/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.client.gui.action;
import java.awt.event.ActionEvent;
import net.sf.freecol.client.FreeColClient;
import net.sf.freecol.client.gui.GUI;
/**
* An action for zooming in on the main map.
*/
public class ZoomInAction extends FreeColAction {
public static final String id = "zoomInAction";
/**
* Creates a new <code>ZoomInAction</code>.
*
* @param freeColClient The main controller object for the client.
* @param gui
*/
ZoomInAction(FreeColClient freeColClient, GUI gui) {
super(freeColClient, gui, id);
}
/**
* Checks if this action should be enabled.
*
* @return <code>true</code> if the mapboard is selected
* and can be zoomed onto.
*/
@Override
protected boolean shouldBeEnabled() {
if (!super.shouldBeEnabled()) {
return false;
}
if (!gui.isMapboardActionsEnabled())
return false;
float oldScaling = gui.getMapScale();
return oldScaling < 1.0;
}
/**
* Applies this action.
*
* @param e The <code>ActionEvent</code>.
*/
public void actionPerformed(ActionEvent e) {
gui.scaleMap(1/4f);
update();
freeColClient.getActionManager().getFreeColAction(ZoomOutAction.id).update();
}
}