forked from GNUsocial/gnu-social
"infield labels" should be migrated to HTML5 placeholder
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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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* http://github.com/streetpc/jquery-infieldlabels
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*
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* Copyright (c) 2009 Doug Neiner, Adrien Lavoillotte
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* Dual licensed under the MIT and GPL licenses, see:
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* http://docs.jquery.com/License
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*
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* @version 0.2.1
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*/
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(function ($) {
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// private constants
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// - states
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var BLUR = 0, // field is empty & unfocused
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FOCUS = 1, // field is empty & focused
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NOT_EMPTY = 2, // field is not empty
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// - accepted input type
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INPUT_TYPE = /^(?:text|password|search|number|tel|url|email|date(?:time(?:-local)?)?|time|month|week)?$/,
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// - state transitions
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T = function(from, to) { return (from << 3) | to; },
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TRANSITIONS = {};
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// init transitions
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TRANSITIONS[T( FOCUS, BLUR )] = function(base) { base.fadeTo(1.0); };
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TRANSITIONS[T( NOT_EMPTY, BLUR )] = function(base) { base.$label.css({opacity: 1.0}).show(); base.emptied(true); };
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TRANSITIONS[T( BLUR, FOCUS )] = function(base) { base.fadeTo(base.options.fadeOpacity); };
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TRANSITIONS[T( NOT_EMPTY, FOCUS )] = function(base) { base.$label.css({opacity: base.options.fadeOpacity}).show(); base.emptied(true); };
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TRANSITIONS[T( BLUR, NOT_EMPTY )] = function(base) { base.$label.hide(); base.emptied(false); };
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TRANSITIONS[T( FOCUS, NOT_EMPTY )] = TRANSITIONS[T( BLUR, NOT_EMPTY )];
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$.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.state = BLUR;
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base.init = function () {
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// Merge supplied options with default options
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base.options = $.extend({}, $.InFieldLabels.defaultOptions, options);
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if (base.options.labelClass) {
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base.$label.addClass(base.options.labelClass);
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}
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if (base.options.disableAutocomplete) {
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base.$field.attr('autocomplete', 'off');
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}
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base.$field
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.bind('blur focus change keyup.infield cut', base.updateState)
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// paste cannot be empty
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.bind('paste', function(e){ base.setState(NOT_EMPTY); });
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base.updateState();
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};
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base.emptied = function(empty) {
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if (!base.options.emptyWatch) {
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if (empty) {
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// namespace ensures we unbind only our handler
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base.$field.bind('keyup.infield', base.updateState);
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} else {
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// save CPU but won't detect empty until blur
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base.$field.unbind('keyup.infield', base.updateState);
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}
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}
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};
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base.fadeTo = function (opacity) {
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if (!base.options.fadeDuration) {
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base.$label.css({ opacity: opacity });
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} else {
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base.$label.stop().animate({ opacity: opacity }, base.options.fadeDuration);
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}
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};
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base.updateState = function (e, nl) {
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var state = NOT_EMPTY;
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if (base.field.value === '') {
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var focus = e && e.type;
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if (focus === 'focus' || focus === 'keyup') {
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focus = true;
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} else if (focus === 'blur' || focus === 'change') {
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focus = false;
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} else { // last resort because slowest
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focus = base.$field.is(':focus');
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}
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state = focus ? FOCUS : BLUR;
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}
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base.setState(state, nl);
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};
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base.setState = function (state, nl) {
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if (state === base.state) {
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return;
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}
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var transition = TRANSITIONS[T(base.state, state)];
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if (typeof transition === 'function') {
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transition(base);
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base.state = state;
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} else { // unkown transition - shouldn't happen
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// nl avoids looping
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nl || base.updateState(null, true);
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}
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};
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// Run the initialization method
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base.init();
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};
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$.InFieldLabels.defaultOptions = {
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emptyWatch: true, // Keep watching the field as the user types (slower but brings back the label immediately when the field is emptied)
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disableAutocomplete: true, // Disable autocomplete on the matched fields
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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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labelClass: 'in-field' // CSS class to apply to the label when it gets in-field
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};
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$.fn.inFieldLabels = function (options) {
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return this.each(function () {
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if (this.tagName !== 'LABEL') {
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return;
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}
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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.getAttribute('for') || this.htmlFor,
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field, valid = true;
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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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field = document.getElementById(for_attr);
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if (!field) {
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return;
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}
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if (field.tagName === 'INPUT') {
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valid = INPUT_TYPE.test(field.type.toLowerCase());
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} else if (field.tagName !== 'TEXTAREA') {
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valid = false;
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}
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valid = valid && !field.getAttribute('placeholder');
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if (!valid) {
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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 $.InFieldLabels(this, field, options));
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});
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};
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}(jQuery));
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@ -1433,9 +1433,6 @@ var SN = { // StatusNet
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});
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}
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});
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// Infield labels for notice form inputs.
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$('.input_forms fieldset fieldset label').inFieldLabels({ fadeOpacity:0 });
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}
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},
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@ -452,14 +452,9 @@ address .poweredby {
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}
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.input_form fieldset fieldset label {
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position: absolute;
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top: 0;
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left: 6px;
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float: none;
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text-align: left;
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color: #888;
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cursor: text;
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background: #fff;
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}
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.input_form .form_settings li input {
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