open-keychain/extern/MaterialChipsInput/src/main/java/com/pchmn/materialchips/adapter/ChipsAdapter.java
2018-07-04 13:59:21 +02:00

385 lines
12 KiB
Java

package com.pchmn.materialchips.adapter;
import android.content.Context;
import android.os.Build;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.widget.EditText;
import android.widget.RelativeLayout;
import com.pchmn.materialchips.ChipView;
import com.pchmn.materialchips.ChipsInput;
import com.pchmn.materialchips.model.ChipInterface;
import com.pchmn.materialchips.util.ViewUtil;
import com.pchmn.materialchips.views.ChipsInputEditText;
import com.pchmn.materialchips.views.DetailedChipView;
import com.pchmn.materialchips.views.FilterableListView;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class ChipsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private static final int TYPE_EDIT_TEXT = 0;
private static final int TYPE_ITEM = 1;
private Context mContext;
private ChipsInput mChipsInput;
private List<ChipInterface> mChipList = new ArrayList<>();
private String mHintLabel;
private ChipsInputEditText mEditText;
private RecyclerView mRecycler;
public ChipsAdapter(Context context, ChipsInput chipsInput, RecyclerView recycler) {
mContext = context;
mChipsInput = chipsInput;
mRecycler = recycler;
mHintLabel = mChipsInput.getHint();
}
public ChipsAdapter(Context mContext, ChipsInput chipsInput, ChipsInputEditText mEditText, RecyclerView mRecyclerView) {
this(mContext, chipsInput, mRecyclerView);
this.mEditText = mEditText;
}
private class ItemViewHolder extends RecyclerView.ViewHolder {
private final ChipView chipView;
ItemViewHolder(View view) {
super(view);
chipView = (ChipView) view;
}
}
private class EditTextViewHolder extends RecyclerView.ViewHolder {
private final EditText editText;
EditTextViewHolder(View view) {
super(view);
editText = (EditText) view;
}
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if (viewType == TYPE_EDIT_TEXT) {
return new EditTextViewHolder(mEditText);
} else {
return new ItemViewHolder(mChipsInput.getChipView());
}
}
@Override
public void onBindViewHolder(final RecyclerView.ViewHolder holder, int position) {
// edit text
if (position == mChipList.size()) {
if (mChipList.size() == 0) {
mEditText.setHint(mHintLabel);
}
// auto fit edit text
autofitEditText();
}
// chip
else if (getItemCount() > 1) {
ItemViewHolder itemViewHolder = (ItemViewHolder) holder;
itemViewHolder.chipView.inflate(getItem(position));
// handle click
handleClickOnEditText(itemViewHolder.chipView, position);
}
}
@Override
public int getItemCount() {
return mChipList.size() + 1;
}
private ChipInterface getItem(int position) {
return mChipList.get(position);
}
@Override
public int getItemViewType(int position) {
if (position == mChipList.size()) {
return TYPE_EDIT_TEXT;
}
return TYPE_ITEM;
}
@Override
public long getItemId(int position) {
return mChipList.get(position).hashCode();
}
private void autofitEditText() {
// min width of edit text = 50 dp
ViewGroup.LayoutParams params = mEditText.getLayoutParams();
params.width = ViewUtil.dpToPx(50);
mEditText.setLayoutParams(params);
// listen to change in the tree
mEditText.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
// get right of recycler and left of edit text
int right = mRecycler.getRight();
int left = mEditText.getLeft();
// edit text will fill the space
ViewGroup.LayoutParams params = mEditText.getLayoutParams();
params.width = right - left - ViewUtil.dpToPx(8);
mEditText.setLayoutParams(params);
// request focus
mEditText.requestFocus();
// remove the listener:
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
mEditText.getViewTreeObserver().removeGlobalOnLayoutListener(this);
} else {
mEditText.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
}
});
}
private void handleClickOnEditText(ChipView chipView, final int position) {
// delete chip
chipView.setOnDeleteClicked(new View.OnClickListener() {
@Override
public void onClick(View v) {
removeChip(position);
}
});
// show detailed chip
if (mChipsInput.isShowChipDetailed()) {
chipView.setOnChipClicked(new View.OnClickListener() {
@Override
public void onClick(View v) {
// get chip position
int[] coord = new int[2];
v.getLocationInWindow(coord);
final DetailedChipView detailedChipView = mChipsInput.getDetailedChipView(getItem(position));
setDetailedChipViewPosition(detailedChipView, coord);
// delete button
detailedChipView.setOnDeleteClicked(new View.OnClickListener() {
@Override
public void onClick(View v) {
removeChip(position);
detailedChipView.fadeOut();
}
});
}
});
}
}
private void setDetailedChipViewPosition(DetailedChipView detailedChipView, int[] coord) {
// window width
ViewGroup rootView = (ViewGroup) mRecycler.getRootView();
int windowWidth = ViewUtil.getWindowWidth(mContext);
// chip size
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
ViewUtil.dpToPx(300),
ViewUtil.dpToPx(100));
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
// align left window
if (coord[0] <= 0) {
layoutParams.leftMargin = 0;
layoutParams.topMargin = coord[1] - ViewUtil.dpToPx(13);
detailedChipView.alignLeft();
}
// align right
else if (coord[0] + ViewUtil.dpToPx(300) > windowWidth + ViewUtil.dpToPx(13)) {
layoutParams.leftMargin = windowWidth - ViewUtil.dpToPx(300);
layoutParams.topMargin = coord[1] - ViewUtil.dpToPx(13);
detailedChipView.alignRight();
}
// same position as chip
else {
layoutParams.leftMargin = coord[0] - ViewUtil.dpToPx(13);
layoutParams.topMargin = coord[1] - ViewUtil.dpToPx(13);
}
// show view
rootView.addView(detailedChipView, layoutParams);
detailedChipView.fadeIn();
}
public void setFilterableListView(FilterableListView filterableListView) {
if (mEditText != null) {
mEditText.setFilterableListView(filterableListView);
}
}
public void addChipsProgrammatically(List<ChipInterface> chipList) {
if (chipList != null) {
if (chipList.size() > 0) {
int chipsBeforeAdding = getItemCount();
for (ChipInterface chip : chipList) {
mChipList.add(chip);
mChipsInput.onChipAdded(chip, getItemCount());
}
// hide hint
mEditText.setHint(null);
// reset text
mEditText.setText(null);
notifyItemRangeChanged(chipsBeforeAdding, chipList.size());
}
}
}
public void addChip(ChipInterface chip) {
if (!listContains(mChipList, chip)) {
mChipList.add(chip);
// notify listener
mChipsInput.onChipAdded(chip, mChipList.size());
// hide hint
mEditText.setHint(null);
// reset text
mEditText.setText(null);
// refresh data
notifyItemInserted(mChipList.size());
}
}
public void removeChip(ChipInterface chip) {
int position = mChipList.indexOf(chip);
mChipList.remove(position);
// notify listener
notifyItemRangeChanged(position, getItemCount());
mChipsInput.onChipRemoved(chip, mChipList.size());
// if 0 chip
if (mChipList.size() == 0) {
mEditText.setHint(mHintLabel);
}
// refresh data
notifyDataSetChanged();
}
public void removeChip(int position) {
ChipInterface chip = mChipList.get(position);
// remove contact
mChipList.remove(position);
// notify listener
mChipsInput.onChipRemoved(chip, mChipList.size());
// if 0 chip
if (mChipList.size() == 0) {
mEditText.setHint(mHintLabel);
}
// refresh data
notifyDataSetChanged();
}
public void removeChipById(Object id) {
for (Iterator<ChipInterface> iter = mChipList.listIterator(); iter.hasNext(); ) {
ChipInterface chip = iter.next();
if (chip.getId() != null && chip.getId().equals(id)) {
// remove chip
iter.remove();
// notify listener
mChipsInput.onChipRemoved(chip, mChipList.size());
}
}
// if 0 chip
if (mChipList.size() == 0) {
mEditText.setHint(mHintLabel);
}
// refresh data
notifyDataSetChanged();
}
public void removeChipByLabel(String label) {
for (Iterator<ChipInterface> iter = mChipList.listIterator(); iter.hasNext(); ) {
ChipInterface chip = iter.next();
if (chip.getLabel().equals(label)) {
// remove chip
iter.remove();
// notify listener
mChipsInput.onChipRemoved(chip, mChipList.size());
}
}
// if 0 chip
if (mChipList.size() == 0) {
mEditText.setHint(mHintLabel);
}
// refresh data
notifyDataSetChanged();
}
public void removeChipByInfo(String info) {
for (Iterator<ChipInterface> iter = mChipList.listIterator(); iter.hasNext(); ) {
ChipInterface chip = iter.next();
if (chip.getInfo() != null && chip.getInfo().equals(info)) {
// remove chip
iter.remove();
// notify listener
mChipsInput.onChipRemoved(chip, mChipList.size());
}
}
// if 0 chip
if (mChipList.size() == 0) {
mEditText.setHint(mHintLabel);
}
// refresh data
notifyDataSetChanged();
}
public void removeLastChip() {
if (mChipList.size() > 0) {
removeChip(mChipList.get(mChipList.size() - 1));
}
}
public List<ChipInterface> getChipList() {
return mChipList;
}
private boolean listContains(List<ChipInterface> contactList, ChipInterface chip) {
if (mChipsInput.getChipValidator() != null) {
for (ChipInterface item : contactList) {
if (mChipsInput.getChipValidator().areEquals(item, chip)) {
return true;
}
}
} else {
for (ChipInterface item : contactList) {
if (chip.getId() != null && chip.getId().equals(item.getId())) {
return true;
}
if (chip.getLabel().equals(item.getLabel())) {
return true;
}
}
}
return false;
}
public ChipsInputEditText getmEditText() {
return mEditText;
}
}