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Allow reversing selection range

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This commit is contained in:
Michael Shamoon 2021-01-15 01:54:33 -08:00
parent 6d786f8987
commit f94da1cf27
1 changed files with 22 additions and 8 deletions
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30
src-ui/src/app/services/document-list-view.service.ts
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@ -28,6 +28,7 @@ export class DocumentListViewService {
currentPageSize: number = this.settings.get(SETTINGS_KEYS.DOCUMENT_LIST_SIZE)
collectionSize: number
lastSelectedDocumentIndex: number
lastSelectedDocumentToIndex: number
/**
* This is the current config for the document list. The service will always remember the last settings used for the document list.
@ -109,7 +110,7 @@ export class DocumentListViewService {
if (onFinish) {
onFinish()
}
this.lastSelectedDocumentIndex = null
this.lastSelectedDocumentIndex = this.lastSelectedDocumentToIndex = null
this.isReloading = false
},
error => {
@ -220,7 +221,7 @@ export class DocumentListViewService {
selectNone() {
this.selected.clear()
this.lastSelectedDocumentIndex = null
this.lastSelectedDocumentIndex = this.lastSelectedDocumentToIndex = null
}
reduceSelectionToFilter() {
@ -253,17 +254,30 @@ export class DocumentListViewService {
}
toggleSelected(d: PaperlessDocument, includeRange: boolean): void {
if (this.selected.has(d.id) && !includeRange) this.selected.delete(d.id)
else this.selected.add(d.id)
if (!includeRange) {
// regular i.e. no shift key toggle
if (this.selected.has(d.id)) this.selected.delete(d.id)
else this.selected.add(d.id)
} else if (includeRange && this.lastSelectedDocumentIndex !== null) {
const documentToIndex = this.documentIndexInCurrentView(d.id)
const fromIndex = Math.min(this.lastSelectedDocumentIndex, documentToIndex)
const toIndex = Math.max(this.lastSelectedDocumentIndex, documentToIndex)
if (includeRange && this.lastSelectedDocumentIndex !== null) {
const toIndex = this.documentIndexInCurrentView(d.id)
this.documents.slice(Math.min(this.lastSelectedDocumentIndex, toIndex), Math.max(this.lastSelectedDocumentIndex, toIndex)).forEach(d => {
if ((this.lastSelectedDocumentToIndex > this.lastSelectedDocumentIndex && documentToIndex < this.lastSelectedDocumentIndex) ||
(this.lastSelectedDocumentToIndex < this.lastSelectedDocumentIndex && documentToIndex > this.lastSelectedDocumentIndex)) {
// invert last selected
this.documents.slice(Math.min(this.lastSelectedDocumentIndex, this.lastSelectedDocumentToIndex), Math.max(this.lastSelectedDocumentIndex, this.lastSelectedDocumentToIndex) + 1).forEach(d => {
this.selected.delete(d.id)
})
}
this.documents.slice(fromIndex, toIndex + 1).forEach(d => {
this.selected.add(d.id)
})
this.lastSelectedDocumentToIndex = documentToIndex
}
if (!includeRange || (includeRange && this.lastSelectedDocumentIndex == null)) {
if (!includeRange || (includeRange && this.lastSelectedDocumentIndex == null)) { // e.g. shift key but first click
this.lastSelectedDocumentIndex = this.documentIndexInCurrentView(d.id)
}
}