consul/ui/packages/consul-ui/app/components/list-collection/index.js

99 lines
3.1 KiB
JavaScript

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