TableView.c File Reference

#include <assert.h>
#include <string.h>
#include <Objectively/String.h>
#include "TableView.h"

Go to the source code of this file.

Macros
#define	_Class   _TableView

Functions
Class *	_TableView (void)
static void	addColumn (TableView *self, TableColumn *column)
static void	addColumnWithIdentifier (TableView *self, const char *identifier)
static void	awakeWithDictionary (View *self, const Dictionary *dictionary)
static void	awakeWithDictionary_columns (const Array *array, ident obj, ident data)
	ArrayEnumerator for awaking TableColumns.
static bool	captureEvent (Control *self, const SDL_Event *event)
static TableColumn *	columnAtPoint (const TableView *self, const SDL_Point *point)
static TableColumn *	columnWithIdentifier (const TableView *self, const char *identifier)
static void	dealloc (Object *self)
static void	deselectAll (TableView *self)
static void	deselectAll_enumerate (const Array *array, ident obj, ident data)
	ArrayEnumerator for all Row deselection.
static void	deselectRowAtIndex (TableView *self, size_t index)
static void	deselectRowsAtIndexes (TableView *self, const IndexSet *indexes)
static View *	init (View *self)
static void	initialize (Class *clazz)
static TableView *	initWithFrame (TableView *self, const SDL_Rect *frame)
static void	layoutSubviews (View *self)
static SDL_Size	naturalSize (const TableView *self)
static void	reloadData (TableView *self)
static void	reloadData_removeRows (const Array *array, ident obj, ident data)
	ArrayEnumerator to remove TableRowViews from the table's contentView.
static void	removeColumn (TableView *self, TableColumn *column)
static ssize_t	rowAtPoint (const TableView *self, const SDL_Point *point)
static void	selectAll (TableView *self)
static void	selectAll_enumerate (const Array *array, ident obj, ident data)
	ArrayEnumerator for all row selection.
static IndexSet *	selectedRowIndexes (const TableView *self)
static void	selectRowAtIndex (TableView *self, size_t index)
static void	selectRowsAtIndexes (TableView *self, const IndexSet *indexes)
static void	setSortColumn (TableView *self, TableColumn *column)
static SDL_Size	sizeThatFits (const View *self)

Macro Definition Documentation

_Class

#define _Class   _TableView

Definition at line 31 of file TableView.c.

Function Documentation

_TableView()

Class * _TableView

(

void

)

Definition at line 614 of file TableView.c.

                        {
  static Class *clazz;
  static Once once;
 
  do_once(&once, {
    clazz = _initialize(&(const ClassDef) {
      .name = "TableView",
      .superclass = _Control(),
      .instanceSize = sizeof(TableView),
      .interfaceOffset = offsetof(TableView, interface),
      .interfaceSize = sizeof(TableViewInterface),
      .initialize = initialize,
    });
  });
 
  return clazz;
}

addColumn()

static void addColumn ( TableView *  self, TableColumn *  column  )

static

Definition at line 218 of file TableView.c.

                                                            {
 
  assert(column);
 
  $(self->columns, addObject, column);
 
  $((TableRowView *) self->headerView, addCell, (TableCellView *) column->headerCell);
}

addColumnWithIdentifier()

static void addColumnWithIdentifier ( TableView *  self, const char *  identifier  )

static

Definition at line 231 of file TableView.c.

                                                                             {
 
  TableColumn *column = $(alloc(TableColumn), initWithIdentifier, identifier);
  assert(column);
 
  $(self, addColumn, column);
 
  release(column);
}

awakeWithDictionary()

static void awakeWithDictionary ( View *  self, const Dictionary *  dictionary  )

static

See also

View::awakeWithDictionary(View *, const Dictionary *)

Definition at line 74 of file TableView.c.

                                                                          {
 
  super(View, self, awakeWithDictionary, dictionary);
 
  const Array *columns = $(dictionary, objectForKeyPath, "columns");
  if (columns) {
    $(columns, enumerate, awakeWithDictionary_columns, self);
  }
}

awakeWithDictionary_columns()

static void awakeWithDictionary_columns ( const Array *  array, ident  obj, ident  data  )

static

ArrayEnumerator for awaking TableColumns.

Definition at line 58 of file TableView.c.

                                                                                   {
 
  const String *identifier = $((Dictionary *) obj, objectForKeyPath, "identifier");
  assert(identifier);
 
  TableColumn *column = $(alloc(TableColumn), initWithIdentifier, identifier->chars);
  assert(column);
 
  $((TableView *) data, addColumn, column);
 
  release(column);
}

captureEvent()

static bool captureEvent ( Control *  self, const SDL_Event *  event  )

static

See also

Control::captureEvent(Control *, const SDL_Event *)

Definition at line 135 of file TableView.c.

                                                                {
 
  TableView *this = (TableView *) self;
 
  if (event->type == SDL_EVENT_MOUSE_BUTTON_UP) {
 
    if ($((View *) this->headerView, didReceiveEvent, event)) {
 
      const SDL_Point point = {
        .x = event->button.x,
        .y = event->button.y
      };
 
      TableColumn *column = $(this, columnAtPoint, &point);
      if (column) {
        $(this, setSortColumn, column);
      }
 
      return true;
    }
 
    if ($((Control *) this->scrollView, isHighlighted) == false) {
      if ($((View *) this->contentView, didReceiveEvent, event)) {
 
        const SDL_Point point = {
          .x = event->button.x,
          .y = event->button.y
        };
 
        const ssize_t index = $(this, rowAtPoint, &point);
 
        const Array *rows = (Array *) this->rows;
        if (index > -1 && index < (ssize_t) rows->count) {
 
          TableRowView *row = $(rows, objectAtIndex, index);
 
          switch (this->control.selection) {
            case ControlSelectionNone:
              break;
            case ControlSelectionSingle:
              if (row->isSelected == false) {
                $(this, deselectAll);
                $(this, selectRowAtIndex, index);
              }
              break;
            case ControlSelectionMultiple:
              if (SDL_GetModState() & (SDL_KMOD_CTRL | SDL_KMOD_GUI)) {
                if (row->isSelected) {
                  $(this, deselectRowAtIndex, index);
                } else {
                  $(this, selectRowAtIndex, index);
                }
              } else {
                $(this, deselectAll);
                $(this, selectRowAtIndex, index);
              }
              break;
          }
 
          if (this->delegate.didSelectRowsAtIndexes) {
            IndexSet *selectedRowIndexes = $(this, selectedRowIndexes);
 
            this->delegate.didSelectRowsAtIndexes(this, selectedRowIndexes);
 
            release(selectedRowIndexes);
          }
        }
 
        return true;
      }
    }
  }
 
  return super(Control, self, captureEvent, event);
}

columnAtPoint()

static TableColumn * columnAtPoint ( const TableView *  self, const SDL_Point *  point  )

static

Definition at line 245 of file TableView.c.

                                                                                 {
 
  const SDL_Rect frame = $((View *) self, renderFrame);
  if (SDL_PointInRect(point, &frame)) {
 
    const Array *cells = (Array *) self->headerView->tableRowView.cells;
    const Array *columns = (Array *) self->columns;
 
    assert(cells->count == columns->count);
 
    for (size_t i = 0; i < cells->count; i++) {
 
      const View *cell = $(cells, objectAtIndex, i);
      const SDL_Rect renderFrame = $(cell, renderFrame);
 
      if (renderFrame.x + renderFrame.w >= point->x) {
        return $(columns, objectAtIndex, i);
      }
    }
  }
 
  return NULL;
}

columnWithIdentifier()

static TableColumn * columnWithIdentifier ( const TableView *  self, const char *  identifier  )

static

Definition at line 273 of file TableView.c.

                                                                                        {
 
  assert(identifier);
 
  const Array *columns = (Array *) self->columns;
  for (size_t i = 0; i < columns->count; i++) {
 
    TableColumn *column = $(columns, objectAtIndex, i);
    if (strcmp(identifier, column->identifier) == 0) {
      return column;
    }
  }
 
  return NULL;
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 38 of file TableView.c.

                                  {
 
  TableView *this = (TableView *) self;
 
  memset(&this->delegate, 0, sizeof(this->delegate));
 
  release(this->columns);
  release(this->contentView);
  release(this->headerView);
  release(this->rows);
  release(this->scrollView);
 
  super(Object, self, dealloc);
}

deselectAll()

static void deselectAll ( TableView *  self )

static

Definition at line 300 of file TableView.c.

                                         {
  $((Array *) self->rows, enumerate, deselectAll_enumerate, NULL);
}

deselectAll_enumerate()

static void deselectAll_enumerate ( const Array *  array, ident  obj, ident  data  )

static

ArrayEnumerator for all Row deselection.

Definition at line 292 of file TableView.c.

                                                                             {
  $((TableRowView *) obj, setSelected, false);
}

deselectRowAtIndex()

static void deselectRowAtIndex ( TableView *  self, size_t  index  )

static

Definition at line 308 of file TableView.c.

                                                              {
 
  const Array *rows = (Array *) self->rows;
  if (index < rows->count) {
 
    TableRowView *row = $(rows, objectAtIndex, index);
    $(row, setSelected, false);
  }
}

deselectRowsAtIndexes()

static void deselectRowsAtIndexes ( TableView *  self, const IndexSet *  indexes  )

static

Definition at line 322 of file TableView.c.

                                                                            {
 
  if (indexes) {
    for (size_t i = 0; i < indexes->count; i++) {
      $(self, deselectRowAtIndex, indexes->indexes[i]);
    }
  }
}

init()

static View * init ( View *  self )

static

See also

View::init(View *)

Definition at line 87 of file TableView.c.

                              {
  return (View *) $((TableView *) self, initWithFrame, NULL);
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 580 of file TableView.c.

                                     {
 
  ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
 
  ((ViewInterface *) clazz->interface)->awakeWithDictionary = awakeWithDictionary;
  ((ViewInterface *) clazz->interface)->init = init;
  ((ViewInterface *) clazz->interface)->layoutSubviews = layoutSubviews;
  ((ViewInterface *) clazz->interface)->sizeThatFits = sizeThatFits;
 
  ((ControlInterface *) clazz->interface)->captureEvent = captureEvent;
 
  ((TableViewInterface *) clazz->interface)->addColumn = addColumn;
  ((TableViewInterface *) clazz->interface)->addColumnWithIdentifier = addColumnWithIdentifier;
  ((TableViewInterface *) clazz->interface)->columnAtPoint = columnAtPoint;
  ((TableViewInterface *) clazz->interface)->columnWithIdentifier = columnWithIdentifier;
  ((TableViewInterface *) clazz->interface)->deselectAll = deselectAll;
  ((TableViewInterface *) clazz->interface)->deselectRowAtIndex = deselectRowAtIndex;
  ((TableViewInterface *) clazz->interface)->deselectRowsAtIndexes = deselectRowsAtIndexes;
  ((TableViewInterface *) clazz->interface)->initWithFrame = initWithFrame;
  ((TableViewInterface *) clazz->interface)->naturalSize = naturalSize;
  ((TableViewInterface *) clazz->interface)->reloadData = reloadData;
  ((TableViewInterface *) clazz->interface)->removeColumn = removeColumn;
  ((TableViewInterface *) clazz->interface)->rowAtPoint = rowAtPoint;
  ((TableViewInterface *) clazz->interface)->selectedRowIndexes = selectedRowIndexes;
  ((TableViewInterface *) clazz->interface)->selectAll = selectAll;
  ((TableViewInterface *) clazz->interface)->selectRowAtIndex = selectRowAtIndex;
  ((TableViewInterface *) clazz->interface)->selectRowsAtIndexes = selectRowsAtIndexes;
  ((TableViewInterface *) clazz->interface)->setSortColumn = setSortColumn;
}

initWithFrame()

static TableView * initWithFrame ( TableView *  self, const SDL_Rect *  frame  )

static

Definition at line 335 of file TableView.c.

                                                                        {
 
  self = (TableView *) super(Control, self, initWithFrame, frame);
  if (self) {
    self->columns = $$(Array, array);
    assert(self->columns);
 
    self->rows = $$(Array, array);
    assert(self->rows);
 
    self->headerView = $(alloc(TableHeaderView), initWithTableView, self);
    assert(self->headerView);
 
    $((View *) self, addSubview, (View *) self->headerView);
 
    self->contentView = $(alloc(StackView), initWithFrame, NULL);
    assert(self->contentView);
 
    $((View *) self->contentView, addClassName, "contentView");
 
    self->scrollView = $(alloc(ScrollView), initWithFrame, NULL);
    assert(self->scrollView);
 
    $(self->scrollView, setContentView, (View *) self->contentView);
 
    $((View *) self, addSubview, (View *) self->scrollView);
  }
 
  return self;
}

layoutSubviews()

static void layoutSubviews ( View *  self )

static

See also

View::layoutSubviews(View *)

Definition at line 94 of file TableView.c.

                                       {
 
  super(View, self, layoutSubviews);
 
  TableView *this = (TableView *) self;
 
  View *scrollView = (View *) this->scrollView;
  View *headerView = (View *) this->headerView;
 
  SDL_Rect frame = $(self, bounds);
 
  if (headerView->hidden == false) {
 
    const SDL_Size size = $(headerView, sizeThatFits);
 
    frame.y += size.h;
    frame.h -= size.h;
  }
 
  scrollView->frame = frame;
  scrollView->needsLayout = true;
 
  $(scrollView, layoutIfNeeded);
}

naturalSize()

static SDL_Size naturalSize ( const TableView *  self )

static

Definition at line 370 of file TableView.c.

                                                   {
 
  const SDL_Size headerSize = $((View *) self->headerView, sizeThatFits);
  const SDL_Size contentSize = $((View *) self->contentView, sizeThatFits);
 
  SDL_Size size = MakeSize(max(headerSize.w, contentSize.w), headerSize.h + contentSize.h);
 
  View *this = (View *) self;
 
  size.w += this->padding.left + this->padding.right;
  size.h += this->padding.top + this->padding.bottom;
 
  return size;
}

reloadData()

static void reloadData ( TableView *  self )

static

Definition at line 396 of file TableView.c.

                                        {
 
  assert(self->dataSource.numberOfRows);
  assert(self->delegate.cellForColumnAndRow);
 
  $(self->rows, removeAllObjectsWithEnumerator, reloadData_removeRows, self->contentView);
 
  TableRowView *headerView = (TableRowView *) self->headerView;
  $(headerView, removeAllCells);
 
  const Array *columns = (Array *) self->columns;
  for (size_t i = 0; i < columns->count; i++) {
 
    const TableColumn *column = $(columns, objectAtIndex, i);
    $(headerView, addCell, (TableCellView *) column->headerCell);
  }
 
  const size_t numberOfRows = self->dataSource.numberOfRows(self);
  for (size_t i = 0; i < numberOfRows; i++) {
 
    TableRowView *row = $(alloc(TableRowView), initWithTableView, self);
    assert(row);
 
    for (size_t j = 0; j < columns->count; j++) {
      const TableColumn *column = $(columns, objectAtIndex, j);
 
      TableCellView *cell = self->delegate.cellForColumnAndRow(self, column, i);
      assert(cell);
 
      cell->view.identifier = strdup(column->identifier);
 
      $(row, addCell, cell);
      release(cell);
    }
 
    $(self->rows, addObject, row);
    release(row);
 
    $((View *) self->contentView, addSubview, (View *) row);
  }
 
  self->control.view.needsLayout = true;
}

reloadData_removeRows()

static void reloadData_removeRows ( const Array *  array, ident  obj, ident  data  )

static

ArrayEnumerator to remove TableRowViews from the table's contentView.

Definition at line 388 of file TableView.c.

                                                                             {
  $((View *) data, removeSubview, (View *) obj);
}

removeColumn()

static void removeColumn ( TableView *  self, TableColumn *  column  )

static

Definition at line 444 of file TableView.c.

                                                               {
 
  assert(column);
 
  if (self->sortColumn == column) {
    self->sortColumn->order = OrderSame;
    self->sortColumn = NULL;
  }
 
  $(self->columns, removeObject, column);
 
  $((TableRowView *) self->headerView, removeCell, (TableCellView *) column->headerCell);
}

rowAtPoint()

static ssize_t rowAtPoint ( const TableView *  self, const SDL_Point *  point  )

static

Definition at line 462 of file TableView.c.

                                                                         {
 
  const SDL_Rect scrollFrame = $((View *) self->scrollView, renderFrame);
  if (SDL_PointInRect(point, &scrollFrame)) {
 
    const Array *rows = (Array *) self->rows;
    for (size_t i = 0; i < rows->count; i++) {
 
      const View *row = $(rows, objectAtIndex, i);
      if ($(row, containsPoint, point)) {
        return i;
      }
    }
  }
 
  return -1;
}

selectAll()

static void selectAll ( TableView *  self )

static

Definition at line 491 of file TableView.c.

                                       {
  $((Array *) self->rows, enumerate, selectAll_enumerate, NULL);
}

selectAll_enumerate()

static void selectAll_enumerate ( const Array *  array, ident  obj, ident  data  )

static

ArrayEnumerator for all row selection.

Definition at line 483 of file TableView.c.

                                                                           {
  $((TableRowView *) obj, setSelected, true);
}

selectedRowIndexes()

static IndexSet * selectedRowIndexes ( const TableView *  self )

static

Definition at line 499 of file TableView.c.

                                                           {
 
  size_t indexes[self->rows->count];
  size_t count = 0;
 
  const Array *rows = (Array *) self->rows;
  for (size_t i = 0; i < rows->count; i++) {
 
    const TableRowView *row = $(rows, objectAtIndex, i);
    if (row->isSelected) {
      indexes[count++] = i;
    }
  }
 
  return $(alloc(IndexSet), initWithIndexes, indexes, count);
}

selectRowAtIndex()

static void selectRowAtIndex ( TableView *  self, size_t  index  )

static

Definition at line 520 of file TableView.c.

                                                            {
 
  const Array *rows = (Array *) self->rows;
  if (index < rows->count) {
 
    TableRowView *row = $(rows, objectAtIndex, index);
    if (!row->isSelected) {
      $(row, setSelected, true);
    }
  }
}

selectRowsAtIndexes()

static void selectRowsAtIndexes ( TableView *  self, const IndexSet *  indexes  )

static

Definition at line 536 of file TableView.c.

                                                                          {
 
  if (indexes) {
    for (size_t i = 0; i < indexes->count; i++) {
      $(self, selectRowAtIndex, indexes->indexes[i]);
    }
  }
}

setSortColumn()

static void setSortColumn ( TableView *  self, TableColumn *  column  )

static

Definition at line 549 of file TableView.c.

                                                                {
 
  if (self->sortColumn != column) {
 
    if (self->sortColumn) {
      self->sortColumn->order = OrderSame;
      self->sortColumn = NULL;
    }
 
    if (column) {
      assert($((Array *) self->columns, containsObject, column));
 
      self->sortColumn = column;
      self->sortColumn->order = OrderAscending;
    }
  } else {
    if (self->sortColumn) {
      self->sortColumn->order = (Order) -self->sortColumn->order;
    }
  }
 
  if (self->delegate.didSetSortColumn) {
    self->delegate.didSetSortColumn(self);
  }
}

sizeThatFits()

static SDL_Size sizeThatFits ( const View *  self )

static

See also

View::sizeThatFits(const View *)

Definition at line 122 of file TableView.c.

                                               {
 
  const TableView *this = (TableView *) self;
 
  return $(this, naturalSize);
}