Files
vant/src/step/index.js
T
2020-09-26 11:00:08 +08:00

102 lines
2.5 KiB
JavaScript

import { computed } from 'vue';
import { createNamespace } from '../utils';
import { BORDER } from '../utils/constant';
import { STEPS_KEY } from '../steps';
import { useParent } from '../composition/use-relation';
import Icon from '../icon';
const [createComponent, bem] = createNamespace('step');
export default createComponent({
setup(props, { slots }) {
const { parent, index } = useParent(STEPS_KEY);
const getStatus = () => {
const active = +parent.props.active;
if (index.value < active) {
return 'finish';
}
if (index.value === active) {
return 'process';
}
};
const isActive = () => getStatus() === 'process';
const lineStyle = computed(() => {
const { activeColor, inactiveColor } = parent.props;
if (getStatus() === 'finish') {
return { background: activeColor };
}
return { background: inactiveColor };
});
const titleStyle = computed(() => {
const { activeColor, inactiveColor } = parent.props;
if (isActive()) {
return { color: activeColor };
}
if (!getStatus()) {
return { color: inactiveColor };
}
});
const onClickStep = () => {
parent.emit('click-step', index.value);
};
const renderCircle = () => {
const { activeIcon, activeColor, inactiveIcon } = parent.props;
if (isActive()) {
if (slots['active-icon']) {
return slots['active-icon']();
}
return (
<Icon
class={bem('icon', 'active')}
name={activeIcon}
color={activeColor}
/>
);
}
if (slots['inactive-icon']) {
return slots['inactive-icon']();
}
if (inactiveIcon) {
return <Icon class={bem('icon')} name={inactiveIcon} />;
}
return <i class={bem('circle')} style={lineStyle.value} />;
};
return () => {
const { direction } = parent.props;
const status = getStatus();
return (
<div class={[BORDER, bem([direction, { [status]: status }])]}>
<div
class={bem('title', { active: isActive() })}
style={titleStyle.value}
onClick={onClickStep}
>
{slots.default?.()}
</div>
<div class={bem('circle-container')} onClick={onClickStep}>
{renderCircle()}
</div>
<div class={bem('line')} style={lineStyle.value} />
</div>
);
};
},
});