glenux-contrib/metamaps--metamaps
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implemented mouseEnter and mouseLeave for edges and made them get all highlighted on mouse over

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This commit is contained in:
Devin Howard 2013-01-05 17:31:38 -05:00
parent 01ca6263e9
commit 4e7c7f5d1b
1 changed files with 55 additions and 11 deletions
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66
app/assets/javascripts/Jit/graphsettings.js
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@ -96,7 +96,6 @@ function graphSettings(type) {
},
//Add also a click handler to nodes
onClick: function (node, eventInfo, e) {
console.log(e);
if (e.target.id != "infovis-canvas") return false;
//clicking on a node, or clicking on blank part of canvas?
if (node.nodeFrom) {
@ -299,24 +298,30 @@ var renderMidArrow = function(from, to, dim, swap, canvas){
// compute the midpoint of the edge line
var midPoint = new $jit.Complex((to.x + from.x) / 2, (to.y + from.y) / 2);
// move midpoint by half the "length" of the arrow so the arrow is centered on the midpoint
midPoint.x += (vect.x / 0.7);
midPoint.y += (vect.y / 0.7);
var arrowPoint = new $jit.Complex((vect.x / 0.7) + midPoint.x, (vect.y / 0.7) + midPoint.y);
// compute the tail intersection point with the edge line
var intermediatePoint = new $jit.Complex(midPoint.x - vect.x,
midPoint.y - vect.y);
var intermediatePoint = new $jit.Complex(arrowPoint.x - vect.x,
arrowPoint.y - vect.y);
// vector perpendicular to vect
var normal = new $jit.Complex(-vect.y / 2, vect.x / 2);
var v1 = intermediatePoint.add(normal);
var v2 = intermediatePoint.$add(normal.$scale(-1));
//ctx.strokeStyle = 'black';
//draw circle
//ctx.strokeStyle = "rgb(150,0,0)";
//ctx.beginPath();
//ctx.arc(midPoint.x, midPoint.y, 8, 0, (Math.PI/180)*360, true);
//ctx.stroke();
//ctx.closePath();
//ctx.strokeStyle = "#222222";
ctx.beginPath();
ctx.moveTo(from.x, from.y);
ctx.lineTo(to.x, to.y);
ctx.stroke();
ctx.beginPath();
ctx.moveTo(v1.x, v1.y);
ctx.lineTo(midPoint.x, midPoint.y);
ctx.lineTo(arrowPoint.x, arrowPoint.y);
ctx.lineTo(v2.x, v2.y);
ctx.stroke();
};
@ -790,10 +795,49 @@ function onCreateLabelHandler(domElement, node) {
}//onCreateLabelHandler
var lol = new Object();
function onMouseMoveHandler(node, eventInfo, e) {
if (eventInfo.getEdge() != false) {
$('canvas').css('cursor', 'pointer');
} else {
$('canvas').css('cursor', 'default');
var edge = eventInfo.getEdge();
if (edge == false && lol['edgeHover']) {
//mouse not on an edge, but we were on an edge previously
onMouseLeave(lol['edgeHover']);
} else if (edge != false && lol['edgeHover'] == false) {
//mouse is on an edge, but there isn't a stored edge
onMouseEnter(edge);
} else if (edge != false && lol['edgeHover'] != edge) {
//mouse is on an edge, but a different edge is stored
onMouseLeave(lol['edgeHover'])
onMouseEnter(lol['edge']);
}
lol['edgeHover'] = edge;
}
function onMouseEnter(edge) {
console.log("Mouse enter");
$('canvas').css('cursor', 'pointer');
edge.setDataset('end', {
lineWidth: 4,
color: '#FFF'
});
Mconsole.fx.animate({
modes: ['edge-property:lineWidth:color'],
duration: 100
});
Mconsole.plot();
}
function onMouseLeave(edge) {
console.log("Mouse leave");
$('canvas').css('cursor', 'default');
edge.setDataset('end', {
lineWidth: 2,
color: '#222222'
});
Mconsole.fx.animate({
modes: ['edge-property:lineWidth:color'],
duration: 100
});
Mconsole.plot();
}