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New module 'Autosave'

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Manuel Cillero 2017-07-26 12:44:49 +02:00
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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0. This License applies to any program or other work which contains
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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DESCRIPTION
===========
The Autosave module automatically saves a node after a period of time. Content types that can be autosaved as well as the
period of time a node is autosaved, is configurable.
Autosaved nodes are are saved as a snap shot of the form.
NOTE: this version of autosave only works for single form (of selected node type) on a page.
DEPENDENCIES
============
Includes the jQuery Form Plugin which was downloaded from here: http://dev.jquery.com/browser/trunk/plugins/form/jquery.form.js?format=txt
NOTE: the plugin has been modified to work with Drupal field names
INSTALLATION
============
1. Place the "autosave" folder in your "modules" directory (i.e. modules/autosave).
2. Enable the Autosave module under Administer >> Site building >> Modules.
3. Under config for a node type select it to use Autosave.
5. Under Admin -> Site Config -> Autosave enter the period of time before each autosave (in milliseconds).
AUTHOR
======
original concept by Edmund Kwok (edmund.kwok [at] insyghtful.com)
Drupal 6 version and current maintainer: Peter Lindstrom of LiquidCMS
CHANGE LOG
==========
- 6.x-2.0 version is a complete re-write to remove dependencies on TinyMCE.
- this version is now tied to the WYSIWYG module and currently is known to work with FCK, CK and TinyMCE 3.0 editors but requires
the 6.x-2.x-dev version of WYSIWYG with this patch: http://drupal.org/node/614146#comment-2193764; this patch should be commited soon and will
eventually be expanded to include other editors.

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#autosave-status {
display: none;
text-align:left;
z-index:99;
color:#FFF;
background:#37a;
position:fixed;
width:100%;
height: 2em;
bottom:0px; right:0px;
overflow:hidden;
}
#autosave-status img .left-arrow{
position: absolute;
top: -6px;
margin-left: 50px;
}
#autosave-status img .right-arrow{
position: absolute;
top: -6px;
margin-left: 20px;
}
#autosave-status .arrow {
background-color:#66A1CC;
border:1px solid #2E516B;
color:#2E516B;
display:inline;
height:15px;
margin-left:60px;
margin-top:4px;
position:absolute;
text-align:center;
width:15px;
line-height:1em;
}
#autosave-status #right-arrow {
margin-left: 80px;
}
#autosave-status .disabled {
background-color: #3174A5;
}
#autosave-status .enabled:hover {
background-color: #B3D0E6;
text-decoration: none;
cursor: pointer;
}
#autosave-status #status {
margin-left: 5px;
}
#autosave-status #view a {
margin-left: 40px;
color: #FFF;
text-decoration: underline;
}
#autosave-status #delete a {
margin-left: 20px;
color: #FFF;
text-decoration: underline;
}
#autosave-status a {
margin-left: 20px;
color: #FFF;
text-decoration: underline;
}

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name = Autosave
description = Saves node edits in the background in case browser dies while editing.
package = Other
project = autosave
core = 6.x
; Information added by drupal.org packaging script on 2012-08-06
version = "6.x-2.11"
core = "6.x"
project = "autosave"
datestamp = "1344266211"

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<?php
/**
* Implementation of hook_enable().
*/
function autosave_enable() {
drupal_set_message(t('Autosave module successfully installed. Please review the <a href="@settings">configuration settings</a>.', array('@settings' => url('admin/settings/autosave'))));
}
/**
* Implementation of hook_install().
*/
function autosave_install() {
drupal_install_schema('autosave');
}
/**
* Implementation of hook_uninstall().
*/
function autosave_uninstall() {
drupal_uninstall_schema('autosave');
}
/**
* Implementation of hook_schema()
*/
function autosave_schema() {
return array(
'autosaved_forms' => array(
'description' => 'Saves the input (POST) contents of partially filled forms for restoration by the autosave module.',
'fields' => array(
'form_id' => array(
'type' => 'varchar',
'length' => 64,
'not null' => TRUE,
),
'path' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
),
'uid' => array(
'type' => 'int',
'length' => 11,
'not null' => TRUE,
'default' => 0,
),
'timestamp' => array(
'type' => 'int',
'length' => 11,
'not null' => TRUE,
'default' => 0,
),
'serialized' => array(
'type' => 'text',
'not null' => TRUE,
'size' => 'big',
),
),
'primary key' => array('form_id', 'path', 'uid'),
),
);
}

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var autosaved_form;
if (Drupal.jsEnabled) {
$(document).ready(function() {
$('body').append('<div id="autosave-status"><span id="status"></span><span id="operations"> \
<span id="view"><a class="view" title="' + Drupal.t("Show Last Autosaved Version") + '" href="#">' + Drupal.t("View") + '</a></span> \
<span id="ignore"><a href="#" title="' + Drupal.t("Use Last Saved Version") + '">' + Drupal.t("Ignore") + '</a></span> \
<span id="keep"><a href="#" title="' + Drupal.t("Use Autosaved Version") + '">' + Drupal.t("Keep") + '</a></span></span></div>');
autosaved = Drupal.settings.autosave;
autosaved_form_id = 'node-form';
if (autosaved.serialized) {
$('#autosave-status #keep').css('display', 'none').css('visibility', 'hidden');
$('#autosave-status #view a').click(function() {
if ($(this).attr('class') == 'view') {
$('#' + autosaved_form_id).formHash(autosaved.serialized);
if (Drupal.settings.autosave.wysiwyg && Drupal.wysiwyg) {
// need to loop through any WYSIWYG editor fields and update the visible iframe fields with hidden field content
for (var instance in Drupal.wysiwyg.instances) {
Drupal.wysiwyg.instances[instance].setContent($('#' + instance).val());
}
}
//CKEditor support
if (typeof(CKEDITOR) != 'undefined' ) {
for (var instance in CKEDITOR.instances) {
CKEDITOR.instances[instance].setData($('#' + instance).val());
}
}
$('#' + autosaved_form_id).focus();
$(this).removeClass('view').addClass('reset');
$(this).html(Drupal.t('Reset'));
$('#autosave-status #view a').attr('title', Drupal.t("Return to Last Saved Version"));
$('#autosave-status #keep').css('display', 'inline').css('visibility', 'visible');
$('#autosave-status #keep a').html(Drupal.t('Keep'));
}
else if ($(this).attr('class') == 'reset') {
$(this).removeClass('reset').addClass('view');
form = document.getElementById(autosaved_form_id);
form.reset();
//CKEditor support
if (typeof(CKEDITOR) != 'undefined' ) {
for (var instance in CKEDITOR.instances) {
CKEDITOR.instances[instance].setData($('#' + instance).val());
}
}
$('#autosave-status #keep').css('display', 'none').css('visibility', 'hidden');
$(this).html(Drupal.t('View'));
}
return false;
});
$('#autosave-status #ignore a').click(function() {
$('#autosave-status').fadeOut('slow');
form = document.getElementById(autosaved_form_id);
form.reset();
//CKEditor support
if (typeof(CKEDITOR) != 'undefined' ) {
for (var instance in CKEDITOR.instances) {
CKEDITOR.instances[instance].setData($('#' + instance).val());
}
}
$('#autosave-status #operations').css('display', 'none').css('visibility', 'hidden');
Drupal.attachAutosave();
return false;
});
$('#autosave-status #keep a').click(function() {
$('#autosave-status').fadeOut('slow');
form = document.getElementById(autosaved_form_id);
$('#autosave-status #operations').css('display', 'none').css('visibility', 'hidden');
Drupal.attachAutosave();
return false;
});
$('#autosave-status #status').html(Drupal.t('This form was autosaved on @date', {'@date' : autosaved.saved_date}));
$('#autosave-status').slideDown();
}
// There are no autosaved forms, continue with autosave.
else {
Drupal.attachAutosave();
}
});
}
Drupal.saveForm = function() {
if (Drupal.settings.autosave.wysiwyg && Drupal.wysiwyg) {
// need to loop through any WYSIWYG editor fields and update the real (hidden) text fields before saving
for (var instance in Drupal.wysiwyg.instances) {
if (Drupal.wysiwyg.instances[instance].editor != 'none') {
var content = Drupal.wysiwyg.instances[instance].getContent();
$('#' + instance).val(content);
}
}
}
//CKEditor support
if (typeof(CKEDITOR) != 'undefined') {
for (var instance in CKEDITOR.instances) {
CKEDITOR.instances[instance].updateElement();
}
}
var serialized = $('#node-form').formHash();
serialized['autosave_path'] = Drupal.settings.autosave.autosave_path;
$.ajax({
url: Drupal.settings.autosave.url,
type: "POST",
dataType: "xml/html/script/json",
data: serialized,
complete: function(XMLHttpRequest, textStatus) {
if (!Drupal.settings.autosave.hidden) Drupal.displaySaved();
Drupal.attachAutosave();
}
});
}
Drupal.attachAutosave = function() {
setTimeout('Drupal.saveForm()', Drupal.settings.autosave.period * 1000);
}
Drupal.displaySaved = function() {
$('#autosave-status #status').html(Drupal.t('Form autosaved.'));
$('#autosave-status #operations').css('display', 'none').css('visibility', 'hidden');
$('#autosave-status').slideDown();
setTimeout("$('#autosave-status').fadeOut('slow')", 3000);
}

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<?php
// $Id: autosave.module,v 1.9 2009/11/06 00:41:16 ptalindstrom Exp $
/**
* @file
* Does background saves of node being edited.
*/
define('AUTOSAVE_PATH', drupal_get_path('module', 'autosave'));
/**
* Implementation of hook_help().
*/
function autosave_help($path, $arg) {
$output = '';
switch ($path) {
case 'admin/help#autosave':
$output = '<p>'. t('The autosave module automatically saves a form after a period of time.') .'</p>';
break;
}
return $output;
}
/**
* Implementation of hook_menu().
*/
function autosave_menu() {
$items['autosave/handler/%'] = array(
'title' => 'Autosave save',
'page callback' => 'autosave_save',
'access callback' => 'autosave_save_access',
'type' => MENU_CALLBACK,
);
$items['admin/settings/autosave'] = array(
'title' => 'Autosave',
'description' => 'Configure autosave settings.',
'page callback' => 'drupal_get_form',
'page arguments' => array('autosave_admin_settings'),
'access arguments' => array('administer nodes'),
);
return $items;
}
/**
* Access callback for the form save menu callback.
*
*
* For security reasons, we need to confirm that the user would have access
* to the page where the form lives in the first place. If they don't, they
* should not be able to access its saved version. We also check that the
* form's token is correct to avoid CSRF attacks.
*
* Because the form data is not available to us, the only way we can access
* the path is by checking $_POST directly. Sux.
*
* @return boolean
* True if this user should have access to save this form, false otherwise.
*/
function autosave_save_access() {
$path = trim($_POST['autosave_path'], '/');
$menu_item = menu_get_item($path);
$token = isset($_POST['form_token'], $_POST['form_id']) && drupal_valid_token($_POST['form_token'], $_POST['form_id']);
$menu = isset($menu_item['access']) ? $menu_item['access'] : FALSE;
return $token && $menu;
}
/**
* Menu callback; return the autosave module settings form.
*/
function autosave_admin_settings() {
$form['autosave_period'] = array(
'#type' => 'textfield',
'#title' => t('Autosave after this amount seconds has passed'),
'#default_value' => variable_get('autosave_period', 10),
);
$form['autosave_hidden'] = array(
'#prefix' => '<div class="form-item"><label for="edit-autosave-hidden">'. t('Stealth Mode') . '</label>',
'#type' => 'checkbox',
'#title' => t('Run in stealth mode'),
'#description' => t('If this check box is selected no popup will appear notifying user that the form has been autosaved.'),
'#default_value' => variable_get('autosave_hidden', 0),
'#suffix' => "</div>",
);
return system_settings_form($form);
}
/**
* Implementation of hook_form_alter() for node_type_form
*/
function autosave_form_node_type_form_alter(&$form, $form_state) {
$form['workflow']['autosave'] = array(
'#type' => 'checkbox',
'#title' => t('Enable Autosave to add/edit forms for this node type'),
'#default_value' => variable_get('autosave_'. $form['#node_type']->type, 0),
'#description' => t('Check this box to enable Autosave for this node type.')
);
}
/**
* Implementation of hook_form_alter().
*/
function autosave_form_alter(&$form, &$form_state, $form_id) {
global $user;
$path = $_GET['q'];
if (stristr($form_id, '_node_form') && arg(0) != 'admin') {
// check if this content_type has the autosave function enabled and make sure it's a node edit or add form
if ((variable_get('autosave_'. $form['type']['#value'], 0))) {
drupal_add_js(AUTOSAVE_PATH .'/autosave.js');
drupal_add_js(AUTOSAVE_PATH .'/jquery.field.js');
drupal_add_css(AUTOSAVE_PATH .'/autosave.css');
// if WYSIWYG module is enabled; lets let JS know this
if (module_exists('wysiwyg')) $settings['autosave']['wysiwyg'] = 1;
else $settings['autosave']['wysiwyg'] = 0;
// add security token
$token = drupal_get_token($form_id);
$settings['autosave']['url'] = url('autosave/handler/' . $token);
$settings['autosave']['period'] = variable_get('autosave_period', 10);
$settings['autosave']['autosave_path'] = $path;
$settings['autosave']['hidden'] = variable_get('autosave_hidden', 0);
// If an autosaved version of the form exists, make it available via javascript.
if ($autosaved_form = autosave_get_autosaved_form($form_id, $path, $user->uid)) {
//$autosaved_form_id = $form['type']['#value'] ? $form['type']['#value'] .'_node_form' : 'node_form';
$settings['autosave'] = array_merge($settings['autosave'], array(
'serialized' => unserialize($autosaved_form['serialized']),
'saved_date' => format_date($autosaved_form['timestamp'], 'medium'),
));
}
drupal_add_js($settings, 'setting');
}
}
}
/**
* Menu callback; autosaves the node.
*/
function autosave_save() {
global $user;
$path = $_POST['autosave_path'];
$form_id = $_POST['form_id'];
// Not all variables need to be serialized.
// - for Drupal 6 version need to remove op and form_build_id
unset($_POST['autosave_path'], $_POST['op'], $_POST['form_build_id']);
$serialized = serialize($_POST);
// check if node has just been saved - if it has then it's because AS ajax fired off as user was submitting
// if it had just been submitted - no need to AS now
// - easy to figure out if we are submitting an edit to existing node
// - little harder if we have just added a node
$path_args = explode("/", $path);
// update case
if (is_numeric($path_args[1])) {
$submitted = node_load($path_args[1]);
}
// add case
else {
$submitted->changed = db_result(db_query("SELECT created FROM {node} WHERE uid = %d and type = '%s' ORDER BY created DESC LIMIT 1", $user->uid, str_replace("-", "_", $path_args[2])));
}
if (!$submitted || (time() - $submitted->changed) > 10) {
// Currently, each user can have only one autosave form at a particular path.
db_query("DELETE FROM {autosaved_forms} WHERE form_id = '%s' AND path = '%s' AND uid = %d", $form_id, $path, $user->uid);
db_query("INSERT INTO {autosaved_forms} (form_id, path, uid, timestamp, serialized) VALUES ('%s', '%s', %d, %d, '%s')", $form_id, $path, $user->uid, time(), $serialized);
}
exit();
}
/**
* Get the autosaved form at a particular path for a user.
*
* @param string $form_id
* The form_id of the form.
* @param string $path
* The the internal Drupal path where the form is located
* @param string $uid
* Drupal UID of the user
* @return
* An array containing the serialized values of the autosaved form and the timestamp of when the form was autosaved.
*/
function autosave_get_autosaved_form($form_id, $path, $uid) {
$result = db_query("SELECT form_id, serialized, timestamp FROM {autosaved_forms} WHERE form_id = '%s' AND path = '%s' AND uid = %d", $form_id, $path, $uid);
while ($data = db_fetch_object($result)) {
$form['serialized'] = $data->serialized;
$form['timestamp'] = $data->timestamp;
}
return $form;
}
/**
* Implementation of hook_nodeapi().
*
* Delete autosave table entry on successful submit (add or update) of node
*
*/
function autosave_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
if ($op == 'presave') {
// we remove ALL edits for that page (not just the users) to avoid:
// - user1 asaves but doesnt submit
// - user2 edits same node and submits
// - user1 comes back to edit -> user1 SHOULD lose edits since user2 has precedence
db_query("DELETE FROM {autosaved_forms} WHERE form_id = '%s' AND path = '%s'", $node->form_id, $_GET['q']);
}
}

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/*
* jQuery Field Plug-in
*
* Copyright (c) 2007 Dan G. Switzer, II
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* Revision: 8
* Version: 0.7-mod
*
* NOTES: The getValue() and setValue() methods are designed to be
* executed on single field (i.e. any field that would share the same
* "name" attribute--a single text box, a group of checkboxes or radio
* elements, etc.)
*
* Revision History
*
* v0.7a-mod
* - plindstrom: change all "@name" to just "name" to be compatible with jquery 1.3 (seems to still be compatible with jq 1.2 as well)
*
* v0.7-mod
* - Modified slightly by Edmund Kwok to work with Drupal's autosave.module. Refer to $.formHash().
*
* v0.7
* - Added tabIndex related function (getTabIndex, moveNext, movePrev, moveIndex)
*
* v0.6
* - Fixed bug in the $.formHash() where the arrayed form elements would
* not correctly report their values.
* - Added the $.createCheckboxRange() which allow you to select multiple
* checkbox elements by doing a [SHIFT] + click.
*
* v0.5
* - Added $.limitSelection() method for limiting the number of
* selection in a select-multiple of checkbox array.
*
* v0.4.1
* - Moved $.type and $.isType into private functions
* - Rewrote $type() function to use instanceof operator
*
* v0.4
* - Added the formHash() method
*
* v0.3
* - First public release
*
*/
(function($){
// set the defaults
var defaults = {
// use a comma as the string delimiter
delimiter: ",",
// for methods that could return either a string or array, decide default behavior
useArray: false
}
// set default options
$.Field = {
version: "0.7",
setDefaults: function(options){
$.extend(defaults, options);
}
}
/*
* jQuery.fn.fieldArray()
*
* returns either an array of values or a jQuery object
*
* NOTE: This *MAY* break the jQuery chain
*
* Examples:
* $("input[name='name']").fieldArray();
* > Gets the current value of the name text element
*
* $("input[name='name']").fieldArray(["Dan G. Switzer, II"]);
* > Sets the value of the name text element to "Dan G. Switzer, II"
*
* $("select[name='state']").fieldArray();
* > Gets the current value of the state text element
*
* $("select[name='state']").setValue(["OH","NY","CA"]);
* > Sets the selected value of the "state" select element to OH, NY and CA
*
*/
// this will set/get the values for a field based upon and array
$.fn.fieldArray = function(v){
var t = $type(v);
// if no value supplied, return an array of values
if( t == "undefined" ) return getValue(this);
// convert the number/string into an array
if( t == "string" || t == "number" ){
v = v.toString().split(defaults.delimiter);
t = "array";
}
// set the value -- doesn't break the chaing
if( t == "array" ) return setValue(this, v);
// if we don't know what do to, don't break the chain
return this;
}
/*
* jQuery.fn.getValue()
*
* returns String - a comma delimited list of values for the field
*
* NOTE: Breaks the jQuery chain, since it returns a string.
*
* Examples:
* $("input[name='name']").getValue();
* > This would return the value of the name text element
*
* $("select[name='state']").getValue();
* > This would return the currently selected value of the "state" select element
*
*/
// the getValue() method -- break the chain
$.fn.getValue = function(){
// return the values as a comma-delimited string
return getValue(this).join(defaults.delimiter);
}
/*
* getValue()
*
* returns Array - an array of values for the field
*
*/
// the getValue() method -- break the chain
var getValue = function(jq){
var v = [];
jq.each(
function (lc){
// get the current type
var t = getType(this);
switch( t ){
case "checkbox": case "radio":
// if the checkbox or radio element is checked
if( this.checked ) v.push(this.value);
break;
case "select":
if( this.type == "select-one" ){
v.push( (this.selectedIndex == -1) ? "" : getOptionVal(this[this.selectedIndex]) );
} else {
// loop through all element in the array for this field
for( var i=0; i < this.length; i++ ){
// if the element is selected, get the selected values
if( this[i].selected ){
// append the selected value, if the value property doesn't exist, use the text
v.push(getOptionVal(this[i]));
}
}
}
break;
case "text":
v.push(this.value);
break;
}
}
);
// return the values as an array
return v;
}
/*
* setValue()
*
* returns jQuery object
*
* NOTE: This does *NOT* break the jQuery chain
*
* Examples:
* $("input[name='name']").setValue("Dan G. Switzer, II");
* > Sets the value of the name text element to "Dan G. Switzer, II"
*
* $("select[name='state']").setValue("OH");
* > Sets the selected value of the "state" select element to "OH"
*
*/
// the setValue() method -- does *not* break the chain
$.fn.setValue = function(v){
// f no value, set to empty string
return setValue(this, (!v ? [""] : v.toString().split(defaults.delimiter)));
}
/*
* setValue()
*
* returns jQuery object
*
*/
// the setValue() method -- does *not* break the chain
var setValue = function(jq, v){
jq.each(
function (lc){
var t = getType(this), x;
switch( t ){
case "checkbox": case "radio":
if( valueExists(v, this.value) ) this.checked = true;
else this.checked = false;
break;
case "select":
var bSelectOne = (this.type == "select-one");
var bKeepLooking = true; // if select-one type, then only select the first value found
// loop through all element in the array for this field
for( var i=0; i < this.length; i++ ){
x = getOptionVal(this[i]);
bSelectItem = valueExists(v, x);
if( bSelectItem ){
this[i].selected = true;
// if a select-one element
if( bSelectOne ){
// no need to look farther
bKeepLooking = false;
// stop the loop
break;
}
} else if( !bSelectOne ) this[i].selected = false;
}
// if a select-one box and nothing selected, then try to select the default value
if( bSelectOne && bKeepLooking ){
this[0].selected = true;
}
break;
case "text":
this.value = v.join(defaults.delimiter);
break;
}
}
);
return jq;
}
/*
* jQuery.fn.formHash()
*
* returns either an hash table of form fields or a jQuery object
*
* NOTE: This *MAY* break the jQuery chain
*
* Examples:
* $("#formName").formHash();
* > Returns a hash map of all the form fields and their values
*
* $("#formName").formHash({"name": "Dan G. Switzer, II", "state": "OH"});
* > Returns the jQuery chain and sets the fields "name" and "state" with
* > the values "Dan G. Switzer, II" and "OH" respectively.
*
*/
// the formHash() method -- break the chain
$.fn.formHash = function(inHash){
var bGetHash = (arguments.length == 0);
// create a hash to return
var stHash = {};
// run the code for each form
this.filter("form").each(
function (){
// get all the form elements
var els = this.elements, el, n, stProcessed = {}, jel;
// loop through the elements and process
for( var i=0, elsMax = els.length; i < elsMax; i++ ){
el = els[i], n = el.name;
// Avoid submit buttons; Drupal forms with two submit buttons (eg Submit and Cancel) usually has the same name - op.
// These buttons will then have same names when value is set.
if (el.type == 'submit') {
continue;
}
// if the element doesn't have a name, then skip it
if( !n || stProcessed[n] ) continue;
// create a jquery object to the current named form elements
var jel = $(el.tagName.toLowerCase() + "[name='"+n+"']", this);
// if we're getting the values, get them now
if( bGetHash ){
stHash[n] = jel[defaults.useArray ? "fieldArray" : "getValue"]();
// if we're setting values, set them now
} else {
if(!!inHash[n] ){
jel[defaults.useArray ? "fieldArray" : "setValue"](inHash[n]);
}
else {
// Deal with Drupal form elements with square brackets in their name (eg field_name[key]).
var value=null;
n = n.replace(/\[/g,','); n = n.replace(/\]/g,',');
keys = n.split(",");
if (keys.length > 1) {
for (var key in keys) {
if (keys[key]) {
if (!value) value = inHash[keys[key]];
else value = value[keys[key]];
}
}
}
jel[defaults.useArray ? "fieldArray" : "setValue"](value);
}
}
stProcessed[n] = true;
}
}
);
// if getting a hash map return it, otherwise return the jQuery object
return (bGetHash) ? stHash : this;
}
/*
* jQuery.fn.autoAdvance()
*
* Finds all text-based input fields and makes them autoadvance to the next
* fields when they've met their maxlength property.
*
*
* Examples:
* $("#form").autoAdvance();
* > When a field reaches it's maxlength attribute value, it'll advance to the
* > next field in the form's tabindex.
*
*/
// the autoAdvance() method
$.fn.autoAdvance = function(){
return this.find(":text,:password,textarea").bind(
"keyup",
function (e){
var
// get the field
$field = $(this),
// get the maxlength for the field
iMaxLength = parseInt($field.attr("maxlength"), 10);
// if the user tabs to the field, exit event handler
// this will prevent movement if the field is already
// field in with the max number of characters
if( isNaN(iMaxLength) || ("|9|16|37|38|39|40|".indexOf("|" + e.keyCode + "|") > -1) ) return true;
// if the value of the field is greater than maxlength attribute,
// then move the focus to the next field
if( $field.getValue().length >= $field.attr("maxlength") ){
// move to the next field and select the existing value
$field.moveNext().select();
}
}
);
}
/*
* jQuery.fn.moveNext()
*
* places the focus in the next form field. if the field element is
* the last in the form array, it'll return to the top.
*
* returns a jQuery object pointing to the next field element
*
* NOTE: if the selector returns multiple items, the first item is used.
*
*
* Examples:
* $("#firstName").moveNext();
* > Moves the focus to the next form field found after firstName
*
*/
// the moveNext() method
$.fn.moveNext = function(){
return this.moveIndex("next");
}
/*
* jQuery.fn.movePrev()
*
* places the focus in the previous form field. if the field element is
* the first in the form array, it'll return to the last element.
*
* returns a jQuery object pointing to the previos field element
*
* NOTE: if the selector returns multiple items, the first item is used
*
* Examples:
* $("#firstName").movePrev();
* > Moves the focus to the next form field found after firstName
*
*/
// the movePrev() method
$.fn.movePrev = function(){
return this.moveIndex("prev");
}
/*
* jQuery.fn.moveIndex()
*
* Places the tab index into the specified index position
*
* returns a jQuery object pointing to the previos field element
*
* NOTE: if the selector returns multiple items, the first item is used
*
* Examples:
* $("#firstName").movePrev();
* > Moves the focus to the next form field found after firstName
*
*/
// the moveIndex() method
$.fn.moveIndex = function(i){
// get the current position and elements
var aPos = getFieldPosition(this);
// if a string option has been specified, calculate the position
if( i == "next" ) i = aPos[0] + 1; // get the next item
else if( i == "prev" ) i = aPos[0] - 1; // get the previous item
// make sure the index position is within the bounds of the elements array
if( i < 0 ) i = aPos[1].length-1;
else if( i >= aPos[1].length ) i = 0;
return $(aPos[1][i]).trigger("focus");
}
/*
* jQuery.fn.getTabIndex()
*
* gets the current tab index of the first element found in the selector
*
* NOTE: if the selector returns multiple items, the first item is used
*
* Examples:
* $("#firstName").getTabIndex();
* > Gets the tabIndex for the firstName field
*
*/
// the getTabIndex() method
$.fn.getTabIndex = function(){
// return the position of the form field
return getFieldPosition(this)[0];
}
var getFieldPosition = function (jq){
var
// get the first matching field
$field = jq.filter("input select textarea").get(0),
// store items with a tabindex
aTabIndex = [],
// store items with no tabindex
aPosIndex = []
;
// if there is no match, return 0
if( !$field ) return [-1, []];
// make a single pass thru all form elements
$.each(
$field.form.elements,
function (i, o){
if( o.tagName != "FIELDSET" && !o.disabled ){
if( o.tabIndex > 0 ){
aTabIndex.push(o);
} else {
aPosIndex.push(o);
}
}
}
);
// sort the fields that had tab indexes
aTabIndex.sort(
function (a, b){
return a.tabIndex - b.tabIndex;
}
);
// merge the elements to create the correct tab position
aTabIndex = $.merge(aTabIndex, aPosIndex);
for( var i=0; i < aTabIndex.length; i++ ){
if( aTabIndex[i] == $field ) return [i, aTabIndex];
}
return [-1, aTabIndex];
}
/*
* jQuery.fn.limitSelection()
*
* limits the number of items that can be selected
*
* Examples:
* $("input:checkbox").limitSelection(3);
* > No more than 3 items can be selected
*
* $("input:checkbox").limitSelection(2, errorCallback, successCallback);
* > Limits the selection to 2 items and runs the callback function when
* > more than 2 items have been selected.
*
* NOTE: Current when a "select-multiple" option undoes the selection,
* it selects the first 3 options in the array--which isn't necessarily
* the first 3 options the user selected. This is not the most desired
* behavior.
*
*/
$.fn.limitSelection = function(n, _e, _s){
var self = this;
// define the callback actions
var cb_onError = (!!_e) ? _e : function (n){ alert("You can only select a maximum a of " + n + " items."); return false; };
var cb_onSuccess = (!!_s) ? _s : function (n){ return true; };
var getCount = function (el){
if( el.type == "select-multiple" ) return $("option:selected", self).length;
else if( el.type == "checkbox" ) return self.filter(":checked").length;
return 0;
}
var undoSelect = function (){
// reduce selection to n items
setValue(self, getValue(self).slice(0, n));
// do callback
return cb_onError(n, self);
}
self.bind(
(!!self[0] && self[0].type == "select-multiple") ? "change" : "click",
function (){
if( getCount(this) > n ){
// run callback, it must return false to prevent action
return (this.type == "select-multiple") ? undoSelect() : cb_onError(n, self);
}
cb_onSuccess(n, self);
return true;
}
);
return this;
}
/*
* jQuery.fn.createCheckboxRange()
*
* limits the number of items that can be selected
*
* Examples:
* $("input:checkbox").createCheckboxRange();
* > Allows a [SHIFT] + mouseclick to select all the items from the last
* > checked checkmark to the current checkbox.
*
*/
$.fn.createCheckboxRange = function(){
var iLastSelection = 0, me = this;
// this finds the position of the current element in the array
var findArrayPos = function (el){
var pos = -1;
$("input[name='"+me[0].name+"']").each(
function (i){
if( this == el ){
pos = i;
return false;
}
}
);
return pos;
}
this.each(
function (lc){
// only perform this action on checkboxes
if( this.type != "checkbox" ) return false;
var self = this;
var updateLastCheckbox = function (e){
iLastSelection = findArrayPos(e.target);
}
var checkboxClicked = function (e){
var bSetChecked = this.checked, current = findArrayPos(e.target), iHigh, iLow;
// if we don't detect the keypress, exit function
if( !e.shiftKey ) return;
// figure out which is the highest and which is the lowest value
if( iLastSelection > current ){
iHigh = iLastSelection;
iLow = current-1;
} else {
iHigh = current;
iLow = iLastSelection-1;
}
$("input[name='"+self.name+"']:gt("+iLow+"):lt("+iHigh+")").attr("checked", bSetChecked ? "checked" : "");
}
$(this)
// unbind the events so we can re-run the createCheckboxRange() plug-in for dynamicall created elements
.unbind("blur", updateLastCheckbox)
.unbind("click", checkboxClicked)
// bind the functions
.bind("blur", updateLastCheckbox)
.bind("click", checkboxClicked)
;
return true;
}
);
}
// determines how to process a field
var getType = function (el){
var t = el.type;
switch( t ){
case "select": case "select-one": case "select-multiple":
t = "select";
break;
case "text": case "hidden": case "textarea": case "password": case "button": case "submit": case "submit":
t = "text";
break;
case "checkbox": case "radio":
t = t;
break;
}
return t;
}
// gets the value of a select element
var getOptionVal = function (el){
return jQuery.browser.msie && !(el.attributes['value'].specified) ? el.text : el.value;
}
// checks to see if a value exists in an array
var valueExists = function (a, v){
return ($.inArray(v, a) > -1);
}
// correctly gets the type of an object (including array/dates)
var $type = function (o){
var t = (typeof o).toLowerCase();
if( t == "object" ){
if( o instanceof Array ) t = "array";
else if( o instanceof Date ) t = "date";
}
return t;
}
// checks to see if an object is the specified type
var $isType = function (o, v){
return ($type(o) == String(v).toLowerCase());
}
})(jQuery);