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fix(PdfReader): render pdf when set ShowToolbar is false #823
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2 changes: 1 addition & 1 deletion
2
src/components/BootstrapBlazor.PdfReader/BootstrapBlazor.PdfReader.csproj
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| Original file line number | Diff line number | Diff line change | ||||
|---|---|---|---|---|---|---|
|
|
@@ -198,7 +198,9 @@ const disposePdf = pdf => { | |||||
| const loadMetadata = (el, pdfViewer, metadata) => { | ||||||
| const filename = el.querySelector('.bb-view-pdf-dialog-filename'); | ||||||
| const docTitle = el.querySelector('.bb-view-subject'); | ||||||
| filename.textContent = docTitle.textContent; | ||||||
| if (docTitle) { | ||||||
| filename.textContent = docTitle.textContent; | ||||||
| } | ||||||
|
|
||||||
| const filesize = el.querySelector('.bb-view-pdf-dialog-filesize'); | ||||||
| filesize.textContent = getFilesize(metadata); | ||||||
|
|
@@ -594,10 +596,14 @@ const removeToolbarEventHandlers = el => { | |||||
|
|
||||||
| const resetToolbarView = (el, pdfViewer) => { | ||||||
| const scaleEl = el.querySelector(".bb-view-scale-input"); | ||||||
| updateScaleValue(el, pdfViewer.currentScale); | ||||||
| if (scaleEl) { | ||||||
| updateScaleValue(el, pdfViewer.currentScale); | ||||||
| } | ||||||
|
|
||||||
| const pageEl = el.querySelector(".bb-view-num"); | ||||||
| pageEl.value = pdfViewer.currentPageNumber; | ||||||
| if (pageEl) { | ||||||
| pageEl.value = pdfViewer.currentPageNumber; | ||||||
| } | ||||||
|
|
||||||
| const group = el.querySelector('.bb-view-group-rotate'); | ||||||
| if (group) { | ||||||
|
|
@@ -610,11 +616,13 @@ const resetToolbarView = (el, pdfViewer) => { | |||||
| } | ||||||
|
|
||||||
| const twoPagesOneView = el.querySelector(".dropdown-item-pages"); | ||||||
| if (pdfViewer.spreadMode === 1) { | ||||||
| twoPagesOneView.classList.add("active"); | ||||||
| } | ||||||
| else { | ||||||
| twoPagesOneView.classList.remove("active"); | ||||||
| if (twoPagesOneView) { | ||||||
| if (pdfViewer.spreadMode === 1) { | ||||||
| twoPagesOneView.classList.add("active"); | ||||||
| } | ||||||
| else { | ||||||
| twoPagesOneView.classList.remove("active"); | ||||||
| } | ||||||
| } | ||||||
|
|
||||||
| delete el.widths | ||||||
|
||||||
| delete el.widths | |
| delete el.widths; |
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The null check for
docTitleis added, butfilename(line 199) is still accessed without a null check. IfdocTitleis null when ShowToolbar is false, thenfilenameis also likely to be null. This will cause a runtime error when trying to setfilename.textContentifdocTitleis null. Add a null check forfilenameas well, or wrap both checks together.