You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.3 KiB
73 lines
2.3 KiB
;(function() {
|
|
'use strict';
|
|
|
|
sigma.utils.pkg('sigma.svg.edges');
|
|
|
|
/**
|
|
* The default edge renderer. It renders the node as a simple line.
|
|
*/
|
|
sigma.svg.edges.def = {
|
|
|
|
/**
|
|
* SVG Element creation.
|
|
*
|
|
* @param {object} edge The edge object.
|
|
* @param {object} source The source node object.
|
|
* @param {object} target The target node object.
|
|
* @param {configurable} settings The settings function.
|
|
*/
|
|
create: function(edge, source, target, settings) {
|
|
var color = edge.color,
|
|
prefix = settings('prefix') || '',
|
|
edgeColor = settings('edgeColor'),
|
|
defaultNodeColor = settings('defaultNodeColor'),
|
|
defaultEdgeColor = settings('defaultEdgeColor');
|
|
|
|
if (!color)
|
|
switch (edgeColor) {
|
|
case 'source':
|
|
color = source.color || defaultNodeColor;
|
|
break;
|
|
case 'target':
|
|
color = target.color || defaultNodeColor;
|
|
break;
|
|
default:
|
|
color = defaultEdgeColor;
|
|
break;
|
|
}
|
|
|
|
var line = document.createElementNS(settings('xmlns'), 'line');
|
|
|
|
// Attributes
|
|
line.setAttributeNS(null, 'data-edge-id', edge.id);
|
|
line.setAttributeNS(null, 'class', settings('classPrefix') + '-edge');
|
|
line.setAttributeNS(null, 'stroke', color);
|
|
|
|
return line;
|
|
},
|
|
|
|
/**
|
|
* SVG Element update.
|
|
*
|
|
* @param {object} edge The edge object.
|
|
* @param {DOMElement} line The line DOM Element.
|
|
* @param {object} source The source node object.
|
|
* @param {object} target The target node object.
|
|
* @param {configurable} settings The settings function.
|
|
*/
|
|
update: function(edge, line, source, target, settings) {
|
|
var prefix = settings('prefix') || '';
|
|
|
|
line.setAttributeNS(null, 'stroke-width', edge[prefix + 'size'] || 1);
|
|
line.setAttributeNS(null, 'x1', source[prefix + 'x']);
|
|
line.setAttributeNS(null, 'y1', source[prefix + 'y']);
|
|
line.setAttributeNS(null, 'x2', target[prefix + 'x']);
|
|
line.setAttributeNS(null, 'y2', target[prefix + 'y']);
|
|
|
|
// Showing
|
|
line.style.display = '';
|
|
|
|
return this;
|
|
}
|
|
};
|
|
})();
|