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// Compute common (joint) values over multiple charts.
// commonMin & commonMax
NETDATA.commonMin = {
keys: {},
latest: {},
globalReset: function () {
this.keys = {};
this.latest = {};
},
get: function (state) {
if (typeof state.tmp.__commonMin === 'undefined') {
// get the commonMin setting
state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
}
let min = state.data.min;
let name = state.tmp.__commonMin;
if (name === null) {
// we don't need commonMin
//state.log('no need for commonMin');
return min;
}
let t = this.keys[name];
if (typeof t === 'undefined') {
// add our commonMin
this.keys[name] = {};
t = this.keys[name];
}
let uuid = state.uuid;
if (typeof t[uuid] !== 'undefined') {
if (t[uuid] === min) {
//state.log('commonMin ' + state.tmp.__commonMin + ' not changed: ' + this.latest[name]);
return this.latest[name];
} else if (min < this.latest[name]) {
//state.log('commonMin ' + state.tmp.__commonMin + ' increased: ' + min);
t[uuid] = min;
this.latest[name] = min;
return min;
}
}
// add our min
t[uuid] = min;
// find the common min
let m = min;
// for (let i in t) {
// if (t.hasOwnProperty(i) && t[i] < m) m = t[i];
// }
for (var ti of Object.values(t)) {
if (ti < m) {
m = ti;
}
}
//state.log('commonMin ' + state.tmp.__commonMin + ' updated: ' + m);
this.latest[name] = m;
return m;
}
};
NETDATA.commonMax = {
keys: {},
latest: {},
globalReset: function () {
this.keys = {};
this.latest = {};
},
get: function (state) {
if (typeof state.tmp.__commonMax === 'undefined') {
// get the commonMax setting
state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
}
let max = state.data.max;
let name = state.tmp.__commonMax;
if (name === null) {
// we don't need commonMax
//state.log('no need for commonMax');
return max;
}
let t = this.keys[name];
if (typeof t === 'undefined') {
// add our commonMax
this.keys[name] = {};
t = this.keys[name];
}
let uuid = state.uuid;
if (typeof t[uuid] !== 'undefined') {
if (t[uuid] === max) {
//state.log('commonMax ' + state.tmp.__commonMax + ' not changed: ' + this.latest[name]);
return this.latest[name];
} else if (max > this.latest[name]) {
//state.log('commonMax ' + state.tmp.__commonMax + ' increased: ' + max);
t[uuid] = max;
this.latest[name] = max;
return max;
}
}
// add our max
t[uuid] = max;
// find the common max
let m = max;
// for (let i in t) {
// if (t.hasOwnProperty(i) && t[i] > m) m = t[i];
// }
for (var ti of Object.values(t)) {
if (ti > m) {
m = ti;
}
}
//state.log('commonMax ' + state.tmp.__commonMax + ' updated: ' + m);
this.latest[name] = m;
return m;
}
};
NETDATA.commonColors = {
keys: {},
globalReset: function () {
this.keys = {};
},
get: function (state, label) {
let ret = this.refill(state);
if (typeof ret.assigned[label] === 'undefined') {
ret.assigned[label] = ret.available.shift();
}
return ret.assigned[label];
},
refill: function (state) {
let ret, len;
if (typeof state.tmp.__commonColors === 'undefined') {
ret = this.prepare(state);
} else {
ret = this.keys[state.tmp.__commonColors];
if (typeof ret === 'undefined') {
ret = this.prepare(state);
}
}
if (ret.available.length === 0) {
if (ret.copy_theme || ret.custom.length === 0) {
// copy the theme colors
len = NETDATA.themes.current.colors.length;
while (len--) {
ret.available.unshift(NETDATA.themes.current.colors[len]);
}
}
// copy the custom colors
len = ret.custom.length;
while (len--) {
ret.available.unshift(ret.custom[len]);
}
}
state.colors_assigned = ret.assigned;
state.colors_available = ret.available;
state.colors_custom = ret.custom;
return ret;
},
__read_custom_colors: function (state, ret) {
// add the user supplied colors
let c = NETDATA.dataAttribute(state.element, 'colors', undefined);
if (typeof c === 'string' && c.length > 0) {
c = c.split(' ');
let len = c.length;
if (len > 0 && c[len - 1] === 'ONLY') {
len--;
ret.copy_theme = false;
}
while (len--) {
ret.custom.unshift(c[len]);
}
}
},
prepare: function (state) {
let has_custom_colors = false;
if (typeof state.tmp.__commonColors === 'undefined') {
let defname = state.chart.context;
// if this chart has data-colors=""
// we should use the chart uuid as the default key (private palette)
// (data-common-colors="NAME" will be used anyways)
let c = NETDATA.dataAttribute(state.element, 'colors', undefined);
if (typeof c === 'string' && c.length > 0) {
defname = state.uuid;
has_custom_colors = true;
}
// get the commonColors setting
state.tmp.__commonColors = NETDATA.dataAttribute(state.element, 'common-colors', defname);
}
let name = state.tmp.__commonColors;
let ret = this.keys[name];
if (typeof ret === 'undefined') {
// add our commonMax
this.keys[name] = {
assigned: {}, // name-value of dimensions and their colors
available: [], // an array of colors available to be used
custom: [], // the array of colors defined by the user
charts: {}, // the charts linked to this
copy_theme: true
};
ret = this.keys[name];
}
if (typeof ret.charts[state.uuid] === 'undefined') {
ret.charts[state.uuid] = state;
if (has_custom_colors) {
this.__read_custom_colors(state, ret);
}
}
return ret;
}
};
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