/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.widget;
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import android.content.Context;
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import android.database.Cursor;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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/**
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* A fairly simple ExpandableListAdapter that creates views defined in an XML
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* file. You can specify the XML file that defines the appearance of the views.
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*/
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public abstract class ResourceCursorTreeAdapter extends CursorTreeAdapter {
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private int mCollapsedGroupLayout;
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private int mExpandedGroupLayout;
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private int mChildLayout;
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private int mLastChildLayout;
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private LayoutInflater mInflater;
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/**
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* Constructor.
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*
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* @param context The context where the ListView associated with this
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* SimpleListItemFactory is running
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* @param cursor The database cursor
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* @param collapsedGroupLayout resource identifier of a layout file that
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* defines the views for collapsed groups.
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* @param expandedGroupLayout resource identifier of a layout file that
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* defines the views for expanded groups.
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* @param childLayout resource identifier of a layout file that defines the
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* views for all children but the last..
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* @param lastChildLayout resource identifier of a layout file that defines
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* the views for the last child of a group.
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*/
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public ResourceCursorTreeAdapter(Context context, Cursor cursor, int collapsedGroupLayout,
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int expandedGroupLayout, int childLayout, int lastChildLayout) {
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super(cursor, context);
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mCollapsedGroupLayout = collapsedGroupLayout;
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mExpandedGroupLayout = expandedGroupLayout;
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mChildLayout = childLayout;
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mLastChildLayout = lastChildLayout;
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mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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/**
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* Constructor.
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*
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* @param context The context where the ListView associated with this
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* SimpleListItemFactory is running
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* @param cursor The database cursor
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* @param collapsedGroupLayout resource identifier of a layout file that
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* defines the views for collapsed groups.
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* @param expandedGroupLayout resource identifier of a layout file that
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* defines the views for expanded groups.
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* @param childLayout resource identifier of a layout file that defines the
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* views for all children.
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*/
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public ResourceCursorTreeAdapter(Context context, Cursor cursor, int collapsedGroupLayout,
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int expandedGroupLayout, int childLayout) {
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this(context, cursor, collapsedGroupLayout, expandedGroupLayout, childLayout, childLayout);
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}
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/**
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* Constructor.
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*
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* @param context The context where the ListView associated with this
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* SimpleListItemFactory is running
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* @param cursor The database cursor
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* @param groupLayout resource identifier of a layout file that defines the
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* views for all groups.
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* @param childLayout resource identifier of a layout file that defines the
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* views for all children.
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*/
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public ResourceCursorTreeAdapter(Context context, Cursor cursor, int groupLayout,
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int childLayout) {
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this(context, cursor, groupLayout, groupLayout, childLayout, childLayout);
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}
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@Override
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public View newChildView(Context context, Cursor cursor, boolean isLastChild,
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ViewGroup parent) {
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return mInflater.inflate((isLastChild) ? mLastChildLayout : mChildLayout, parent, false);
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}
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@Override
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public View newGroupView(Context context, Cursor cursor, boolean isExpanded, ViewGroup parent) {
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return mInflater.inflate((isExpanded) ? mExpandedGroupLayout : mCollapsedGroupLayout,
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parent, false);
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}
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}
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