xref: /AOO41X/main/vbahelper/source/msforms/vbalistcontrolhelper.cxx (revision e6ed5fbc51cf474df369618b58e945b84a21a167)
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2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
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6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
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11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 #include <vbalistcontrolhelper.hxx>
23 #include <vector>
24 
25 using namespace com::sun::star;
26 using namespace ooo::vba;
27 
28 const static rtl::OUString ITEMS( RTL_CONSTASCII_USTRINGPARAM("StringItemList") );
29 
30 void SAL_CALL
AddItem(const uno::Any & pvargItem,const uno::Any & pvargIndex)31 ListControlHelper::AddItem( const uno::Any& pvargItem, const uno::Any& pvargIndex ) throw (uno::RuntimeException)
32 {
33     if ( pvargItem.hasValue()  )
34     {
35         uno::Sequence< rtl::OUString > sList;
36         m_xProps->getPropertyValue( ITEMS ) >>= sList;
37 
38         sal_Int32 nIndex = sList.getLength();
39 
40         if ( pvargIndex.hasValue() )
41             pvargIndex >>= nIndex;
42 
43         rtl::OUString sString = getAnyAsString( pvargItem );
44 
45         // if no index specified or item is to be appended to end of
46         // list just realloc the array and set the last item
47         if ( nIndex  == sList.getLength() )
48         {
49             sal_Int32 nOldSize = sList.getLength();
50             sList.realloc( nOldSize + 1 );
51             sList[ nOldSize ] = sString;
52         }
53         else
54         {
55             // just copy those elements above the one to be inserted
56             std::vector< rtl::OUString > sVec;
57             // reserve just the amount we need to copy
58             sVec.reserve( sList.getLength() - nIndex );
59 
60             // point at first element to copy
61             rtl::OUString* pString = sList.getArray() + nIndex;
62             const rtl::OUString* pEndString = sList.getArray() + sList.getLength();
63             // insert the new element
64             sVec.push_back( sString );
65             // copy elements
66             for ( ; pString != pEndString; ++pString )
67                 sVec.push_back( *pString );
68 
69             sList.realloc(  sList.getLength() + 1 );
70 
71             // point at first element to be overwritten
72             pString = sList.getArray() + nIndex;
73             pEndString = sList.getArray() + sList.getLength();
74             std::vector< rtl::OUString >::iterator it = sVec.begin();
75             for ( ; pString != pEndString; ++pString, ++it)
76                 *pString = *it;
77             //
78         }
79 
80         m_xProps->setPropertyValue( ITEMS, uno::makeAny( sList ) );
81 
82     }
83 }
84 
85 void SAL_CALL
removeItem(const uno::Any & index)86 ListControlHelper::removeItem( const uno::Any& index ) throw (uno::RuntimeException)
87 {
88     sal_Int32 nIndex = 0;
89     // for int index
90     if ( index >>= nIndex  )
91     {
92         uno::Sequence< rtl::OUString > sList;
93         m_xProps->getPropertyValue( ITEMS ) >>= sList;
94         if( nIndex < 0 || nIndex > ( sList.getLength() - 1 ) )
95             throw uno::RuntimeException( rtl::OUString::createFromAscii( "Invalid index" ), uno::Reference< uno::XInterface > () );
96         if( sList.hasElements() )
97         {
98             if( sList.getLength() == 1 )
99             {
100                 Clear();
101                 return;
102             }
103             for( sal_Int32 i = nIndex; i < ( sList.getLength()-1 ); i++ )
104             {
105                 sList[i] = sList[i+1];
106             }
107             sList.realloc(  sList.getLength() - 1 );
108         }
109 
110         m_xProps->setPropertyValue( ITEMS, uno::makeAny( sList ) );
111     }
112 }
113 
114 void SAL_CALL
Clear()115 ListControlHelper::Clear(  ) throw (uno::RuntimeException)
116 {
117     // urk, setValue doesn't seem to work !!
118     //setValue( uno::makeAny( sal_Int16() ) );
119     m_xProps->setPropertyValue( ITEMS, uno::makeAny( uno::Sequence< rtl::OUString >() ) );
120 }
121 
122 void SAL_CALL
setRowSource(const rtl::OUString & _rowsource)123 ListControlHelper::setRowSource( const rtl::OUString& _rowsource ) throw (uno::RuntimeException)
124 {
125     if ( _rowsource.getLength() == 0 )
126         Clear();
127 }
128 
129 sal_Int32 SAL_CALL
getListCount()130 ListControlHelper::getListCount() throw (uno::RuntimeException)
131 {
132     uno::Sequence< rtl::OUString > sList;
133     m_xProps->getPropertyValue( ITEMS ) >>= sList;
134     return sList.getLength();
135 }
136 
137 uno::Any SAL_CALL
List(const::uno::Any & pvargIndex,const uno::Any & pvarColumn)138 ListControlHelper::List( const ::uno::Any& pvargIndex, const uno::Any& pvarColumn ) throw (uno::RuntimeException)
139 {
140     uno::Sequence< rtl::OUString > sList;
141     m_xProps->getPropertyValue( ITEMS ) >>= sList;
142     sal_Int16 nLength = static_cast< sal_Int16 >( sList.getLength() );
143     uno::Any aRet;
144     if ( pvargIndex.hasValue() )
145     {
146         sal_Int16 nIndex = -1;
147         pvargIndex >>= nIndex;
148         if( nIndex < 0 || nIndex >= nLength )
149             throw uno::RuntimeException( rtl::OUString::createFromAscii(
150                     "Bad row Index" ), uno::Reference< uno::XInterface >() );
151         aRet <<= sList[ nIndex ];
152     }
153     else if ( pvarColumn.hasValue() ) // pvarColumn on its own would be bad
154             throw uno::RuntimeException( rtl::OUString::createFromAscii(
155                     "Bad column Index" ), uno::Reference< uno::XInterface >() );
156     else // List() ( e.g. no args )
157     {
158         uno::Sequence< uno::Sequence< rtl::OUString > > sReturnArray( nLength );
159         for ( sal_Int32 i = 0; i < nLength; ++i )
160         {
161             sReturnArray[ i ].realloc( 10 );
162             sReturnArray[ i ][ 0 ] = sList[ i ];
163         }
164         aRet = uno::makeAny( sReturnArray );
165     }
166     return aRet;
167 }
168