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updated backgroundDraggable jquery plugin with fork that allows for percentages: ad2c5a87d1

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This commit is contained in:
Julian Lam
2015-04-14 12:52:49 -04:00
parent 6a509a51db
commit e147328d53
2 changed files with 24 additions and 7 deletions
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27
public/vendor/jquery/draggable-background/backgroundDraggable.js vendored
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@@ -75,7 +75,7 @@
// Get the image's width and height if bound
var imageDimensions = { width: 0, height: 0 };
if (options.bound) {
if (options.bound || options.units == 'percent') {
imageDimensions = getBackgroundImageDimensions($el);
}
@@ -97,6 +97,12 @@
xPos = parseInt(pos[1]) || 0,
yPos = parseInt(pos[2]) || 0;
// We must convert percentage back to pixels
if (options.units == 'percent') {
xPos = Math.round(xPos / -200 * imageDimensions.width);
yPos = Math.round(yPos / -200 * imageDimensions.height);
}
$window.on('mousemove.dbg touchmove.dbg', function(e) {
e.preventDefault();
@@ -107,12 +113,22 @@
var x = e.clientX,
y = e.clientY;
xPos = options.axis === 'y' ? xPos : limit($el.innerWidth()-imageDimensions.width, 0, xPos+x-x0, options.bound);
yPos = options.axis === 'x' ? yPos : limit($el.innerHeight()-imageDimensions.height, 0, yPos+y-y0, options.bound);
if (options.units == 'percent') {
xPos = options.axis === 'y' ? xPos : limit(-imageDimensions.width/2, 0, xPos+x-x0, options.bound);
yPos = options.axis === 'x' ? yPos : limit(-imageDimensions.height/2, 0, yPos+y-y0, options.bound);
// Convert pixels to percentage
$el.css('background-position', xPos / imageDimensions.width * -200 + '% ' + yPos / imageDimensions.height * -200 + '%');
} else {
xPos = options.axis === 'y' ? xPos : limit($el.innerWidth()-imageDimensions.width, 0, xPos+x-x0, options.bound);
yPos = options.axis === 'x' ? yPos : limit($el.innerHeight()-imageDimensions.height, 0, yPos+y-y0, options.bound);
$el.css('background-position', xPos + 'px ' + yPos + 'px');
}
x0 = x;
y0 = y;
$el.css('background-position', xPos + 'px ' + yPos + 'px');
});
$window.on('mouseup.dbg touchend.dbg mouseleave.dbg', function() {
@@ -152,6 +168,7 @@
$.fn.backgroundDraggable.defaults = {
bound: true,
axis: undefined
axis: undefined,
units: 'pixels'
};
}(jQuery));