| /* |
| * Copyright (C) 2014 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.support.v17.leanback.widget; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.support.v17.leanback.R; |
| import android.support.v7.widget.RecyclerView; |
| import android.util.AttributeSet; |
| import android.util.TypedValue; |
| |
| /** |
| * A view that shows items in a vertically scrolling list. The items come from |
| * the {@link RecyclerView.Adapter} associated with this view. |
| */ |
| public class VerticalGridView extends BaseGridView { |
| |
| public VerticalGridView(Context context) { |
| this(context, null); |
| } |
| |
| public VerticalGridView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public VerticalGridView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mLayoutManager.setOrientation(RecyclerView.VERTICAL); |
| initAttributes(context, attrs); |
| } |
| |
| protected void initAttributes(Context context, AttributeSet attrs) { |
| initBaseGridViewAttributes(context, attrs); |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.lbVerticalGridView); |
| setColumnWidth(a); |
| setNumColumns(a.getInt(R.styleable.lbVerticalGridView_numberOfColumns, 1)); |
| a.recycle(); |
| } |
| |
| void setColumnWidth(TypedArray array) { |
| TypedValue typedValue = array.peekValue(R.styleable.lbVerticalGridView_columnWidth); |
| int size; |
| if (typedValue != null && typedValue.type == TypedValue.TYPE_DIMENSION) { |
| size = array.getDimensionPixelSize(R.styleable.lbVerticalGridView_columnWidth, 0); |
| } else { |
| size = array.getInt(R.styleable.lbVerticalGridView_columnWidth, 0); |
| } |
| setColumnWidth(size); |
| } |
| |
| /** |
| * Set the number of columns. Defaults to one. |
| */ |
| public void setNumColumns(int numColumns) { |
| mLayoutManager.setNumRows(numColumns); |
| requestLayout(); |
| } |
| |
| /** |
| * Set the column width. |
| * |
| * @param width May be WRAP_CONTENT, or a size in pixels. If zero, |
| * column width will be fixed based on number of columns and view width. |
| */ |
| public void setColumnWidth(int width) { |
| mLayoutManager.setRowHeight(width); |
| requestLayout(); |
| } |
| } |