mirror of
https://github.com/ionic-team/ionic-framework.git
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159 lines
3.8 KiB
TypeScript
159 lines
3.8 KiB
TypeScript
import {Directive, View, CSSClass, ElementRef, Optional, Host, Attribute, Renderer} from 'angular2/angular2';
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import {IonicConfig} from '../../config/config';
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import {IonicComponent} from '../../config/annotations';
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import {Ion} from '../ion';
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import {Platform} from '../../platform/platform';
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import {Button} from '../button/button';
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/*
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'home': {
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ios: ['ion-ios-home', 'ion-ios-home-outline'],
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md: 'ion-md-home'
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}
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1-for-1 swap
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Map of stuff that's 1-for-1
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<icon name="home"></icon>
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<icon class="ion-ios-home"></icon>
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<icon class="ion-md-home"></icon>
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Always use the same no matter what
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Cuz it's not in the map of 1-for-1's
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<icon name="alert"></icon>
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<icon class="ion-alert"></icon>
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Different between modes
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Used different attributes
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<icon ios-name="search3" md-name="search2"></icon>
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<icon class="ion-ios-search3"></icon>
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<icon class="ion-md-search2"></icon>
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Ionicons SVG
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<icon svg="home"></icon>
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<icon><svg>...ios...</svg></icon>
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<icon><svg>...md...</svg></icon>
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Custom SVG File
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<icon svg-src="home.svg"></icon>
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Custom Font Icon
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<icon class="fa-home"></icon>
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*/
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@Directive({
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selector: 'icon',
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properties: [
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'name',
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'iconName'
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],
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host: {
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'[attr.aria-label]': 'label',
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'[attr.aria-hidden]': 'ariaHidden',
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'role': 'img'
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}
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})
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export class IconDirective {
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constructor(
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private _elementRef: ElementRef,
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@Optional() @Host() hostButton: Button,
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@Attribute('forward') forward: string,
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config: IonicConfig,
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private renderer: Renderer
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) {
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let ele = this.ele = _elementRef.nativeElement;
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this.iconLeft = this.iconRight = this.iconOnly = false;
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this.ariaHidden = true;
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if (forward !== null) {
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this.fwdIcon = config.setting('forwardIcon');
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}
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if (hostButton) {
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// this icon is within a button
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this.withinButton = true;
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// check if there is a sibling element (that's not aria hidden)
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let hasPreviousSiblingElement = !!ele.previousElementSibling;
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let hasNextSiblingElement = ele.nextElementSibling && ele.nextElementSibling.getAttribute('aria-hidden') !== 'true';
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if (!hasPreviousSiblingElement && !hasNextSiblingElement) {
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// this icon is within a button, and doesn't have a sibling element
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// check for text nodes to the right and left of this icon element
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this.iconLeft = (ele.nextSibling && ele.nextSibling.textContent || '').trim() !== '';
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this.iconRight = (ele.previousSibling && ele.previousSibling.textContent || '').trim() !== '';
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this.iconOnly = !this.iconLeft && !this.iconRight;
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}
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// tell the button there's a child icon
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// the button will set the correct css classes on itself
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hostButton.registerIcon(this);
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}
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}
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onInit() {
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if (this.fwdIcon) {
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this.name = this.fwdIcon;
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}
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if (!this.name) return;
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// add the css class to show the icon font
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this.renderer.setElementClass(this._elementRef, this.name, true);
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// hide the icon when it's within a button
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// and the button isn't an icon only button
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this.ariaHidden = (this.withinButton && !this.iconOnly);
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if (!this.ariaHidden) {
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// the icon is either not within a button
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// or the icon is within a button, and its an icon only button
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this.label = this.name.replace('ion-', '').replace('ios-', '').replace('md-', '').replace('-', '');
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}
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}
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onDestroy() {
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this.ele = null;
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}
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}
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@IonicComponent({
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selector: 'ion-icon',
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properties: [
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'md',
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'ios'
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],
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host: {
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'mode': 'mode'
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}
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})
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@View({
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template: '<i class="icon" [class]="iconClass">',
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directives: [CSSClass]
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})
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export class Icon extends Ion {
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constructor(elementRef: ElementRef, ionicConfig: IonicConfig) {
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super(elementRef, ionicConfig);
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}
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onIonInit() {
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this.iconClass = this.ios;
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console.log('ICON', this.mode);
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setTimeout(() => {
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console.log('MODE', this.mode);
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});
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}
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}
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