Add UI for the sc::dataprovider

Change-Id: I29acc8903d5694e46e7575133ee852bbaae6eeee
Reviewed-on: https://gerrit.libreoffice.org/40851
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

13 files changed, 732 insertions, 1 deletions

diff --git a/sc/Library_sc.mk b/sc/Library_sc.mk
index e9220df0bd9c..4bc99c5b939d 100644
--- a/sc/Library_sc.mk
+++ b/sc/Library_sc.mk
@@ -464,6 +464,7 @@ $(eval $(call gb_Library_add_exception_objects,sc,\
     sc/source/ui/miscdlgs/conflictsdlg \
     sc/source/ui/miscdlgs/crnrdlg \
     sc/source/ui/miscdlgs/datastreamdlg \
+    sc/source/ui/miscdlgs/dataproviderdlg \
     sc/source/ui/miscdlgs/highred \
     sc/source/ui/miscdlgs/mergecellsdialog \
     sc/source/ui/miscdlgs/optsolver \
diff --git a/sc/UIConfig_scalc.mk b/sc/UIConfig_scalc.mk
index 92d408709022..bd926ac93dd6 100644
--- a/sc/UIConfig_scalc.mk
+++ b/sc/UIConfig_scalc.mk
@@ -110,6 +110,7 @@ $(eval $(call gb_UIConfig_add_uifiles,modules/scalc,\
 	sc/uiconfig/scalc/ui/datafieldoptionsdialog \
 	sc/uiconfig/scalc/ui/dataform \
 	sc/uiconfig/scalc/ui/datastreams \
+	sc/uiconfig/scalc/ui/dataprovider \
 	sc/uiconfig/scalc/ui/definedatabaserangedialog \
 	sc/uiconfig/scalc/ui/definename \
 	sc/uiconfig/scalc/ui/deletecells \
diff --git a/sc/inc/datamapper.hxx b/sc/inc/datamapper.hxx
index 28476df8d8dd..c96c63f942c0 100644
--- a/sc/inc/datamapper.hxx
+++ b/sc/inc/datamapper.hxx
@@ -11,6 +11,9 @@
 #define INCLUDED_SC_INC_EXTERNALDATAMAPPER_HXX
 
 #include <memory>
+#include <vector>
+
+#include "scdllapi.h"
 
 #include <rtl/ustring.hxx>
 
@@ -23,7 +26,7 @@ class ScDBDataManager;
 class DataProvider;
 class ScDBDataManager;
 
-class ExternalDataSource
+class SC_DLLPUBLIC ExternalDataSource
 {
 private:
 
@@ -69,6 +72,8 @@ public:
     ExternalDataSource(const OUString& rURL,
             const OUString& rProvider);
 
+    ~ExternalDataSource();
+
     void setUpdateFrequency(double nUpdateFrequency);
 
     void setID(const OUString& rID);
diff --git a/sc/inc/sc.hrc b/sc/inc/sc.hrc
index 7cd95f8d0507..eda54c590d7e 100644
--- a/sc/inc/sc.hrc
+++ b/sc/inc/sc.hrc
@@ -84,6 +84,8 @@
 #define SID_SCFORMULAOPTIONS    (SC_VIEW_START + 20)
 #define SID_SCDEFAULTSOPTIONS   (SC_VIEW_START + 21)
 
+
+#define SID_DATA_PROVIDER       (SC_VIEW_START + 32)
 #define SID_DATA_STREAMS_PLAY   (SC_VIEW_START + 33)
 #define SID_DATA_STREAMS_STOP   (SC_VIEW_START + 34)
 #define SID_DATA_STREAMS        (SC_VIEW_START + 35)
diff --git a/sc/sdi/cellsh.sdi b/sc/sdi/cellsh.sdi
index 9958dccc5489..8db89f78171a 100644
--- a/sc/sdi/cellsh.sdi
+++ b/sc/sdi/cellsh.sdi
@@ -48,6 +48,7 @@ interface CellSelection
     SID_DATA_STREAMS        [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
     SID_DATA_STREAMS_PLAY   [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
     SID_DATA_STREAMS_STOP   [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
+    SID_DATA_PROVIDER       [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
     SID_MANAGE_XML_SOURCE   [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
     SID_SORT                [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
     SID_DATA_FORM           [ ExecMethod = ExecuteDB; StateMethod = GetDBState; ]
diff --git a/sc/sdi/scalc.sdi b/sc/sdi/scalc.sdi
index c149b8739937..b828206cf121 100644
--- a/sc/sdi/scalc.sdi
+++ b/sc/sdi/scalc.sdi
@@ -4467,6 +4467,23 @@ SfxVoidItem DataStreamsStop SID_DATA_STREAMS_STOP
     GroupId = SfxGroupId::Data;
 ]
 
+SfxVoidItem DataProvider SID_DATA_PROVIDER
+()
+[
+    AutoUpdate = FALSE,
+    FastCall = FALSE,
+    ReadOnlyDoc = TRUE,
+    Toggle = FALSE,
+    Container = FALSE,
+    RecordAbsolute = FALSE,
+    RecordPerSet;
+
+    AccelConfig = TRUE,
+    MenuConfig = TRUE,
+    ToolBoxConfig = FALSE,
+    GroupId = SfxGroupId::Data;
+]
+
 SfxVoidItem ManageXMLSource SID_MANAGE_XML_SOURCE
 (SfxStringItem DbName SID_MANAGE_XML_SOURCE)
 [
diff --git a/sc/source/ui/docshell/dataprovider.cxx b/sc/source/ui/docshell/dataprovider.cxx
index 2ce549156146..703bf6b363e6 100644
--- a/sc/source/ui/docshell/dataprovider.cxx
+++ b/sc/source/ui/docshell/dataprovider.cxx
@@ -65,6 +65,10 @@ ExternalDataSource::ExternalDataSource(const OUString& rURL,
 {
 }
 
+ExternalDataSource::~ExternalDataSource()
+{
+}
+
 void ExternalDataSource::setID(const OUString& rID)
 {
     maID = rID;
diff --git a/sc/source/ui/inc/dataproviderdlg.hxx b/sc/source/ui/inc/dataproviderdlg.hxx
new file mode 100644
index 000000000000..05e607157931
--- /dev/null
+++ b/sc/source/ui/inc/dataproviderdlg.hxx
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_SC_SOURCE_UI_INC_DATAPROVIDERDLG_HXX
+#define INCLUDED_SC_SOURCE_UI_INC_DATAPROVIDERDLG_HXX
+
+#include <sal/config.h>
+
+#include <rtl/ref.hxx>
+#include <vcl/dialog.hxx>
+#include <vcl/layout.hxx>
+
+#include "address.hxx"
+#include "datamapper.hxx"
+#include "dataprovider.hxx"
+
+class ScDocShell;
+class SvtURLBox;
+class ScRange;
+class ComboBox;
+
+namespace sc {
+
+class DataProviderDlg : public ModalDialog
+{
+    ScDocShell *mpDocShell;
+
+    VclPtr<SvtURLBox>      m_pCbUrl;
+    VclPtr<PushButton>     m_pBtnBrowse;
+    VclPtr<RadioButton>    m_pRBAddressValue;
+    VclPtr<CheckBox>       m_pCBRefreshOnEmpty;
+    VclPtr<RadioButton>    m_pRBMaxLimit;
+    VclPtr<RadioButton>    m_pRBUnlimited;
+    VclPtr<Edit>           m_pEdRange;
+    VclPtr<Edit>           m_pEdLimit;
+    VclPtr<OKButton>       m_pBtnOk;
+    VclPtr<VclFrame>       m_pVclFrameLimit;
+
+    DECL_LINK(UpdateClickHdl, Button*, void);
+    DECL_LINK(UpdateHdl, Edit&, void);
+    DECL_LINK(UpdateComboBoxHdl, ComboBox&, void);
+    DECL_LINK(BrowseHdl, Button*, void);
+
+    void UpdateEnable();
+    ScRange GetStartRange();
+
+    std::shared_ptr<ExternalDataSource> mpDataSource;
+
+public:
+    DataProviderDlg(ScDocShell *pDocShell, vcl::Window* pParent);
+    virtual ~DataProviderDlg() override;
+    virtual void dispose() override;
+
+    void Init();
+
+    void StartImport();
+};
+
+}
+
+#endif // INCLUDED_SC_SOURCE_UI_INC_DATAPROVIDERDLG_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/miscdlgs/dataproviderdlg.cxx b/sc/source/ui/miscdlgs/dataproviderdlg.cxx
new file mode 100644
index 000000000000..ae0427217ed9
--- /dev/null
+++ b/sc/source/ui/miscdlgs/dataproviderdlg.cxx
@@ -0,0 +1,171 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <dataproviderdlg.hxx>
+
+#include <sfx2/filedlghelper.hxx>
+#include <svtools/inettbc.hxx>
+#include <vcl/layout.hxx>
+#include <address.hxx>
+#include <docsh.hxx>
+#include <dbdata.hxx>
+#include "datamapper.hxx"
+
+namespace sc {
+
+DataProviderDlg::DataProviderDlg(ScDocShell *pDocShell, vcl::Window* pParent)
+    : ModalDialog(pParent, "DataProviderDialog", "modules/scalc/ui/dataprovider.ui")
+    , mpDocShell(pDocShell)
+{
+    get(m_pCbUrl, "url");
+    get(m_pBtnBrowse, "browse");
+    get(m_pRBAddressValue, "addressvalue");
+    get(m_pCBRefreshOnEmpty, "refresh_ui");
+    //get(m_pRBRangeDown, "rangedown");
+    //get(m_pRBNoMove, "nomove");
+    get(m_pRBMaxLimit, "maxlimit");
+    get(m_pRBUnlimited, "unlimited");
+    get(m_pEdRange, "range");
+    get(m_pEdLimit, "limit");
+    get(m_pBtnOk, "ok");
+    get(m_pVclFrameLimit, "framelimit");
+    //get(m_pVclFrameMove, "framemove");
+
+    m_pCbUrl->SetSelectHdl( LINK( this, DataProviderDlg, UpdateComboBoxHdl ) );
+    m_pRBAddressValue->SetClickHdl( LINK( this, DataProviderDlg, UpdateClickHdl ) );
+    m_pRBAddressValue->Enable(false);
+    //m_pRBScriptData->Enable(false);
+    //m_pRBDirectData->Hide();
+    //m_pRBScriptData->Hide();
+    //m_pRBNoMove->Hide();
+    //m_pRBValuesInLine->SetClickHdl( LINK( this, DataProviderDlg, UpdateClickHdl ) );
+    m_pEdRange->SetModifyHdl( LINK( this, DataProviderDlg, UpdateHdl ) );
+    m_pBtnBrowse->SetClickHdl( LINK( this, DataProviderDlg, BrowseHdl ) );
+    UpdateEnable();
+}
+
+DataProviderDlg::~DataProviderDlg()
+{
+    disposeOnce();
+}
+
+void DataProviderDlg::dispose()
+{
+    m_pCbUrl.clear();
+    m_pBtnBrowse.clear();
+    //m_pRBDirectData.clear();
+    //m_pRBScriptData.clear();
+    //m_pRBValuesInLine.clear();
+    m_pRBAddressValue.clear();
+    m_pCBRefreshOnEmpty.clear();
+    //m_pRBDataDown.clear();
+    //m_pRBRangeDown.clear();
+    //m_pRBNoMove.clear();
+    m_pRBMaxLimit.clear();
+    m_pRBUnlimited.clear();
+    m_pEdRange.clear();
+    m_pEdLimit.clear();
+    m_pBtnOk.clear();
+    m_pVclFrameLimit.clear();
+    //m_pVclFrameMove.clear();
+    ModalDialog::dispose();
+}
+
+IMPL_LINK_NOARG(DataProviderDlg, BrowseHdl, Button*, void)
+{
+    sfx2::FileDialogHelper aFileDialog(0);
+    if ( aFileDialog.Execute() != ERRCODE_NONE )
+        return;
+
+    m_pCbUrl->SetText( aFileDialog.GetPath() );
+    UpdateEnable();
+}
+
+IMPL_LINK_NOARG(DataProviderDlg, UpdateClickHdl, Button*, void)
+{
+    UpdateEnable();
+}
+IMPL_LINK_NOARG(DataProviderDlg, UpdateComboBoxHdl, ComboBox&, void)
+{
+    UpdateEnable();
+}
+IMPL_LINK_NOARG(DataProviderDlg, UpdateHdl, Edit&, void)
+{
+    UpdateEnable();
+}
+
+void DataProviderDlg::UpdateEnable()
+{
+    bool bOk = !m_pCbUrl->GetURL().isEmpty();
+    if (m_pRBAddressValue->IsChecked())
+    {
+        m_pVclFrameLimit->Disable();
+        //m_pVclFrameMove->Disable();
+        m_pEdRange->Disable();
+    }
+    else
+    {
+        m_pVclFrameLimit->Enable();
+        //m_pVclFrameMove->Enable();
+        m_pEdRange->Enable();
+        if (bOk)
+        {
+            // Check the given range to make sure it's valid.
+            ScRange aTest = GetStartRange();
+            if (!aTest.IsValid())
+                bOk = false;
+        }
+    }
+    m_pBtnOk->Enable(bOk);
+    setOptimalLayoutSize();
+}
+
+ScRange DataProviderDlg::GetStartRange()
+{
+    OUString aStr = m_pEdRange->GetText();
+    ScDocument& rDoc = mpDocShell->GetDocument();
+    ScRange aRange;
+    ScRefFlags nRes = aRange.Parse(aStr, &rDoc, rDoc.GetAddressConvention());
+    if ( ((nRes & ScRefFlags::VALID) == ScRefFlags::ZERO) || !aRange.IsValid())
+    {
+        // Invalid range.
+        aRange.SetInvalid();
+        return aRange;
+    }
+
+    // Make sure it's only one row tall.
+    if (aRange.aStart.Row() != aRange.aEnd.Row())
+        aRange.SetInvalid();
+
+    return aRange;
+}
+
+void DataProviderDlg::Init()
+{
+    // TODO : Get the user specified Url and Range
+    (void)this;
+}
+
+void DataProviderDlg::StartImport()
+{
+    ScRange aRange = GetStartRange();
+    if (!aRange.IsValid())
+        // Don't start the stream without a valid range.
+        return;
+
+    OUString aURL;
+    // TODO : replace those strings with something that is obtained from user
+    ExternalDataSource aDataSource(aURL, "org.libreoffice.calc.csv");
+    //aDataSource.setDBData(pDBData);
+    mpDocShell->GetDocument().GetExternalDataMapper().insertDataSource(aDataSource);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/view/cellsh2.cxx b/sc/source/ui/view/cellsh2.cxx
index 6b3fd6245ba0..7866f7693e9f 100644
--- a/sc/source/ui/view/cellsh2.cxx
+++ b/sc/source/ui/view/cellsh2.cxx
@@ -62,6 +62,7 @@
 #include "asciiopt.hxx"
 #include "datastream.hxx"
 #include "datastreamdlg.hxx"
+#include "dataproviderdlg.hxx"
 #include "queryentry.hxx"
 #include "markdata.hxx"
 #include <documentlinkmgr.hxx>
@@ -778,6 +779,20 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                 pStrm->StopImport();
         }
         break;
+        case SID_DATA_PROVIDER:
+        {
+            ScopedVclPtrInstance< sc::DataProviderDlg > aDialog( GetViewData()->GetDocShell(), pTabViewShell->GetDialogParent() );
+            //ScDocument *pDoc = GetViewData()->GetDocument();
+            //sc::DocumentLinkManager& rMgr = pDoc->GetDocLinkManager();
+            //sc::DataStream* pStrm = rMgr.getDataStream();
+            //if (pStrm)
+            aDialog->Init(/**pStrm*/);
+            aDialog->Execute();
+
+            //if (aDialog->Execute() == RET_OK)
+            //aDialog->StartStream();
+        }
+        break;
         case SID_MANAGE_XML_SOURCE:
             ExecuteXMLSourceDialog();
         break;
@@ -1184,6 +1199,8 @@ void ScCellShell::GetDBState( SfxItemSet& rSet )
                     }
                 }
                 break;
+            case SID_DATA_PROVIDER:
+            break;
             case SID_DATA_STREAMS:
             case SID_DATA_STREAMS_PLAY:
             case SID_DATA_STREAMS_STOP:
diff --git a/sc/uiconfig/scalc/menubar/menubar.xml b/sc/uiconfig/scalc/menubar/menubar.xml
index 5ec8e3fc4cbe..e40766848f09 100644
--- a/sc/uiconfig/scalc/menubar/menubar.xml
+++ b/sc/uiconfig/scalc/menubar/menubar.xml
@@ -630,6 +630,7 @@
             <menu:menuseparator/>
             <menu:menuitem menu:id=".uno:DataStreams"/>
             <menu:menuitem menu:id=".uno:ManageXMLSource"/>
+            <menu:menuitem menu:id=".uno:DataProvider"/>
             <menu:menuseparator/>
             <menu:menuitem menu:id=".uno:TableOperationDialog"/>
             <menu:menuitem menu:id=".uno:TextToColumns"/>
diff --git a/sc/uiconfig/scalc/toolbar/dataprovider.xml b/sc/uiconfig/scalc/toolbar/dataprovider.xml
new file mode 100644
index 000000000000..3bf23017beb4
--- /dev/null
+++ b/sc/uiconfig/scalc/toolbar/dataprovider.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE toolbar:toolbar PUBLIC "-//OpenOffice.org//DTD OfficeDocument 1.0//EN" "toolbar.dtd">
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+-->
+<toolbar:toolbar xmlns:toolbar="http://openoffice.org/2001/toolbar" xmlns:xlink="http://www.w3.org/1999/xlink" toolbar:id="toolbar">
+ <toolbar:toolbaritem xlink:href=".uno:DataProviderPlay"/>
+ <toolbar:toolbarseparator/>
+ <toolbar:toolbaritem xlink:href=".uno:DataProviderStop"/>
+</toolbar:toolbar>
diff --git a/sc/uiconfig/scalc/ui/dataprovider.ui b/sc/uiconfig/scalc/ui/dataprovider.ui
new file mode 100644
index 000000000000..d5872e514160
--- /dev/null
+++ b/sc/uiconfig/scalc/ui/dataprovider.ui
@@ -0,0 +1,428 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.3 -->
+<interface domain="sc">
+  <requires lib="gtk+" version="3.0"/>
+  <requires lib="LibreOffice" version="1.0"/>
+  <object class="GtkDialog" id="DataProviderDialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" context="datastreams|DataStreamDialog">Live Data Streams</property>
+    <property name="type_hint">dialog</property>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox1">
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">12</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area1">
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="ok">
+                <property name="label">gtk-ok</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="has_default">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="cancel">
+                <property name="label">gtk-cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="help">
+                <property name="label">gtk-help</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+                <property name="secondary">True</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="dialog-vbox2">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <property name="spacing">6</property>
+            <child>
+              <object class="GtkFrame" id="frame">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label_xalign">0</property>
+                <property name="shadow_type">none</property>
+                <child>
+                  <object class="GtkAlignment" id="alignment2">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="top_padding">6</property>
+                    <property name="left_padding">12</property>
+                    <child>
+                      <object class="GtkBox" id="box4">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="orientation">vertical</property>
+                        <property name="spacing">6</property>
+                        <child>
+                          <object class="GtkBox" id="box12">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="hexpand">True</property>
+                            <property name="spacing">12</property>
+                            <child>
+                              <object class="GtkLabel" id="label6">
+                                <property name="visible">True</property>
+                                <property name="can_focus">False</property>
+                                <property name="label" translatable="yes" context="datastreams|label6">URL:</property>
+                              </object>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">True</property>
+                                <property name="position">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <object class="svtlo-SvtURLBox" id="url">
+                                <property name="visible">True</property>
+                                <property name="can_focus">False</property>
+                                <property name="has_tooltip">True</property>
+                                <property name="tooltip_text" translatable="yes" context="datastreams|url|tooltip_text">Enter the URL of the source document in the local file system or Internet here.</property>
+                                <property name="hexpand">True</property>
+                                <property name="has_entry">True</property>
+                                <property name="max_width_chars">48</property>
+                                <child internal-child="entry">
+                                  <object class="GtkEntry" id="URLBox-entry">
+                                    <property name="can_focus">False</property>
+                                  </object>
+                                </child>
+                              </object>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">True</property>
+                                <property name="position">1</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <object class="GtkButton" id="browse">
+                                <property name="label" translatable="yes" context="datastreams|browse">_Browse...</property>
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="receives_default">True</property>
+                                <property name="use_underline">True</property>
+                              </object>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">True</property>
+                                <property name="position">2</property>
+                              </packing>
+                            </child>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">0</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkBox" id="box13">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
+                            <property name="spacing">6</property>
+                            <child>
+                              <object class="GtkFrame" id="frame4">
+                                <property name="visible">True</property>
+                                <property name="can_focus">False</property>
+                                <property name="label_xalign">0</property>
+                                <property name="shadow_type">none</property>
+                                <child>
+                                  <object class="GtkAlignment" id="alignment5">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="top_padding">6</property>
+                                    <property name="left_padding">12</property>
+                                    <child>
+                                      <object class="GtkGrid" id="grid2">
+                                        <property name="visible">True</property>
+                                        <property name="can_focus">False</property>
+                                        <property name="row_spacing">6</property>
+                                        <property name="column_spacing">6</property>
+                                        <child>
+                                          <object class="GtkRadioButton" id="valuesinline">
+                                            <property name="label" translatable="yes" context="datastreams|valuesinline">value1,value2,...,valueN, and fill into range:</property>
+                                            <property name="visible">True</property>
+                                            <property name="can_focus">True</property>
+                                            <property name="receives_default">False</property>
+                                            <property name="use_underline">True</property>
+                                            <property name="xalign">0</property>
+                                            <property name="active">True</property>
+                                            <property name="draw_indicator">True</property>
+                                            <property name="group">addressvalue</property>
+                                          </object>
+                                          <packing>
+                                            <property name="left_attach">0</property>
+                                            <property name="top_attach">0</property>
+                                          </packing>
+                                        </child>
+                                        <child>
+                                          <object class="GtkRadioButton" id="addressvalue">
+                                            <property name="label" translatable="yes" context="datastreams|addressvalue">address,value</property>
+                                            <property name="visible">True</property>
+                                            <property name="can_focus">True</property>
+                                            <property name="receives_default">False</property>
+                                            <property name="use_underline">True</property>
+                                            <property name="xalign">0</property>
+                                            <property name="draw_indicator">True</property>
+                                            <property name="group">valuesinline</property>
+                                          </object>
+                                          <packing>
+                                            <property name="left_attach">0</property>
+                                            <property name="top_attach">1</property>
+                                          </packing>
+                                        </child>
+                                        <child>
+                                          <object class="GtkEntry" id="range">
+                                            <property name="visible">True</property>
+                                            <property name="can_focus">True</property>
+                                            <property name="hexpand">True</property>
+                                            <property name="invisible_char">●</property>
+                                          </object>
+                                          <packing>
+                                            <property name="left_attach">1</property>
+                                            <property name="top_attach">0</property>
+                                          </packing>
+                                        </child>
+                                        <child>
+                                          <placeholder/>
+                                        </child>
+                                      </object>
+                                    </child>
+                                  </object>
+                                </child>
+                                <child type="label">
+                                  <object class="GtkLabel" id="label4">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="label" translatable="yes" context="datastreams|label4">Interpret stream data as</property>
+                                  </object>
+                                </child>
+                              </object>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">True</property>
+                                <property name="padding">6</property>
+                                <property name="position">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <placeholder/>
+                            </child>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">1</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <object class="GtkCheckButton" id="refresh_ui">
+                            <property name="label" translatable="yes" context="datastreams|refresh_ui">Empty lines trigger UI refresh</property>
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="receives_default">False</property>
+                            <property name="xalign">0</property>
+                            <property name="active">True</property>
+                            <property name="draw_indicator">True</property>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">3</property>
+                          </packing>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+                <child type="label">
+                  <object class="GtkLabel" id="label">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label" translatable="yes" context="datastreams|label">Source Stream</property>
+                    <attributes>
+                      <attribute name="weight" value="bold"/>
+                    </attributes>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="padding">6</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkBox" id="box3">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="hexpand">True</property>
+                <property name="spacing">6</property>
+                <property name="homogeneous">True</property>
+                <child>
+                  <object class="GtkFrame" id="framelimit">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label_xalign">0</property>
+                    <property name="shadow_type">none</property>
+                    <child>
+                      <object class="GtkAlignment" id="alignment3">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="top_padding">6</property>
+                        <property name="left_padding">12</property>
+                        <child>
+                          <object class="GtkGrid" id="grid3">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="vexpand">True</property>
+                            <property name="row_spacing">6</property>
+                            <property name="column_spacing">6</property>
+                            <child>
+                              <object class="GtkRadioButton" id="maxlimit">
+                                <property name="label" translatable="yes" context="datastreams|maxlimit">Limit to:</property>
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="receives_default">False</property>
+                                <property name="use_underline">True</property>
+                                <property name="xalign">0</property>
+                                <property name="active">True</property>
+                                <property name="draw_indicator">True</property>
+                                <property name="group">unlimited</property>
+                              </object>
+                              <packing>
+                                <property name="left_attach">0</property>
+                                <property name="top_attach">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <object class="GtkEntry" id="limit">
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="hexpand">True</property>
+                                <property name="invisible_char">●</property>
+                                <property name="text">1000</property>
+                              </object>
+                              <packing>
+                                <property name="left_attach">1</property>
+                                <property name="top_attach">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <object class="GtkRadioButton" id="unlimited">
+                                <property name="label" translatable="yes" context="datastreams|unlimited">_Unlimited</property>
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="receives_default">False</property>
+                                <property name="valign">start</property>
+                                <property name="use_underline">True</property>
+                                <property name="xalign">0</property>
+                                <property name="draw_indicator">True</property>
+                                <property name="group">maxlimit</property>
+                              </object>
+                              <packing>
+                                <property name="left_attach">0</property>
+                                <property name="top_attach">1</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <placeholder/>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                    <child type="label">
+                      <object class="GtkLabel" id="label3">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label" translatable="yes" context="datastreams|label3">Maximal Amount of Rows</property>
+                        <attributes>
+                          <attribute name="weight" value="bold"/>
+                        </attributes>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="0">ok</action-widget>
+      <action-widget response="0">cancel</action-widget>
+      <action-widget response="0">help</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkAdjustment" id="adjustment1">
+    <property name="lower">1</property>
+    <property name="upper">99999</property>
+    <property name="value">1</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">10</property>
+  </object>
+</interface>