/home/leaf/crossfire/jxclient/trunk/gui/src/main/java/com/realtime/crossfire/jxclient/gui/item/GUIItemShortcut.java

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/*
 * This file is part of JXClient, the Fullscreen Java Crossfire Client.
 *
 * JXClient is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * JXClient is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with JXClient; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Copyright (C) 2005-2008 Yann Chachkoff.
 * Copyright (C) 2006-2011 Andreas Kirschbaum.
 */

package com.realtime.crossfire.jxclient.gui.item;

import com.realtime.crossfire.jxclient.faces.Face;
import com.realtime.crossfire.jxclient.faces.FacesManager;
import com.realtime.crossfire.jxclient.faces.FacesManagerListener;
import com.realtime.crossfire.jxclient.gui.gui.GUIElementListener;
import com.realtime.crossfire.jxclient.gui.gui.TooltipManager;
import com.realtime.crossfire.jxclient.gui.misc.Modifiers;
import com.realtime.crossfire.jxclient.shortcuts.Shortcut;
import com.realtime.crossfire.jxclient.shortcuts.ShortcutCommand;
import com.realtime.crossfire.jxclient.shortcuts.ShortcutListener;
import com.realtime.crossfire.jxclient.shortcuts.ShortcutSpell;
import com.realtime.crossfire.jxclient.shortcuts.ShortcutVisitor;
import com.realtime.crossfire.jxclient.shortcuts.Shortcuts;
import com.realtime.crossfire.jxclient.shortcuts.ShortcutsListener;
import com.realtime.crossfire.jxclient.spells.CurrentSpellManager;
import com.realtime.crossfire.jxclient.spells.Spell;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class GUIItemShortcut extends GUIItem {

    private static final long serialVersionUID = 1;

    @NotNull
    private static final Color BACKGROUND_COLOR = new Color(0, 0, 0, 0.0f);

    @NotNull
    private static final String DEFAULT_TOOLTIP_TEXT = "(empty)";

    @NotNull
    private final Shortcuts shortcuts;

    @NotNull
    private final FacesManager facesManager;

    @Nullable
    private final Color castColor;

    @Nullable
    private final Image castImage;

    @Nullable
    private final Color invokeColor;

    @Nullable
    private final Image invokeImage;

    @NotNull
    private final Font font;

    private final int index;

    @NotNull
    private final CurrentSpellManager currentSpellManager;

    @Nullable
    private Shortcut shortcut = null;

    @NotNull
    private final ShortcutsListener shortcutsListener = new ShortcutsListener() {

        @Override
        public void shortcutAdded(final int index, @NotNull final Shortcut shortcut) {
            if (index == GUIItemShortcut.this.index) {
                setShortcut(shortcut);
            }
        }

        @Override
        public void shortcutRemoved(final int index, @NotNull final Shortcut shortcut) {
            if (index == GUIItemShortcut.this.index) {
                setShortcut(null);
            }
        }
    };

    @NotNull
    private final ShortcutListener shortcutListener = new ShortcutListener() {

        @Override
        public void shortcutModified() {
            setChanged();
            updateTooltipText();
        }
    };

    @NotNull
    private final FacesManagerListener facesManagerListener = new FacesManagerListener() {

        @Override
        public void faceUpdated(@NotNull final Face face) {
            if (shortcut != null && shortcut.displaysFace(face)) {
                setChanged();
            }
        }
    };

    public GUIItemShortcut(@NotNull final TooltipManager tooltipManager, @NotNull final GUIElementListener elementListener, @NotNull final String name, @Nullable final Color castColor, @Nullable final Image castImage, @Nullable final Color invokeColor, @Nullable final Image invokeImage, final int index, @NotNull final FacesManager facesManager, @NotNull final Shortcuts shortcuts, @NotNull final Font font, @NotNull final CurrentSpellManager currentSpellManager) {
        super(tooltipManager, elementListener, name);
        this.shortcuts = shortcuts;
        this.facesManager = facesManager;
        this.castColor = castColor;
        this.castImage = castImage;
        this.invokeColor = invokeColor;
        this.invokeImage = invokeImage;
        this.font = font;
        this.index = index;
        this.currentSpellManager = currentSpellManager;
        this.shortcuts.addShortcutsListener(shortcutsListener);
        this.facesManager.addFacesManagerListener(facesManagerListener);
        updateTooltipText();
    }

    @Override
    public void dispose() {
        super.dispose();
        facesManager.removeFacesManagerListener(facesManagerListener);
        shortcuts.removeShortcutsListener(shortcutsListener);
        setShortcut(null);
    }

    private void setShortcut(@Nullable final Shortcut shortcut) {
        if (this.shortcut == shortcut) {
            return;
        }

        if (this.shortcut != null) {
            this.shortcut.removeShortcutListener(shortcutListener);
        }
        this.shortcut = shortcut;
        if (this.shortcut != null) {
            this.shortcut.addShortcutListener(shortcutListener);
        }
        setChanged();

        updateTooltipText();
    }

    @Override
    public void button1Clicked(final int modifiers) {
        switch (modifiers&Modifiers.MASK) {
        case Modifiers.NONE:
            if (shortcut != null) {
                shortcut.execute();
            }
            break;
        }
    }

    @Override
    public void button2Clicked(final int modifiers) {
        switch (modifiers&Modifiers.MASK) {
        case Modifiers.NONE:
            if (shortcut != null && shortcut instanceof ShortcutSpell) {
                final ShortcutSpell shortcutSpell = (ShortcutSpell)shortcut;
                shortcutSpell.setCast(!shortcutSpell.isCast());
            }
            break;
        }
    }

    @Override
    public void button3Clicked(final int modifiers) {
        switch (modifiers&Modifiers.MASK) {
        case Modifiers.NONE:
            final Spell spell = currentSpellManager.getCurrentSpell();
            if (spell == null) {
                return;
            }

            shortcuts.setSpellShortcut(index, spell, true);
            break;
        }
    }

    @Override
    public void paintComponent(@NotNull final Graphics g) {
        super.paintComponent(g);

        g.setColor(BACKGROUND_COLOR);
        g.fillRect(0, 0, getWidth(), getHeight());

        final Shortcut tmpShortcut = shortcut;
        if (tmpShortcut == null) {
            return;
        }

        final ShortcutVisitor visitor = new ShortcutVisitor() {

            @Override
            public void visit(@NotNull final ShortcutCommand shortcutCommand) {
                // XXX: todo
            }

            @Override
            public void visit(@NotNull final ShortcutSpell shortcutSpell) {
                final Color color = shortcutSpell.isCast() ? castColor : invokeColor;
                if (color != null) {
                    g.setColor(color);
                    g.fillRect(0, 0, getWidth(), getHeight());
                }
                g.drawImage(facesManager.getOriginalImageIcon(shortcutSpell.getSpell().getFaceNum(), null).getImage(), 0, 0, null);
                final Image image = shortcutSpell.isCast() ? castImage : invokeImage;
                if (image != null) {
                    g.drawImage(image, 0, 0, null);
                }
            }

        };
        tmpShortcut.visit(visitor);
        g.setFont(font);
        g.setColor(Color.YELLOW);
        g.drawString("F"+(index+1), 1, 1+font.getSize()); // XXX: define in skin
    }

    @NotNull
    @Override
    public Dimension getPreferredSize() {
        return getMinimumSizeInt();
    }

    @NotNull
    @Override
    public Dimension getMinimumSize() {
        return getMinimumSizeInt();
    }

    @NotNull
    private static Dimension getMinimumSizeInt() {
        return new Dimension(32, 32);
    }

    @Override
    public boolean canScroll(final int distance) {
        return false;
    }

    @Override
    public void scroll(final int distance) {
    }

    @Override
    public void resetScroll() {
    }

    private void updateTooltipText() {
        setTooltipText(shortcut == null ? DEFAULT_TOOLTIP_TEXT : shortcut.getTooltipText());
    }

}

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