com.intellij.uiDesigner.palette.EditGroupAction.java Source code

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Here is the source code for com.intellij.uiDesigner.palette.EditGroupAction.java

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/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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 com.intellij.uiDesigner.palette;

import com.intellij.CommonBundle;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.uiDesigner.UIDesignerBundle;

import java.util.ArrayList;

/**
 * @author yole
 */
public class EditGroupAction extends AnAction {
    public void actionPerformed(AnActionEvent e) {
        Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
        GroupItem groupToBeEdited = GroupItem.DATA_KEY.getData(e.getDataContext());
        if (groupToBeEdited == null || project == null)
            return;

        // Ask group name
        final String groupName = Messages.showInputDialog(project,
                UIDesignerBundle.message("edit.enter.group.name"), UIDesignerBundle.message("title.edit.group"),
                Messages.getQuestionIcon(), groupToBeEdited.getName(), null);
        if (groupName == null || groupName.equals(groupToBeEdited.getName())) {
            return;
        }

        Palette palette = Palette.getInstance(project);
        final ArrayList<GroupItem> groups = palette.getGroups();
        for (int i = groups.size() - 1; i >= 0; i--) {
            if (groupName.equals(groups.get(i).getName())) {
                Messages.showErrorDialog(project, UIDesignerBundle.message("error.group.name.unique"),
                        CommonBundle.getErrorTitle());
                return;
            }
        }

        groupToBeEdited.setName(groupName);
        palette.fireGroupsChanged();
    }

    @Override
    public void update(AnActionEvent e) {
        Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
        GroupItem groupItem = GroupItem.DATA_KEY.getData(e.getDataContext());
        e.getPresentation().setEnabled(project != null && groupItem != null && !groupItem.isReadOnly());
    }
}