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devexpress-richedit

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DevExpress Rich Text Editor is an advanced word-processing tool designed for working with rich text documents.

www.devexpress.com

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import { ListUtils } from '@devexpress/utils/lib/utils/list'; import { SubDocumentInterval } from '../sub-document'; import { ParagraphPropertyDescriptor } from './paragraph-properties'; export class ParagraphPropertiesApplier { constructor(modelManager, inputPosition, newParProps, subDocument, intervals) { this.modelManager = modelManager; this.newParProps = newParProps; this.inputPosition = inputPosition; this.modelManip = this.modelManager.modelManipulator; this.subDoc = subDocument; this.intervals = intervals; } apply() { const history = this.modelManager.history; this.parPropsFull = this.inputPosition.getMergedParagraphPropertiesFull(); this.parPropsRaw = this.inputPosition.getMergedParagraphPropertiesRaw(); this.oldParPropsRaw = this.parPropsRaw.clone(); const parIndices = this.subDoc.getParagraphIndicesByIntervals(this.intervals); let changed = 0; history.beginTransaction(); ListUtils.reverseForEach(parIndices, (parIndex) => { const paragraph = this.subDoc.paragraphs[parIndex]; const interval = this.subDoc.paragraphs[parIndex].interval; this.oldParPropsRaw = paragraph.getParagraphMergedProperties().clone(); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.firstLineIndentType); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.firstLineIndent); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.widowOrphanControl); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.afterAutoSpacing); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.outlineLevel); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.beforeAutoSpacing); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.pageBreakBefore); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.rightIndent); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.suppressHyphenation); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.suppressLineNumbers); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.keepLinesTogether); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.keepWithNext); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.shadingInfo); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.leftIndent); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.lineSpacingType); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.lineSpacing); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.alignment); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.contextualSpacing); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.spacingBefore); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.spacingAfter); changed |= this.applyProp(interval, ParagraphPropertyDescriptor.divId); }); history.endTransaction(); return !!changed; } applyProp(interval, descriptor) { const newValue = descriptor.getProp(this.newParProps); const currValue = descriptor.getProp(this.oldParPropsRaw); if (newValue !== undefined && newValue !== currValue) { descriptor.setProp(this.parPropsFull, newValue); descriptor.setProp(this.parPropsRaw, newValue); this.modelManager.history.addAndRedo(new (descriptor.getHistoryItemConstructor())(this.modelManip, new SubDocumentInterval(this.subDoc, interval), newValue, true)); return 1; } return 0; } }