Package com.iizix.prop.content
Interface IContentProviderAPI<ITEM extends IContentItem,ITEM_CONTENT extends IContentData<ITEM>>
- All Superinterfaces:
IContentProvider<ITEM,ITEM_CONTENT>
- All Known Subinterfaces:
IMListContentProviderAPI
- All Known Implementing Classes:
AbstractContentProvider
,MapMarkerContentProvider
,MLContentProvider
public interface IContentProviderAPI<ITEM extends IContentItem,ITEM_CONTENT extends IContentData<ITEM>> extends IContentProvider<ITEM,ITEM_CONTENT>
Extends the generic interface of content providing with an API to add/remove items by means of API. The method to change the items will throw exceptions if not enabled for API, e.g. when a connection to VirtualSpace is present.- Author:
- Christopher Mindus
Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description void
add(int index, ITEM_CONTENT item)
Inserts a new item before the specified index.default void
add(ITEM_CONTENT item)
Adds a new item to the end of the list.java.lang.String
clearSelection()
Clear the selection.ITEM_CONTENT
get(int index)
Gets an item at the specified index.ITEM_CONTENT[]
getAll()
Gets all items.int
getFirstSelectedIndex()
Gets the first selected index.int[]
getSelectedIndicies()
Gets the selected indicies.int
indexOf(ITEM_CONTENT item)
Returns the index of an item.void
onSelectionChanged(ITEM_CONTENT item, boolean isSelected)
Called from the items when they are selected or unselected from theirsetSelection(boolean)
method.ITEM_CONTENT
remove(int index)
Removes an item at the specified index.boolean
remove(ITEM_CONTENT item)
Removes an item.boolean
removeAll()
Removes all items.java.lang.String
setSelection(int index)
Sets the selection as a single selected item at specified index.java.lang.String
setSelection(int[] indicies)
Sets the selection to the specified indicies.Methods inherited from interface com.iizix.prop.content.IContentProvider
beginChanges, canModifyWithAPI, commitChanges, dispose, getItemCount, getItemsContainer, initialize, onAdded, onRemoved, onSelectionTypeChanged, reinitialize, updateContents
Method Detail
add
default void add(ITEM_CONTENT item)
Adds a new item to the end of the list. Duplicates are not allowed.- Parameters:
item
- The item to insert.
add
void add(int index, ITEM_CONTENT item)
Inserts a new item before the specified index. Duplicates are not allowed.- Parameters:
index
- The insertion point index, -1 for last.item
- The item to insert.- Throws:
java.lang.IndexOutOfBoundsException
- If the index is not valid.
remove
ITEM_CONTENT remove(int index)
Removes an item at the specified index.- Parameters:
index
- The item to remove.- Returns:
- The removed item.
- Throws:
java.lang.IndexOutOfBoundsException
- If the index is not valid.
remove
boolean remove(ITEM_CONTENT item)
Removes an item.- Parameters:
item
- The item to remove.- Returns:
- true for success, false if not found.
removeAll
boolean removeAll()
Removes all items.- Returns:
- true for changed, false when no items were present.
get
ITEM_CONTENT get(int index)
Gets an item at the specified index.- Parameters:
index
- The index of the item.- Returns:
- The item.
- Throws:
java.lang.IndexOutOfBoundsException
- If the index is not valid.
getAll
ITEM_CONTENT[] getAll()
Gets all items.- Specified by:
getAll
in interfaceIContentProvider<ITEM extends IContentItem,ITEM_CONTENT extends IContentData<ITEM>>
- Returns:
- The array of items.
indexOf
int indexOf(ITEM_CONTENT item)
Returns the index of an item.- Parameters:
item
- The item to look-up.- Returns:
- The index of the item, or -1 if not found.
getFirstSelectedIndex
int getFirstSelectedIndex()
Gets the first selected index.- Returns:
- The first index in the current selection, or -1 for none.
getSelectedIndicies
int[] getSelectedIndicies()
Gets the selected indicies.- Returns:
- A new array of the selected indices (that may be modified to your liking), or a static zero in length array for no selection.
setSelection
java.lang.String setSelection(int index)
Sets the selection as a single selected item at specified index.- Parameters:
index
- The single item to select at index, -1 to clear the selection.- Returns:
- null for success, otherwise an error message why the selection failed.
setSelection
java.lang.String setSelection(int[] indicies)
Sets the selection to the specified indicies.- Parameters:
indicies
- The indicies.- Returns:
- null for success, otherwise the error message with the reason why it failed.
clearSelection
java.lang.String clearSelection()
Clear the selection.
onSelectionChanged
void onSelectionChanged(ITEM_CONTENT item, boolean isSelected)
Called from the items when they are selected or unselected from theirsetSelection(boolean)
method.The method is NOT intended to be called.
- Parameters:
item
- The item who's selection changed.isSelected
- The new selection state.