ghidra-master/Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/format/actions/RemoveRowAction.java
/* ###
 * IP: GHIDRA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ghidra.app.util.viewer.format.actions;

import ghidra.app.util.HelpTopics;
import ghidra.app.util.viewer.format.*;
import ghidra.util.HelpLocation;
import docking.ActionContext;
import docking.action.DockingAction;
import docking.action.MenuData;

/**
 * Action for removing empty rows.
 */
public class RemoveRowAction extends DockingAction {
	private FieldHeaderLocation loc;
	private FieldHeader panel;

    public RemoveRowAction(String owner, FieldHeader panel) {
        super("Remove Row", owner, false);
        this.panel = panel;
        setPopupMenuData( new MenuData( new String[] {"Remove Row"}, null, "field" ) );
        setEnabled(true);
		setHelpLocation(new HelpLocation(HelpTopics.CODE_BROWSER, "Remove Row"));
    }

    @Override
    public boolean isEnabledForContext(ActionContext context) {
        Object contextObject = context.getContextObject();
		if (contextObject instanceof FieldHeaderLocation) {
			loc = (FieldHeaderLocation)contextObject;
			int row = loc.getRow();
			FieldFormatModel model = loc.getModel();
			return row < model.getNumRows() && (model.getNumFactorys(row) == 0);
		}
		return false;
	}

    @Override
    public void actionPerformed(ActionContext context) {
    	panel.setTabLock( true );
		loc.getModel().removeRow(loc.getRow());		
		panel.getHeaderTab().update();
    }
}

