package timeflow.vis.calendar;

import java.awt.*;
import java.util.Collection;


import timeflow.model.*;
import timeflow.vis.*;
import timeflow.data.time.*;
import timeflow.data.db.*;

public class CalendarVisuals {
	VisualEncoder encoder;
	TFModel model;
	Rectangle bounds=new Rectangle();
	public Grid grid;
	
	public enum Layout {DAY, WEEK, MONTH, YEAR};
	private Layout layoutStyle=Layout.DAY;
	
	public enum DrawStyle {LABEL, ICON};
	DrawStyle drawStyle=DrawStyle.ICON;
	
	public enum FitStyle {LOOSE, TIGHT};
	FitStyle fitStyle=FitStyle.LOOSE;
	
	public CalendarVisuals(TFModel model)
	{
		this.model=model;
		encoder=new VisualEncoder(model);
	}	
	
	public void render(Graphics2D g, Collection<Mouseover> objectLocations)
	{
		grid.render(g, model.getDisplay(), bounds, this, objectLocations);
	}	
	
	public Interval getGlobalInterval()
	{
		return DBUtils.range(model.getDB().all(), VirtualField.START);
	}
	
	public Rectangle getBounds() {
		return bounds;
	}

	public void setBounds(int x, int y, int w, int h) {
		bounds.setBounds(x,y,w,h);
		if (grid==null)
			makeGrid(true);
	}
	
	public void setDrawStyle(DrawStyle drawStyle)
	{
		this.drawStyle=drawStyle;
	}
	
	public void setLayoutStyle(Layout layoutStyle)
	{
		this.layoutStyle=layoutStyle;
		makeGrid(true);
	}
	
	public void setFitStyle(FitStyle fitStyle)
	{
		this.fitStyle=fitStyle;
		makeGrid(true);
	}
	
	public void makeGrid(boolean fresh)
	{
		Interval interval=getGlobalInterval();
		int dy=0;
		if (grid!=null)
			dy=grid.dy;
		switch(layoutStyle)
		{
			case DAY: grid=new Grid(TimeUnit.WEEK, TimeUnit.DAY_OF_WEEK, interval); break;
			case WEEK: grid=new Grid(TimeUnit.multipleWeeks(8), TimeUnit.WEEK, interval); break;
			case MONTH: grid=new Grid(TimeUnit.YEAR, TimeUnit.MONTH, interval); break;
			case YEAR: grid=new Grid(TimeUnit.DECADE, TimeUnit.YEAR, interval); 
		}		
		grid.makeCells(encoder.getVisualActs());
		if (!fresh)
			grid.dy=dy;
	}

	public void init()
	{
		note(new TFEvent(TFEvent.Type.DATABASE_CHANGE,null));
	}
	
	public void initAllButGrid()
	{
		encoder.createVisualActs();
		encoder.apply();
	}
	
	public void note(TFEvent e) {
		if (e.affectsRowSet())
		{
			encoder.createVisualActs();
		}

		updateVisuals(e.affectsRowSet());
	}
		
	public void updateVisuals(boolean fresh)
	{
		encoder.apply();
		makeGrid(fresh);
	}
}