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1 | | -#include <QPainter> |
2 | | - |
3 | | -#include "qgsconditionalstyle.h" |
4 | | -#include "qgsexpression.h" |
5 | | -#include "qgsfontutils.h" |
6 | | -#include "qgssymbollayerv2utils.h" |
7 | | -#include "qgsmarkersymbollayerv2.h" |
8 | | - |
9 | | -QgsConditionalStyle::QgsConditionalStyle() |
10 | | - : mValid( false ) |
11 | | - , mSymbol( 0 ) |
12 | | -{} |
13 | | - |
14 | | -QgsConditionalStyle::QgsConditionalStyle( QString rule ) |
15 | | - : mValid( false ) |
16 | | - , mSymbol( 0 ) |
17 | | -{ |
18 | | - setRule( rule ); |
19 | | -} |
20 | | - |
21 | | -QgsConditionalStyle::QgsConditionalStyle( const QgsConditionalStyle &other ) |
22 | | - : mValid( other.mValid ) |
23 | | - , mRule( other.mRule ) |
24 | | - , mFont( other.mFont ) |
25 | | - , mBackColor( other.mBackColor ) |
26 | | - , mTextColor( other.mTextColor ) |
27 | | - , mIcon( other.mIcon ) |
28 | | -{ |
29 | | - if ( other.mSymbol.data() ) |
30 | | - mSymbol.reset( other.mSymbol->clone() ); |
31 | | -} |
32 | | - |
33 | | -QgsConditionalStyle& QgsConditionalStyle::operator=( const QgsConditionalStyle & other ) |
34 | | -{ |
35 | | - mValid = other.mValid; |
36 | | - mRule = other.mRule; |
37 | | - mFont = other.mFont; |
38 | | - mBackColor = other.mBackColor; |
39 | | - mTextColor = other.mTextColor; |
40 | | - mIcon = other.mIcon; |
41 | | - if ( other.mSymbol.data() ) |
42 | | - { |
43 | | - mSymbol.reset( other.mSymbol->clone() ); |
44 | | - } |
45 | | - else |
46 | | - { |
47 | | - mSymbol.reset(); |
48 | | - } |
49 | | - return ( *this ); |
50 | | -} |
51 | | - |
52 | | -QgsConditionalStyle::~QgsConditionalStyle() |
53 | | -{ |
54 | | -} |
55 | | - |
56 | | -void QgsConditionalStyle::setSymbol( QgsSymbolV2* value ) |
57 | | -{ |
58 | | - mValid = true; |
59 | | - if ( value ) |
60 | | - { |
61 | | - mSymbol.reset( value->clone() ); |
62 | | - mIcon = QgsSymbolLayerV2Utils::symbolPreviewPixmap( mSymbol.data(), QSize( 16, 16 ) ); |
63 | | - } |
64 | | - else |
65 | | - { |
66 | | - mSymbol.reset(); |
67 | | - } |
68 | | -} |
69 | | - |
70 | | -bool QgsConditionalStyle::matches( QVariant value, QgsFeature *feature ) |
71 | | -{ |
72 | | - // TODO Replace with expression context |
73 | | - QgsExpression exp( QString( mRule ).replace( "@value", value.toString() ) ); |
74 | | - if ( feature ) |
75 | | - { |
76 | | - return exp.evaluate( feature, *feature->fields() ).toBool(); |
77 | | - } |
78 | | - { |
79 | | - return exp.evaluate().toBool(); |
80 | | - } |
81 | | -} |
82 | | - |
83 | | -QPixmap QgsConditionalStyle::renderPreview() |
84 | | -{ |
85 | | - QPixmap pixmap( 64, 32 ); |
86 | | - QPainter painter( &pixmap ); |
87 | | - |
88 | | - if ( mBackColor.isValid() ) |
89 | | - painter.setBrush( mBackColor ); |
90 | | - else |
91 | | - painter.setBrush( QColor( Qt::white ) ); |
92 | | - |
93 | | - QRect rect = QRect( 0, 0, 64, 32 ); |
94 | | - painter.setPen( Qt::NoPen ); |
95 | | - painter.drawRect( rect ); |
96 | | - painter.drawPixmap( 8, 8, icon() ); |
97 | | - |
98 | | - if ( mTextColor.isValid() ) |
99 | | - painter.setPen( mTextColor ); |
100 | | - else |
101 | | - painter.setPen( Qt::black ); |
102 | | - |
103 | | - painter.setRenderHint( QPainter::Antialiasing ); |
104 | | - painter.setRenderHint( QPainter::HighQualityAntialiasing ); |
105 | | - painter.setFont( font() ); |
106 | | - rect = QRect( 32, 0, 32, 32 ); |
107 | | - painter.drawText( rect, Qt::AlignCenter, "abc\n123" ); |
108 | | - painter.end(); |
109 | | - return pixmap; |
110 | | -} |
111 | | - |
112 | | -bool QgsConditionalStyle::writeXml( QDomNode &node, QDomDocument &doc ) |
113 | | -{ |
114 | | - QDomElement stylesel = doc.createElement( "style" ); |
115 | | - stylesel.setAttribute( "rule", mRule ); |
116 | | - stylesel.setAttribute( "background_color", mBackColor.name() ); |
117 | | - stylesel.setAttribute( "text_color", mTextColor.name() ); |
118 | | - QDomElement labelFontElem = QgsFontUtils::toXmlElement( mFont, doc, "font" ); |
119 | | - stylesel.appendChild( labelFontElem ); |
120 | | - if ( ! mSymbol.isNull() ) |
121 | | - { |
122 | | - QDomElement symbolElm = QgsSymbolLayerV2Utils::saveSymbol( "icon", mSymbol.data(), doc ); |
123 | | - stylesel.appendChild( symbolElm ); |
124 | | - } |
125 | | - node.appendChild( stylesel ); |
126 | | - return true; |
127 | | -} |
128 | | - |
129 | | -bool QgsConditionalStyle::readXml( const QDomNode &node ) |
130 | | -{ |
131 | | - QDomElement styleElm = node.toElement(); |
132 | | - setRule( styleElm.attribute( "rule" ) ); |
133 | | - setBackgroundColor( QColor( styleElm.attribute( "background_color" ) ) ); |
134 | | - setTextColor( QColor( styleElm.attribute( "text_color" ) ) ); |
135 | | - QgsFontUtils::setFromXmlChildNode( mFont, styleElm, "font" ); |
136 | | - QDomElement symbolElm = styleElm.firstChildElement( "symbol" ); |
137 | | - if ( !symbolElm.isNull() ) |
138 | | - { |
139 | | - QgsSymbolV2* symbol = QgsSymbolLayerV2Utils::loadSymbol<QgsMarkerSymbolV2>( symbolElm ); |
140 | | - setSymbol( symbol ); |
141 | | - } |
142 | | - return true; |
143 | | -} |
144 | | - |
| 1 | +#include <QPainter> |
| 2 | + |
| 3 | +#include "qgsconditionalstyle.h" |
| 4 | +#include "qgsexpression.h" |
| 5 | +#include "qgsfontutils.h" |
| 6 | +#include "qgssymbollayerv2utils.h" |
| 7 | +#include "qgsmarkersymbollayerv2.h" |
| 8 | + |
| 9 | +QgsConditionalStyle::QgsConditionalStyle() |
| 10 | + : mValid( false ) |
| 11 | + , mSymbol( 0 ) |
| 12 | +{} |
| 13 | + |
| 14 | +QgsConditionalStyle::QgsConditionalStyle( QString rule ) |
| 15 | + : mValid( false ) |
| 16 | + , mSymbol( 0 ) |
| 17 | +{ |
| 18 | + setRule( rule ); |
| 19 | +} |
| 20 | + |
| 21 | +QgsConditionalStyle::QgsConditionalStyle( const QgsConditionalStyle &other ) |
| 22 | + : mValid( other.mValid ) |
| 23 | + , mRule( other.mRule ) |
| 24 | + , mFont( other.mFont ) |
| 25 | + , mBackColor( other.mBackColor ) |
| 26 | + , mTextColor( other.mTextColor ) |
| 27 | + , mIcon( other.mIcon ) |
| 28 | +{ |
| 29 | + if ( other.mSymbol.data() ) |
| 30 | + mSymbol.reset( other.mSymbol->clone() ); |
| 31 | +} |
| 32 | + |
| 33 | +QgsConditionalStyle& QgsConditionalStyle::operator=( const QgsConditionalStyle & other ) |
| 34 | +{ |
| 35 | + mValid = other.mValid; |
| 36 | + mRule = other.mRule; |
| 37 | + mFont = other.mFont; |
| 38 | + mBackColor = other.mBackColor; |
| 39 | + mTextColor = other.mTextColor; |
| 40 | + mIcon = other.mIcon; |
| 41 | + if ( other.mSymbol.data() ) |
| 42 | + { |
| 43 | + mSymbol.reset( other.mSymbol->clone() ); |
| 44 | + } |
| 45 | + else |
| 46 | + { |
| 47 | + mSymbol.reset(); |
| 48 | + } |
| 49 | + return ( *this ); |
| 50 | +} |
| 51 | + |
| 52 | +QgsConditionalStyle::~QgsConditionalStyle() |
| 53 | +{ |
| 54 | +} |
| 55 | + |
| 56 | +void QgsConditionalStyle::setSymbol( QgsSymbolV2* value ) |
| 57 | +{ |
| 58 | + mValid = true; |
| 59 | + if ( value ) |
| 60 | + { |
| 61 | + mSymbol.reset( value->clone() ); |
| 62 | + mIcon = QgsSymbolLayerV2Utils::symbolPreviewPixmap( mSymbol.data(), QSize( 16, 16 ) ); |
| 63 | + } |
| 64 | + else |
| 65 | + { |
| 66 | + mSymbol.reset(); |
| 67 | + } |
| 68 | +} |
| 69 | + |
| 70 | +bool QgsConditionalStyle::matches( QVariant value, QgsFeature *feature ) |
| 71 | +{ |
| 72 | + // TODO Replace with expression context |
| 73 | + QgsExpression exp( QString( mRule ).replace( "@value", value.toString() ) ); |
| 74 | + if ( feature ) |
| 75 | + { |
| 76 | + return exp.evaluate( feature, *feature->fields() ).toBool(); |
| 77 | + } |
| 78 | + { |
| 79 | + return exp.evaluate().toBool(); |
| 80 | + } |
| 81 | +} |
| 82 | + |
| 83 | +QPixmap QgsConditionalStyle::renderPreview() |
| 84 | +{ |
| 85 | + QPixmap pixmap( 64, 32 ); |
| 86 | + QPainter painter( &pixmap ); |
| 87 | + |
| 88 | + if ( mBackColor.isValid() ) |
| 89 | + painter.setBrush( mBackColor ); |
| 90 | + else |
| 91 | + painter.setBrush( QColor( Qt::white ) ); |
| 92 | + |
| 93 | + QRect rect = QRect( 0, 0, 64, 32 ); |
| 94 | + painter.setPen( Qt::NoPen ); |
| 95 | + painter.drawRect( rect ); |
| 96 | + painter.drawPixmap( 8, 8, icon() ); |
| 97 | + |
| 98 | + if ( mTextColor.isValid() ) |
| 99 | + painter.setPen( mTextColor ); |
| 100 | + else |
| 101 | + painter.setPen( Qt::black ); |
| 102 | + |
| 103 | + painter.setRenderHint( QPainter::Antialiasing ); |
| 104 | + painter.setRenderHint( QPainter::HighQualityAntialiasing ); |
| 105 | + painter.setFont( font() ); |
| 106 | + rect = QRect( 32, 0, 32, 32 ); |
| 107 | + painter.drawText( rect, Qt::AlignCenter, "abc\n123" ); |
| 108 | + painter.end(); |
| 109 | + return pixmap; |
| 110 | +} |
| 111 | + |
| 112 | +bool QgsConditionalStyle::writeXml( QDomNode &node, QDomDocument &doc ) |
| 113 | +{ |
| 114 | + QDomElement stylesel = doc.createElement( "style" ); |
| 115 | + stylesel.setAttribute( "rule", mRule ); |
| 116 | + stylesel.setAttribute( "background_color", mBackColor.name() ); |
| 117 | + stylesel.setAttribute( "text_color", mTextColor.name() ); |
| 118 | + QDomElement labelFontElem = QgsFontUtils::toXmlElement( mFont, doc, "font" ); |
| 119 | + stylesel.appendChild( labelFontElem ); |
| 120 | + if ( ! mSymbol.isNull() ) |
| 121 | + { |
| 122 | + QDomElement symbolElm = QgsSymbolLayerV2Utils::saveSymbol( "icon", mSymbol.data(), doc ); |
| 123 | + stylesel.appendChild( symbolElm ); |
| 124 | + } |
| 125 | + node.appendChild( stylesel ); |
| 126 | + return true; |
| 127 | +} |
| 128 | + |
| 129 | +bool QgsConditionalStyle::readXml( const QDomNode &node ) |
| 130 | +{ |
| 131 | + QDomElement styleElm = node.toElement(); |
| 132 | + setRule( styleElm.attribute( "rule" ) ); |
| 133 | + setBackgroundColor( QColor( styleElm.attribute( "background_color" ) ) ); |
| 134 | + setTextColor( QColor( styleElm.attribute( "text_color" ) ) ); |
| 135 | + QgsFontUtils::setFromXmlChildNode( mFont, styleElm, "font" ); |
| 136 | + QDomElement symbolElm = styleElm.firstChildElement( "symbol" ); |
| 137 | + if ( !symbolElm.isNull() ) |
| 138 | + { |
| 139 | + QgsSymbolV2* symbol = QgsSymbolLayerV2Utils::loadSymbol<QgsMarkerSymbolV2>( symbolElm ); |
| 140 | + setSymbol( symbol ); |
| 141 | + } |
| 142 | + return true; |
| 143 | +} |
| 144 | + |
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