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-rw-r--r--catalog-ui/src/third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js56
1 files changed, 34 insertions, 22 deletions
diff --git a/catalog-ui/src/third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js b/catalog-ui/src/third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js
index 9be07f2ea1..5731019ff0 100644
--- a/catalog-ui/src/third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js
+++ b/catalog-ui/src/third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js
@@ -199,19 +199,7 @@
this._resizeCanvas();
- this._arrowEnd = this._cy.add({
- group: "nodes",
- data: {
- "id": this.ARROW_END_ID,
- "position": {x: 150, y: 150}
- }
- });
- this._arrowEnd.css({
- "opacity": 0,
- 'width': 0.0001,
- 'height': 0.0001
- });
},
registerHandle: function (handle) {
@@ -250,7 +238,7 @@
_drawHandle: function (handle, target) {
var position = this._getHandlePosition(handle, target);
- var handleSize = target.renderedWidth() / 4;
+ var handleSize = this.HANDLE_SIZE * this._cy.zoom();
this._ctx.beginPath();
@@ -273,6 +261,22 @@
if (this._hover) {
toNode = this._hover;
} else {
+ if (!this._arrowEnd) {
+ this._arrowEnd = this._cy.add({
+ group: "nodes",
+ data: {
+ "id": this.ARROW_END_ID,
+ "position": { x: 150, y: 150 }
+ }
+ });
+
+ this._arrowEnd.css({
+ "opacity": 0,
+ 'width': 0.0001,
+ 'height': 0.0001
+ });
+ }
+
this._arrowEnd.renderedPosition(toPosition);
toNode = this._arrowEnd;
}
@@ -302,6 +306,11 @@
this._edge.remove();
this._edge = null;
}
+
+ if (this._arrowEnd) {
+ this._arrowEnd.remove();
+ this._arrowEnd = null;
+ }
},
_resizeCanvas: function () {
this._$canvas
@@ -460,19 +469,20 @@
}
}
},
- _getHandlePosition: function (handle, target) {
+ _getHandlePosition: function (handle, target) { //returns the upper left point at which to begin drawing the handle
var position = target.renderedPosition();
var width = target.renderedWidth();
var height = target.renderedHeight();
+ var renderedHandleSize = this.HANDLE_SIZE * this._cy.zoom(); //actual number of pixels that handle will use.
var xpos = null;
var ypos = null;
switch (handle.positionX) {
case "left":
- xpos = position.x - width / 4;
+ xpos = position.x - width / 2;
break;
- case "right":
- xpos = position.x + width / 4;
+ case "right": //position.x is the exact center of the node. Need to add half the width to get to the right edge. Then, subtract renderedHandleSize to get handle position
+ xpos = position.x + width / 2 - renderedHandleSize;
break;
case "center":
xpos = position.x;
@@ -481,19 +491,21 @@
switch (handle.positionY) {
case "top":
- ypos = position.y - width / 2;
+ ypos = position.y - height / 2;
break;
case "center":
ypos = position.y;
break;
case "bottom":
- ypos = position.y + width / 2;
+ ypos = position.y + height / 2;
break;
}
- var offsetX = 0;
- var offsetY = 0;
- return {x: xpos + offsetX, y: ypos + offsetY};
+ //Determine if handle will be too big and require offset to prevent it from covering too much of the node icon (in which case, move it over by 1/2 the renderedHandleSize, so half the handle overlaps).
+ //Need to use target.width(), which is the size of the node, unrelated to rendered size/zoom
+ var offsetX = (target.width() < 30) ? renderedHandleSize / 2 : 0;
+ var offsetY = (target.height() < 30) ? renderedHandleSize /2 : 0;
+ return {x: xpos + offsetX, y: ypos - offsetY};
},
_getEdgeCSSByHandle: function (handle) {
var color = handle.lineColor ? handle.lineColor : handle.color;