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Make inverted polygon legend items checkable

This was not working with legendSymbolItemsV2(), in particular tested
with rule based renderer.
  • Loading branch information
m-kuhn committed Aug 15, 2017
1 parent 5e1e441 commit ebf20a588bc66bd3b504f641a25ffd78fee70901
@@ -507,6 +507,14 @@ bool QgsInvertedPolygonRenderer::willRenderFeature( QgsFeature& feat, QgsRenderC
return mSubRenderer->willRenderFeature( feat, context );
}

QgsLegendSymbolListV2 QgsInvertedPolygonRenderer::legendSymbolItemsV2() const
{
if ( !mSubRenderer )
return QgsFeatureRendererV2::legendSymbolItemsV2();

return mSubRenderer->legendSymbolItemsV2();
}

QgsInvertedPolygonRenderer* QgsInvertedPolygonRenderer::convertFromRenderer( const QgsFeatureRendererV2 *renderer )
{
if ( renderer->type() == "invertedPolygonRenderer" )
@@ -109,6 +109,8 @@ class CORE_EXPORT QgsInvertedPolygonRenderer : public QgsFeatureRendererV2
*/
virtual bool willRenderFeature( QgsFeature& feat, QgsRenderContext& context ) override;

virtual QgsLegendSymbolListV2 legendSymbolItemsV2() const override;

/** Creates a renderer out of an XML, for loading*/
static QgsFeatureRendererV2* create( QDomElement& element );

@@ -28,6 +28,8 @@
#include <qgsapplication.h>
#include <qgsproviderregistry.h>
#include <qgsmaplayerregistry.h>
#include "qgsrendererv2.h"

//qgis test includes
#include "qgsmultirenderchecker.h"

@@ -49,6 +51,7 @@ class TestQgsInvertedPolygon : public QObject

void singleSubRenderer();
void graduatedSubRenderer();
void checkSymbolItem();
void preprocess();
void projectionTest();
#if defined(GDAL_VERSION_NUM) && GDAL_VERSION_MAJOR >= 2
@@ -130,6 +133,15 @@ void TestQgsInvertedPolygon::graduatedSubRenderer()
QVERIFY( imageCheck( "inverted_polys_graduated" ) );
}

void TestQgsInvertedPolygon::checkSymbolItem()
{
QVERIFY( setQml( mpPolysLayer, "inverted_polys_rule.qml" ) );
QString firstRuleKey = mpPolysLayer->rendererV2()->legendSymbolItemsV2().first().ruleKey();
QVERIFY( mpPolysLayer->rendererV2()->legendSymbolItemChecked( firstRuleKey ) );
mpPolysLayer->rendererV2()->checkLegendSymbolItem( firstRuleKey, false );
QVERIFY( !mpPolysLayer->rendererV2()->legendSymbolItemChecked( firstRuleKey ) );
}

void TestQgsInvertedPolygon::preprocess()
{
// FIXME will have to find some overlapping polygons
@@ -0,0 +1,297 @@
<!DOCTYPE qgis PUBLIC 'http://mrcc.com/qgis.dtd' 'SYSTEM'>
<qgis version="2.18.9" simplifyAlgorithm="0" minimumScale="0" maximumScale="1e+08" simplifyDrawingHints="1" minLabelScale="0" maxLabelScale="1e+08" simplifyDrawingTol="1" readOnly="0" simplifyMaxScale="1" hasScaleBasedVisibilityFlag="0" simplifyLocal="1" scaleBasedLabelVisibilityFlag="0">
<edittypes>
<edittype widgetv2type="TextEdit" name="Name">
<widgetv2config IsMultiline="0" fieldEditable="1" constraint="" UseHtml="0" labelOnTop="0" constraintDescription="" notNull="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="Value">
<widgetv2config IsMultiline="0" fieldEditable="1" constraint="" UseHtml="0" labelOnTop="0" constraintDescription="" notNull="0"/>
</edittype>
</edittypes>
<renderer-v2 forceraster="0" preprocessing="0" type="invertedPolygonRenderer" enableorderby="0">
<renderer-v2 forceraster="0" symbollevels="0" type="RuleRenderer" enableorderby="0">
<rules key="{7c47ddbb-77ed-4795-a788-47dfd5a912e4}">
<rule filter="Value = 7" key="{579517cb-b8c8-49a1-8580-00241734f728}" symbol="0" label="Seven"/>
<rule filter="Value = 10" key="{937affbb-2809-4f1a-868b-d5fa8e995494}" symbol="1" label="Ten"/>
</rules>
<symbols>
<symbol alpha="1" clip_to_extent="1" type="fill" name="0">
<layer pass="0" class="SimpleFill" locked="0">
<prop k="border_width_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="color" v="163,163,163,255"/>
<prop k="joinstyle" v="bevel"/>
<prop k="offset" v="0,0"/>
<prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="offset_unit" v="MM"/>
<prop k="outline_color" v="163,163,163,255"/>
<prop k="outline_style" v="solid"/>
<prop k="outline_width" v="0.26"/>
<prop k="outline_width_unit" v="MM"/>
<prop k="style" v="solid"/>
</layer>
</symbol>
<symbol alpha="1" clip_to_extent="1" type="fill" name="1">
<layer pass="0" class="SimpleFill" locked="0">
<prop k="border_width_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="color" v="255,255,255,255"/>
<prop k="joinstyle" v="bevel"/>
<prop k="offset" v="0,0"/>
<prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="offset_unit" v="MM"/>
<prop k="outline_color" v="255,255,255,255"/>
<prop k="outline_style" v="solid"/>
<prop k="outline_width" v="0.26"/>
<prop k="outline_width_unit" v="MM"/>
<prop k="style" v="solid"/>
</layer>
</symbol>
</symbols>
</renderer-v2>
</renderer-v2>
<labeling type="simple"/>
<customproperties>
<property key="embeddedWidgets/count" value="0"/>
<property key="labeling" value="pal"/>
<property key="labeling/addDirectionSymbol" value="false"/>
<property key="labeling/angleOffset" value="0"/>
<property key="labeling/blendMode" value="0"/>
<property key="labeling/bufferBlendMode" value="0"/>
<property key="labeling/bufferColorA" value="255"/>
<property key="labeling/bufferColorB" value="255"/>
<property key="labeling/bufferColorG" value="255"/>
<property key="labeling/bufferColorR" value="255"/>
<property key="labeling/bufferDraw" value="false"/>
<property key="labeling/bufferJoinStyle" value="128"/>
<property key="labeling/bufferNoFill" value="false"/>
<property key="labeling/bufferSize" value="1"/>
<property key="labeling/bufferSizeInMapUnits" value="false"/>
<property key="labeling/bufferSizeMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/bufferTransp" value="0"/>
<property key="labeling/centroidInside" value="false"/>
<property key="labeling/centroidWhole" value="false"/>
<property key="labeling/decimals" value="3"/>
<property key="labeling/displayAll" value="false"/>
<property key="labeling/dist" value="0"/>
<property key="labeling/distInMapUnits" value="false"/>
<property key="labeling/distMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/drawLabels" value="false"/>
<property key="labeling/enabled" value="false"/>
<property key="labeling/fieldName" value=""/>
<property key="labeling/fitInPolygonOnly" value="false"/>
<property key="labeling/fontCapitals" value="0"/>
<property key="labeling/fontFamily" value="Cantarell"/>
<property key="labeling/fontItalic" value="false"/>
<property key="labeling/fontLetterSpacing" value="0"/>
<property key="labeling/fontLimitPixelSize" value="false"/>
<property key="labeling/fontMaxPixelSize" value="10000"/>
<property key="labeling/fontMinPixelSize" value="3"/>
<property key="labeling/fontSize" value="11"/>
<property key="labeling/fontSizeInMapUnits" value="false"/>
<property key="labeling/fontSizeMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/fontStrikeout" value="false"/>
<property key="labeling/fontUnderline" value="false"/>
<property key="labeling/fontWeight" value="50"/>
<property key="labeling/fontWordSpacing" value="0"/>
<property key="labeling/formatNumbers" value="false"/>
<property key="labeling/isExpression" value="true"/>
<property key="labeling/labelOffsetInMapUnits" value="true"/>
<property key="labeling/labelOffsetMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/labelPerPart" value="false"/>
<property key="labeling/leftDirectionSymbol" value="&lt;"/>
<property key="labeling/limitNumLabels" value="false"/>
<property key="labeling/maxCurvedCharAngleIn" value="25"/>
<property key="labeling/maxCurvedCharAngleOut" value="-25"/>
<property key="labeling/maxNumLabels" value="2000"/>
<property key="labeling/mergeLines" value="false"/>
<property key="labeling/minFeatureSize" value="0"/>
<property key="labeling/multilineAlign" value="4294967295"/>
<property key="labeling/multilineHeight" value="1"/>
<property key="labeling/namedStyle" value="Regular"/>
<property key="labeling/obstacle" value="true"/>
<property key="labeling/obstacleFactor" value="1"/>
<property key="labeling/obstacleType" value="0"/>
<property key="labeling/offsetType" value="0"/>
<property key="labeling/placeDirectionSymbol" value="0"/>
<property key="labeling/placement" value="1"/>
<property key="labeling/placementFlags" value="10"/>
<property key="labeling/plussign" value="false"/>
<property key="labeling/predefinedPositionOrder" value="TR,TL,BR,BL,R,L,TSR,BSR"/>
<property key="labeling/preserveRotation" value="true"/>
<property key="labeling/previewBkgrdColor" value="#ffffff"/>
<property key="labeling/priority" value="5"/>
<property key="labeling/quadOffset" value="4"/>
<property key="labeling/repeatDistance" value="0"/>
<property key="labeling/repeatDistanceMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/repeatDistanceUnit" value="1"/>
<property key="labeling/reverseDirectionSymbol" value="false"/>
<property key="labeling/rightDirectionSymbol" value=">"/>
<property key="labeling/scaleMax" value="10000000"/>
<property key="labeling/scaleMin" value="1"/>
<property key="labeling/scaleVisibility" value="false"/>
<property key="labeling/shadowBlendMode" value="6"/>
<property key="labeling/shadowColorB" value="0"/>
<property key="labeling/shadowColorG" value="0"/>
<property key="labeling/shadowColorR" value="0"/>
<property key="labeling/shadowDraw" value="false"/>
<property key="labeling/shadowOffsetAngle" value="135"/>
<property key="labeling/shadowOffsetDist" value="1"/>
<property key="labeling/shadowOffsetGlobal" value="true"/>
<property key="labeling/shadowOffsetMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/shadowOffsetUnits" value="1"/>
<property key="labeling/shadowRadius" value="1.5"/>
<property key="labeling/shadowRadiusAlphaOnly" value="false"/>
<property key="labeling/shadowRadiusMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/shadowRadiusUnits" value="1"/>
<property key="labeling/shadowScale" value="100"/>
<property key="labeling/shadowTransparency" value="30"/>
<property key="labeling/shadowUnder" value="0"/>
<property key="labeling/shapeBlendMode" value="0"/>
<property key="labeling/shapeBorderColorA" value="255"/>
<property key="labeling/shapeBorderColorB" value="128"/>
<property key="labeling/shapeBorderColorG" value="128"/>
<property key="labeling/shapeBorderColorR" value="128"/>
<property key="labeling/shapeBorderWidth" value="0"/>
<property key="labeling/shapeBorderWidthMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/shapeBorderWidthUnits" value="1"/>
<property key="labeling/shapeDraw" value="false"/>
<property key="labeling/shapeFillColorA" value="255"/>
<property key="labeling/shapeFillColorB" value="255"/>
<property key="labeling/shapeFillColorG" value="255"/>
<property key="labeling/shapeFillColorR" value="255"/>
<property key="labeling/shapeJoinStyle" value="64"/>
<property key="labeling/shapeOffsetMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/shapeOffsetUnits" value="1"/>
<property key="labeling/shapeOffsetX" value="0"/>
<property key="labeling/shapeOffsetY" value="0"/>
<property key="labeling/shapeRadiiMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/shapeRadiiUnits" value="1"/>
<property key="labeling/shapeRadiiX" value="0"/>
<property key="labeling/shapeRadiiY" value="0"/>
<property key="labeling/shapeRotation" value="0"/>
<property key="labeling/shapeRotationType" value="0"/>
<property key="labeling/shapeSVGFile" value=""/>
<property key="labeling/shapeSizeMapUnitScale" value="0,0,0,0,0,0"/>
<property key="labeling/shapeSizeType" value="0"/>
<property key="labeling/shapeSizeUnits" value="1"/>
<property key="labeling/shapeSizeX" value="0"/>
<property key="labeling/shapeSizeY" value="0"/>
<property key="labeling/shapeTransparency" value="0"/>
<property key="labeling/shapeType" value="0"/>
<property key="labeling/substitutions" value="&lt;substitutions/>"/>
<property key="labeling/textColorA" value="255"/>
<property key="labeling/textColorB" value="0"/>
<property key="labeling/textColorG" value="0"/>
<property key="labeling/textColorR" value="0"/>
<property key="labeling/textTransp" value="0"/>
<property key="labeling/upsidedownLabels" value="0"/>
<property key="labeling/useSubstitutions" value="false"/>
<property key="labeling/wrapChar" value=""/>
<property key="labeling/xOffset" value="0"/>
<property key="labeling/yOffset" value="0"/>
<property key="labeling/zIndex" value="0"/>
<property key="variableNames"/>
<property key="variableValues"/>
</customproperties>
<blendMode>0</blendMode>
<featureBlendMode>0</featureBlendMode>
<layerTransparency>0</layerTransparency>
<displayfield>Name</displayfield>
<label>0</label>
<labelattributes>
<label fieldname="" text="Label"/>
<family fieldname="" name="Cantarell"/>
<size fieldname="" units="pt" value="12"/>
<bold fieldname="" on="0"/>
<italic fieldname="" on="0"/>
<underline fieldname="" on="0"/>
<strikeout fieldname="" on="0"/>
<color fieldname="" red="0" blue="0" green="0"/>
<x fieldname=""/>
<y fieldname=""/>
<offset x="0" y="0" units="pt" yfieldname="" xfieldname=""/>
<angle fieldname="" value="0" auto="0"/>
<alignment fieldname="" value="center"/>
<buffercolor fieldname="" red="255" blue="255" green="255"/>
<buffersize fieldname="" units="pt" value="1"/>
<bufferenabled fieldname="" on=""/>
<multilineenabled fieldname="" on=""/>
<selectedonly on=""/>
</labelattributes>
<SingleCategoryDiagramRenderer diagramType="Histogram" sizeLegend="0" attributeLegend="1">
<DiagramCategory penColor="#000000" labelPlacementMethod="XHeight" penWidth="0" diagramOrientation="Up" sizeScale="0,0,0,0,0,0" minimumSize="0" barWidth="5" penAlpha="255" maxScaleDenominator="1e+08" backgroundColor="#ffffff" transparency="0" width="15" scaleDependency="Area" backgroundAlpha="255" angleOffset="1440" scaleBasedVisibility="0" enabled="0" height="15" lineSizeScale="0,0,0,0,0,0" sizeType="MM" lineSizeType="MM" minScaleDenominator="inf">
<fontProperties description="Cantarell,11,-1,5,50,0,0,0,0,0" style=""/>
</DiagramCategory>
<symbol alpha="1" clip_to_extent="1" type="marker" name="sizeSymbol">
<layer pass="0" class="SimpleMarker" locked="0">
<prop k="angle" v="0"/>
<prop k="color" v="255,0,0,255"/>
<prop k="horizontal_anchor_point" v="1"/>
<prop k="joinstyle" v="bevel"/>
<prop k="name" v="circle"/>
<prop k="offset" v="0,0"/>
<prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="offset_unit" v="MM"/>
<prop k="outline_color" v="0,0,0,255"/>
<prop k="outline_style" v="solid"/>
<prop k="outline_width" v="0"/>
<prop k="outline_width_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="outline_width_unit" v="MM"/>
<prop k="scale_method" v="diameter"/>
<prop k="size" v="2"/>
<prop k="size_map_unit_scale" v="0,0,0,0,0,0"/>
<prop k="size_unit" v="MM"/>
<prop k="vertical_anchor_point" v="1"/>
</layer>
</symbol>
</SingleCategoryDiagramRenderer>
<DiagramLayerSettings yPosColumn="-1" showColumn="-1" linePlacementFlags="10" placement="0" dist="0" xPosColumn="-1" priority="0" obstacle="0" zIndex="0" showAll="1"/>
<annotationform></annotationform>
<aliases>
<alias field="Name" index="0" name=""/>
<alias field="Value" index="1" name=""/>
</aliases>
<excludeAttributesWMS/>
<excludeAttributesWFS/>
<attributeactions default="-1"/>
<attributetableconfig actionWidgetStyle="dropDown" sortExpression="" sortOrder="1664710748">
<columns>
<column width="-1" hidden="0" type="field" name="Name"/>
<column width="-1" hidden="0" type="field" name="Value"/>
<column width="-1" hidden="1" type="actions"/>
</columns>
</attributetableconfig>
<editform></editform>
<editforminit/>
<editforminitcodesource>0</editforminitcodesource>
<editforminitfilepath></editforminitfilepath>
<editforminitcode><![CDATA[# -*- coding: utf-8 -*-
"""
QGIS forms can have a Python function that is called when the form is
opened.
Use this function to add extra logic to your forms.
Enter the name of the function in the "Python Init function"
field.
An example follows:
"""
from qgis.PyQt.QtWidgets import QWidget

def my_form_open(dialog, layer, feature):
geom = feature.geometry()
control = dialog.findChild(QWidget, "MyLineEdit")
]]></editforminitcode>
<featformsuppress>0</featformsuppress>
<editorlayout>generatedlayout</editorlayout>
<widgets/>
<conditionalstyles>
<rowstyles/>
<fieldstyles/>
</conditionalstyles>
<defaults>
<default field="Name" expression=""/>
<default field="Value" expression=""/>
</defaults>
<previewExpression></previewExpression>
<layerGeometryType>2</layerGeometryType>
</qgis>

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