AIL-framework/var/www/static/js/plot-graph.js

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function Graph(id_pannel, path, header_size){
this.path = path;
this.id_pannel = id_pannel;
// Hide every header during initialisation
var false_tab = [];
for(i=0; i<header_size; i++){
false_tab[i] = false;
}
this.false_tab = false_tab;
g2 = new Dygraph(
document.getElementById(this.id_pannel),
// path to CSV file
//"{{ url_for('static', filename='csv/tldstrendingdata.csv') }}",
//"../static//csv/tldstrendingdata.csv",
this.path,
//window.csv,
{
rollPeriod: 1,
showRoller: true,
//drawPoints: true,
//fillGraph: true,
logscale: true,
animatedZooms: true,
labelsKMB: true,
highlightCircleSize: 3,
highlightSeriesOpts: {
strokeWidth: 3,
strokeBorderWidth: 1,
highlightCircleSize: 5,
},
underlayCallback: function(canvas, area, g) {
canvas.fillStyle = "rgba(255, 193, 37, 0.5)";
function highlight_period(x_start, x_end) {
var canvas_left_x = g.toDomXCoord(x_start);
var canvas_right_x = g.toDomXCoord(x_end);
var canvas_width = canvas_right_x - canvas_left_x;
canvas.fillRect(canvas_left_x, area.y, canvas_width, area.h);
}
var min_data_x = g.getValue(0,0);
var max_data_x = g.getValue(g.numRows()-1,0);
// get day of week
var d = new Date(min_data_x);
var dow = d.getUTCDay();
var ds = d.toUTCString();
var w = min_data_x;
// starting on Sunday is a special case
if (dow == 0) {
highlight_period(w,w+12*3600*1000);
}
// find first saturday
while (dow != 5) {
w += 24*3600*1000;
d = new Date(w);
dow = d.getUTCDay();
}
// shift back 1/2 day to center highlight around the point for the day
w -= 12*3600*1000;
while (w < max_data_x) {
var start_x_highlight = w;
var end_x_highlight = w + 2*24*3600*1000;
// make sure we don't try to plot outside the graph
if (start_x_highlight < min_data_x) {
start_x_highlight = min_data_x;
}
if (end_x_highlight > max_data_x) {
end_x_highlight = max_data_x;
}
highlight_period(start_x_highlight,end_x_highlight);
// calculate start of highlight for next Saturday
w += 7*24*3600*1000;
}
},
visibility: false_tab
});
this.graph = g2;
this.set_Visibility = setVis;
this.set_Visibility_andHide = setVis_andHide;
onclick = function(ev) {
if (g2.isSeriesLocked()) {
g2.clearSelection();
}
else {
g2.setSelection(g2.getSelection(), g2.getHighlightSeries(), true);
}
};
g2.updateOptions({clickCallback: onclick}, true);
var linear = document.getElementById("linear");
var log = document.getElementById("log");
linear.onclick = function() { setLog(false); }
log.onclick = function() { setLog(true); }
var setLog = function(val) {
g2.updateOptions({ logscale: val });
linear.disabled = !val;
log.disabled = val;
}
function unzoomGraph() {
g2.updateOptions({
dateWindow:null,
valueRange:null
});
}
// display the top headers
function setVis(max_display){
var headings = this.graph.getLabels();
headings.splice(0,1);
var sorted_list = new Array();
var today = new Date().getDate();
//today = new Date().getDate()-1; // Could take the top from yesterday so that we can see the current evolution
for( i=0; i<headings.length; i++){
var the_heading = headings[i];
//console.log('heading='+the_heading+' tab['+(today)+']['+(parseInt(i)+1)+']='+this.graph.getValue(today-1, parseInt(i)+1));
sorted_list.push({dom: the_heading, val: this.graph.getValue(today-1, parseInt(i)+1), index: parseInt(i)});
}
sorted_list.sort(function(a,b) {
return b.val - a.val;
});
var display_list = sorted_list.slice(0, max_display);
for( i=0; i<display_list.length; i++){
this.graph.setVisibility(display_list[i].index, true);
}
return sorted_list.slice(0, sorted_list.length);
}
function setVis_andHide(max_display, old_display){
display_list = this.set_Visibility(max_display);
for(i=max_display; i<old_display; i++) {
this.graph.setVisibility(display_list[i].index, false);
}
}
}