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@ -122,23 +122,30 @@ private:
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GUIGroupList groups; ///< List of groups
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uint tiny_step_height; ///< Step height for the group list
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Scrollbar *group_sb;
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SmallVector<GroupID, 16> collapsed_groups; ///< List of collapsed groups
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SmallVector<GroupID, 16> collapsed_groups; ///< List of collapsed groups
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SmallVector<GroupID, 16> collapsable_groups; ///< List of collapsable groups
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SmallVector<int, 16> indents; ///< Indentation levels
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Dimension column_size[VGC_END]; ///< Size of the columns in the group list.
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void AddParents(GUIGroupList *source, GroupID parent, int indent)
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/** return true if group has children */
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bool AddParents(GUIGroupList *source, GroupID parent, int indent)
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{
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if (this->collapsed_groups.Contains(parent)) return;
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bool is_collapsed = this->collapsed_groups.Contains(parent);
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bool has_children = false;
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for (const Group **g = source->Begin(); g != source->End(); g++) {
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if ((*g)->parent == parent) {
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has_children = true;
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if (is_collapsed) return has_children;
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*this->groups.Append() = *g;
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*this->indents.Append() = indent;
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AddParents(source, (*g)->index, indent + 1);
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bool child_has_children = AddParents(source, (*g)->index, indent + 1);
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if (child_has_children) *this->collapsable_groups.Append() = (*g)->index;
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}
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}
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return has_children;
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}
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/** Sort the groups by their name */
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@ -185,6 +192,7 @@ private:
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this->groups.Clear();
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this->indents.Clear();
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this->collapsable_groups.Clear();
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GUIGroupList list;
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@ -544,7 +552,8 @@ public:
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this->GetWidget<NWidgetCore>(WID_GL_SORT_BY_DROPDOWN)->widget_data = this->vehicle_sorter_names[this->vehicles.SortType()];
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bool is_non_collapsable_group = (this->vli.index == ALL_GROUP) || (this->vli.index == DEFAULT_GROUP) || (this->vli.index == INVALID_GROUP);
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bool is_non_collapsable_group = (this->vli.index == ALL_GROUP) || (this->vli.index == DEFAULT_GROUP)
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|| (this->vli.index == INVALID_GROUP) || !this->collapsable_groups.Contains(this->vli.index);
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this->SetWidgetDisabledState(WID_GL_COLLAPSE_EXPAND_GROUP, is_non_collapsable_group);
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@ -558,6 +567,9 @@ public:
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collapse_widget->tool_tip = STR_GROUP_EXPAND_TOOLTIP;
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}
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this->SetWidgetDisabledState(WID_GL_EXPAND_ALL_GROUPS, this->collapsed_groups.Length() == 0);
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this->SetWidgetDisabledState(WID_GL_COLLAPSE_ALL_GROUPS, this->collapsable_groups.Length() == 0 || this->collapsed_groups.Length() == this->collapsable_groups.Length());
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this->DrawWidgets();
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}
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@ -710,7 +722,7 @@ public:
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this->collapsed_groups.Clear();
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for (const Group **group = this->groups.Begin(); group != this->groups.End(); ++group) {
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GroupID id = (*group)->index;
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if (id != ALL_GROUP && id != DEFAULT_GROUP && id != INVALID_GROUP) {
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if (id != ALL_GROUP && id != DEFAULT_GROUP && id != INVALID_GROUP && this->collapsable_groups.Contains(id)) {
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*this->collapsed_groups.Append() = id;
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}
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}
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