fgnm
136 lines
4.2 KiB
Java
136 lines
4.2 KiB
Java
/*
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* ******************************************************************************
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* * Copyright 2015 See AUTHORS file.
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* *
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* * Licensed under the Apache License, Version 2.0 (the "License");
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* * you may not use this file except in compliance with the License.
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* * You may obtain a copy of the License at
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* *
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* * http://www.apache.org/licenses/LICENSE-2.0
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* *
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS,
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* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* * See the License for the specific language governing permissions and
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* * limitations under the License.
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* *****************************************************************************
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*/
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package games.rednblack.editor.proxy;
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import java.util.ArrayList;
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import games.rednblack.editor.HyperLap2DFacade;
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import games.rednblack.editor.controller.commands.EntityModifyRevertibleCommand;
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import games.rednblack.editor.controller.commands.RevertibleCommand;
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import games.rednblack.editor.controller.commands.TransactiveCommand;
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import games.rednblack.editor.view.menu.FileMenu;
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import org.puremvc.java.patterns.proxy.Proxy;
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public class CommandManager extends Proxy {
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private static final String TAG = CommandManager.class.getCanonicalName();
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public static final String NAME = TAG;
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private int cursor = -1;
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private int modifiedCursor = 0;
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final private ArrayList<RevertibleCommand> commands = new ArrayList<>();
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public CommandManager() {
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super(NAME);
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}
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@Override
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public void onRegister() {
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super.onRegister();
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facade = HyperLap2DFacade.getInstance();
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}
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public void addCommand(RevertibleCommand revertibleCommand) {
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//remove all commands after the cursor
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for(int i = commands.size()-1; i > cursor; i--) {
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commands.remove(i);
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}
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commands.add(revertibleCommand);
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cursor = commands.indexOf(revertibleCommand);
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if (revertibleCommand instanceof EntityModifyRevertibleCommand
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|| revertibleCommand instanceof TransactiveCommand) {
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modifiedCursor++;
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autoSave();
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}
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updateWindowTitle();
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}
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public void undoCommand() {
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if(cursor < 0){
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updateWindowTitle();
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return;
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}
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RevertibleCommand command = commands.get(cursor);
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if(command.isStateDone()) {
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command.callUndoAction();
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command.setStateDone(false);
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}
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cursor--;
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if (command instanceof EntityModifyRevertibleCommand
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|| command instanceof TransactiveCommand) {
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modifiedCursor--;
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autoSave();
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}
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updateWindowTitle();
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}
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public void saveEvent() {
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modifiedCursor = 0;
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updateWindowTitle();
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}
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public void updateWindowTitle() {
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ProjectManager projectManager = facade.retrieveProxy(ProjectManager.NAME);
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projectManager.appendSaveHintTitle(isModified());
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}
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public boolean isModified() {
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return Math.abs(modifiedCursor) > 0;
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}
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public void redoCommand() {
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if(cursor + 1 >= commands.size()) return;
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RevertibleCommand command = commands.get(cursor+1);
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if(!command.isStateDone()) {
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cursor++;
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command.callDoAction();
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command.setStateDone(true);
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if (command instanceof EntityModifyRevertibleCommand
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|| command instanceof TransactiveCommand) {
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modifiedCursor++;
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autoSave();
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}
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updateWindowTitle();
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}
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}
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public void clearHistory() {
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cursor = -1;
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commands.clear();
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modifiedCursor = 1;
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updateWindowTitle();
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}
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public void initHistory() {
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clearHistory();
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modifiedCursor = 0;
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updateWindowTitle();
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}
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private void autoSave() {
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SettingsManager settingsManager = facade.retrieveProxy(SettingsManager.NAME);
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if (settingsManager.editorConfigVO.autoSave)
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facade.sendNotification(FileMenu.SAVE_PROJECT, null, FileMenu.FILE_MENU);
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}
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}
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