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Addded methods to propagate checks & refactored classes to use new methods.

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This commit is contained in:
Kevin Fischer
2021-09-17 08:50:24 -07:00
parent deefce7bb5
commit a4bac268c9
10 changed files with 132 additions and 161 deletions
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62
scene/gui/tree.cpp
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@@ -198,6 +198,65 @@ bool TreeItem::is_indeterminate(int p_column) const {
return cells[p_column].indeterminate;
}
void TreeItem::propagate_check(int p_column, bool p_emit_signal) {
bool ch = cells[p_column].checked;
if (p_emit_signal) {
tree->emit_signal("check_propagated_to_item", this, p_column);
}
_propagate_check_through_children(p_column, ch, p_emit_signal);
_propagate_check_through_parents(p_column, p_emit_signal);
}
void TreeItem::_propagate_check_through_children(int p_column, bool p_checked, bool p_emit_signal) {
TreeItem *current = get_first_child();
while (current) {
current->set_checked(p_column, p_checked);
if (p_emit_signal) {
current->tree->emit_signal("check_propagated_to_item", current, p_column);
}
current->_propagate_check_through_children(p_column, p_checked, p_emit_signal);
current = current->get_next();
}
}
void TreeItem::_propagate_check_through_parents(int p_column, bool p_emit_signal) {
TreeItem *current = get_parent();
if (!current) {
return;
}
bool all_unchecked_and_not_indeterminate = true;
bool any_unchecked_or_indeterminate = false;
TreeItem *child_item = current->get_first_child();
while (child_item) {
if (!child_item->is_checked(p_column)) {
any_unchecked_or_indeterminate = true;
if (child_item->is_indeterminate(p_column)) {
all_unchecked_and_not_indeterminate = false;
break;
}
} else {
all_unchecked_and_not_indeterminate = false;
}
child_item = child_item->get_next();
}
if (all_unchecked_and_not_indeterminate) {
current->set_checked(p_column, false);
} else if (any_unchecked_or_indeterminate) {
current->set_indeterminate(p_column, true);
} else {
current->set_checked(p_column, true);
}
if (p_emit_signal) {
current->tree->emit_signal("check_propagated_to_item", current, p_column);
}
current->_propagate_check_through_parents(p_column, p_emit_signal);
}
void TreeItem::set_text(int p_column, String p_text) {
ERR_FAIL_INDEX(p_column, cells.size());
cells.write[p_column].text = p_text;
@@ -1141,6 +1200,8 @@ void TreeItem::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_checked", "column"), &TreeItem::is_checked);
ClassDB::bind_method(D_METHOD("is_indeterminate", "column"), &TreeItem::is_indeterminate);
ClassDB::bind_method(D_METHOD("propagate_check", "column", "emit_signal"), &TreeItem::propagate_check, DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_text", "column", "text"), &TreeItem::set_text);
ClassDB::bind_method(D_METHOD("get_text", "column"), &TreeItem::get_text);
@@ -4848,6 +4909,7 @@ void Tree::_bind_methods() {
ADD_SIGNAL(MethodInfo("item_custom_button_pressed"));
ADD_SIGNAL(MethodInfo("item_double_clicked"));
ADD_SIGNAL(MethodInfo("item_collapsed", PropertyInfo(Variant::OBJECT, "item", PROPERTY_HINT_RESOURCE_TYPE, "TreeItem")));
ADD_SIGNAL(MethodInfo("check_propagated_to_item", PropertyInfo(Variant::OBJECT, "item", PROPERTY_HINT_RESOURCE_TYPE, "TreeItem"), PropertyInfo(Variant::INT, "column")));
//ADD_SIGNAL( MethodInfo("item_double_clicked" ) );
ADD_SIGNAL(MethodInfo("button_pressed", PropertyInfo(Variant::OBJECT, "item", PROPERTY_HINT_RESOURCE_TYPE, "TreeItem"), PropertyInfo(Variant::INT, "column"), PropertyInfo(Variant::INT, "id")));
ADD_SIGNAL(MethodInfo("custom_popup_edited", PropertyInfo(Variant::BOOL, "arrow_clicked")));