17 #ifndef ABSTRACTDASHVIEW_H 18 #define ABSTRACTDASHVIEW_H 22 class QAbstractItemModel;
25 #include <private/qqmldelegatemodel_p.h> 26 #include <private/qquickitemchangelistener_p.h> 29 class AbstractDashView :
public QQuickItem,
public QQuickItemChangeListener
33 Q_PROPERTY(QAbstractItemModel *model READ model WRITE setModel NOTIFY modelChanged)
34 Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
35 Q_PROPERTY(qreal columnSpacing READ columnSpacing WRITE setColumnSpacing NOTIFY columnSpacingChanged)
36 Q_PROPERTY(qreal rowSpacing READ rowSpacing WRITE setRowSpacing NOTIFY rowSpacingChanged)
37 Q_PROPERTY(
int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged)
38 Q_PROPERTY(qreal displayMarginBeginning READ displayMarginBeginning
39 WRITE setDisplayMarginBeginning
40 NOTIFY displayMarginBeginningChanged)
41 Q_PROPERTY(qreal displayMarginEnd READ displayMarginEnd
42 WRITE setDisplayMarginEnd
43 NOTIFY displayMarginEndChanged)
45 friend class VerticalJournalTest;
46 friend class HorizontalJournalTest;
47 friend class OrganicGridTest;
52 QAbstractItemModel *model()
const;
53 void setModel(QAbstractItemModel *model);
55 QQmlComponent *delegate()
const;
56 void setDelegate(QQmlComponent *delegate);
58 qreal columnSpacing()
const;
59 void setColumnSpacing(qreal columnSpacing);
61 qreal rowSpacing()
const;
62 void setRowSpacing(qreal rowSpacing);
64 int cacheBuffer()
const;
65 void setCacheBuffer(
int);
67 qreal displayMarginBeginning()
const;
68 void setDisplayMarginBeginning(qreal);
70 qreal displayMarginEnd()
const;
71 void setDisplayMarginEnd(qreal);
75 void delegateChanged();
76 void columnSpacingChanged();
77 void rowSpacingChanged();
78 void cacheBufferChanged();
79 void displayMarginBeginningChanged();
80 void displayMarginEndChanged();
86 void updatePolish()
override;
87 void componentComplete()
override;
89 void releaseItem(QQuickItem *item);
90 void setImplicitHeightDirty();
93 void itemCreated(
int modelIndex, QObject *
object);
94 void onModelUpdated(
const QQmlChangeSet &changeSet,
bool reset);
95 void onHeightChanged();
98 void createDelegateModel();
100 bool addVisibleItems(qreal fillFromY, qreal fillToY,
bool asynchronous);
101 QQuickItem *createItem(
int modelIndex,
bool asynchronous);
103 virtual void findBottomModelIndexToAdd(
int *modelIndex, qreal *yPos) = 0;
104 virtual void findTopModelIndexToAdd(
int *modelIndex, qreal *yPos) = 0;
105 virtual void addItemToView(
int modelIndex, QQuickItem *item) = 0;
106 virtual bool removeNonVisibleItems(qreal bufferFromY, qreal bufferToY) = 0;
107 virtual void cleanupExistingItems() = 0;
108 virtual void doRelayout() = 0;
109 virtual void updateItemCulling(qreal visibleFromY, qreal visibleToY) = 0;
110 virtual void calculateImplicitHeight() = 0;
111 virtual void processModelRemoves(
const QVector<QQmlChangeSet::Change> &removes) = 0;
113 QQmlDelegateModel *m_delegateModel;
116 int m_asyncRequestedIndex;
121 qreal m_displayMarginBeginning;
122 qreal m_displayMarginEnd;
123 bool m_needsRelayout;
124 bool m_delegateValidated;
125 bool m_implicitHeightDirty;