mirror of https://github.com/ThmmyNoLife/mTHMMY
Thodoris Tyrovouzis
5 years ago
12 changed files with 390 additions and 311 deletions
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package gr.thmmy.mthmmy.pagination; |
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import android.annotation.SuppressLint; |
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import android.content.Context; |
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import android.graphics.Rect; |
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import android.os.Handler; |
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import android.util.AttributeSet; |
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import android.view.LayoutInflater; |
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import android.view.MotionEvent; |
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import android.view.View; |
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import android.widget.ImageButton; |
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import android.widget.LinearLayout; |
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import android.widget.TextView; |
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import androidx.annotation.Nullable; |
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import gr.thmmy.mthmmy.R; |
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public class BottomPaginationView extends LinearLayout { |
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/** |
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* Holds the initial time delay before a click on bottom navigation bar is considered long |
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*/ |
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private final long INITIAL_DELAY = 500; |
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private boolean autoIncrement = false; |
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private boolean autoDecrement = false; |
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/** |
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* Holds the number of pages to be added or subtracted from current page on each step while a |
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* long click is held in either next or previous buttons |
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*/ |
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private static final int SMALL_STEP = 1; |
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/** |
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* Holds the number of pages to be added or subtracted from current page on each step while a |
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* long click is held in either first or last buttons |
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*/ |
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private static final int LARGE_STEP = 10; |
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/** |
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* Used for handling bottom navigation bar's buttons long click user interactions |
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*/ |
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private final Handler repeatUpdateHandler = new Handler(); |
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private ImageButton firstPage, previousPage, nextPage, lastPage; |
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private TextView pageIndicator; |
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private int onDownPageIndex, indicatorPageIndex, totalPageCount; |
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private OnPageRequestedListener onPageRequestedListener; |
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public interface OnPageRequestedListener { |
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void onPageRequested(int index); |
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} |
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public BottomPaginationView(Context context) { |
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this(context, null); |
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} |
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public BottomPaginationView(Context context, @Nullable AttributeSet attrs) { |
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super(context, attrs); |
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LayoutInflater inflater = LayoutInflater.from(context); |
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inflater.inflate(R.layout.pagination, this, true); |
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firstPage = findViewById(R.id.page_first_button); |
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previousPage = findViewById(R.id.page_previous_button); |
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pageIndicator = findViewById(R.id.page_indicator); |
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nextPage = findViewById(R.id.page_next_button); |
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lastPage = findViewById(R.id.page_last_button); |
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initDecrementButton(firstPage, LARGE_STEP); |
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initDecrementButton(previousPage, SMALL_STEP); |
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initIncrementButton(nextPage, SMALL_STEP); |
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initIncrementButton(lastPage, LARGE_STEP); |
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} |
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public void setOnPageRequestedListener(OnPageRequestedListener onPageRequestedListener) { |
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this.onPageRequestedListener = onPageRequestedListener; |
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} |
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public boolean setIndicatedPageIndex(int index) { |
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if (index != indicatorPageIndex) { |
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this.indicatorPageIndex = index; |
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updateUI(); |
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return true; |
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} else return false; |
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} |
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public void setTotalPageCount(int totalPageCount) { |
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this.totalPageCount = totalPageCount; |
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updateUI(); |
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} |
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public void updateUI() { |
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pageIndicator.setText(indicatorPageIndex + "/" + totalPageCount); |
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} |
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/** |
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* This class is used to implement the repetitive incrementPageRequestValue/decrementPageRequestValue |
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* of page value when long pressing one of the page navigation buttons. |
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*/ |
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private class RepetitiveUpdater implements Runnable { |
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private final int step; |
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/** |
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* @param step number of pages to add/subtract on each repetition |
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*/ |
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RepetitiveUpdater(int step) { |
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this.step = step; |
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} |
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public void run() { |
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long REPEAT_DELAY = 250; |
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if (autoIncrement) { |
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setIndicatedPageIndex(indicatorPageIndex+step); |
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repeatUpdateHandler.postDelayed(new BottomPaginationView.RepetitiveUpdater(step), REPEAT_DELAY); |
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} else if (autoDecrement) { |
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setIndicatedPageIndex(indicatorPageIndex-step); |
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repeatUpdateHandler.postDelayed(new BottomPaginationView.RepetitiveUpdater(step), REPEAT_DELAY); |
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} |
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} |
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} |
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public boolean incrementPageIndicator(int step) { |
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int oldIndicatorIndex = indicatorPageIndex; |
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if (oldIndicatorIndex <= totalPageCount - step) |
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setIndicatedPageIndex(indicatorPageIndex + step); |
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else |
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setIndicatedPageIndex(totalPageCount); |
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return oldIndicatorIndex != indicatorPageIndex; |
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} |
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public boolean decrementPageIndicator(int step) { |
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int oldIndicatorIndex = indicatorPageIndex; |
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if (oldIndicatorIndex > step) |
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setIndicatedPageIndex(indicatorPageIndex - step); |
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else |
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setIndicatedPageIndex(1); |
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return oldIndicatorIndex != indicatorPageIndex; |
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} |
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@SuppressLint("ClickableViewAccessibility") |
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private void initIncrementButton(ImageButton increment, final int step) { |
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// Increment once for a click
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increment.setOnClickListener(v -> { |
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if (!autoIncrement && step == LARGE_STEP) { |
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boolean indicatorChanged = setIndicatedPageIndex(totalPageCount); |
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if (indicatorChanged) onPageRequestedListener.onPageRequested(indicatorPageIndex); |
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} else if (!autoIncrement) { |
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boolean indicatorChanged = incrementPageIndicator(1); |
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if (indicatorChanged) onPageRequestedListener.onPageRequested(indicatorPageIndex); |
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} |
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}); |
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// Auto increment for a long click
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increment.setOnLongClickListener( |
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arg0 -> { |
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paginationDisable(arg0); |
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autoIncrement = true; |
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repeatUpdateHandler.postDelayed(new BottomPaginationView.RepetitiveUpdater(step), INITIAL_DELAY); |
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return false; |
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} |
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); |
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// When the button is released
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increment.setOnTouchListener(new View.OnTouchListener() { |
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private Rect rect; |
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public boolean onTouch(View v, MotionEvent event) { |
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if (event.getAction() == MotionEvent.ACTION_DOWN) { |
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onDownPageIndex = indicatorPageIndex; |
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rect = new Rect(v.getLeft(), v.getTop(), v.getRight(), v.getBottom()); |
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} else if (rect != null && event.getAction() == MotionEvent.ACTION_UP && autoIncrement) { |
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autoIncrement = false; |
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paginationEnabled(true); |
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onPageRequestedListener.onPageRequested(indicatorPageIndex); |
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} else if (rect != null && event.getAction() == MotionEvent.ACTION_MOVE) { |
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if (!rect.contains(v.getLeft() + (int) event.getX(), v.getTop() + (int) event.getY())) { |
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autoIncrement = false; |
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setIndicatedPageIndex(onDownPageIndex); |
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paginationEnabled(true); |
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} |
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} |
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return false; |
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} |
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}); |
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} |
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@SuppressLint("ClickableViewAccessibility") |
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private void initDecrementButton(ImageButton decrement, final int step) { |
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// Decrement once for a click
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decrement.setOnClickListener(v -> { |
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if (!autoDecrement && step == LARGE_STEP) { |
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boolean indicatorChanged = setIndicatedPageIndex(1); |
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if (indicatorChanged) onPageRequestedListener.onPageRequested(indicatorPageIndex); |
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} else if (!autoDecrement) { |
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boolean indicatorChanged = decrementPageIndicator(1); |
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if (indicatorChanged) onPageRequestedListener.onPageRequested(indicatorPageIndex); |
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} |
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}); |
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// Auto decrement for a long click
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decrement.setOnLongClickListener( |
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arg0 -> { |
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paginationDisable(arg0); |
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autoDecrement = true; |
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repeatUpdateHandler.postDelayed(new RepetitiveUpdater(step), INITIAL_DELAY); |
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return false; |
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} |
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); |
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// When the button is released
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decrement.setOnTouchListener(new View.OnTouchListener() { |
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private Rect rect; |
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public boolean onTouch(View v, MotionEvent event) { |
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if (event.getAction() == MotionEvent.ACTION_DOWN) { |
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onDownPageIndex = indicatorPageIndex; |
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rect = new Rect(v.getLeft(), v.getTop(), v.getRight(), v.getBottom()); |
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} else if (event.getAction() == MotionEvent.ACTION_UP && autoDecrement) { |
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autoDecrement = false; |
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paginationEnabled(true); |
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onPageRequestedListener.onPageRequested(indicatorPageIndex); |
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} else if (event.getAction() == MotionEvent.ACTION_MOVE) { |
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if (rect != null && |
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!rect.contains(v.getLeft() + (int) event.getX(), v.getTop() + (int) event.getY())) { |
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autoIncrement = false; |
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setIndicatedPageIndex(onDownPageIndex); |
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paginationEnabled(true); |
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} |
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} |
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return false; |
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} |
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}); |
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} |
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public void paginationDisable(View exception) { |
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if (exception == firstPage) { |
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previousPage.setEnabled(false); |
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nextPage.setEnabled(false); |
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lastPage.setEnabled(false); |
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} else if (exception == previousPage) { |
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firstPage.setEnabled(false); |
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nextPage.setEnabled(false); |
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lastPage.setEnabled(false); |
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} else if (exception == nextPage) { |
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firstPage.setEnabled(false); |
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previousPage.setEnabled(false); |
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lastPage.setEnabled(false); |
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} else if (exception == lastPage) { |
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firstPage.setEnabled(false); |
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previousPage.setEnabled(false); |
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nextPage.setEnabled(false); |
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} else { |
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paginationEnabled(false); |
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} |
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} |
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public void paginationEnabled(boolean enabled) { |
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firstPage.setEnabled(enabled); |
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previousPage.setEnabled(enabled); |
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nextPage.setEnabled(enabled); |
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lastPage.setEnabled(enabled); |
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} |
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} |
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@ -0,0 +1,54 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<merge xmlns:android="http://schemas.android.com/apk/res/android" |
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xmlns:app="http://schemas.android.com/apk/res-auto" |
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android:background="@color/primary" |
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app:elevation="8dp" |
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app:layout_behavior="gr.thmmy.mthmmy.utils.ScrollAwareLinearBehavior"> |
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<ImageButton |
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android:id="@+id/page_first_button" |
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android:layout_width="wrap_content" |
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android:layout_height="match_parent" |
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android:layout_weight="0.8" |
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android:background="?attr/selectableItemBackgroundBorderless" |
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android:contentDescription="@string/button_first" |
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app:srcCompat="@drawable/page_first" /> |
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<ImageButton |
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android:id="@+id/page_previous_button" |
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android:layout_width="wrap_content" |
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android:layout_height="match_parent" |
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android:layout_weight="0.8" |
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android:background="?attr/selectableItemBackgroundBorderless" |
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android:contentDescription="@string/button_previous" |
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app:srcCompat="@drawable/page_previous" /> |
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<TextView |
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android:id="@+id/page_indicator" |
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android:layout_width="wrap_content" |
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android:layout_height="match_parent" |
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android:layout_gravity="center" |
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android:layout_weight="1" |
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android:gravity="center" |
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android:hint="@string/button_page" |
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android:maxLines="1" |
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android:textColor="@color/white" |
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android:textSize="22sp" /> |
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<ImageButton |
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android:id="@+id/page_next_button" |
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android:layout_width="wrap_content" |
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android:layout_height="match_parent" |
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android:layout_weight="0.8" |
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android:background="?attr/selectableItemBackgroundBorderless" |
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android:contentDescription="@string/button_next" |
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app:srcCompat="@drawable/page_next" /> |
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<ImageButton |
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android:id="@+id/page_last_button" |
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android:layout_width="wrap_content" |
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android:layout_height="match_parent" |
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android:layout_weight="0.8" |
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android:background="?attr/selectableItemBackgroundBorderless" |
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android:contentDescription="@string/button_last" |
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app:srcCompat="@drawable/page_last" /> |
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</merge> |
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@ -1,6 +1,6 @@ |
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#Tue Sep 17 12:32:34 EEST 2019 |
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#Mon Mar 30 15:17:37 EEST 2020 |
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distributionBase=GRADLE_USER_HOME |
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distributionPath=wrapper/dists |
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zipStoreBase=GRADLE_USER_HOME |
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zipStorePath=wrapper/dists |
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distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip |
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distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip |
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