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GNU General Public License
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package com.fima.cardsui.objects; //from w w w. j a v a2s . c om import java.util.ArrayList; import android.content.Context; import android.graphics.Color; import android.text.TextUtils; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnLongClickListener; import android.widget.RelativeLayout; import android.widget.TextView; import com.fima.cardsui.R; import com.fima.cardsui.StackAdapter; import com.fima.cardsui.SwipeDismissTouchListener; import com.fima.cardsui.SwipeDismissTouchListener.OnDismissCallback; import com.fima.cardsui.Utils; import com.nineoldandroids.animation.Animator; import com.nineoldandroids.animation.Animator.AnimatorListener; import com.nineoldandroids.animation.ObjectAnimator; public class CardStack extends AbstractCard { private static final float _12F = 12f; private static final float _45F = 45f; private static final String NINE_OLD_TRANSLATION_Y = "translationY"; private ArrayList<Card> cards; private String title, stackTitleColor; private StackAdapter mAdapter; private int mPosition; private Context mContext; private CardStack mStack; public CardStack() { cards = new ArrayList<Card>(); mStack = this; } public CardStack(String title) { cards = new ArrayList<Card>(); mStack = this; setTitle(title); } public ArrayList<Card> getCards() { return cards; } public void add(Card newCard) { cards.add(newCard); } @Override public View getView(Context context) { return getView(context, null, false); } @Override public View getView(Context context, boolean swipable) { return getView(context, null, swipable); } public View getView(Context context, View convertView, boolean swipable) { mContext = context; // try to recycle views if possible Log.d("CardStack", String.format("Checking to recycle view. convertView is %s", (convertView == null ? "null" : "not null"))); if (convertView != null) { Log.d("CardStack", String.format("Checking types. convertView is %d, need %d", convertView.getId(), R.id.stackRoot)); // can only convert something with the correct root element if (convertView.getId() == R.id.stackRoot) if (convert(convertView)) return convertView; } final View view = LayoutInflater.from(context).inflate( R.layout.item_stack, null); assert view != null; final RelativeLayout container = (RelativeLayout) view .findViewById(R.id.stackContainer); final TextView title = (TextView) view.findViewById(R.id.stackTitle); if (!TextUtils.isEmpty(this.title)) { if (stackTitleColor == null) stackTitleColor = context.getResources().getString(R.color.card_title_text); title.setTextColor(Color.parseColor(stackTitleColor)); title.setText(this.title); title.setVisibility(View.VISIBLE); } final int cardsArraySize = cards.size(); final int lastCardPosition = cardsArraySize - 1; Card card; View cardView; for (int i = 0; i < cardsArraySize; i++) { card = cards.get(i); RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams( RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT); int topPx = 0; // handle the view if (i == 0) { cardView = card.getViewFirst(context); } else if (i == lastCardPosition) { cardView = card.getViewLast(context); } else { cardView = card.getView(context); } // handle the listener if (i == lastCardPosition) { cardView.setOnClickListener(card.getClickListener()); cardView.setOnLongClickListener(card.getOnLongClickListener()); } else { cardView.setOnClickListener(getClickListener(this, container, i)); cardView.setOnLongClickListener(getOnLongClickListener(this, container, i)); } if (i > 0) { float dp = (_45F * i) - _12F; topPx = Utils.convertDpToPixelInt(context, dp); } lp.setMargins(0, topPx, 0, 0); cardView.setLayoutParams(lp); if (swipable) { cardView.setOnTouchListener(new SwipeDismissTouchListener( cardView, card, new OnDismissCallback() { @Override public void onDismiss(View view, Object token) { Card c = (Card) token; // call onCardSwiped() listener c.OnSwipeCard(); cards.remove(c); mAdapter.setItems(mStack, getPosition()); // refresh(); mAdapter.notifyDataSetChanged(); } })); } container.addView(cardView); } return view; } /** * Attempt to modify the convertView instead of inflating a new View for this CardStack. * If convertView isn't compatible, it isn't modified. * @param convertView view to try reusing * @return true on success, false if the convertView is not compatible */ private boolean convert(View convertView) { // only convert singleton stacks if (cards.size() != 1) { Log.d("CardStack", "Can't convert view: num cards is " + cards.size()); return false; } RelativeLayout container = (RelativeLayout) convertView.findViewById(R.id.stackContainer); if (container == null) { Log.d("CardStack", "Can't convert view: can't find stackContainer"); return false; } if (container.getChildCount() != 1) { Log.d("CardStack", "Can't convert view: child count is " + container.getChildCount()); return false; } // check to see if they're compatible Card types Card card = cards.get(0); View convertCardView = container.getChildAt(0); if (convertCardView == null || convertCardView.getId() != card.getId()) { Log.d("CardStack", String.format("Can't convert view: child Id is 0x%x, card Id is 0x%x", convertCardView != null ? convertCardView.getId() : 0, card.getId())); return false; } return card.convert(convertCardView); } public Card remove(int index) { return cards.remove(index); } public Card get(int i) { return cards.get(i); } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String setColor(String color) { return this.stackTitleColor = color; } private OnClickListener getClickListener(final CardStack cardStack, final RelativeLayout container, final int index) { return new OnClickListener() { @Override public void onClick(View v) { // init views array View[] views = new View[container.getChildCount()]; for (int i = 0; i < views.length; i++) { views[i] = container.getChildAt(i); } int last = views.length - 1; if (index != last) { if (index == 0) { onClickFirstCard(cardStack, container, index, views); } else if (index < last) { onClickOtherCard(cardStack, container, index, views, last); } } } public void onClickFirstCard(final CardStack cardStack, final RelativeLayout frameLayout, final int index, View[] views) { // run through all the cards for (int i = 0; i < views.length; i++) { ObjectAnimator anim = null; if (i == 0) { // the first goes all the way down float downFactor = 0; if (views.length > 2) { downFactor = convertDpToPixel((_45F) * (views.length - 1) - 1); } else { downFactor = convertDpToPixel(_45F); } anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, downFactor); anim.addListener(getAnimationListener(cardStack, frameLayout, index, views[index])); } else if (i == 1) { // the second goes up just a bit float upFactor = convertDpToPixel(-17f); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, upFactor); } else { // the rest go up by one card float upFactor = convertDpToPixel(-1 * _45F); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, upFactor); } if (anim != null) anim.start(); } } public void onClickOtherCard(final CardStack cardStack, final RelativeLayout frameLayout, final int index, View[] views, int last) { // if clicked card is in middle for (int i = index; i <= last; i++) { // run through the cards from the clicked position // and on until the end ObjectAnimator anim = null; if (i == index) { // the selected card goes all the way down float downFactor = convertDpToPixel(_45F * (last - i) + _12F); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, downFactor); anim.addListener(getAnimationListener(cardStack, frameLayout, index, views[index])); } else { // the rest go up by one float upFactor = convertDpToPixel(_45F * -1); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, upFactor); } if (anim != null) anim.start(); } } }; } private OnLongClickListener getOnLongClickListener(final CardStack cardStack, final RelativeLayout container, final int index) { return new OnLongClickListener() { @Override public boolean onLongClick(View v) { // init views array View[] views = new View[container.getChildCount()]; for (int i = 0; i < views.length; i++) { views[i] = container.getChildAt(i); } int last = views.length - 1; if (index != last) { if (index == 0) { onClickFirstCard(cardStack, container, index, views); } else if (index < last) { onClickOtherCard(cardStack, container, index, views, last); } } return false; } public void onClickFirstCard(final CardStack cardStack, final RelativeLayout frameLayout, final int index, View[] views) { // run through all the cards for (int i = 0; i < views.length; i++) { ObjectAnimator anim = null; if (i == 0) { // the first goes all the way down float downFactor = 0; if (views.length > 2) { downFactor = convertDpToPixel((_45F) * (views.length - 1) - 1); } else { downFactor = convertDpToPixel(_45F); } anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, downFactor); anim.addListener(getAnimationListener(cardStack, frameLayout, index, views[index])); } else if (i == 1) { // the second goes up just a bit float upFactor = convertDpToPixel(-17f); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, upFactor); } else { // the rest go up by one card float upFactor = convertDpToPixel(-1 * _45F); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, upFactor); } if (anim != null) anim.start(); } } public void onClickOtherCard(final CardStack cardStack, final RelativeLayout frameLayout, final int index, View[] views, int last) { // if clicked card is in middle for (int i = index; i <= last; i++) { // run through the cards from the clicked position // and on until the end ObjectAnimator anim = null; if (i == index) { // the selected card goes all the way down float downFactor = convertDpToPixel(_45F * (last - i) + _12F); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, downFactor); anim.addListener(getAnimationListener(cardStack, frameLayout, index, views[index])); } else { // the rest go up by one float upFactor = convertDpToPixel(_45F * -1); anim = ObjectAnimator.ofFloat(views[i], NINE_OLD_TRANSLATION_Y, 0, upFactor); } if (anim != null) anim.start(); } } }; } protected float convertDpToPixel(float dp) { return Utils.convertDpToPixel(mContext, dp); } private AnimatorListener getAnimationListener(final CardStack cardStack, final RelativeLayout frameLayout, final int index, final View clickedCard) { return new AnimatorListener() { @Override public void onAnimationStart(Animator animation) { if (index == 0) { View newFirstCard = frameLayout.getChildAt(1); handleFirstCard(newFirstCard); // clickedCard.setBackgroundResource(com.fima.cardsui.R.drawable.); // newFirstCard.setBackgroundResource(com.fima.cardsui.R.drawable.card_background); // FrameLayout.LayoutParams lp = new // FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, // FrameLayout.LayoutParams.WRAP_CONTENT); // // if (index > 0) { // top = convertDpToPixelInt(8) + (convertDpToPixelInt(36f) // * index); // bottom = 24; // // } // // else if (0 == index) { // top = 2 * convertDpToPixelInt(8) + // convertDpToPixelInt(1); // bottom = convertDpToPixelInt(12); // } // // lp.setMargins(0, top, 0, bottom); // // clickedCard.setLayoutParams(lp); // clickedCard.setPadding(0, convertDpToPixelInt(20), 0, 0); } else { clickedCard .setBackgroundResource(com.fima.cardsui.R.drawable.card_background); } frameLayout.removeView(clickedCard); frameLayout.addView(clickedCard); } private void handleFirstCard(View newFirstCard) { newFirstCard .setBackgroundResource(com.fima.cardsui.R.drawable.card_background); RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams( RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT); int top = 0; int bottom = 0; top = 2 * Utils.convertDpToPixelInt(mContext, 8) + Utils.convertDpToPixelInt(mContext, 1); bottom = Utils.convertDpToPixelInt(mContext, 12); lp.setMargins(0, top, 0, bottom); newFirstCard.setLayoutParams(lp); newFirstCard.setPadding(0, Utils.convertDpToPixelInt(mContext, 8), 0, 0); } @Override public void onAnimationRepeat(Animator animation) { // TODO Auto-generated method stub } @Override public void onAnimationEnd(Animator animation) { Card card = cardStack.remove(index); cardStack.add(card); mAdapter.setItems(cardStack, cardStack.getPosition()); // refresh(); mAdapter.notifyDataSetChanged(); Log.v("CardsUI", "Notify Adapter"); } @Override public void onAnimationCancel(Animator animation) { // TODO Auto-generated method stub } }; } public void setAdapter(StackAdapter stackAdapter) { mAdapter = stackAdapter; } public void setPosition(int position) { mPosition = position; } public int getPosition() { return mPosition; } }