jsrrdgraph: Set original step when change time interval.

3 files changed, 8 insertions, 4 deletions

diff --git a/js/RrdCmdLine.js b/js/RrdCmdLine.js
index c222498..48b3d9d 100644
--- a/js/RrdCmdLine.js
+++ b/js/RrdCmdLine.js
@@ -252,6 +252,7 @@ RrdCmdLine.prototype = {
                                 break;
                         case 'step':
                                 this.graph.step = parseInt(value, 10);
+                                this.graph.step_orig = this.graph.step;
                                 break;
                         case 'start':
                         case 's':
diff --git a/js/RrdGraph.js b/js/RrdGraph.js
index 038668e..c2457c9 100644
--- a/js/RrdGraph.js
+++ b/js/RrdGraph.js
@@ -210,8 +210,10 @@ RrdGraphDesc.prototype.def = function (graph, vname, rrdfile, name, cf, step, st
         this.ds_nam = name;
         this.cf = RrdGraphDesc.cf_conv(cf);
 
-        if (step != undefined && step != null)
+        if (step != undefined && step != null) {
                 this.step = step;
+                this.step_orig = step;
+        }
         if (start != undefined && start != null)
                 start_t = new RrdTime(start);
         if (end != undefined && end != null)
@@ -757,6 +759,7 @@ var RrdGraph = function (gfx, data)
         this.watermark = null; /* watermark for graph */
         this.tabwidth = 40; /* tabwdith */
         this.step = 0; /* any preference for the default step ? */
+        this.step_orig = 0; /* any preference for the default step ? */
         this.setminval = Number.NaN; /* extreme values in the data */
         this.setmaxval = Number.NaN;
         this.rigid = false;    /* do not expand range even with values outside */
@@ -2650,11 +2653,10 @@ RrdGraph.prototype.graph_paint_init = function()
         this.minval = this.setminval;
         this.maxval = this.setmaxval;
 
-        this.step = Math.max(this.step, (this.end - this.start) / this.xsize);
+        this.step = Math.max(this.step_orig, (this.end - this.start) / this.xsize);
 
         for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-                this.gdes[i].step = 0;  // FIXME 0?
-                this.gdes[i].step_orig = this.step;
+                this.gdes[i].step = this.gdes[i].step_orig;
                 this.gdes[i].start = this.start; // FIXME SHIFT
 //      this.gdes[i].start_orig = this.start;
                 this.gdes[i].end = this.end; // FIXME SHIFT
diff --git a/js/RrdJson.js b/js/RrdJson.js
index 4ddcbc2..eef555c 100644
--- a/js/RrdJson.js
+++ b/js/RrdJson.js
@@ -139,6 +139,7 @@ RrdJson.prototype = {
                                         break;
                                 case 'step':
                                         this.graph.step = this.json.step;
+                                        this.graph.step_orig = this.json.step;
                                         break;
                                 case 'start':
                                         this.graph.start_t = new RrdTime(this.json.start);