96 lines
2.2 KiB
JavaScript
96 lines
2.2 KiB
JavaScript
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// Styles
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import "../../../src/components/VTextarea/VTextarea.sass"; // Extensions
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import VTextField from '../VTextField/VTextField'; // Utilities
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import mixins from '../../util/mixins';
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const baseMixins = mixins(VTextField);
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/* @vue/component */
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export default baseMixins.extend({
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name: 'v-textarea',
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props: {
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autoGrow: Boolean,
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noResize: Boolean,
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rowHeight: {
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type: [Number, String],
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default: 24,
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validator: v => !isNaN(parseFloat(v))
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},
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rows: {
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type: [Number, String],
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default: 5,
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validator: v => !isNaN(parseInt(v, 10))
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}
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},
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computed: {
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classes() {
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return {
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'v-textarea': true,
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'v-textarea--auto-grow': this.autoGrow,
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'v-textarea--no-resize': this.noResizeHandle,
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...VTextField.options.computed.classes.call(this)
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};
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},
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noResizeHandle() {
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return this.noResize || this.autoGrow;
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}
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},
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watch: {
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lazyValue() {
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this.autoGrow && this.$nextTick(this.calculateInputHeight);
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},
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rowHeight() {
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this.autoGrow && this.$nextTick(this.calculateInputHeight);
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}
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},
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mounted() {
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setTimeout(() => {
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this.autoGrow && this.calculateInputHeight();
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}, 0);
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},
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methods: {
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calculateInputHeight() {
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const input = this.$refs.input;
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if (!input) return;
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input.style.height = '0';
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const height = input.scrollHeight;
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const minHeight = parseInt(this.rows, 10) * parseFloat(this.rowHeight); // This has to be done ASAP, waiting for Vue
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// to update the DOM causes ugly layout jumping
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input.style.height = Math.max(minHeight, height) + 'px';
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},
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genInput() {
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const input = VTextField.options.methods.genInput.call(this);
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input.tag = 'textarea';
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delete input.data.attrs.type;
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input.data.attrs.rows = this.rows;
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return input;
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},
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onInput(e) {
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VTextField.options.methods.onInput.call(this, e);
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this.autoGrow && this.calculateInputHeight();
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},
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onKeyDown(e) {
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// Prevents closing of a
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// dialog when pressing
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// enter
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if (this.isFocused && e.keyCode === 13) {
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e.stopPropagation();
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}
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this.$emit('keydown', e);
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}
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}
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});
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//# sourceMappingURL=VTextarea.js.map
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