DbcTreeModel Class Reference

#include <dbc_tree_model.h>

Inheritance diagram for DbcTreeModel:

Public Types
enum	Column {   Name , CanId , PayloadLength , StartBit ,   BitLength , ByteOrder , Signed , Unit ,   Comment , ColumnCount }
	Display columns for frame and signal metadata. More...
enum	Role {   NodeTypeRole = Qt::UserRole + 1 , CanIdRole , PayloadLengthRole , StartBitRole ,   BitLengthRole , LittleEndianRole , SignedRole , UnitRole ,   CommentRole , ValueDescriptionsRole , ExtendedRole }
	Typed metadata roles in addition to Qt display roles. More...

Public Member Functions
	DbcTreeModel (QObject *parent=nullptr)
	Create an empty read-only model.
void	SetTree (std::unique_ptr< TreeNode > root)
	Replace the tree and invalidate indexes; reject roots with a parent or non-root type.
QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const override
	Return a child index; only column zero can have children.
QModelIndex	parent (const QModelIndex &child) const override
	Return the parent in column zero, or an invalid index for frames.
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
	Return the child count, capped at the Qt integer limit.
int	columnCount (const QModelIndex &parent=QModelIndex()) const override
	Return the fixed metadata column count for this model.
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
	Return display text or typed metadata for an index.
QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override
	Return horizontal display column titles.
Qt::ItemFlags	flags (const QModelIndex &index) const override
	Allow selecting and enabling valid indexes without editing.

Detailed Description

Read-only model. Owns an immutable tree; all indexes expire on SetTree(). Use QPersistentModelIndex to observe reset invalidation. Call on the model thread.

Definition at line 11 of file dbc_tree_model.h.

Member Enumeration Documentation

Column

enum DbcTreeModel::Column

Display columns for frame and signal metadata.

Definition at line 14 of file dbc_tree_model.h.

Role

enum DbcTreeModel::Role

Typed metadata roles in addition to Qt display roles.

Definition at line 26 of file dbc_tree_model.h.

Constructor & Destructor Documentation

DbcTreeModel()

DbcTreeModel::DbcTreeModel ( QObject *  parent = nullptr )

explicit

Create an empty read-only model.

Definition at line 25 of file dbc_tree_model.cpp.

Member Function Documentation

SetTree()

void DbcTreeModel::SetTree

(

std::unique_ptr< TreeNode >

root

)

Replace the tree and invalidate indexes; reject roots with a parent or non-root type.

Definition at line 27 of file dbc_tree_model.cpp.

index()

QModelIndex DbcTreeModel::index ( int  row, int  column, const QModelIndex &  parent = QModelIndex()  ) const

override

Return a child index; only column zero can have children.

Definition at line 42 of file dbc_tree_model.cpp.

References TreeNode::GetChild().

parent()

QModelIndex DbcTreeModel::parent ( const QModelIndex &  child ) const

override

Return the parent in column zero, or an invalid index for frames.

Definition at line 53 of file dbc_tree_model.cpp.

References TreeNode::GetParent(), and TreeNode::GetRow().

rowCount()

int DbcTreeModel::rowCount ( const QModelIndex &  parent = QModelIndex() ) const

override

Return the child count, capped at the Qt integer limit.

Definition at line 61 of file dbc_tree_model.cpp.

References TreeNode::GetChildCount().

columnCount()

int DbcTreeModel::columnCount ( const QModelIndex &  parent = QModelIndex() ) const

override

Return the fixed metadata column count for this model.

Definition at line 70 of file dbc_tree_model.cpp.

data()

QVariant DbcTreeModel::data ( const QModelIndex &  index, int  role = Qt::DisplayRole  ) const

override

Return display text or typed metadata for an index.

Definition at line 74 of file dbc_tree_model.cpp.

References FrameInfo::canId, FrameInfo::comment, SignalInfo::comment, FrameInfo::dlc, TreeNode::GetFrame(), TreeNode::GetName(), TreeNode::GetSignal(), TreeNode::GetType(), FrameInfo::isExtended, SignalInfo::isLittleEndian, SignalInfo::isSigned, SignalInfo::length, SignalInfo::startBit, SignalInfo::unit, and SignalInfo::valueDescriptions.

headerData()

QVariant DbcTreeModel::headerData ( int  section, Qt::Orientation  orientation, int  role = Qt::DisplayRole  ) const

override

Return horizontal display column titles.

Definition at line 138 of file dbc_tree_model.cpp.

flags()

Qt::ItemFlags DbcTreeModel::flags ( const QModelIndex &  index ) const

override

Allow selecting and enabling valid indexes without editing.

Definition at line 145 of file dbc_tree_model.cpp.

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The documentation for this class was generated from the following files:

• dbc_tree_model.h
• dbc_tree_model.cpp