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var d3_control = function(element, svgurl, mapping) {
this.mapping = mapping;
this.element = element;
var control = this;
d3.xml(svgurl, "image/svg+xml", function(xml) {
element[0][0].appendChild(xml.documentElement);
element.select("svg")
.style("width","100%").style("height", "100%");
// Setup mapping
for (var element_id in this.mapping) {
control.initElement(element_id);
}
d3.json("../all_values", function(response) {
control.process(response.data);
control.reload(response.time_stop);
});
});
};
d3_control.prototype = {
initElement:function(element_id) {
var options = this.mapping[element_id];
d3.select(document.getElementById(element_id))
.on("mouseover",
function() {
if( typeof(options._plot) == "undefined") {
options._plot = d3.select(this.ownerSVGElement)
.append("svg:g")
.classed("d3.control_popup", true);
var startdate = (new Date().getTime()/1000) - 7*60*60*24;
var enddate = (new Date().getTime()/1000);
var plot = d3.plot(options._plot);
d3.json("../sensor/"+options.sensor+"/" + startdate + "/" + enddate,
function(resp) {
var data = resp.data.map(function(d) {
return [new Date(d[0]), d[1]];
});
plot.draw(data);
});
options._plot.on("mouseout",
function() {
if (options._plot.node().contains(d3.event.relatedTarget))
return;
options._plot
.transition()
.duration(1000)
.style("opacity", 0.0)
.remove();
});
var drag = d3.behavior.drag()
.on("dragstart", function() {
options._plot.on("mouseout", null);
options._plot.transition().duration(1000).style("opacity", 1.0);
delete options._plot;
d3.select(this).select("rect")
.style("stroke", "gray")
.style("stroke-width", "3px");
})
.on("drag", function(d,i){
d=[];
d.x = d3.event.x;
d.y = d3.event.y;
d3.select(this).attr("transform", "translate("+d.x+","+d.y+")");
})
.on("dragend", function() {
d3.select(this).on("mousedown.drag", null);
d3.select(this).on("click", function() { d3.select(this).remove(); });
});
options._plot.call(drag);
} else {
this.ownerSVGElement
.appendChild(options._plot.node());
options._plot.style("opacity", 1);
}
var xy = d3.svg.mouse(this.ownerSVGElement);
options._plot.attr("transform", "translate("+xy[0]+","+xy[1]+")");
});
},
process:function(data) {
for (var i in data) {
var row = data[i];
if (typeof(console) != "undefined") {
console.log("[" + d3.format("02d")(row.timestamp) + "] " +
row.name + " Value: " + row.value_real + " - " +
row.value_string);
}
for (var element_id in this.mapping) {
var options = this.mapping[element_id];
if (row.name == options.sensor){
d3.select(document.getElementById(element_id))
.text(""+row.value_real);
}
}
}
},
reload:function(time_stop) {
var url = "../stream";
if (time_stop != null)
url += "/" + time_stop;
var control = this;
d3.json(url, function(response) {
control.process(response.data);
control.reload(response.time_stop);
});
}
};
d3.control = function(element, svgurl, mapping) {
return new d3_control(element,svgurl,mapping);
};
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