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Standalone Editor: Add a SelectionPlugin (#2228)
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127 changes: 127 additions & 0 deletions
127
packages-content-model/roosterjs-content-model-core/lib/corePlugin/SelectionPlugin.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| import type { IEditor, PluginWithState } from 'roosterjs-editor-types'; | ||
| import type { | ||
| IStandaloneEditor, | ||
| SelectionPluginState, | ||
| StandaloneEditorOptions, | ||
| } from 'roosterjs-content-model-types'; | ||
|
|
||
| class SelectionPlugin implements PluginWithState<SelectionPluginState> { | ||
| private editor: (IStandaloneEditor & IEditor) | null = null; | ||
| private state: SelectionPluginState; | ||
| private disposer: (() => void) | null = null; | ||
|
|
||
| constructor(options: StandaloneEditorOptions) { | ||
| this.state = { | ||
| selectionRange: null, | ||
| tableSelectionRange: null, | ||
| imageSelectionRange: null, | ||
| selectionStyleNode: null, | ||
| imageSelectionBorderColor: options.imageSelectionBorderColor, // TODO: Move to Selection core plugin | ||
| }; | ||
| } | ||
|
|
||
| getName() { | ||
| return 'Selection'; | ||
| } | ||
|
|
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| initialize(editor: IEditor) { | ||
| this.editor = editor as IEditor & IStandaloneEditor; | ||
|
|
||
| const doc = this.editor.getDocument(); | ||
| const styleNode = doc.createElement('style'); | ||
|
|
||
| doc.head.appendChild(styleNode); | ||
| this.state.selectionStyleNode = styleNode; | ||
|
|
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| const env = this.editor.getEnvironment(); | ||
| const document = this.editor.getDocument(); | ||
|
|
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| if (env.isSafari) { | ||
| document.addEventListener('mousedown', this.onMouseDownDocument, true /*useCapture*/); | ||
| document.addEventListener('keydown', this.onKeyDownDocument); | ||
| document.defaultView?.addEventListener('blur', this.onBlur); | ||
| this.disposer = this.editor.addDomEventHandler('focus', this.onFocus); | ||
| } else { | ||
| this.disposer = this.editor.addDomEventHandler({ | ||
| focus: this.onFocus, | ||
| blur: this.onBlur, | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| dispose() { | ||
| if (this.state.selectionStyleNode) { | ||
| this.state.selectionStyleNode.parentNode?.removeChild(this.state.selectionStyleNode); | ||
| this.state.selectionStyleNode = null; | ||
| } | ||
|
|
||
| if (this.disposer) { | ||
| this.disposer(); | ||
| this.disposer = null; | ||
| } | ||
|
|
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| if (this.editor) { | ||
| const document = this.editor.getDocument(); | ||
|
|
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| document.removeEventListener( | ||
| 'mousedown', | ||
| this.onMouseDownDocument, | ||
| true /*useCapture*/ | ||
| ); | ||
| document.removeEventListener('keydown', this.onKeyDownDocument); | ||
| document.defaultView?.removeEventListener('blur', this.onBlur); | ||
|
|
||
| this.editor = null; | ||
| } | ||
| } | ||
|
|
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| getState(): SelectionPluginState { | ||
| return this.state; | ||
| } | ||
|
|
||
| private onFocus = () => { | ||
| if (!this.state.skipReselectOnFocus && this.editor) { | ||
| const { table, coordinates } = this.state.tableSelectionRange || {}; | ||
| const { image } = this.state.imageSelectionRange || {}; | ||
|
|
||
| if (table && coordinates) { | ||
| this.editor.select(table, coordinates); | ||
| } else if (image) { | ||
| this.editor.select(image); | ||
| } else if (this.state.selectionRange) { | ||
| this.editor.select(this.state.selectionRange); | ||
| } | ||
| } | ||
|
|
||
| this.state.selectionRange = null; | ||
| }; | ||
|
|
||
| private onBlur = () => { | ||
| if (!this.state.selectionRange && this.editor) { | ||
| this.state.selectionRange = this.editor.getSelectionRange(false /*tryGetFromCache*/); | ||
| } | ||
| }; | ||
|
|
||
| private onKeyDownDocument = (event: KeyboardEvent) => { | ||
| if (event.key == 'Tab' && !event.defaultPrevented) { | ||
| this.onBlur(); | ||
| } | ||
| }; | ||
|
|
||
| private onMouseDownDocument = (event: MouseEvent) => { | ||
| if (this.editor && !this.editor.contains(event.target as Node)) { | ||
| this.onBlur(); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * @internal | ||
| * Create a new instance of SelectionPlugin. | ||
| * @param option The editor option | ||
| */ | ||
| export function createSelectionPlugin( | ||
| options: StandaloneEditorOptions | ||
| ): PluginWithState<SelectionPluginState> { | ||
| return new SelectionPlugin(options); | ||
| } |
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