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/*
* Copyright (C) 2006 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 android.widget;
import android.content.Context;
import android.database.Cursor;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
/**
* A fairly simple ExpandableListAdapter that creates views defined in an XML
* file. You can specify the XML file that defines the appearance of the views.
*/
public abstract class ResourceCursorTreeAdapter extends CursorTreeAdapter {
private int mCollapsedGroupLayout;
private int mExpandedGroupLayout;
private int mChildLayout;
private int mLastChildLayout;
private LayoutInflater mInflater;
/**
* Constructor.
*
* @param context The context where the ListView associated with this
* SimpleListItemFactory is running
* @param cursor The database cursor
* @param collapsedGroupLayout resource identifier of a layout file that
* defines the views for collapsed groups.
* @param expandedGroupLayout resource identifier of a layout file that
* defines the views for expanded groups.
* @param childLayout resource identifier of a layout file that defines the
* views for all children but the last..
* @param lastChildLayout resource identifier of a layout file that defines
* the views for the last child of a group.
*/
public ResourceCursorTreeAdapter(Context context, Cursor cursor, int collapsedGroupLayout,
int expandedGroupLayout, int childLayout, int lastChildLayout) {
super(cursor, context);
mCollapsedGroupLayout = collapsedGroupLayout;
mExpandedGroupLayout = expandedGroupLayout;
mChildLayout = childLayout;
mLastChildLayout = lastChildLayout;
mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
/**
* Constructor.
*
* @param context The context where the ListView associated with this
* SimpleListItemFactory is running
* @param cursor The database cursor
* @param collapsedGroupLayout resource identifier of a layout file that
* defines the views for collapsed groups.
* @param expandedGroupLayout resource identifier of a layout file that
* defines the views for expanded groups.
* @param childLayout resource identifier of a layout file that defines the
* views for all children.
*/
public ResourceCursorTreeAdapter(Context context, Cursor cursor, int collapsedGroupLayout,
int expandedGroupLayout, int childLayout) {
this(context, cursor, collapsedGroupLayout, expandedGroupLayout, childLayout, childLayout);
}
/**
* Constructor.
*
* @param context The context where the ListView associated with this
* SimpleListItemFactory is running
* @param cursor The database cursor
* @param groupLayout resource identifier of a layout file that defines the
* views for all groups.
* @param childLayout resource identifier of a layout file that defines the
* views for all children.
*/
public ResourceCursorTreeAdapter(Context context, Cursor cursor, int groupLayout,
int childLayout) {
this(context, cursor, groupLayout, groupLayout, childLayout, childLayout);
}
@Override
public View newChildView(Context context, Cursor cursor, boolean isLastChild,
ViewGroup parent) {
return mInflater.inflate((isLastChild) ? mLastChildLayout : mChildLayout, parent, false);
}
@Override
public View newGroupView(Context context, Cursor cursor, boolean isExpanded, ViewGroup parent) {
return mInflater.inflate((isExpanded) ? mExpandedGroupLayout : mCollapsedGroupLayout,
parent, false);
}
}