diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/rrdFlot.js | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/src/lib/rrdFlot.js b/src/lib/rrdFlot.js index 4356e6e..c9dbf9c 100644 --- a/src/lib/rrdFlot.js +++ b/src/lib/rrdFlot.js @@ -28,15 +28,30 @@ /* graph_options defaults
* {
* legend: { position:"nw",noColumns:3},
+ * lines: { show:true },
* yaxis: { autoscaleMargin: 0.20}
* }
+ *
+ * ds_graph_options is a dictionary of DS_name,
+ * with each element being a graph_option
+ * The defaults for each element are
+ * {
+ * label: ds_name
+ * color: ds_index
+ * lines: { show:true }
+ * yaxis: 1
+ * }
*/
-function rrdFlot(html_id, rrd_file, graph_options) {
+function rrdFlot(html_id, rrd_file, graph_options, ds_graph_options) {
this.html_id=html_id;
this.rrd_file=rrd_file;
this.graph_options=graph_options;
-
+ if (ds_graph_options==null) {
+ this.ds_graph_options=new Object(); // empty object, just not to be null
+ } else {
+ this.ds_graph_options=ds_graph_options;
+ }
this.selection_range=new rrdFlotSelection();
this.createHTML();
@@ -184,13 +199,22 @@ rrdFlot.prototype.populateDScb = function() { for (var i=0; i<nrDSs; i++) {
var ds=this.rrd_file.getDS(i);
var name=ds.getName();
+ var label=name;
+ if (this.ds_graph_options[name]!=null) {
+ var dgo=this.ds_graph_options[name];
+ if (dgo['label']!=null) {
+ // if the user provided the label, use it
+ label=dgo['label'];
+ }
+ }
+
var cb_el = document.createElement("input");
cb_el.type = "checkbox";
cb_el.name = "ds";
cb_el.value = name;
cb_el.checked = cb_el.defaultChecked = (i==0);
form_el.appendChild(cb_el);
- form_el.appendChild(document.createTextNode(name));
+ form_el.appendChild(document.createTextNode(label));
form_el.appendChild(document.createElement('br'));
}
};
@@ -225,8 +249,28 @@ rrdFlot.prototype.drawFlotGraph = function() { var flot_obj=rrdRRA2FlotObj(this.rrd_file,rra_idx,ds_idxs);
// fix the colors, based on the position in the RRD
- for (var i=0; i<ds_colors.length; i++) {
- flot_obj.data[i].color=ds_colors[i];
+ for (var i=0; i<flot_obj.data.length; i++) {
+ var name=flot_obj.data[i].label;
+ var color=ds_colors[i]; // default color is the index
+ if (this.ds_graph_options[name]!=null) {
+ var dgo=this.ds_graph_options[name];
+ if (dgo['color']!=null) {
+ color=dgo['color'];
+ }
+ if (dgo['label']!=null) {
+ // if the user provided the label, use it
+ flot_obj.data[i].label=dgo['label'];
+ }
+ if (dgo['lines']!=null) {
+ // if the user provided the label, use it
+ flot_obj.data[i].lines=dgo['lines'];
+ }
+ if (dgo['yaxis']!=null) {
+ // if the user provided the label, use it
+ flot_obj.data[i].yaxis=dgo['yaxis'];
+ }
+ }
+ flot_obj.data[i].color=color;
}
// finally do the real plotting
@@ -272,6 +316,9 @@ rrdFlot.prototype.bindFlotGraph = function(flot_obj) { graph_options.yaxis.autoscaleMargin=this.graph_options.yaxis.autoscaleMargin;
}
}
+ if (this.graph_options.lines!=null) {
+ graph_options.lines=this.graph_options.lines;
+ }
}
var scale_options = {
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