353028420b
EditTexts do not work in ListViews. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
104 lines
4.4 KiB
Java
104 lines
4.4 KiB
Java
package com.wireguard.android;
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import android.databinding.BindingAdapter;
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import android.databinding.ObservableList;
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import android.databinding.adapters.ListenerUtil;
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import android.graphics.Typeface;
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import android.text.InputFilter;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import android.widget.TextView;
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/**
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* Static methods for use by generated code in the Android data binding library.
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*/
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@SuppressWarnings("unused")
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public final class BindingAdapters {
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@BindingAdapter({"items", "layout"})
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public static <T> void setItems(final LinearLayout view,
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final ObservableList<T> oldList, final int oldLayoutId,
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final ObservableList<T> newList, final int newLayoutId) {
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if (oldList == newList && oldLayoutId == newLayoutId)
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return;
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ItemChangeListener<T> listener = ListenerUtil.getListener(view, R.id.item_change_listener);
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// If the layout changes, any existing listener must be replaced.
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if (listener != null && oldList != null && oldLayoutId != newLayoutId) {
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listener.setList(null);
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listener = null;
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}
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// Avoid adding a listener when there is no new list or layout.
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if (newList == null || newLayoutId == 0)
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return;
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if (listener == null) {
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listener = new ItemChangeListener<>(view, newLayoutId);
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ListenerUtil.trackListener(view, listener, R.id.item_change_listener);
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}
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// Either the list changed, or this is an entirely new listener because the layout changed.
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listener.setList(newList);
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}
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@BindingAdapter({"items", "layout"})
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public static <T> void setItems(final ListView view,
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final ObservableList<T> oldList, final int oldLayoutId,
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final ObservableList<T> newList, final int newLayoutId) {
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// Remove any existing binding when there is no new list or layout.
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if (newList == null || newLayoutId == 0) {
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view.setAdapter(null);
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return;
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}
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// The ListAdapter interface is not generic, so this cannot be checked.
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@SuppressWarnings("unchecked")
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ObservableListAdapter<T> adapter = (ObservableListAdapter<T>) view.getAdapter();
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// If the layout changes, any existing adapter must be replaced.
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if (newLayoutId != oldLayoutId)
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adapter = null;
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// Add a new binding if there was none, or if it must be replaced due to a layout change.
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if (adapter == null) {
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view.setAdapter(new ObservableListAdapter<>(view.getContext(), newLayoutId, newList));
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} else if (newList != oldList) {
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// Changing the list only requires modifying the existing adapter.
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adapter.setList(newList);
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}
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}
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@BindingAdapter({"items", "layout"})
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public static <K extends Comparable<K>, V> void setItems(
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final ListView view,
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final ObservableSortedMap<K, V> oldMap, final int oldLayoutId,
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final ObservableSortedMap<K, V> newMap, final int newLayoutId) {
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// Remove any existing binding when there is no new map or layout.
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if (newMap == null || newLayoutId == 0) {
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view.setAdapter(null);
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return;
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}
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// The ListAdapter interface is not generic, so this cannot be checked.
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@SuppressWarnings("unchecked")
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ObservableMapAdapter<K, V> adapter = (ObservableMapAdapter<K, V>) view.getAdapter();
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// If the layout changes, any existing adapter must be replaced.
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if (newLayoutId != oldLayoutId)
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adapter = null;
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// Add a new binding if there was none, or if it must be replaced due to a layout change.
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if (adapter == null) {
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view.setAdapter(new ObservableMapAdapter<>(view.getContext(), newLayoutId, newMap));
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} else if (newMap != oldMap) {
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// Changing the list only requires modifying the existing adapter.
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adapter.setMap(newMap);
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}
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}
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@BindingAdapter({"filter"})
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public static void setFilter(final TextView view, final InputFilter filter) {
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view.setFilters(new InputFilter[]{filter});
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}
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@BindingAdapter({"android:textStyle"})
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public static void setTextStyle(final TextView view, final Typeface typeface) {
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view.setTypeface(typeface);
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}
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private BindingAdapters() {
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// Prevent instantiation.
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}
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}
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