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feat: introduce frames (#6123)

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Co-authored-by: dwelle <luzar.david@gmail.com>
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Ryan Di 2023-06-15 00:42:01 +08:00 • committed by GitHub
parent 4d7d96eb7b
commit 81ebf82979
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78 changed files with 4563 additions and 480 deletions
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40
src/groups.ts
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@ -94,6 +94,31 @@ export const selectGroupsForSelectedElements = (
return nextAppState;
};
// given a list of elements, return the the actual group ids that should be selected
// or used to update the elements
export const selectGroupsFromGivenElements = (
elements: readonly NonDeleted<ExcalidrawElement>[],
appState: AppState,
) => {
let nextAppState: AppState = { ...appState, selectedGroupIds: {} };
for (const element of elements) {
let groupIds = element.groupIds;
if (appState.editingGroupId) {
const indexOfEditingGroup = groupIds.indexOf(appState.editingGroupId);
if (indexOfEditingGroup > -1) {
groupIds = groupIds.slice(0, indexOfEditingGroup);
}
}
if (groupIds.length > 0) {
const groupId = groupIds[groupIds.length - 1];
nextAppState = selectGroup(groupId, nextAppState, elements);
}
}
return nextAppState.selectedGroupIds;
};
export const editGroupForSelectedElement = (
appState: AppState,
element: NonDeleted<ExcalidrawElement>,
@ -186,3 +211,18 @@ export const getMaximumGroups = (
return Array.from(groups.values());
};
export const elementsAreInSameGroup = (elements: ExcalidrawElement[]) => {
const allGroups = elements.flatMap((element) => element.groupIds);
const groupCount = new Map<string, number>();
let maxGroup = 0;
for (const group of allGroups) {
groupCount.set(group, (groupCount.get(group) ?? 0) + 1);
if (groupCount.get(group)! > maxGroup) {
maxGroup = groupCount.get(group)!;
}
}
return maxGroup === elements.length;
};