overleaf/services/web/app/views/project/editor/editor.pug

div.full-size(
	ng-show="ui.view == 'editor'"
	layout="pdf"
	layout-disabled="ui.pdfLayout != 'sideBySide'"
	mask-iframes-on-resize="true"
	resize-on="layout:main:resize"
	resize-proportionally="true"
	initial-size-east="'50%'"
	minimum-restore-size-east="300"
	allow-overflow-on="'center'"
	custom-toggler-pane=hasFeature('custom-togglers') ? "east" : false
	custom-toggler-msg-when-open=hasFeature('custom-togglers') ? translate("tooltip_hide_pdf") : false
	custom-toggler-msg-when-closed=hasFeature('custom-togglers') ? translate("tooltip_show_pdf") : false
)
	if showSymbolPalette
		include ./editor-with-symbol-palette
	else
		include ./editor-no-symbol-palette

	.ui-layout-east
		// The pdf-preview component needs to always be rendered, even when the editor is in "full-width" mode and it's not visible. 
		// It doesn't recompile while hidden, due to the ui.pdfHidden flag, but maintains its state for when it's shown again.
		if showNewPdfPreview
			div(ng-show="ui.pdfLayout == 'sideBySide'")
				pdf-preview()
		else
			div(ng-if="ui.pdfLayout == 'sideBySide'")
				include ./pdf

	.ui-layout-resizer-controls.synctex-controls(
		ng-show="!!pdf.url && settings.pdfViewer !== 'native'"
		ng-controller="PdfSynctexController"
	)
		a.btn.btn-default.btn-xs.synctex-control.synctex-control-goto-pdf(
			tooltip=translate('go_to_code_location_in_pdf')
			tooltip-placement="right"
			tooltip-append-to-body="true"
			ng-click="syncToPdf()"
			ng-disabled="syncToPdfInFlight"
		)
			i.synctex-control-icon(ng-show="!syncToPdfInFlight")
			i.synctex-spin-icon.fa.fa-refresh.fa-spin(ng-show="syncToPdfInFlight")
		a.btn.btn-default.btn-xs.synctex-control.synctex-control-goto-code(
			tooltip=translate('go_to_pdf_location_in_code')
			tooltip-placement="right"
			tooltip-append-to-body="true"
			ng-click="syncToCode()"
			ng-disabled="syncToCodeInFlight"
		)
			i.synctex-control-icon(ng-show="!syncToCodeInFlight")
			i.synctex-spin-icon.fa.fa-refresh.fa-spin(ng-show="syncToCodeInFlight")

div.full-size(
	ng-if="ui.pdfLayout == 'flat'"
	ng-show="ui.view == 'pdf'"
)
	if showNewPdfPreview
		pdf-preview()
	else
		include ./pdf

// fallback, shown when no file/view is selected
div.full-size.no-file-selection(
	ng-if="!ui.view"
)
	.no-file-selection-message(
		ng-if="rootFolder.children && rootFolder.children.length > 0"
	)
		h3
			| #{translate('no_selection_select_file')}
	.no-file-selection-message(
		ng-if="rootFolder.children && rootFolder.children.length === 0"
	)
		h3
			| #{translate('no_selection_create_new_file')}
		div(
			ng-controller="FileTreeController"
		)
			button.btn.btn-primary(
				ng-click="openNewDocModal()"
			)
				| #{translate('new_file')}