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/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-use-before-define, prefer-arrow-callback, no-else-return, consistent-return, prefer-template, quotes, one-var, one-var-declaration-per-line, no-unused-vars, no-return-assign, comma-dangle, quote-props, no-unused-expressions, no-sequences, object-shorthand, max-len */
(function() {
gl.ImageFile = (function() {
var prepareFrames;
// Width where images must fits in, for 2-up this gets divided by 2
ImageFile.availWidth = 900;
ImageFile.viewModes = ['two-up', 'swipe'];
function ImageFile(file) {
this.file = file;
this.requestImageInfo($('.two-up.view .frame.deleted img', this.file), (function(_this) {
// Determine if old and new file has same dimensions, if not show 'two-up' view
return function(deletedWidth, deletedHeight) {
return _this.requestImageInfo($('.two-up.view .frame.added img', _this.file), function(width, height) {
if (width === deletedWidth && height === deletedHeight) {
return _this.initViewModes();
} else {
return _this.initView('two-up');
}
});
};
})(this));
}
ImageFile.prototype.initViewModes = function() {
var viewMode;
viewMode = ImageFile.viewModes[0];
$('.view-modes', this.file).removeClass('hide');
$('.view-modes-menu', this.file).on('click', 'li', (function(_this) {
return function(event) {
if (!$(event.currentTarget).hasClass('active')) {
return _this.activateViewMode(event.currentTarget.className);
}
};
})(this));
return this.activateViewMode(viewMode);
};
ImageFile.prototype.activateViewMode = function(viewMode) {
$('.view-modes-menu li', this.file).removeClass('active').filter("." + viewMode).addClass('active');
return $(".view:visible:not(." + viewMode + ")", this.file).fadeOut(200, (function(_this) {
return function() {
$(".view." + viewMode, _this.file).fadeIn(200);
return _this.initView(viewMode);
};
})(this));
};
ImageFile.prototype.initView = function(viewMode) {
return this.views[viewMode].call(this);
};
ImageFile.prototype.initDraggable = function($el, padding, callback) {
var dragging = false;
var $body = $('body');
var $offsetEl = $el.parent();
$el.off('mousedown').on('mousedown', function() {
dragging = true;
$body.css('user-select', 'none');
});
$body.off('mouseup').off('mousemove').on('mouseup', function() {
dragging = false;
$body.css('user-select', '');
})
.on('mousemove', function(e) {
var left;
if (!dragging) return;
left = e.pageX - ($offsetEl.offset().left + padding);
callback(e, left);
});
};
prepareFrames = function(view) {
var maxHeight, maxWidth;
maxWidth = 0;
maxHeight = 0;
$('.frame', view).each((function(_this) {
return function(index, frame) {
var height, width;
width = $(frame).width();
height = $(frame).height();
maxWidth = width > maxWidth ? width : maxWidth;
return maxHeight = height > maxHeight ? height : maxHeight;
};
})(this)).css({
width: maxWidth,
height: maxHeight
});
return [maxWidth, maxHeight];
};
ImageFile.prototype.views = {
'two-up': function() {
return $('.two-up.view .wrap', this.file).each((function(_this) {
return function(index, wrap) {
$('img', wrap).each(function() {
var currentWidth;
currentWidth = $(this).width();
if (currentWidth > ImageFile.availWidth / 2) {
return $(this).width(ImageFile.availWidth / 2);
}
});
return _this.requestImageInfo($('img', wrap), function(width, height) {
$('.image-info .meta-width', wrap).text(width + "px");
$('.image-info .meta-height', wrap).text(height + "px");
return $('.image-info', wrap).removeClass('hide');
});
};
})(this));
},
'swipe': function() {
var maxHeight, maxWidth;
maxWidth = 0;
maxHeight = 0;
return $('.swipe.view', this.file).each((function(_this) {
return function(index, view) {
var $swipeWrap, $swipeBar, $swipeFrame, wrapPadding, ref;
ref = prepareFrames(view), maxWidth = ref[0], maxHeight = ref[1];
$swipeFrame = $('.swipe-frame', view);
$swipeWrap = $('.swipe-wrap', view);
$swipeBar = $('.swipe-bar', view);
$swipeFrame.css({
width: maxWidth + 16,
height: maxHeight + 28
});
$swipeWrap.css({
width: maxWidth + 1,
height: maxHeight + 2
});
$swipeBar.css({
left: 0
});
wrapPadding = parseInt($swipeWrap.css('right').replace('px', ''), 10);
_this.initDraggable($swipeBar, wrapPadding, function(e, left) {
if (left > 0 && left < $swipeFrame.width() - (wrapPadding * 2)) {
$swipeWrap.width((maxWidth + 1) - left);
$swipeBar.css('left', left);
}
});
};
})(this));
},
'onion-skin': function() {
var dragTrackWidth, maxHeight, maxWidth;
maxWidth = 0;
maxHeight = 0;
dragTrackWidth = $('.drag-track', this.file).width() - $('.dragger', this.file).width();
return $('.onion-skin.view', this.file).each((function(_this) {
return function(index, view) {
var $frame, $track, $dragger, $frameAdded, framePadding, ref, dragging = false;
ref = prepareFrames(view), maxWidth = ref[0], maxHeight = ref[1];
$frame = $('.onion-skin-frame', view);
$frameAdded = $('.frame.added', view);
$track = $('.drag-track', view);
$dragger = $('.dragger', $track);
$frame.css({
width: maxWidth + 16,
height: maxHeight + 28
});
$('.swipe-wrap', view).css({
width: maxWidth + 1,
height: maxHeight + 2
});
$dragger.css({
left: dragTrackWidth
});
framePadding = parseInt($frameAdded.css('right').replace('px', ''), 10);
_this.initDraggable($dragger, framePadding, function(e, left) {
var opacity = left / dragTrackWidth;
if (opacity >= 0 && opacity <= 1) {
$dragger.css('left', left);
$frameAdded.css('opacity', opacity);
}
});
};
})(this));
}
};
ImageFile.prototype.requestImageInfo = function(img, callback) {
var domImg;
domImg = img.get(0);
if (domImg) {
if (domImg.complete) {
return callback.call(this, domImg.naturalWidth, domImg.naturalHeight);
} else {
return img.on('load', (function(_this) {
return function() {
return callback.call(_this, domImg.naturalWidth, domImg.naturalHeight);
};
})(this));
}
}
};
return ImageFile;
})();
}).call(window);
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