@ionic/core
Version:
Base components for Ionic
174 lines (172 loc) • 6.16 kB
JavaScript
/*!
* (C) Ionic http://ionicframework.com - MIT License
*/
import { Host, h } from "@stencil/core";
import { inheritAttributes } from "../../utils/helpers";
import { createColorClasses } from "../../utils/theme";
import { getIonMode } from "../../global/ionic-global";
export class PickerColumnOption {
constructor() {
/**
* We keep track of the parent picker column
* so we can update the value of it when
* clicking an enable option.
*/
this.pickerColumn = null;
this.ariaLabel = null;
this.disabled = false;
this.value = undefined;
this.color = 'primary';
}
/**
* The aria-label of the option has changed after the
* first render and needs to be updated within the component.
*
* @param ariaLbl The new aria-label value.
*/
onAriaLabelChange(ariaLbl) {
this.ariaLabel = ariaLbl;
}
componentWillLoad() {
const inheritedAttributes = inheritAttributes(this.el, ['aria-label']);
/**
* The initial value of `aria-label` needs to be set for
* the first render.
*/
this.ariaLabel = inheritedAttributes['aria-label'] || null;
}
connectedCallback() {
this.pickerColumn = this.el.closest('ion-picker-column');
}
disconnectedCallback() {
this.pickerColumn = null;
}
/**
* The column options can load at any time
* so the options needs to tell the
* parent picker column when it is loaded
* so the picker column can ensure it is
* centered in the view.
*
* We intentionally run this for every
* option. If we only ran this from
* the selected option then if the newly
* loaded options were not selected then
* scrollActiveItemIntoView would not be called.
*/
componentDidLoad() {
const { pickerColumn } = this;
if (pickerColumn !== null) {
pickerColumn.scrollActiveItemIntoView();
}
}
/**
* When an option is clicked, update the
* parent picker column value. This
* component will handle centering the option
* in the column view.
*/
onClick() {
const { pickerColumn } = this;
if (pickerColumn !== null) {
pickerColumn.setValue(this.value);
}
}
render() {
const { color, disabled, ariaLabel } = this;
const mode = getIonMode(this);
return (h(Host, { key: 'c1353e99c2aa19c0e3ddbe433557ed18e72e1c66', class: createColorClasses(color, {
[mode]: true,
['option-disabled']: disabled,
}) }, h("button", { key: 'b4ee62ecf7458a07a56e8aa494485766a87a3fcb', tabindex: "-1", "aria-label": ariaLabel, disabled: disabled, onClick: () => this.onClick() }, h("slot", { key: '9ab1e4700c27103b676670a4b3521c183c6ab83d' }))));
}
static get is() { return "ion-picker-column-option"; }
static get encapsulation() { return "shadow"; }
static get originalStyleUrls() {
return {
"ios": ["picker-column-option.ios.scss"],
"md": ["picker-column-option.md.scss"]
};
}
static get styleUrls() {
return {
"ios": ["picker-column-option.ios.css"],
"md": ["picker-column-option.md.css"]
};
}
static get properties() {
return {
"disabled": {
"type": "boolean",
"mutable": false,
"complexType": {
"original": "boolean",
"resolved": "boolean",
"references": {}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "If `true`, the user cannot interact with the picker column option."
},
"attribute": "disabled",
"reflect": false,
"defaultValue": "false"
},
"value": {
"type": "any",
"mutable": false,
"complexType": {
"original": "any | null",
"resolved": "any",
"references": {}
},
"required": false,
"optional": true,
"docs": {
"tags": [],
"text": "The text value of the option."
},
"attribute": "value",
"reflect": false
},
"color": {
"type": "string",
"mutable": false,
"complexType": {
"original": "Color",
"resolved": "\"danger\" | \"dark\" | \"light\" | \"medium\" | \"primary\" | \"secondary\" | \"success\" | \"tertiary\" | \"warning\" | string & Record<never, never> | undefined",
"references": {
"Color": {
"location": "import",
"path": "../../interface",
"id": "src/interface.d.ts::Color"
}
}
},
"required": false,
"optional": true,
"docs": {
"tags": [],
"text": "The color to use from your application's color palette.\nDefault options are: `\"primary\"`, `\"secondary\"`, `\"tertiary\"`, `\"success\"`, `\"warning\"`, `\"danger\"`, `\"light\"`, `\"medium\"`, and `\"dark\"`.\nFor more information on colors, see [theming](/docs/theming/basics)."
},
"attribute": "color",
"reflect": true,
"defaultValue": "'primary'"
}
};
}
static get states() {
return {
"ariaLabel": {}
};
}
static get elementRef() { return "el"; }
static get watchers() {
return [{
"propName": "aria-label",
"methodName": "onAriaLabelChange"
}];
}
}