mirror of
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1 line
3.1 KiB
JavaScript
1 line
3.1 KiB
JavaScript
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(function(){"use strict";function a(a,b){function c(a){var b=window.getComputedStyle(a),c=function(a){return parseInt(b.getPropertyValue(a).replace("px",""))||0};return{left:a.getBoundingClientRect().left+c("padding-left"),top:a.getBoundingClientRect().top+c("padding-top")}}function d(a){t=!1,l.removeEventListener("mousemove",i),l.removeEventListener("mouseup",h),r.length||(p=null)}function e(a){s[a.data.node.id]||(r.push(a.data.node),s[a.data.node.id]=!0,r.length&&!t&&(p=r[r.length-1],n.addEventListener("mousedown",g)))}function f(a){var b=r.map(function(a){return a}).indexOf(a.data.node);r.splice(b,1),delete s[a.data.node.id],r.length&&!t?p=r[r.length-1]:n.removeEventListener("mousedown",g)}function g(a){t=!0;var b=k.graph.nodes().length;if(p&&b>1){n.removeEventListener("mousedown",g),l.addEventListener("mousemove",i),l.addEventListener("mouseup",h);var c,d;for(c in k.cameras)d=k.cameras[c],void 0!==d.edgequadtree&&(d.edgequadtree._enabled=!1);m.settings({mouseEnabled:!1,enableHovering:!1}),k.refresh(),j.dispatchEvent("startdrag",{node:p,captor:a,renderer:m})}}function h(a){t=!1,n.addEventListener("mousedown",g),l.removeEventListener("mousemove",i),l.removeEventListener("mouseup",h);var b,c;for(b in k.cameras)c=k.cameras[b],void 0!==c.edgequadtree&&(c.edgequadtree._enabled=!0);m.settings({mouseEnabled:!0,enableHovering:!0}),k.refresh(),u&&j.dispatchEvent("drop",{node:p,captor:a,renderer:m}),j.dispatchEvent("dragend",{node:p,captor:a,renderer:m}),u=!1,p=null}function i(a){function b(){for(var b=c(m.container),d=a.clientX-b.left,e=a.clientY-b.top,f=Math.cos(o.angle),g=Math.sin(o.angle),h=k.graph.nodes(),i=[],l=0;l<2;l++){var n=h[l],r={x:n.x*f+n.y*g,y:n.y*f-n.x*g,renX:n[q+"x"],renY:n[q+"y"]};i.push(r)}if(i[0].x===i[1].x&&i[0].y===i[1].y){var s=0===i[0].renX?1:i[0].renX,t=0===i[0].renY?1:i[0].renY;d=i[0].x/s*(d-i[0].renX)+i[0].x,e=i[0].y/t*(e-i[0].renY)+i[0].y}else{var s=(i[1].renX-i[0].renX)/(i[1].x-i[0].x),t=(i[1].renY-i[0].renY)/(i[1].y-i[0].y);i[1].x===i[0].x&&(s=t),i[1].y===i[0].y&&(t=s),d=(d-i[0].renX)/s+i[0].x,e=(e-i[0].renY)/t+i[0].y}p.x=d*f-e*g,p.y=e*f+d*g,k.refresh(),u=!0,j.dispatchEvent("drag",{node:p,captor:a,renderer:m})}if(navigator.userAgent.toLowerCase().indexOf("firefox")>-1){clearTimeout(d);var d=setTimeout(b,0)}else b()}sigma.classes.dispatcher.extend(this);var j=this,k=a,l=document.body,m=b,n=b.container.lastChild,o=b.camera,p=null,q="",r=[],s={},t=!1,u=!1;b instanceof sigma.renderers.svg&&(n=b.container.firstChild),q=b instanceof sigma.renderers.webgl?b.options.prefix.substr(5):b.options.prefix,b.bind("overNode",e),b.bind("outNode",f),b.bind("click",d),k.bind("kill",function(){j.unbindAll()}),this.unbindAll=function(){n.removeEventListener("mousedown",g),l.removeEventListener("mousemove",i),l.removeEventListener("mouseup",h),m.unbind("overNode",e),m.unbind("outNode",f)}}if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.plugins");var b={};sigma.plugins.dragNodes=function(c,d){return b[c.id]||(b[c.id]=new a(c,d)),c.bind("kill",function(){sigma.plugins.killDragNodes(c)}),b[c.id]},sigma.plugins.killDragNodes=function(c){b[c.id]instanceof a&&(b[c.id].unbindAll(),delete b[c.id])}}).call(window);
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