themes/sky/theme-settings.php

<?php
// $Id$

/**
 * @file
 * Handles the custom theme settings
 */

/**
 * Implementation of _settings() theme function.
 *
 * PHP Template users: Do NOT put this function in your
 * template.php file; it won't work.
 *
 * @return array
 */

function sky_settings($saved_settings) {
  // Set the default values for the theme variables
  $defaults = array(
    'sky_background' => NULL,
    'sky_background_header' => NULL,
    'sky_breadcrumbs' => 0,
    'sky_breadcrumbs_sep' => '&raquo;',
    'sky_links' => NULL,
    'sky_links_active' => NULL,
    'sky_links_hover' => NULL,
    'sky_links_visited' => NULL,
    'sky_font' => 'lucida',
    'sky_font_headings' => 'lucida',
    'sky_font_size' => '12px',
    'sky_header_height' => 'auto',
    'sky_layout' => 'fixed_960',
    'sky_custom_layout' => NULL,
    'sky_nav_alignment' => 'center',
    'sky_sub_navigation_size' => '15em',
  );

  // Merge the variables and their default values
  $settings = array_merge($defaults, $saved_settings);

  // Breadcrumb Settings
  $form['sky_breadcrumbs'] = array(
    '#type' => 'checkbox',
    '#title' => t('Disable Breadcrumbs'),
    '#default_value' =>  $settings['sky_breadcrumbs'],
  );

  // Breadcrumb Separator
  $breadcrumbs_status = $settings['sky_breadcrumbs_sep'] ? TRUE : FALSE;
  $breadcrumbs_desc =  $breadcrumbs_status ? t('Select a breadcrumb separator.') : t('Breadcrumbs must be enabled to use this feature.');

  $form['sky_breadcrumbs_sep'] = array(
    '#type' => 'select',
    '#title' => t('Breadcrumb Separator'),
    '#default_value' =>  $settings['sky_breadcrumbs_sep'],
    '#options' => array(
      '&raquo;' => '»',
      '&rsaquo;' => '›',
      '&rarr;' => '→',
      '/' => t('/'),
    ),
    '#description' => $breadcrumbs_desc,
    '#disabled' => $breadcrumbs_status,
  );

  // Layout Options
  $form['layout'] = array(
    '#type' => 'fieldset',
    '#title' => 'Layout Options',
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  // Layout Type
  $form['layout']['sky_layout'] = array(
    '#type' => 'select',
    '#title' => t('Layout Type'),
    '#default_value' => $settings['sky_layout'],
    '#options' => array(
      'fixed_960' => t('Fixed - 960px'),
      'fluid_98' => t('Fluid - 98%'),
      'fluid' => t('Fluid - 100%'),
    ),
    '#description' => t('This will determine the width of your site layout. Fixed layouts are center aligned.
      <ul class="tips">
        <li><strong>Fixed - 960px:</strong> A standard size for targeting: 1024 x 768 resolution.</li>
        <li><strong>Fluid - 98%:</strong> Will automatically size to fit the 98% the screen width, leaving room for the background image.</li>
        <li><strong>Fluid - 100%:</strong> Will automatically size to fit the 100% the screen width.</li>
    </ul>'),
  );

  $form['layout']['sky_custom_layout'] = array(
    '#type' => 'textfield',
    '#title' => t('Custom Layout Width'),
    '#default_value' => $settings['sky_custom_layout'],
    '#size' => 8,
    '#description' => t('Set your own layout width.  Be sure to specify units (px, em, %, etc). NOTE: If any value is set here, it will override the above layout options.'),
  );

  // Alignment of Navigation
  $form['layout']['sky_nav_alignment'] = array(
    '#type' => 'select',
    '#title' => t('Header Navigation Alignment'),
    '#default_value' =>  $settings['sky_nav_alignment'],
    '#options' => array(
      'left' => t('Left'),
      'right' => t('Right'),
      'center' => t('Center'),
    ),
    '#description' => t('The alignment of the header navigation bar.'),
  );

  // Width of Dropdown menus
  $form['layout']['sky_sub_navigation_size'] = array(
    '#type' => 'select',
    '#title' => t('Dropdown Menus Second Level Menu Width'),
    '#default_value' => $settings['sky_sub_navigation_size'],
    '#options' => sky_size_range(10, 30, 'em', 15),
    '#description' => t('The drop-down menus need a width. IF you find your menu items need to be adjusted smaller or larger, you can tweak the settings here.'),
  );

  // Adjust the height of the header, commonly requested in the issue queue.
  $form['layout']['sky_header_height'] = array(
    '#type' => 'textfield',
    '#title' => t('Height of Header (default is "95px")'),
    '#default_value' => $settings['sky_header_height'],
    '#description' => t('To tweak the height of the header, please enter the height in pixels or ems, ie. 100px, 5em'),
  );

  // Colors
  $form['colors'] = array(
    '#type' => 'fieldset',
    '#title' => 'Color Options',
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  // Body Background Color
  $form['colors']['sky_background'] = array(
    '#type' => 'textfield',
    '#title' => t('Body Background'),
    '#default_value' => $settings['sky_background'],
    '#description' => t('Example: If you want a black background enter <code>#000000</code>.  If you want to include a background image, upload it to your server, and enter something like: <code>#fff url(\'/full/path/to/background/image.jpg\') repeat-x bottom left;</code>'),
  );

  // Heading Background Color
  $form['colors']['sky_background_header'] = array(
    '#type' => 'textfield',
    '#title' => t('Header Background'),
    '#default_value' => $settings['sky_background_header'],
    '#description' => t('Example: If you want a black background enter <code>#000000</code>.  If you want to include a background image, upload it to your server, and enter something like: <code>#fff url(\'/full/path/to/background/image.jpg\') repeat-x bottom left;</code>'),
  );

  // Fonts
  $form['fonts'] = array(
    '#type' => 'fieldset',
    '#title' => 'Font Options',
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  // Base Font Size
  $form['fonts']['sky_font_size'] = array(
    '#type' => 'select',
    '#title' => t('Base Font Size'),
    '#default_value' => $settings['sky_font_size'],
    '#options' => sky_size_range(11, 16, 'px', 12),
    '#description' => t('Select the base font size for the theme.'),
  );

  // Base Font
  $form['fonts']['sky_font'] = array(
    '#type' => 'select',
    '#title' => t('Base Font'),
    '#default_value' =>  $settings['sky_font'],
    '#options' => sky_font_list(),
    '#description' => t('Select the base font for the theme.'),
  );

  // Headings Font
  $form['fonts']['sky_font_headings'] = array(
    '#type' => 'select',
    '#title' => t('Headings Font'),
    '#default_value' =>  $settings['sky_font_headings'],
    '#options' => sky_font_list(),
    '#description' => t('Select the base font for the heading (block, page titles and heading tags).'),
  );

  // Links
  $form['colors']['sky_links'] = array(
    '#type' => 'textfield',
    '#title' => t('Links: Normal'),
    '#default_value' => $settings['sky_links'],
    '#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default.'),
  );

  // Links: Active
  $form['colors']['sky_links_active'] = array(
    '#type' => 'textfield',
    '#title' => t('Links: Active'),
    '#default_value' => $settings['sky_links_active'],
    '#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default'),
  );

  // Links: Hover
  $form['colors']['sky_links_hover'] = array(
    '#type' => 'textfield',
    '#title' => t('Links: Hover'),
    '#default_value' => $settings['sky_links_hover'],
    '#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default'),
  );

  // Links: Visited
  $form['colors']['sky_links_visited'] = array(
    '#type' => 'textfield',
    '#title' => t('Links: Visited'),
    '#default_value' => $settings['sky_links_visited'],
    '#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default'),
  );

  // Generate custom.css and display a link to the file
  $form['sky_css'] = array(
    '#type' => 'fieldset',
    '#title' => 'Custom CSS Generation',
    '#description' =>  sky_write_css(), // This is the function that creates the custom.css file is created... Do not remove.
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  return $form;
}

function sky_build_css() {
  // Grab the current theme settings
  $theme_settings = variable_get('theme_sky_settings', '');
  if (!empty($theme_settings)) {
    // Build an array of only the theme related settings
    $setting = array();
    foreach ($theme_settings as $key => $value) {
      if (strpos($key, 'sky_') !== FALSE) {
        $setting[$key] = $value;
      }
    }
    // Handle custom settings for each case
    $custom_css = array();
    foreach ($setting as $key => $value) {
      switch ($key) {
        // Layout
        case 'sky_layout':
          // If a custom value is set for use "sky_custom_layout", ignore "sky_layout".
          if ($setting['sky_custom_layout'] != '') {
            $custom_css[] = '#wrapper, #footer { width: '. $setting['sky_custom_layout'] .'; }';
          }
          else {
            switch ($value) {
              case 'fluid':
                $width = '100%';
                break;
              case 'fluid_98':
                $width = '98%';
                break;
              case 'fixed': default:
                $width = '960px';
                break;
            }
            $custom_css[] = '#wrapper, #footer { width: '. $width .'; }';
          }
        break;
        case 'sky_header_height':
          $custom_css[] = '#header { height: '. $value .'; }';
          break;
        case 'sky_sub_navigation_size':
          $custom_css[] = '#navigation ul ul, #navigation ul ul li  { width: '. $value .'; }';
          $custom_css[] = '#navigation li .expanded ul { margin: -2.65em 0 0 '. $value .'!important; }';
          break;

        // Colors
        case 'sky_background':
          $custom_css[] = (!empty($value)) ? 'html, body { background: '. $value .'; }' : '';
          break;
        case 'sky_background_header':
          $custom_css[] = (!empty($value)) ? '#header { background: '. $value .'; }' : '';
          break;
        case 'sky_links':
          $custom_css[] = (!empty($value)) ? 'a { color: '. $value .'; }' : '';
          break;
        case 'sky_links_hover':
          $custom_css[] = (!empty($value)) ? 'a:hover, a:visited:hover { color: '. $value .'; }' : '';
          break;
        case 'sky_links_active':
          $custom_css[] = (!empty($value)) ? 'a.active, li a.active { color: '. $value .'; }' : '';
          break;
        case 'sky_links_visited':
          $custom_css[] = (!empty($value)) ? 'a:visited { color: '. $value .'; }' : '';
          break;

        // Fonts
        case 'sky_font_size':
          $custom_css[] = (!empty($value)) ? '#wrapper { font-size: '. $value .'; }' : '';
          break;
        case 'sky_font':
        $custom_css[] = 'html, body, .form-radio, .form-checkbox, .form-file, .form-select, select, .form-text, input, .form-textarea, textarea  { font-family: '. sky_font_stack($value) .'; }';
          break;
        case 'sky_font_headings':
          $custom_css[] = 'h1, h2, h3, h4, h5, h6  { font-family: '. sky_font_stack($value) .'; }';
          break;
      }
    }
    return implode("\r\n", $custom_css);
    }
}

function sky_write_css() {
  // Set the location of the custom.css file
  $file_path = file_directory_path() .'/sky/custom.css';

  // If the directory doesn't exist, create it
  file_check_directory(dirname($file_path), FILE_CREATE_DIRECTORY);

  // Generate the CSS
  $file_contents = sky_build_css();
  $output = '<div class="description">'. t('This CSS is generated by the settings chosen above and placed in the files directory: '. l($file_path, $file_path) .'. The file is generated each time this page (and only this page) is loaded. <strong class="marker">Make sure to refresh your page to see the changes</strong>') .'</div>';

  file_save_data($file_contents, $file_path, FILE_EXISTS_REPLACE);

  return $output;

}

/**
 * Helper function to provide a list of fonts for select list in theme settings.
 */
function sky_font_list() {
  $fonts = array(
    'Sans-serif' => array(
      'verdana' => t('Verdana'),
      'helvetica' => t('Helvetica, Arial'),
      'lucida' => t('Lucida Grande, Lucida Sans Unicode'),
      'geneva' => t('Geneva'),
      'tahoma' => t('Tahoma'),
      'century' => t('Century Gothic'),
    ),
    'Serif' => array(
      'georgia' => t('Georgia'),
      'palatino' => t('Palatino Linotype, Book Antiqua'),
      'times' => t('Times New Roman'),
    ),
  );
  return $fonts;
}

/**
 * Provides Font Stack values for theme settings which are written to custom.css
 * @see sky_font_list()
 * @param $attributes
 * @return string
 */
function sky_font_stack($font) {
  if ($font) {
    $fonts = array(
      'verdana' => '"Bitstream Vera Sans", Verdana, Arial, sans-serif',
      'helvetica' => 'Helvetica, Arial, "Nimbus Sans L", "Liberation Sans", "FreeSans", sans-serif',
      'lucida' => '"Lucida Grande", "Lucida Sans", "Lucida Sans Unicode", "DejaVu Sans", Arial, sans-serif',
      'geneva' => '"Geneva", "Bitstream Vera Serif", "Tahoma", sans-serif',
      'tahoma' => 'Tahoma, Geneva, "DejaVu Sans Condensed", sans-serif',
      'century' => '"Century Gothic", "URW Gothic L", Helvetica, Arial, sans-serif',
      'georgia' => 'Georgia, "Bitstream Vera Serif", serif',
      'palatino' => '"Palatino Linotype", "URW Palladio L", "Book Antiqua", "Palatino", serif',
      'times' => '"Free Serif", "Times New Roman", Times, serif',
    );

    foreach ($fonts as $key => $value) {
      if ($font == $key) {
        $output = $value;
      }
    }
  }
  return $output;
}

/**
 * Helper function to provide a list of sizes for use in theme settings.
 */
function sky_size_range($start = 11, $end = 16, $unit = 'px', $default = NULL) {
  $range = '';
  if (is_numeric($start) && is_numeric($end)) {
    $range = array();
    $size = $start;
    while ($size >= $start && $size <= $end) {
      if ($size == $default) {
        $range[$size . $unit] = $size . $unit .' (default)';
      }
      else {
        $range[$size . $unit] = $size . $unit;
      }
      $size++;
    }
  }
  return $range;
}
1	<?php
2	// $Id$
3
4	/**
5	* @file
6	* Handles the custom theme settings
7	*/
8
9	/**
10	* Implementation of _settings() theme function.
11	*
12	* PHP Template users: Do NOT put this function in your
13	* template.php file; it won't work.
14	*
15	* @return array
16	*/
17
18	function sky_settings($saved_settings) {
19	// Set the default values for the theme variables
20	$defaults = array(
21	'sky_background' => NULL,
22	'sky_background_header' => NULL,
23	'sky_breadcrumbs' => 0,
24	'sky_breadcrumbs_sep' => '»',
25	'sky_links' => NULL,
26	'sky_links_active' => NULL,
27	'sky_links_hover' => NULL,
28	'sky_links_visited' => NULL,
29	'sky_font' => 'lucida',
30	'sky_font_headings' => 'lucida',
31	'sky_font_size' => '12px',
32	'sky_header_height' => 'auto',
33	'sky_layout' => 'fixed_960',
34	'sky_custom_layout' => NULL,
35	'sky_nav_alignment' => 'center',
36	'sky_sub_navigation_size' => '15em',
37	);
38
39	// Merge the variables and their default values
40	$settings = array_merge($defaults, $saved_settings);
41
42	// Breadcrumb Settings
43	$form['sky_breadcrumbs'] = array(
44	'#type' => 'checkbox',
45	'#title' => t('Disable Breadcrumbs'),
46	'#default_value' => $settings['sky_breadcrumbs'],
47	);
48
49	// Breadcrumb Separator
50	$breadcrumbs_status = $settings['sky_breadcrumbs_sep'] ? TRUE : FALSE;
51	$breadcrumbs_desc = $breadcrumbs_status ? t('Select a breadcrumb separator.') : t('Breadcrumbs must be enabled to use this feature.');
52
53	$form['sky_breadcrumbs_sep'] = array(
54	'#type' => 'select',
55	'#title' => t('Breadcrumb Separator'),
56	'#default_value' => $settings['sky_breadcrumbs_sep'],
57	'#options' => array(
58	'»' => '»',
59	'&rsaquo;' => '›',
60	'→' => '→',
61	'/' => t('/'),
62	),
63	'#description' => $breadcrumbs_desc,
64	'#disabled' => $breadcrumbs_status,
65	);
66
67	// Layout Options
68	$form['layout'] = array(
69	'#type' => 'fieldset',
70	'#title' => 'Layout Options',
71	'#collapsible' => TRUE,
72	'#collapsed' => FALSE,
73	);
74
75	// Layout Type
76	$form['layout']['sky_layout'] = array(
77	'#type' => 'select',
78	'#title' => t('Layout Type'),
79	'#default_value' => $settings['sky_layout'],
80	'#options' => array(
81	'fixed_960' => t('Fixed - 960px'),
82	'fluid_98' => t('Fluid - 98%'),
83	'fluid' => t('Fluid - 100%'),
84	),
85	'#description' => t('This will determine the width of your site layout. Fixed layouts are center aligned.
86	<ul class="tips">
87	<li><strong>Fixed - 960px:</strong> A standard size for targeting: 1024 x 768 resolution.</li>
88	<li><strong>Fluid - 98%:</strong> Will automatically size to fit the 98% the screen width, leaving room for the background image.</li>
89	<li><strong>Fluid - 100%:</strong> Will automatically size to fit the 100% the screen width.</li>
90	</ul>'),
91	);
92
93	$form['layout']['sky_custom_layout'] = array(
94	'#type' => 'textfield',
95	'#title' => t('Custom Layout Width'),
96	'#default_value' => $settings['sky_custom_layout'],
97	'#size' => 8,
98	'#description' => t('Set your own layout width. Be sure to specify units (px, em, %, etc). NOTE: If any value is set here, it will override the above layout options.'),
99	);
100
101	// Alignment of Navigation
102	$form['layout']['sky_nav_alignment'] = array(
103	'#type' => 'select',
104	'#title' => t('Header Navigation Alignment'),
105	'#default_value' => $settings['sky_nav_alignment'],
106	'#options' => array(
107	'left' => t('Left'),
108	'right' => t('Right'),
109	'center' => t('Center'),
110	),
111	'#description' => t('The alignment of the header navigation bar.'),
112	);
113
114	// Width of Dropdown menus
115	$form['layout']['sky_sub_navigation_size'] = array(
116	'#type' => 'select',
117	'#title' => t('Dropdown Menus Second Level Menu Width'),
118	'#default_value' => $settings['sky_sub_navigation_size'],
119	'#options' => sky_size_range(10, 30, 'em', 15),
120	'#description' => t('The drop-down menus need a width. IF you find your menu items need to be adjusted smaller or larger, you can tweak the settings here.'),
121	);
122
123	// Adjust the height of the header, commonly requested in the issue queue.
124	$form['layout']['sky_header_height'] = array(
125	'#type' => 'textfield',
126	'#title' => t('Height of Header (default is "95px")'),
127	'#default_value' => $settings['sky_header_height'],
128	'#description' => t('To tweak the height of the header, please enter the height in pixels or ems, ie. 100px, 5em'),
129	);
130
131	// Colors
132	$form['colors'] = array(
133	'#type' => 'fieldset',
134	'#title' => 'Color Options',
135	'#collapsible' => TRUE,
136	'#collapsed' => FALSE,
137	);
138
139	// Body Background Color
140	$form['colors']['sky_background'] = array(
141	'#type' => 'textfield',
142	'#title' => t('Body Background'),
143	'#default_value' => $settings['sky_background'],
144	'#description' => t('Example: If you want a black background enter <code>#000000</code>. If you want to include a background image, upload it to your server, and enter something like: <code>#fff url(\'/full/path/to/background/image.jpg\') repeat-x bottom left;</code>'),
145	);
146
147	// Heading Background Color
148	$form['colors']['sky_background_header'] = array(
149	'#type' => 'textfield',
150	'#title' => t('Header Background'),
151	'#default_value' => $settings['sky_background_header'],
152	'#description' => t('Example: If you want a black background enter <code>#000000</code>. If you want to include a background image, upload it to your server, and enter something like: <code>#fff url(\'/full/path/to/background/image.jpg\') repeat-x bottom left;</code>'),
153	);
154
155	// Fonts
156	$form['fonts'] = array(
157	'#type' => 'fieldset',
158	'#title' => 'Font Options',
159	'#collapsible' => TRUE,
160	'#collapsed' => FALSE,
161	);
162	// Base Font Size
163	$form['fonts']['sky_font_size'] = array(
164	'#type' => 'select',
165	'#title' => t('Base Font Size'),
166	'#default_value' => $settings['sky_font_size'],
167	'#options' => sky_size_range(11, 16, 'px', 12),
168	'#description' => t('Select the base font size for the theme.'),
169	);
170
171	// Base Font
172	$form['fonts']['sky_font'] = array(
173	'#type' => 'select',
174	'#title' => t('Base Font'),
175	'#default_value' => $settings['sky_font'],
176	'#options' => sky_font_list(),
177	'#description' => t('Select the base font for the theme.'),
178	);
179
180	// Headings Font
181	$form['fonts']['sky_font_headings'] = array(
182	'#type' => 'select',
183	'#title' => t('Headings Font'),
184	'#default_value' => $settings['sky_font_headings'],
185	'#options' => sky_font_list(),
186	'#description' => t('Select the base font for the heading (block, page titles and heading tags).'),
187	);
188
189	// Links
190	$form['colors']['sky_links'] = array(
191	'#type' => 'textfield',
192	'#title' => t('Links: Normal'),
193	'#default_value' => $settings['sky_links'],
194	'#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default.'),
195	);
196
197	// Links: Active
198	$form['colors']['sky_links_active'] = array(
199	'#type' => 'textfield',
200	'#title' => t('Links: Active'),
201	'#default_value' => $settings['sky_links_active'],
202	'#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default'),
203	);
204
205	// Links: Hover
206	$form['colors']['sky_links_hover'] = array(
207	'#type' => 'textfield',
208	'#title' => t('Links: Hover'),
209	'#default_value' => $settings['sky_links_hover'],
210	'#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default'),
211	);
212
213	// Links: Visited
214	$form['colors']['sky_links_visited'] = array(
215	'#type' => 'textfield',
216	'#title' => t('Links: Visited'),
217	'#default_value' => $settings['sky_links_visited'],
218	'#description' => t('Example: <code>#314C74</code> or <code>blue</code> NOTE: This will only change the links that are blue by default'),
219	);
220
221	// Generate custom.css and display a link to the file
222	$form['sky_css'] = array(
223	'#type' => 'fieldset',
224	'#title' => 'Custom CSS Generation',
225	'#description' => sky_write_css(), // This is the function that creates the custom.css file is created... Do not remove.
226	'#collapsible' => TRUE,
227	'#collapsed' => FALSE,
228	);
229
230	return $form;
231	}
232
233	function sky_build_css() {
234	// Grab the current theme settings
235	$theme_settings = variable_get('theme_sky_settings', '');
236	if (!empty($theme_settings)) {
237	// Build an array of only the theme related settings
238	$setting = array();
239	foreach ($theme_settings as $key => $value) {
240	if (strpos($key, 'sky_') !== FALSE) {
241	$setting[$key] = $value;
242	}
243	}
244	// Handle custom settings for each case
245	$custom_css = array();
246	foreach ($setting as $key => $value) {
247	switch ($key) {
248	// Layout
249	case 'sky_layout':
250	// If a custom value is set for use "sky_custom_layout", ignore "sky_layout".
251	if ($setting['sky_custom_layout'] != '') {
252	$custom_css[] = '#wrapper, #footer { width: '. $setting['sky_custom_layout'] .'; }';
253	}
254	else {
255	switch ($value) {
256	case 'fluid':
257	$width = '100%';
258	break;
259	case 'fluid_98':
260	$width = '98%';
261	break;
262	case 'fixed': default:
263	$width = '960px';
264	break;
265	}
266	$custom_css[] = '#wrapper, #footer { width: '. $width .'; }';
267	}
268	break;
269	case 'sky_header_height':
270	$custom_css[] = '#header { height: '. $value .'; }';
271	break;
272	case 'sky_sub_navigation_size':
273	$custom_css[] = '#navigation ul ul, #navigation ul ul li { width: '. $value .'; }';
274	$custom_css[] = '#navigation li .expanded ul { margin: -2.65em 0 0 '. $value .'!important; }';
275	break;
276
277	// Colors
278	case 'sky_background':
279	$custom_css[] = (!empty($value)) ? 'html, body { background: '. $value .'; }' : '';
280	break;
281	case 'sky_background_header':
282	$custom_css[] = (!empty($value)) ? '#header { background: '. $value .'; }' : '';
283	break;
284	case 'sky_links':
285	$custom_css[] = (!empty($value)) ? 'a { color: '. $value .'; }' : '';
286	break;
287	case 'sky_links_hover':
288	$custom_css[] = (!empty($value)) ? 'a:hover, a:visited:hover { color: '. $value .'; }' : '';
289	break;
290	case 'sky_links_active':
291	$custom_css[] = (!empty($value)) ? 'a.active, li a.active { color: '. $value .'; }' : '';
292	break;
293	case 'sky_links_visited':
294	$custom_css[] = (!empty($value)) ? 'a:visited { color: '. $value .'; }' : '';
295	break;
296
297	// Fonts
298	case 'sky_font_size':
299	$custom_css[] = (!empty($value)) ? '#wrapper { font-size: '. $value .'; }' : '';
300	break;
301	case 'sky_font':
302	$custom_css[] = 'html, body, .form-radio, .form-checkbox, .form-file, .form-select, select, .form-text, input, .form-textarea, textarea { font-family: '. sky_font_stack($value) .'; }';
303	break;
304	case 'sky_font_headings':
305	$custom_css[] = 'h1, h2, h3, h4, h5, h6 { font-family: '. sky_font_stack($value) .'; }';
306	break;
307	}
308	}
309	return implode("\r\n", $custom_css);
310	}
311	}
312
313	function sky_write_css() {
314	// Set the location of the custom.css file
315	$file_path = file_directory_path() .'/sky/custom.css';
316
317	// If the directory doesn't exist, create it
318	file_check_directory(dirname($file_path), FILE_CREATE_DIRECTORY);
319
320	// Generate the CSS
321	$file_contents = sky_build_css();
322	$output = '<div class="description">'. t('This CSS is generated by the settings chosen above and placed in the files directory: '. l($file_path, $file_path) .'. The file is generated each time this page (and only this page) is loaded. <strong class="marker">Make sure to refresh your page to see the changes</strong>') .'</div>';
323
324	file_save_data($file_contents, $file_path, FILE_EXISTS_REPLACE);
325
326	return $output;
327
328	}
329
330	/**
331	* Helper function to provide a list of fonts for select list in theme settings.
332	*/
333	function sky_font_list() {
334	$fonts = array(
335	'Sans-serif' => array(
336	'verdana' => t('Verdana'),
337	'helvetica' => t('Helvetica, Arial'),
338	'lucida' => t('Lucida Grande, Lucida Sans Unicode'),
339	'geneva' => t('Geneva'),
340	'tahoma' => t('Tahoma'),
341	'century' => t('Century Gothic'),
342	),
343	'Serif' => array(
344	'georgia' => t('Georgia'),
345	'palatino' => t('Palatino Linotype, Book Antiqua'),
346	'times' => t('Times New Roman'),
347	),
348	);
349	return $fonts;
350	}
351
352	/**
353	* Provides Font Stack values for theme settings which are written to custom.css
354	* @see sky_font_list()
355	* @param $attributes
356	* @return string
357	*/
358	function sky_font_stack($font) {
359	if ($font) {
360	$fonts = array(
361	'verdana' => '"Bitstream Vera Sans", Verdana, Arial, sans-serif',
362	'helvetica' => 'Helvetica, Arial, "Nimbus Sans L", "Liberation Sans", "FreeSans", sans-serif',
363	'lucida' => '"Lucida Grande", "Lucida Sans", "Lucida Sans Unicode", "DejaVu Sans", Arial, sans-serif',
364	'geneva' => '"Geneva", "Bitstream Vera Serif", "Tahoma", sans-serif',
365	'tahoma' => 'Tahoma, Geneva, "DejaVu Sans Condensed", sans-serif',
366	'century' => '"Century Gothic", "URW Gothic L", Helvetica, Arial, sans-serif',
367	'georgia' => 'Georgia, "Bitstream Vera Serif", serif',
368	'palatino' => '"Palatino Linotype", "URW Palladio L", "Book Antiqua", "Palatino", serif',
369	'times' => '"Free Serif", "Times New Roman", Times, serif',
370	);
371
372	foreach ($fonts as $key => $value) {
373	if ($font == $key) {
374	$output = $value;
375	}
376	}
377	}
378	return $output;
379	}
380
381	/**
382	* Helper function to provide a list of sizes for use in theme settings.
383	*/
384	function sky_size_range($start = 11, $end = 16, $unit = 'px', $default = NULL) {
385	$range = '';
386	if (is_numeric($start) && is_numeric($end)) {
387	$range = array();
388	$size = $start;
389	while ($size >= $start && $size <= $end) {
390	if ($size == $default) {
391	$range[$size . $unit] = $size . $unit .' (default)';
392	}
393	else {
394	$range[$size . $unit] = $size . $unit;
395	}
396	$size++;
397	}
398	}
399	return $range;
400	}