plugins/ui-designer/src/com/intellij/uiDesigner/actions/UngroupRowsColumnsAction.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.intellij.uiDesigner.actions;
  18
  19 import com.intellij.uiDesigner.CaptionSelection;
  20 import com.intellij.uiDesigner.UIDesignerBundle;
  21 import com.intellij.openapi.actionSystem.AnActionEvent;
  22 import com.jgoodies.forms.layout.FormLayout;
  23
  24 import java.util.List;
  25 import java.util.ArrayList;
  26
  27 /**
  28  * @author yole
  29  */
  30 public class UngroupRowsColumnsAction extends RowColumnAction {
  31   public UngroupRowsColumnsAction() {
  32     super(UIDesignerBundle.message("action.ungroup.columns"), null, UIDesignerBundle.message("action.ungroup.rows"), null);
  33   }
  34
  35   @Override
  36   public void update(final AnActionEvent e) {
  37     super.update(e);
  38     CaptionSelection selection = e.getData(CaptionSelection.DATA_KEY);
  39     if (selection != null) {
  40       e.getPresentation().setEnabled(selection.getContainer() != null &&
  41         selection.getContainer().getLayout() instanceof FormLayout &&
  42         GroupRowsColumnsAction.isGrouped(selection));
  43     }
  44   }
  45
  46   protected void actionPerformed(CaptionSelection selection) {
  47     FormLayout layout = (FormLayout) selection.getContainer().getLayout();
  48     int[][] oldGroups = selection.isRow() ? layout.getRowGroups() : layout.getColumnGroups();
  49     List<int[]> newGroups = new ArrayList<int[]>();
  50     int[] selInts = selection.getSelection();
  51     for(int[] group: oldGroups) {
  52       if (!GroupRowsColumnsAction.intersect(group, selInts)) {
  53         newGroups.add(group);
  54       }
  55     }
  56     int[][] newGroupArray = newGroups.toArray(new int[newGroups.size()][]);
  57     if (selection.isRow()) {
  58       layout.setRowGroups(newGroupArray);
  59     }
  60     else {
  61       layout.setColumnGroups(newGroupArray);
  62     }
  63   }
  64 }