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/*
 * Scenic View,
 * Copyright (C) 2012 Jonathan Giles, Ander Ruiz, Amy Fowler
 *
 * 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 .
 */
package org.fxconnector.details;

import javafx.beans.value.ObservableValue;
import javafx.scene.Node;
import org.fxconnector.PropertyTracker;
import org.fxconnector.StageID;
import org.fxconnector.details.Detail.LabelType;
import org.fxconnector.details.Detail.ValueType;
import org.fxconnector.event.DetailsEvent;
import org.fxconnector.event.FXConnectorEvent.SVEventType;
import org.fxconnector.event.FXConnectorEventDispatcher;

import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

abstract class DetailPaneInfo {

	private Object target;
	static final DecimalFormat f = new DecimalFormat("0.0#");

	final PropertyTracker tracker = new PropertyTracker() {
		@Override
		protected void updateDetail(final String propertyName, @SuppressWarnings("rawtypes") final ObservableValue property) {
			if (propertyName == null) return;
			DetailPaneInfo.this.updateDetail(propertyName);
		}

	};
	private final FXConnectorEventDispatcher dispatcher;
	private final DetailPaneType type;
	private int id;
	private final StageID stageID;
	protected final List details = new ArrayList<>();

	DetailPaneInfo(final FXConnectorEventDispatcher dispatcher, final StageID stageID, final DetailPaneType type) {
		this.dispatcher = dispatcher;
		this.stageID = stageID;
		this.type = type;
		createDetails();
	}

	abstract boolean targetMatches(Object target);

	void setTarget(final Object value) {
		if (doSetTarget(value)) {
			updateAllDetails();
		}
	}

	final void clear() {
		doSetTarget(null);
		final List empty = Collections.emptyList();
		dispatcher.dispatchEvent(new DetailsEvent(SVEventType.DETAILS, stageID, type, getPaneName(), empty));
	}

	protected final boolean doSetTarget(final Object value) {
		if (target == value)
			return false;

		final Object old = target;
		if (old != null) {
			tracker.clear();
		}
		target = value;
		if (target != null) {
			tracker.setTarget(target);
		}
		return true;
	}

	final Object getTarget() {
		return target;
	}

	void setShowCSSProperties(final boolean show) {
	}

	protected String getPaneName() {
		return getTargetClass().getSimpleName() + " Details";
	}

	abstract Class getTargetClass();

	protected final Detail addDetail(final String property, final String label) {
		return addDetail(property, label, ValueType.NORMAL);
	}

	protected final Detail addDetail(final String property, final String label, final ValueType type) {
		final Detail detail = new Detail(dispatcher, stageID, this.type, id++);
		detail.setProperty(property);
		detail.setLabel(label);
		detail.setValueType(type);
		detail.setDetailName(getPaneName());
		details.add(detail);
		return detail;
	}

	protected final Detail addDetail(final String property, final String label, final LabelType type) {
		final Detail detail = new Detail(dispatcher, stageID, this.type, id++);
		detail.setProperty(property);
		detail.setLabel(label);
		detail.setLabelType(type);
		detail.setDetailName(getPaneName());
		details.add(detail);
		return detail;
	}

	final void sendAllDetails() {
		dispatcher.dispatchEvent(new DetailsEvent(SVEventType.DETAILS, stageID, type, getPaneName(), details));
	}

	protected void updateAllDetails() {
		updateDetail("*");
	}

	protected abstract void updateDetail(final String propertyName);

	protected abstract void createDetails();

	final DetailPaneType getType() {
		return type;
	}

	final void setDetail(final int detailID, final String value) {
		for (final Detail d : details) {
			if (d.getDetailID() == detailID && d.serializer != null) {
				d.serializer.setValue(value);
				break;
			}
		}
	}
}