schlechtenburg/packages/layout/lib/edit.tsx

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import {
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defineComponent,
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reactive,
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computed,
watch,
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PropType,
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} from 'vue';
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import {
model,
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BlockData,
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useActivation,
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SbBlock,
SbButton,
SbToolbar,
SbBlockPlaceholder,
SbBlockOrdering,
} from '@schlechtenburg/core';
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import {
LayoutData,
getDefaultData,
} from './util';
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import './style.scss';
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export default defineComponent({
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name: 'sb-layout-edit',
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model,
props: {
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onUpdate: { type: Function, default: () => {} },
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data: {
type: (null as unknown) as PropType<LayoutData>,
default: getDefaultData,
},
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},
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setup(props) {
const { activate } = useActivation();
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const localData: LayoutData = reactive({
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orientation: props.data.orientation,
children: [...props.data.children],
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});
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watch(() => props.data, () => {
localData.orientation = props.data.orientation;
localData.children = [...props.data.children];
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});
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const classes = computed(() => ({
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'sb-layout': true,
[`sb-layout_${localData.orientation}`]: true,
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}));
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const toggleOrientation = () => {
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props.onUpdate({
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orientation: localData.orientation === 'vertical' ? 'horizontal' : 'vertical',
});
};
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const onChildUpdate = (child: BlockData<any>, updated: BlockData<any>) => {
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const index = localData.children.indexOf(child);
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if (index === -1) {
return;
}
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props.onUpdate({
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children: [
...localData.children.slice(0, index),
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{
...child,
...updated,
},
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...localData.children.slice(index + 1),
],
});
};
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const appendBlock = (block: BlockData<any>) => {
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localData.children = [
...localData.children,
block,
];
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props.onUpdate({ children: [...localData.children] });
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activate(block.id);
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};
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const insertBlock = (index: number, block: BlockData<any>) => {
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localData.children = [
...localData.children.slice(0, index + 1),
block,
...localData.children.slice(index + 1),
];
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props.onUpdate({ children: [...localData.children] });
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activate(block.id);
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};
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const removeBlock = (index: number) => {
localData.children = [
...localData.children.slice(0, index),
...localData.children.slice(index + 1),
];
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props.onUpdate({ children: [...localData.children] });
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const newActiveIndex = Math.max(index - 1, 0);
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activate(localData.children[newActiveIndex].id);
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};
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const activateBlock = (index: number) => {
const safeIndex =
Math.max(
Math.min(
localData.children.length - 1,
index,
),
0,
);
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activate(localData.children[safeIndex].id);
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};
const moveBackward = (index: number) => {
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if (index === 0) {
return;
}
const curr = localData.children[index];
const prev = localData.children[index - 1];
localData.children = [
...localData.children.slice(0, index - 1),
curr,
prev,
...localData.children.slice(index + 1),
];
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props.onUpdate({ children: [...localData.children] });
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};
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const moveForward = (index: number) => {
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if (index === localData.children.length - 1) {
return;
}
const curr = localData.children[index];
const next = localData.children[index + 1];
localData.children = [
...localData.children.slice(0, index),
next,
curr,
...localData.children.slice(index + 2),
];
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props.onUpdate({ children: [...localData.children] });
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};
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return () => (
<div class={classes.value}>
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<SbToolbar>
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<SbButton
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{...{
type: 'button',
onClick: toggleOrientation,
}}
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>{localData.orientation}</SbButton>
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</SbToolbar>
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{...localData.children.map((child, index) => (
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<SbBlock
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{...{ key: child.id }}
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data-order={index}
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block={child}
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onUpdate={(updated: BlockData<any>) => onChildUpdate(child, updated)}
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onRemoveSelf={() => removeBlock(index)}
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onPrependBlock={(block: BlockData<any>) => insertBlock(index - 1, block)}
onAppendBlock={(block: BlockData<any>) => insertBlock(index, block)}
onActivatePrevious={() => activateBlock(index - 1,)}
onActivateNext={() => activateBlock(index + 1,)}
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>
{{
'context-toolbar': () =>
<SbBlockOrdering
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onMoveBackward={() => moveBackward(index)}
onMoveForward={() => moveForward(index)}
onRemove={() => removeBlock(index)}
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orientation={localData.orientation}
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/>,
}}
</SbBlock>
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))}
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<SbBlockPlaceholder onInsertBlock={appendBlock} />
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</div>
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);
},
});