Merge pull request #355 from SynBioDex/fix-image-export-of-plasmid-edges

Exported images of plasmids fix

Author: cjmyers

SBOLCanvasFrontend/src/app/graph-helpers.ts

@@ -1891,6 +1891,22 @@ export class GraphHelpers extends GraphBase {
         return false
     }
 
+    /**
+     * Returns true if there is a Chromosomal Locus or Circular Backbone
+     * in the current graph view 
+     */
+    protected atLeastOneCircularOrChromosomalInGraph() {
+        let allGraphCells = this.graph.getDefaultParent().children
+        if (allGraphCells != null) {
+            for (let i = 0; i < allGraphCells.length; i++) {
+                if (allGraphCells[i].hasCircularBackbone() || allGraphCells[i].hasChromosomalLocus()) {
+                    return true
+                }
+            }
+        }
+        return false
+    }
+
     /**
      * Made specifically for undo, since it does not affect glyph info.
      * Removes "Circular" from the "otherTypes" property of Circuit Containers.

SBOLCanvasFrontend/src/app/graph.service.ts

@@ -1526,6 +1526,12 @@ export class GraphService extends GraphHelpers {
         var bounds = this.graph.getGraphBounds()
         var vs = this.graph.view.scale
 
+        // To prevent the plasmid edges from being cut off in exported images
+        if(this.atLeastOneCircularOrChromosomalInGraph()){
+            bounds.x -= 50
+            bounds.width += 100
+        }
+
         // Prepares SVG document that holds the output
         var svgDoc = mx.mxUtils.createXmlDocument()
         var root = (svgDoc.createElementNS != null) ?
@@ -1580,6 +1586,12 @@ export class GraphService extends GraphHelpers {
         let bounds = this.graph.getGraphBounds()
         let vs = this.graph.view.scale
 
+        // To prevent the plasmid edges from being cut off in exported images
+        if(this.atLeastOneCircularOrChromosomalInGraph()){
+            bounds.x -= 50
+            bounds.width += 100
+        }
+
         let xmlDoc = mx.mxUtils.createXmlDocument()
         let root = xmlDoc.createElement('output')
         xmlDoc.appendChild(root)