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enhance(web): hide attachment dropzone on preview tab in combo editor (#39204)

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Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Grigor Tonikyan
2026-09-03 23:32:11 +00:00
committed by GitHub
co-authored by wxiaoguang
parent c285440e03
commit c56b2d35ff
4 changed files with 24 additions and 7 deletions
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web_src/js/features/comp/ComboMarkdownEditor.ts
+17 -5
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@@ -86,6 +86,7 @@ export class ComboMarkdownEditor {
buttonMonospace!: HTMLButtonElement;
dropzoneParentContainer: HTMLElement | null = null;
dropzone: HTMLElement | null = null;
attachedDropzoneInst?: Dropzone;
@@ -117,11 +118,17 @@ export class ComboMarkdownEditor {
if (heights.maxHeight) el.style.maxHeight = heights.maxHeight;
}
updateEditorContainerTabPage(page: 'writer' | 'previewer') {
this.dropzoneParentContainer?.classList.add('combo-editor-container');
this.dropzoneParentContainer?.setAttribute('data-combo-editor-page', page);
}
setupContainer() {
this.supportEasyMDE = this.container.getAttribute('data-support-easy-mde') === 'true';
this.previewMode = this.container.getAttribute('data-content-mode')!;
this.previewUrl = this.container.getAttribute('data-preview-url')!;
this.previewContext = this.container.getAttribute('data-preview-context')!;
this.updateEditorContainerTabPage('writer');
initTextExpander(this.container.querySelector('text-expander')!);
}
@@ -170,9 +177,10 @@ export class ComboMarkdownEditor {
}
async setupDropzone() {
const dropzoneParentContainer = this.container.getAttribute('data-dropzone-parent-container');
if (!dropzoneParentContainer) return;
this.dropzone = this.container.closest(this.container.getAttribute('data-dropzone-parent-container')!)?.querySelector('.dropzone') ?? null;
const containerSelector = this.container.getAttribute('data-dropzone-parent-container');
if (!containerSelector) return;
this.dropzoneParentContainer = this.container.closest(containerSelector);
this.dropzone = this.dropzoneParentContainer?.querySelector('.dropzone') ?? null;
if (!this.dropzone) return;
this.attachedDropzoneInst = await initDropzone(this.dropzone);
@@ -210,7 +218,7 @@ export class ComboMarkdownEditor {
this.tabEditor = this.container.querySelector('[data-tab-for="markdown-writer"]')!;
this.tabPreviewer = this.container.querySelector('[data-tab-for="markdown-previewer"]')!;
const panelEditor = this.container.querySelector('.ui.tab[data-tab-panel="markdown-writer"]')!;
const panelPreviewer = this.container.querySelector('.ui.tab[data-tab-panel="markdown-previewer"]')!;
const panelPreviewer = this.container.querySelector<HTMLElement>('.ui.tab[data-tab-panel="markdown-previewer"]')!;
// Fomantic Tab requires the "data-tab" to be globally unique.
// So here it uses our defined "data-tab-for" and "data-tab-panel" to generate the "data-tab" attribute for Fomantic.
@@ -222,12 +230,16 @@ export class ComboMarkdownEditor {
initTabSwitcher(elTabular);
this.tabEditor.addEventListener('click', () => {
this.updateEditorContainerTabPage('writer');
requestAnimationFrame(() => {
this.focus();
});
});
this.tabPreviewer.addEventListener('click', async () => {
// use capture to get the event before Fomantic Tab switches the tab, so that we can set the minHeight of the previewer panel to avoid flickering.
panelPreviewer.style.minHeight = `${panelEditor?.clientHeight}px`;
this.updateEditorContainerTabPage('previewer');
const formData = new FormData();
formData.append('mode', this.previewMode);
formData.append('context', this.previewContext);
@@ -249,7 +261,7 @@ export class ComboMarkdownEditor {
triggerEditorContentChanged(this.container);
});
}
});
}, {capture: true});
}
generateMarkdownTable(rows: number, cols: number): string {