com.mobeta.android.dslv.ResourceDragSortCursorAdapter.java Source code

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Here is the source code for com.mobeta.android.dslv.ResourceDragSortCursorAdapter.java

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/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.mobeta.android.dslv;

import android.content.Context;
import android.database.Cursor;
import android.support.v4.widget.CursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

// taken from v4 rev. 10 ResourceCursorAdapter.java

/**
 * Static library support version of the framework's
 * {@link android.widget.ResourceCursorAdapter}. Used to write apps that run on
 * platforms prior to Android 3.0. When running on Android 3.0 or above, this
 * implementation is still used; it does not try to switch to the framework's
 * implementation. See the framework SDK documentation for a class overview.
 */
public abstract class ResourceDragSortCursorAdapter extends DragSortCursorAdapter {
    private int mLayout;

    private int mDropDownLayout;

    private final LayoutInflater mInflater;

    /**
     * Constructor the enables auto-requery.
     *
     * @deprecated This option is discouraged, as it results in Cursor queries
     *             being performed on the application's UI thread and thus can
     *             cause poor responsiveness or even Application Not Responding
     *             errors. As an alternative, use
     *             {@link android.app.LoaderManager} with a
     *             {@link android.content.CursorLoader}.
     *
     * @param context
     *            The context where the ListView associated with this adapter is
     *            running
     * @param layout
     *            resource identifier of a layout file that defines the views
     *            for this list item. Unless you override them later, this will
     *            define both the item views and the drop down views.
     */
    @Deprecated
    public ResourceDragSortCursorAdapter(final Context context, final int layout, final Cursor c) {
        super(context, c);
        this.mLayout = this.mDropDownLayout = layout;
        this.mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    /**
     * Constructor with default behavior as per
     * {@link CursorAdapter#CursorAdapter(Context, Cursor, boolean)}; it is
     * recommended you not use this, but instead
     * {@link #ResourceCursorAdapter(Context, int, Cursor, int)}. When using
     * this constructor, {@link #FLAG_REGISTER_CONTENT_OBSERVER} will always be
     * set.
     *
     * @param context
     *            The context where the ListView associated with this adapter is
     *            running
     * @param layout
     *            resource identifier of a layout file that defines the views
     *            for this list item. Unless you override them later, this will
     *            define both the item views and the drop down views.
     * @param c
     *            The cursor from which to get the data.
     * @param autoRequery
     *            If true the adapter will call requery() on the cursor whenever
     *            it changes so the most recent data is always displayed. Using
     *            true here is discouraged.
     */
    public ResourceDragSortCursorAdapter(final Context context, final int layout, final Cursor c,
            final boolean autoRequery) {
        super(context, c, autoRequery);
        this.mLayout = this.mDropDownLayout = layout;
        this.mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    /**
     * Standard constructor.
     *
     * @param context
     *            The context where the ListView associated with this adapter is
     *            running
     * @param layout
     *            Resource identifier of a layout file that defines the views
     *            for this list item. Unless you override them later, this will
     *            define both the item views and the drop down views.
     * @param c
     *            The cursor from which to get the data.
     * @param flags
     *            Flags used to determine the behavior of the adapter, as per
     *            {@link CursorAdapter#CursorAdapter(Context, Cursor, int)}.
     */
    public ResourceDragSortCursorAdapter(final Context context, final int layout, final Cursor c, final int flags) {
        super(context, c, flags);
        this.mLayout = this.mDropDownLayout = layout;
        this.mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    /**
     * Inflates view(s) from the specified XML file.
     *
     * @see android.widget.CursorAdapter#newView(android.content.Context,
     *      android.database.Cursor, ViewGroup)
     */
    @Override
    public View newView(final Context context, final Cursor cursor, final ViewGroup parent) {
        return this.mInflater.inflate(this.mLayout, parent, false);
    }

    @Override
    public View newDropDownView(final Context context, final Cursor cursor, final ViewGroup parent) {
        return this.mInflater.inflate(this.mDropDownLayout, parent, false);
    }

    /**
     * <p>
     * Sets the layout resource of the item views.
     * </p>
     *
     * @param layout
     *            the layout resources used to create item views
     */
    public void setViewResource(final int layout) {
        this.mLayout = layout;
    }

    /**
     * <p>
     * Sets the layout resource of the drop down views.
     * </p>
     *
     * @param dropDownLayout
     *            the layout resources used to create drop down views
     */
    public void setDropDownViewResource(final int dropDownLayout) {
        this.mDropDownLayout = dropDownLayout;
    }
}