source: trunk/org/expeditee/gui/FrameCreator.java@ 4

package org.expeditee.gui;

import java.awt.Color;

import org.expeditee.items.Item;
import org.expeditee.items.Text;

public class FrameCreator {

        private String _name;
        
        private final static int START_Y = 40;

        private final static int START_X = 20;

        private Frame _current = null;

        private int _lastX = START_X;

        private int _maxX = 0;

        private int _lastY =  START_Y;

        private Text _Mnext = new Text(-1, "@Next");

        private Text _Mprev = new Text(-1, "@Previous");

        private Item _next;

        private Item _prev;

        public FrameCreator(String name, boolean recreate) {
                int num = -1;
                if (!recreate)
                        num = FrameIO.getLastNumber(name);

                Frame toUse = null;

                if (num == -1)
                        toUse = FrameIO.CreateFrameset(name, FrameIO.HELP_PATH);
                else
                        toUse = FrameIO.CreateFrame(name, name, null);

                _name = name;
                _lastY += toUse.getTitle().getPosition().y;
                _current = toUse;

                // set positions of next\prev frame links
                _Mnext.setPosition(FrameGraphics.getMaxSize().width - 100,
                                FrameGraphics.getMaxSize().height - 15);
                _Mprev.setPosition(50, FrameGraphics.getMaxSize().height - 15);
        }

        /**
         * Creates the next frame in the frameset, with a previous button already
         * added and linked to the last frame. _current then gets updated to point
         * at the newly created Frame, and _lastY is reset
         */
        public void createNextFrame() {
                Frame newFrame = FrameIO.CreateFrame(_current.getFramesetName(),
                                _name, null);

                // add link to previous frame
                _prev = _Mprev.copy();
                _prev.setID(newFrame.getNextItemID());
                _prev.setLink(_current.getFrameName());
                newFrame.addItem(_prev);

                // add link to new frame
                _next = _Mnext.copy();
                _next.setID(_current.getNextItemID());
                _next.setLink(newFrame.getFrameName());
                _current.addItem(_next);
                FrameIO.SaveFrame(_current, false);

                // update\reset globals
                _current = newFrame;
                _lastY = START_Y + _current.getTitle().getPosition().y;;
                _lastX = START_X;
                _maxX = 0;
        }

        public void addItem(Item toAdd) {
                // if we have reached the end of the Y axis, try moving over on the X
                // axis
                if (_lastY >= _Mprev.getY() - _Mprev.getBoundsHeight()) {
                        _lastX = _maxX + 10;
                        _lastY = START_Y;
                }

                // if there is no more room on the X axis, we have to start a new frame
                if (toAdd.getBoundsWidth() + _lastX > FrameGraphics.getMaxSize().width) {
                        createNextFrame();
                }

                toAdd.setPosition(_lastX, _lastY);
                toAdd.setOffset(0, 0);
                toAdd.setID(_current.getNextItemID());

                /*
                 * List<Item> items = new ArrayList<Item>(4);
                 * 
                 * items.add(_current.getName()); items.add(_current.getTitle());
                 * items.add(_prev); items.add(_next);
                 * 
                 * _current.getItems().removeAll(items);
                 * 
                 * //new system.agents.Format().process(_current);
                 * 
                 * //FrameUtils.Align(items, toAdd, true);
                 */
                _current.addItem(toAdd);
                // _current.addAllItems(items);

                FrameIO.SaveFrame(_current, false);

                _lastY = toAdd.getY() + toAdd.getBoundsHeight();
                _maxX = Math.max(toAdd.getX() + toAdd.getBoundsWidth(), _maxX);
        }

        public void addText(String toAdd) {
                /*
                 * Text text = _current.createNewText(); text.setText(toAdd);
                 * 
                 * addItem(text);
                 */
                addText(toAdd, null);
        }

        public void addText(String toAdd, Color c) {
                Text text = _current.createNewText();
                text.setText(toAdd);
                text.setColor(c);

                addItem(text);
        }

        /**
         * Returns the Frame name of the current (latest) frame in the message
         * frameset.
         * 
         * @return The Frame currently being used in the message frameset
         */
        public String getCurrent() {
                if (_current == null)
                        return null;

                return _current.getFrameName();
        }
}