added suppport for different type of label placement in sankey

ishubin · Feb 6, 2025 · 770df32 · 770df32
1 parent 55c0e38
commit 770df32
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/assets/templates/diagrams/sankey.json b/assets/templates/diagrams/sankey.json
diff --git a/assets/templates/diagrams/sankey.yaml b/assets/templates/diagrams/sankey.yaml
@@ -37,6 +37,7 @@ args:
     font: {group: "Labels & Text", type: font, value: Arial, name: Font}
     fontSize: {group: "Labels & Text", type: number, value: 14, name: "Font size", min: 1}
     magnify: {group: "Labels & Text", type: number, value: 0, name: "Magnify value", min: -50, max: 50}
+    labelPlacement: {group: "Labels & Text", type: choice, value: inside, options: ['inside', 'outside'], name: 'Label placement'}
     conLabel: {group: "Labels & Text", type: boolean, value: true, name: 'Connection labels enabled', description: 'Displays the value of the connection'}
     showLabelFill: {group: "Labels & Text", type: boolean, value: true, name: 'Show label fill'}
     labelFill: {group: "Labels & Text", type: advanced-color, value: {type: solid, color: '#FCE6AC82'}, name: "Background", depends: {showLabelFill: true}}

diff --git a/assets/templates/diagrams/src/sankey.sch b/assets/templates/diagrams/src/sankey.sch
@@ -549,7 +549,13 @@ func buildNodeLabels(nodes) {
         local valueText = formatValue(node.value)
         local valueTextSize = calculateTextSize(valueText, font, valueFontSize)
         local totalHeight = if (showNodeValues) { (textHeight + valueTextSize.h)*1.8 + 8 } else { textHeight*1.8 + 8 }
-        local isLeft = node.dstNodes.size == 0
+        local isLeft = true
+        if (labelPlacement == 'outside') {
+            isLeft = ((node.level + 1) / max(1, levels.size) <= 0.5)
+        } else {
+            isLeft = (node.dstNodes.size == 0)
+        }
+
         local halign = 'right'
         if (!isLeft) {
             halign = 'left'