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BraveNewPipeLegacy: (Kitkat) copy of SearchFilterDialogGenerator.java to flavor
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evermind
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// Created by evermind-zz 2022, licensed GNU GPL version 3 or later
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package org.schabi.newpipe.fragments.list.search.filter;
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import android.content.Context;
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import android.view.Gravity;
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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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import android.widget.AdapterView;
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import android.widget.GridLayout;
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import android.widget.Spinner;
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import android.widget.TextView;
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import com.google.android.material.chip.Chip;
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import com.google.android.material.chip.ChipGroup;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.extractor.search.filter.FilterGroup;
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import org.schabi.newpipe.extractor.search.filter.FilterItem;
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import org.schabi.newpipe.util.DeviceUtils;
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import org.schabi.newpipe.util.ServiceHelper;
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import java.util.List;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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public class SearchFilterDialogGenerator extends BaseSearchFilterUiDialogGenerator {
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private static final int CHIP_GROUP_ELEMENTS_THRESHOLD = 2;
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private static final int CHIP_MIN_TOUCH_TARGET_SIZE_DP = 40;
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protected final GridLayout globalLayout;
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public SearchFilterDialogGenerator(
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@NonNull final SearchFilterLogic logic,
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@NonNull final ViewGroup root,
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@NonNull final Context context) {
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super(logic, context);
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this.globalLayout = createGridLayout();
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root.addView(globalLayout);
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}
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@Override
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protected void createTitle(@NonNull final String name,
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@NonNull final List<View> titleViewElements) {
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final TextView titleView = createTitleText(name);
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final View separatorLine = createSeparatorLine();
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final View separatorLine2 = createSeparatorLine();
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globalLayout.addView(separatorLine);
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globalLayout.addView(titleView);
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globalLayout.addView(separatorLine2);
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titleViewElements.add(titleView);
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titleViewElements.add(separatorLine);
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titleViewElements.add(separatorLine2);
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}
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@Override
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protected void createFilterGroup(@NonNull final FilterGroup filterGroup,
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@NonNull final UiWrapperMapDelegate wrapperDelegate,
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@NonNull final UiSelectorDelegate selectorDelegate) {
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final GridLayout.LayoutParams layoutParams = getLayoutParamsViews();
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boolean doSpanDataOverMultipleCells = false;
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final UiItemWrapperViews viewsWrapper = new UiItemWrapperViews(
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filterGroup.getIdentifier());
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final TextView filterLabel;
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if (filterGroup.getNameId() != null) {
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filterLabel = createFilterLabel(filterGroup, layoutParams);
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viewsWrapper.add(filterLabel);
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} else {
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filterLabel = null;
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doSpanDataOverMultipleCells = true;
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}
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if (filterGroup.isOnlyOneCheckable()) {
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if (filterLabel != null) {
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globalLayout.addView(filterLabel);
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}
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final Spinner filterDataSpinner = new Spinner(context, Spinner.MODE_DROPDOWN);
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final GridLayout.LayoutParams spinnerLp =
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clipFreeRightColumnLayoutParams(doSpanDataOverMultipleCells);
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setDefaultMargin(spinnerLp);
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filterDataSpinner.setLayoutParams(spinnerLp);
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setZeroPadding(filterDataSpinner);
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createUiElementsForSingleSelectableItemsFilterGroup(
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filterGroup, wrapperDelegate, selectorDelegate, filterDataSpinner);
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viewsWrapper.add(filterDataSpinner);
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globalLayout.addView(filterDataSpinner);
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} else { // multiple items in FilterGroup selectable
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final ChipGroup chipGroup = new ChipGroup(context);
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doSpanDataOverMultipleCells = chooseParentViewForFilterLabelAndAdd(
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filterGroup, doSpanDataOverMultipleCells, filterLabel, chipGroup);
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viewsWrapper.add(chipGroup);
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globalLayout.addView(chipGroup);
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chipGroup.setLayoutParams(
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clipFreeRightColumnLayoutParams(doSpanDataOverMultipleCells));
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chipGroup.setSingleLine(false);
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createUiChipElementsForFilterGroupItems(
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filterGroup, wrapperDelegate, selectorDelegate, chipGroup);
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}
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wrapperDelegate.put(filterGroup.getIdentifier(), viewsWrapper);
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}
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@NonNull
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protected TextView createFilterLabel(@NonNull final FilterGroup filterGroup,
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@NonNull final GridLayout.LayoutParams layoutParams) {
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final TextView filterLabel;
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filterLabel = new TextView(context);
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filterLabel.setId(filterGroup.getIdentifier());
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filterLabel.setText(
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ServiceHelper.getTranslatedFilterString(filterGroup.getNameId(), context));
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filterLabel.setGravity(Gravity.CENTER_VERTICAL);
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setDefaultMargin(layoutParams);
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setZeroPadding(filterLabel);
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filterLabel.setLayoutParams(layoutParams);
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return filterLabel;
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}
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private boolean chooseParentViewForFilterLabelAndAdd(
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@NonNull final FilterGroup filterGroup,
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final boolean doSpanDataOverMultipleCells,
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@Nullable final TextView filterLabel,
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@NonNull final ChipGroup possibleParentView) {
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boolean spanOverMultipleCells = doSpanDataOverMultipleCells;
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if (filterLabel != null) {
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// If we have more than CHIP_GROUP_ELEMENTS_THRESHOLD elements to be
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// displayed as Chips add its filterLabel as first element to ChipGroup.
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// Now the ChipGroup can be spanned over all the cells to use
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// the space better.
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if (filterGroup.getFilterItems().size() > CHIP_GROUP_ELEMENTS_THRESHOLD) {
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possibleParentView.addView(filterLabel);
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spanOverMultipleCells = true;
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} else {
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globalLayout.addView(filterLabel);
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}
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}
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return spanOverMultipleCells;
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}
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private void createUiElementsForSingleSelectableItemsFilterGroup(
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@NonNull final FilterGroup filterGroup,
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@NonNull final UiWrapperMapDelegate wrapperDelegate,
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@NonNull final UiSelectorDelegate selectorDelegate,
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@NonNull final Spinner filterDataSpinner) {
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filterDataSpinner.setAdapter(new SearchFilterDialogSpinnerAdapter(
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context, filterGroup, wrapperDelegate, filterDataSpinner));
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final AdapterView.OnItemSelectedListener listener;
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listener = new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(final AdapterView<?> parent, final View view,
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final int position, final long id) {
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if (view != null) {
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selectorDelegate.selectFilter(view.getId());
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}
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}
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@Override
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public void onNothingSelected(final AdapterView<?> parent) {
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// we are only interested onItemSelected() -> no implementation here
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}
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};
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filterDataSpinner.setOnItemSelectedListener(listener);
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}
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protected void createUiChipElementsForFilterGroupItems(
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@NonNull final FilterGroup filterGroup,
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@NonNull final UiWrapperMapDelegate wrapperDelegate,
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@NonNull final UiSelectorDelegate selectorDelegate,
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@NonNull final ChipGroup chipGroup) {
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for (final FilterItem item : filterGroup.getFilterItems()) {
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if (item instanceof InjectFilterItem.DividerItem) {
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final InjectFilterItem.DividerItem dividerItem =
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(InjectFilterItem.DividerItem) item;
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// For the width MATCH_PARENT is necessary as this allows the
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// dividerLabel to fill one row of ChipGroup exclusively
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final ChipGroup.LayoutParams layoutParams = new ChipGroup.LayoutParams(
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ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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final TextView dividerLabel = createDividerLabel(dividerItem, layoutParams);
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chipGroup.addView(dividerLabel);
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} else {
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final Chip chip = createChipView(chipGroup, item);
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final View.OnClickListener listener;
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listener = view -> selectorDelegate.selectFilter(view.getId());
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chip.setOnClickListener(listener);
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chipGroup.addView(chip);
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wrapperDelegate.put(item.getIdentifier(),
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new UiItemWrapperChip(item, chip, chipGroup));
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}
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}
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}
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@NonNull
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private Chip createChipView(@NonNull final ChipGroup chipGroup,
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@NonNull final FilterItem item) {
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final Chip chip = (Chip) LayoutInflater.from(context).inflate(
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R.layout.chip_search_filter, chipGroup, false);
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chip.ensureAccessibleTouchTarget(
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DeviceUtils.dpToPx(CHIP_MIN_TOUCH_TARGET_SIZE_DP, context));
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chip.setText(ServiceHelper.getTranslatedFilterString(item.getNameId(), context));
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chip.setId(item.getIdentifier());
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chip.setCheckable(true);
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return chip;
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}
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@NonNull
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private TextView createDividerLabel(
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@NonNull final InjectFilterItem.DividerItem dividerItem,
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@NonNull final ViewGroup.MarginLayoutParams layoutParams) {
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final TextView dividerLabel;
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dividerLabel = new TextView(context);
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dividerLabel.setEnabled(true);
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dividerLabel.setGravity(Gravity.CENTER_VERTICAL);
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setDefaultMargin(layoutParams);
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dividerLabel.setLayoutParams(layoutParams);
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final String menuDividerTitle =
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context.getString(dividerItem.getStringResId());
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dividerLabel.setText(menuDividerTitle);
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return dividerLabel;
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}
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@NonNull
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protected SeparatorLineView createSeparatorLine() {
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return createSeparatorLine(clipFreeRightColumnLayoutParams(true));
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}
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@NonNull
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private TextView createTitleText(final String name) {
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final TextView title = createTitleText(name,
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clipFreeRightColumnLayoutParams(true));
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title.setGravity(Gravity.CENTER);
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return title;
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}
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@NonNull
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private GridLayout createGridLayout() {
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final GridLayout layout = new GridLayout(context);
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layout.setColumnCount(2);
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final GridLayout.LayoutParams layoutParams = new GridLayout.LayoutParams();
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layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
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layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
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setDefaultMargin(layoutParams);
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layout.setLayoutParams(layoutParams);
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return layout;
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}
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@NonNull
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protected GridLayout.LayoutParams clipFreeRightColumnLayoutParams(final boolean doColumnSpan) {
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final GridLayout.LayoutParams layoutParams = new GridLayout.LayoutParams();
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// https://stackoverflow.com/questions/37744672/gridlayout-children-are-being-clipped
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layoutParams.width = 0;
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layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
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layoutParams.setGravity(Gravity.FILL_HORIZONTAL | Gravity.CENTER_VERTICAL);
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setDefaultMargin(layoutParams);
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if (doColumnSpan) {
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layoutParams.columnSpec = GridLayout.spec(0, 2, 1.0f);
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}
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return layoutParams;
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}
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@NonNull
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private GridLayout.LayoutParams getLayoutParamsViews() {
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final GridLayout.LayoutParams layoutParams = new GridLayout.LayoutParams();
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layoutParams.setGravity(Gravity.CENTER_VERTICAL);
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setDefaultMargin(layoutParams);
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return layoutParams;
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}
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@NonNull
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protected ViewGroup.MarginLayoutParams setDefaultMargin(
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@NonNull final ViewGroup.MarginLayoutParams layoutParams) {
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layoutParams.setMargins(
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DeviceUtils.dpToPx(4, context),
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DeviceUtils.dpToPx(2, context),
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DeviceUtils.dpToPx(4, context),
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DeviceUtils.dpToPx(2, context)
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);
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return layoutParams;
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}
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@NonNull
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protected View setZeroPadding(@NonNull final View view) {
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view.setPadding(0, 0, 0, 0);
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return view;
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}
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public static class UiItemWrapperChip extends BaseUiItemWrapper {
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@NonNull
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private final ChipGroup chipGroup;
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public UiItemWrapperChip(@NonNull final FilterItem item,
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@NonNull final View view,
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@NonNull final ChipGroup chipGroup) {
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super(item, view);
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this.chipGroup = chipGroup;
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}
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@Override
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public boolean isChecked() {
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return ((Chip) view).isChecked();
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}
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@Override
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public void setChecked(final boolean checked) {
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((Chip) view).setChecked(checked);
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if (checked) {
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chipGroup.check(view.getId());
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}
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}
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}
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}
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