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21 
22 
23 #ifndef CHART2_REFERENCESIZEPROVIDER_HXX
24 #define CHART2_REFERENCESIZEPROVIDER_HXX
25 
26 #include <com/sun/star/uno/Reference.hxx>
27 #include <com/sun/star/chart2/XChartDocument.hpp>
28 #include <com/sun/star/awt/Size.hpp>
29 #include "charttoolsdllapi.hxx"
30 
31 namespace com { namespace sun { namespace star {
32 namespace chart2 {
33     class XTitle;
34     class XTitled;
35 }
36 }}}
37 
38 // ----------------------------------------
39 namespace chart
40 {
41 
42 class OOO_DLLPUBLIC_CHARTTOOLS ReferenceSizeProvider
43 {
44 public:
45 
46     enum AutoResizeState
47     {
48         AUTO_RESIZE_YES,
49         AUTO_RESIZE_NO,
50         AUTO_RESIZE_AMBIGUOUS,
51         AUTO_RESIZE_UNKNOWN
52     };
53 
54     ReferenceSizeProvider(
55         ::com::sun::star::awt::Size aPageSize,
56         const ::com::sun::star::uno::Reference<
57             ::com::sun::star::chart2::XChartDocument > & xChartDoc );
58 
59     ::com::sun::star::awt::Size getPageSize() const;
60 
61     /** Retrieves the state auto-resize from all objects that support this
62         feature.  If all objects return the same state, AUTO_RESIZE_YES or
63         AUTO_RESIZE_NO is returned.
64 
65         If no object supporting the feature is found, AUTO_RESIZE_UNKNOWN is
66         returned.  If there are multiple objects, some with state YES and some
67         with state NO, AUTO_RESIZE_AMBIGUOUS is returned.
68     */
69     static AutoResizeState getAutoResizeState(
70         const ::com::sun::star::uno::Reference<
71             ::com::sun::star::chart2::XChartDocument > & xChartDoc );
72 
73     /** sets or resets the auto-resize at all objects that support this feature
74         for text to the opposite of the current setting.  If the current state
75         is ambiguous, it is turned on.  If the current state is unknown it stays
76         unknown.
77     */
78     void toggleAutoResizeState();
79 
80 
81     /** Sets the ReferencePageSize according to the internal settings of this
82         class at the XPropertySet, and the adapted font sizes if bAdaptFontSizes
83         is </sal_True>.
84      */
85     SAL_DLLPRIVATE void setValuesAtPropertySet(
86         const ::com::sun::star::uno::Reference<
87             ::com::sun::star::beans::XPropertySet > & xProp,
88         bool bAdaptFontSizes = true );
89 
90     /** Sets the ReferencePageSize according to the internal settings of this
91         class at the XTitle, and the adapted font sizes at the contained
92         XFormattedStrings
93      */
94     SAL_DLLPRIVATE void setValuesAtTitle(
95         const ::com::sun::star::uno::Reference<
96             ::com::sun::star::chart2::XTitle > & xTitle );
97 
98     /** Sets the internal value at all data series in the currently set model.
99         This is useful, if you have changed a chart-type and thus probably added
100         some new data series via model functionality.
101      */
102     void setValuesAtAllDataSeries();
103 
104 private:
105     SAL_DLLPRIVATE bool useAutoScale() const;
106 
107     /** sets the auto-resize at all objects that support this feature for text.
108         eNewState must be either AUTO_RESIZE_YES or AUTO_RESIZE_NO
109     */
110     SAL_DLLPRIVATE void setAutoResizeState( AutoResizeState eNewState );
111 
112     /** Retrieves the auto-resize state from the given propertyset.  The result
113         will be put into eInOutState.  If you initialize eInOutState with
114         AUTO_RESIZE_UNKNOWN, you will get the actual state.  If you pass any
115         other state, the result will be the accumulated state,
116         esp. AUTO_RESIZE_AMBIGUOUS, if the value was NO before, and is YES for
117         the current property set, or the other way round.
118      */
119     SAL_DLLPRIVATE static void getAutoResizeFromPropSet(
120         const ::com::sun::star::uno::Reference<
121             ::com::sun::star::beans::XPropertySet > & xProp,
122         AutoResizeState & rInOutState );
123 
124     SAL_DLLPRIVATE void impl_setValuesAtTitled(
125         const ::com::sun::star::uno::Reference<
126             ::com::sun::star::chart2::XTitled > & xTitled );
127     SAL_DLLPRIVATE static void impl_getAutoResizeFromTitled(
128         const ::com::sun::star::uno::Reference<
129             ::com::sun::star::chart2::XTitled > & xTitled,
130         AutoResizeState & rInOutState );
131 
132     ::com::sun::star::awt::Size m_aPageSize;
133     ::com::sun::star::uno::Reference<
134             ::com::sun::star::chart2::XChartDocument > m_xChartDoc;
135     bool      m_bUseAutoScale;
136 };
137 
138 } //  namespace chart
139 
140 // CHART2_REFERENCESIZEPROVIDER_HXX
141 #endif
142