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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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8 * "License"); you may not use this file except in compliance
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing,
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15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
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18 * under the License.
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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_chart2.hxx"
26
27 #include "ConfigColorScheme.hxx"
28 #include "ContainerHelper.hxx"
29 #include "macros.hxx"
30
31 #include <unotools/configitem.hxx>
32
33 #include <set>
34
35 using namespace ::com::sun::star;
36
37 using ::com::sun::star::uno::Reference;
38 using ::com::sun::star::uno::Sequence;
39 using ::rtl::OUString;
40
41 namespace
42 {
43
44 static const OUString aSeriesPropName( RTL_CONSTASCII_USTRINGPARAM("Series"));
45
46 } // anonymous namespace
47
48 // --------------------------------------------------------------------------------
49
50 namespace chart
51 {
52
createConfigColorScheme(const uno::Reference<uno::XComponentContext> & xContext)53 uno::Reference< chart2::XColorScheme > createConfigColorScheme( const uno::Reference< uno::XComponentContext > & xContext )
54 {
55 return new ConfigColorScheme( xContext );
56 }
57
58 namespace impl
59 {
60 class ChartConfigItem : public ::utl::ConfigItem
61 {
62 public:
63 explicit ChartConfigItem( ConfigItemListener & rListener );
64 virtual ~ChartConfigItem();
65
66 void addPropertyNotification( const OUString & rPropertyName );
67
68 uno::Any getProperty( const OUString & aPropertyName );
69
70 protected:
71 // ____ ::utl::ConfigItem ____
72 virtual void Commit();
73 virtual void Notify( const Sequence< OUString > & aPropertyNames );
74
75 private:
76 ConfigItemListener & m_rListener;
77 ::std::set< OUString > m_aPropertiesToNotify;
78 };
79
ChartConfigItem(ConfigItemListener & rListener)80 ChartConfigItem::ChartConfigItem( ConfigItemListener & rListener ) :
81 ::utl::ConfigItem( C2U("Office.Chart/DefaultColor")),
82 m_rListener( rListener )
83 {}
84
~ChartConfigItem()85 ChartConfigItem::~ChartConfigItem()
86 {}
87
Notify(const Sequence<OUString> & aPropertyNames)88 void ChartConfigItem::Notify( const Sequence< OUString > & aPropertyNames )
89 {
90 for( sal_Int32 nIdx=0; nIdx<aPropertyNames.getLength(); ++nIdx )
91 {
92 if( m_aPropertiesToNotify.find( aPropertyNames[nIdx] ) != m_aPropertiesToNotify.end())
93 m_rListener.notify( aPropertyNames[nIdx] );
94 }
95 }
96
Commit()97 void ChartConfigItem::Commit()
98 {}
99
addPropertyNotification(const OUString & rPropertyName)100 void ChartConfigItem::addPropertyNotification( const OUString & rPropertyName )
101 {
102 m_aPropertiesToNotify.insert( rPropertyName );
103 EnableNotification( ContainerHelper::ContainerToSequence( m_aPropertiesToNotify ));
104 }
105
getProperty(const OUString & aPropertyName)106 uno::Any ChartConfigItem::getProperty( const OUString & aPropertyName )
107 {
108 Sequence< uno::Any > aValues(
109 GetProperties( Sequence< OUString >( &aPropertyName, 1 )));
110 if( ! aValues.getLength())
111 return uno::Any();
112 return aValues[0];
113 }
114
115 } // namespace impl
116
117 // --------------------------------------------------------------------------------
118
119 // explicit
ConfigColorScheme(const Reference<uno::XComponentContext> & xContext)120 ConfigColorScheme::ConfigColorScheme(
121 const Reference< uno::XComponentContext > & xContext ) :
122 m_xContext( xContext ),
123 m_nNumberOfColors( 0 ),
124 m_bNeedsUpdate( true )
125 {
126 }
127
~ConfigColorScheme()128 ConfigColorScheme::~ConfigColorScheme()
129 {}
130
retrieveConfigColors()131 void ConfigColorScheme::retrieveConfigColors()
132 {
133 if( ! m_xContext.is())
134 return;
135
136 // create config item if necessary
137 if( ! m_apChartConfigItem.get())
138 {
139 m_apChartConfigItem.reset(
140 new impl::ChartConfigItem( *this ));
141 m_apChartConfigItem->addPropertyNotification( aSeriesPropName );
142 }
143 OSL_ASSERT( m_apChartConfigItem.get());
144 if( ! m_apChartConfigItem.get())
145 return;
146
147 // retrieve colors
148 uno::Any aValue(
149 m_apChartConfigItem->getProperty( aSeriesPropName ));
150 if( aValue >>= m_aColorSequence )
151 m_nNumberOfColors = m_aColorSequence.getLength();
152 m_bNeedsUpdate = false;
153 }
154
155 // ____ XColorScheme ____
getColorByIndex(::sal_Int32 nIndex)156 ::sal_Int32 SAL_CALL ConfigColorScheme::getColorByIndex( ::sal_Int32 nIndex )
157 throw (uno::RuntimeException)
158 {
159 if( m_bNeedsUpdate )
160 retrieveConfigColors();
161
162 if( m_nNumberOfColors > 0 )
163 return static_cast< sal_Int32 >( m_aColorSequence[ nIndex % m_nNumberOfColors ] );
164
165 // fall-back: hard-coded standard colors
166 static sal_Int32 nDefaultColors[] = {
167 0x9999ff, 0x993366, 0xffffcc,
168 0xccffff, 0x660066, 0xff8080,
169 0x0066cc, 0xccccff, 0x000080,
170 0xff00ff, 0x00ffff, 0xffff00
171 };
172
173 static const sal_Int32 nMaxDefaultColors = sizeof( nDefaultColors ) / sizeof( sal_Int32 );
174 return nDefaultColors[ nIndex % nMaxDefaultColors ];
175 }
176
notify(const OUString & rPropertyName)177 void ConfigColorScheme::notify( const OUString & rPropertyName )
178 {
179 if( rPropertyName.equals( aSeriesPropName ))
180 m_bNeedsUpdate = true;
181 }
182
183 // ================================================================================
184
getSupportedServiceNames_Static()185 Sequence< OUString > ConfigColorScheme::getSupportedServiceNames_Static()
186 {
187 Sequence< OUString > aServices( 1 );
188 aServices[ 0 ] = C2U( "com.sun.star.chart2.ColorScheme" );
189 return aServices;
190 }
191
192 // implement XServiceInfo methods basing upon getSupportedServiceNames_Static
193 APPHELPER_XSERVICEINFO_IMPL( ConfigColorScheme,
194 C2U( "com.sun.star.comp.chart2.ConfigDefaultColorScheme" ))
195
196 // ================================================================================
197
198 } // namespace chart
199