X-Git-Url: https://git.mdrn.pl/wl-app.git/blobdiff_plain/48b2fe9f7c2dc3d9aeaaa6dbfb27c7da4f3235ff..269195b3729c1bdc22e9053ee4ebca667ea8549d:/Android/app/src/main/java/com/moiseum/wolnelektury/components/ProgressRecyclerView.java

diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/components/ProgressRecyclerView.java b/Android/app/src/main/java/com/moiseum/wolnelektury/components/ProgressRecyclerView.java
new file mode 100644
index 0000000..cccb42a
--- /dev/null
+++ b/Android/app/src/main/java/com/moiseum/wolnelektury/components/ProgressRecyclerView.java
@@ -0,0 +1,141 @@
+package com.moiseum.wolnelektury.components;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.StringRes;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ImageButton;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import com.moiseum.wolnelektury.R;
+import com.moiseum.wolnelektury.components.recycler.RecyclerAdapter;
+
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+/**
+ * @author golonkos
+ */
+
+public class ProgressRecyclerView<T> extends FrameLayout {
+
+	public interface ProgressRecycleViewRetryListener {
+		void onRetryClicked();
+	}
+
+	@BindView(R.id.rvList)
+	RecyclerView rvList;
+	@BindView(R.id.tvEmpty)
+	TextView tvEmpty;
+	@BindView(R.id.pbLoading)
+	ProgressBar pbLoading;
+	@BindView(R.id.ibRetry)
+	ImageButton ibRetry;
+
+	private RecyclerAdapter<T, ?> adapter;
+	private ProgressRecycleViewRetryListener listener;
+
+	public ProgressRecyclerView(@NonNull Context context) {
+		this(context, null);
+	}
+
+	public ProgressRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs) {
+		this(context, attrs, 0);
+	}
+
+	public ProgressRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+		super(context, attrs, defStyleAttr);
+		init(attrs);
+	}
+
+	private void init(AttributeSet attrs) {
+		View view = LayoutInflater.from(getContext()).inflate(R.layout.progress_recyclerview, this, true);
+		ButterKnife.bind(this, view);
+
+		TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.ProgressRecyclerView);
+		try {
+			if (a.hasValue(R.styleable.ProgressRecyclerView_emptyText)) {
+				tvEmpty.setText(a.getString(R.styleable.ProgressRecyclerView_emptyText));
+			}
+		} finally {
+			a.recycle();
+		}
+	}
+
+	public void setAdapter(RecyclerAdapter<T, ?> adapter) {
+		this.adapter = adapter;
+		rvList.setAdapter(adapter);
+	}
+
+	public void setItems(List<T> items) {
+		if (adapter == null) {
+			throw new UnsupportedOperationException("Adapter not set");
+		}
+		adapter.setItems(items);
+		tvEmpty.setVisibility(items.isEmpty() ? VISIBLE : GONE);
+	}
+
+	public void addItems(List<T> items) {
+		if (adapter == null) {
+			throw new UnsupportedOperationException("Adapter not set");
+		}
+		if (items.size() > 0) {
+			adapter.addItems(items);
+		}
+	}
+
+	public void setProgressVisible(boolean visible) {
+		pbLoading.setVisibility(visible ? VISIBLE : GONE);
+		if (visible) {
+			tvEmpty.setVisibility(GONE);
+		}
+	}
+
+	public void showRetryButton(ProgressRecycleViewRetryListener listener) {
+		this.listener = listener;
+		tvEmpty.setVisibility(GONE);
+		ibRetry.setVisibility(VISIBLE);
+	}
+
+	public void setEmptyText(@StringRes int stringResId) {
+		tvEmpty.setText(stringResId);
+	}
+
+	public void setLayoutManager(RecyclerView.LayoutManager layoutManager) {
+		rvList.setLayoutManager(layoutManager);
+	}
+
+	public void setHasFixedSize(boolean fixedSize) {
+		rvList.setHasFixedSize(fixedSize);
+	}
+
+	public void addOnScrollListener(RecyclerView.OnScrollListener listener) {
+		rvList.addOnScrollListener(listener);
+	}
+
+	public void removeOnScrollListener(RecyclerView.OnScrollListener listener) {
+		rvList.removeOnScrollListener(listener);
+	}
+
+	@OnClick(R.id.ibRetry)
+	public void retryButtonClick() {
+		if (listener != null) {
+			listener.onRetryClicked();
+		}
+		ibRetry.setVisibility(GONE);
+	}
+
+	public void updateEmptyViewVisibility() {
+		tvEmpty.setVisibility(ibRetry.getVisibility() == GONE && adapter.getItems().isEmpty() ? VISIBLE : GONE);
+	}
+}