@nuxeo/nuxeo-ui-elements
Version:
Nuxeo UI Web Components.
312 lines (276 loc) • 8.51 kB
JavaScript
/**
@license
(C) Copyright Nuxeo Corp. (http://nuxeo.com/)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { IronValidatableBehavior } from '@polymer/iron-validatable-behavior/iron-validatable-behavior.js';
import '@nuxeo/nuxeo-elements/nuxeo-element.js';
import '@polymer/paper-dropdown-menu/paper-dropdown-menu.js';
import '@polymer/paper-item/paper-item.js';
import '@polymer/polymer/lib/elements/dom-if.js';
import '@polymer/polymer/lib/elements/dom-repeat.js';
import '@polymer/paper-listbox/paper-listbox.js';
import { html } from '@polymer/polymer/lib/utils/html-tag.js';
import { mixinBehaviors } from '@polymer/polymer/lib/legacy/class.js';
import { IronResizableBehavior } from '@polymer/iron-resizable-behavior/iron-resizable-behavior.js';
{
/**
* An element for selecting options.
*
* Example:
*
* <nuxeo-select label="Options" options=[[options]] selected={{selected}}></nuxeo-select>
*
* @appliesMixin Polymer.IronResizableBehavior
* @appliesMixin Polymer.IronValidatableBehavior
* @memberof Nuxeo
* @demo demo/nuxeo-select/index.html
*/
class Select extends mixinBehaviors([IronResizableBehavior, IronValidatableBehavior], Nuxeo.Element) {
static get template() {
return html`
<style>
:host {
display: block;
position: relative;
--paper-input-container-underline: {
border-bottom: 1px solid var(--paper-input-container-input-color) ;
}
}
:host([hidden]) {
display: none;
}
:host([required]) label::after {
display: inline-block;
content: '*';
margin-left: 4px;
color: var(--paper-input-container-invalid-color, #de350b);
}
paper-listbox {
padding: 0;
--paper-listbox-selected-item: {
font-weight: normal;
}
--paper-listbox-focused-item: {
font-weight: normal;
color: var(--paper-input-container-input-color);
}
--paper-listbox-focused-item-after: {
font-weight: normal;
color: var(--nuxeo-box, white);
}
}
paper-dropdown-menu {
padding: var(--nuxeo-select-dropdown-menu-padding, 5px 0 0 0);
--paper-input-container: {
padding: var(--nuxeo-select-input-container-padding, 0 0 8px 0);
}
--paper-dropdown-menu-icon: {
color: var(--nuxeo-text-default, #3a3a54):
}
}
label {
@apply --nuxeo-label;
}
::slotted(paper-item) {
font-weight: normal ;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
height: 32px;
min-height: 32px;
padding: 0 12px;
cursor: pointer;
color: var(--paper-input-container-input-color);
}
::slotted(paper-item:hover),
::slotted(paper-item[pressed]) {
background: var(--paper-input-container-focus-color);
color: var(--nuxeo-text-color, white) ;
}
</style>
<label>[[label]]</label>
<paper-dropdown-menu
id="paperDropdownMenu"
placeholder="[[placeholder]]"
error-message="[[errorMessage]]"
no-label-float
noink
no-animations
restore-focus-on-close="false"
horizontal-align="[[horizontalAlign]]"
vertical-align="[[verticalAlign]]"
dynamic-align="[[dynamicAlign]]"
on-paper-dropdown-open="_resize"
readonly$="[[readonly]]"
disabled$="[[disabled]]"
required$="[[required]]"
validator$="[[validator]]"
invalid$="[[invalid]]"
>
<paper-listbox
id="paperMenu"
slot="dropdown-content"
attr-for-selected="[[_computeAttrForSelected(attrForSelected, options)]]"
selected="{{selected}}"
>
<dom-if if="[[options]]">
<template>
<dom-repeat items="[[options]]" as="item">
<template>
<paper-item option="[[_id(item)]]">[[_label(item)]]</paper-item>
</template>
</dom-repeat>
</template>
</dom-if>
<slot></slot>
</paper-listbox>
</paper-dropdown-menu>
`;
}
static get is() {
return 'nuxeo-select';
}
static get properties() {
return {
/**
* Label.
*/
label: {
type: String,
value: null,
},
/**
* Placeholder.
*/
placeholder: {
type: String,
value: ' ',
},
/**
* Error message.
*/
errorMessage: {
type: String,
},
/**
* Options array to show.
*/
options: {
type: Array,
value: null,
},
/**
* Gets or sets the selected option.
*/
selected: {
type: String,
notify: true,
},
/**
* Attribute value or property of an element for `selected` instead of the default `option` value.
*/
attrForSelected: {
type: String,
value: null,
},
/**
* The orientation against which to align the menu dropdown
* horizontally relative to the dropdown trigger.
*/
horizontalAlign: {
type: String,
value: 'left',
},
/**
* The orientation against which to align the menu dropdown
* vertically relative to the dropdown trigger.
*/
verticalAlign: {
type: String,
value: 'top',
},
/**
* Dynamically align dropdown menu.
*/
dynamicAlign: {
type: Boolean,
},
/**
* Read only.
*/
readonly: {
type: Boolean,
value: false,
reflectToAttribute: true,
},
/**
* Disabled.
*/
disabled: {
type: Boolean,
value: false,
reflectToAttribute: true,
},
/**
* Required.
*/
required: {
type: Boolean,
value: false,
reflectToAttribute: true,
},
};
}
connectedCallback() {
super.connectedCallback();
if (!this._resizeObserver) {
this._resizeObserver = new ResizeObserver(() => this._resize());
}
this._resizeObserver.observe(this);
}
disconnectedCallback() {
super.disconnectedCallback();
this._resizeObserver.unobserve(this);
}
close() {
this.$.paperDropdownMenu.close();
}
_resize() {
const button = this.$.paperDropdownMenu.$.menuButton;
button.noOverlap = true;
button.verticalOffset = -8;
const { width } = this.getBoundingClientRect();
if (width > 0) {
this.$.paperDropdownMenu.style.width = this.$.paperMenu.style.width = `${width}px`;
}
}
_id(item) {
if (!this.selected) {
// select first item as default selection
this.selected = item && item.id ? item.id : item;
}
return item && item.id ? item.id : item;
}
_label(item) {
return item && item.label ? item.label : item;
}
_computeAttrForSelected(attrForSelected, options) {
return options ? 'option' : attrForSelected;
}
/* Override method from Polymer.IronValidatableBehavior. */
_getValidity() {
return this.$.paperDropdownMenu._getValidity();
}
}
customElements.define(Select.is, Select);
Nuxeo.Select = Select;
}