class bg_image_context_reaction_bg_image in Background Images 7
Same name and namespace in other branches
- 6 plugins/bg_image_context_reaction_bg_image.inc \bg_image_context_reaction_bg_image
Expose themes as context reactions.
Hierarchy
- class \context_reaction
Expanded class hierarchy of bg_image_context_reaction_bg_image
2 string references to 'bg_image_context_reaction_bg_image'
- bg_image_context_context_plugins in bg_image_context/
bg_image_context.module - Implements hook_context_plugins
- bg_image_context_context_registry in bg_image_context/
bg_image_context.module - Implements hook_context_registry
File
- bg_image_context/
plugins/ bg_image_context_reaction_bg_image.inc, line 6
View source
class bg_image_context_reaction_bg_image extends context_reaction {
/**
* Allow admins to provide a section title, section subtitle and section class.
*/
function options_form($context) {
$values = $this
->fetch_from_context($context);
$form = array(
'#tree' => TRUE,
'#title' => t('Background Image'),
);
if (bg_image_node_is_configured()) {
$node_type = variable_get('bg_image_node_type', '');
$node_options = bg_image_node_options();
if (!$node_options) {
$form['no_nodes_msg'] = array(
'#markup' => t('There are no nodes yet for the configured node type. You must create at least one @type node before you can apply a background image reaction.', array(
'@type' => variable_get('bg_image_node_type', ''),
)),
);
return $form;
}
$form['bg_image_node_ref_nid'] = array(
'#type' => 'select',
'#title' => t('Select A Node'),
'#description' => t('Choose a node, whose image field specified on the <a href="/admin/config/content/background_image">settings page</a> will be used for the background image'),
'#options' => $node_options,
'#default_value' => isset($values['bg_image_node_ref_nid']) ? $values['bg_image_node_ref_nid'] : 0,
);
$form['bg_image_weight'] = array(
'#type' => 'textfield',
'#title' => t('weight'),
'#description' => t('If you want you can set a weight for this background image. This helps if you have overlapping conditions in different contexts trying to add multiple background images. Higher values take precedence.'),
'#default_value' => isset($values['bg_image_weight']) ? $values['bg_image_weight'] : 0,
);
$form['bg_image_style'] = array(
'#type' => 'select',
'#title' => t('Image Style'),
'#description' => t('Apply an image style to the image'),
'#options' => image_style_options(),
'#default_value' => isset($values['bg_image_style']) ? $values['bg_image_style'] : variable_get('bg_image_style', ''),
);
$form['override_css_settings'] = array(
'#type' => 'checkbox',
'#title' => t('Override the default css settings'),
'#description' => t('If selected the css settings provided below will be used instead of the default css settings from the <a href="/admin/config/content/background-image">background image configuration page</a>'),
'#default_value' => isset($values['override_css_settings']) ? $values['override_css_settings'] : 0,
);
// Default CSS Settings can be overridden here
// Fieldset for css settings
$form['css_settings'] = array(
'#type' => 'fieldset',
'#title' => t('Override Default CSS Settings'),
'#description' => t('Override the default css settings from the <a href="admin/config/admin/config/content/background-image">Background Image Settings Page</a>'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
// The selector for the background property
$form['css_settings']['bg_image_selector'] = array(
'#type' => 'textfield',
'#title' => t('Selector'),
'#description' => t('A valid CSS selector that will be used to apply the background image.'),
'#default_value' => isset($values['css_settings']['bg_image_selector']) ? $values['css_settings']['bg_image_selector'] : variable_get('bg_image_selector', ''),
);
// The selector for the background property
$form['css_settings']['bg_image_color'] = array(
'#type' => 'textfield',
'#title' => t('Color'),
'#description' => t('The background color formatted as any valid css color format (e.g. hex, rgb, text, hsl) [<a href="http://www.w3schools.com/css/pr_background-color.asp">css property: background-color</a>]'),
'#default_value' => isset($values['css_settings']['bg_image_color']) ? $values['css_settings']['bg_image_color'] : variable_get('bg_image_color', '#FFFFFF'),
);
// The selector for the background property
$form['css_settings']['bg_image_x'] = array(
'#type' => 'textfield',
'#title' => t('Horizontal Alignment'),
'#description' => t('The horizontal alignment of the background image formatted as any valid css alignment. [<a href="http://www.w3schools.com/css/pr_background-position.asp">css property: background-position</a>]'),
'#default_value' => isset($values['css_settings']['bg_image_x']) ? $values['css_settings']['bg_image_x'] : variable_get('bg_image_x', 'left'),
);
// The selector for the background property
$form['css_settings']['bg_image_y'] = array(
'#type' => 'textfield',
'#title' => t('Vertical Alignment'),
'#description' => t('The vertical alignment of the background image formatted as any valid css alignment. [<a href="http://www.w3schools.com/css/pr_background-position.asp">css property: background-position</a>]'),
'#default_value' => isset($values['css_settings']['bg_image_y']) ? $values['css_settings']['bg_image_y'] : variable_get('bg_image_y', 'top'),
);
// The selector for the background property
$form['css_settings']['bg_image_attachment'] = array(
'#type' => 'radios',
'#title' => t('Background Attachment'),
'#description' => t('The attachment setting for the background image. [<a href="http://www.w3schools.com/css/pr_background-attachment.asp">css property: background-attachment</a>]'),
'#options' => array(
'scroll' => 'Scroll',
'fixed' => 'Fixed',
),
'#default_value' => isset($values['css_settings']['bg_image_attachment']) ? $values['css_settings']['bg_image_attachment'] : variable_get('bg_image_attachment', 'scroll'),
);
// The background-repeat property
$form['css_settings']['bg_image_repeat'] = array(
'#type' => 'radios',
'#title' => t('Background Repeat'),
'#description' => t('Define the repeat settings for the background image. [<a href="http://www.w3schools.com/css/pr_background-repeat.asp">css property: background-repeat</a>]'),
'#options' => bg_image_css_repeat_options(),
'#default_value' => isset($values['css_settings']['bg_image_repeat']) ? $values['css_settings']['bg_image_repeat'] : variable_get('bg_image_repeat', 0),
);
// The background-size property
$form['css_settings']['bg_image_background_size'] = array(
'#type' => 'textfield',
'#title' => t('Background Size'),
'#description' => t('The size of the background (NOTE: CSS3 only. Useful for responsive designs) [<a href="http://www.w3schools.com/cssref/css3_pr_background-size.asp">css property: background-size</a>]'),
'#default_value' => isset($values['css_settings']['bg_image_background_size']) ? $values['css_settings']['bg_image_background_size'] : variable_get('bg_image_background_size', ''),
);
// background-size:cover suppor for IE8
$form['css_settings']['bg_image_background_size_ie8'] = array(
'#type' => 'checkbox',
'#title' => t('Add background-size:cover support for ie8'),
'#description' => t('The background-size css property is only supported on browsers that support CSS3. However, there is a workaround for IE using Internet Explorer\'s built-in filters (http://msdn.microsoft.com/en-us/library/ms532969%28v=vs.85%29.aspx). Check this box to add the filters to the css. Sometimes it works well, sometimes it doesn\'t. Use at your own risk'),
'#default_value' => isset($values['css_settings']['bg_image_background_size_ie8']) ? $values['css_settings']['bg_image_background_size_ie8'] : variable_get('bg_image_background_size_ie8', 0),
);
// The media query specifics
$form['css_settings']['bg_image_media_query'] = array(
'#type' => 'textfield',
'#title' => t('Media Query'),
'#description' => t('Apply this background image css using a media query. Useful for responsive designs. example: only screen and (min-width:481px) and (max-width:768px) [<a href="http://www.w3.org/TR/css3-mediaqueries/">Read about media queries</a>]'),
'#default_value' => isset($values['css_settings']['bg_image_media_query']) ? $values['css_settings']['bg_image_media_query'] : variable_get('bg_image_media_query', 'all'),
);
$form['css_settings']['bg_image_important'] = array(
'#type' => 'checkbox',
'#title' => t('Add "!important" to the background property.'),
'#description' => t('This can be helpful to override any existing background image or color properties added by the theme.'),
'#default_value' => isset($values['css_settings']['bg_image_important']) ? $values['css_settings']['bg_image_important'] : variable_get('bg_image_important', 1),
);
}
else {
$form['settings_first_msg'] = array(
'#markup' => t('You must specify a content type and field on the <a href="/admin/config/content/background_image">settings page</a> before you can set a background image. Once configured you will be able to reference a specific node here, whose image field will be used to set the background image.'),
);
}
return $form;
}
/**
* Organizes the background image data into an array
* keyed by the selector, then applies the background
* image with the highest weight for each selector
*/
function execute() {
//dpm(context_enabled_contexts());
// An array to hold all the bg_image reactions
$bg_image_nodes = array();
$contexts = $this
->get_contexts();
// Loop through the contexts
foreach ($contexts as $context) {
// As long as the reaction is a bg_image reaction
if (!empty($context->reactions[$this->plugin])) {
// Grab the weight and the selector
$weight = $context->reactions[$this->plugin]['bg_image_weight'];
$selector = $context->reactions[$this->plugin]['css_settings']['bg_image_selector'];
$bg_image_style = $context->reactions[$this->plugin]['bg_image_style'];
// If the css settings are selected to be overridden we use them
if ($context->reactions[$this->plugin]['override_css_settings']) {
$css_settings = $context->reactions[$this->plugin]['css_settings'];
}
else {
$css_settings = array();
}
// Add the reaction to the container array first by selector, then by weight
$bg_image_nodes[$selector][$weight] = array(
'nid' => $context->reactions[$this->plugin]['bg_image_node_ref_nid'],
'css_settings' => $css_settings,
'bg_image_style' => $bg_image_style,
);
}
}
// As long as there is at least one reaction
if ($bg_image_nodes) {
// Loop through the stored reactions
foreach ($bg_image_nodes as $selector => $values) {
// Sort the items that are using the same selector
ksort($values);
// Just use the last item from the list, since it has the greatest weight
$bg_image_node = end($values);
bg_image_add_background_image_from_node($bg_image_node['nid'], $bg_image_node['css_settings'], $bg_image_node['bg_image_style']);
}
}
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
bg_image_context_reaction_bg_image:: |
function | Organizes the background image data into an array keyed by the selector, then applies the background image with the highest weight for each selector | ||
bg_image_context_reaction_bg_image:: |
function |
Allow admins to provide a section title, section subtitle and section class. Overrides context_reaction:: |
||
context_reaction:: |
property | |||
context_reaction:: |
property | |||
context_reaction:: |
property | |||
context_reaction:: |
function | Retrieve options from the context provided. | 1 | |
context_reaction:: |
function | Retrieve active contexts that have values for this reaction. | ||
context_reaction:: |
function | Options form submit handler. | 3 | |
context_reaction:: |
function | Settings form. Provide variable settings for your reaction. | 2 | |
context_reaction:: |
function | Clone our references when we're being cloned. | ||
context_reaction:: |
function | Constructor. Do not override. |