1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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/.
9 * This file incorporates work covered by the following license notice:
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 .
20 #include "ChartDropTargetHelper.hxx"
21 #include <DataSource.hxx>
22 #include <DataSourceHelper.hxx>
23 #include <ChartModel.hxx>
24 #include <Diagram.hxx>
26 #include <com/sun/star/chart2/data/XDataProvider.hpp>
28 #include <sot/formats.hxx>
32 using namespace ::com::sun::star
;
34 using ::com::sun::star::uno::Reference
;
35 using ::com::sun::star::uno::Sequence
;
40 std::vector
< OUString
> lcl_getStringsFromByteSequence(
41 const Sequence
< sal_Int8
> & aByteSequence
)
43 std::vector
< OUString
> aResult
;
44 const sal_Int32 nLength
= aByteSequence
.getLength();
45 const char * pBytes( reinterpret_cast< const char* >( aByteSequence
.getConstArray()));
46 sal_Int32 nStartPos
= 0;
47 for( sal_Int32 nPos
=0; nPos
<nLength
; ++nPos
)
49 if( pBytes
[nPos
] == '\0' )
51 aResult
.emplace_back( pBytes
+ nStartPos
, (nPos
- nStartPos
), RTL_TEXTENCODING_ASCII_US
);
58 } // anonymous namespace
63 ChartDropTargetHelper::ChartDropTargetHelper(
64 const Reference
< datatransfer::dnd::XDropTarget
>& rxDropTarget
,
65 rtl::Reference
<::chart::ChartModel
> xChartDocument
) :
66 DropTargetHelper( rxDropTarget
),
67 m_xChartDocument(std::move( xChartDocument
))
70 ChartDropTargetHelper::~ChartDropTargetHelper()
73 bool ChartDropTargetHelper::satisfiesPrerequisites() const
75 return ( m_xChartDocument
.is() &&
76 ! m_xChartDocument
->hasInternalDataProvider());
79 sal_Int8
ChartDropTargetHelper::AcceptDrop( const AcceptDropEvent
& rEvt
)
81 sal_Int8 nResult
= DND_ACTION_NONE
;
83 if( ( rEvt
.mnAction
== DND_ACTION_COPY
||
84 rEvt
.mnAction
== DND_ACTION_MOVE
) &&
85 satisfiesPrerequisites() &&
86 IsDropFormatSupported( SotClipboardFormatId::LINK
) )
88 // @todo: check if the data is suitable. Is this possible without XTransferable?
89 nResult
= rEvt
.mnAction
;
95 sal_Int8
ChartDropTargetHelper::ExecuteDrop( const ExecuteDropEvent
& rEvt
)
97 sal_Int8 nResult
= DND_ACTION_NONE
;
99 if( ( rEvt
.mnAction
== DND_ACTION_COPY
||
100 rEvt
.mnAction
== DND_ACTION_MOVE
) &&
101 rEvt
.maDropEvent
.Transferable
.is() &&
102 satisfiesPrerequisites())
104 TransferableDataHelper
aDataHelper( rEvt
.maDropEvent
.Transferable
);
105 if( aDataHelper
.HasFormat( SotClipboardFormatId::LINK
))
107 Sequence
<sal_Int8
> aBytes
= aDataHelper
.GetSequence(SotClipboardFormatId::LINK
, OUString());
108 if (aBytes
.hasElements())
110 std::vector
< OUString
> aStrings( lcl_getStringsFromByteSequence( aBytes
));
111 if( aStrings
.size() >= 3 && aStrings
[0] == "soffice" )
113 const OUString
& aRangeString( aStrings
[2] );
114 if( m_xChartDocument
.is())
116 Reference
< frame::XModel
> xParentModel( m_xChartDocument
->getParent(), uno::UNO_QUERY
);
117 if( xParentModel
.is() &&
118 m_xChartDocument
.is())
120 // @todo: get the title somehow and compare it to
121 // aDocName if successful (the document is the
123 rtl::Reference
< Diagram
> xDiagram
= m_xChartDocument
->getFirstChartDiagram();
124 Reference
< chart2::data::XDataProvider
> xDataProvider( m_xChartDocument
->getDataProvider());
125 if( xDataProvider
.is() && xDiagram
.is() &&
126 DataSourceHelper::allArgumentsForRectRangeDetected( m_xChartDocument
))
128 rtl::Reference
< DataSource
> xDataSource1
=
129 DataSourceHelper::pressUsedDataIntoRectangularFormat( m_xChartDocument
);
130 Sequence
< beans::PropertyValue
> aArguments(
131 xDataProvider
->detectArguments( xDataSource1
));
134 beans::PropertyValue
* pCellRange
= nullptr;
135 for( sal_Int32 i
=0; i
<aArguments
.getLength(); ++i
)
137 if ( aArguments
[i
].Name
== "CellRangeRepresentation" )
139 pCellRange
= (aArguments
.getArray() + i
);
140 aArguments
[i
].Value
>>= aOldRange
;
146 // copy means add ranges, move means replace
147 if( rEvt
.mnAction
== DND_ACTION_COPY
)
149 // @todo: using implicit knowledge that ranges can be
150 // merged with ";". This should be done more general
151 pCellRange
->Value
<<= aOldRange
+ ";" + aRangeString
;
153 // move means replace range
156 pCellRange
->Value
<<= aRangeString
;
159 Reference
< chart2::data::XDataSource
> xDataSource2
=
160 xDataProvider
->createDataSource( aArguments
);
161 xDiagram
->setDiagramData( xDataSource2
, aArguments
);
163 // always return copy state to avoid deletion of the dragged range
164 nResult
= DND_ACTION_COPY
;
178 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */