpicker/js/';
102	wp_enqueue_script('jquery.eyecon.colorpicker', $jsRoot . 'colorpicker' . $this->min_file_suffix . '.js', array('jquery'), self::VERSION);
103	}
104
105	//options page styles
106	public function enqueue_options_styles() {
107	$styleRoot = $this->pluginURLRoot . 'jquery-plugins/colorpicker/css/';
108	wp_enqueue_style('jquery.eyecon.colorpicker.colorpicker', $styleRoot . 'colorpicker' . $this->min_file_suffix . '.css', array(), self::VERSION);
109
110	$styleRoot = $this->pluginURLRoot . 'css/';
111	wp_enqueue_style('wpfront-scroll-top-options', $styleRoot . 'options' . $this->min_file_suffix . '.css', array(), self::VERSION);
112	}
113
114	public function plugins_loaded() {
115	//load plugin options
116	$this->options = new WPFront_Scroll_Top_Options(self::OPTION_NAME, self::PLUGIN_SLUG);
117
118	if($this->options->javascript_async())
119	add_filter('script_loader_tag', array($this, 'script_loader_tag'), 999999, 3);
120	}
121
122	public function script_loader_tag($tag, $handle, $src) {
123	if($handle === 'wpfront-scroll-top')
124	return '<script type="text/javascript" src="' . $src . '" async="true"></script>' . "\n";
125
126	return $tag;
127	}
128
129	public function shutdown_callback() {
130	if ($this->markupLoaded) {
131	return;
132	}
133
134	$headers = headers_list();
135	$flag = FALSE;
136	foreach ($headers as $value) {
137	$value = strtolower(str_replace(' ', '', $value));
138	if (strpos($value, 'content-type:text/html') === 0) {
139	$flag = TRUE;
140	break;
141	}
142	}
143
144	if ($flag)
145	$this->write_markup();
146	}
147
148	//writes the html and script for the button
149	public function write_markup() {
150	if ($this->markupLoaded) {
151	return;
152	}
153
154	if ($this->scriptLoaded != TRUE) {
155	return;
156	}
157
158	if (WPFront_Static_ST::doing_ajax()) {
159	return;
160	}
161
162	if ($this->enabled()) {
163	include($this->pluginDIRRoot . 'templates/scroll-top-template.php');
164
165	echo '<script type="text/javascript">';
166	echo 'function wpfront_scroll_top_init() {';
167	echo 'if(typeof wpfront_scroll_top == "function" && typeof jQuery !== "undefined") {';
168	echo 'wpfront_scroll_top(' . json_encode(array(
169	'scroll_offset' => $this->options->scroll_offset(),
170	'button_width' => $this->options->button_width(),
171	'button_height' => $this->options->button_height(),
172	'button_opacity' => $this->options->button_opacity() / 100,
173	'button_fade_duration' => $this->options->button_fade_duration(),
174	'scroll_duration' => $this->options->scroll_duration(),
175	'location' => $this->options->location(),
176	'marginX' => $this->options->marginX(),
177	'marginY' => $this->options->marginY(),
178	'hide_iframe' => $this->options->hide_iframe(),
179	'auto_hide' => $this->options->auto_hide(),
180	'auto_hide_after' => $this->options->auto_hide_after(),
181	)) . ');';
182	echo '} else {';
183	echo 'setTimeout(wpfront_scroll_top_init, 100);';
184	echo '}';
185	echo '}';
186	echo 'wpfront_scroll_top_init();';
187	echo '</script>';
188	}
189
190	$this->markupLoaded = TRUE;
191	}
192
193	private function enabled() {
194	if (!$this->options->enabled())
195	return FALSE;
196
197	if ($this->options->hide_wpadmin() && is_admin())
198	return FALSE;
199
200	if (!$this->filter_pages())
201	return FALSE;
202
203	return TRUE;
204	}
205
206	private function filter_pages() {
207	if (is_admin())
208	return TRUE;
209
210	switch ($this->options->display_pages()) {
211	case 1:
212	return TRUE;
213	case 2:
214	case 3:
215	global $post;
216	$ID = FALSE;
217	$type = FALSE;
218	if (is_home()) {
219	$ID = 'home';
220	$type = 1;
221	} elseif (is_singular()) {
222	$post_type = get_post_type();
223	if ($post_type == 'page') {
224	$ID = $post->ID;
225	$type = 1;
226	} elseif ($post_type == 'post') {
227	$ID = $post->ID;
228	$type = 2;
229	}
230	}
231	if ($this->options->display_pages() == 2) {
232	if ($ID !== FALSE && $type !== FALSE) {
233	if ($this->filter_pages_contains($this->options->include_pages(), $type . '.' . $ID) === FALSE)
234	return FALSE;
235	else
236	return TRUE;
237	}
238	return FALSE;
239	}
240	if ($this->options->display_pages() == 3) {
241	if ($ID !== FALSE && $type !== FALSE) {
242	if ($this->filter_pages_contains($this->options->exclude_pages(), $type . '.' . $ID) === FALSE)
243	return TRUE;
244	else
245	return FALSE;
246	}
247	return TRUE;
248	}
249	}
250
251	return TRUE;
252	}
253
254	public function filter_pages_contains($list, $key) {
255	return strpos(',' . $list . ',', ',' . $key . ',');
256	}
257
258	private function image() {
259	if ($this->options->image() == 'custom')
260	return $this->options->custom_url();
261	return $this->iconsURL . $this->options->image();
262	}
263
264	protected function get_filter_objects() {
265	$objects = array();
266
267	$objects['1.home'] = $this->__('[Page]') . ' ' . $this->__('Home');
268
269	$pages = get_pages();
270	foreach ($pages as $page) {
271	$objects['1.' . $page->ID] = $this->__('[Page]') . ' ' . $page->post_title;
272	}
273
274	$posts = get_posts();
275	foreach ($posts as $post) {
276	$objects['2.' . $post->ID] = $this->__('[Post]') . ' ' . $post->post_title;
277	}
278
279	// $categories = get_categories();
280	// foreach ($categories as $category) {
281	// $objects['3.' . $category->cat_ID] = $this->__('[Category]') . ' ' . $category->cat_name;
282	// }
283
284	return $objects;
285	}
286
287	}
288
289	}