UITableViewDataSource：
public
protocol UITableViewDataSource : NSObjectProtocol {
public
func tableView(tableView: UITableView, **numberOfRowsInSection** section: Int) -> Int
// Row display. Implementers should *always* try to reuse cells by setting each cell's reuseIdentifier and querying for available reusable cells with dequeueReusableCellWithIdentifier:
// Cell gets various attributes set automatically based on table (separators) and data source (accessory views, editing controls)
public
func tableView(tableView: UITableView, **cellForRowAtIndexPath** indexPath: NSIndexPath) -> UITableViewCell
optional
public
func numberOfSectionsInTableView(tableView: UITableView) -> Int
// Default is 1 if not implemented
optional
public
func tableView(tableView: UITableView, **titleForHeaderInSection** section: Int) -> String?
// fixed font style. use custom view (UILabel) if you want something different
optional
public
func tableView(tableView: UITableView, **titleForFooterInSection** section: Int) -> String?
// Editing
// Individual rows can opt out of having the -editing property set for them. If not implemented, all rows are assumed to be editable.
optional
public
func tableView(tableView: UITableView, **canEditRowAtIndexPath** indexPath: NSIndexPath) -> Bool
// Moving/reordering
// Allows the reorder accessory view to optionally be shown for a particular row. By default, the reorder control will be shown only if the datasource implements -tableView:moveRowAtIndexPath:toIndexPath:
optional
public
func tableView(tableView: UITableView, **canMoveRowAtIndexPath** indexPath: NSIndexPath) -> Bool
// Index
optional
public
func **sectionIndexTitlesForTableView**(tableView: UITableView) -> [String]?
// return list of section titles to display in section index view (e.g. "ABCD...Z#")
optional
public
func tableView(tableView: UITableView, **sectionForSectionIndexTitle** title: String, atIndex index: Int) -> Int
// tell table which section corresponds to section title/index (e.g. "B",1))
// Data manipulation - insert and delete support
// After a row has the minus or plus button invoked (based on the UITableViewCellEditingStyle for the cell), the dataSource must commit the change
// Not called for edit actions using UITableViewRowAction - the action's handler will be invoked instead
optional
public
func tableView(tableView: UITableView, **commitEditingStyle** editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath)
// Data manipulation - reorder / moving support
optional
public
func tableView(tableView: UITableView, **moveRowAtIndexPath** sourceIndexPath: NSIndexPath, toIndexPath destinationIndexPath: NSIndexPath)
}
UITableViewDelegate:
public
protocol UITableViewDelegate : NSObjectProtocol, UIScrollViewDelegate {
// Display customization
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **willDisplayCell** cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath)
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **willDisplayHeaderView** view: UIView, forSection section: Int)
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **willDisplayFooterView** view: UIView, forSection section: Int)
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **didEndDisplayingCell** cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath)
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **didEndDisplayingHeaderView** view: UIView, forSection section: Int)
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **didEndDisplayingFooterView** view: UIView, forSection section: Int)
// Variable height support
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **heightForRowAtIndexPath **indexPath: NSIndexPath) -> CGFloat
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **heightForHeaderInSection **section: Int) -> CGFloat
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **heightForFooterInSection **section: Int) -> CGFloat
// Use the estimatedHeight methods to quickly calcuate guessed values which will allow for fast load times of the table.
// If these methods are implemented, the above -tableView:heightForXXX calls will be deferred until views are ready to be displayed, so more expensive logic can be placed there.
@available(iOS 7.0, *)
optional
public
func tableView(tableView: UITableView, **estimatedHeightForRowAtIndexPath** indexPath: NSIndexPath) -> CGFloat
@available(iOS 7.0, *)
optional
public
func tableView(tableView: UITableView,
**estimatedHeightForHeaderInSection **
section: Int) -> CGFloat
@available(iOS 7.0, *)
optional
public
func tableView(tableView: UITableView, **estimatedHeightForFooterInSection **section: Int) -> CGFloat
// Section header & footer information. Views are preferred over title should you decide to provide both
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **viewForHeaderInSection **section: Int) -> UIView?
// custom view for header. will be adjusted to default or specified header height
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **viewForFooterInSection **section: Int) -> UIView?
// custom view for footer. will be adjusted to default or specified footer height
// Accessories (disclosures).
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **accessoryButtonTappedForRowWithIndexPath **indexPath: NSIndexPath)
// Selection
// -tableView:shouldHighlightRowAtIndexPath: is called when a touch comes down on a row.
// Returning NO to that message halts the selection process and does not cause the currently selected row to lose its selected look while the touch is down.
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **shouldHighlightRowAtIndexPath **indexPath: NSIndexPath) -> Bool
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView, **didHighlightRowAtIndexPath **indexPath: NSIndexPath)
@available(iOS 6.0, *)
optional
public
func tableView(tableView: UITableView,
**didUnhighlightRowAtIndexPath **
indexPath: NSIndexPath)
// Called before the user changes the selection. Return a new indexPath, or nil, to change the proposed selection.
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **willSelectRowAtIndexPath **indexPath: NSIndexPath) -> NSIndexPath?
@available(iOS 3.0, *)
optional
public
func tableView(tableView: UITableView, **willDeselectRowAtIndexPath **indexPath: NSIndexPath) -> NSIndexPath?
// Called after the user changes the selection.
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **didSelectRowAtIndexPath **indexPath: NSIndexPath)
@available(iOS 3.0, *)
optional
public
func tableView(tableView: UITableView, **didDeselectRowAtIndexPath **indexPath: NSIndexPath)
// Editing
// Allows customization of the editingStyle for a particular cell located at 'indexPath'. If not implemented, all editable cells will have UITableViewCellEditingStyleDelete set for them when the table has editing property set to YES.
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **editingStyleForRowAtIndexPath **indexPath: NSIndexPath) -> UITableViewCellEditingStyle
@available(iOS 3.0, *)
optional
public
func tableView(tableView: UITableView,
**titleForDeleteConfirmationButtonForRowAtIndexPath **
indexPath: NSIndexPath) -> String?
@available(iOS 8.0, *)
optional
public
func tableView(tableView: UITableView, **editActionsForRowAtIndexPath **indexPath: NSIndexPath) -> [UITableViewRowAction]?
// supercedes -tableView:titleForDeleteConfirmationButtonForRowAtIndexPath: if return value is non-nil
// Controls whether the background is indented while editing. If not implemented, the default is YES. This is unrelated to the indentation level below. This method only applies to grouped style table views.
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **shouldIndentWhileEditingRowAtIndexPath **indexPath: NSIndexPath) -> Bool
// The willBegin/didEnd methods are called whenever the 'editing' property is automatically changed by the table (allowing insert/delete/move). This is done by a swipe activating a single row
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **willBeginEditingRowAtIndexPath **indexPath: NSIndexPath)
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **didEndEditingRowAtIndexPath **indexPath: NSIndexPath)
// Moving/reordering
// Allows customization of the target row for a particular row as it is being moved/reordered
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **targetIndexPathForMoveFromRowAtIndexPath **sourceIndexPath: NSIndexPath, toProposedIndexPath proposedDestinationIndexPath: NSIndexPath) -> NSIndexPath
// Indentation
@available(iOS 2.0, *)
optional
public
func tableView(tableView: UITableView, **indentationLevelForRowAtIndexPath **indexPath: NSIndexPath) -> Int
// return 'depth' of row for hierarchies
// Copy/Paste. All three methods must be implemented by the delegate.
@available(iOS 5.0, *)
optional
public
func tableView(tableView: UITableView, **shouldShowMenuForRowAtIndexPath **indexPath: NSIndexPath) -> Bool
@available(iOS 5.0, *)
optional
public
func tableView(tableView: UITableView, canPerformAction action: Selector, **forRowAtIndexPath **indexPath: NSIndexPath, withSender sender: AnyObject?) -> Bool
@available(iOS 5.0, *)
optional
public
func tableView(tableView: UITableView, performAction action: Selector, **forRowAtIndexPath **indexPath: NSIndexPath, withSender sender: AnyObject?)
// Focus
@available(iOS 9.0, *)
optional
public
func tableView(tableView: UITableView, **canFocusRowAtIndexPath **indexPath: NSIndexPath) -> Bool
@available(iOS 9.0, *)
optional
public
func tableView(tableView: UITableView, **shouldUpdateFocusInContext **context: UITableViewFocusUpdateContext) -> Bool
@available(iOS 9.0, *)
optional
public
func tableView(tableView: UITableView, **didUpdateFocusInContext **context: UITableViewFocusUpdateContext, withAnimationCoordinator coordinator: UIFocusAnimationCoordinator)
@available(iOS 9.0, *)
optional
public
func **indexPathForPreferredFocusedViewInTableView**(tableView: UITableView) -> NSIndexPath?
}
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