1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  *   Licensed to the Apache Software Foundation (ASF) under one or more
12  *   contributor license agreements. See the NOTICE file distributed
13  *   with this work for additional information regarding copyright
14  *   ownership. The ASF licenses this file to you under the Apache
15  *   License, Version 2.0 (the "License"); you may not use this file
16  *   except in compliance with the License. You may obtain a copy of
17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #include <TableWindowListBox.hxx>
21 #include <TableWindow.hxx>
22 #include <JoinController.hxx>
23 #include <JoinExchange.hxx>
24 #include <JoinTableView.hxx>
25 #include <JoinDesignView.hxx>
26 #include <osl/diagnose.h>
27 #include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
28 #include <com/sun/star/sdbc/SQLException.hpp>
29 #include <vcl/svapp.hxx>
30 #include <vcl/commandevent.hxx>
31 
32 using namespace dbaui;
33 using namespace ::com::sun::star::sdbc;
34 using namespace ::com::sun::star::uno;
35 using namespace ::com::sun::star::datatransfer;
36 
OJoinExchangeData(OTableWindowListBox * pBox)37 OJoinExchangeData::OJoinExchangeData(OTableWindowListBox* pBox)
38     : pListBox(pBox)
39     , nEntry(pBox->get_widget().get_selected_index())
40 {
41 }
42 
OTableWindowListBox(OTableWindow * pParent)43 OTableWindowListBox::OTableWindowListBox(OTableWindow* pParent)
44     : InterimItemWindow(pParent, "dbaccess/ui/tablelistbox.ui", "TableListBox")
45     , m_xTreeView(m_xBuilder->weld_tree_view("treeview"))
46     , m_xDragDropTargetHelper(new TableWindowListBoxHelper(*this, m_xTreeView->get_drop_target()))
47     , m_pTabWin(pParent)
48     , m_nDropEvent(nullptr)
49     , m_nUiEvent(nullptr)
50 {
51     m_xTreeView->connect_row_activated(LINK(this, OTableWindowListBox, OnDoubleClick));
52     m_xTreeView->connect_visible_range_changed(LINK(this, OTableWindowListBox, ScrollHdl));
53     m_xTreeView->connect_popup_menu(LINK(this, OTableWindowListBox, CommandHdl));
54 
55     m_xHelper.set(new OJoinExchObj);
56     rtl::Reference<TransferDataContainer> xHelper(m_xHelper);
57     m_xTreeView->enable_drag_source(xHelper, DND_ACTION_LINK);
58     m_xTreeView->connect_drag_begin(LINK(this, OTableWindowListBox, DragBeginHdl));
59 }
60 
IMPL_LINK(OTableWindowListBox,CommandHdl,const CommandEvent &,rCEvt,bool)61 IMPL_LINK(OTableWindowListBox, CommandHdl, const CommandEvent&, rCEvt, bool)
62 {
63     if (rCEvt.GetCommand() != CommandEventId::ContextMenu)
64         return false;
65     m_pTabWin->Command(rCEvt);
66     return true;
67 }
68 
dragFinished()69 void OTableWindowListBox::dragFinished()
70 {
71     // first show the error msg when existing
72     m_pTabWin->getDesignView()->getController().showError(
73         m_pTabWin->getDesignView()->getController().clearOccurredError());
74     // second look for ui activities which should happen after d&d
75     if (m_nUiEvent)
76         Application::RemoveUserEvent(m_nUiEvent);
77     m_nUiEvent
78         = Application::PostUserEvent(LINK(this, OTableWindowListBox, LookForUiHdl), nullptr, true);
79 }
80 
~OTableWindowListBox()81 OTableWindowListBox::~OTableWindowListBox() { disposeOnce(); }
82 
dispose()83 void OTableWindowListBox::dispose()
84 {
85     if (m_nDropEvent)
86         Application::RemoveUserEvent(m_nDropEvent);
87     if (m_nUiEvent)
88         Application::RemoveUserEvent(m_nUiEvent);
89     m_pTabWin.clear();
90     m_xDragDropTargetHelper.reset();
91     m_xTreeView.reset();
92     InterimItemWindow::dispose();
93 }
94 
GetEntryFromText(const OUString & rEntryText)95 int OTableWindowListBox::GetEntryFromText(const OUString& rEntryText)
96 {
97     // iterate through the list
98     OJoinDesignView* pView = m_pTabWin->getDesignView();
99     OJoinController& rController = pView->getController();
100 
101     try
102     {
103         bool bCase = false;
104         const Reference<XConnection>& xConnection = rController.getConnection();
105         if (xConnection.is())
106         {
107             Reference<XDatabaseMetaData> xMeta = xConnection->getMetaData();
108             if (xMeta.is())
109                 bCase = xMeta->supportsMixedCaseQuotedIdentifiers();
110         }
111         for (int nEntry = 0, nCount = m_xTreeView->n_children(); nEntry < nCount; ++nEntry)
112         {
113             if (bCase ? rEntryText == m_xTreeView->get_text(nEntry)
114                       : rEntryText.equalsIgnoreAsciiCase(m_xTreeView->get_text(nEntry)))
115                 return nEntry;
116         }
117     }
118     catch (SQLException&)
119     {
120     }
121 
122     return -1;
123 }
124 
IMPL_LINK_NOARG(OTableWindowListBox,ScrollHdl,weld::TreeView &,void)125 IMPL_LINK_NOARG(OTableWindowListBox, ScrollHdl, weld::TreeView&, void)
126 {
127     // connections of this table, if any,  should be redrawn
128     m_pTabWin->getTableView()->Invalidate(InvalidateFlags::NoChildren);
129 }
130 
IMPL_LINK(OTableWindowListBox,DragBeginHdl,bool &,rUnsetDragIcon,bool)131 IMPL_LINK(OTableWindowListBox, DragBeginHdl, bool&, rUnsetDragIcon, bool)
132 {
133     rUnsetDragIcon = false;
134     if (m_xTreeView->get_selected_index() == -1)
135     {
136         // no drag without a field
137         return true;
138     }
139 
140     OJoinTableView* pCont = m_pTabWin->getTableView();
141     if (!pCont->getDesignView()->getController().isReadOnly()
142         && pCont->getDesignView()->getController().isConnected())
143     {
144         // asterisk was not allowed to be copied to selection browsebox
145         bool bFirstNotAllowed = m_xTreeView->is_selected(0) && m_pTabWin->GetData()->IsShowAll();
146         // create a description of the source
147         OJoinExchangeData jxdSource(this);
148         // update the exchange object
149         m_xHelper->setDescriptors(jxdSource, bFirstNotAllowed);
150 
151         return false;
152     }
153 
154     return true;
155 }
156 
AcceptDrop(const AcceptDropEvent & _rEvt)157 sal_Int8 OTableWindowListBox::AcceptDrop(const AcceptDropEvent& _rEvt)
158 {
159     // to enable the autoscroll when we're close to the edges
160     std::unique_ptr<weld::TreeIter> xEntry(m_xTreeView->make_iterator());
161     bool bHasDestRow = m_xTreeView->get_dest_row_at_pos(_rEvt.maPosPixel, xEntry.get(), true);
162 
163     sal_Int8 nDND_Action = DND_ACTION_NONE;
164     // check the format
165     if (!OJoinExchObj::isFormatAvailable(
166             m_xDragDropTargetHelper->GetDataFlavorExVector(),
167             SotClipboardFormatId::SBA_TABID) // this means that the first entry is to be dragged
168         && OJoinExchObj::isFormatAvailable(m_xDragDropTargetHelper->GetDataFlavorExVector()))
169     { // don't drop into the window if it's the drag source itself
170 
171         // remove the selection if the dragging operation is leaving the window
172         if (_rEvt.mbLeaving)
173             m_xTreeView->unselect_all();
174         else
175         {
176             if (!bHasDestRow)
177                 return DND_ACTION_NONE;
178 
179             // automatically select right entry when dragging
180             m_xTreeView->unselect_all();
181             m_xTreeView->select(*xEntry);
182 
183             // one cannot drop on the first (*) entry
184             if (!(m_pTabWin->GetData()->IsShowAll()
185                   && (m_xTreeView->get_iter_index_in_parent(*xEntry) == 0)))
186                 nDND_Action = DND_ACTION_LINK;
187         }
188     }
189     return nDND_Action;
190 }
191 
IMPL_LINK_NOARG(OTableWindowListBox,LookForUiHdl,void *,void)192 IMPL_LINK_NOARG(OTableWindowListBox, LookForUiHdl, void*, void)
193 {
194     m_nUiEvent = nullptr;
195     m_pTabWin->getTableView()->lookForUiActivities();
196 }
197 
IMPL_LINK_NOARG(OTableWindowListBox,DropHdl,void *,void)198 IMPL_LINK_NOARG(OTableWindowListBox, DropHdl, void*, void)
199 {
200     // create the connection
201     m_nDropEvent = nullptr;
202     OSL_ENSURE(m_pTabWin, "No TableWindow!");
203     try
204     {
205         OJoinTableView* pCont = m_pTabWin->getTableView();
206         OSL_ENSURE(pCont, "No QueryTableView!");
207         pCont->AddConnection(m_aDropInfo.aSource, m_aDropInfo.aDest);
208     }
209     catch (const SQLException& e)
210     {
211         // remember the exception so that we can show them later when d&d is finished
212         m_pTabWin->getDesignView()->getController().setErrorOccurred(
213             ::dbtools::SQLExceptionInfo(e));
214     }
215 }
216 
ExecuteDrop(const ExecuteDropEvent & _rEvt)217 sal_Int8 OTableWindowListBox::ExecuteDrop(const ExecuteDropEvent& _rEvt)
218 {
219     TransferableDataHelper aDropped(_rEvt.maDropEvent.Transferable);
220     if (OJoinExchObj::isFormatAvailable(aDropped.GetDataFlavorExVector()))
221     { // don't drop into the window if it's the drag source itself
222         m_aDropInfo.aSource = OJoinExchangeData(this);
223         m_aDropInfo.aDest = OJoinExchObj::GetSourceDescription(_rEvt.maDropEvent.Transferable);
224 
225         if (m_nDropEvent)
226             Application::RemoveUserEvent(m_nDropEvent);
227         m_nDropEvent
228             = Application::PostUserEvent(LINK(this, OTableWindowListBox, DropHdl), nullptr, true);
229 
230         dragFinished();
231 
232         return DND_ACTION_NONE;
233     }
234     return DND_ACTION_NONE;
235 }
236 
LoseFocus()237 void OTableWindowListBox::LoseFocus()
238 {
239     if (m_pTabWin)
240         m_pTabWin->setActive(false);
241     InterimItemWindow::LoseFocus();
242 }
243 
GetFocus()244 void OTableWindowListBox::GetFocus()
245 {
246     if (m_pTabWin)
247         m_pTabWin->setActive();
248 
249     if (m_xTreeView)
250     {
251         std::unique_ptr<weld::TreeIter> xCurrent = m_xTreeView->make_iterator();
252         if (m_xTreeView->get_cursor(xCurrent.get()))
253         {
254             m_xTreeView->unselect_all();
255             m_xTreeView->select(*xCurrent);
256         }
257     }
258 
259     InterimItemWindow::GetFocus();
260 }
261 
IMPL_LINK_NOARG(OTableWindowListBox,OnDoubleClick,weld::TreeView &,bool)262 IMPL_LINK_NOARG(OTableWindowListBox, OnDoubleClick, weld::TreeView&, bool)
263 {
264     // tell my parent
265     vcl::Window* pParent = Window::GetParent();
266     OSL_ENSURE(pParent != nullptr, "OTableWindowListBox::OnDoubleClick : have no Parent !");
267 
268     std::unique_ptr<weld::TreeIter> xCurrent = m_xTreeView->make_iterator();
269     if (!m_xTreeView->get_cursor(xCurrent.get()))
270         return false;
271 
272     static_cast<OTableWindow*>(pParent)->OnEntryDoubleClicked(*xCurrent);
273 
274     return false;
275 }
276 
Command(const CommandEvent & rEvt)277 void OTableWindowListBox::Command(const CommandEvent& rEvt)
278 {
279     switch (rEvt.GetCommand())
280     {
281         case CommandEventId::ContextMenu:
282         {
283             static_cast<OTableWindow*>(Window::GetParent())->Command(rEvt);
284             break;
285         }
286         default:
287             InterimItemWindow::Command(rEvt);
288     }
289 }
290 
291 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
292