Completed LuCI Livestats

2 files changed, 269 insertions, 12 deletions

diff --git a/applications/luci-livestats/htdocs/luci-static/resources/livestats/GraphRPC.js b/applications/luci-livestats/htdocs/luci-static/resources/livestats/GraphRPC.js
index a7a89ffd2..712d8b1f7 100644
--- a/applications/luci-livestats/htdocs/luci-static/resources/livestats/GraphRPC.js
+++ b/applications/luci-livestats/htdocs/luci-static/resources/livestats/GraphRPC.js
@@ -1,4 +1,4 @@
-function Graph(container, id, options, transform) {
+function Graph(container, id, options, transform, legend) {
 	if( !options ) options = { };
 
 	this.id        = id;
@@ -7,11 +7,15 @@ function Graph(container, id, options, transform) {
 	this.options   = options;
 	this.transform = transform;
 	this.dataset   = {};
-
+	this.legend    = legend;
+	this.lastvalue = {};
+	
+	var name  = (options.instanceNames && options.instanceNames[id])
+		? options.instanceNames[id] : id;
 	var graph = document.createElement('div');
 	var label = document.createElement('h2');
 		label.innerHTML = options.title
-			? options.title.replace("%s", id ) : id;
+			? options.title.replace("%s", name) : name;
 
 	container.appendChild( label );
 	container.appendChild( graph );
@@ -49,8 +53,9 @@ Graph.prototype.updateDataset = function(name, value) {
 		value = Math.abs( parseFloat(value) || 0 );
 
 		if( this.transform ) {
-			value = ( ds[this.cols-1][1] > 0 )
-				? this.transform(value, ds[this.cols-1][1]) : 0.01;
+			var orgvalue = value;
+			value = (this.lastvalue[name]) ? this.transform(value, this.lastvalue[name]) : 0;
+			this.lastvalue[name] = orgvalue;
 		}
 
 		ds[this.cols-1][1] = value;
@@ -66,6 +71,13 @@ Graph.prototype.draw = function( options ) {
 
 		this.layout.evaluate();
 		this.plotter.render();
+
+		legend_opt = {
+			"legendStyle": 'li'
+		};
+
+		legend = new LegendRenderer(this.legend, this.layout, legend_opt);
+		legend.render();
 	}
 }
 
@@ -78,7 +90,7 @@ Graph.prototype.redraw = function() {
 }
 
 
-function GraphRPC(container, uri, action, interval, datasources, options, transform) {
+function GraphRPC(container, uri, action, interval, datasources, options, transform, legend) {
 	this.ds        = datasources;
 	this.uri       = uri
 	this.action    = action;
@@ -87,6 +99,7 @@ function GraphRPC(container, uri, action, interval, datasources, options, transf
 	this.transform = transform;
 	this.proxy     = new MochiKit.JsonRpc.JsonRpcProxy(uri, [action]);
 	this.graphs    = new Object();
+	this.legend    = legend;
 
 	this.requestData();
 
@@ -126,7 +139,7 @@ GraphRPC.prototype.dispatchResponse = function(response) {
 				if( !this.graphs[gid] ) {
 					this.options.title = otle.replace('%s', instance) + ': ' + name;
 					this.graphs[gid] = new Graph(
-						this.container, gid, this.options, this.transform
+						this.container, gid, this.options, this.transform, this.legend
 					);
 
 					this.graphs[gid].addDataset(name);
@@ -135,10 +148,18 @@ GraphRPC.prototype.dispatchResponse = function(response) {
 				}
 				else
 				{
-					this.graphs[gid].updateDataset(
-						name, instance
+					var datum = null;
+					if (typeof (this.ds[i]) == "function") {
+						datum = this.ds[i](
+							instance ? response[instance] : response
+						);
+					} else {
+						datum = instance
 							? response[instance][this.ds[i]]
 							: response[this.ds[i]]
+					}
+					this.graphs[gid].updateDataset(
+						name, datum
 					);
 					this.graphs[gid].redraw();
 				}
@@ -148,7 +169,7 @@ GraphRPC.prototype.dispatchResponse = function(response) {
 			var gid = instance || 'livegraph';
 			if( !this.graphs[gid] ) {
 				this.graphs[gid] = new Graph(
-					this.container, gid, this.options, this.transform
+					this.container, gid, this.options, this.transform, this.legend
 				);
 
 				for( var i = 0; i < this.ds.length; i += 2 ) {
@@ -161,10 +182,18 @@ GraphRPC.prototype.dispatchResponse = function(response) {
 			else {
 				for( var i = 0; i < this.ds.length; i += 2 ) {
 					var name = this.ds[i+1] || this.ds[i];
-					this.graphs[gid].updateDataset(
-						name, instance
+					var datum = null;
+					if (typeof (this.ds[i]) == "function") {
+						datum = this.ds[i](
+							instance ? response[instance] : response
+						);
+					} else {
+						datum = instance
 							? response[instance][this.ds[i]]
 							: response[this.ds[i]]
+					}
+					this.graphs[gid].updateDataset(
+						name, datum
 					);
 				}
 
diff --git a/applications/luci-livestats/htdocs/luci-static/resources/livestats/Legend.js b/applications/luci-livestats/htdocs/luci-static/resources/livestats/Legend.js
new file mode 100644
index 000000000..4707c1ed3
--- /dev/null
+++ b/applications/luci-livestats/htdocs/luci-static/resources/livestats/Legend.js
@@ -0,0 +1,228 @@
+/*
+    PlotKit Legend
+    ==============
+
+    Handles laying out legend into a DIV element.
+    Design taken from comments of Julien Wajsberg (http://
+groups.google.com/group/plotkit/browse_thread/thread/2494bd88e6e9956d)
+    and Niel Domingo (http://nieldomingo.blogspot.com/2007/03/legend-
+for-plotkit-bar-charts.html).
+
+    Copyright
+    ---------
+    Copyright 2007 (c) Ashley Martens <ashleym_72^yahoo.com>
+    For use under the BSD license. <http://www.liquidx.net/plotkit>
+
+*/
+
+try {
+    if (typeof(MochiKit.Base) == 'undefined'   ||
+        typeof(MochiKit.DOM) == 'undefined'    ||
+        typeof(MochiKit.Color) == 'undefined'  ||
+        typeof(MochiKit.Format) == 'undefined' ||
+        typeof(PlotKit.Layout) == 'undefined'  ||
+        typeof(PlotKit.Base) == 'undefined')
+    {
+        throw "";
+    }
+}
+catch (e) {
+    throw "PlotKit depends on MochiKit.{Base,Color,DOM,Format}"
+}
+
+if (typeof(PlotKit.LegendRenderer) == 'undefined') {
+    PlotKit.LegendRenderer = {};
+}
+
+PlotKit.LegendRenderer = function(element, layout, options) {
+    if (arguments.length  > 0)
+        this.__init__(element, layout, options);
+};
+
+
+PlotKit.LegendRenderer.NAME = "PlotKit.LegendRenderer";
+PlotKit.LegendRenderer.VERSION = PlotKit.VERSION;
+
+PlotKit.LegendRenderer.__repr__ = function() {
+    return "[" + this.NAME + " " + this.VERSION + "]";
+};
+
+PlotKit.LegendRenderer.toString = function() {
+    return this.__repr__();
+}
+
+PlotKit.LegendRenderer.prototype.__init__ = function(element, layout,
+options) {
+    var isNil = MochiKit.Base.isUndefinedOrNull;
+    var Color = MochiKit.Color.Color;
+
+    this.options = {
+        "colorScheme": PlotKit.Base.palette(PlotKit.Base.baseColors()
+[0]),
+        "legendStyle": "table",
+        "tableColumns": 1
+    };
+    MochiKit.Base.update(this.options, options ? options : {});
+
+    this.layout = layout;
+    this.element = MochiKit.DOM.getElement(element);
+    // --- check whether everything is ok before we return
+
+    if (isNil(this.element))
+        throw "CRILegend() - passed legend is not found";
+};
+
+PlotKit.LegendRenderer.prototype.render = function() {
+    var colorScheme = this.options.colorScheme;
+    var setNames = PlotKit.Base.keys(this.layout.datasets);
+    
+        MochiKit.DOM.updateNodeAttributes(this.element,
+        {"style":
+      {"margin":"0"
+      ,"padding":"0"
+      }
+    });
+
+
+    var ul = null;
+    if (this.options.legendStyle == "table")
+        ul = this._renderListTable(colorScheme, setNames);
+    else
+        ul = this._renderList(colorScheme, setNames);
+    MochiKit.DOM.appendChildNodes(this.element, ul);
+ 
+};
+
+PlotKit.LegendRenderer.prototype._renderList = function(colorScheme,
+setNames) {
+    var ul = document.createElement("ul");
+    ul.style.listStyle="none";
+    ul.style.margin="0";
+    ul.style.padding="0";
+
+    var colorCount = colorScheme.length;
+    var setCount = setNames.length;
+
+    for (var i = 0; i < setCount; i++) {
+        var setName = setNames[i];
+        var color = colorScheme[i%colorCount];
+        var le = this._renderElement(setName, color.toRGBString());
+        ul.appendChild(le);
+    }
+
+    return ul;
+};
+
+PlotKit.LegendRenderer.prototype._renderElement = function(title,
+color) {
+    var le = MochiKit.DOM.createDOM("li");
+    le.style.listStyle="none";
+    le.style.margin="0 0 5px 0";
+    le.style.padding="0";
+
+    var box = MochiKit.DOM.createDOM("div");
+    box.style.backgroundColor=color;
+    box.style.width="2em";
+    box.style.height=".9em";
+    box.style.border="1px solid black";
+    box.style.margin="0 5px 0 0";
+    box.style.padding="0";
+    box.style.float="left";
+    box.style.cssFloat="left";
+    box.style.clear="left";
+    box.style.cssClear="left";
+
+    var span = MochiKit.DOM.createDOM("span");
+    MochiKit.DOM.appendChildNodes(span,
+document.createTextNode(title));
+
+    MochiKit.DOM.appendChildNodes(le, box, span);
+
+    return le;
+};
+
+PlotKit.LegendRenderer.prototype._renderListTable =
+function(colorScheme, setNames) {
+        var tabhead = THEAD(null);
+        var tabfoot = TFOOT(null);
+
+        var tabbody = partial(TBODY, null);
+        var i = 0;
+        var colorcount = colorScheme.length;
+        var tabrow;
+        var columns = this.options.tableColumns;
+        for (var label in setNames)
+        {
+                var legendcolor = colorScheme[i%colorcount];
+                var legendbox = DIV({'class': 'legendbox', 'className':
+'legendbox'});
+                legendbox.style.width = "10px";
+                legendbox.style.height = "10px";
+                legendbox.style.backgroundColor = legendcolor.toHexString();
+                legendbox.style.borderWidth = "1px";
+                legendbox.style.borderStyle = "solid";
+                legendbox.style.borderColor = "#000000";
+                var boxcell = TD(null, legendbox);
+
+                var labelcell = TD({'class': 'legendlabel', 'className':
+'legendlabel'}, setNames[i]);
+                labelcell.style.font = 'normal 10pt arial';
+
+                if (!(i % columns))
+                {
+                    tabrow = partial(TR, null);
+                }
+                tabrow = partial(tabrow, boxcell, labelcell);
+                if (i % columns)
+                {
+                    tabrow = tabrow(null);
+                    tabbody = partial(tabbody, tabrow);
+                }
+                i++;
+        }
+        if ((setNames % columns))
+        {
+                tabrow = tabrow(TD(null), TD(null));
+                tabbody = partial(tabbody, tabrow);
+        }
+        tabbody = tabbody(null);
+
+        tab = TABLE({'class': 'legendcontainer', 'className':
+'legendcontainer'}, tabhead, tabfoot, tabbody);
+        tab.style.marginTop = '1em';
+        tab.style.marginLeft = '1.5em';
+        tab.style.marginBottom = '1em';
+        tab.style.borderWidth = '1px';
+        tab.style.borderStyle = 'solid';
+        tab.style.borderColor = '#000000';
+
+        return tab;
+};
+
+// Namespace Iniitialisation
+
+PlotKit.Legend = {}
+PlotKit.Legend.LegendRenderer = PlotKit.LegendRenderer;
+
+
+PlotKit.Legend.EXPORT = [
+    "LegendRenderer"
+];
+
+PlotKit.Legend.EXPORT_OK = [
+    "LegendRenderer"
+];
+
+PlotKit.Legend.__new__ = function() {
+    var m = MochiKit.Base;
+
+    m.nameFunctions(this);
+
+    this.EXPORT_TAGS = {
+        ":common": this.EXPORT,
+        ":all": m.concat(this.EXPORT, this.EXPORT_OK)
+    };
+};
+
+PlotKit.Legend.__new__();
+MochiKit.Base._exportSymbols(this, PlotKit.Legend);
\ No newline at end of file