mirror of https://github.com/rancher/ui.git
68 lines
1.7 KiB
JavaScript
68 lines
1.7 KiB
JavaScript
import TextArea from '@ember/component/text-area';
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import { inject as service } from '@ember/service'
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import { run } from '@ember/runloop'
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import { isGecko } from 'ui/utils/platform';
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import IntlPlaceholder from 'shared/mixins/intl-placeholder';
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export default TextArea.extend(IntlPlaceholder, {
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intl: service(),
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minHeight: 0,
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curHeight: null,
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maxHeight: 200,
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tagName: 'textarea',
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classNames: ['no-resize','no-ease'],
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attributeBindings: ['spellcheck'],
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didInsertElement() {
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run.scheduleOnce('afterRender', this, 'initHeights');
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},
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initHeights() {
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if ( this.get('minHeight') === 0 ) {
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this.set('minHeight', ( this.get('isSmall') ? 31 : 36));
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}
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this.autoSize();
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this.$().on('paste', () => {
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run.later(this, 'autoSize', 100);
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});
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},
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changed: function() {
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run.debounce(this,'autoSize',100);
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}.observes('value'),
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isSmall: function() {
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if ( this.isDestroyed || this.isDestroying ) {
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return;
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}
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return this.$().hasClass('input-sm');
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}.property(),
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autoSize() {
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if ( this.isDestroyed || this.isDestroying ) {
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return;
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}
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let el = this.element;
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let $el = $(el);
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run(() => {
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$el.css('height', '1px');
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let border = parseInt($el.css('borderTopWidth'),10)||0 + parseInt($el.css('borderBottomWidth'),10)||0;
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let magic = (this.get('isSmall') ? -2 : 0) + ( isGecko ? 1 : 2); // Sigh, but it's wrong without magic fudge
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let neu = Math.max(this.get('minHeight'), Math.min(el.scrollHeight + border + magic, this.get('maxHeight')));
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$el.css('overflowY', (el.scrollHeight > neu ? 'auto' : 'hidden'));
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$el.css('height', neu + 'px');
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this.set('curHeight', neu);
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});
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}
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});
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