gnu-social/actions/designadminpanel.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Design administration panel
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Settings
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008-2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* Administer design settings
*
* @category Admin
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class DesignadminpanelAction extends AdminPanelAction
{
/* The default site design */
var $design = null;
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/**
* Returns the page title
*
* @return string page title
*/
function title()
{
// TRANS: Message used as title for design settings for the site.
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return _('Design');
}
/**
* Instructions for using this form.
*
* @return string instructions
*/
function getInstructions()
{
return _('Design settings for this StatusNet site.');
}
/**
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* Get the default design and show the design admin panel form
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*
* @return void
*/
function showForm()
{
$this->design = Design::siteDesign();
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$form = new DesignAdminPanelForm($this);
$form->show();
return;
}
/**
* Save settings from the form
*
* @return void
*/
function saveSettings()
{
if ($this->arg('save')) {
$this->saveDesignSettings();
} else if ($this->arg('defaults')) {
$this->restoreDefaults();
} else {
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$this->clientError(_('Unexpected form submission.'));
}
}
/**
* Save the new design settings
*
* @return void
*/
function saveDesignSettings()
{
// Workaround for PHP returning empty $_POST and $_FILES when POST
// length > post_max_size in php.ini
if (empty($_FILES)
&& empty($_POST)
&& ($_SERVER['CONTENT_LENGTH'] > 0)
) {
$msg = _('The server was unable to handle that much POST ' .
'data (%s bytes) due to its current configuration.');
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$this->clientException(sprintf($msg, $_SERVER['CONTENT_LENGTH']));
return;
}
// check for file uploads
$bgimage = $this->saveBackgroundImage();
$customTheme = $this->saveCustomTheme();
$oldtheme = common_config('site', 'theme');
if ($customTheme) {
// This feels pretty hacky :D
$this->args['theme'] = $customTheme;
$themeChanged = true;
} else {
$themeChanged = ($this->trimmed('theme') != $oldtheme);
}
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static $settings = array('theme', 'logo');
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$values = array();
foreach ($settings as $setting) {
$values[$setting] = $this->trimmed($setting);
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}
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$this->validate($values);
$config = new Config();
$config->query('BEGIN');
if ($themeChanged) {
// If the theme has changed, reset custom colors and let them pick
// up the new theme's defaults.
$colors = array('background', 'content', 'sidebar', 'text', 'link');
foreach ($colors as $colorKey) {
// Clear from global config so we see defaults on this page...
$GLOBALS['config']['design'][$colorKey . 'color'] = false;
// And remove old settings from DB...
$this->deleteSetting('design', $colorKey . 'color');
}
} else {
// Only save colors from the form if the theme has not changed.
//
// @fixme a future more ajaxy form should allow theme switch
// and color customization in one step.
$bgcolor = new WebColor($this->trimmed('design_background'));
$ccolor = new WebColor($this->trimmed('design_content'));
$sbcolor = new WebColor($this->trimmed('design_sidebar'));
$tcolor = new WebColor($this->trimmed('design_text'));
$lcolor = new WebColor($this->trimmed('design_links'));
Config::save('design', 'backgroundcolor', $bgcolor->intValue());
Config::save('design', 'contentcolor', $ccolor->intValue());
Config::save('design', 'sidebarcolor', $sbcolor->intValue());
Config::save('design', 'textcolor', $tcolor->intValue());
Config::save('design', 'linkcolor', $lcolor->intValue());
}
$onoff = $this->arg('design_background-image_onoff');
$on = false;
$off = false;
if ($onoff == 'on') {
$on = true;
} else {
$off = true;
}
$tile = $this->boolean('design_background-image_repeat');
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// Hack to use Design's bit setter
$scratch = new Design();
$scratch->setDisposition($on, $off, $tile);
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Config::save('design', 'disposition', $scratch->disposition);
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foreach ($settings as $setting) {
Config::save('site', $setting, $values[$setting]);
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}
if (isset($bgimage)) {
Config::save('design', 'backgroundimage', $bgimage);
}
if (common_config('custom_css', 'enabled')) {
$css = $this->arg('css');
if ($css != common_config('custom_css', 'css')) {
Config::save('custom_css', 'css', $css);
}
}
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$config->query('COMMIT');
}
/**
* Restore the default design
*
* @return void
*/
function restoreDefaults()
{
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$this->deleteSetting('site', 'logo');
$this->deleteSetting('site', 'theme');
$settings = array(
'theme', 'backgroundimage', 'backgroundcolor', 'contentcolor',
'sidebarcolor', 'textcolor', 'linkcolor', 'disposition'
);
foreach ($settings as $setting) {
$this->deleteSetting('design', $setting);
}
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// XXX: Should we restore the default dir settings, etc.? --Z
// XXX: I can't get it to show the new settings without forcing
// this terrible reload -- FIX ME!
common_redirect(common_local_url('designadminpanel'), 303);
}
/**
* Save the background image if the user uploaded one
*
* @return string $filename the filename of the image
*/
function saveBackgroundImage()
{
$filename = null;
if ($_FILES['design_background-image_file']['error'] ==
UPLOAD_ERR_OK) {
$filepath = null;
try {
$imagefile =
ImageFile::fromUpload('design_background-image_file');
} catch (Exception $e) {
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$this->clientError('Unable to save background image.');
return;
}
// Note: site design background image has a special filename
$filename = Design::filename('site-design-background',
image_type_to_extension($imagefile->type),
common_timestamp());
$filepath = Design::path($filename);
move_uploaded_file($imagefile->filepath, $filepath);
// delete any old backround img laying around
if (isset($this->design->backgroundimage)) {
@unlink(Design::path($design->backgroundimage));
}
return $filename;
}
}
/**
* Save the custom theme if the user uploaded one.
*
* @return mixed custom theme name, if succesful, or null if no theme upload.
* @throws ClientException for invalid theme archives
* @throws ServerException if trouble saving the theme files
*/
function saveCustomTheme()
{
if (common_config('theme_upload', 'enabled') &&
$_FILES['design_upload_theme']['error'] == UPLOAD_ERR_OK) {
$upload = ThemeUploader::fromUpload('design_upload_theme');
$basedir = common_config('local', 'dir');
if (empty($basedir)) {
$basedir = INSTALLDIR . '/local';
}
$name = 'custom'; // @todo allow multiples, custom naming?
$outdir = $basedir . '/theme/' . $name;
$upload->extract($outdir);
return $name;
} else {
return null;
}
}
/**
* Attempt to validate setting values
*
* @return void
*/
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function validate(&$values)
{
if (!empty($values['logo']) &&
!Validate::uri($values['logo'], array('allowed_schemes' => array('http', 'https')))) {
$this->clientError(_('Invalid logo URL.'));
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}
if (!in_array($values['theme'], Theme::listAvailable())) {
$this->clientError(sprintf(_("Theme not available: %s."), $values['theme']));
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}
}
/**
* Add the Farbtastic stylesheet
*
* @return void
*/
function showStylesheets()
{
parent::showStylesheets();
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$this->cssLink('js/farbtastic/farbtastic.css',null,'screen, projection, tv');
}
/**
* Add the Farbtastic scripts
*
* @return void
*/
function showScripts()
{
parent::showScripts();
$this->script('farbtastic/farbtastic.js');
$this->script('userdesign.go.js');
$this->autofocus('design_background-image_file');
}
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}
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class DesignAdminPanelForm extends AdminForm
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{
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/**
* ID of the form
*
* @return int ID of the form
*/
function id()
{
return 'form_design_admin_panel';
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}
/**
* class of the form
*
* @return string class of the form
*/
function formClass()
{
return 'form_settings';
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}
/**
* HTTP method used to submit the form
*
* For image data we need to send multipart/form-data
* so we set that here too
*
* @return string the method to use for submitting
*/
function method()
{
$this->enctype = 'multipart/form-data';
return 'post';
}
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/**
* Action of the form
*
* @return string URL of the action
*/
function action()
{
return common_local_url('designadminpanel');
}
/**
* Data elements of the form
*
* @return void
*/
function formData()
{
$this->showLogo();
$this->showTheme();
$this->showBackground();
$this->showColors();
$this->showAdvanced();
}
function showLogo()
{
$this->out->elementStart('fieldset', array('id' => 'settings_design_logo'));
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$this->out->element('legend', null, _('Change logo'));
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$this->out->elementStart('ul', 'form_data');
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$this->li();
$this->input('logo', _('Site logo'), 'Logo for the site (full URL)');
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$this->unli();
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$this->out->elementEnd('ul');
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$this->out->elementEnd('fieldset');
}
function showTheme()
{
$this->out->elementStart('fieldset', array('id' => 'settings_design_theme'));
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$this->out->element('legend', null, _('Change theme'));
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$this->out->elementStart('ul', 'form_data');
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$themes = Theme::listAvailable();
// XXX: listAvailable() can return an empty list if you
// screw up your settings, so just in case:
if (empty($themes)) {
$themes = array('default', 'default');
}
asort($themes);
$themes = array_combine($themes, $themes);
$this->li();
$this->out->dropdown('theme', _('Site theme'),
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$themes, _('Theme for the site.'),
false, $this->value('theme'));
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$this->unli();
if (common_config('theme_upload', 'enabled')) {
$this->li();
$this->out->element('label', array('for' => 'design_upload_theme'), _('Custom theme'));
$this->out->element('input', array('id' => 'design_upload_theme',
'name' => 'design_upload_theme',
'type' => 'file'));
$this->out->element('p', 'form_guide', _('You can upload a custom StatusNet theme as a .ZIP archive.'));
$this->unli();
}
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$this->out->elementEnd('ul');
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$this->out->elementEnd('fieldset');
}
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function showBackground()
{
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$design = $this->out->design;
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$this->out->elementStart('fieldset', array('id' =>
'settings_design_background-image'));
$this->out->element('legend', null, _('Change background image'));
$this->out->elementStart('ul', 'form_data');
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$this->li();
$this->out->element('label', array('for' => 'design_background-image_file'),
_('Background'));
$this->out->element('input', array('name' => 'design_background-image_file',
'type' => 'file',
'id' => 'design_background-image_file'));
$this->out->element('p', 'form_guide',
sprintf(_('You can upload a background image for the site. ' .
'The maximum file size is %1$s.'), ImageFile::maxFileSize()));
$this->out->element('input', array('name' => 'MAX_FILE_SIZE',
'type' => 'hidden',
'id' => 'MAX_FILE_SIZE',
'value' => ImageFile::maxFileSizeInt()));
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$this->unli();
if (!empty($design->backgroundimage)) {
$this->out->elementStart('li', array('id' =>
'design_background-image_onoff'));
$this->out->element('img', array('src' =>
Design::url($design->backgroundimage)));
$attrs = array('name' => 'design_background-image_onoff',
'type' => 'radio',
'id' => 'design_background-image_on',
'class' => 'radio',
'value' => 'on');
if ($design->disposition & BACKGROUND_ON) {
$attrs['checked'] = 'checked';
}
$this->out->element('input', $attrs);
$this->out->element('label', array('for' => 'design_background-image_on',
'class' => 'radio'),
// TRANS: Used as radio button label to add a background image.
_('On'));
$attrs = array('name' => 'design_background-image_onoff',
'type' => 'radio',
'id' => 'design_background-image_off',
'class' => 'radio',
'value' => 'off');
if ($design->disposition & BACKGROUND_OFF) {
$attrs['checked'] = 'checked';
}
$this->out->element('input', $attrs);
$this->out->element('label', array('for' => 'design_background-image_off',
'class' => 'radio'),
// TRANS: Used as radio button label to not add a background image.
_('Off'));
$this->out->element('p', 'form_guide', _('Turn background image on or off.'));
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$this->unli();
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$this->li();
$this->out->checkbox('design_background-image_repeat',
_('Tile background image'),
($design->disposition & BACKGROUND_TILE) ? true : false);
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$this->unli();
}
$this->out->elementEnd('ul');
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$this->out->elementEnd('fieldset');
}
function showColors()
{
$design = $this->out->design;
$this->out->elementStart('fieldset', array('id' => 'settings_design_color'));
$this->out->element('legend', null, _('Change colours'));
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$this->out->elementStart('ul', 'form_data');
try {
// @fixme avoid loop unrolling in non-performance-critical contexts like this
$bgcolor = new WebColor($design->backgroundcolor);
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$this->li();
$this->out->element('label', array('for' => 'swatch-1'), _('Background'));
$this->out->element('input', array('name' => 'design_background',
'type' => 'text',
'id' => 'swatch-1',
'class' => 'swatch',
'maxlength' => '7',
'size' => '7',
'value' => ''));
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$this->unli();
$ccolor = new WebColor($design->contentcolor);
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$this->li();
$this->out->element('label', array('for' => 'swatch-2'), _('Content'));
$this->out->element('input', array('name' => 'design_content',
'type' => 'text',
'id' => 'swatch-2',
'class' => 'swatch',
'maxlength' => '7',
'size' => '7',
'value' => ''));
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$this->unli();
$sbcolor = new WebColor($design->sidebarcolor);
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$this->li();
$this->out->element('label', array('for' => 'swatch-3'), _('Sidebar'));
$this->out->element('input', array('name' => 'design_sidebar',
'type' => 'text',
'id' => 'swatch-3',
'class' => 'swatch',
'maxlength' => '7',
'size' => '7',
'value' => ''));
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$this->unli();
$tcolor = new WebColor($design->textcolor);
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$this->li();
$this->out->element('label', array('for' => 'swatch-4'), _('Text'));
$this->out->element('input', array('name' => 'design_text',
'type' => 'text',
'id' => 'swatch-4',
'class' => 'swatch',
'maxlength' => '7',
'size' => '7',
'value' => ''));
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$this->unli();
$lcolor = new WebColor($design->linkcolor);
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$this->li();
$this->out->element('label', array('for' => 'swatch-5'), _('Links'));
$this->out->element('input', array('name' => 'design_links',
'type' => 'text',
'id' => 'swatch-5',
'class' => 'swatch',
'maxlength' => '7',
'size' => '7',
'value' => ''));
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$this->unli();
} catch (WebColorException $e) {
// @fixme normalize them individually!
common_log(LOG_ERR, 'Bad color values in site design: ' .
$e->getMessage());
}
$this->out->elementEnd('fieldset');
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$this->out->elementEnd('ul');
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}
function showAdvanced()
{
if (common_config('custom_css', 'enabled')) {
$this->out->elementStart('fieldset', array('id' => 'settings_design_advanced'));
$this->out->element('legend', null, _('Advanced'));
$this->out->elementStart('ul', 'form_data');
$this->li();
$this->out->element('label', array('for' => 'css'), _('Custom CSS'));
$this->out->element('textarea', array('name' => 'css',
'id' => 'css',
'cols' => '50',
'rows' => '10'),
strval(common_config('custom_css', 'css')));
$this->unli();
$this->out->elementEnd('fieldset');
$this->out->elementEnd('ul');
}
}
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/**
* Action elements
*
* @return void
*/
function formActions()
{
$this->out->submit('defaults', _('Use defaults'), 'submit form_action-default',
'defaults', _('Restore default designs'));
$this->out->element('input', array('id' => 'settings_design_reset',
'type' => 'reset',
'value' => 'Reset',
'class' => 'submit form_action-primary',
'title' => _('Reset back to default')));
$this->out->submit('save', _('Save'), 'submit form_action-secondary',
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'save', _('Save design'));
}
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}