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package com.explodingpixels.macwidgets;
/**
* An interface for listening to changes in a {@link SourceListModel}.
*/
public interface SourceListModelListener {
/**
* Called when a category is adeded.
*
* @param category the category that was removed.
* @param index the index at which the category was added.
*/
void categoryAdded(SourceListCategory category, int index);
/**
* Called when a category is removed.
*
* @param category the category that was removed.
*/
void categoryRemoved(SourceListCategory category);
/**
* Called when an item is added to a category.
*
* @param itemAdded the item that was added.
* @param category the category that the item was added to.
* @param index the index at which the category was added.
*/
void itemAddedToCategory(SourceListItem itemAdded, SourceListCategory category, int index);
/**
* Called when an item is removed from a category.
*
* @param itemRemoved the item that was removed.
* @param category the category that the item was removed from.
*/
void itemRemovedFromCategory(SourceListItem itemRemoved, SourceListCategory category);
/**
* Called when an item is added to another item.
*
* @param itemAdded the item that was added.
* @param parentItem the item that the child item was added to.
* @param index the index at which the category was added.
*/
void itemAddedToItem(SourceListItem itemAdded, SourceListItem parentItem, int index);
/**
* Called when an item is removed from another item.
*
* @param itemRemoved the item that was removed.
* @param parentItem the item that the child item was removed from.
*/
void itemRemovedFromItem(SourceListItem itemRemoved, SourceListItem parentItem);
/**
* Called when an item's content changes (e.g. text, icon etc.).
*
* @param item the item that was changed.
*/
void itemChanged(SourceListItem item);
}
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