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Add ability to filter images #34

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Add ability to filter images #34

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1c1ebf9
Add ability to filter images
danielhusar Jan 20, 2015
ca0801d
Align filter with rest of body
danielhusar Jan 20, 2015
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120 changes: 96 additions & 24 deletions tasks/tpl/canvas.tpl
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Original file line number Diff line number Diff line change
Expand Up @@ -255,37 +255,64 @@
background-color: #0F3340;
box-shadow: inset 0 1px 2px #000;
}

.filter {
font-size: 1.2em;
color: white;
padding: 30px 0 0 30px;
}

.filter p {
margin: 8px 0;
}

.filter input {
border: 1px solid white;
padding: 3px;
margin-left: 5px;
}

.hidden {
display: none !important;
}
</style>
</head>
<body>
<h1><i></i>Photobox</h1>
<main class="">
<div class="filter">
<p>Show only modified: <input type="checkbox" name="modified" class="checkbox"></p>
<p>Treshold: <input type="number" name="treshold" value="0" class="treshold"></p>
</div>

<% _.each( _.keys( templateData ), function( url ) { %>
<% var name = url.replace( /(http:\/\/|https:\/\/)/, '' ).replace( /\//g, '-' ); %>
<div class="name"><a href="<%= url %>" data-name="<%= name %>" target="_blank"><%= name %></a></div>

<% _.each( templateData[ url ], function( size ) {%>
<div class="row">
<div class="size"><%= size %></div>
<div class="colContainer">
<div class="col">
<h2>Old screens</h2>
<img src="" class="last" data-src="img/last/<%= name %>-<%= size %>.png?<%= now %>" data-size="<%= size %>">
<p><%= timestamps.last %></p>
</div><div class="col">
<h2>Difference</h2>
<h3 class="processing">
<div id="semi_border"></div>
we are checking for different pixels..</h3>
<canvas>canvas is not supported</canvas>
</div><div class="col">
<h2>New Screens</h2>
<img src="" class="current" data-src="img/current/<%= name %>-<%= size %>.png?<%= now %>" data-size="<%= size %>">
<p><%= timestamps.current %></p>
<div class="wrap">
<% var name = url.replace( /(http:\/\/|https:\/\/)/, '' ).replace( /\//g, '-' ); %>
<div class="name"><a href="<%= url %>" data-name="<%= name %>" target="_blank"><%= name %></a></div>

<% _.each( templateData[ url ], function( size ) {%>
<div class="row">
<div class="size"><%= size %></div>
<div class="colContainer">
<div class="col">
<h2>Old screens</h2>
<img src="" class="last" data-src="img/last/<%= name %>-<%= size %>.png?<%= now %>" data-size="<%= size %>">
<p><%= timestamps.last %></p>
</div><div class="col">
<h2>Difference</h2>
<h3 class="processing">
<div id="semi_border"></div>
we are checking for different pixels..</h3>
<canvas>canvas is not supported</canvas>
</div><div class="col">
<h2>New Screens</h2>
<img src="" class="current" data-src="img/current/<%= name %>-<%= size %>.png?<%= now %>" data-size="<%= size %>">
<p><%= timestamps.current %></p>
</div>
</div>
</div>
</div>
<% } );%>
<% } );%>
</div>
<% } );%>
</main>

Expand All @@ -306,6 +333,50 @@
}
} );

/**
* Get the closest parent element by class name (similiar to jquery parent())
* @param {dom} element
* @param {string} class selector
* @return {dom|false} closest matched selector, or false for no match
*/
function getClosestClass ( elem, selector ) {
var firstChar = selector.charAt(0);
// Get closest match
for ( ; elem && elem !== document; elem = elem.parentNode ) {
if ( elem.classList.contains( selector.substr(1) ) ) {
return elem;
}
}
return false;
}

/**
* Plug in filter event so we can show just screenshot that have some different pixels
* @return {void}
*/
function filter () {
var checkbox = document.querySelector('.checkbox');
document.querySelector('.checkbox').onclick = function(){
if ( checkbox.checked ) {
var rows = document.querySelectorAll('[data-pixels]');
var treshold = Number(document.querySelector('.treshold').value);

[].forEach.call(rows, function (row) {
if ( Number(row.getAttribute('data-pixels')) < treshold ) {
row.classList.add('hidden');
}
});
} else {
[].forEach.call(document.querySelectorAll('[data-pixels]'), function (row) {
row.classList.remove('hidden');
});

}
};
}

filter();


/**
* prepareDiff inits the canvas for the DIFF and
Expand Down Expand Up @@ -351,8 +422,9 @@
worker.postMessage( data );
worker.addEventListener( 'message', function( e ) {
ctx.putImageData( e.data.imageData, 0, 0 );
processing.style.display = 'none'
processing.style.display = 'none';
console.warn( 'Found ', e.data.amount, 'different pixels' );
(getClosestClass(imgA, '.wrap')).setAttribute('data-pixels', e.data.amount);
}, false);

}
Expand Down