QGIS API Documentation  2.99.0-Master (19b062c)
qgscustomlayerorderwidget.h
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1 /***************************************************************************
2  qgscustomlayerorderwidget.h
3  --------------------------------------
4  Date : May 2014
5  Copyright : (C) 2014 by Martin Dobias
6  Email : wonder dot sk at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSCUSTOMLAYERORDERWIDGET_H
17 #define QGSCUSTOMLAYERORDERWIDGET_H
18 
19 #include <QWidget>
20 #include "qgis.h"
21 #include <QAbstractListModel>
22 #include "qgis_gui.h"
23 
24 class CustomLayerOrderModel;
26 class QgsLayerTreeNode;
27 class QgsMapLayer;
28 
29 class QCheckBox;
30 class QListView;
31 
43 class GUI_EXPORT QgsCustomLayerOrderWidget : public QWidget
44 {
45  Q_OBJECT
46  public:
47  explicit QgsCustomLayerOrderWidget( QgsLayerTreeMapCanvasBridge *bridge, QWidget *parent SIP_TRANSFERTHIS = 0 );
48 
49  signals:
50 
51  private slots:
52  void bridgeHasCustomLayerOrderChanged( bool state );
53  void bridgeCustomLayerOrderChanged();
55  void nodeVisibilityChanged( QgsLayerTreeNode *node );
56 
57  void modelUpdated();
58 
59  private:
60  QgsLayerTreeMapCanvasBridge *mBridge = nullptr;
61 
62  QCheckBox *mChkOverride = nullptr;
63  CustomLayerOrderModel *mModel = nullptr;
64  QListView *mView = nullptr;
65 };
66 
67 
68 #ifndef SIP_RUN
69 class CustomLayerOrderModel : public QAbstractListModel
71 {
72  Q_OBJECT
73 
74  public:
75  CustomLayerOrderModel( QgsLayerTreeMapCanvasBridge *bridge, QObject *parent = nullptr );
76 
77  int rowCount( const QModelIndex & ) const override;
78 
79  QVariant data( const QModelIndex &index, int role ) const override;
80 
81  bool setData( const QModelIndex &index, const QVariant &value, int role ) override;
82 
83  Qt::ItemFlags flags( const QModelIndex &index ) const override;
84 
85  Qt::DropActions supportedDropActions() const override;
86 
87  QStringList mimeTypes() const override;
88 
89  QMimeData *mimeData( const QModelIndexList &indexes ) const override;
90 
91  bool dropMimeData( const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent ) override;
92 
93  bool removeRows( int row, int count, const QModelIndex &parent ) override;
94 
95  void refreshModel( const QList<QgsMapLayer *> &order );
96 
97  QStringList order() const { return mOrder; }
98 
99  void updateLayerVisibility( const QString &layerId );
100 
101  protected:
102  QgsLayerTreeMapCanvasBridge *mBridge = nullptr;
103  QStringList mOrder;
104 };
106 #endif
107 
108 #endif // QGSCUSTOMLAYERORDERWIDGET_H
Base class for all map layer types.
Definition: qgsmaplayer.h:56
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:46
The QgsLayerTreeMapCanvasBridge class takes care of updates of layer set for QgsMapCanvas from a laye...
The QgsCustomLayerOrderWidget class provides a list box where the user can define custom order for dr...
This class is a base class for nodes in a layer tree.