alarm-rule-condition.component.ts
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///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
import { Component, forwardRef, Input, OnInit } from '@angular/core';
import {
ControlValueAccessor,
FormBuilder,
FormControl,
FormGroup,
NG_VALIDATORS,
NG_VALUE_ACCESSOR,
Validator,
Validators
} from '@angular/forms';
import { AlarmCondition } from '@shared/models/device.models';
import { MatDialog } from '@angular/material/dialog';
@Component({
selector: 'tb-alarm-rule-condition',
templateUrl: './alarm-rule-condition.component.html',
styleUrls: [],
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => AlarmRuleConditionComponent),
multi: true
},
{
provide: NG_VALIDATORS,
useExisting: forwardRef(() => AlarmRuleConditionComponent),
multi: true,
}
]
})
export class AlarmRuleConditionComponent implements ControlValueAccessor, OnInit, Validator {
@Input()
disabled: boolean;
private modelValue: AlarmCondition;
alarmRuleConditionFormGroup: FormGroup;
private propagateChange = (v: any) => { };
constructor(private dialog: MatDialog,
private fb: FormBuilder) {
}
registerOnChange(fn: any): void {
this.propagateChange = fn;
}
registerOnTouched(fn: any): void {
}
ngOnInit() {
this.alarmRuleConditionFormGroup = this.fb.group({
condition: [null, Validators.required],
durationUnit: [null],
durationValue: [null]
});
this.alarmRuleConditionFormGroup.valueChanges.subscribe(() => {
this.updateModel();
});
}
setDisabledState(isDisabled: boolean): void {
this.disabled = isDisabled;
if (this.disabled) {
this.alarmRuleConditionFormGroup.disable({emitEvent: false});
} else {
this.alarmRuleConditionFormGroup.enable({emitEvent: false});
}
}
writeValue(value: AlarmCondition): void {
this.modelValue = value;
this.alarmRuleConditionFormGroup.reset(this.modelValue, {emitEvent: false});
}
public validate(c: FormControl) {
return (this.alarmRuleConditionFormGroup.valid) ? null : {
alarmRuleCondition: {
valid: false,
},
};
}
private updateModel() {
if (this.alarmRuleConditionFormGroup.valid) {
const value = this.alarmRuleConditionFormGroup.value;
this.modelValue = {...this.modelValue, ...value};
this.propagateChange(this.modelValue);
} else {
this.propagateChange(null);
}
}
}