Fix legend when svg is hidden - #468

10 years ago · 932b7fbacf
3 changed files with 9 additions and 9 deletions
--- a/c3.js
+++ b/c3.js
@ -3010,14 +3010,14 @@
                         .style("fill-opacity", opacityForText));
    };
    c3_chart_internal_fn.getTextRect = function (text, cls) {
-        var rect;
-        this.svg.selectAll('.dummy')
+        var svg = this.d3.select('body').append("svg").style('visibility', 'hidden'), rect;
+        svg.selectAll('.dummy')
            .data([text])
          .enter().append('text')
            .classed(cls ? cls : "", true)
            .text(text)
-          .each(function () { rect = this.getBoundingClientRect(); })
-            .remove();
+          .each(function () { rect = this.getBoundingClientRect(); });
+        svg.remove();
        return rect;
    };
    c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
--- a/c3.min.js
+++ b/c3.min.js
--- a/src/text.js
+++ b/src/text.js
@ -48,14 +48,14 @@ c3_chart_internal_fn.addTransitionForText = function (transitions, xForText, yFo
                     .style("fill-opacity", opacityForText));
 };
 c3_chart_internal_fn.getTextRect = function (text, cls) {
-    var rect;
-    this.svg.selectAll('.dummy')
+    var svg = this.d3.select('body').append("svg").style('visibility', 'hidden'), rect;
+    svg.selectAll('.dummy')
        .data([text])
      .enter().append('text')
        .classed(cls ? cls : "", true)
        .text(text)
-      .each(function () { rect = this.getBoundingClientRect(); })
-        .remove();
+      .each(function () { rect = this.getBoundingClientRect(); });
+    svg.remove();
    return rect;
 };
 c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {