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authorAleksander Machniak <alec@alec.pl>2012-11-21 19:52:03 +0100
committerAleksander Machniak <alec@alec.pl>2012-11-21 19:52:03 +0100
commitba6f21caeb405c7e8512a09941fefbc97286e45f (patch)
tree4a0e8f6fbab3260d37bf85cbf0bc9f506e627678 /program/lib/Roundcube/html.php
parentf707fec0001d7dc7d46be114c42b37e49a052660 (diff)
Framework files moved to lib/Roundcube
Diffstat (limited to 'program/lib/Roundcube/html.php')
-rw-r--r--program/lib/Roundcube/html.php849
1 files changed, 849 insertions, 0 deletions
diff --git a/program/lib/Roundcube/html.php b/program/lib/Roundcube/html.php
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+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/html.php |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
+ | |
+ | PURPOSE: |
+ | Helper class to create valid XHTML code |
+ | |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com> |
+ +-----------------------------------------------------------------------+
+*/
+
+
+/**
+ * Class for HTML code creation
+ *
+ * @package Framework
+ * @subpackage HTML
+ */
+class html
+{
+ protected $tagname;
+ protected $attrib = array();
+ protected $allowed = array();
+ protected $content;
+
+ public static $doctype = 'xhtml';
+ public static $lc_tags = true;
+ public static $common_attrib = array('id','class','style','title','align');
+ public static $containers = array('iframe','div','span','p','h1','h2','h3','form','textarea','table','thead','tbody','tr','th','td','style','script');
+
+ /**
+ * Constructor
+ *
+ * @param array $attrib Hash array with tag attributes
+ */
+ public function __construct($attrib = array())
+ {
+ if (is_array($attrib)) {
+ $this->attrib = $attrib;
+ }
+ }
+
+ /**
+ * Return the tag code
+ *
+ * @return string The finally composed HTML tag
+ */
+ public function show()
+ {
+ return self::tag($this->tagname, $this->attrib, $this->content, array_merge(self::$common_attrib, $this->allowed));
+ }
+
+ /****** STATIC METHODS *******/
+
+ /**
+ * Generic method to create a HTML tag
+ *
+ * @param string $tagname Tag name
+ * @param array $attrib Tag attributes as key/value pairs
+ * @param string $content Optinal Tag content (creates a container tag)
+ * @param array $allowed_attrib List with allowed attributes, omit to allow all
+ * @return string The XHTML tag
+ */
+ public static function tag($tagname, $attrib = array(), $content = null, $allowed_attrib = null)
+ {
+ if (is_string($attrib))
+ $attrib = array('class' => $attrib);
+
+ $inline_tags = array('a','span','img');
+ $suffix = $attrib['nl'] || ($content && $attrib['nl'] !== false && !in_array($tagname, $inline_tags)) ? "\n" : '';
+
+ $tagname = self::$lc_tags ? strtolower($tagname) : $tagname;
+ if (isset($content) || in_array($tagname, self::$containers)) {
+ $suffix = $attrib['noclose'] ? $suffix : '</' . $tagname . '>' . $suffix;
+ unset($attrib['noclose'], $attrib['nl']);
+ return '<' . $tagname . self::attrib_string($attrib, $allowed_attrib) . '>' . $content . $suffix;
+ }
+ else {
+ return '<' . $tagname . self::attrib_string($attrib, $allowed_attrib) . '>' . $suffix;
+ }
+ }
+
+ /**
+ *
+ */
+ public static function doctype($type)
+ {
+ $doctypes = array(
+ 'html5' => '<!DOCTYPE html>',
+ 'xhtml' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
+ 'xhtml-trans' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
+ 'xhtml-strict' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
+ );
+
+ if ($doctypes[$type]) {
+ self::$doctype = preg_replace('/-\w+$/', '', $type);
+ return $doctypes[$type];
+ }
+
+ return '';
+ }
+
+ /**
+ * Derrived method for <div> containers
+ *
+ * @param mixed $attr Hash array with tag attributes or string with class name
+ * @param string $cont Div content
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function div($attr = null, $cont = null)
+ {
+ if (is_string($attr)) {
+ $attr = array('class' => $attr);
+ }
+ return self::tag('div', $attr, $cont, array_merge(self::$common_attrib, array('onclick')));
+ }
+
+ /**
+ * Derrived method for <p> blocks
+ *
+ * @param mixed $attr Hash array with tag attributes or string with class name
+ * @param string $cont Paragraph content
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function p($attr = null, $cont = null)
+ {
+ if (is_string($attr)) {
+ $attr = array('class' => $attr);
+ }
+ return self::tag('p', $attr, $cont, self::$common_attrib);
+ }
+
+ /**
+ * Derrived method to create <img />
+ *
+ * @param mixed $attr Hash array with tag attributes or string with image source (src)
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function img($attr = null)
+ {
+ if (is_string($attr)) {
+ $attr = array('src' => $attr);
+ }
+ return self::tag('img', $attr + array('alt' => ''), null, array_merge(self::$common_attrib,
+ array('src','alt','width','height','border','usemap','onclick')));
+ }
+
+ /**
+ * Derrived method for link tags
+ *
+ * @param mixed $attr Hash array with tag attributes or string with link location (href)
+ * @param string $cont Link content
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function a($attr, $cont)
+ {
+ if (is_string($attr)) {
+ $attr = array('href' => $attr);
+ }
+ return self::tag('a', $attr, $cont, array_merge(self::$common_attrib,
+ array('href','target','name','rel','onclick','onmouseover','onmouseout','onmousedown','onmouseup')));
+ }
+
+ /**
+ * Derrived method for inline span tags
+ *
+ * @param mixed $attr Hash array with tag attributes or string with class name
+ * @param string $cont Tag content
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function span($attr, $cont)
+ {
+ if (is_string($attr)) {
+ $attr = array('class' => $attr);
+ }
+ return self::tag('span', $attr, $cont, self::$common_attrib);
+ }
+
+ /**
+ * Derrived method for form element labels
+ *
+ * @param mixed $attr Hash array with tag attributes or string with 'for' attrib
+ * @param string $cont Tag content
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function label($attr, $cont)
+ {
+ if (is_string($attr)) {
+ $attr = array('for' => $attr);
+ }
+ return self::tag('label', $attr, $cont, array_merge(self::$common_attrib, array('for')));
+ }
+
+ /**
+ * Derrived method to create <iframe></iframe>
+ *
+ * @param mixed $attr Hash array with tag attributes or string with frame source (src)
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function iframe($attr = null, $cont = null)
+ {
+ if (is_string($attr)) {
+ $attr = array('src' => $attr);
+ }
+ return self::tag('iframe', $attr, $cont, array_merge(self::$common_attrib,
+ array('src','name','width','height','border','frameborder')));
+ }
+
+ /**
+ * Derrived method to create <script> tags
+ *
+ * @param mixed $attr Hash array with tag attributes or string with script source (src)
+ * @param string $cont Javascript code to be placed as tag content
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function script($attr, $cont = null)
+ {
+ if (is_string($attr)) {
+ $attr = array('src' => $attr);
+ }
+ if ($cont) {
+ if (self::$doctype == 'xhtml')
+ $cont = "\n/* <![CDATA[ */\n" . $cont . "\n/* ]]> */\n";
+ else
+ $cont = "\n" . $cont . "\n";
+ }
+
+ return self::tag('script', $attr + array('type' => 'text/javascript', 'nl' => true),
+ $cont, array_merge(self::$common_attrib, array('src','type','charset')));
+ }
+
+ /**
+ * Derrived method for line breaks
+ *
+ * @return string HTML code
+ * @see html::tag()
+ */
+ public static function br($attrib = array())
+ {
+ return self::tag('br', $attrib);
+ }
+
+ /**
+ * Create string with attributes
+ *
+ * @param array $attrib Associative arry with tag attributes
+ * @param array $allowed List of allowed attributes
+ * @return string Valid attribute string
+ */
+ public static function attrib_string($attrib = array(), $allowed = null)
+ {
+ if (empty($attrib)) {
+ return '';
+ }
+
+ $allowed_f = array_flip((array)$allowed);
+ $attrib_arr = array();
+ foreach ($attrib as $key => $value) {
+ // skip size if not numeric
+ if ($key == 'size' && !is_numeric($value)) {
+ continue;
+ }
+
+ // ignore "internal" or not allowed attributes
+ if ($key == 'nl' || ($allowed && !isset($allowed_f[$key])) || $value === null) {
+ continue;
+ }
+
+ // skip empty eventhandlers
+ if (preg_match('/^on[a-z]+/', $key) && !$value) {
+ continue;
+ }
+
+ // attributes with no value
+ if (in_array($key, array('checked', 'multiple', 'disabled', 'selected'))) {
+ if ($value) {
+ $attrib_arr[] = $key . '="' . $key . '"';
+ }
+ }
+ else {
+ $attrib_arr[] = $key . '="' . self::quote($value) . '"';
+ }
+ }
+
+ return count($attrib_arr) ? ' '.implode(' ', $attrib_arr) : '';
+ }
+
+ /**
+ * Convert a HTML attribute string attributes to an associative array (name => value)
+ *
+ * @param string Input string
+ * @return array Key-value pairs of parsed attributes
+ */
+ public static function parse_attrib_string($str)
+ {
+ $attrib = array();
+ $regexp = '/\s*([-_a-z]+)=(["\'])??(?(2)([^\2]*)\2|(\S+?))/Ui';
+
+ preg_match_all($regexp, stripslashes($str), $regs, PREG_SET_ORDER);
+
+ // convert attributes to an associative array (name => value)
+ if ($regs) {
+ foreach ($regs as $attr) {
+ $attrib[strtolower($attr[1])] = html_entity_decode($attr[3] . $attr[4]);
+ }
+ }
+
+ return $attrib;
+ }
+
+ /**
+ * Replacing specials characters in html attribute value
+ *
+ * @param string $str Input string
+ *
+ * @return string The quoted string
+ */
+ public static function quote($str)
+ {
+ return @htmlspecialchars($str, ENT_COMPAT, RCMAIL_CHARSET);
+ }
+}
+
+
+/**
+ * Class to create an HTML input field
+ *
+ * @package HTML
+ */
+class html_inputfield extends html
+{
+ protected $tagname = 'input';
+ protected $type = 'text';
+ protected $allowed = array(
+ 'type','name','value','size','tabindex','autocapitalize',
+ 'autocomplete','checked','onchange','onclick','disabled','readonly',
+ 'spellcheck','results','maxlength','src','multiple','placeholder',
+ );
+
+ /**
+ * Object constructor
+ *
+ * @param array $attrib Associative array with tag attributes
+ */
+ public function __construct($attrib = array())
+ {
+ if (is_array($attrib)) {
+ $this->attrib = $attrib;
+ }
+
+ if ($attrib['type']) {
+ $this->type = $attrib['type'];
+ }
+ }
+
+ /**
+ * Compose input tag
+ *
+ * @param string $value Field value
+ * @param array $attrib Additional attributes to override
+ * @return string HTML output
+ */
+ public function show($value = null, $attrib = null)
+ {
+ // overwrite object attributes
+ if (is_array($attrib)) {
+ $this->attrib = array_merge($this->attrib, $attrib);
+ }
+
+ // set value attribute
+ if ($value !== null) {
+ $this->attrib['value'] = $value;
+ }
+ // set type
+ $this->attrib['type'] = $this->type;
+ return parent::show();
+ }
+}
+
+/**
+ * Class to create an HTML password field
+ *
+ * @package HTML
+ */
+class html_passwordfield extends html_inputfield
+{
+ protected $type = 'password';
+}
+
+/**
+ * Class to create an hidden HTML input field
+ *
+ * @package HTML
+ */
+
+class html_hiddenfield extends html
+{
+ protected $tagname = 'input';
+ protected $type = 'hidden';
+ protected $fields_arr = array();
+ protected $allowed = array('type','name','value','onchange','disabled','readonly');
+
+ /**
+ * Constructor
+ *
+ * @param array $attrib Named tag attributes
+ */
+ public function __construct($attrib = null)
+ {
+ if (is_array($attrib)) {
+ $this->add($attrib);
+ }
+ }
+
+ /**
+ * Add a hidden field to this instance
+ *
+ * @param array $attrib Named tag attributes
+ */
+ public function add($attrib)
+ {
+ $this->fields_arr[] = $attrib;
+ }
+
+ /**
+ * Create HTML code for the hidden fields
+ *
+ * @return string Final HTML code
+ */
+ public function show()
+ {
+ $out = '';
+ foreach ($this->fields_arr as $attrib) {
+ $out .= self::tag($this->tagname, array('type' => $this->type) + $attrib);
+ }
+ return $out;
+ }
+}
+
+/**
+ * Class to create HTML radio buttons
+ *
+ * @package HTML
+ */
+class html_radiobutton extends html_inputfield
+{
+ protected $type = 'radio';
+
+ /**
+ * Get HTML code for this object
+ *
+ * @param string $value Value of the checked field
+ * @param array $attrib Additional attributes to override
+ * @return string HTML output
+ */
+ public function show($value = '', $attrib = null)
+ {
+ // overwrite object attributes
+ if (is_array($attrib)) {
+ $this->attrib = array_merge($this->attrib, $attrib);
+ }
+
+ // set value attribute
+ $this->attrib['checked'] = ((string)$value == (string)$this->attrib['value']);
+
+ return parent::show();
+ }
+}
+
+/**
+ * Class to create HTML checkboxes
+ *
+ * @package HTML
+ */
+class html_checkbox extends html_inputfield
+{
+ protected $type = 'checkbox';
+
+ /**
+ * Get HTML code for this object
+ *
+ * @param string $value Value of the checked field
+ * @param array $attrib Additional attributes to override
+ * @return string HTML output
+ */
+ public function show($value = '', $attrib = null)
+ {
+ // overwrite object attributes
+ if (is_array($attrib)) {
+ $this->attrib = array_merge($this->attrib, $attrib);
+ }
+
+ // set value attribute
+ $this->attrib['checked'] = ((string)$value == (string)$this->attrib['value']);
+
+ return parent::show();
+ }
+}
+
+/**
+ * Class to create an HTML textarea
+ *
+ * @package HTML
+ */
+class html_textarea extends html
+{
+ protected $tagname = 'textarea';
+ protected $allowed = array('name','rows','cols','wrap','tabindex',
+ 'onchange','disabled','readonly','spellcheck');
+
+ /**
+ * Get HTML code for this object
+ *
+ * @param string $value Textbox value
+ * @param array $attrib Additional attributes to override
+ * @return string HTML output
+ */
+ public function show($value = '', $attrib = null)
+ {
+ // overwrite object attributes
+ if (is_array($attrib)) {
+ $this->attrib = array_merge($this->attrib, $attrib);
+ }
+
+ // take value attribute as content
+ if (empty($value) && !empty($this->attrib['value'])) {
+ $value = $this->attrib['value'];
+ }
+
+ // make shure we don't print the value attribute
+ if (isset($this->attrib['value'])) {
+ unset($this->attrib['value']);
+ }
+
+ if (!empty($value) && empty($this->attrib['is_escaped'])) {
+ $value = self::quote($value);
+ }
+
+ return self::tag($this->tagname, $this->attrib, $value,
+ array_merge(self::$common_attrib, $this->allowed));
+ }
+}
+
+/**
+ * Builder for HTML drop-down menus
+ * Syntax:<pre>
+ * // create instance. arguments are used to set attributes of select-tag
+ * $select = new html_select(array('name' => 'fieldname'));
+ *
+ * // add one option
+ * $select->add('Switzerland', 'CH');
+ *
+ * // add multiple options
+ * $select->add(array('Switzerland','Germany'), array('CH','DE'));
+ *
+ * // generate pulldown with selection 'Switzerland' and return html-code
+ * // as second argument the same attributes available to instanciate can be used
+ * print $select->show('CH');
+ * </pre>
+ *
+ * @package HTML
+ */
+class html_select extends html
+{
+ protected $tagname = 'select';
+ protected $options = array();
+ protected $allowed = array('name','size','tabindex','autocomplete',
+ 'multiple','onchange','disabled','rel');
+
+ /**
+ * Add a new option to this drop-down
+ *
+ * @param mixed $names Option name or array with option names
+ * @param mixed $values Option value or array with option values
+ */
+ public function add($names, $values = null)
+ {
+ if (is_array($names)) {
+ foreach ($names as $i => $text) {
+ $this->options[] = array('text' => $text, 'value' => $values[$i]);
+ }
+ }
+ else {
+ $this->options[] = array('text' => $names, 'value' => $values);
+ }
+ }
+
+ /**
+ * Get HTML code for this object
+ *
+ * @param string $select Value of the selection option
+ * @param array $attrib Additional attributes to override
+ * @return string HTML output
+ */
+ public function show($select = array(), $attrib = null)
+ {
+ // overwrite object attributes
+ if (is_array($attrib)) {
+ $this->attrib = array_merge($this->attrib, $attrib);
+ }
+
+ $this->content = "\n";
+ $select = (array)$select;
+ foreach ($this->options as $option) {
+ $attr = array(
+ 'value' => $option['value'],
+ 'selected' => (in_array($option['value'], $select, true) ||
+ in_array($option['text'], $select, true)) ? 1 : null);
+
+ $option_content = $option['text'];
+ if (empty($this->attrib['is_escaped'])) {
+ $option_content = self::quote($option_content);
+ }
+
+ $this->content .= self::tag('option', $attr, $option_content);
+ }
+
+ return parent::show();
+ }
+}
+
+
+/**
+ * Class to build an HTML table
+ *
+ * @package HTML
+ */
+class html_table extends html
+{
+ protected $tagname = 'table';
+ protected $allowed = array('id','class','style','width','summary',
+ 'cellpadding','cellspacing','border');
+
+ private $header = array();
+ private $rows = array();
+ private $rowindex = 0;
+ private $colindex = 0;
+
+ /**
+ * Constructor
+ *
+ * @param array $attrib Named tag attributes
+ */
+ public function __construct($attrib = array())
+ {
+ $default_attrib = self::$doctype == 'xhtml' ? array('summary' => '', 'border' => 0) : array();
+ $this->attrib = array_merge($attrib, $default_attrib);
+ }
+
+ /**
+ * Add a table cell
+ *
+ * @param array $attr Cell attributes
+ * @param string $cont Cell content
+ */
+ public function add($attr, $cont)
+ {
+ if (is_string($attr)) {
+ $attr = array('class' => $attr);
+ }
+
+ $cell = new stdClass;
+ $cell->attrib = $attr;
+ $cell->content = $cont;
+
+ $this->rows[$this->rowindex]->cells[$this->colindex] = $cell;
+ $this->colindex += max(1, intval($attr['colspan']));
+
+ if ($this->attrib['cols'] && $this->colindex >= $this->attrib['cols']) {
+ $this->add_row();
+ }
+ }
+
+ /**
+ * Add a table header cell
+ *
+ * @param array $attr Cell attributes
+ * @param string $cont Cell content
+ */
+ public function add_header($attr, $cont)
+ {
+ if (is_string($attr)) {
+ $attr = array('class' => $attr);
+ }
+
+ $cell = new stdClass;
+ $cell->attrib = $attr;
+ $cell->content = $cont;
+ $this->header[] = $cell;
+ }
+
+ /**
+ * Remove a column from a table
+ * Useful for plugins making alterations
+ *
+ * @param string $class
+ */
+ public function remove_column($class)
+ {
+ // Remove the header
+ foreach ($this->header as $index=>$header){
+ if ($header->attrib['class'] == $class){
+ unset($this->header[$index]);
+ break;
+ }
+ }
+
+ // Remove cells from rows
+ foreach ($this->rows as $i=>$row){
+ foreach ($row->cells as $j=>$cell){
+ if ($cell->attrib['class'] == $class){
+ unset($this->rows[$i]->cells[$j]);
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Jump to next row
+ *
+ * @param array $attr Row attributes
+ */
+ public function add_row($attr = array())
+ {
+ $this->rowindex++;
+ $this->colindex = 0;
+ $this->rows[$this->rowindex] = new stdClass;
+ $this->rows[$this->rowindex]->attrib = $attr;
+ $this->rows[$this->rowindex]->cells = array();
+ }
+
+ /**
+ * Set row attributes
+ *
+ * @param array $attr Row attributes
+ * @param int $index Optional row index (default current row index)
+ */
+ public function set_row_attribs($attr = array(), $index = null)
+ {
+ if (is_string($attr)) {
+ $attr = array('class' => $attr);
+ }
+
+ if ($index === null) {
+ $index = $this->rowindex;
+ }
+
+ $this->rows[$index]->attrib = $attr;
+ }
+
+ /**
+ * Get row attributes
+ *
+ * @param int $index Row index
+ *
+ * @return array Row attributes
+ */
+ public function get_row_attribs($index = null)
+ {
+ if ($index === null) {
+ $index = $this->rowindex;
+ }
+
+ return $this->rows[$index] ? $this->rows[$index]->attrib : null;
+ }
+
+ /**
+ * Build HTML output of the table data
+ *
+ * @param array $attrib Table attributes
+ * @return string The final table HTML code
+ */
+ public function show($attrib = null)
+ {
+ if (is_array($attrib))
+ $this->attrib = array_merge($this->attrib, $attrib);
+
+ $thead = $tbody = "";
+
+ // include <thead>
+ if (!empty($this->header)) {
+ $rowcontent = '';
+ foreach ($this->header as $c => $col) {
+ $rowcontent .= self::tag('td', $col->attrib, $col->content);
+ }
+ $thead = self::tag('thead', null, self::tag('tr', null, $rowcontent, parent::$common_attrib));
+ }
+
+ foreach ($this->rows as $r => $row) {
+ $rowcontent = '';
+ foreach ($row->cells as $c => $col) {
+ $rowcontent .= self::tag('td', $col->attrib, $col->content);
+ }
+
+ if ($r < $this->rowindex || count($row->cells)) {
+ $tbody .= self::tag('tr', $row->attrib, $rowcontent, parent::$common_attrib);
+ }
+ }
+
+ if ($this->attrib['rowsonly']) {
+ return $tbody;
+ }
+
+ // add <tbody>
+ $this->content = $thead . self::tag('tbody', null, $tbody);
+
+ unset($this->attrib['cols'], $this->attrib['rowsonly']);
+ return parent::show();
+ }
+
+ /**
+ * Count number of rows
+ *
+ * @return The number of rows
+ */
+ public function size()
+ {
+ return count($this->rows);
+ }
+
+ /**
+ * Remove table body (all rows)
+ */
+ public function remove_body()
+ {
+ $this->rows = array();
+ $this->rowindex = 0;
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 20:45:28 +0000