ITreeModel

Tree model.

Header:	#include <AUI/Model/ITreeModel.h>
CMake:	aui_link(my_target PUBLIC aui::core)

Detailed Description

ITreeModel is an interface to a tree data structure used for ATreeView.

Basic implementation of the tree model is available in ATreeModel.

Public fields and Signals

---

dataChanged

emits<ATreeModelIndex> dataChanged

Model data was changed

---

dataInserted

emits<ATreeModelIndex> dataInserted

Model data was added

Examples

examples/ui/views/src/DemoListModel.cpp

Views Example - All-in-one views building example.

}

void DemoListModel::addItem() {
    mListSize += 1;
    emit dataInserted(range({mListSize - 1}));
}

void DemoListModel::removeItem() {
    if (mListSize > 0) {
        mListSize -= 1;

---

dataRemoved

emits<ATreeModelIndex> dataRemoved

Model data about to remove

Examples

Public Methods

childrenCount

---

virtual size_t ITreeModel::childrenCount(const ATreeModelIndexOrRoot& vertex)

Count of children of the vertex.

Arguments

vertex

the vertex to determine the children count of

indexOfChild

---

virtual ATreeModelIndex ITreeModel::indexOfChild(size_t row, size_t column, const ATreeModelIndexOrRoot& vertex)

Creates valid ATreeModelIndex of the child.

Arguments

row

child row (index)

column

child column (typically 0)

vertex

vertex

Returns

The child of the parent index with specified row and column.

itemAt

---

virtual T ITreeModel::itemAt(const ATreeModelIndex& index)

value representation, used by ATreeView.

parent

---

virtual ATreeModelIndexOrRoot ITreeModel::parent(const ATreeModelIndex& vertex)

Creates index of parent vertex of the specified vertex.

Examples

examples/ui/views/tests/LayoutManagerTest.cpp

Views Example - All-in-one views building example.

 */
TEST_F(UILayoutManager, ButtonsAlignment) {
    // buttons column should be perfectly aligned
    By::name("Common button")
        .parent()
        .allChildren()
        .check(leftRightAligned(), "elements should be perfectly aligned");
}