started moving from infieldlabel to (html5) placeholders
This commit is contained in:
Florian Staudacher
parent
e0a63e624f
commit
849db2f34b
2 changed files with 104 additions and 156 deletions
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@ -1,156 +0,0 @@
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/**
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* @license In-Field Label jQuery Plugin
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* http://fuelyourcoding.com/scripts/infield.html
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*
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* Copyright (c) 2009-2010 Doug Neiner
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* Dual licensed under the MIT and GPL licenses.
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* Uses the same license as jQuery, see:
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* http://docs.jquery.com/License
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*
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* @version 0.1.2
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*/
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(function ($) {
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$.InFieldLabels = function (label, field, options) {
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// To avoid scope issues, use 'base' instead of 'this'
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// to reference this class from internal events and functions.
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var base = this;
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// Access to jQuery and DOM versions of each element
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base.$label = $(label);
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base.label = label;
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base.$field = $(field);
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base.field = field;
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base.$label.data("InFieldLabels", base);
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base.showing = true;
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base.init = function () {
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// Merge supplied options with default options
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base.options = $.extend({}, $.InFieldLabels.defaultOptions, options);
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// Check if the field is already filled in
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if (base.$field.val() !== "") {
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base.$label.hide();
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base.showing = false;
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}
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base.$field.focus(function () {
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base.fadeOnFocus();
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}).blur(function () {
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base.checkForEmpty(true);
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}).bind('keydown.infieldlabel', function (e) {
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// Use of a namespace (.infieldlabel) allows us to
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// unbind just this method later
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base.hideOnChange(e);
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}).bind('paste', function (e) {
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// Since you can not paste an empty string we can assume
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// that the fieldis not empty and the label can be cleared.
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base.setOpacity(0.0);
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}).change(function (e) {
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base.checkForEmpty();
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}).bind('onPropertyChange', function () {
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base.checkForEmpty();
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});
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};
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// If the label is currently showing
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// then fade it down to the amount
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// specified in the settings
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base.fadeOnFocus = function () {
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if (base.showing) {
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base.setOpacity(base.options.fadeOpacity);
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}
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};
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base.setOpacity = function (opacity) {
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base.$label.stop().animate({ opacity: opacity }, base.options.fadeDuration);
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base.showing = (opacity > 0.0);
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};
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// Checks for empty as a fail safe
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// set blur to true when passing from
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// the blur event
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base.checkForEmpty = function (blur) {
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if (base.$field.val() === "") {
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base.prepForShow();
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base.setOpacity(blur ? 1.0 : base.options.fadeOpacity);
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} else {
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base.setOpacity(0.0);
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}
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};
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base.prepForShow = function (e) {
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if (!base.showing) {
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// Prepare for a animate in...
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base.$label.css({opacity: 0.0}).show();
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// Reattach the keydown event
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base.$field.bind('keydown.infieldlabel', function (e) {
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base.hideOnChange(e);
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});
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}
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};
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base.hideOnChange = function (e) {
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if (
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(e.keyCode === 16) || // Skip Shift
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(e.keyCode === 9) // Skip Tab
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) {
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return;
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}
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if (base.showing) {
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base.$label.hide();
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base.showing = false;
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}
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// Remove keydown event to save on CPU processing
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base.$field.unbind('keydown.infieldlabel');
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};
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// Run the initialization method
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base.init();
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};
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$.InFieldLabels.defaultOptions = {
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fadeOpacity: 0.5, // Once a field has focus, how transparent should the label be
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fadeDuration: 300 // How long should it take to animate from 1.0 opacity to the fadeOpacity
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};
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$.fn.inFieldLabels = function (options) {
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return this.each(function () {
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// Find input or textarea based on for= attribute
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// The for attribute on the label must contain the ID
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// of the input or textarea element
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var for_attr = $(this).attr('for'), $field;
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if (!for_attr) {
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return; // Nothing to attach, since the for field wasn't used
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}
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// Find the referenced input or textarea element
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// This fucking for_attr thing is some seriously dumb shit.
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//
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// It must be dealt with
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$field = $(this).siblings(
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"input#" + for_attr + "[type='text']," +
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"input#" + for_attr + "[type='search']," +
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"input#" + for_attr + "[type='tel']," +
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"input#" + for_attr + "[type='url']," +
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"input#" + for_attr + "[type='email']," +
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"input#" + for_attr + "[type='password']," +
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"textarea#" + for_attr
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);
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if ($field.length === 0) {
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return; // Again, nothing to attach
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}
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// Only create object for input[text], input[password], or textarea
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(new $.InFieldLabels(this, $field[0], options));
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});
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};
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}(jQuery));
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104
public/javascripts/vendor/jquery.placeholder.js
vendored
Normal file
104
public/javascripts/vendor/jquery.placeholder.js
vendored
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@ -0,0 +1,104 @@
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/*! http://mths.be/placeholder v1.8.7 by @mathias */
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;(function(window, document, $) {
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var isInputSupported = 'placeholder' in document.createElement('input'),
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isTextareaSupported = 'placeholder' in document.createElement('textarea'),
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prototype = $.fn,
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placeholder;
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if (isInputSupported && isTextareaSupported) {
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placeholder = prototype.placeholder = function() {
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return this;
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};
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placeholder.input = placeholder.textarea = true;
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} else {
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placeholder = prototype.placeholder = function() {
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return this
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.filter((isInputSupported ? 'textarea' : ':input') + '[placeholder]')
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.not('.placeholder')
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.bind('focus.placeholder', clearPlaceholder)
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.bind('blur.placeholder', setPlaceholder)
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.trigger('blur.placeholder').end();
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};
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placeholder.input = isInputSupported;
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placeholder.textarea = isTextareaSupported;
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$(function() {
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// Look for forms
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$(document).delegate('form', 'submit.placeholder', function() {
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// Clear the placeholder values so they don’t get submitted
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var $inputs = $('.placeholder', this).each(clearPlaceholder);
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setTimeout(function() {
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$inputs.each(setPlaceholder);
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}, 10);
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});
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});
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// Clear placeholder values upon page reload
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$(window).bind('unload.placeholder', function() {
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$('.placeholder').val('');
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});
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}
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function args(elem) {
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// Return an object of element attributes
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var newAttrs = {},
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rinlinejQuery = /^jQuery\d+$/;
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$.each(elem.attributes, function(i, attr) {
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if (attr.specified && !rinlinejQuery.test(attr.name)) {
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newAttrs[attr.name] = attr.value;
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}
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});
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return newAttrs;
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}
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function clearPlaceholder() {
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var $input = $(this);
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if ($input.val() === $input.attr('placeholder') && $input.hasClass('placeholder')) {
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if ($input.data('placeholder-password')) {
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$input.hide().next().show().focus().attr('id', $input.removeAttr('id').data('placeholder-id'));
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} else {
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$input.val('').removeClass('placeholder');
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}
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}
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}
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function setPlaceholder() {
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var $replacement,
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$input = $(this),
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$origInput = $input,
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id = this.id;
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if ($input.val() === '') {
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if ($input.is(':password')) {
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if (!$input.data('placeholder-textinput')) {
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try {
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$replacement = $input.clone().attr({ 'type': 'text' });
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} catch(e) {
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$replacement = $('<input>').attr($.extend(args(this), { 'type': 'text' }));
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}
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$replacement
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.removeAttr('name')
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// We could just use the `.data(obj)` syntax here, but that wouldn’t work in pre-1.4.3 jQueries
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.data('placeholder-password', true)
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.data('placeholder-id', id)
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.bind('focus.placeholder', clearPlaceholder);
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$input
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.data('placeholder-textinput', $replacement)
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.data('placeholder-id', id)
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.before($replacement);
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}
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$input = $input.removeAttr('id').hide().prev().attr('id', id).show();
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}
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$input.addClass('placeholder').val($input.attr('placeholder'));
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} else {
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$input.removeClass('placeholder');
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}
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}
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}(this, document, jQuery));
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