416 lines
13 KiB
PHP
416 lines
13 KiB
PHP
<?php
|
|
/**
|
|
* Laconica, the distributed open-source microblogging tool
|
|
*
|
|
* Low-level generator for HTML
|
|
*
|
|
* 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 Output
|
|
* @package Laconica
|
|
* @author Evan Prodromou <evan@controlyourself.ca>
|
|
* @author Sarven Capadisli <csarven@controlyourself.ca>
|
|
* @copyright 2008 Control Yourself, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://laconi.ca/
|
|
*/
|
|
|
|
if (!defined('LACONICA')) {
|
|
exit(1);
|
|
}
|
|
|
|
require_once INSTALLDIR.'/lib/xmloutputter.php';
|
|
|
|
define('PAGE_TYPE_PREFS',
|
|
'text/html,application/xhtml+xml,'.
|
|
'application/xml;q=0.3,text/xml;q=0.2');
|
|
|
|
/**
|
|
* Low-level generator for HTML
|
|
*
|
|
* Abstracts some of the code necessary for HTML generation. Especially
|
|
* has methods for generating HTML form elements. Note that these have
|
|
* been created kind of haphazardly, not with an eye to making a general
|
|
* HTML-creation class.
|
|
*
|
|
* @category Output
|
|
* @package Laconica
|
|
* @author Evan Prodromou <evan@controlyourself.ca>
|
|
* @author Sarven Capadisli <csarven@controlyourself.ca>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://laconi.ca/
|
|
*
|
|
* @see Action
|
|
* @see XMLOutputter
|
|
*/
|
|
|
|
class HTMLOutputter extends XMLOutputter
|
|
{
|
|
/**
|
|
* Constructor
|
|
*
|
|
* Just wraps the XMLOutputter constructor.
|
|
*
|
|
* @param string $output URI to output to, default = stdout
|
|
* @param boolean $indent Whether to indent output, default true
|
|
*/
|
|
|
|
function __construct($output='php://output', $indent=true)
|
|
{
|
|
parent::__construct($output, $indent);
|
|
}
|
|
|
|
/**
|
|
* Start an HTML document
|
|
*
|
|
* If $type isn't specified, will attempt to do content negotiation.
|
|
*
|
|
* Attempts to do content negotiation for language, also.
|
|
*
|
|
* @param string $type MIME type to use; default is to do negotation.
|
|
*
|
|
* @todo extract content negotiation code to an HTTP module or class.
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function startHTML($type=null)
|
|
{
|
|
if (!$type) {
|
|
$httpaccept = isset($_SERVER['HTTP_ACCEPT']) ?
|
|
$_SERVER['HTTP_ACCEPT'] : null;
|
|
|
|
// XXX: allow content negotiation for RDF, RSS, or XRDS
|
|
|
|
$cp = common_accept_to_prefs($httpaccept);
|
|
$sp = common_accept_to_prefs(PAGE_TYPE_PREFS);
|
|
|
|
$type = common_negotiate_type($cp, $sp);
|
|
|
|
if (!$type) {
|
|
throw new ClientException(_('This page is not available in a '.
|
|
'media type you accept'), 406);
|
|
}
|
|
}
|
|
|
|
header('Content-Type: '.$type);
|
|
|
|
$this->extraHeaders();
|
|
if( ! substr($type,0,strlen('text/html'))=='text/html' ){
|
|
// Browsers don't like it when <?xml it output for non-xhtml documents
|
|
$this->xw->startDocument('1.0', 'UTF-8');
|
|
}
|
|
$this->xw->writeDTD('html', $public, $system);
|
|
|
|
$language = $this->getLanguage();
|
|
|
|
$this->elementStart('html', array('xmlns' => 'http://www.w3.org/1999/xhtml',
|
|
'xml:lang' => $language,
|
|
'lang' => $language));
|
|
}
|
|
|
|
function getLanguage()
|
|
{
|
|
// FIXME: correct language for interface
|
|
return common_language();
|
|
}
|
|
|
|
/**
|
|
* Ends an HTML document
|
|
*
|
|
* @return void
|
|
*/
|
|
function endHTML()
|
|
{
|
|
$this->elementEnd('html');
|
|
$this->endXML();
|
|
}
|
|
|
|
/**
|
|
* To specify additional HTTP headers for the action
|
|
*
|
|
* @return void
|
|
*/
|
|
function extraHeaders()
|
|
{
|
|
// Needs to be overloaded
|
|
}
|
|
|
|
/**
|
|
* Output an HTML text input element
|
|
*
|
|
* Despite the name, it is specifically for outputting a
|
|
* text input element, not other <input> elements. It outputs
|
|
* a cluster of elements, including a <label> and an associated
|
|
* instructions span.
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $value value of the element, default null
|
|
* @param string $instructions instructions for valid input
|
|
*
|
|
* @todo add a $name parameter
|
|
* @todo add a $maxLength parameter
|
|
* @todo add a $size parameter
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function input($id, $label, $value=null, $instructions=null)
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
$attrs = array('name' => $id,
|
|
'type' => 'text',
|
|
'id' => $id);
|
|
if ($value) {
|
|
$attrs['value'] = $value;
|
|
}
|
|
$this->element('input', $attrs);
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML checkbox and associated elements
|
|
*
|
|
* Note that the value is default 'true' (the string), which can
|
|
* be used by Action::boolean()
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $checked if the box is checked, default false
|
|
* @param string $instructions instructions for valid input
|
|
* @param string $value value of the checkbox, default 'true'
|
|
* @param string $disabled show the checkbox disabled, default false
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function checkbox($id, $label, $checked=false, $instructions=null,
|
|
$value='true', $disabled=false)
|
|
{
|
|
$attrs = array('name' => $id,
|
|
'type' => 'checkbox',
|
|
'class' => 'checkbox',
|
|
'id' => $id);
|
|
if ($value) {
|
|
$attrs['value'] = $value;
|
|
}
|
|
if ($checked) {
|
|
$attrs['checked'] = 'checked';
|
|
}
|
|
if ($disabled) {
|
|
$attrs['disabled'] = 'true';
|
|
}
|
|
$this->element('input', $attrs);
|
|
$this->text(' ');
|
|
$this->element('label', array('class' => 'checkbox',
|
|
'for' => $id),
|
|
$label);
|
|
$this->text(' ');
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML combobox/select and associated elements
|
|
*
|
|
* $content is an array of key-value pairs for the dropdown, where
|
|
* the key is the option value attribute and the value is the option
|
|
* text. (Careful on the overuse of 'value' here.)
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param array $content options array, value => text
|
|
* @param string $instructions instructions for valid input
|
|
* @param string $blank_select whether to have a blank entry, default false
|
|
* @param string $selected selected value, default null
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function dropdown($id, $label, $content, $instructions=null,
|
|
$blank_select=false, $selected=null)
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
$this->elementStart('select', array('id' => $id, 'name' => $id));
|
|
if ($blank_select) {
|
|
$this->element('option', array('value' => ''));
|
|
}
|
|
foreach ($content as $value => $option) {
|
|
if ($value == $selected) {
|
|
$this->element('option', array('value' => $value,
|
|
'selected' => 'selected'),
|
|
$option);
|
|
} else {
|
|
$this->element('option', array('value' => $value), $option);
|
|
}
|
|
}
|
|
$this->elementEnd('select');
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML hidden element
|
|
*
|
|
* $id is re-used as name
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $value hidden element value, default null
|
|
* @param string $name name, if different than ID
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function hidden($id, $value, $name=null)
|
|
{
|
|
$this->element('input', array('name' => ($name) ? $name : $id,
|
|
'type' => 'hidden',
|
|
'id' => $id,
|
|
'value' => $value));
|
|
}
|
|
|
|
/**
|
|
* output an HTML password input and associated elements
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $instructions instructions for valid input
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function password($id, $label, $instructions=null)
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
$attrs = array('name' => $id,
|
|
'type' => 'password',
|
|
'class' => 'password',
|
|
'id' => $id);
|
|
$this->element('input', $attrs);
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML submit input and associated elements
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of the button
|
|
* @param string $cls class of the button, default 'submit'
|
|
* @param string $name name, if different than ID
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function submit($id, $label, $cls='submit', $name=null, $title=null)
|
|
{
|
|
$this->element('input', array('type' => 'submit',
|
|
'id' => $id,
|
|
'name' => ($name) ? $name : $id,
|
|
'class' => $cls,
|
|
'value' => $label,
|
|
'title' => $title));
|
|
}
|
|
|
|
/**
|
|
* output a script (almost always javascript) tag
|
|
*
|
|
* @param string $src relative or absolute script path
|
|
* @param string $type 'type' attribute value of the tag
|
|
*
|
|
* @return void
|
|
*/
|
|
function script($src, $type='text/javascript')
|
|
{
|
|
$url = parse_url($src);
|
|
if( empty($url->scheme) && empty($url->host) && empty($url->query) && empty($url->fragment))
|
|
{
|
|
$src = common_path($src) . '?version=' . LACONICA_VERSION;
|
|
}
|
|
$this->element('script', array('type' => $type,
|
|
'src' => $src),
|
|
' ');
|
|
}
|
|
|
|
/**
|
|
* output a css link
|
|
*
|
|
* @param string $src relative path within the theme directory, or an absolute path
|
|
* @param string $theme 'theme' that contains the stylesheet
|
|
* @param string media 'media' attribute of the tag
|
|
*
|
|
* @return void
|
|
*/
|
|
function cssLink($src,$theme=null,$media=null)
|
|
{
|
|
$url = parse_url($src);
|
|
if( empty($url->scheme) && empty($url->host) && empty($url->query) && empty($url->fragment))
|
|
{
|
|
if(file_exists(theme_file($src,$theme))){
|
|
$src = theme_path($src, $theme) . '?version=' . LACONICA_VERSION;
|
|
}else{
|
|
$src = common_path($src);
|
|
}
|
|
}
|
|
$this->element('link', array('rel' => 'stylesheet',
|
|
'type' => 'text/css',
|
|
'href' => $src,
|
|
'media' => $media));
|
|
}
|
|
|
|
/**
|
|
* output an HTML textarea and associated elements
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $content content of the textarea, default none
|
|
* @param string $instructions instructions for valid input
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
* @todo add a $cols parameter
|
|
* @todo add a $rows parameter
|
|
*/
|
|
|
|
function textarea($id, $label, $content=null, $instructions=null)
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
$this->element('textarea', array('rows' => 3,
|
|
'cols' => 40,
|
|
'name' => $id,
|
|
'id' => $id),
|
|
($content) ? $content : '');
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
}
|