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Add third parties properly

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Mario Danic 2017-02-23 16:14:51 +01:00
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src/main/java/third_parties

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Subproject commit 0b3ad9e88b2406e9485c69059505c70c03080261

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src/main/java/third_parties/daveKoeller/AlphanumComparator.java Normal file
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/*
* The Alphanum Algorithm is an improved sorting algorithm for strings
* containing numbers. Instead of sorting numbers in ASCII order like
* a standard sort, this algorithm sorts numbers in numeric order.
*
* The Alphanum Algorithm is discussed at http://www.DaveKoelle.com
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package third_parties.daveKoeller;
import java.io.File;
import java.util.Comparator;
import com.owncloud.android.datamodel.OCFile;
/**
* This is an updated version with enhancements made by Daniel Migowski,
* Andre Bogus, and David Koelle
*
* To convert to use Templates (Java 1.5+):
* - Change "implements Comparator" to "implements Comparator<String>"
* - Change "compare(Object o1, Object o2)" to "compare(String s1, String s2)"
* - Remove the type checking and casting in compare().
*
* To use this class:
* Use the static "sort" method from the java.util.Collections class:
* Collections.sort(your list, new AlphanumComparator());
*/
public class AlphanumComparator implements Comparator<OCFile>
{
private final boolean isDigit(char ch)
{
return ch >= 48 && ch <= 57;
}
/** Length of string is passed in for improved efficiency (only need to calculate it once) **/
private final String getChunk(String s, int slength, int marker)
{
StringBuilder chunk = new StringBuilder();
char c = s.charAt(marker);
chunk.append(c);
marker++;
if (isDigit(c))
{
while (marker < slength)
{
c = s.charAt(marker);
if (!isDigit(c)) {
break;
}
chunk.append(c);
marker++;
}
} else
{
while (marker < slength)
{
c = s.charAt(marker);
if (isDigit(c)) {
break;
}
chunk.append(c);
marker++;
}
}
return chunk.toString();
}
public int compare(OCFile o1, OCFile o2){
String s1 = o1.getRemotePath().toLowerCase();
String s2 = o2.getRemotePath().toLowerCase();
return compare(s1, s2);
}
public int compare(File f1, File f2){
String s1 = f1.getPath().toLowerCase();
String s2 = f2.getPath().toLowerCase();
return compare(s1, s2);
}
public int compare(String s1, String s2) {
int thisMarker = 0;
int thatMarker = 0;
int s1Length = s1.length();
int s2Length = s2.length();
while (thisMarker < s1Length && thatMarker < s2Length)
{
String thisChunk = getChunk(s1, s1Length, thisMarker);
thisMarker += thisChunk.length();
String thatChunk = getChunk(s2, s2Length, thatMarker);
thatMarker += thatChunk.length();
// If both chunks contain numeric characters, sort them numerically
int result = 0;
if (isDigit(thisChunk.charAt(0)) && isDigit(thatChunk.charAt(0)))
{
// Simple chunk comparison by length.
int thisChunkLength = thisChunk.length();
result = thisChunkLength - thatChunk.length();
// If equal, the first different number counts
if (result == 0)
{
for (int i = 0; i < thisChunkLength; i++)
{
result = thisChunk.charAt(i) - thatChunk.charAt(i);
if (result != 0)
{
return result;
}
}
}
} else
{
result = thisChunk.compareTo(thatChunk);
}
if (result != 0) {
return result;
}
}
return s1Length - s2Length;
}
}

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src/main/java/third_parties/daveKoeller/lgpl-2.1.txt Normal file
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src/main/java/third_parties/in/srain/cube/GridViewWithHeaderAndFooter.java Normal file
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/*
* Copyright (C) 2013 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 third_parties.in.srain.cube;
import android.annotation.TargetApi;
import android.content.Context;
import android.database.DataSetObservable;
import android.database.DataSetObserver;
import android.os.Build;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.Filter;
import android.widget.Filterable;
import android.widget.FrameLayout;
import android.widget.GridView;
import android.widget.ListAdapter;
import android.widget.WrapperListAdapter;
import java.lang.reflect.Field;
import java.util.ArrayList;
/**
* A {@link android.widget.GridView} that supports adding header rows in a
* very similar way to {@link android.widget.ListView}.
* See {@link GridViewWithHeaderAndFooter#addHeaderView(View, Object, boolean)}
* See {@link GridViewWithHeaderAndFooter#addFooterView(View, Object, boolean)}
*/
public class GridViewWithHeaderAndFooter extends GridView {
public static final boolean DEBUG = false;
/**
* A class that represents a fixed view in a list, for example a header at the top
* or a footer at the bottom.
*/
private static class FixedViewInfo {
/**
* The view to add to the grid
*/
public View view;
public ViewGroup viewContainer;
/**
* The data backing the view. This is returned from {@link android.widget.ListAdapter#getItem(int)}.
*/
public Object data;
/**
* <code>true</code> if the fixed view should be selectable in the grid
*/
public boolean isSelectable;
}
private int mNumColumns = AUTO_FIT;
private View mViewForMeasureRowHeight = null;
private int mRowHeight = -1;
private static final String LOG_TAG = "grid-view-with-header-and-footer";
private ArrayList<FixedViewInfo> mHeaderViewInfos = new ArrayList<FixedViewInfo>();
private ArrayList<FixedViewInfo> mFooterViewInfos = new ArrayList<FixedViewInfo>();
private void initHeaderGridView() {
}
public GridViewWithHeaderAndFooter(Context context) {
super(context);
initHeaderGridView();
}
public GridViewWithHeaderAndFooter(Context context, AttributeSet attrs) {
super(context, attrs);
initHeaderGridView();
}
public GridViewWithHeaderAndFooter(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initHeaderGridView();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
ListAdapter adapter = getAdapter();
if (adapter instanceof HeaderViewGridAdapter) {
((HeaderViewGridAdapter) adapter).setNumColumns(getNumColumnsCompatible());
invalidateRowHeight();
((HeaderViewGridAdapter) adapter).setRowHeight(getRowHeight());
}
}
@Override
public void setClipChildren(boolean clipChildren) {
// Ignore, since the header rows depend on not being clipped
}
/**
* Do not call this method unless you know how it works.
*
* @param clipChildren
*/
public void setClipChildrenSupper(boolean clipChildren) {
super.setClipChildren(false);
}
/**
* Add a fixed view to appear at the top of the grid. If addHeaderView is
* called more than once, the views will appear in the order they were
* added. Views added using this call can take focus if they want.
* <p/>
* NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap
* the supplied cursor with one that will also account for header views.
*
* @param v The view to add.
*/
public void addHeaderView(View v) {
addHeaderView(v, null, true);
}
/**
* Add a fixed view to appear at the top of the grid. If addHeaderView is
* called more than once, the views will appear in the order they were
* added. Views added using this call can take focus if they want.
* <p/>
* NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap
* the supplied cursor with one that will also account for header views.
*
* @param v The view to add.
* @param data Data to associate with this view
* @param isSelectable whether the item is selectable
*/
public void addHeaderView(View v, Object data, boolean isSelectable) {
ListAdapter adapter = getAdapter();
if (adapter != null && !(adapter instanceof HeaderViewGridAdapter)) {
throw new IllegalStateException(
"Cannot add header view to grid -- setAdapter has already been called.");
}
ViewGroup.LayoutParams lyp = v.getLayoutParams();
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(getContext());
if (lyp != null) {
v.setLayoutParams(new FrameLayout.LayoutParams(lyp.width, lyp.height));
fl.setLayoutParams(new LayoutParams(lyp.width, lyp.height));
}
fl.addView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
mHeaderViewInfos.add(info);
// in the case of re-adding a header view, or adding one later on,
// we need to notify the observer
if (adapter != null) {
((HeaderViewGridAdapter) adapter).notifyDataSetChanged();
}
}
public void addFooterView(View v) {
addFooterView(v, null, true);
}
public void addFooterView(View v, Object data, boolean isSelectable) {
ListAdapter mAdapter = getAdapter();
if (mAdapter != null && !(mAdapter instanceof HeaderViewGridAdapter)) {
throw new IllegalStateException(
"Cannot add header view to grid -- setAdapter has already been called.");
}
ViewGroup.LayoutParams lyp = v.getLayoutParams();
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(getContext());
if (lyp != null) {
v.setLayoutParams(new FrameLayout.LayoutParams(lyp.width, lyp.height));
fl.setLayoutParams(new LayoutParams(lyp.width, lyp.height));
}
fl.addView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
mFooterViewInfos.add(info);
if (mAdapter != null) {
((HeaderViewGridAdapter) mAdapter).notifyDataSetChanged();
}
}
public int getHeaderViewCount() {
return mHeaderViewInfos.size();
}
public int getFooterViewCount() {
return mFooterViewInfos.size();
}
/**
* Removes a previously-added header view.
*
* @param v The view to remove
* @return true if the view was removed, false if the view was not a header
* view
*/
public boolean removeHeaderView(View v) {
if (mHeaderViewInfos.size() > 0) {
boolean result = false;
ListAdapter adapter = getAdapter();
if (adapter != null && ((HeaderViewGridAdapter) adapter).removeHeader(v)) {
result = true;
}
removeFixedViewInfo(v, mHeaderViewInfos);
return result;
}
return false;
}
/**
* Removes a previously-added footer view.
*
* @param v The view to remove
* @return true if the view was removed, false if the view was not a header
* view
*/
public boolean removeFooterView(View v) {
if (mFooterViewInfos.size() > 0) {
boolean result = false;
ListAdapter adapter = getAdapter();
if (adapter != null && ((HeaderViewGridAdapter) adapter).removeFooter(v)) {
result = true;
}
removeFixedViewInfo(v, mFooterViewInfos);
return result;
}
return false;
}
private void removeFixedViewInfo(View v, ArrayList<FixedViewInfo> where) {
int len = where.size();
for (int i = 0; i < len; ++i) {
FixedViewInfo info = where.get(i);
if (info.view == v) {
where.remove(i);
break;
}
}
}
@TargetApi(11)
private int getNumColumnsCompatible() {
if (Build.VERSION.SDK_INT >= 11) {
return super.getNumColumns();
} else {
try {
Field numColumns = getClass().getSuperclass().getDeclaredField("mNumColumns");
numColumns.setAccessible(true);
return numColumns.getInt(this);
} catch (Exception e) {
if (mNumColumns != -1) {
return mNumColumns;
}
throw new RuntimeException("Can not determine the mNumColumns for this API platform, please call setNumColumns to set it.");
}
}
}
@TargetApi(16)
private int getColumnWidthCompatible() {
if (Build.VERSION.SDK_INT >= 16) {
return super.getColumnWidth();
} else {
try {
Field numColumns = getClass().getSuperclass().getDeclaredField("mColumnWidth");
numColumns.setAccessible(true);
return numColumns.getInt(this);
} catch (NoSuchFieldException | IllegalAccessException e) {
throw new RuntimeException(e);
}
}
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
mViewForMeasureRowHeight = null;
}
public void invalidateRowHeight() {
mRowHeight = -1;
}
public int getRowHeight() {
if (mRowHeight > 0) {
return mRowHeight;
}
ListAdapter adapter = getAdapter();
int numColumns = getNumColumnsCompatible();
// adapter has not been set or has no views in it;
if (adapter == null || adapter.getCount() <= numColumns * (mHeaderViewInfos.size() + mFooterViewInfos.size())) {
return -1;
}
int mColumnWidth = getColumnWidthCompatible();
View view = getAdapter().getView(numColumns * mHeaderViewInfos.size(), mViewForMeasureRowHeight, this);
LayoutParams p = (LayoutParams) view.getLayoutParams();
if (p == null) {
p = new LayoutParams(-1, -2, 0);
view.setLayoutParams(p);
}
int childHeightSpec = getChildMeasureSpec(
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), 0, p.height);
int childWidthSpec = getChildMeasureSpec(
MeasureSpec.makeMeasureSpec(mColumnWidth, MeasureSpec.EXACTLY), 0, p.width);
view.measure(childWidthSpec, childHeightSpec);
mViewForMeasureRowHeight = view;
mRowHeight = view.getMeasuredHeight();
return mRowHeight;
}
@TargetApi(11)
public void tryToScrollToBottomSmoothly() {
int lastPos = getAdapter().getCount() - 1;
if (Build.VERSION.SDK_INT >= 11) {
smoothScrollToPositionFromTop(lastPos, 0);
} else {
setSelection(lastPos);
}
}
@TargetApi(11)
public void tryToScrollToBottomSmoothly(int duration) {
int lastPos = getAdapter().getCount() - 1;
if (Build.VERSION.SDK_INT >= 11) {
smoothScrollToPositionFromTop(lastPos, 0, duration);
} else {
setSelection(lastPos);
}
}
@Override
public void setAdapter(ListAdapter adapter) {
if (mHeaderViewInfos.size() > 0 || mFooterViewInfos.size() > 0) {
HeaderViewGridAdapter headerViewGridAdapter = new HeaderViewGridAdapter(mHeaderViewInfos, mFooterViewInfos, adapter);
int numColumns = getNumColumnsCompatible();
if (numColumns > 1) {
headerViewGridAdapter.setNumColumns(numColumns);
}
headerViewGridAdapter.setRowHeight(getRowHeight());
super.setAdapter(headerViewGridAdapter);
} else {
super.setAdapter(adapter);
}
}
/**
* full width
*/
private class FullWidthFixedViewLayout extends FrameLayout {
public FullWidthFixedViewLayout(Context context) {
super(context);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
int realLeft = GridViewWithHeaderAndFooter.this.getPaddingLeft() + getPaddingLeft();
// Try to make where it should be, from left, full width
if (realLeft != left) {
offsetLeftAndRight(realLeft - left);
}
super.onLayout(changed, left, top, right, bottom);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int targetWidth = GridViewWithHeaderAndFooter.this.getMeasuredWidth()
- GridViewWithHeaderAndFooter.this.getPaddingLeft()
- GridViewWithHeaderAndFooter.this.getPaddingRight();
widthMeasureSpec = MeasureSpec.makeMeasureSpec(targetWidth,
MeasureSpec.getMode(widthMeasureSpec));
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
@Override
public void setNumColumns(int numColumns) {
super.setNumColumns(numColumns);
mNumColumns = numColumns;
ListAdapter adapter = getAdapter();
if (adapter instanceof HeaderViewGridAdapter) {
((HeaderViewGridAdapter) adapter).setNumColumns(numColumns);
}
}
public boolean isCorrectAdapter(){
return getAdapter() == null || getAdapter() instanceof HeaderViewGridAdapter;
}
/**
* ListAdapter used when a HeaderGridView has header views. This ListAdapter
* wraps another one and also keeps track of the header views and their
* associated data objects.
* <p>This is intended as a base class; you will probably not need to
* use this class directly in your own code.
*/
private static class HeaderViewGridAdapter implements WrapperListAdapter, Filterable {
// This is used to notify the container of updates relating to number of columns
// or headers changing, which changes the number of placeholders needed
private final DataSetObservable mDataSetObservable = new DataSetObservable();
private final ListAdapter mAdapter;
static final ArrayList<FixedViewInfo> EMPTY_INFO_LIST =
new ArrayList<FixedViewInfo>();
// This ArrayList is assumed to NOT be null.
ArrayList<FixedViewInfo> mHeaderViewInfos;
ArrayList<FixedViewInfo> mFooterViewInfos;
private int mNumColumns = 1;
private int mRowHeight = -1;
boolean mAreAllFixedViewsSelectable;
private final boolean mIsFilterable;
private boolean mCachePlaceHoldView = true;
// From Recycle Bin or calling getView, this a question...
private boolean mCacheFirstHeaderView = false;
public HeaderViewGridAdapter(ArrayList<FixedViewInfo> headerViewInfos, ArrayList<FixedViewInfo> footViewInfos, ListAdapter adapter) {
mAdapter = adapter;
mIsFilterable = adapter instanceof Filterable;
if (headerViewInfos == null) {
mHeaderViewInfos = EMPTY_INFO_LIST;
} else {
mHeaderViewInfos = headerViewInfos;
}
if (footViewInfos == null) {
mFooterViewInfos = EMPTY_INFO_LIST;
} else {
mFooterViewInfos = footViewInfos;
}
mAreAllFixedViewsSelectable = areAllListInfosSelectable(mHeaderViewInfos)
&& areAllListInfosSelectable(mFooterViewInfos);
}
public void setNumColumns(int numColumns) {
if (numColumns < 1) {
return;
}
if (mNumColumns != numColumns) {
mNumColumns = numColumns;
notifyDataSetChanged();
}
}
public void setRowHeight(int height) {
mRowHeight = height;
}
public int getHeadersCount() {
return mHeaderViewInfos.size();
}
public int getFootersCount() {
return mFooterViewInfos.size();
}
@Override
public boolean isEmpty() {
return (mAdapter == null || mAdapter.isEmpty()) && getHeadersCount() == 0 && getFootersCount() == 0;
}
private boolean areAllListInfosSelectable(ArrayList<FixedViewInfo> infos) {
if (infos != null) {
for (FixedViewInfo info : infos) {
if (!info.isSelectable) {
return false;
}
}
}
return true;
}
public boolean removeHeader(View v) {
for (int i = 0; i < mHeaderViewInfos.size(); i++) {
FixedViewInfo info = mHeaderViewInfos.get(i);
if (info.view == v) {
mHeaderViewInfos.remove(i);
mAreAllFixedViewsSelectable =
areAllListInfosSelectable(mHeaderViewInfos) && areAllListInfosSelectable(mFooterViewInfos);
mDataSetObservable.notifyChanged();
return true;
}
}
return false;
}
public boolean removeFooter(View v) {
for (int i = 0; i < mFooterViewInfos.size(); i++) {
FixedViewInfo info = mFooterViewInfos.get(i);
if (info.view == v) {
mFooterViewInfos.remove(i);
mAreAllFixedViewsSelectable =
areAllListInfosSelectable(mHeaderViewInfos) && areAllListInfosSelectable(mFooterViewInfos);
mDataSetObservable.notifyChanged();
return true;
}
}
return false;
}
@Override
public int getCount() {
if (mAdapter != null) {
return (getFootersCount() + getHeadersCount()) * mNumColumns + getAdapterAndPlaceHolderCount();
} else {
return (getFootersCount() + getHeadersCount()) * mNumColumns;
}
}
@Override
public boolean areAllItemsEnabled() {
if (mAdapter != null) {
return mAreAllFixedViewsSelectable && mAdapter.areAllItemsEnabled();
} else {
return true;
}
}
private int getAdapterAndPlaceHolderCount() {
return (int) (Math.ceil(1f * mAdapter.getCount() / mNumColumns) * mNumColumns);
}
@Override
public boolean isEnabled(int position) {
// Header (negative positions will throw an IndexOutOfBoundsException)
int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
if (position < numHeadersAndPlaceholders) {
return position % mNumColumns == 0
&& mHeaderViewInfos.get(position / mNumColumns).isSelectable;
}
// Adapter
final int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = 0;
if (mAdapter != null) {
adapterCount = getAdapterAndPlaceHolderCount();
if (adjPosition < adapterCount) {
return adjPosition < mAdapter.getCount() && mAdapter.isEnabled(adjPosition);
}
}
// Footer (off-limits positions will throw an IndexOutOfBoundsException)
final int footerPosition = adjPosition - adapterCount;
return footerPosition % mNumColumns == 0
&& mFooterViewInfos.get(footerPosition / mNumColumns).isSelectable;
}
@Override
public Object getItem(int position) {
// Header (negative positions will throw an ArrayIndexOutOfBoundsException)
int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
if (position < numHeadersAndPlaceholders) {
if (position % mNumColumns == 0) {
return mHeaderViewInfos.get(position / mNumColumns).data;
}
return null;
}
// Adapter
final int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = 0;
if (mAdapter != null) {
adapterCount = getAdapterAndPlaceHolderCount();
if (adjPosition < adapterCount) {
if (adjPosition < mAdapter.getCount()) {
return mAdapter.getItem(adjPosition);
} else {
return null;
}
}
}
// Footer (off-limits positions will throw an IndexOutOfBoundsException)
final int footerPosition = adjPosition - adapterCount;
if (footerPosition % mNumColumns == 0) {
return mFooterViewInfos.get(footerPosition).data;
} else {
return null;
}
}
@Override
public long getItemId(int position) {
int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
if (mAdapter != null && position >= numHeadersAndPlaceholders) {
int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = mAdapter.getCount();
if (adjPosition < adapterCount) {
return mAdapter.getItemId(adjPosition);
}
}
return -1;
}
@Override
public boolean hasStableIds() {
if (mAdapter != null) {
return mAdapter.hasStableIds();
}
return false;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (DEBUG) {
Log.d(LOG_TAG, String.format("getView: %s, reused: %s", position, convertView == null));
}
// Header (negative positions will throw an ArrayIndexOutOfBoundsException)
int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
if (position < numHeadersAndPlaceholders) {
View headerViewContainer = mHeaderViewInfos
.get(position / mNumColumns).viewContainer;
if (position % mNumColumns == 0) {
return headerViewContainer;
} else {
if (convertView == null) {
convertView = new View(parent.getContext());
}
// We need to do this because GridView uses the height of the last item
// in a row to determine the height for the entire row.
convertView.setVisibility(View.INVISIBLE);
convertView.setMinimumHeight(headerViewContainer.getHeight());
return convertView;
}
}
// Adapter
final int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = 0;
if (mAdapter != null) {
adapterCount = getAdapterAndPlaceHolderCount();
if (adjPosition < adapterCount) {
if (adjPosition < mAdapter.getCount()) {
return mAdapter.getView(adjPosition, convertView, parent);
} else {
if (convertView == null) {
convertView = new View(parent.getContext());
}
convertView.setVisibility(View.INVISIBLE);
convertView.setMinimumHeight(mRowHeight);
return convertView;
}
}
}
// Footer
final int footerPosition = adjPosition - adapterCount;
if (footerPosition < getCount()) {
View footViewContainer = mFooterViewInfos
.get(footerPosition / mNumColumns).viewContainer;
if (position % mNumColumns == 0) {
return footViewContainer;
} else {
if (convertView == null) {
convertView = new View(parent.getContext());
}
// We need to do this because GridView uses the height of the last item
// in a row to determine the height for the entire row.
convertView.setVisibility(View.INVISIBLE);
convertView.setMinimumHeight(footViewContainer.getHeight());
return convertView;
}
}
throw new ArrayIndexOutOfBoundsException(position);
}
@Override
public int getItemViewType(int position) {
final int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
final int adapterViewTypeStart = mAdapter == null ? 0 : mAdapter.getViewTypeCount() - 1;
int type = AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
if (mCachePlaceHoldView
&& position < numHeadersAndPlaceholders) {
// Header
if (position == 0 && mCacheFirstHeaderView) {
type = adapterViewTypeStart + mHeaderViewInfos.size() + mFooterViewInfos.size() + 1 + 1;
}
if (position % mNumColumns != 0) {
type = adapterViewTypeStart + (position / mNumColumns + 1);
}
}
// Adapter
final int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = 0;
if (mAdapter != null) {
adapterCount = getAdapterAndPlaceHolderCount();
if (adjPosition >= 0 && adjPosition < adapterCount) {
if (adjPosition < mAdapter.getCount()) {
type = mAdapter.getItemViewType(adjPosition);
} else {
if (mCachePlaceHoldView) {
type = adapterViewTypeStart + mHeaderViewInfos.size() + 1;
}
}
}
}
if (mCachePlaceHoldView) {
// Footer
final int footerPosition = adjPosition - adapterCount;
if (footerPosition >= 0 && footerPosition < getCount() && (footerPosition % mNumColumns) != 0) {
type = adapterViewTypeStart + mHeaderViewInfos.size() + 1 + (footerPosition / mNumColumns + 1);
}
}
if (DEBUG) {
Log.d(LOG_TAG, String.format("getItemViewType: pos: %s, result: %s", position, type, mCachePlaceHoldView, mCacheFirstHeaderView));
}
return type;
}
/**
* content view, content view holder, header[0], header and footer placeholder(s)
*
* @return
*/
@Override
public int getViewTypeCount() {
int count = mAdapter == null ? 1 : mAdapter.getViewTypeCount();
if (mCachePlaceHoldView) {
int offset = mHeaderViewInfos.size() + 1 + mFooterViewInfos.size();
if (mCacheFirstHeaderView) {
offset += 1;
}
count += offset;
}
if (DEBUG) {
Log.d(LOG_TAG, String.format("getViewTypeCount: %s", count));
}
return count;
}
@Override
public void registerDataSetObserver(DataSetObserver observer) {
mDataSetObservable.registerObserver(observer);
if (mAdapter != null) {
mAdapter.registerDataSetObserver(observer);
}
}
@Override
public void unregisterDataSetObserver(DataSetObserver observer) {
mDataSetObservable.unregisterObserver(observer);
if (mAdapter != null) {
mAdapter.unregisterDataSetObserver(observer);
}
}
@Override
public Filter getFilter() {
if (mIsFilterable) {
return ((Filterable) mAdapter).getFilter();
}
return null;
}
@Override
public ListAdapter getWrappedAdapter() {
return mAdapter;
}
public void notifyDataSetChanged() {
mDataSetObservable.notifyChanged();
}
}
/**
* Sets the selected item and positions the selection y pixels from the top edge of the ListView.
* (If in touch mode, the item will not be selected but it will still be positioned appropriately.)
*
* @param position Index (starting at 0) of the data item to be selected.
* @param y The distance from the top edge of the ListView (plus padding)
* that the item will be positioned.
*
* @see <a href="http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.4_r1/android/widget/ListView.java#ListView.setSelectionFromTop%28int%2Cint%29">Original code</a>
*/
public void setSelectionFromTop(int position, int y) {
if (getAdapter() == null) {
return;
}
setSelection(position);
//setSelectionInt(position);
/*if (!isInTouchMode()) {
position = super.lookForSelectablePosition(position, true);
if (position >= 0) {
setNextSelectedPositionInt(position);
}
} else {
mResurrectToPosition = position;
}*/
/*
if (position >= 0) {
mLayoutMode = LAYOUT_SPECIFIC;
mSpecificTop = mListPadding.top + y;
if (mNeedSync) {
mSyncPosition = position;
mSyncRowId = getAdapter().getItemId(position);
}
if (mPositionScroller != null) {
mPositionScroller.stop();
}
requestLayout();
}
*/
}
}

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@ -0,0 +1,201 @@
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