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GTreeView: Remove test model I was using during bringup.

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This commit is contained in:
Andreas Kling 2019-03-30 03:49:39 +01:00
parent a92710ce3f
commit 4506e3a085
1 changed files with 0 additions and 87 deletions
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87
LibGUI/GTreeView.cpp
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@ -4,95 +4,10 @@
//#define DEBUG_ITEM_RECTS
struct Node {
String text;
Node* parent { nullptr };
Vector<Node*> children;
};
class TestModel : public GModel {
public:
static Retained<TestModel> create() { return adopt(*new TestModel); }
TestModel();
virtual int row_count(const GModelIndex& = GModelIndex()) const override;
virtual int column_count(const GModelIndex& = GModelIndex()) const override;
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual void update() override;
virtual GModelIndex index(int row, int column = 0, const GModelIndex& parent = GModelIndex()) const override;
virtual ColumnMetadata column_metadata(int) const override{ return { 100 }; }
Node* m_root { nullptr };
};
Node* make_little_tree(int depth, Node* parent)
{
static int next_id = 0;
Node* node = new Node;
node->text = String::format("Node #%d", next_id++);
node->parent = parent;
if (depth)
node->children.append(make_little_tree(depth - 1, node));
return node;
}
GModelIndex TestModel::index(int row, int column, const GModelIndex& parent) const
{
if (!parent.is_valid())
return create_index(row, column, m_root);
auto& node = *(Node*)parent.internal_data();
return create_index(row, column, node.children[row]);
}
TestModel::TestModel()
{
m_root = new Node;
m_root->text = "Root";
m_root->children.append(make_little_tree(3, m_root));
m_root->children.append(make_little_tree(2, m_root));
m_root->children.append(make_little_tree(1, m_root));
}
int TestModel::row_count(const GModelIndex& index) const
{
if (!index.is_valid())
return 1;
auto& node = *(const Node*)index.internal_data();
return node.children.size();
}
int TestModel::column_count(const GModelIndex&) const
{
return 1;
}
void TestModel::update()
{
}
GVariant TestModel::data(const GModelIndex& index, Role role) const
{
if (!index.is_valid())
return { };
auto& node = *(const Node*)index.internal_data();
if (role == GModel::Role::Display) {
return node.text;
}
if (role == GModel::Role::Icon) {
if (node.children.is_empty())
return GIcon::default_icon("filetype-unknown");
return GIcon::default_icon("filetype-folder");
}
return { };
}
struct GTreeView::MetadataForIndex {
bool open { false };
};
GTreeView::MetadataForIndex& GTreeView::ensure_metadata_for_index(const GModelIndex& index) const
{
ASSERT(index.is_valid());
@ -112,8 +27,6 @@ GTreeView::GTreeView(GWidget* parent)
set_frame_shadow(GFrame::Shadow::Sunken);
set_frame_thickness(2);
set_model(TestModel::create());
m_expand_bitmap = GraphicsBitmap::load_from_file("/res/icons/treeview-expand.png");
m_collapse_bitmap = GraphicsBitmap::load_from_file("/res/icons/treeview-collapse.png");
}