blob: fc6762598a689558afc7aa2c20ca0b35277c5d47 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "ChartDropTargetHelper.hxx"
#include <DataSource.hxx>
#include <DataSourceHelper.hxx>
#include <ChartModel.hxx>
#include <Diagram.hxx>
#include <com/sun/star/chart2/data/XDataProvider.hpp>
#include <sot/formats.hxx>
#include <utility>
#include <vector>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
namespace
{
std::vector< OUString > lcl_getStringsFromByteSequence(
const Sequence< sal_Int8 > & aByteSequence )
{
std::vector< OUString > aResult;
const sal_Int32 nLength = aByteSequence.getLength();
const char * pBytes( reinterpret_cast< const char* >( aByteSequence.getConstArray()));
sal_Int32 nStartPos = 0;
for( sal_Int32 nPos=0; nPos<nLength; ++nPos )
{
if( pBytes[nPos] == '\0' )
{
aResult.emplace_back( pBytes + nStartPos, (nPos - nStartPos), RTL_TEXTENCODING_ASCII_US );
nStartPos = nPos + 1;
}
}
return aResult;
}
} // anonymous namespace
namespace chart
{
ChartDropTargetHelper::ChartDropTargetHelper(
const Reference< datatransfer::dnd::XDropTarget >& rxDropTarget,
rtl::Reference<::chart::ChartModel> xChartDocument ) :
DropTargetHelper( rxDropTarget ),
m_xChartDocument(std::move( xChartDocument ))
{}
ChartDropTargetHelper::~ChartDropTargetHelper()
{}
bool ChartDropTargetHelper::satisfiesPrerequisites() const
{
return ( m_xChartDocument.is() &&
! m_xChartDocument->hasInternalDataProvider());
}
sal_Int8 ChartDropTargetHelper::AcceptDrop( const AcceptDropEvent& rEvt )
{
sal_Int8 nResult = DND_ACTION_NONE;
if( ( rEvt.mnAction == DND_ACTION_COPY ||
rEvt.mnAction == DND_ACTION_MOVE ) &&
satisfiesPrerequisites() &&
IsDropFormatSupported( SotClipboardFormatId::LINK ) )
{
// @todo: check if the data is suitable. Is this possible without XTransferable?
nResult = rEvt.mnAction;
}
return nResult;
}
sal_Int8 ChartDropTargetHelper::ExecuteDrop( const ExecuteDropEvent& rEvt )
{
sal_Int8 nResult = DND_ACTION_NONE;
if( ( rEvt.mnAction == DND_ACTION_COPY ||
rEvt.mnAction == DND_ACTION_MOVE ) &&
rEvt.maDropEvent.Transferable.is() &&
satisfiesPrerequisites())
{
TransferableDataHelper aDataHelper( rEvt.maDropEvent.Transferable );
if( aDataHelper.HasFormat( SotClipboardFormatId::LINK ))
{
Sequence<sal_Int8> aBytes = aDataHelper.GetSequence(SotClipboardFormatId::LINK, OUString());
if (aBytes.hasElements())
{
std::vector< OUString > aStrings( lcl_getStringsFromByteSequence( aBytes ));
if( aStrings.size() >= 3 && aStrings[0] == "soffice" )
{
OUString aRangeString( aStrings[2] );
if( m_xChartDocument.is())
{
Reference< frame::XModel > xParentModel( m_xChartDocument->getParent(), uno::UNO_QUERY );
if( xParentModel.is() &&
m_xChartDocument.is())
{
// @todo: get the title somehow and compare it to
// aDocName if successful (the document is the
// parent)
rtl::Reference< Diagram > xDiagram = m_xChartDocument->getFirstChartDiagram();
Reference< chart2::data::XDataProvider > xDataProvider( m_xChartDocument->getDataProvider());
if( xDataProvider.is() && xDiagram.is() &&
DataSourceHelper::allArgumentsForRectRangeDetected( m_xChartDocument ))
{
rtl::Reference< DataSource > xDataSource1 =
DataSourceHelper::pressUsedDataIntoRectangularFormat( m_xChartDocument );
Sequence< beans::PropertyValue > aArguments(
xDataProvider->detectArguments( xDataSource1 ));
OUString aOldRange;
beans::PropertyValue * pCellRange = nullptr;
for( sal_Int32 i=0; i<aArguments.getLength(); ++i )
{
if ( aArguments[i].Name == "CellRangeRepresentation" )
{
pCellRange = (aArguments.getArray() + i);
aArguments[i].Value >>= aOldRange;
break;
}
}
if( pCellRange )
{
// copy means add ranges, move means replace
if( rEvt.mnAction == DND_ACTION_COPY )
{
// @todo: using implicit knowledge that ranges can be
// merged with ";". This should be done more general
pCellRange->Value <<= aOldRange + ";" + aRangeString;
}
// move means replace range
else
{
pCellRange->Value <<= aRangeString;
}
Reference< chart2::data::XDataSource > xDataSource2 =
xDataProvider->createDataSource( aArguments );
xDiagram->setDiagramData( xDataSource2, aArguments );
// always return copy state to avoid deletion of the dragged range
nResult = DND_ACTION_COPY;
}
}
}
}
}
}
}
}
return nResult;
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
