--- /dev/null
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * HTML class for an autocomplete element
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category HTML
+ * @package HTML_QuickForm
+ * @author Matteo Di Giovinazzo <matteodg@infinito.it>
+ * @copyright 2001-2011 The PHP Group
+ * @license http://www.php.net/license/3_01.txt PHP License 3.01
+ * @version CVS: $Id$
+ * @link http://pear.php.net/package/HTML_QuickForm
+ */
+
+/**
+ * HTML class for a text field
+ */
+require_once 'HTML/QuickForm/text.php';
+
+/**
+ * HTML class for an autocomplete element
+ *
+ * Creates an HTML input text element that
+ * at every keypressed javascript event checks in an array of options
+ * if there's a match and autocompletes the text in case of match.
+ *
+ * For the JavaScript code thanks to Martin Honnen and Nicholas C. Zakas
+ * See {@link http://www.faqts.com/knowledge_base/view.phtml/aid/13562} and
+ * {@link http://www.sitepoint.com/article/1220}
+ *
+ * Example:
+ * <code>
+ * $autocomplete =& $form->addElement('autocomplete', 'fruit', 'Favourite fruit:');
+ * $options = array("Apple", "Orange", "Pear", "Strawberry");
+ * $autocomplete->setOptions($options);
+ * </code>
+ *
+ * @category HTML
+ * @package HTML_QuickForm
+ * @author Matteo Di Giovinazzo <matteodg@infinito.it>
+ * @version Release: 3.2.16
+ * @since 3.2
+ */
+class HTML_QuickForm_autocomplete extends HTML_QuickForm_text
+{
+ // {{{ properties
+
+ /**
+ * Options for the autocomplete input text element
+ *
+ * @var array
+ * @access private
+ */
+ var $_options = array();
+
+ /**
+ * "One-time" javascript (containing functions), see bug #4611
+ *
+ * @var string
+ * @access private
+ */
+ var $_js = '';
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Class constructor
+ *
+ * @param string $elementName (optional)Input field name attribute
+ * @param string $elementLabel (optional)Input field label in form
+ * @param array $options (optional)Autocomplete options
+ * @param mixed $attributes (optional)Either a typical HTML attribute string
+ * or an associative array. Date format is passed along the attributes.
+ * @access public
+ * @return void
+ */
+ function HTML_QuickForm_autocomplete($elementName = null, $elementLabel = null, $options = null, $attributes = null)
+ {
+ $this->HTML_QuickForm_text($elementName, $elementLabel, $attributes);
+ $this->_persistantFreeze = true;
+ $this->_type = 'autocomplete';
+ if (isset($options)) {
+ $this->setOptions($options);
+ }
+ } //end constructor
+
+ // }}}
+ // {{{ setOptions()
+
+ /**
+ * Sets the options for the autocomplete input text element
+ *
+ * @param array $options Array of options for the autocomplete input text element
+ * @access public
+ * @return void
+ */
+ function setOptions($options)
+ {
+ $this->_options = array_values($options);
+ } // end func setOptions
+
+ // }}}
+ // {{{ toHtml()
+
+ /**
+ * Returns Html for the autocomplete input text element
+ *
+ * @access public
+ * @return string
+ */
+ function toHtml()
+ {
+ // prevent problems with grouped elements
+ $arrayName = str_replace(array('[', ']'), array('__', ''), $this->getName()) . '_values';
+
+ $this->updateAttributes(array(
+ 'onkeypress' => 'return window.autocomplete(this, event, ' . $arrayName . ');'
+ ));
+ if ($this->_flagFrozen) {
+ $js = '';
+ } else {
+ $js = "<script type=\"text/javascript\">\n//<![CDATA[\n";
+ if (!defined('HTML_QUICKFORM_AUTOCOMPLETE_EXISTS')) {
+ $this->_js .= <<<EOS
+
+/* begin javascript for autocomplete */
+function setSelectionRange(input, selectionStart, selectionEnd) {
+ if (input.setSelectionRange) {
+ input.setSelectionRange(selectionStart, selectionEnd);
+ }
+ else if (input.createTextRange) {
+ var range = input.createTextRange();
+ range.collapse(true);
+ range.moveEnd("character", selectionEnd);
+ range.moveStart("character", selectionStart);
+ range.select();
+ }
+ input.focus();
+}
+
+function setCaretToPosition(input, position) {
+ setSelectionRange(input, position, position);
+}
+
+function replaceSelection (input, replaceString) {
+ var len = replaceString.length;
+ if (input.setSelectionRange) {
+ var selectionStart = input.selectionStart;
+ var selectionEnd = input.selectionEnd;
+
+ input.value = input.value.substring(0, selectionStart) + replaceString + input.value.substring(selectionEnd);
+ input.selectionStart = selectionStart + len;
+ input.selectionEnd = selectionStart + len;
+ }
+ else if (document.selection) {
+ var range = document.selection.createRange();
+ var saved_range = range.duplicate();
+
+ if (range.parentElement() == input) {
+ range.text = replaceString;
+ range.moveEnd("character", saved_range.selectionStart + len);
+ range.moveStart("character", saved_range.selectionStart + len);
+ range.select();
+ }
+ }
+ input.focus();
+}
+
+
+function autocompleteMatch (text, values) {
+ for (var i = 0; i < values.length; i++) {
+ if (values[i].toUpperCase().indexOf(text.toUpperCase()) == 0) {
+ return values[i];
+ }
+ }
+
+ return null;
+}
+
+function autocomplete(textbox, event, values) {
+ if (textbox.setSelectionRange || textbox.createTextRange) {
+ switch (event.keyCode) {
+ case 38: // up arrow
+ case 40: // down arrow
+ case 37: // left arrow
+ case 39: // right arrow
+ case 33: // page up
+ case 34: // page down
+ case 36: // home
+ case 35: // end
+ case 13: // enter
+ case 9: // tab
+ case 27: // esc
+ case 16: // shift
+ case 17: // ctrl
+ case 18: // alt
+ case 20: // caps lock
+ case 8: // backspace
+ case 46: // delete
+ return true;
+ break;
+
+ default:
+ var c = String.fromCharCode(
+ (event.charCode == undefined) ? event.keyCode : event.charCode
+ );
+ replaceSelection(textbox, c);
+ sMatch = autocompleteMatch(textbox.value, values);
+ var len = textbox.value.length;
+
+ if (sMatch != null) {
+ textbox.value = sMatch;
+ setSelectionRange(textbox, len, textbox.value.length);
+ }
+ return false;
+ }
+ }
+ else {
+ return true;
+ }
+}
+/* end javascript for autocomplete */
+
+EOS;
+ define('HTML_QUICKFORM_AUTOCOMPLETE_EXISTS', true);
+ }
+ $jsEscape = array(
+ "\r" => '\r',
+ "\n" => '\n',
+ "\t" => '\t',
+ "'" => "\\'",
+ '"' => '\"',
+ '\\' => '\\\\'
+ );
+
+ $js .= $this->_js;
+ $js .= 'var ' . $arrayName . " = new Array();\n";
+ for ($i = 0; $i < count($this->_options); $i++) {
+ $js .= $arrayName . '[' . $i . "] = '" . strtr($this->_options[$i], $jsEscape) . "';\n";
+ }
+ $js .= "//]]>\n</script>";
+ }
+ return $js . parent::toHtml();
+ }// end func toHtml
+
+ // }}}
+} // end class HTML_QuickForm_autocomplete
+?>
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