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5465aef099
Update file outline to follow React code style guidelines GitOrigin-RevId: 8b32e27d20378cbf573d24feb799eb6f99746402
107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
import './controllers/outline-controller'
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import { matchOutline, nestOutline } from './outline-parser'
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import isValidTeXFile from '../../main/is-valid-tex-file'
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class OutlineManager {
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constructor(ide, scope) {
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this.ide = ide
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this.scope = scope
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this.shareJsDoc = null
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this.isTexFile = false
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this.flatOutline = []
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this.outline = []
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this.highlightedLine = null
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this.ignoreNextScroll = false
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this.ignoreNextCursorUpdate = false
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scope.$on('doc:after-opened', (ev, { isNewDoc }) => {
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if (isNewDoc) {
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// if a new doc is opened a cursor updates will be triggered before the
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// content is loaded. We have to ignore it or the outline highlight
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// will be incorrect. This doesn't happen when `doc:after-opened` is
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// fired without a new doc opened.
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this.ignoreNextCursorUpdate = true
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}
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// always ignore the next scroll update so the cursor update takes
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// precedence
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this.ignoreNextScroll = true
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this.shareJsDoc = scope.editor.sharejs_doc
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this.isTexFile = isValidTeXFile(scope.editor.open_doc_name)
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this.updateOutline()
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this.broadcastChangeEvent()
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})
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scope.$watch('openFile.name', openFileName => {
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this.isTexFile = isValidTeXFile(openFileName)
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this.updateOutline()
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this.broadcastChangeEvent()
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})
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scope.$on('doc:changed', () => {
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this.updateOutline()
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this.broadcastChangeEvent()
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})
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scope.$on('cursor:editor:update', (event, cursorPosition) => {
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if (this.ignoreNextCursorUpdate) {
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this.ignoreNextCursorUpdate = false
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return
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}
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this.updateHighlightedLine(cursorPosition.row + 1)
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this.broadcastChangeEvent()
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})
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scope.$on('scroll:editor:update', (event, middleVisibleRow) => {
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if (this.ignoreNextScroll) {
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this.ignoreNextScroll = false
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return
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}
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this.updateHighlightedLine(middleVisibleRow + 1)
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})
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scope.$watch('editor.showRichText', () => {
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this.ignoreNextScroll = true
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this.ignoreNextCursorUpdate = true
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})
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}
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updateOutline() {
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this.outline = []
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if (this.isTexFile) {
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const content = this.ide.editorManager.getCurrentDocValue()
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if (content) {
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this.flatOutline = matchOutline(content)
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this.outline = nestOutline(this.flatOutline)
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}
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}
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}
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// set highlightedLine to the closest outline line above the editorLine
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updateHighlightedLine(editorLine) {
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let closestOutlineLine = null
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for (let lineId = 0; lineId < this.flatOutline.length; lineId++) {
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const outline = this.flatOutline[lineId]
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if (editorLine < outline.line) break // editorLine is above
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closestOutlineLine = outline.line
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}
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if (closestOutlineLine === this.highlightedLine) return
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this.highlightedLine = closestOutlineLine
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this.broadcastChangeEvent()
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}
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jumpToLine(line, syncToPdf) {
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this.ignoreNextScroll = true
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this.ide.editorManager.jumpToLine({ gotoLine: line, syncToPdf })
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}
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broadcastChangeEvent() {
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this.scope.$broadcast('outline-manager:outline-changed', {
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isTexFile: this.isTexFile,
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outline: this.outline,
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highlightedLine: this.highlightedLine
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})
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}
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}
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export default OutlineManager
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