99 lines
3.1 KiB
JavaScript
99 lines
3.1 KiB
JavaScript
import { inject as service } from '@ember/service';
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import { computed, get, set } from '@ember/object';
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import Component from 'ember-collection/components/ember-collection';
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import PercentageColumns from 'ember-collection/layouts/percentage-columns';
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import Slotted from 'block-slots';
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const formatItemStyle = PercentageColumns.prototype.formatItemStyle;
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export default Component.extend(Slotted, {
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dom: service('dom'),
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tagName: '',
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height: 500,
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cellHeight: 70,
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checked: null,
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scroll: 'virtual',
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init: function() {
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this._super(...arguments);
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this.columns = [100];
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this.guid = this.dom.guid(this);
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},
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didInsertElement: function() {
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this._super(...arguments);
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this.$element = this.dom.element(`#${this.guid}`);
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if (this.scroll === 'virtual') {
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this.actions.resize.apply(this, [{ target: this.dom.viewport() }]);
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}
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},
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didReceiveAttrs: function() {
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this._super(...arguments);
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this._cellLayout = this['cell-layout'] = new PercentageColumns(
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get(this, 'items.length'),
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get(this, 'columns'),
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get(this, 'cellHeight')
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);
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const o = this;
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this['cell-layout'].formatItemStyle = function(itemIndex) {
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let style = formatItemStyle.apply(this, arguments);
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if (o.checked === itemIndex) {
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style = `${style};z-index: 1`;
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}
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return style;
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};
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},
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style: computed('height', function() {
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if (this.scroll !== 'virtual') {
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return {};
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}
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return {
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height: get(this, 'height'),
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};
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}),
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actions: {
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resize: function(e) {
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// TODO: This top part is very similar to resize in tabular-collection
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// see if it make sense to DRY out
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const dom = get(this, 'dom');
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const $footer = dom.element('footer[role="contentinfo"]');
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if ($footer) {
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const border = 1;
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const rect = this.$element.getBoundingClientRect();
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const space = rect.top + $footer.clientHeight + border;
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const height = e.target.innerHeight - space;
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this.set('height', Math.max(0, height));
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this.updateItems();
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this.updateScrollPosition();
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}
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},
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click: function(e) {
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return this.dom.clickFirstAnchor(e, '.list-collection > ul > li');
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},
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change: function(index, e = {}) {
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if (e.target.checked && index !== get(this, 'checked')) {
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set(this, 'checked', parseInt(index));
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this.$row = this.dom.closest('li', e.target);
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this.$row.style.zIndex = 1;
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const $group = this.dom.sibling(e.target, 'div');
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const groupRect = $group.getBoundingClientRect();
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const groupBottom = groupRect.top + $group.clientHeight;
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const $footer = this.dom.element('footer[role="contentinfo"]');
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const footerRect = $footer.getBoundingClientRect();
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const footerTop = footerRect.top;
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if (groupBottom > footerTop) {
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$group.classList.add('above');
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} else {
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$group.classList.remove('above');
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}
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} else {
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const $group = this.dom.sibling(e.target, 'div');
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$group.classList.remove('above');
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set(this, 'checked', null);
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this.$row.style.zIndex = null;
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}
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},
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},
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});
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