package jp.ac.aiit.jointry.models.blocks.statement;
import java.util.ArrayList;
import java.util.List;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Shape;
import jp.ac.aiit.jointry.controllers.ResizePane;
import jp.ac.aiit.jointry.models.blocks.Block;
import jp.ac.aiit.jointry.models.blocks.Connector;
import jp.ac.aiit.jointry.models.blocks.statement.codeblock.CodeBlock;
import jp.ac.aiit.jointry.services.broker.app.BlockDialog;
import static jp.ac.aiit.jointry.services.broker.app.JointryCommon.M_BLOCK_MOVE;
import static jp.ac.aiit.jointry.services.broker.app.JointryCommon.M_BLOCK_ADDLINK;
import static jp.ac.aiit.jointry.services.broker.app.JointryCommon.M_BLOCK_ADDCHILD;
public abstract class Statement extends Block {
public Statement myBlock;
public Statement prevBlock;
public Statement nextBlock;
public CodeBlock parentBlock;
public Connector topCon;
public Connector bottomCon;
public Connector leftCon;
public Connector rightCon;
public Statement() {
super();
this.myBlock = this;
makeConnectors();
addEventFilter(MouseEvent.MOUSE_RELEASED, new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent t) {
if (getConnector() == null) {
return;
}
// 上下の接続
if (con.getPosition() == Connector.Position.BOTTOM) {
Statement target = (Statement) con.getHolder();
if (target != nextBlock) {
target.addLink((Statement) myBlock);
move(target.getLayoutX(),
target.getLayoutY() + target.getHeight());
con.touch();
BlockDialog.sendMessage(M_BLOCK_ADDLINK, myBlock);
}
}
// 包含の接続
if (con.getPosition() == Connector.Position.RIGHT) {
if (con.getHolder() instanceof CodeBlock) {
CodeBlock target = (CodeBlock) con.getHolder();
target.addChild(myBlock);
// 子供要素
Statement next = myBlock.nextBlock;
while (next != null) {
target.addChild(next);
next = next.nextBlock;
}
move(target.getLayoutX() + target.wLeft,
target.getLayoutY() + target.hUpper);
con.touch();
target.resize();
BlockDialog.sendMessage(M_BLOCK_ADDCHILD, myBlock);
}
return;
}
}
});
// Use Filter (not Handler) to fire first.
addEventFilter(MouseEvent.MOUSE_DRAGGED, new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
initializeLink();
// Move
double dx = mouseEvent.getSceneX() + anchorX;
double dy = mouseEvent.getSceneY() + anchorY;
move(dx, dy);
BlockDialog.sendMessage(M_BLOCK_MOVE, myBlock);
if (getCollision() == null) {
return;
}
// 上下の接続（確認）
if (con.getPosition() == Connector.Position.BOTTOM) {
Statement target = (Statement) con.getHolder();
if (target != nextBlock) {
move(target.getLayoutX(),
target.getLayoutY() + target.getHeight());
con.touch();
}
}
// 包含の接続
if (con.getPosition() == Connector.Position.RIGHT) {
if (con.getHolder() instanceof CodeBlock) {
CodeBlock target = (CodeBlock) con.getHolder();
move(target.getLayoutX() + target.wLeft,
target.getLayoutY() + target.hUpper);
con.touch();
}
return;
}
}
});
}
/**
* ドラッグするブロックを先頭にする.
*/
@Override
public void initializeLink() {
// 前のブロックを外す
if (prevBlock != null) {
prevBlock.nextBlock = null;
}
prevBlock = null;
// 親のブロックを外す
if (parentBlock != null) {
List<Statement> blocks = this.fetchAllNextBlocks();
blocks.add(this);
parentBlock.childBlocks.removeAll(blocks);
parentBlock.resize();
}
parentBlock = null;
}
public Connector getCollision() {
Connector connector = null;
BorderPane root = (BorderPane) getScene().getRoot();
TabPane tabs = (TabPane) root.getCenter();
for (Tab tab : tabs.getTabs()) {
if (tab == null) {
continue;
}
if (!"scriptContent".equals(tab.getContent().getId())) {
continue;
}
// Inside scriptPane
ResizePane pane = (ResizePane) tab.getContent();
Pane scriptPane = (Pane) pane.getContent();
for (Node node : scriptPane.getChildren()) {
if (node == myBlock) {
continue;
}
if (!(node instanceof Statement)) {
continue;
}
// Inside Block
Statement target = (Statement) node;
for (Node n : target.getChildren()) {
if (n instanceof Connector) {
Connector c = (Connector) n;
c.detouch();
Shape intersect = null;
// 上下の接触
intersect = Shape.intersect(c, myBlock.topCon);
if (intersect.getBoundsInLocal().getWidth() != -1) {
connector = c;
break;
}
// 包含の接触
intersect = Shape.intersect(c, myBlock.leftCon);
if (intersect.getBoundsInLocal().getWidth() != -1) {
connector = c;
break;
}
}
}
}
}
if (connector != null) {
setConnector(connector);
}
return connector;
}
@Override
public void move(double dx, double dy) {
super.move(dx, dy);
if (nextBlock != null) {
nextBlock.move(dx, dy + getHeight());
}
}
@Override
public double fetchAllHeight() {
double height = super.fetchAllHeight();
if (nextBlock != null) {
height += nextBlock.fetchAllHeight();
}
return height;
}
/**
* 縦方向にブロックを接続する.
*
* @param next 次のブロック
*/
public void addLink(Statement next) {
Statement tmp = this.nextBlock;
this.nextBlock = next;
next.prevBlock = this;
if (tmp != null) {
next.nextBlock = tmp;
tmp.prevBlock = next;
}
// 包含関係も考慮する
Statement prevTop = fetchPrevTopBlock();
if (prevTop.parentBlock != null) {
prevTop.parentBlock.addChild(next);
for (Statement p : next.fetchAllNextBlocks()) {
prevTop.parentBlock.addChild(p);
}
prevTop.parentBlock.resize();
}
}
/**
* 縦方向の最上部にあるブロックを取得する.
*
* @return
*/
public Statement fetchPrevTopBlock() {
if (prevBlock == null) {
return this;
} else {
return prevBlock.fetchPrevTopBlock();
}
}
public List<Statement> fetchAllNextBlocks() {
List<Statement> list = new ArrayList<>();
Statement nb = this.nextBlock;
while (nb != null) {
list.add(nb);
nb = nb.nextBlock;
}
return list;
}
public boolean isTopLevelBlock() {
return (prevBlock == null && parentBlock == null);
}
@Override
public void show() {
getSprite().getScriptPane().getChildren().add(this);
if (nextBlock != null) {
nextBlock.show();
}
}
protected void makeConnectors() {
this.topCon = new Connector();
this.bottomCon = new Connector();
this.leftCon = new Connector();
this.rightCon = new Connector();
double connector_width = BASIC_WIDTH; //- 125;
double connector_margin = (BASIC_WIDTH - connector_width) / 2.0;
// TODO: サイズはPaneと連動させないといけない。Observerかなあ？
topCon.setFill(Color.TRANSPARENT);
topCon.setWidth(connector_width);
topCon.setHeight(10);
topCon.setHolder(this);
topCon.setPosition(Connector.Position.TOP);
AnchorPane.setTopAnchor(topCon, 0.0);
AnchorPane.setLeftAnchor(topCon, connector_margin);
bottomCon.setFill(Color.TRANSPARENT);
bottomCon.setWidth(connector_width);
bottomCon.setHeight(10);
bottomCon.setHolder(this);
bottomCon.setPosition(Connector.Position.BOTTOM);
AnchorPane.setBottomAnchor(bottomCon, 0.0);
AnchorPane.setLeftAnchor(bottomCon, connector_margin);
leftCon.setFill(Color.TRANSPARENT);
leftCon.setWidth(10);
leftCon.setHeight(BASIC_HEIGHT);
leftCon.setHolder(this);
leftCon.setPosition(Connector.Position.LEFT);
AnchorPane.setLeftAnchor(leftCon, 0.0);
rightCon.setFill(Color.TRANSPARENT);
rightCon.setWidth(10);
rightCon.setHeight(BASIC_HEIGHT);
rightCon.setHolder(this);
rightCon.setPosition(Connector.Position.RIGHT);
AnchorPane.setRightAnchor(rightCon, 0.0);
getChildren().addAll(topCon, bottomCon, leftCon, rightCon);
}
@Override
public void remove() {
super.remove();
initializeLink();
}
}