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Add cargo filter support to vehicle list and tracerestrict slot windows

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Refactor out common code
This commit is contained in:
Jonathan G Rennison
2017-10-16 22:51:07 +01:00
parent 8d1d69d598
commit f3c95dd9a7
5 changed files with 148 additions and 92 deletions
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92
src/group_gui.cpp
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@@ -33,7 +33,7 @@
#include "table/sprites.h"
#include "safeguards.h"
#include "engine_gui.h"
//#include "engine_gui.h"
static const int LEVEL_WIDTH = 10; ///< Indenting width of a sub-group in pixels
@@ -104,34 +104,6 @@ static const NWidgetPart _nested_group_widgets[] = {
EndContainer(),
EndContainer(),
};
/** Special cargo filter criteria */
static const CargoID CF_ANY = CT_NO_REFIT; ///< Show all vehicles independent of carried cargo (i.e. no filtering)
static const CargoID CF_NONE = CT_INVALID; ///< Show only vehicles which do not carry cargo (e.g. train engines)
/** Cargo filter functions */
static bool CDECL CargoFilter(const Vehicle * const *vid, const CargoID cid)
{
if (cid == CF_ANY) {
return true;
} else if (cid == CF_NONE) {
for (const Vehicle *w = (*vid); w != NULL; w = w->Next()) {
if (w->cargo_cap > 0) {
return false;
}
}
return true;
} else {
for (const Vehicle *w = (*vid); w != NULL; w = w->Next()) {
if (w->cargo_cap > 0 && w->cargo_type == cid) {
return true;
}
}
return false;
}
}
static GUIVehicleList::FilterFunction * const _filter_funcs[] = {
&CargoFilter,
};
/** Sort the groups by their name */
int CDECL GroupNameSorter(const Group * const *a, const Group * const *b)
@@ -170,7 +142,6 @@ private:
VGC_END
};
VehicleID vehicle_sel; ///< Selected vehicle
GroupID group_sel; ///< Selected group (for drag/drop)
GroupID group_rename; ///< Group being renamed, INVALID_GROUP if none
GroupID group_over; ///< Group over which a vehicle is dragged, INVALID_GROUP if none
@@ -181,62 +152,11 @@ private:
SmallVector<GroupID, 16> all_groups; ///< List of all groups, including hidden ones
SmallVector<GroupID, 16> collapsed_groups; ///< List of collapsed groups
SmallVector<GroupID, 16> collapsable_groups; ///< List of collapsable groups
CargoID cargo_filter[NUM_CARGO + 2]; ///< Available cargo filters; CargoID or CF_ANY or CF_NONE
StringID cargo_filter_texts[NUM_CARGO + 3]; ///< Texts for filter_cargo, terminated by INVALID_STRING_ID
byte cargo_filter_criteria; ///< Selected cargo filter
SmallVector<int, 16> indents; ///< Indentation levels
Dimension column_size[VGC_END]; ///< Size of the columns in the group list.
/** Populate the filter list and set the cargo filter criteria. */
void SetCargoFilterArray()
{
uint filter_items = 0;
/* Add item for disabling filtering. */
this->cargo_filter[filter_items] = CF_ANY;
this->cargo_filter_texts[filter_items] = STR_PURCHASE_INFO_ALL_TYPES;
this->cargo_filter_criteria = filter_items;
filter_items++;
/* Add item for vehicles not carrying anything, e.g. train engines.
* This could also be useful for eyecandy vehicles of other types, but is likely too confusing for joe, */
this->cargo_filter[filter_items] = CF_NONE;
this->cargo_filter_texts[filter_items] = STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE;
filter_items++;
/* Collect available cargo types for filtering. */
const CargoSpec *cs;
FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
this->cargo_filter[filter_items] = cs->Index();
this->cargo_filter_texts[filter_items] = cs->name;
filter_items++;
}
/* Terminate the filter list. */
this->cargo_filter_texts[filter_items] = INVALID_STRING_ID;
this->vehicles.SetFilterFuncs(_filter_funcs);
this->vehicles.SetFilterState(this->cargo_filter[this->cargo_filter_criteria] != CF_ANY);
}
/** Filter the engine list against the currently selected cargo filter */
void FilterVehicleList()
{
this->vehicles.Filter(this->cargo_filter[this->cargo_filter_criteria]);
if (0 == this->vehicles.Length()) { // no engine passed through the filter, invalidate the previously selected engine
this->vehicle_sel = INVALID_VEHICLE;
}
else if (this->vehicle_sel != INVALID_VEHICLE && !this->vehicles.Contains(Vehicle::Get(this->vehicle_sel))) { // previously selected engine didn't pass the filter, select the first engine of the list
this->vehicle_sel = this->vehicles[0]->index;
}
}
void OnInit()
{
this->SetCargoFilterArray();
}
/** return true if group has children */
bool AddParents(GUIGroupList *source, GroupID parent, int indent, bool parent_collapsed)
{
@@ -448,7 +368,6 @@ public:
}
this->vli.index = ALL_GROUP;
this->vehicle_sel = INVALID_VEHICLE;
this->group_sel = INVALID_GROUP;
this->group_rename = INVALID_GROUP;
this->group_over = INVALID_GROUP;
@@ -609,7 +528,6 @@ public:
* else this->list will contain all vehicles which belong to the selected group */
this->BuildVehicleList();
this->SortVehicleList();
this->FilterVehicleList();
this->BuildGroupList(this->owner);
@@ -1019,13 +937,7 @@ public:
this->vehicles.SetSortType(index);
break;
case WID_GL_FILTER_BY_CARGO: // Select a cargo filter criteria
if (this->cargo_filter_criteria != index) {
this->cargo_filter_criteria = index;
/* deactivate filter if criteria is 'Show All', activate it otherwise */
this->vehicles.SetFilterState(this->cargo_filter[this->cargo_filter_criteria] != CF_ANY);
this->vehicles.SetFilterType(0);
this->vehicles.ForceRebuild();
}
this->SetCargoFilterIndex(index);
break;
case WID_GL_MANAGE_VEHICLES_DROPDOWN:
assert(this->ShouldShowActionDropdownList());