File size: 3,330 Bytes
71174bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | <template>
<span>
<textarea
class="form-control"
rows="3"
ref="inputElem"
:readonly="readonly"
:id="id"
:placeholder="placeHolder"
:disabled="disabled"
@input="handleInput"
@keydown="onKeyDown"
:value="modelValue"
/>
<FormElementDescription
:description="description"
></FormElementDescription>
</span>
</template>
<script lang="ts">
/* eslint-disable @typescript-eslint/ban-types */
import { randomID } from "@/Core/Utils/MiscUtils";
import { Options, Vue } from "vue-class-component";
import { Prop } from "vue-property-decorator";
import FormElementDescription from "@/UI/Forms/FormElementDescription.vue";
import { formInputDelayUpdate } from "@/Core/GlobalVars";
/**
* FormTextArea component
*/
@Options({
components: {
FormElementDescription,
},
})
export default class FormTextArea extends Vue {
@Prop({ required: true }) modelValue!: any;
@Prop({ default: randomID() }) id!: string;
@Prop({ default: "placeholder" }) placeHolder!: string;
@Prop({ default: false }) disabled!: boolean;
@Prop({ required: false }) filterFunc!: Function;
@Prop({}) description!: string;
@Prop({ default: formInputDelayUpdate })
delayBetweenChangesDetected!: number;
@Prop({ default: false }) readonly!: boolean;
lastHandleInputTimeStamp = 0;
timeOutLastHandleInput: any = null;
/**
* Runs when user presses a key.
*
* @param {KeyboardEvent} _e The key event. Not used.
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
onKeyDown(_e: KeyboardEvent) {
this.$emit("onKeyDown");
}
/**
* Let the parent component know of any changes, after user has not interacted
* for a bit (to prevent rapid updates).
*
* @param {any} e The value.
*/
handleInput(e: any): void {
if (this.filterFunc) {
// If there's a filter funciton, update everything.
// Get carot location
let carot = e.target.selectionStart;
// Apply filter
e.target.value = this.filterFunc(e.target.value);
// Set carot location after vue nexttick
this.$nextTick(() => {
e.target.setSelectionRange(carot, carot);
});
}
// No filter function. Note that it's delayed to prevent rapid reactivity.
// Good for color selector.
// If less 0.5 seconds haven't passed yet, don't try again.
if (
Date.now() - this.lastHandleInputTimeStamp <
this.delayBetweenChangesDetected
) {
return;
}
this.lastHandleInputTimeStamp = Date.now();
this.timeOutLastHandleInput = setTimeout(() => {
let val = e.target.value;
this.$emit("update:modelValue", val);
// In some circumstances (e.g., changing values in an object), not reactive.
// Emit also "onChange" to signal the value has changed.
this.$emit("onChange");
}, this.delayBetweenChangesDetected);
}
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style lang="scss" scoped></style>
|