MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */
var tooltips = document.querySelectorAll('.tooltip > span');

for (var i = 0; i < tooltips.length; i++){
	
	//tooltips with card images in them tend to be big and in some contexts, 
	// they might cover up the screen and make it difficult to un-hover.  In
	// those cases, the image can be clicked to temporarily disable the hover
	// for 1 second, which gives the system time to realize the mouse has moved.
	// On mobile...
	tooltips[i].addEventListener("click", function(e) 
	{
		this.classList.add("click-disabled");

		document.body.tabIndex = "-1";
		document.body.focus();
		var that = this;
		setTimeout(function() {
			that.classList.remove("click-disabled");
		}, 1000);
		
	}, false);
}

window.onmousemove = function (e) {
    var xoffset = (e.clientX + 20),
        yoffset = (e.clientY + 20);
    for (var i = 0; i < tooltips.length; i++) {
    	var tooltip_rect = tooltips[i].getBoundingClientRect();
    	if(tooltip_rect.width == 0)
    		continue;
    		
		var x = xoffset, y = yoffset;
    	
    	// console.log(tooltip_rect);
    	// console.log("Width: " + window.innerWidth);
    	// console.log("Height: " + window.innerHeight);
    	// console.log("X: " + x);
    	// console.log("Y: " + y);
    	
    	if ((xoffset + tooltip_rect.width) > window.innerWidth) // Out on the right
    		x = window.innerWidth - tooltip_rect.width;  
		if ((yoffset + tooltip_rect.height) > window.innerHeight) // Out on the bottom
    		y = window.innerHeight - tooltip_rect.height;
    	
    	// console.log("X: " + x);
    	// console.log("Y: " + y);
        tooltips[i].style.top = y + 'px';
        tooltips[i].style.left = x + 'px';
    }
};