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/*
 *  Copyright (C) 2017 Dirk Lemmermann Software & Consulting (dlsc.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.calendarfx.view;

import com.calendarfx.model.Calendar;
import com.calendarfx.model.CalendarSource;
import impl.com.calendarfx.view.SourceGridViewSkin;
import javafx.beans.binding.Bindings;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.collections.ObservableMap;
import javafx.scene.control.Skin;
import org.controlsfx.control.PropertySheet.Item;

import java.util.Optional;

public class SourceGridView extends CalendarFXControl {

    private static final int DEFAULT_MAXIMUM_ROWS_PER_COLUMN = 5;

    @Override
    protected Skin createDefaultSkin() {
        return new SourceGridViewSkin(this);
    }

    public final void bind(DateControl dateControl) {
        Bindings.bindContentBidirectional(calendarSources, dateControl.getCalendarSources());
        Bindings.bindContentBidirectional(calendarVisibilityMap, dateControl.getCalendarVisibilityMap());
    }

    public final void unbind(DateControl dateControl) {
        Bindings.unbindContentBidirectional(calendarSources, dateControl.getCalendarSources());
        Bindings.unbindContentBidirectional(calendarVisibilityMap, dateControl.getCalendarVisibilityMap());
    }

    private final ObservableList calendarSources = FXCollections.observableArrayList();

    public final ObservableList getCalendarSources() {
        return calendarSources;
    }

    private final ObservableMap calendarVisibilityMap = FXCollections.observableHashMap();

    public final ObservableMap getCalendarVisibilityMap() {
        return calendarVisibilityMap;
    }

    public final BooleanProperty getCalendarVisibilityProperty(Calendar calendar) {
        return calendarVisibilityMap.computeIfAbsent(calendar, cal -> new SimpleBooleanProperty(SourceGridView.this, "visible", true));
    }

    public final boolean isCalendarVisible(Calendar calendar) {
        BooleanProperty prop = getCalendarVisibilityProperty(calendar);
        return prop.get();
    }

    public final void setCalendarVisibility(Calendar calendar, boolean visible) {
        BooleanProperty prop = getCalendarVisibilityProperty(calendar);
        prop.set(visible);
    }

    private final IntegerProperty maximumRowsPerColumn = new SimpleIntegerProperty(this, "maximumRowsPerColumn", DEFAULT_MAXIMUM_ROWS_PER_COLUMN) {
        @Override
        public void set(int newValue) {
            if (newValue < 1) {
                throw new RuntimeException("Invalid Number! " + newValue);
            }
            super.set(newValue);
        }
    };

    public final IntegerProperty maximumRowsPerColumnProperty() {
        return maximumRowsPerColumn;
    }

    public final int getMaximumRowsPerColumn() {
        return maximumRowsPerColumnProperty().get();
    }


    public final void setMaximumRowsPerColumn(final int maximumRowsPerColumn) {
        maximumRowsPerColumnProperty().set(maximumRowsPerColumn);
    }

    private static final String SOURCE_GRID_VIEW_CATEGORY = "Source Grid View";

    @Override
    public ObservableList getPropertySheetItems() {
        ObservableList items = super.getPropertySheetItems();

        items.add(new Item() {
            @Override
            public void setValue(Object value) {
                setMaximumRowsPerColumn((int) value);
            }

            @Override
            public Object getValue() {
                return getMaximumRowsPerColumn();
            }

            @Override
            public Class getType() {
                return Integer.class;
            }

            @Override
            public Optional> getObservableValue() {
                return Optional.of(maximumRowsPerColumnProperty());
            }

            @Override
            public String getName() {
                return "Maximum Rows Per Column";
            }

            @Override
            public String getDescription() {
                return "The maximum number of rows per column";
            }

            @Override
            public String getCategory() {
                return SOURCE_GRID_VIEW_CATEGORY;
            }
        });

        return items;
    }

}