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refactor: MessageComposer.setEditorState to overridden setState

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The old approach led to a confusing proliferation of repeated
setState calls.
This commit is contained in:
Aviral Dasgupta 2016-12-30 19:42:36 +05:30
parent 78641a80dd
commit 48376a32c2
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1 changed files with 58 additions and 39 deletions
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75
src/components/views/rooms/MessageComposerInput.js
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@ -232,7 +232,9 @@ export default class MessageComposerInput extends React.Component {
let contentJSON = window.sessionStorage.getItem("mx_messagecomposer_input_" + this.roomId);
if (contentJSON) {
let content = convertFromRaw(JSON.parse(contentJSON));
component.setEditorState(component.createEditorState(component.state.isRichtextEnabled, content));
component.setState({
editorState: component.createEditorState(component.state.isRichtextEnabled, content)
});
}
},
};
@ -379,36 +381,54 @@ export default class MessageComposerInput extends React.Component {
}
}
// Called by Draft to change editor contents, and by setEditorState
onEditorContentChanged = (editorState: EditorState, didRespondToUserInput: boolean = true) => {
// Called by Draft to change editor contents
onEditorContentChanged = (editorState: EditorState) => {
editorState = RichText.attachImmutableEntitiesToEmoji(editorState);
const contentChanged = Q.defer();
/* If a modification was made, set originalEditorState to null, since newState is now our original */
/* Since a modification was made, set originalEditorState to null, since newState is now our original */
this.setState({
editorState,
originalEditorState: didRespondToUserInput ? null : this.state.originalEditorState,
}, () => contentChanged.resolve());
originalEditorState: null,
});
};
if (editorState.getCurrentContent().hasText()) {
/**
* We're overriding setState here because it's the most convenient way to monitor changes to the editorState.
* Doing it using a separate function that calls setState is a possibility (and was the old approach), but that
* approach requires a callback and an extra setState whenever trying to set multiple state properties.
*
* @param state
* @param callback
*/
setState(state, callback) {
if (state.editorState != null) {
state.editorState = RichText.attachImmutableEntitiesToEmoji(state.editorState);
if (state.editorState.getCurrentContent().hasText()) {
this.onTypingActivity();
} else {
this.onFinishedTyping();
}
if (!state.hasOwnProperty('originalEditorState')) {
state.originalEditorState = null;
}
}
super.setState(state, (state, props, context) => {
if (callback != null) {
callback(state, props, context);
}
if (this.props.onContentChanged) {
const textContent = editorState.getCurrentContent().getPlainText();
const selection = RichText.selectionStateToTextOffsets(editorState.getSelection(),
editorState.getCurrentContent().getBlocksAsArray());
const textContent = state.editorState.getCurrentContent().getPlainText();
const selection = RichText.selectionStateToTextOffsets(state.editorState.getSelection(),
state.editorState.getCurrentContent().getBlocksAsArray());
this.props.onContentChanged(textContent, selection);
}
return contentChanged.promise;
};
setEditorState = (editorState: EditorState) => {
return this.onEditorContentChanged(editorState, false);
};
});
}
enableRichtext(enabled: boolean) {
let contentState = null;
@ -423,13 +443,11 @@ export default class MessageComposerInput extends React.Component {
contentState = ContentState.createFromText(markdown);
}
this.setEditorState(this.createEditorState(enabled, contentState)).then(() => {
this.setState({
editorState: this.createEditorState(enabled, contentState),
isRichtextEnabled: enabled,
});
UserSettingsStore.setSyncedSetting('MessageComposerInput.isRichTextEnabled', enabled);
});
}
handleKeyCommand = (command: string): boolean => {
@ -446,10 +464,14 @@ export default class MessageComposerInput extends React.Component {
const blockCommands = ['code-block', 'blockquote', 'unordered-list-item', 'ordered-list-item'];
if (blockCommands.includes(command)) {
this.setEditorState(RichUtils.toggleBlockType(this.state.editorState, command));
this.setState({
editorState: RichUtils.toggleBlockType(this.state.editorState, command)
});
} else if (command === 'strike') {
// this is the only inline style not handled by Draft by default
this.setEditorState(RichUtils.toggleInlineStyle(this.state.editorState, 'STRIKETHROUGH'));
this.setState({
editorState: RichUtils.toggleInlineStyle(this.state.editorState, 'STRIKETHROUGH')
});
}
} else {
let contentState = this.state.editorState.getCurrentContent(),
@ -480,7 +502,7 @@ export default class MessageComposerInput extends React.Component {
}
if (newState != null) {
this.setEditorState(newState);
this.setState({editorState: newState});
return true;
}
@ -621,7 +643,7 @@ export default class MessageComposerInput extends React.Component {
if (displayedCompletion == null) {
if (this.state.originalEditorState) {
this.setEditorState(this.state.originalEditorState);
this.setState({editorState: this.state.originalEditorState});
}
return false;
}
@ -636,10 +658,7 @@ export default class MessageComposerInput extends React.Component {
let editorState = EditorState.push(activeEditorState, contentState, 'insert-characters');
editorState = EditorState.forceSelection(editorState, contentState.getSelectionAfter());
const originalEditorState = activeEditorState;
await this.setEditorState(editorState);
this.setState({originalEditorState});
this.setState({editorState, originalEditorState: activeEditorState});
// for some reason, doing this right away does not update the editor :(
setTimeout(() => this.refs.editor.focus(), 50);