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store.js
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store.js
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( function ( win, doc, undefined ) {
if ( !win.JSON || !win.localStorage || !doc.querySelector ) {
win.alert(
"sorry, but your current browser does not support:\n"
+ ( !win.JSON ? " - JSON\n" : "" )
+ ( !win.localStorage ? " - localStorage\n" : "" )
+ ( !win.querySelector ? " - querySelector\n" : "" )
+ "Therefor this script can not function properly."
);
return;
}
var str = doc.location.pathname.replace( /\W/g, "" )
, obStr = win.localStorage.getItem( str )
, ob = JSON.parse( obStr ) || []
, frag = doc.createDocumentFragment()
, background = doc.createElement( "div" )
, container = doc.createElement( "form" )
, dInput = doc.createElement( "input" )
, button = doc.createElement( "input" )
, removeThese = [ "pm5544StoreScript", "pm5544RestoreScript" ]
, url = "https://raw.github.com/PM5544/formStore/master/"
, gFont = doc.createElement( "link" )
, styles = doc.createElement( "style" )
, head = doc.getElementsByTagName( "head" )[ 0 ]
, focusedEl = doc.activeElement
;
function addHandler( node, type, fn ) {
if ( node.addEventListener ) {
node.addEventListener( type, fn );
} else {
node.attachEvent( 'on' + type, fn );
}
}
function triggerHandler( node, type ) {
if ( doc.createEvent ) {
var evt;
switch ( type ) {
case "click" :
evt = doc.createEvent( "MouseEvents" );
evt.initMouseEvent( "click", true, true, win, 0, 0, 0, 0, 0, false, false, false, false, 0, null );
node.dispatchEvent( evt );
break;
case "submit":
evt = doc.createEvent( "HTMLEvents" );
evt.initEvent( "submit", true, true );
node.dispatchEvent( evt );
break;
}
} else {
node.fireEvent( "on" + type );
}
}
function stopEvent( e ) {
if ( e.stopPropagation ) {
e.preventDefault();
e.stopPropagation();
} else {
e.cancelBubble = true;
e.returnValue = false;
}
}
function removeElements() {
var elements = removeThese
, len = elements.length
, cur
;
while ( len-- ) {
cur = "string" === typeof elements[ len ] ? doc.getElementById( elements[ len ] ) : elements[ len ];
if ( cur ) {
cur.parentNode.removeChild( cur );
}
}
focusedEl && focusedEl.focus && focusedEl.focus();
}
function getAllInputValues() {
var returnOb = {
inputs: []
, radios: []
, checkboxes: []
, selects: []
, unnamed: []
}
, forms = doc.forms
, form
, named
, unnamed, curUnnamed
, cur
, name
, options, option, optionsAr
, type
;
for ( var i = 0, len = forms.length; i < len; i++ ) {
form = forms[ i ];
if ( form.clientWidth ) {
named = form.querySelectorAll( "[name]" );
for ( var j = 0, jLen = named.length; j < jLen; j++ ) {
cur = named[ j ];
name = cur.getAttribute( "name" );
type = cur.getAttribute( "type" ) ? cur.getAttribute( "type" ).toLowerCase() : '';
if ( "textarea" === cur.nodeName.toLowerCase() ) {
if ( cur.value ) {
returnOb.inputs.push( [ name, cur.value ] );
}
} else if ( "select" === cur.nodeName.toLowerCase() ) {
options = cur.getElementsByTagName( "option" );
optionsAr = [];
for ( var o = 0, oLen = options.length; o < oLen; o++) {
option = options[ o ];
if ( option.selected ) {
optionsAr.push( option.value );
}
}
returnOb.selects.push( [ name, optionsAr ] );
} else {
switch ( type ) {
case "hidden":
case "text":
case "password":
case "number":
case "email":
case "date":
case "":
if ( cur.value ) {
returnOb.inputs.push( [ name, cur.value ] );
}
break;
case "checkbox":
returnOb.checkboxes.push( [ name, cur.checked ] );
break;
case "radio":
if ( cur.checked ) {
returnOb.radios.push( [ name, cur.value ] );
}
break;
default:
continue;
}
}
}
}
}
if ( !returnOb.inputs.length
&& !returnOb.radios.length
&& !returnOb.checkboxes.length
&& !returnOb.selects.length ) {
unnamed = doc.getElementsByTagName( "input" );
for ( var u = 0, uLen = unnamed.length; u < uLen; u++ ) {
curUnnamed = unnamed[ u ];
if ( !curUnnamed.getAttribute( "name" ) && curUnnamed.clientWidth ) {
returnOb.unnamed.push( curUnnamed.value );
}
}
}
if ( returnOb.inputs.length
|| returnOb.radios.length
|| returnOb.checkboxes.length
|| returnOb.selects.length
|| returnOb.unnamed.length ) {
return returnOb;
} else {
return false;
}
}
head.appendChild( styles );
removeThese.push( styles );
var addStyleRule = ( function ( domStyle ){
if ( domStyle.addRule ) {
return function( selector, styleRule ) {
domStyle.addRule( selector, styleRule );
};
} else {
return function( selector, styleRule ) {
domStyle.insertRule( selector + "{" + styleRule + "}", domStyle.cssRules.length );
};
}
} )( styles[ 'undefined' !== typeof styles.sheet ? 'sheet' : 'undefined' !== typeof styles.getSheet ? 'getSheet' : 'styleSheet' ] );
gFont.href = "//fonts.googleapis.com/css?family=Nova+Square&text=Saveformst";
gFont.rel = "stylesheet";
gFont.type = "text/css";
doc.getElementsByTagName( "head" )[ 0 ].appendChild( gFont );
removeThese.push( gFont );
if ( "opacity" in background.style ) {
addStyleRule( "#pm5544StoreBackground", "position:fixed; z-index:999999; width: auto; margin: 0; padding: 0; top:0; left:0; right:0; bottom:0; background:rgba(255,255,255,0.6);" );
} else {
addStyleRule( "#pm5544StoreBackground", "position:fixed; z-index:999999; width: auto; margin: 0; padding: 0; top:0; left:0; right:0; bottom:0; background:#fff; filter:progid:DXImageTransform.Microsoft.Alpha(Opacity=60,Style=0);" );
}
addStyleRule( "#pm5544StoreContainer", "position:fixed; z-index:999999; width:500px; background:#fff; border: 1px solid #eee; border-radius:5px; padding:5px 20px 20px; left:50%; top:20px; margin-left:-250px; box-shadow:2px 3px 10px rgba(0,0,0,.4);" );
addStyleRule( "#pm5544StoreContainer h1", "margin:0 0 10px 0; font:normal 32px/65px 'Nova Square'; text-shadow:2px 2px 3px rgba(0,0,0,0.3); border-bottom:1px solid #ccc; text-align:center;" );
addStyleRule( "#pm5544StoreContainer input", "display:inline-block; box-shadow:inset 0 0 5px rgba(150,150,150,0.2); margin-top:20px; height:20px; padding:3px; width:492px; border-radius:5px; border:1px solid #ccc;" );
addStyleRule( "#pm5544StoreContainer input[type='submit']", "box-shadow:0 0 5px rgba(150,150,150,0.2); text-align:center; height:auto; line-height:20px; background:#fff; width:500px;" );
addHandler( background, "click", removeElements );
background.id = "pm5544StoreBackground";
frag.appendChild( background );
removeThese.push( background );
container.id = "pm5544StoreContainer";
container.innerHTML = "<h1>Save form state as:</h1>";
frag.appendChild( container );
removeThese.push( container );
dInput.type = "text";
dInput.placeholder = "description";
container.appendChild( dInput );
button.type = "submit";
button.value = "save...";
container.appendChild( button );
addHandler(
container
, "submit"
, function( e ) {
stopEvent( e );
var inputObject = getAllInputValues();
if ( dInput.value && inputObject ) {
ob.push(
{
description: dInput.value
, values: inputObject
}
);
localStorage.setItem(
str
, JSON.stringify( ob )
);
}
removeElements();
}
, false
);
doc.body.appendChild( frag );
container.querySelector( "input" ).select();
} ) ( this, this.document );