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27 #ifndef CHART2_REFERENCESIZEPROVIDER_HXX
28 #define CHART2_REFERENCESIZEPROVIDER_HXX
29 
30 #include <com/sun/star/uno/Reference.hxx>
31 #include <com/sun/star/chart2/XChartDocument.hpp>
32 #include <com/sun/star/awt/Size.hpp>
33 #include "charttoolsdllapi.hxx"
34 
35 namespace com { namespace sun { namespace star {
36 namespace chart2 {
37     class XTitle;
38     class XTitled;
39 }
40 }}}
41 
42 // ----------------------------------------
43 namespace chart
44 {
45 
46 class OOO_DLLPUBLIC_CHARTTOOLS ReferenceSizeProvider
47 {
48 public:
49 
50     enum AutoResizeState
51     {
52         AUTO_RESIZE_YES,
53         AUTO_RESIZE_NO,
54         AUTO_RESIZE_AMBIGUOUS,
55         AUTO_RESIZE_UNKNOWN
56     };
57 
58     ReferenceSizeProvider(
59         ::com::sun::star::awt::Size aPageSize,
60         const ::com::sun::star::uno::Reference<
61             ::com::sun::star::chart2::XChartDocument > & xChartDoc );
62 
63     ::com::sun::star::awt::Size getPageSize() const;
64 
65     /** Retrieves the state auto-resize from all objects that support this
66         feature.  If all objects return the same state, AUTO_RESIZE_YES or
67         AUTO_RESIZE_NO is returned.
68 
69         If no object supporting the feature is found, AUTO_RESIZE_UNKNOWN is
70         returned.  If there are multiple objects, some with state YES and some
71         with state NO, AUTO_RESIZE_AMBIGUOUS is returned.
72     */
73     static AutoResizeState getAutoResizeState(
74         const ::com::sun::star::uno::Reference<
75             ::com::sun::star::chart2::XChartDocument > & xChartDoc );
76 
77     /** sets or resets the auto-resize at all objects that support this feature
78         for text to the opposite of the current setting.  If the current state
79         is ambiguous, it is turned on.  If the current state is unknown it stays
80         unknown.
81     */
82     void toggleAutoResizeState();
83 
84 
85     /** Sets the ReferencePageSize according to the internal settings of this
86         class at the XPropertySet, and the adapted font sizes if bAdaptFontSizes
87         is </sal_True>.
88      */
89     SAL_DLLPRIVATE void setValuesAtPropertySet(
90         const ::com::sun::star::uno::Reference<
91             ::com::sun::star::beans::XPropertySet > & xProp,
92         bool bAdaptFontSizes = true );
93 
94     /** Sets the ReferencePageSize according to the internal settings of this
95         class at the XTitle, and the adapted font sizes at the contained
96         XFormattedStrings
97      */
98     SAL_DLLPRIVATE void setValuesAtTitle(
99         const ::com::sun::star::uno::Reference<
100             ::com::sun::star::chart2::XTitle > & xTitle );
101 
102     /** Sets the internal value at all data series in the currently set model.
103         This is useful, if you have changed a chart-type and thus probably added
104         some new data series via model functionality.
105      */
106     void setValuesAtAllDataSeries();
107 
108 private:
109     SAL_DLLPRIVATE bool useAutoScale() const;
110 
111     /** sets the auto-resize at all objects that support this feature for text.
112         eNewState must be either AUTO_RESIZE_YES or AUTO_RESIZE_NO
113     */
114     SAL_DLLPRIVATE void setAutoResizeState( AutoResizeState eNewState );
115 
116     /** Retrieves the auto-resize state from the given propertyset.  The result
117         will be put into eInOutState.  If you initialize eInOutState with
118         AUTO_RESIZE_UNKNOWN, you will get the actual state.  If you pass any
119         other state, the result will be the accumulated state,
120         esp. AUTO_RESIZE_AMBIGUOUS, if the value was NO before, and is YES for
121         the current property set, or the other way round.
122      */
123     SAL_DLLPRIVATE static void getAutoResizeFromPropSet(
124         const ::com::sun::star::uno::Reference<
125             ::com::sun::star::beans::XPropertySet > & xProp,
126         AutoResizeState & rInOutState );
127 
128     SAL_DLLPRIVATE void impl_setValuesAtTitled(
129         const ::com::sun::star::uno::Reference<
130             ::com::sun::star::chart2::XTitled > & xTitled );
131     SAL_DLLPRIVATE static void impl_getAutoResizeFromTitled(
132         const ::com::sun::star::uno::Reference<
133             ::com::sun::star::chart2::XTitled > & xTitled,
134         AutoResizeState & rInOutState );
135 
136     ::com::sun::star::awt::Size m_aPageSize;
137     ::com::sun::star::uno::Reference<
138             ::com::sun::star::chart2::XChartDocument > m_xChartDoc;
139     bool      m_bUseAutoScale;
140 };
141 
142 } //  namespace chart
143 
144 // CHART2_REFERENCESIZEPROVIDER_HXX
145 #endif
146