com.marvinlabs.widget.floatinglabel.itempicker.ItemPicker Maven / Gradle / Ivy

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A set of input widgets to show a floating label when not empty.

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package com.marvinlabs.widget.floatinglabel.itempicker;

/**
 * Something that allows the user to pick one or more items. This could be a dialog, ...
 * 
 * Created by Vincent Mimoun-Prat @ MarvinLabs, 28/08/2014.
 *
 * @param  The type of item that can be picked
 */
public interface ItemPicker {

    /**
     * Get the unique ID for this picker
     * @return
     */
    public int getPickerId();

    /**
     * Set the items that are initially selected by the user
     *
     * @param itemIndices The indices of the selected items
     */
    public void setSelectedItems(int[] itemIndices);

    /**
     * Get the indices of the items currently selected
     *
     * @return an array of indices within the available items list
     */
    public int[] getSelectedIndices();

    /**
     * Returns true if no item has been picked
     *
     * @return
     */
    public boolean isSelectionEmpty();
}