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authorKristian Lyngstol <kristian@bohemians.org>2015-04-02 19:24:45 +0200
committerKristian Lyngstol <kristian@bohemians.org>2015-04-02 19:24:45 +0200
commit0d8bba263dc195147d6fdb09662e7926f0a58b3e (patch)
tree4c570b4376c323e585120e7695b8715be7aa8881 /web/nms.gathering.org/speedometer/c3-master/src/zoom.js
parente4354b47bd8891c5b1ee591fdf74b3ca67eee461 (diff)
Bump lots of changes
Diffstat (limited to 'web/nms.gathering.org/speedometer/c3-master/src/zoom.js')
-rw-r--r--web/nms.gathering.org/speedometer/c3-master/src/zoom.js69
1 files changed, 69 insertions, 0 deletions
diff --git a/web/nms.gathering.org/speedometer/c3-master/src/zoom.js b/web/nms.gathering.org/speedometer/c3-master/src/zoom.js
new file mode 100644
index 0000000..b46a0b1
--- /dev/null
+++ b/web/nms.gathering.org/speedometer/c3-master/src/zoom.js
@@ -0,0 +1,69 @@
+c3_chart_internal_fn.initZoom = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config, startEvent;
+
+ $$.zoom = d3.behavior.zoom()
+ .on("zoomstart", function () {
+ startEvent = d3.event.sourceEvent;
+ $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
+ config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
+ })
+ .on("zoom", function () {
+ $$.redrawForZoom.call($$);
+ })
+ .on('zoomend', function () {
+ var event = d3.event.sourceEvent;
+ // if click, do nothing. otherwise, click interaction will be canceled.
+ if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
+ return;
+ }
+ $$.redrawEventRect();
+ $$.updateZoom();
+ config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
+ });
+ $$.zoom.scale = function (scale) {
+ return config.axis_rotated ? this.y(scale) : this.x(scale);
+ };
+ $$.zoom.orgScaleExtent = function () {
+ var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
+ return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
+ };
+ $$.zoom.updateScaleExtent = function () {
+ var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.orgXDomain),
+ extent = this.orgScaleExtent();
+ this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
+ return this;
+ };
+};
+c3_chart_internal_fn.updateZoom = function () {
+ var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {};
+ $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
+ $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
+};
+c3_chart_internal_fn.redrawForZoom = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x;
+ if (!config.zoom_enabled) {
+ return;
+ }
+ if ($$.filterTargetsToShow($$.data.targets).length === 0) {
+ return;
+ }
+ if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
+ x.domain(zoom.altDomain);
+ zoom.scale(x).updateScaleExtent();
+ return;
+ }
+ if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
+ x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
+ }
+ $$.redraw({
+ withTransition: false,
+ withY: config.zoom_rescale,
+ withSubchart: false,
+ withEventRect: false,
+ withDimension: false
+ });
+ if (d3.event.sourceEvent.type === 'mousemove') {
+ $$.cancelClick = true;
+ }
+ config.zoom_onzoom.call($$.api, x.orgDomain());
+};