3a3ecabe
 Imshann
init
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import template from "./InputNumber.html";
class InputNumber {
props = {
defaultValue: Number,
min: Number,
max: Number,
onChange: Function,
value: Number,
precision: Number,
key: Number,
step: Number,
formatter: Function,
parser: Function,
disabled: Boolean,
};
state = {
value: this.props.value || this.props.defaultValue,
min: Number(this.props.min),
max: Number(this.props.max),
precision: Number(this.props.precision) || 0,
key: Number(this.props.key),
step: this.props.step || 1,
};
watch = {
value: function (newVal) {
this.setValue(newVal);
},
disabled: function (newVal) {
if (newVal === undefined || newVal === "false" || newVal === "0") {
this.state.disabled = false;
} else if (
newVal === "true" ||
newVal === "1" ||
newVal === "disabled"
) {
this.state.disabled = true;
}
},
};
constructor() {
this.inputElement = $element[0].querySelector("input");
$element[0].removeAttribute("ng-class");
$element[0].removeAttribute("value");
$element[0].removeAttribute("formatter");
$element[0].removeAttribute("parser");
$element[0].removeAttribute("on-change");
$element[0].removeAttribute("disabled");
}
multiply(num1, num2) {
let baseNum = 0;
try {
baseNum += num1.toString().split(".")[1].length;
} catch (e) {}
try {
baseNum += num2.toString().split(".")[1].length;
} catch (e) {}
return (
(Number(num1.toString().replace(".", "")) *
Number(num2.toString().replace(".", ""))) /
Math.pow(10, baseNum)
);
}
toFixed(value, number = 2) {
return parseFloat(
Math.floor(this.multiply(value, Math.pow(10, number))) /
Math.pow(10, number)
).toFixed(number);
}
setValue(value) {
if (this.props.parser({ value: value }) !== undefined) {
value = this.props.parser({ value: value });
}
if (
this.state.max !== null &&
this.state.max !== undefined &&
value !== "" &&
value > this.state.max
) {
value = this.state.max;
}
if (
this.state.min !== null &&
this.state.min !== undefined &&
value !== "" &&
value < this.state.min
) {
value = this.state.min;
}
if (!/\d+/.test(value)) {
this.state.value = "";
value = "";
}
if (this.state.precision === 0 && value !== "") {
value = parseInt(value);
}
if (this.state.precision > 0 && value !== "") {
value = this.toFixed(value, this.state.precision);
}
if (this.props.formatter({ value: value }) !== undefined) {
value = this.props.formatter({ value: value });
}
this.state.value = value;
if (this.props.parser({ value: value || "" }) !== undefined) {
value = this.props.parser({ value: value || "" });
}
this.props.onChange({ value: value });
}
sum(num1, num2) {
return ((this.pow(num1) + this.pow(num2)) / this.pow(1)).toFixed(
this.props.precision
);
}
reduce(num1, num2) {
return ((this.pow(num1) - this.pow(num2)) / this.pow(1)).toFixed(
this.props.precision
);
}
pow(number, baseNum) {
let str = String(number);
if (str.indexOf(".") !== -1) {
return parseInt(str.replace(".", ""));
} else {
return number * Math.pow(10, baseNum || this.props.precision || 0);
}
}
handleClick(type) {
let value = null;
if (!this.state.value) {
value = 0;
} else {
value = this.state.value;
}
if (this.props.parser({ value: value || "" })) {
value = this.props.parser({ value: value || "" });
}
if (type === "up") {
this.setValue(this.sum(value, this.state.step));
} else {
this.setValue(this.reduce(value, this.state.step));
}
}
handleClickInput(event) {
this.state.inputEvent = event;
}
handleBlur(event) {
this.setValue(event.target.value);
}
}
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