drawDB/src/components/EditorCanvas/Area.jsx
Felix Zedén Yverås cdecf7c633 feat: add basic touchscreen support
This is basically a migration from mouse events to
[pointer events](
  https://developer.mozilla.org/en-US/docs/Web/API/Pointer_events
).

The `PointerEvent` interface inherits all of the `MouseEvent`
properties, meaning that existing code can essentially be left
as-is. The only major change is making sure we only respond to the
"primary" pointer.

Known issues include:
* stylus hover is not detected
* touchscreens do not have a concept of hover, making it difficult
  to e.g. resize areas
* no touch gesture support, e.g. "pinch-to-zoom"
2024-07-14 15:36:54 +02:00

282 lines
8.1 KiB
JavaScript

import { useState } from "react";
import { Button, Popover, Input } from "@douyinfe/semi-ui";
import { IconEdit, IconDeleteStroked } from "@douyinfe/semi-icons";
import {
Tab,
Action,
ObjectType,
defaultBlue,
State,
} from "../../data/constants";
import {
useLayout,
useSettings,
useUndoRedo,
useSelect,
useAreas,
useSaveState,
useTransform,
} from "../../hooks";
import ColorPalette from "../ColorPicker";
import { useTranslation } from "react-i18next";
export default function Area({ data, onPointerDown, setResize, setInitCoords }) {
const [hovered, setHovered] = useState(false);
const { layout } = useLayout();
const { settings } = useSettings();
const { transform } = useTransform();
const { setSaveState } = useSaveState();
const { selectedElement, setSelectedElement } = useSelect();
const handleResize = (e, dir) => {
setResize({ id: data.id, dir: dir });
setInitCoords({
x: data.x,
y: data.y,
width: data.width,
height: data.height,
pointerX: e.clientX / transform.zoom,
pointerY: e.clientY / transform.zoom,
});
};
const edit = () => {
if (layout.sidebar) {
setSelectedElement((prev) => ({
...prev,
element: ObjectType.AREA,
id: data.id,
currentTab: Tab.AREAS,
open: true,
}));
if (selectedElement.currentTab !== Tab.AREAS) return;
document
.getElementById(`scroll_area_${data.id}`)
.scrollIntoView({ behavior: "smooth" });
} else {
setSelectedElement((prev) => ({
...prev,
element: ObjectType.AREA,
id: data.id,
open: true,
}));
}
};
const onClickOutSide = () => {
if (selectedElement.editFromToolbar) {
setSelectedElement((prev) => ({
...prev,
editFromToolbar: false,
}));
return;
}
setSelectedElement((prev) => ({
...prev,
open: false,
}));
setSaveState(State.SAVING);
};
const areaIsSelected = () =>
selectedElement.element === ObjectType.AREA &&
selectedElement.id === data.id &&
selectedElement.open;
return (
<g
onPointerEnter={(e) => e.isPrimary && setHovered(true)}
onPointerLeave={(e) => e.isPrimary &&setHovered(false)}
>
<foreignObject
key={data.id}
x={data.x}
y={data.y}
width={data.width > 0 ? data.width : 0}
height={data.height > 0 ? data.height : 0}
onPointerDown={onPointerDown}
>
<div
className={`border-2 ${
hovered
? "border-dashed border-blue-500"
: selectedElement.element === ObjectType.AREA &&
selectedElement.id === data.id
? "border-blue-500"
: "border-slate-400"
} w-full h-full cursor-move rounded`}
>
<div
className="w-fill p-2 h-full"
style={{ backgroundColor: `${data.color}66` }}
>
<div className="flex justify-between gap-1 w-full">
<div className="text-color select-none overflow-hidden text-ellipsis">
{data.name}
</div>
{(hovered || (areaIsSelected() && !layout.sidebar)) && (
<Popover
visible={areaIsSelected() && !layout.sidebar}
onClickOutSide={onClickOutSide}
stopPropagation
content={<EditPopoverContent data={data} />}
trigger="custom"
position="rightTop"
showArrow
>
<Button
icon={<IconEdit />}
size="small"
theme="solid"
style={{
backgroundColor: "#2F68ADB3",
}}
onClick={edit}
/>
</Popover>
)}
</div>
</div>
</div>
</foreignObject>
{hovered && (
<>
<circle
cx={data.x}
cy={data.y}
r={6}
fill={settings.mode === "light" ? "white" : "rgb(28, 31, 35)"}
stroke="#5891db"
strokeWidth={2}
cursor="nwse-resize"
onPointerDown={(e) => e.isPrimary && handleResize(e, "tl")}
/>
<circle
cx={data.x + data.width}
cy={data.y}
r={6}
fill={settings.mode === "light" ? "white" : "rgb(28, 31, 35)"}
stroke="#5891db"
strokeWidth={2}
cursor="nesw-resize"
onPointerDown={(e) => e.isPrimary && handleResize(e, "tr")}
/>
<circle
cx={data.x}
cy={data.y + data.height}
r={6}
fill={settings.mode === "light" ? "white" : "rgb(28, 31, 35)"}
stroke="#5891db"
strokeWidth={2}
cursor="nesw-resize"
onPointerDown={(e) => e.isPrimary && handleResize(e, "bl")}
/>
<circle
cx={data.x + data.width}
cy={data.y + data.height}
r={6}
fill={settings.mode === "light" ? "white" : "rgb(28, 31, 35)"}
stroke="#5891db"
strokeWidth={2}
cursor="nwse-resize"
onPointerDown={(e) => e.isPrimary && handleResize(e, "br")}
/>
</>
)}
</g>
);
}
function EditPopoverContent({ data }) {
const [editField, setEditField] = useState({});
const { setSaveState } = useSaveState();
const { updateArea, deleteArea } = useAreas();
const { setUndoStack, setRedoStack } = useUndoRedo();
const { t } = useTranslation();
return (
<div className="popover-theme">
<div className="font-semibold mb-2 ms-1">{t("edit")}</div>
<div className="w-[280px] flex items-center mb-2">
<Input
value={data.name}
placeholder={t("name")}
className="me-2"
onChange={(value) => updateArea(data.id, { name: value })}
onFocus={(e) => setEditField({ name: e.target.value })}
onBlur={(e) => {
if (e.target.value === editField.name) return;
setUndoStack((prev) => [
...prev,
{
action: Action.EDIT,
element: ObjectType.AREA,
aid: data.id,
undo: editField,
redo: { name: e.target.value },
message: t("edit_area", {
areaName: e.target.value,
extra: "[name]",
}),
},
]);
setRedoStack([]);
}}
/>
<Popover
content={
<div className="popover-theme">
<ColorPalette
currentColor={data.color}
onPickColor={(c) => {
setUndoStack((prev) => [
...prev,
{
action: Action.EDIT,
element: ObjectType.AREA,
aid: data.id,
undo: { color: data.color },
redo: { color: c },
message: t("edit_area", {
areaName: data.name,
extra: "[color]",
}),
},
]);
setRedoStack([]);
updateArea(data.id, {
color: c,
});
}}
onClearColor={() => {
updateArea(data.id, {
color: defaultBlue,
});
setSaveState(State.SAVING);
}}
/>
</div>
}
position="rightTop"
showArrow
>
<div
className="h-[32px] w-[32px] rounded"
style={{ backgroundColor: data.color }}
/>
</Popover>
</div>
<div className="flex">
<Button
icon={<IconDeleteStroked />}
type="danger"
block
onClick={() => deleteArea(data.id, true)}
>
{t("delete")}
</Button>
</div>
</div>
);
}