TileSelector.java

package tk.amberide.ide.gui.editor.map.res;

import tk.amberide.Amber;
import tk.amberide.ide.data.res.Resource;
import tk.amberide.ide.data.res.Tileset;
import tk.amberide.ide.data.res.Tileset.TileSprite;
import tk.amberide.ide.gui.editor.map.MapContext;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.HashMap;
import java.util.Map;

/**
 * @author Tudor
 */
public class TileSelector extends javax.swing.JPanel {

    Map<String, TileSheetRenderer> renderPanels = new HashMap<String, TileSheetRenderer>();
    protected Tileset.TileSprite[][] selection;
    protected MapContext context;

    /**
     * Creates new form TileSelector
     */
    public TileSelector(MapContext context) {
        initComponents();
        this.context = context;
        tilesheetsComboBox.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                setSelected((String) e.getItem());
            }
        });
        tileScroller.getHorizontalScrollBar().setUnitIncrement(16);
        tileScroller.getVerticalScrollBar().setUnitIncrement(16);
    }

    /**
     * Synchronizes this TileSelector with the imported TileSheets
     */
    public void synchronize() {
        ((DefaultComboBoxModel) tilesheetsComboBox.getModel()).removeAllElements();
        for (Resource<Tileset> set : Amber.getResourceManager().getTilesets()) {
            addTileset(set.getName(), set.get());
        }
    }

    /**
     * Loads the selector for the given TileSheet identifier
     *
     * @param name the identifier for the sheet to be loaded
     */
    public void setSelected(String name) {
        tileScroller.getViewport().removeAll();
        TileSheetRenderer renderer = renderPanels.get(name);
        if (renderer != null) {
            System.out.println("Adding renderer");
            JPanel content = new JPanel(new BorderLayout());
            content.add(renderer);
            tileScroller.getViewport().add(content); // Wrap in JPanel so we can use our own sizes           
        } else {
            System.out.println("Renderer is null!");
        }
    }

    /**
     * Imports a TileSheet under a given identifier
     *
     * @param name the identifier
     * @param tiles the sheet to add
     */
    public void addTileset(String name, Tileset tiles) {
        tilesheetsComboBox.addItem(name);
        renderPanels.put(name, new TileSheetRenderer(tiles, this));
        if (renderPanels.size() == 1) {
            setSelected(name);
        }
    }

    /**
     * Removes a TileSheet by its identifier
     *
     * @param name the identifier
     */
    public void removeTileset(String name) {
        tilesheetsComboBox.removeItem(name);
        renderPanels.remove(name);
    }

    /**
     * Returns a Tile[][] representation of the current tile selection
     *
     * @return the selection
     */
    public TileSprite[][] getSelection() {
        return selection;
    }

    /**
     * Sets the current selection
     *
     * @param selection the selection to set
     */
    public void setSelection(TileSprite[][] selection) {
        context.tileSelection = this.selection = selection;
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        tilesheetsComboBox = new javax.swing.JComboBox();
        tileScroller = new javax.swing.JScrollPane();

        addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusGained(java.awt.event.FocusEvent evt) {
                formFocusGained(evt);
            }
        });
        setLayout(new java.awt.GridBagLayout());

        tilesheetsComboBox.setModel(new DefaultComboBoxModel());
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.ipadx = 307;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        add(tilesheetsComboBox, gridBagConstraints);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.ipadx = 312;
        gridBagConstraints.ipady = 251;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(6, 0, 0, 0);
        add(tileScroller, gridBagConstraints);
    }// </editor-fold>//GEN-END:initComponents

    private void formFocusGained(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_formFocusGained
        if (Amber.getResourceManager().getTilesets().size() != tilesheetsComboBox.getModel().getSize()) {
            synchronize();
        }
    }//GEN-LAST:event_formFocusGained
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JScrollPane tileScroller;
    javax.swing.JComboBox tilesheetsComboBox;
    // End of variables declaration//GEN-END:variables
}