glenux-contrib/metamaps--metamaps
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added star to edges to indicate that there's multiple synapses there

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This commit is contained in:
Connor Turland 2014-11-05 11:41:26 -05:00
parent 0b7702062f
commit b7ecf4ca8c
1 changed files with 24 additions and 56 deletions
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80
app/assets/javascripts/src/Metamaps.JIT.js
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@ -130,6 +130,16 @@ Metamaps.JIT = {
var showDesc = adj.getData("showDesc");
var drawStar = function (context, x, y) {
var starImage = Metamaps.JIT.synapseStarImage;
var starImageLoaded = starImage.complete ||
(typeof starImage.naturalWidth !== "undefined" &&
starImage.naturalWidth !== 0)
if (starImageLoaded) {
context.drawImage(starImage, x, y, 16, 16);
}
};
if (desc != "" && showDesc) {
// '&' to '&'
desc = Metamaps.Util.decodeEntities(desc);
@ -150,6 +160,7 @@ Metamaps.JIT = {
var x = (pos.x + posChild.x - width) / 2;
var y = ((pos.y + posChild.y) / 2) - height / 2;
var radius = 5;
//render background
@ -172,64 +183,21 @@ Metamaps.JIT = {
for (index = 0; index < arrayOfLabelLines.length; ++index) {
ctx.fillText(arrayOfLabelLines[index], x + (width / 2), y + 5 + (16 * index));
}
if (adj.getData("synapses").length > 1) {
drawStar(ctx, x + width, y);
}
}
else if (showDesc) {
if (adj.getData("synapses").length > 1) {
var ctx = canvas.getCtx();
var x = (pos.x + posChild.x) / 2;
var y = (pos.y + posChild.y) / 2;
drawStar(ctx, x, y);
}
}
}, // edgeRender
edgeRenderEmbed: function (adj, canvas) {
//get nodes cartesian coordinates
var pos = adj.nodeFrom.pos.getc(true);
var posChild = adj.nodeTo.pos.getc(true);
var directionCat = adj.getData("category");
//label placement on edges
Metamaps.JIT.renderEdgeArrows(this.edgeHelper, adj);
//check for edge label in data
var desc = adj.getData("desc");
var showDesc = adj.getData("showDesc");
if (desc != "" && showDesc) {
// '&amp;' to '&'
desc = Metamaps.Util.decodeEntities(desc);
//now adjust the label placement
var ctx = canvas.getCtx();
ctx.font = 'bold 14px arial';
ctx.fillStyle = '#FFF';
ctx.textBaseline = 'hanging';
var arrayOfLabelLines = Metamaps.Util.splitLine(desc, 30).split('\n');
var index, lineWidths = [];
for (index = 0; index < arrayOfLabelLines.length; ++index) {
lineWidths.push(ctx.measureText(arrayOfLabelLines[index]).width)
}
var width = Math.max.apply(null, lineWidths) + 8;
var height = (16 * arrayOfLabelLines.length) + 8;
var x = (pos.x + posChild.x - width) / 2;
var y = ((pos.y + posChild.y) / 2) - height / 2;
var radius = 5;
//render background
ctx.beginPath();
ctx.moveTo(x + radius, y);
ctx.lineTo(x + width - radius, y);
ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
ctx.lineTo(x + width, y + height - radius);
ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
ctx.lineTo(x + radius, y + height);
ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
ctx.lineTo(x, y + radius);
ctx.quadraticCurveTo(x, y, x + radius, y);
ctx.closePath();
ctx.fill();
//render text
ctx.fillStyle = '#222222';
ctx.textAlign = 'center';
for (index = 0; index < arrayOfLabelLines.length; ++index) {
ctx.fillText(arrayOfLabelLines[index], x + (width / 2), y + 5 + (16 * index));
}
}
}, // edgeRenderEmbed
ForceDirected: {
animateSavedLayout: {
modes: ['linear'],