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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 :
21 : #include "dbexchange.hxx"
22 : #include "dbtreelistbox.hxx"
23 : #include "dbtreemodel.hxx"
24 : #include "dbtreeview.hxx"
25 : #include "dbu_brw.hrc"
26 : #include "dbustrings.hrc"
27 : #include "QEnumTypes.hxx"
28 : #include "UITools.hxx"
29 : #include "unodatbr.hxx"
30 :
31 : #include <com/sun/star/frame/XStorable.hpp>
32 : #include <com/sun/star/sdb/CommandType.hpp>
33 : #include <com/sun/star/sdbc/XConnection.hpp>
34 :
35 : #include <connectivity/dbexception.hxx>
36 : #include <connectivity/dbtools.hxx>
37 : #include <cppuhelper/exc_hlp.hxx>
38 : #include <svx/dataaccessdescriptor.hxx>
39 : #include <tools/diagnose_ex.h>
40 : #include <osl/diagnose.h>
41 : #include "svtools/treelistentry.hxx"
42 :
43 : #include <functional>
44 : // .........................................................................
45 : namespace dbaui
46 : {
47 : // .........................................................................
48 :
49 : using namespace ::com::sun::star::uno;
50 : using namespace ::com::sun::star::sdb;
51 : using namespace ::com::sun::star::sdbc;
52 : using namespace ::com::sun::star::sdbcx;
53 : using namespace ::com::sun::star::beans;
54 : using namespace ::com::sun::star::util;
55 : using namespace ::com::sun::star::frame;
56 : using namespace ::com::sun::star::container;
57 : using namespace ::com::sun::star::lang;
58 : using namespace ::com::sun::star::form;
59 : using namespace ::com::sun::star::io;
60 : using namespace ::com::sun::star::i18n;
61 : using namespace ::com::sun::star::task;
62 : using namespace ::com::sun::star::datatransfer;
63 : using namespace ::dbtools;
64 : using namespace ::svx;
65 :
66 : // -----------------------------------------------------------------------------
67 0 : TransferableHelper* SbaTableQueryBrowser::implCopyObject( SvTreeListEntry* _pApplyTo, sal_Int32 _nCommandType, sal_Bool _bAllowConnection )
68 : {
69 : try
70 : {
71 0 : OUString aName = GetEntryText( _pApplyTo );
72 0 : OUString aDSName = getDataSourceAcessor( m_pTreeView->getListBox().GetRootLevelParent( _pApplyTo ) );
73 :
74 0 : ODataClipboard* pData = NULL;
75 0 : SharedConnection xConnection;
76 0 : if ( CommandType::QUERY != _nCommandType )
77 : {
78 0 : if ( _bAllowConnection && !ensureConnection( _pApplyTo, xConnection) )
79 0 : return NULL;
80 0 : pData = new ODataClipboard(aDSName, _nCommandType, aName, xConnection, getNumberFormatter(), getORB());
81 : }
82 : else
83 0 : pData = new ODataClipboard(aDSName, _nCommandType, aName, getNumberFormatter(), getORB());
84 :
85 : // the owner ship goes to ODataClipboards
86 0 : return pData;
87 : }
88 0 : catch(const SQLException& )
89 : {
90 0 : showError( SQLExceptionInfo( ::cppu::getCaughtException() ) );
91 : }
92 0 : catch( const Exception& )
93 : {
94 : DBG_UNHANDLED_EXCEPTION();
95 : }
96 0 : return NULL;
97 : }
98 : // -----------------------------------------------------------------------------
99 0 : sal_Int8 SbaTableQueryBrowser::queryDrop( const AcceptDropEvent& _rEvt, const DataFlavorExVector& _rFlavors )
100 : {
101 : // check if we're a table or query container
102 0 : SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rEvt.maPosPixel );
103 :
104 0 : if ( pHitEntry ) // no drop if no entry was hit ....
105 : {
106 : // it must be a container
107 0 : EntryType eEntryType = getEntryType( pHitEntry );
108 0 : SharedConnection xConnection;
109 0 : if ( eEntryType == etTableContainer && ensureConnection( pHitEntry, xConnection ) && xConnection.is() )
110 : {
111 0 : Reference<XChild> xChild(xConnection,UNO_QUERY);
112 0 : Reference<XStorable> xStore;
113 0 : xStore = Reference<XStorable>( xChild.is() ? getDataSourceOrModel(xChild->getParent()) : Reference<XInterface>(),UNO_QUERY );
114 : // check for the concrete type
115 0 : if ( xStore.is() && !xStore->isReadonly() && ::std::find_if(_rFlavors.begin(),_rFlavors.end(),TAppSupportedSotFunctor(E_TABLE,sal_True)) != _rFlavors.end())
116 0 : return DND_ACTION_COPY;
117 0 : }
118 : }
119 :
120 0 : return DND_ACTION_NONE;
121 : }
122 : // -----------------------------------------------------------------------------
123 0 : sal_Int8 SbaTableQueryBrowser::executeDrop( const ExecuteDropEvent& _rEvt )
124 : {
125 0 : SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rEvt.maPosPixel );
126 0 : EntryType eEntryType = getEntryType( pHitEntry );
127 0 : if (!isContainer(eEntryType))
128 : {
129 : OSL_FAIL("SbaTableQueryBrowser::executeDrop: what the hell did queryDrop do?");
130 : // queryDrop shoud not have allowed us to reach this situation ....
131 0 : return DND_ACTION_NONE;
132 : }
133 : // a TransferableDataHelper for accessing the dropped data
134 0 : TransferableDataHelper aDroppedData(_rEvt.maDropEvent.Transferable);
135 :
136 :
137 : // reset the data of the previous async drop (if any)
138 0 : if ( m_nAsyncDrop )
139 0 : Application::RemoveUserEvent(m_nAsyncDrop);
140 :
141 :
142 0 : m_nAsyncDrop = 0;
143 0 : m_aAsyncDrop.aDroppedData.clear();
144 0 : m_aAsyncDrop.nType = E_TABLE;
145 0 : m_aAsyncDrop.nAction = _rEvt.mnAction;
146 0 : m_aAsyncDrop.bError = sal_False;
147 0 : m_aAsyncDrop.bHtml = sal_False;
148 0 : m_aAsyncDrop.pDroppedAt = NULL;
149 0 : m_aAsyncDrop.aUrl = OUString();
150 :
151 :
152 : // loop through the available formats and see what we can do ...
153 : // first we have to check if it is our own format, if not we have to copy the stream :-(
154 0 : if ( ODataAccessObjectTransferable::canExtractObjectDescriptor(aDroppedData.GetDataFlavorExVector()) )
155 : {
156 0 : m_aAsyncDrop.aDroppedData = ODataAccessObjectTransferable::extractObjectDescriptor(aDroppedData);
157 0 : m_aAsyncDrop.pDroppedAt = pHitEntry;
158 :
159 : // asyncron because we some dialogs and we aren't allowed to show them while in D&D
160 0 : m_nAsyncDrop = Application::PostUserEvent(LINK(this, SbaTableQueryBrowser, OnAsyncDrop));
161 0 : return DND_ACTION_COPY;
162 : }
163 : else
164 : {
165 0 : SharedConnection xDestConnection;
166 0 : if ( ensureConnection( pHitEntry, xDestConnection )
167 0 : && xDestConnection.is()
168 0 : && m_aTableCopyHelper.copyTagTable( aDroppedData, m_aAsyncDrop, xDestConnection )
169 : )
170 : {
171 0 : m_aAsyncDrop.pDroppedAt = pHitEntry;
172 :
173 : // asyncron because we some dialogs and we aren't allowed to show them while in D&D
174 0 : m_nAsyncDrop = Application::PostUserEvent(LINK(this, SbaTableQueryBrowser, OnAsyncDrop));
175 0 : return DND_ACTION_COPY;
176 0 : }
177 : }
178 :
179 0 : return DND_ACTION_NONE;
180 : }
181 :
182 : // -----------------------------------------------------------------------------
183 0 : sal_Bool SbaTableQueryBrowser::requestDrag( sal_Int8 /*_nAction*/, const Point& _rPosPixel )
184 : {
185 : // get the affected list entry
186 : // ensure that the entry which the user clicked at is selected
187 0 : SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rPosPixel );
188 0 : if (!pHitEntry)
189 : // no drag of no entry was hit ....
190 0 : return sal_False;
191 :
192 : // it must be a query/table
193 0 : EntryType eEntryType = getEntryType( pHitEntry );
194 0 : if (!isObject(eEntryType))
195 0 : return DND_ACTION_NONE;
196 :
197 0 : TransferableHelper* pTransfer = implCopyObject( pHitEntry, ( etTableOrView == eEntryType ) ? CommandType::TABLE : CommandType::QUERY);
198 0 : Reference< XTransferable> xEnsureDelete = pTransfer;
199 :
200 0 : if (pTransfer)
201 0 : pTransfer->StartDrag( &m_pTreeView->getListBox(), DND_ACTION_COPY );
202 :
203 0 : return NULL != pTransfer;
204 : }
205 : // -----------------------------------------------------------------------------
206 0 : IMPL_LINK(SbaTableQueryBrowser, OnCopyEntry, void*, /*NOTINTERESIN*/)
207 : {
208 0 : SvTreeListEntry* pSelected = m_pTreeView->getListBox().FirstSelected();
209 0 : if( isEntryCopyAllowed( pSelected ) )
210 0 : copyEntry( pSelected );
211 0 : return 0;
212 : }
213 : // -----------------------------------------------------------------------------
214 0 : sal_Bool SbaTableQueryBrowser::isEntryCopyAllowed(SvTreeListEntry* _pEntry) const
215 : {
216 0 : EntryType eType = getEntryType(_pEntry);
217 0 : return ( eType == etTableOrView || eType == etQuery );
218 : }
219 : // -----------------------------------------------------------------------------
220 0 : void SbaTableQueryBrowser::copyEntry(SvTreeListEntry* _pEntry)
221 : {
222 0 : TransferableHelper* pTransfer = NULL;
223 0 : Reference< XTransferable> aEnsureDelete;
224 0 : EntryType eType = getEntryType(_pEntry);
225 0 : pTransfer = implCopyObject( _pEntry, eType == etQuery ? CommandType::QUERY : CommandType::TABLE);
226 0 : aEnsureDelete = pTransfer;
227 0 : if (pTransfer)
228 0 : pTransfer->CopyToClipboard(getView());
229 0 : }
230 : // -----------------------------------------------------------------------------
231 0 : IMPL_LINK( SbaTableQueryBrowser, OnAsyncDrop, void*, /*NOTINTERESTEDIN*/ )
232 : {
233 0 : m_nAsyncDrop = 0;
234 0 : SolarMutexGuard aSolarGuard;
235 0 : ::osl::MutexGuard aGuard( getMutex() );
236 :
237 0 : if ( m_aAsyncDrop.nType == E_TABLE )
238 : {
239 0 : SharedConnection xDestConnection;
240 0 : if ( ensureConnection( m_aAsyncDrop.pDroppedAt, xDestConnection ) && xDestConnection.is() )
241 : {
242 0 : SvTreeListEntry* pDataSourceEntry = m_pTreeView->getListBox().GetRootLevelParent(m_aAsyncDrop.pDroppedAt);
243 0 : m_aTableCopyHelper.asyncCopyTagTable( m_aAsyncDrop, getDataSourceAcessor( pDataSourceEntry ), xDestConnection );
244 0 : }
245 : }
246 :
247 0 : m_aAsyncDrop.aDroppedData.clear();
248 :
249 0 : return 0L;
250 : }
251 : // -----------------------------------------------------------------------------
252 1 : void SbaTableQueryBrowser::clearTreeModel()
253 : {
254 1 : if (m_pTreeModel)
255 : {
256 : // clear the user data of the tree model
257 1 : SvTreeListEntry* pEntryLoop = m_pTreeModel->First();
258 6 : while (pEntryLoop)
259 : {
260 4 : DBTreeListUserData* pData = static_cast<DBTreeListUserData*>(pEntryLoop->GetUserData());
261 4 : if(pData)
262 : {
263 4 : pEntryLoop->SetUserData(NULL);
264 4 : Reference< XContainer > xContainer(pData->xContainer, UNO_QUERY);
265 4 : if (xContainer.is())
266 1 : xContainer->removeContainerListener(this);
267 :
268 4 : if ( pData->xConnection.is() )
269 : {
270 : OSL_ENSURE( impl_isDataSourceEntry( pEntryLoop ), "SbaTableQueryBrowser::clearTreeModel: no data source entry, but a connection?" );
271 : // connections are to be stored *only* at the data source entries
272 1 : impl_releaseConnection( pData->xConnection );
273 : }
274 :
275 4 : delete pData;
276 : }
277 4 : pEntryLoop = m_pTreeModel->Next(pEntryLoop);
278 : }
279 : }
280 1 : m_pCurrentlyDisplayed = NULL;
281 1 : }
282 : // .........................................................................
283 12 : } // namespace dbaui
284 : // .........................................................................
285 :
286 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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