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https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
Minimise link redrawing
This commit is contained in:
Nick O'Leary
parent
eacf41a4f6
commit
f26cadab7f
@ -581,9 +581,8 @@ RED.view = (function() {
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updateActiveNodes();
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setDirty(true);
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}
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redraw();
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// clear mouse event vars
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resetMouseVars();
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redraw();
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}
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$('#btn-zoom-out').click(function() {zoomOut();});
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@ -1127,9 +1126,11 @@ RED.view = (function() {
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vis.attr("transform","scale("+scaleFactor+")");
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outer.attr("width", space_width*scaleFactor).attr("height", space_height*scaleFactor);
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// Don't bother redrawing nodes if we're drawing links
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if (mouse_mode != RED.state.JOINING) {
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// Don't bother redrawing nodes if we're drawing links
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var dirtyNodes = {};
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if (activeSubflow) {
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var subflowOutputs = vis.selectAll(".subflowoutput").data(activeSubflow.out,function(d,i){ return d.id;});
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subflowOutputs.exit().remove();
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@ -1223,6 +1224,7 @@ RED.view = (function() {
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output.selectAll(".subflowport").classed("node_selected",function(d) { return d.selected; })
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output.selectAll(".port_index").text(function(d){ return d.i+1});
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output.attr("transform", function(d) { return "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")"; });
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dirtyNodes[d.id] = d;
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d.dirty = false;
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}
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});
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@ -1231,6 +1233,7 @@ RED.view = (function() {
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var input = d3.select(this);
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input.selectAll(".subflowport").classed("node_selected",function(d) { return d.selected; })
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input.attr("transform", function(d) { return "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")"; });
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dirtyNodes[d.id] = d;
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d.dirty = false;
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}
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});
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@ -1431,6 +1434,7 @@ RED.view = (function() {
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node.each(function(d,i) {
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if (d.dirty) {
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dirtyNodes[d.id] = d;
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//if (d.x < -50) deleteSelection(); // Delete nodes if dragged back to palette
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if (d.resize) {
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var l = d._def.label;
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@ -1596,81 +1600,87 @@ RED.view = (function() {
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d.dirty = false;
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}
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});
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var link = vis.selectAll(".link").data(
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activeLinks,
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function(d) {
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return d.source.id+":"+d.sourcePort+":"+d.target.id+":"+d.target.i;
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}
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);
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var linkEnter = link.enter().insert("g",".node").attr("class","link");
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linkEnter.each(function(d,i) {
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var l = d3.select(this);
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d.added = true;
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l.append("svg:path").attr("class","link_background link_path")
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.on("mousedown",function(d) {
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mousedown_link = d;
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clearSelection();
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selected_link = mousedown_link;
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updateSelection();
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redraw();
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focusView();
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d3.event.stopPropagation();
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})
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.on("touchstart",function(d) {
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mousedown_link = d;
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clearSelection();
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selected_link = mousedown_link;
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updateSelection();
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redraw();
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focusView();
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d3.event.stopPropagation();
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});
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l.append("svg:path").attr("class","link_outline link_path");
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l.append("svg:path").attr("class","link_line link_path")
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.classed("link_subflow", function(d) { return activeSubflow && (d.source.type === "subflow" || d.target.type === "subflow") });
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});
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link.exit().remove();
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var links = vis.selectAll(".link_path");
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links.each(function(d) {
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var link = d3.select(this);
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if (d.added || d===selected_link || d.selected || dirtyNodes[d.source.id] || dirtyNodes[d.target.id]) {
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link.attr("d",function(d){
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var numOutputs = d.source.outputs || 1;
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var sourcePort = d.sourcePort || 0;
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var y = -((numOutputs-1)/2)*13 +13*sourcePort;
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var dy = d.target.y-(d.source.y+y);
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var dx = (d.target.x-d.target.w/2)-(d.source.x+d.source.w/2);
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var delta = Math.sqrt(dy*dy+dx*dx);
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var scale = lineCurveScale;
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var scaleY = 0;
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if (delta < node_width) {
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scale = 0.75-0.75*((node_width-delta)/node_width);
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}
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if (dx < 0) {
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scale += 2*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
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if (Math.abs(dy) < 3*node_height) {
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scaleY = ((dy>0)?0.5:-0.5)*(((3*node_height)-Math.abs(dy))/(3*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
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}
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}
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d.x1 = d.source.x+d.source.w/2;
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d.y1 = d.source.y+y;
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d.x2 = d.target.x-d.target.w/2;
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d.y2 = d.target.y;
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return "M "+(d.source.x+d.source.w/2)+" "+(d.source.y+y)+
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" C "+(d.source.x+d.source.w/2+scale*node_width)+" "+(d.source.y+y+scaleY*node_height)+" "+
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(d.target.x-d.target.w/2-scale*node_width)+" "+(d.target.y-scaleY*node_height)+" "+
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(d.target.x-d.target.w/2)+" "+d.target.y;
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});
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}
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})
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link.classed("link_selected", function(d) {
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delete d.added;
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return d === selected_link || d.selected;
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});
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link.classed("link_unknown",function(d) { return d.target.type == "unknown" || d.source.type == "unknown"});
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}
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var link = vis.selectAll(".link").data(
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activeLinks,
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function(d) {
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return d.source.id+":"+d.sourcePort+":"+d.target.id+":"+d.target.i;
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}
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);
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var linkEnter = link.enter().insert("g",".node").attr("class","link");
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linkEnter.each(function(d,i) {
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var l = d3.select(this);
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l.append("svg:path").attr("class","link_background link_path")
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.on("mousedown",function(d) {
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mousedown_link = d;
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clearSelection();
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selected_link = mousedown_link;
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updateSelection();
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redraw();
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focusView();
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d3.event.stopPropagation();
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})
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.on("touchstart",function(d) {
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mousedown_link = d;
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clearSelection();
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selected_link = mousedown_link;
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updateSelection();
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redraw();
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focusView();
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d3.event.stopPropagation();
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});
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l.append("svg:path").attr("class","link_outline link_path");
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l.append("svg:path").attr("class","link_line link_path")
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.classed("link_subflow", function(d) { return activeSubflow && (d.source.type === "subflow" || d.target.type === "subflow") });
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});
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link.exit().remove();
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var links = vis.selectAll(".link_path")
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links.attr("d",function(d){
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var numOutputs = d.source.outputs || 1;
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var sourcePort = d.sourcePort || 0;
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var y = -((numOutputs-1)/2)*13 +13*sourcePort;
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var dy = d.target.y-(d.source.y+y);
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var dx = (d.target.x-d.target.w/2)-(d.source.x+d.source.w/2);
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var delta = Math.sqrt(dy*dy+dx*dx);
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var scale = lineCurveScale;
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var scaleY = 0;
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if (delta < node_width) {
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scale = 0.75-0.75*((node_width-delta)/node_width);
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}
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if (dx < 0) {
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scale += 2*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
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if (Math.abs(dy) < 3*node_height) {
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scaleY = ((dy>0)?0.5:-0.5)*(((3*node_height)-Math.abs(dy))/(3*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
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}
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}
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d.x1 = d.source.x+d.source.w/2;
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d.y1 = d.source.y+y;
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d.x2 = d.target.x-d.target.w/2;
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d.y2 = d.target.y;
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return "M "+(d.source.x+d.source.w/2)+" "+(d.source.y+y)+
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" C "+(d.source.x+d.source.w/2+scale*node_width)+" "+(d.source.y+y+scaleY*node_height)+" "+
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(d.target.x-d.target.w/2-scale*node_width)+" "+(d.target.y-scaleY*node_height)+" "+
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(d.target.x-d.target.w/2)+" "+d.target.y;
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})
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link.classed("link_selected", function(d) { return d === selected_link || d.selected; });
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link.classed("link_unknown",function(d) { return d.target.type == "unknown" || d.source.type == "unknown"});
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if (d3.event) {
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d3.event.preventDefault();
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}
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