tooltip.js
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(function ($) {
$.fn.tooltip = function (options) {
var timeout = null,
margin = 5;
// Defaults
var defaults = {
delay: 350
};
// Remove tooltip from the activator
if (options === "remove") {
this.each(function(){
$('#' + $(this).attr('data-tooltip-id')).remove();
$(this).off('mouseenter.tooltip mouseleave.tooltip');
});
return false;
}
options = $.extend(defaults, options);
return this.each(function(){
var tooltipId = Materialize.guid();
var origin = $(this);
origin.attr('data-tooltip-id', tooltipId);
// Create Text span
var tooltip_text = $('<span></span>').text(origin.attr('data-tooltip'));
// Create tooltip
var newTooltip = $('<div></div>');
newTooltip.addClass('material-tooltip').append(tooltip_text)
.appendTo($('body'))
.attr('id', tooltipId);
var backdrop = $('<div></div>').addClass('backdrop');
backdrop.appendTo(newTooltip);
backdrop.css({ top: 0, left:0 });
//Destroy previously binded events
origin.off('mouseenter.tooltip mouseleave.tooltip');
// Mouse In
var started = false, timeoutRef;
origin.on({
'mouseenter.tooltip': function(e) {
var tooltip_delay = origin.attr('data-delay');
tooltip_delay = (tooltip_delay === undefined || tooltip_delay === '') ?
options.delay : tooltip_delay;
timeoutRef = setTimeout(function(){
started = true;
newTooltip.velocity('stop');
backdrop.velocity('stop');
newTooltip.css({ display: 'block', left: '0px', top: '0px' });
// Set Tooltip text
newTooltip.children('span').text(origin.attr('data-tooltip'));
// Tooltip positioning
var originWidth = origin.outerWidth();
var originHeight = origin.outerHeight();
var tooltipPosition = origin.attr('data-position');
var tooltipHeight = newTooltip.outerHeight();
var tooltipWidth = newTooltip.outerWidth();
var tooltipVerticalMovement = '0px';
var tooltipHorizontalMovement = '0px';
var scale_factor = 8;
var targetTop, targetLeft, newCoordinates;
if (tooltipPosition === "top") {
// Top Position
targetTop = origin.offset().top - tooltipHeight - margin;
targetLeft = origin.offset().left + originWidth/2 - tooltipWidth/2;
newCoordinates = repositionWithinScreen(targetLeft, targetTop, tooltipWidth, tooltipHeight);
tooltipVerticalMovement = '-10px';
backdrop.css({
borderRadius: '14px 14px 0 0',
transformOrigin: '50% 90%',
marginTop: tooltipHeight,
marginLeft: (tooltipWidth/2) - (backdrop.width()/2)
});
}
// Left Position
else if (tooltipPosition === "left") {
targetTop = origin.offset().top + originHeight/2 - tooltipHeight/2;
targetLeft = origin.offset().left - tooltipWidth - margin;
newCoordinates = repositionWithinScreen(targetLeft, targetTop, tooltipWidth, tooltipHeight);
tooltipHorizontalMovement = '-10px';
backdrop.css({
width: '14px',
height: '14px',
borderRadius: '14px 0 0 14px',
transformOrigin: '95% 50%',
marginTop: tooltipHeight/2,
marginLeft: tooltipWidth
});
}
// Right Position
else if (tooltipPosition === "right") {
targetTop = origin.offset().top + originHeight/2 - tooltipHeight/2;
targetLeft = origin.offset().left + originWidth + margin;
newCoordinates = repositionWithinScreen(targetLeft, targetTop, tooltipWidth, tooltipHeight);
tooltipHorizontalMovement = '+10px';
backdrop.css({
width: '14px',
height: '14px',
borderRadius: '0 14px 14px 0',
transformOrigin: '5% 50%',
marginTop: tooltipHeight/2,
marginLeft: '0px'
});
}
else {
// Bottom Position
targetTop = origin.offset().top + origin.outerHeight() + margin;
targetLeft = origin.offset().left + originWidth/2 - tooltipWidth/2;
newCoordinates = repositionWithinScreen(targetLeft, targetTop, tooltipWidth, tooltipHeight);
tooltipVerticalMovement = '+10px';
backdrop.css({
marginLeft: (tooltipWidth/2) - (backdrop.width()/2)
});
}
// Set tooptip css placement
newTooltip.css({
top: newCoordinates.y,
left: newCoordinates.x
});
// Calculate Scale to fill
scale_factor = tooltipWidth / 8;
if (scale_factor < 8) {
scale_factor = 8;
}
if (tooltipPosition === "right" || tooltipPosition === "left") {
scale_factor = tooltipWidth / 10;
if (scale_factor < 6)
scale_factor = 6;
}
newTooltip.velocity({ marginTop: tooltipVerticalMovement, marginLeft: tooltipHorizontalMovement}, { duration: 350, queue: false })
.velocity({opacity: 1}, {duration: 300, delay: 50, queue: false});
backdrop.css({ display: 'block' })
.velocity({opacity:1},{duration: 55, delay: 0, queue: false})
.velocity({scale: scale_factor}, {duration: 300, delay: 0, queue: false, easing: 'easeInOutQuad'});
}, tooltip_delay); // End Interval
// Mouse Out
},
'mouseleave.tooltip': function(){
// Reset State
started = false;
clearTimeout(timeoutRef);
// Animate back
setTimeout(function() {
if (started != true) {
newTooltip.velocity({
opacity: 0, marginTop: 0, marginLeft: 0}, { duration: 225, queue: false});
backdrop.velocity({opacity: 0, scale: 1}, {
duration:225,
queue: false,
complete: function(){
backdrop.css('display', 'none');
newTooltip.css('display', 'none');
started = false;}
});
}
},225);
}
});
});
};
var repositionWithinScreen = function(x, y, width, height) {
var newX = x
var newY = y;
if (newX < 0) {
newX = 4;
} else if (newX + width > window.innerWidth) {
newX -= newX + width - window.innerWidth;
}
if (newY < 0) {
newY = 4;
} else if (newY + height > window.innerHeight + $(window).scrollTop) {
newY -= newY + height - window.innerHeight;
}
return {x: newX, y: newY};
};
$(document).ready(function(){
$('.tooltipped').tooltip();
});
}( jQuery ));