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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 "dbexchange.hxx"
21 : #include "dbtreelistbox.hxx"
22 : #include "dbtreemodel.hxx"
23 : #include "dbtreeview.hxx"
24 : #include "dbu_brw.hrc"
25 : #include "dbustrings.hrc"
26 : #include "QEnumTypes.hxx"
27 : #include "UITools.hxx"
28 : #include "unodatbr.hxx"
29 :
30 : #include <com/sun/star/frame/XStorable.hpp>
31 : #include <com/sun/star/sdb/CommandType.hpp>
32 : #include <com/sun/star/sdbc/XConnection.hpp>
33 :
34 : #include <connectivity/dbexception.hxx>
35 : #include <connectivity/dbtools.hxx>
36 : #include <cppuhelper/exc_hlp.hxx>
37 : #include <svx/dataaccessdescriptor.hxx>
38 : #include <tools/diagnose_ex.h>
39 : #include <osl/diagnose.h>
40 : #include "svtools/treelistentry.hxx"
41 :
42 : #include <functional>
43 : namespace dbaui
44 : {
45 :
46 : using namespace ::com::sun::star::uno;
47 : using namespace ::com::sun::star::sdb;
48 : using namespace ::com::sun::star::sdbc;
49 : using namespace ::com::sun::star::sdbcx;
50 : using namespace ::com::sun::star::beans;
51 : using namespace ::com::sun::star::util;
52 : using namespace ::com::sun::star::frame;
53 : using namespace ::com::sun::star::container;
54 : using namespace ::com::sun::star::lang;
55 : using namespace ::com::sun::star::form;
56 : using namespace ::com::sun::star::io;
57 : using namespace ::com::sun::star::i18n;
58 : using namespace ::com::sun::star::task;
59 : using namespace ::com::sun::star::datatransfer;
60 : using namespace ::dbtools;
61 : using namespace ::svx;
62 :
63 0 : TransferableHelper* SbaTableQueryBrowser::implCopyObject( SvTreeListEntry* _pApplyTo, sal_Int32 _nCommandType, sal_Bool _bAllowConnection )
64 : {
65 : try
66 : {
67 0 : OUString aName = GetEntryText( _pApplyTo );
68 0 : OUString aDSName = getDataSourceAcessor( m_pTreeView->getListBox().GetRootLevelParent( _pApplyTo ) );
69 :
70 0 : ODataClipboard* pData = NULL;
71 0 : SharedConnection xConnection;
72 0 : if ( CommandType::QUERY != _nCommandType )
73 : {
74 0 : if ( _bAllowConnection && !ensureConnection( _pApplyTo, xConnection) )
75 0 : return NULL;
76 0 : pData = new ODataClipboard(aDSName, _nCommandType, aName, xConnection, getNumberFormatter(), getORB());
77 : }
78 : else
79 0 : pData = new ODataClipboard(aDSName, _nCommandType, aName, getNumberFormatter(), getORB());
80 :
81 : // the owner ship goes to ODataClipboards
82 0 : return pData;
83 : }
84 0 : catch(const SQLException& )
85 : {
86 0 : showError( SQLExceptionInfo( ::cppu::getCaughtException() ) );
87 : }
88 0 : catch( const Exception& )
89 : {
90 : DBG_UNHANDLED_EXCEPTION();
91 : }
92 0 : return NULL;
93 : }
94 0 : sal_Int8 SbaTableQueryBrowser::queryDrop( const AcceptDropEvent& _rEvt, const DataFlavorExVector& _rFlavors )
95 : {
96 : // check if we're a table or query container
97 0 : SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rEvt.maPosPixel );
98 :
99 0 : if ( pHitEntry ) // no drop if no entry was hit ....
100 : {
101 : // it must be a container
102 0 : EntryType eEntryType = getEntryType( pHitEntry );
103 0 : SharedConnection xConnection;
104 0 : if ( eEntryType == etTableContainer && ensureConnection( pHitEntry, xConnection ) && xConnection.is() )
105 : {
106 0 : Reference<XChild> xChild(xConnection,UNO_QUERY);
107 0 : Reference<XStorable> xStore;
108 0 : xStore = Reference<XStorable>( xChild.is() ? getDataSourceOrModel(xChild->getParent()) : Reference<XInterface>(),UNO_QUERY );
109 : // check for the concrete type
110 0 : if ( xStore.is() && !xStore->isReadonly() && ::std::find_if(_rFlavors.begin(),_rFlavors.end(),TAppSupportedSotFunctor(E_TABLE,sal_True)) != _rFlavors.end())
111 0 : return DND_ACTION_COPY;
112 0 : }
113 : }
114 :
115 0 : return DND_ACTION_NONE;
116 : }
117 0 : sal_Int8 SbaTableQueryBrowser::executeDrop( const ExecuteDropEvent& _rEvt )
118 : {
119 0 : SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rEvt.maPosPixel );
120 0 : EntryType eEntryType = getEntryType( pHitEntry );
121 0 : if (!isContainer(eEntryType))
122 : {
123 : OSL_FAIL("SbaTableQueryBrowser::executeDrop: what the hell did queryDrop do?");
124 : // queryDrop shoud not have allowed us to reach this situation ....
125 0 : return DND_ACTION_NONE;
126 : }
127 : // a TransferableDataHelper for accessing the dropped data
128 0 : TransferableDataHelper aDroppedData(_rEvt.maDropEvent.Transferable);
129 :
130 : // reset the data of the previous async drop (if any)
131 0 : if ( m_nAsyncDrop )
132 0 : Application::RemoveUserEvent(m_nAsyncDrop);
133 :
134 0 : m_nAsyncDrop = 0;
135 0 : m_aAsyncDrop.aDroppedData.clear();
136 0 : m_aAsyncDrop.nType = E_TABLE;
137 0 : m_aAsyncDrop.nAction = _rEvt.mnAction;
138 0 : m_aAsyncDrop.bError = sal_False;
139 0 : m_aAsyncDrop.bHtml = sal_False;
140 0 : m_aAsyncDrop.pDroppedAt = NULL;
141 0 : m_aAsyncDrop.aUrl = OUString();
142 :
143 : // loop through the available formats and see what we can do ...
144 : // first we have to check if it is our own format, if not we have to copy the stream :-(
145 0 : if ( ODataAccessObjectTransferable::canExtractObjectDescriptor(aDroppedData.GetDataFlavorExVector()) )
146 : {
147 0 : m_aAsyncDrop.aDroppedData = ODataAccessObjectTransferable::extractObjectDescriptor(aDroppedData);
148 0 : m_aAsyncDrop.pDroppedAt = pHitEntry;
149 :
150 : // asyncron because we some dialogs and we aren't allowed to show them while in D&D
151 0 : m_nAsyncDrop = Application::PostUserEvent(LINK(this, SbaTableQueryBrowser, OnAsyncDrop));
152 0 : return DND_ACTION_COPY;
153 : }
154 : else
155 : {
156 0 : SharedConnection xDestConnection;
157 0 : if ( ensureConnection( pHitEntry, xDestConnection )
158 0 : && xDestConnection.is()
159 0 : && m_aTableCopyHelper.copyTagTable( aDroppedData, m_aAsyncDrop, xDestConnection )
160 : )
161 : {
162 0 : m_aAsyncDrop.pDroppedAt = pHitEntry;
163 :
164 : // asyncron because we some dialogs and we aren't allowed to show them while in D&D
165 0 : m_nAsyncDrop = Application::PostUserEvent(LINK(this, SbaTableQueryBrowser, OnAsyncDrop));
166 0 : return DND_ACTION_COPY;
167 0 : }
168 : }
169 :
170 0 : return DND_ACTION_NONE;
171 : }
172 :
173 0 : sal_Bool SbaTableQueryBrowser::requestDrag( sal_Int8 /*_nAction*/, const Point& _rPosPixel )
174 : {
175 : // get the affected list entry
176 : // ensure that the entry which the user clicked at is selected
177 0 : SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rPosPixel );
178 0 : if (!pHitEntry)
179 : // no drag of no entry was hit ....
180 0 : return sal_False;
181 :
182 : // it must be a query/table
183 0 : EntryType eEntryType = getEntryType( pHitEntry );
184 0 : if (!isObject(eEntryType))
185 0 : return DND_ACTION_NONE;
186 :
187 0 : TransferableHelper* pTransfer = implCopyObject( pHitEntry, ( etTableOrView == eEntryType ) ? CommandType::TABLE : CommandType::QUERY);
188 0 : Reference< XTransferable> xEnsureDelete = pTransfer;
189 :
190 0 : if (pTransfer)
191 0 : pTransfer->StartDrag( &m_pTreeView->getListBox(), DND_ACTION_COPY );
192 :
193 0 : return NULL != pTransfer;
194 : }
195 0 : IMPL_LINK(SbaTableQueryBrowser, OnCopyEntry, void*, /*NOTINTERESIN*/)
196 : {
197 0 : SvTreeListEntry* pSelected = m_pTreeView->getListBox().FirstSelected();
198 0 : if( isEntryCopyAllowed( pSelected ) )
199 0 : copyEntry( pSelected );
200 0 : return 0;
201 : }
202 0 : sal_Bool SbaTableQueryBrowser::isEntryCopyAllowed(SvTreeListEntry* _pEntry) const
203 : {
204 0 : EntryType eType = getEntryType(_pEntry);
205 0 : return ( eType == etTableOrView || eType == etQuery );
206 : }
207 0 : void SbaTableQueryBrowser::copyEntry(SvTreeListEntry* _pEntry)
208 : {
209 0 : TransferableHelper* pTransfer = NULL;
210 0 : Reference< XTransferable> aEnsureDelete;
211 0 : EntryType eType = getEntryType(_pEntry);
212 0 : pTransfer = implCopyObject( _pEntry, eType == etQuery ? CommandType::QUERY : CommandType::TABLE);
213 0 : aEnsureDelete = pTransfer;
214 0 : if (pTransfer)
215 0 : pTransfer->CopyToClipboard(getView());
216 0 : }
217 0 : IMPL_LINK( SbaTableQueryBrowser, OnAsyncDrop, void*, /*NOTINTERESTEDIN*/ )
218 : {
219 0 : m_nAsyncDrop = 0;
220 0 : SolarMutexGuard aSolarGuard;
221 0 : ::osl::MutexGuard aGuard( getMutex() );
222 :
223 0 : if ( m_aAsyncDrop.nType == E_TABLE )
224 : {
225 0 : SharedConnection xDestConnection;
226 0 : if ( ensureConnection( m_aAsyncDrop.pDroppedAt, xDestConnection ) && xDestConnection.is() )
227 : {
228 0 : SvTreeListEntry* pDataSourceEntry = m_pTreeView->getListBox().GetRootLevelParent(m_aAsyncDrop.pDroppedAt);
229 0 : m_aTableCopyHelper.asyncCopyTagTable( m_aAsyncDrop, getDataSourceAcessor( pDataSourceEntry ), xDestConnection );
230 0 : }
231 : }
232 :
233 0 : m_aAsyncDrop.aDroppedData.clear();
234 :
235 0 : return 0L;
236 : }
237 0 : void SbaTableQueryBrowser::clearTreeModel()
238 : {
239 0 : if (m_pTreeModel)
240 : {
241 : // clear the user data of the tree model
242 0 : SvTreeListEntry* pEntryLoop = m_pTreeModel->First();
243 0 : while (pEntryLoop)
244 : {
245 0 : DBTreeListUserData* pData = static_cast<DBTreeListUserData*>(pEntryLoop->GetUserData());
246 0 : if(pData)
247 : {
248 0 : pEntryLoop->SetUserData(NULL);
249 0 : Reference< XContainer > xContainer(pData->xContainer, UNO_QUERY);
250 0 : if (xContainer.is())
251 0 : xContainer->removeContainerListener(this);
252 :
253 0 : if ( pData->xConnection.is() )
254 : {
255 : OSL_ENSURE( impl_isDataSourceEntry( pEntryLoop ), "SbaTableQueryBrowser::clearTreeModel: no data source entry, but a connection?" );
256 : // connections are to be stored *only* at the data source entries
257 0 : impl_releaseConnection( pData->xConnection );
258 : }
259 :
260 0 : delete pData;
261 : }
262 0 : pEntryLoop = m_pTreeModel->Next(pEntryLoop);
263 : }
264 : }
265 0 : m_pCurrentlyDisplayed = NULL;
266 0 : }
267 : } // namespace dbaui
268 :
269 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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