/******************************************************************************* * Solitaire * * Copyright (C) 2016 by Martin P. Robillard * * See: https://github.com/prmr/Solitaire * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. *******************************************************************************/ package ca.mcgill.cs.stg.solitaire.gui; import ca.mcgill.cs.stg.solitaire.cards.Card; import ca.mcgill.cs.stg.solitaire.cards.CardImages; import ca.mcgill.cs.stg.solitaire.cards.CardStack; import ca.mcgill.cs.stg.solitaire.model.GameModel; import ca.mcgill.cs.stg.solitaire.model.GameModelListener; import ca.mcgill.cs.stg.solitaire.model.TableauPile; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.effect.DropShadow; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.input.ClipboardContent; import javafx.scene.input.DragEvent; import javafx.scene.input.Dragboard; import javafx.scene.input.MouseEvent; import javafx.scene.input.TransferMode; import javafx.scene.layout.StackPane; /** * Component that shows a stack of cards in * the bottom stacks. */ public class CardPileView extends StackPane implements GameModelListener { private static final int PADDING = 5; private static final int Y_OFFSET = 17; private static final ClipboardContent CLIPBOARD_CONTENT = new ClipboardContent(); private TableauPile aIndex; CardPileView(TableauPile pIndex) { aIndex = pIndex; setPadding(new Insets(PADDING)); setAlignment(Pos.TOP_CENTER); buildLayout(); GameModel.instance().addListener(this); } private static Image getImage(Card pCard) { if( GameModel.instance().isVisibleInTableau(pCard) ) { return CardImages.getCard(pCard); } else { return CardImages.getBack(); } } private void buildLayout() { getChildren().clear(); int offset = 0; CardStack stack = GameModel.instance().getTableauPile(aIndex); if( stack.isEmpty() ) // this essentially acts as a spacer { ImageView image = new ImageView(CardImages.getBack()); image.setVisible(false); getChildren().add(image); return; } for( Card cardView : stack) { final ImageView image = new ImageView(getImage(cardView)); image.setTranslateY(Y_OFFSET * offset); offset++; getChildren().add(image); setOnDragOver(createDragOverHandler(image, cardView)); setOnDragEntered(createDragEnteredHandler(image, cardView)); setOnDragExited(createDragExitedHandler(image, cardView)); setOnDragDropped(createDragDroppedHandler(image, cardView)); if( GameModel.instance().isVisibleInTableau(cardView)) { image.setOnDragDetected(createDragDetectedHandler(image, cardView)); } } } private EventHandler<MouseEvent> createDragDetectedHandler(final ImageView pImageView, final Card pCard) { return new EventHandler<MouseEvent>() { @Override public void handle(MouseEvent pMouseEvent) { Dragboard db = pImageView.startDragAndDrop(TransferMode.ANY); CLIPBOARD_CONTENT.putString(CardTransfer.serialize(GameModel.instance().getSubStack(pCard, aIndex))); db.setContent(CLIPBOARD_CONTENT); pMouseEvent.consume(); } }; } private EventHandler<DragEvent> createDragOverHandler(final ImageView pImageView, final Card pCard) { return new EventHandler<DragEvent>() { @Override public void handle(DragEvent pEvent) { if(pEvent.getGestureSource() != pImageView && pEvent.getDragboard().hasString()) { CardTransfer transfer = new CardTransfer(pEvent.getDragboard().getString()); if( GameModel.instance().isLegalMove(transfer.getTop(), aIndex) ) { pEvent.acceptTransferModes(TransferMode.MOVE); } } pEvent.consume(); } }; } private EventHandler<DragEvent> createDragEnteredHandler(final ImageView pImageView, final Card pCard) { return new EventHandler<DragEvent>() { @Override public void handle(DragEvent pEvent) { CardTransfer transfer = new CardTransfer(pEvent.getDragboard().getString()); if( GameModel.instance().isLegalMove(transfer.getTop(), aIndex) ) { pImageView.setEffect(new DropShadow()); } pEvent.consume(); } }; } private EventHandler<DragEvent> createDragExitedHandler(final ImageView pImageView, final Card pCard) { return new EventHandler<DragEvent>() { @Override public void handle(DragEvent pEvent) { pImageView.setEffect(null); pEvent.consume(); } }; } private EventHandler<DragEvent> createDragDroppedHandler(final ImageView pImageView, final Card pCard) { return new EventHandler<DragEvent>() { @Override public void handle(DragEvent pEvent) { Dragboard db = pEvent.getDragboard(); boolean success = false; if(db.hasString()) { GameModel.instance().getCardMove(new CardTransfer(db.getString()).getTop(), aIndex).perform(); success = true; } pEvent.setDropCompleted(success); pEvent.consume(); } }; } @Override public void gameStateChanged() { buildLayout(); } }