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Add blinking to d3-alarm

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This commit is contained in:
Markus Grigull 2015-10-26 11:21:25 -04:00
parent e2866057a7
commit 1105506395
1 changed files with 33 additions and 11 deletions
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44
app/components/d3-alarm.js vendored
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@ -7,6 +7,9 @@ export default Ember.Component.extend({
size: 40,
value: 0,
alarmZones: [],
_blinking: false,
_blinkState: false,
didInsertElement: function() {
this._drawAlarm();
@ -34,20 +37,23 @@ export default Ember.Component.extend({
},
_redraw: function() {
var litAlarm = false;
var cx = this.size / 2;
var radius = this.size / 2 * 0.97;
var litAlarm = this._shouldLitAlarm();
for (var zone in this.alarmZones) {
var from = this.alarmZones[zone].from;
var to = this.alarmZones[zone].to;
if (this.value >= from && this.value <= to) {
litAlarm = true;
}
if (litAlarm && this._blinking === false) {
// start blinking
this._blinkState = true;
this._blinking = true;
} else if (litAlarm && this._blinking === true) {
// switch blink state
this._blinkState = !this._blinkState;
} else if (litAlarm === false && this._blinking === true) {
// stop blinking
this._blinking = false;
}
if (litAlarm) {
if (litAlarm && (this._blinking === true && this._blinkState === true)) {
this.svgBody.append("svg:circle")
.attr("cx", cx)
.attr("cy", cx)
@ -65,6 +71,22 @@ export default Ember.Component.extend({
.style("stroke-width", "0.5px");
}
// reschedule
}.observes('value')
if (this._blinking === true) {
Ember.run.later(this, this._redraw, 500);
}
}.observes('value'),
_shouldLitAlarm: function() {
for (var zone in this.alarmZones) {
// get border for zone
var from = this.alarmZones[zone].from;
var to = this.alarmZones[zone].to;
if (this.value >= from && this.value <= to) {
return true;
}
}
return false;
}
});