source: tmcsimulator-scriptbuilder/trunk/src/scriptbuilder/gui/drawers/TimeSliceDrawer.java @ 7

package scriptbuilder.gui.drawers;



import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.geom.AffineTransform;

import java.io.File;

import java.io.IOException;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.imageio.ImageIO;

import scriptbuilder.gui.ScriptBuilderGuiConstants;

import scriptbuilder.structures.ScriptEvent;

import scriptbuilder.structures.TimeSlice;

import scriptbuilder.structures.events.I_ScriptEvent;



/**

 * Draws the icons present in one timeslice, in one incident.

 *

 * @author Greg Eddington <geddingt@calpoly.edu>

 * @author Bryan McGuffin

 */

public class TimeSliceDrawer

{



    /**

     * The icon which indicates that there are events present in this timeSlice.

     */

    private static Image sliceEventImage = null;



    /**

     * The default zoom level.

     */

    public static int zoom = 20;



    /**

     * Get the icon to use whenever events are present in the slice. If we don't

     * already have a copy, harvest it from a file.

     *

     * @return The existing copy of Event.png

     */

    private static Image getSliceEventImage()

    {

        if (sliceEventImage == null)

        {

            try

            {

                sliceEventImage = ImageIO.read(images.Images.getImage("Event.png"));

            }

            catch (IOException ex)

            {

                Logger.getLogger(EventIconDrawer.class.getName()).log(Level.SEVERE, null, ex);

            }

        }



        return sliceEventImage;

    }



    /**

     * Draw the events in this timeslice. If any exist, draw the slice event

     * image. If the incident isn't collapsed, draw the event icons as well.

     *

     * @param g2d the graphics component

     * @param slice the timeSlice to draw

     * @param collapsed if true, don't draw the event icons

     */

    public static void DrawTimeSlice(Graphics2D g2d, TimeSlice slice,

            boolean collapsed)

    {

        // If this is an empty slice, return

        if (slice.events.size() == 0)

        {

            return;

        }



        // Draw the slice event icon to show that there are events here

        g2d.drawImage(getSliceEventImage(), slice.getX()

                - ScriptBuilderGuiConstants.EVENT_ICON_WIDTH,

                ScriptBuilderGuiConstants.TIMELINE_EVENT_ICON_MARGIN, null);



        // If the incident isn't collapsed, draw the event icons

        if (!collapsed)

        {

            for (int i = 0; i < slice.events.size(); i++)

            {

                if (i >= ScriptBuilderGuiConstants.MAX_NUMBER_OF_SCRIPT_EVENT_ICON)

                {

                    break;

                }



                I_ScriptEvent event = slice.events.get(i);

                EventIconDrawer.DrawEventIcon(g2d, event, slice.getX()

                        - ScriptBuilderGuiConstants.EVENT_ICON_WIDTH,

                        ScriptBuilderGuiConstants.SCRIPT_EVENT_ICON_TOP_MARGIN

                        + i * ScriptBuilderGuiConstants.SCRIPT_EVENT_ICON_STEP);

            }

        }

    }

}