1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef DFBrowser_TreeLevelLine_H
#define DFBrowser_TreeLevelLine_H
#include <inspector/TreeModel_ItemBase.hxx>
#include <Standard.hxx>
#include <Standard_WarningsDisable.hxx>
#include <QItemSelection>
#include <QObject>
#include <QMap>
#include <QModelIndex>
#include <Standard_WarningsRestore.hxx>
class DFBrowser_SearchLine;
class QAbstractItemModel;
class QToolButton;
class QTableView;
class QWidget;
//! \class DFBrowser_TreeLevelLine
//! This is a control to visualize the current selected item of OCAF tree view.
//! It contains history of previous selected items.
//! The structure of this control is the next:
//! <back button> <forward button> <selected item line> <update button> <search line>
//! - <back button> allows moving to previously selected item (if it exists)
//! - <forward button> allows moving to next selected item (if it exists)
//! - <selected item line> path to currently selected item in OCAF tree view. Click on any level
//! will select the clicked item in tree view.
//! - <update button> will update content of OCAF tree model
//! - <search line> allows type label entry or attribute name and see in search view the available
//! elements
class DFBrowser_TreeLevelLine : public QObject
{
Q_OBJECT
public:
//! Constructor
Standard_EXPORT DFBrowser_TreeLevelLine(QWidget* theParent);
//! Destructor
virtual ~DFBrowser_TreeLevelLine() {}
//! Clears history of selected items
Standard_EXPORT void ClearHistory();
//! Returns parent control
QWidget* GetControl() const { return myMainWindow; }
//! Returns current search line
DFBrowser_SearchLine* GetSearchLine() const { return mySearchLine; };
signals:
//! Signal about selection of an item in tree level line
//! \param theIndex a tree view model index of selected item
void indexSelected(const QModelIndex& theIndex);
//! Signal about necessity to update OCAF tree model
void updateClicked();
public slots:
//! Listens tree view selection model. Update tree level line by selected item. Stores
//! \param theSelected a list of selected items
//! \param theDeselected a list of deselected items
Standard_EXPORT void OnTreeViewSelectionChanged(const QItemSelection& theSelected,
const QItemSelection& theDeselected);
private slots:
//! Listens table view selection model. Gets selected tree view model index and emit indexSelected
//! signal. \param theSelected a list of selected items \param theDeselected a list of deselected
//! items
void onTableSelectionChanged(const QItemSelection& theSelected,
const QItemSelection& theDeselected);
//! Listens actions and do the following:
//! - <backward>: moves history to the previous selection item, emits indexSelected signal
//! - <forward>: moves history to the next selection item, emits indexSelected signal
//! - <update>: emits updateClicked signal to update OCAF tree model
void onActionClicked();
private:
//! Returns the previous index of history selection
QModelIndex getBackwardIndex();
//! Returns the next index of history selection
QModelIndex getForwardIndex();
//! Appends new history index, set it active, remove the first history index if the cache is out
//! of range \param theIndex a selected OCAF tree model index
void setForwardIndex(const QModelIndex& theIndex);
//! Updates enable state of backward/forward actions depending on the current item index
void updateActionsState();
//! Sets the current index and update actions state
//! \param theIndexId an item index, should be in range of history of indices
void setCurrentHistoryIndex(const int theIndexId);
private:
bool mySelectionProcessingBlocked; //!< if true, table view selection is started but has not been
//!< finished yet
QList<QModelIndex> myHistoryIndices; //!< cached selected OCAF tree model indices
int
myCurrentHistoryIndex; //!< an index of the current history selected index from myHistoryIndices
QWidget* myMainWindow; //!< parent widget for controls
QToolButton* myBackwardButton; //!< backward button, to select previous selected item
QToolButton* myForwardButton; //!< forward button, to select next selected item
QToolButton* myUpdateButton; //!< update button, like F5, to update OCAF tree model content
QTableView*
myTableView; //!< container of path values to selected item, a path value is a label entry
DFBrowser_SearchLine* mySearchLine; //!< line of search
};
#endif
|
