/*
 * SoapUI, Copyright (C) 2004-2016 SmartBear Software 
 *
 * Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent 
 * versions of the EUPL (the "Licence"); 
 * You may not use this work except in compliance with the Licence. 
 * You may obtain a copy of the Licence at: 
 * 
 * http://ec.europa.eu/idabc/eupl 
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence is 
 * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the Licence for the specific language governing permissions and limitations 
 * under the Licence. 
 */

package com.eviware.soapui.support.action.swing;

import com.eviware.soapui.support.actions.MarkerAction;
import com.eviware.soapui.support.components.JXToolBar;
import com.jgoodies.forms.builder.ButtonBarBuilder;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JMenu;
import javax.swing.JPopupMenu;
import java.awt.event.ActionEvent;

/**
 * ActionList-related utilities
 *
 * @author Ole.Matzura
 */

public class ActionSupport {
    public static JPopupMenu buildPopup(ActionList actions) {
        if (actions == null || actions.getActionCount() == 0) {
            return null;
        }

        JPopupMenu popup = new JPopupMenu(actions.getLabel());

        return ActionSupport.addActions(actions, popup);
    }

    public static JMenu buildMenu(ActionList actions) {
        if (actions == null || actions.getActionCount() == 0) {
            return null;
        }

        JMenu menu = new JMenu(actions.getLabel());

        return ActionSupport.addActions(actions, menu);
    }

    public static JPopupMenu addActions(ActionList actions, JPopupMenu popup) {
        if (actions == null || actions.getActionCount() == 0) {
            return popup;
        }

        for (int i = 0; i < actions.getActionCount(); i++) {
            Action action = actions.getActionAt(i);
            if (action instanceof MarkerAction) {
                continue;
            }

            if (action == ActionSupport.SEPARATOR_ACTION) {
                popup.addSeparator();
            } else if (action instanceof ActionSupport.ActionListAction) {
                ActionList actionList = ((ActionListAction) action).getActionList();
                if (actionList == null || actionList.getActionCount() == 0) {
                    System.err.println("null/empty ActionList in action " + action.getValue(Action.NAME));
                } else {
                    popup.add(buildMenu(actionList));
                }
            } else {
                popup.add(action);
            }
        }

        return popup;
    }

    public static JMenu addActions(ActionList actions, JMenu menu) {
        if (actions == null || menu == null) {
            return menu;
        }

        for (int i = 0; i < actions.getActionCount(); i++) {
            Action action = actions.getActionAt(i);

            if (action instanceof MarkerAction) {
                continue;
            }

            if (action == ActionSupport.SEPARATOR_ACTION) {
                menu.addSeparator();
            } else if (action instanceof ActionSupport.ActionListAction) {
                JMenu subMenu = buildMenu(((ActionListAction) action).getActionList());
                if (subMenu == null) {
                    subMenu = new JMenu(((ActionListAction) action).getActionList().getLabel());
                }
                menu.add(subMenu);
            } else if (action != null) {
                menu.add(action);
            }
        }

        return menu;
    }

    public final static Action SEPARATOR_ACTION = new AbstractAction() {
        public void actionPerformed(ActionEvent e) {
        }
    };

    public static class ActionListAction extends AbstractAction {
        private final ActionList actionList;

        public ActionListAction(ActionList actionList) {
            this.actionList = actionList;
        }

        public ActionList getActionList() {
            return actionList;
        }

        public void actionPerformed(ActionEvent e) {
            Action defaultAction = actionList.getDefaultAction();
            if (defaultAction != null) {
                defaultAction.actionPerformed(e);
            }
        }
    }

    ;

    public static JPopupMenu insertActions(ActionList actions, JPopupMenu popup, int index) {
        for (int i = 0; i < actions.getActionCount(); i++) {
            Action action = actions.getActionAt(i);
            if (action instanceof MarkerAction) {
                continue;
            }

            if (action == ActionSupport.SEPARATOR_ACTION) {
                popup.insert(new JPopupMenu.Separator(), index + i);
            } else if (action instanceof ActionSupport.ActionListAction) {
                popup.insert(buildMenu(((ActionSupport.ActionListAction) action).getActionList()), index + i);
            } else {
                popup.insert(action, index + i);
            }
        }

        return popup;
    }

    public static void addActions(ActionList actionList, ButtonBarBuilder builder) {
        for (int c = 0; c < actionList.getActionCount(); c++) {
            Action action = actionList.getActionAt(c);
            if (action == SEPARATOR_ACTION) {
                builder.addUnrelatedGap();
            } else {
                if (c > 0) {
                    builder.addRelatedGap();
                }

                builder.addFixed(new JButton(action));
            }
        }
    }

    public static void addActions(ActionList actionList, JXToolBar toolbar) {
        for (int c = 0; c < actionList.getActionCount(); c++) {
            Action action = actionList.getActionAt(c);
            if (action == SEPARATOR_ACTION) {
                toolbar.addUnrelatedGap();
            } else {
                if (c > 0) {
                    toolbar.addRelatedGap();
                }

                toolbar.addFixed(new JButton(action));
            }
        }
    }
}