com.intellij.uiDesigner.actions.UngroupRowsColumnsAction.java Source code

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Here is the source code for com.intellij.uiDesigner.actions.UngroupRowsColumnsAction.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.actions;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.uiDesigner.CaptionSelection;
import com.intellij.uiDesigner.UIDesignerBundle;
import com.jgoodies.forms.layout.FormLayout;

import java.util.ArrayList;
import java.util.List;

/**
 * @author yole
 */
public class UngroupRowsColumnsAction extends RowColumnAction {
    public UngroupRowsColumnsAction() {
        super(UIDesignerBundle.message("action.ungroup.columns"), null,
                UIDesignerBundle.message("action.ungroup.rows"), null);
    }

    @Override
    public void update(final AnActionEvent e) {
        super.update(e);
        CaptionSelection selection = CaptionSelection.DATA_KEY.getData(e.getDataContext());
        if (selection != null) {
            e.getPresentation()
                    .setEnabled(selection.getContainer() != null
                            && selection.getContainer().getLayout() instanceof FormLayout
                            && GroupRowsColumnsAction.isGrouped(selection));
        }
    }

    protected void actionPerformed(CaptionSelection selection) {
        FormLayout layout = (FormLayout) selection.getContainer().getLayout();
        int[][] oldGroups = selection.isRow() ? layout.getRowGroups() : layout.getColumnGroups();
        List<int[]> newGroups = new ArrayList<int[]>();
        int[] selInts = selection.getSelection();
        for (int[] group : oldGroups) {
            if (!GroupRowsColumnsAction.intersect(group, selInts)) {
                newGroups.add(group);
            }
        }
        int[][] newGroupArray = newGroups.toArray(new int[newGroups.size()][]);
        if (selection.isRow()) {
            layout.setRowGroups(newGroupArray);
        } else {
            layout.setColumnGroups(newGroupArray);
        }
    }
}