1 files changed, 81 insertions, 0 deletions
diff --git a/web/nms.gathering.org/speedometer/c3-master/src/drag.js b/web/nms.gathering.org/speedometer/c3-master/src/drag.js
new file mode 100644
index 0000000..56ab070
--- /dev/null
+++ b/web/nms.gathering.org/speedometer/c3-master/src/drag.js
@@ -0,0 +1,81 @@
+c3_chart_internal_fn.drag = function (mouse) {
+    var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;
+    var sx, sy, mx, my, minX, maxX, minY, maxY;
+
+    if ($$.hasArcType()) { return; }
+    if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+    if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
+    if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection
+
+    sx = $$.dragStart[0];
+    sy = $$.dragStart[1];
+    mx = mouse[0];
+    my = mouse[1];
+    minX = Math.min(sx, mx);
+    maxX = Math.max(sx, mx);
+    minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my);
+    maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my);
+
+    main.select('.' + CLASS.dragarea)
+        .attr('x', minX)
+        .attr('y', minY)
+        .attr('width', maxX - minX)
+        .attr('height', maxY - minY);
+    // TODO: binary search when multiple xs
+    main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape)
+        .filter(function (d) { return config.data_selection_isselectable(d); })
+        .each(function (d, i) {
+            var shape = d3.select(this),
+                isSelected = shape.classed(CLASS.SELECTED),
+                isIncluded = shape.classed(CLASS.INCLUDED),
+                _x, _y, _w, _h, toggle, isWithin = false, box;
+            if (shape.classed(CLASS.circle)) {
+                _x = shape.attr("cx") * 1;
+                _y = shape.attr("cy") * 1;
+                toggle = $$.togglePoint;
+                isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
+            }
+            else if (shape.classed(CLASS.bar)) {
+                box = getPathBox(this);
+                _x = box.x;
+                _y = box.y;
+                _w = box.width;
+                _h = box.height;
+                toggle = $$.togglePath;
+                isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
+            } else {
+                // line/area selection not supported yet
+                return;
+            }
+            if (isWithin ^ isIncluded) {
+                shape.classed(CLASS.INCLUDED, !isIncluded);
+                // TODO: included/unincluded callback here
+                shape.classed(CLASS.SELECTED, !isSelected);
+                toggle.call($$, !isSelected, shape, d, i);
+            }
+        });
+};
+
+c3_chart_internal_fn.dragstart = function (mouse) {
+    var $$ = this, config = $$.config;
+    if ($$.hasArcType()) { return; }
+    if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+    $$.dragStart = mouse;
+    $$.main.select('.' + CLASS.chart).append('rect')
+        .attr('class', CLASS.dragarea)
+        .style('opacity', 0.1);
+    $$.dragging = true;
+};
+
+c3_chart_internal_fn.dragend = function () {
+    var $$ = this, config = $$.config;
+    if ($$.hasArcType()) { return; }
+    if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+    $$.main.select('.' + CLASS.dragarea)
+        .transition().duration(100)
+        .style('opacity', 0)
+        .remove();
+    $$.main.selectAll('.' + CLASS.shape)
+        .classed(CLASS.INCLUDED, false);
+    $$.dragging = false;
+};