tdf#150494 LanguageTool: Add placeholder text with default value info

With this patch, the Language Tool dialog works as follows:

- The first time the tool is enabled, a default URL is entered as text

- If the URL is left empty, a placeholder text is shown saying that leaving this entry empty will cause the default URL to be used

- If another URL is defined by the user, than this is the one used

Change-Id: Id31fca0e44091aff3c77a9be8b639a20437b1b7c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142197
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>

3 files changed, 28 insertions, 2 deletions

diff --git a/cui/inc/strings.hrc b/cui/inc/strings.hrc
index cea0b183e33a..b4b232b9ac5d 100644
--- a/cui/inc/strings.hrc
+++ b/cui/inc/strings.hrc
@@ -403,4 +403,6 @@
 #define RID_CUISTR_ZIPFAIL                          NC_("RID_CUISTR_ZIPFAIL", "Creation of ZIP file failed.")
 #define RID_CUISTR_SAVED                            NC_("RID_CUISTR_SAVED", "The results have been successfully saved in the file 'GraphicTestResults.zip'!")
 
+#define RID_LANGUAGETOOL_LEAVE_EMPTY                NC_("RID_LANGUAGETOOL_LEAVE_EMPTY", "Leave this field empty to use the free version")
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/cui/source/options/optlanguagetool.cxx b/cui/source/options/optlanguagetool.cxx
index 38807bc337d3..309ff2a09b52 100644
--- a/cui/source/options/optlanguagetool.cxx
+++ b/cui/source/options/optlanguagetool.cxx
@@ -20,6 +20,8 @@
 #include "optlanguagetool.hxx"
 #include <svtools/languagetoolcfg.hxx>
 #include <sal/log.hxx>
+#include <dialmgr.hxx>
+#include <strings.hrc>
 
 OptLanguageToolTabPage::OptLanguageToolTabPage(weld::Container* pPage,
                                                weld::DialogController* pController,
@@ -34,6 +36,11 @@ OptLanguageToolTabPage::OptLanguageToolTabPage(weld::Container* pPage,
     m_xActivateBox->connect_toggled(LINK(this, OptLanguageToolTabPage, CheckHdl));
     SvxLanguageToolOptions& rLanguageOpts = SvxLanguageToolOptions::Get();
     EnableControls(rLanguageOpts.getEnabled());
+
+    // tdf#150494 Set default values as placeholder text
+    m_xBaseURLED->set_placeholder_text(CuiResId(RID_LANGUAGETOOL_LEAVE_EMPTY));
+    m_xUsernameED->set_placeholder_text(CuiResId(RID_LANGUAGETOOL_LEAVE_EMPTY));
+    m_xApiKeyED->set_placeholder_text(CuiResId(RID_LANGUAGETOOL_LEAVE_EMPTY));
 }
 
 OptLanguageToolTabPage::~OptLanguageToolTabPage() {}
@@ -54,7 +61,14 @@ IMPL_LINK_NOARG(OptLanguageToolTabPage, CheckHdl, weld::Toggleable&, void)
 void OptLanguageToolTabPage::Reset(const SfxItemSet*)
 {
     SvxLanguageToolOptions& rLanguageOpts = SvxLanguageToolOptions::Get();
-    m_xBaseURLED->set_text(rLanguageOpts.getBaseURL());
+
+    // tdf#150494 If no URL has been set, use the default URL
+    OUString aBaseURL = rLanguageOpts.getBaseURL();
+    if (aBaseURL.isEmpty())
+        m_xBaseURLED->set_text(LANGUAGETOOL_DEFAULT_URL);
+    else
+        m_xBaseURLED->set_text(rLanguageOpts.getBaseURL());
+
     m_xUsernameED->set_text(rLanguageOpts.getUsername());
     m_xApiKeyED->set_text(rLanguageOpts.getApiKey());
 }
@@ -62,7 +76,14 @@ void OptLanguageToolTabPage::Reset(const SfxItemSet*)
 bool OptLanguageToolTabPage::FillItemSet(SfxItemSet*)
 {
     SvxLanguageToolOptions& rLanguageOpts = SvxLanguageToolOptions::Get();
-    rLanguageOpts.setBaseURL(m_xBaseURLED->get_text());
+
+    // tdf#150494 If no URL has been set, then save the default URL
+    OUString aBaseURL = m_xBaseURLED->get_text();
+    if (aBaseURL.isEmpty())
+        rLanguageOpts.setBaseURL(LANGUAGETOOL_DEFAULT_URL);
+    else
+        rLanguageOpts.setBaseURL(aBaseURL);
+
     rLanguageOpts.setUsername(m_xUsernameED->get_text());
     rLanguageOpts.setApiKey(m_xApiKeyED->get_text());
     return false;
diff --git a/cui/source/options/optlanguagetool.hxx b/cui/source/options/optlanguagetool.hxx
index 46a60ecbe103..8ee83ed4e367 100644
--- a/cui/source/options/optlanguagetool.hxx
+++ b/cui/source/options/optlanguagetool.hxx
@@ -18,6 +18,9 @@
  */
 #pragma once
 #include <sfx2/tabdlg.hxx>
+#include <rtl/ustring.hxx>
+
+inline constexpr OUStringLiteral LANGUAGETOOL_DEFAULT_URL = u"https://api.languagetool.org/v2";
 
 class OptLanguageToolTabPage : public SfxTabPage
 {