tldraw/components/style-panel/style-panel.tsx
2021-05-27 23:07:27 +01:00

131 lines
3.4 KiB
TypeScript

import styled from "styles"
import state, { useSelector } from "state"
import * as Panel from "components/panel"
import { useRef } from "react"
import { IconButton } from "components/shared"
import { Circle, Trash, X } from "react-feather"
import { deepCompare, deepCompareArrays, getSelectedShapes } from "utils/utils"
import { shades, fills, strokes } from "lib/colors"
import ColorPicker from "./color-picker"
import AlignDistribute from "./align-distribute"
import { ShapeStyles } from "types"
const fillColors = { ...shades, ...fills }
const strokeColors = { ...shades, ...strokes }
export default function StylePanel() {
const rContainer = useRef<HTMLDivElement>(null)
const isOpen = useSelector((s) => s.data.settings.isStyleOpen)
return (
<StylePanelRoot ref={rContainer} isOpen={isOpen}>
{isOpen ? (
<SelectedShapeStyles />
) : (
<IconButton onClick={() => state.send("TOGGLED_STYLE_PANEL_OPEN")}>
<Circle />
</IconButton>
)}
</StylePanelRoot>
)
}
// This panel is going to be hard to keep cool, as we're selecting computed
// information, based on the user's current selection. We might have to keep
// track of this data manually within our state.
function SelectedShapeStyles({}: {}) {
const selectedIds = useSelector(
(s) => Array.from(s.data.selectedIds.values()),
deepCompareArrays
)
const shapesStyle = useSelector((s) => {
const { currentStyle } = s.data
const shapes = getSelectedShapes(s.data)
if (shapes.length === 0) {
return currentStyle
}
const style: Partial<ShapeStyles> = {}
const overrides = new Set<string>([])
for (const shape of shapes) {
for (let key in currentStyle) {
if (overrides.has(key)) continue
if (style[key] === undefined) {
style[key] = shape.style[key]
} else {
if (style[key] === shape.style[key]) continue
style[key] = currentStyle[key]
overrides.add(key)
}
}
}
return style
}, deepCompare)
const hasSelection = selectedIds.length > 0
return (
<Panel.Layout>
<Panel.Header>
<h3>Style</h3>
<Panel.ButtonsGroup>
<IconButton
disabled={!hasSelection}
onClick={() => state.send("DELETED")}
>
<Trash />
</IconButton>
</Panel.ButtonsGroup>
<IconButton onClick={() => state.send("TOGGLED_STYLE_PANEL_OPEN")}>
<X />
</IconButton>
</Panel.Header>
<Content>
<ColorPicker
label="Fill"
color={shapesStyle.fill}
colors={fillColors}
onChange={(color) => state.send("CHANGED_STYLE", { fill: color })}
/>
<ColorPicker
label="Stroke"
color={shapesStyle.stroke}
colors={strokeColors}
onChange={(color) => state.send("CHANGED_STYLE", { stroke: color })}
/>
<AlignDistribute
hasTwoOrMore={selectedIds.length > 1}
hasThreeOrMore={selectedIds.length > 2}
/>
</Content>
</Panel.Layout>
)
}
const StylePanelRoot = styled(Panel.Root, {
minWidth: 1,
width: 184,
maxWidth: 184,
overflow: "hidden",
position: "relative",
variants: {
isOpen: {
true: {},
false: {
height: 34,
width: 34,
},
},
},
})
const Content = styled(Panel.Content, {
padding: 8,
})