Fine-tune editing logic within message composition box
This commit is contained in:
Ken Powers
Scott Nonnenberg
parent
b85943b688
commit
0fc384cfa3
1 changed files with 209 additions and 63 deletions
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@ -57,11 +57,9 @@ export type InputApi = {
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submit: () => void;
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};
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export type SelectionKeys = 'Shift-End' | 'End' | 'Shift-Home' | 'Home';
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export type CompositionInputEditorCommand =
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| DraftEditorCommand
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| ('enter-emoji' | 'next-emoji' | 'prev-emoji' | 'submit')
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| SelectionKeys;
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| ('enter-emoji' | 'next-emoji' | 'prev-emoji' | 'submit');
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function getTrimmedMatchAtIndex(str: string, index: number, pattern: RegExp) {
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let match;
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@ -161,7 +159,6 @@ function replaceBareEmojis(state: EditorState, focus: boolean): EditorState {
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const content = state.getCurrentContent();
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const initialSelection = state.getSelection();
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let selectionOffset = 0;
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content.getBlockMap().forEach(block => {
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if (!block) {
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@ -180,7 +177,8 @@ function replaceBareEmojis(state: EditorState, focus: boolean): EditorState {
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focusOffset: end,
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}) as SelectionState;
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const emojiData = emojiToData(match[0]);
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// If there is not entity at this location and emoji data exists for the emoji at this location, track it for replacement
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// If there is no entity at this location and emoji data exists for the
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// emoji at this location, track it for replacement
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if (!block.getEntityAt(start) && emojiData) {
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selections.push([blockSelection, emojiData]);
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}
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@ -197,13 +195,6 @@ function replaceBareEmojis(state: EditorState, focus: boolean): EditorState {
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})
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.getLastCreatedEntityKey();
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// Keep track of selection offsets caused by replaced emojis
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if (sel.getAnchorOffset() < initialSelection.getAnchorOffset()) {
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selectionOffset += Math.abs(
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sel.getAnchorOffset() - sel.getFocusOffset()
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);
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}
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return Modifier.replaceText(
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accContent,
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sel,
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@ -223,8 +214,8 @@ function replaceBareEmojis(state: EditorState, focus: boolean): EditorState {
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if (focus) {
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const newSelection = initialSelection.merge({
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anchorOffset: initialSelection.getAnchorOffset() + selectionOffset,
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focusOffset: initialSelection.getFocusOffset() + selectionOffset,
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anchorOffset: initialSelection.getAnchorOffset(),
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focusOffset: initialSelection.getFocusOffset(),
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}) as SelectionState;
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return EditorState.forceSelection(pushState, newSelection);
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@ -398,6 +389,20 @@ export const CompositionInput = ({
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const handleEditorStateChange = React.useCallback(
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(newState: EditorState) => {
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// If this is an undo, we don't want to trigger any other custom logic
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if (newState.getLastChangeType() === 'undo') {
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// Does this undo result in the same state as before?
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const pointlessUndo =
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newState.getCurrentContent().getPlainText() ===
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editorStateRef.current.getCurrentContent().getPlainText();
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// If so, we need to apply another undo
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const pushState = pointlessUndo ? EditorState.undo(newState) : newState;
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// Update state
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setAndTrackEditorState(pushState);
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resetEmojiResults();
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return;
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}
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// Does the current position have any emojiable text?
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const selection = newState.getSelection();
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const caretLocation = selection.getStartOffset();
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@ -435,6 +440,7 @@ export const CompositionInput = ({
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updateExternalStateListeners(modifiedState);
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},
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[
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editorStateRef,
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focusRef,
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latestKeyRef,
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resetEmojiResults,
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@ -555,27 +561,180 @@ export const CompositionInput = ({
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[emojiResultsIndex, emojiResults]
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);
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const setCursor = React.useCallback(
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(key: SelectionKeys) => {
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const modKeySelection = React.useCallback(
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// tslint:disable-next-line cyclomatic-complexity max-func-body-length
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(e: React.KeyboardEvent) => {
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e.preventDefault();
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const { current: state } = editorStateRef;
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const selection = state.getSelection();
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const offset =
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key === 'Shift-Home' || key === 'Home'
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? 0
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: state
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const newSelectionDesc: Partial<{
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anchorKey: string;
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anchorOffset: number;
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focusKey: string;
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focusOffset: number;
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}> = {};
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if (
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(e.shiftKey && (e.metaKey && e.key === 'ArrowUp')) ||
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e.key === 'Home'
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) {
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const block = state.getCurrentContent().getFirstBlock();
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newSelectionDesc.anchorKey = block.getKey();
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newSelectionDesc.anchorOffset = 0;
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} else if (
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(e.shiftKey && (e.metaKey && e.key === 'ArrowDown')) ||
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e.key === 'End'
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) {
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const block = state.getCurrentContent().getLastBlock();
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newSelectionDesc.focusKey = block.getKey();
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newSelectionDesc.focusOffset = block.getText().length;
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} else if (
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e.shiftKey &&
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((e.metaKey && e.key === 'ArrowLeft') || e.key === 'Home')
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) {
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newSelectionDesc.anchorOffset = 0;
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} else if (
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e.shiftKey &&
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((e.metaKey && e.key === 'ArrowRight') || e.key === 'End')
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) {
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newSelectionDesc.focusOffset = state
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.getCurrentContent()
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.getBlockForKey(selection.getFocusKey())
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.getText().length;
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} else if (e.shiftKey && e.key === 'ArrowLeft') {
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newSelectionDesc.anchorOffset = selection.getAnchorOffset() - 1;
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if (newSelectionDesc.anchorOffset < 0) {
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newSelectionDesc.anchorOffset = 0;
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const block = state
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.getCurrentContent()
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.getBlockBefore(selection.getAnchorKey());
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if (block) {
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newSelectionDesc.anchorKey = block.getKey();
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}
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}
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} else if (e.shiftKey && e.key === 'ArrowRight') {
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newSelectionDesc.focusOffset = selection.getFocusOffset() + 1;
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const { length } = state
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.getCurrentContent()
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.getBlockForKey(selection.getFocusKey())
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.getText();
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if (newSelectionDesc.focusOffset > length) {
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newSelectionDesc.focusOffset = length;
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const block = state
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.getCurrentContent()
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.getBlockAfter(selection.getAnchorKey());
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if (block) {
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newSelectionDesc.anchorKey = block.getKey();
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}
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}
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} else if (e.shiftKey && e.key === 'ArrowUp') {
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if (selection.getIsBackward()) {
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const block = state
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.getCurrentContent()
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.getBlockBefore(selection.getFocusKey());
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newSelectionDesc.focusOffset = 0;
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if (block) {
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newSelectionDesc.focusKey = block.getKey();
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}
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} else {
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const block = state
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.getCurrentContent()
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.getBlockBefore(selection.getAnchorKey());
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newSelectionDesc.anchorOffset = 0;
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if (block) {
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newSelectionDesc.anchorKey = block.getKey();
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}
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}
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} else if (e.shiftKey && e.key === 'ArrowDown') {
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if (selection.getIsBackward()) {
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const block = state
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.getCurrentContent()
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.getBlockAfter(selection.getAnchorKey());
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if (block) {
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newSelectionDesc.anchorKey = block.getKey();
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newSelectionDesc.anchorOffset = block.getText().length;
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}
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} else {
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const block = state
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.getCurrentContent()
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.getBlockAfter(selection.getFocusKey());
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if (block) {
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newSelectionDesc.focusKey = block.getKey();
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newSelectionDesc.focusOffset = block.getText().length;
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}
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}
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} else if ((e.metaKey && e.key === 'ArrowLeft') || e.key === 'Home') {
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newSelectionDesc.anchorOffset = 0;
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newSelectionDesc.focusOffset = 0;
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} else if ((e.metaKey && e.key === 'ArrowRight') || e.key === 'End') {
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const { length } = state
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.getCurrentContent()
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.getBlockForKey(selection.getAnchorKey())
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.getText().length;
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const desc: { focusOffset?: number; anchorOffset?: number } = {
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focusOffset: offset,
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};
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if (key === 'Home' || key === 'End') {
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desc.anchorOffset = offset;
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.getText();
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newSelectionDesc.anchorOffset = length;
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newSelectionDesc.focusOffset = length;
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} else if (e.key === 'ArrowLeft') {
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newSelectionDesc.anchorOffset = selection.getAnchorOffset() - 1;
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if (newSelectionDesc.anchorOffset < 0) {
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newSelectionDesc.anchorOffset = 0;
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const block = state
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.getCurrentContent()
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.getBlockBefore(selection.getAnchorKey());
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if (block) {
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newSelectionDesc.anchorKey = block.getKey();
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}
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}
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} else if (e.key === 'ArrowRight') {
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newSelectionDesc.focusOffset = selection.getFocusOffset() + 1;
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const { length } = state
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.getCurrentContent()
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.getBlockForKey(selection.getFocusKey())
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.getText();
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if (newSelectionDesc.focusOffset > length) {
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newSelectionDesc.anchorOffset = length;
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const block = state
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.getCurrentContent()
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.getBlockAfter(selection.getFocusKey());
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if (block) {
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newSelectionDesc.focusKey = block.getKey();
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}
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}
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} else if (e.key === 'ArrowUp' || e.key === 'ArrowDown') {
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const content = state.getCurrentContent();
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const anchorKey = selection.getAnchorKey();
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const block =
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e.key === 'ArrowUp'
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? content.getBlockBefore(anchorKey)
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: content.getBlockAfter(anchorKey);
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if (block) {
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const key = block.getKey();
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const length = block.getText().length;
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newSelectionDesc.anchorKey = key;
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newSelectionDesc.focusKey = key;
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const offset = selection.getAnchorOffset();
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newSelectionDesc.anchorOffset = Math.min(length, offset);
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newSelectionDesc.focusOffset = Math.min(length, offset);
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} else {
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if (e.key === 'ArrowUp') {
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const key = content.getFirstBlock().getKey();
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newSelectionDesc.anchorKey = key;
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newSelectionDesc.focusKey = key;
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newSelectionDesc.anchorOffset = 0;
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newSelectionDesc.focusOffset = 0;
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} else {
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const lastBlock = content.getLastBlock();
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const key = lastBlock.getKey();
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const { length } = lastBlock.getText();
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newSelectionDesc.anchorKey = key;
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newSelectionDesc.focusKey = key;
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newSelectionDesc.anchorOffset = length;
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newSelectionDesc.focusOffset = length;
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}
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}
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}
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const newSelection = selection.merge(desc) as SelectionState;
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const newSelection = selection.merge(newSelectionDesc) as SelectionState;
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setAndTrackEditorState(EditorState.forceSelection(state, newSelection));
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},
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[editorStateRef, setAndTrackEditorState]
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@ -586,32 +745,28 @@ export const CompositionInput = ({
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latestKeyRef.current = e.key;
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if (e.key === 'ArrowUp') {
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modKeySelection(e);
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if (!e.shiftKey) {
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selectEmojiResult('prev', e);
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}
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}
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if (e.key === 'ArrowDown') {
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modKeySelection(e);
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if (!e.shiftKey) {
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selectEmojiResult('next', e);
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}
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}
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if (e.key === 'ArrowLeft' && e.metaKey) {
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e.preventDefault();
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if (e.shiftKey) {
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setCursor('Shift-Home');
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} else {
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setCursor('Home');
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}
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modKeySelection(e);
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}
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if (e.key === 'ArrowRight' && e.metaKey) {
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e.preventDefault();
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if (e.shiftKey) {
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setCursor('Shift-End');
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} else {
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setCursor('End');
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}
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modKeySelection(e);
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}
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},
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[latestKeyRef, selectEmojiResult, setCursor]
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[latestKeyRef, selectEmojiResult, modKeySelection]
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);
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const handleEscapeKey = React.useCallback(
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@ -753,15 +908,6 @@ export const CompositionInput = ({
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selectEmojiResult('prev');
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}
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if (
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command === 'Shift-End' ||
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command === 'End' ||
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command === 'Shift-Home' ||
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command === 'Home'
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) {
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setCursor(command);
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}
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return 'not-handled';
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},
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[
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@ -770,7 +916,7 @@ export const CompositionInput = ({
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resetEmojiResults,
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selectEmojiResult,
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setAndTrackEditorState,
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setCursor,
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modKeySelection,
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skinTone,
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submit,
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]
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@ -810,27 +956,27 @@ export const CompositionInput = ({
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}
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if (e.shiftKey && e.key === 'End') {
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e.preventDefault();
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modKeySelection(e);
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return 'Shift-End';
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return null;
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}
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if (e.key === 'End') {
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e.preventDefault();
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modKeySelection(e);
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return 'End';
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return null;
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}
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if (e.shiftKey && e.key === 'Home') {
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e.preventDefault();
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modKeySelection(e);
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return 'Shift-Home';
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return null;
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}
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if (e.key === 'Home') {
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e.preventDefault();
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modKeySelection(e);
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return 'Home';
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return null;
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}
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if (e.key === 'n' && e.ctrlKey) {
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@ -859,7 +1005,7 @@ export const CompositionInput = ({
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return getDefaultKeyBinding(e);
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},
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[latestKeyRef, emojiResults, large]
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[latestKeyRef, emojiResults, large, modKeySelection]
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);
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// Create popper root
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